new files in libtiff 3.6.1

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30665 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/tiff/Makefile.lcc b/src/tiff/Makefile.lcc
new file mode 100644 (file)
index 0000000..0e763eb
--- /dev/null
+++ b/src/tiff/Makefile.lcc
@@ -0,0 +1,129 @@
+# $Header$
+#
+# Tag Image File Format Library
+#
+# Copyright (c) 1988-1997 Sam Leffler
+# Copyright (c) 1991-1997 Silicon Graphics, Inc.
+# 
+# Permission to use, copy, modify, distribute, and sell this software and 
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Stanford and Silicon Graphics.
+# 
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+# 
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+# OF THIS SOFTWARE.
+#
+DESTDIR=.
+#
+INSTALL=install
+NULL=
+
+IPATH= -I. -I../jpeg
+CONF_LIBRARY=\
+       ${NULL}
+COPTS= -Oloop -cwagshf -d1 -b0 -v -DNDEBUG -rr -j135i
+CFLAGS=        ${COPTS} ${IPATH} ${CONF_LIBRARY}
+#
+INCS=  tiff.h tiffio.h
+SRCS=  tif_fax3.c \
+       tif_fax4.c \
+       tif_aux.c \
+       tif_atari.c \
+       tif_ccittrle.c \
+       tif_close.c \
+       tif_compress.c \
+       tif_dir.c \
+       tif_dirinfo.c \
+       tif_dirread.c \
+       tif_dirwrite.c \
+       tif_dumpmode.c \
+       tif_error.c \
+       tif_getimage.c \
+       tif_jpeg.c \
+       tif_flush.c \
+       tif_lzw.c \
+       tif_next.c \
+       tif_open.c \
+       tif_packbits.c \
+       tif_print.c \
+       tif_read.c \
+       tif_swab.c \
+       tif_strip.c \
+       tif_thunder.c \
+       tif_tile.c \
+       tif_version.c \
+       tif_warning.c \
+       tif_write.c \
+       ${NULL}
+OBJS=  tif_fax3.o \
+       tif_fax4.o \
+       tif_aux.o \
+       tif_atari.o \
+       tif_ccittrle.o \
+       tif_close.o \
+       tif_compress.o \
+       tif_dir.o \
+       tif_dirinfo.o \
+       tif_dirread.o \
+       tif_dirwrite.o \
+       tif_dumpmode.o \
+       tif_error.o \
+       tif_getimage.o \
+       tif_jpeg.o \
+       tif_flush.o \
+       tif_lzw.o \
+       tif_next.o \
+       tif_open.o \
+       tif_packbits.o \
+       tif_print.o \
+       tif_read.o \
+       tif_swab.o \
+       tif_strip.o \
+       tif_thunder.o \
+       tif_tile.o \
+       tif_version.o \
+       tif_warning.o \
+       tif_write.o \
+       ${NULL}
+ALL=   tiffrnb.lib
+
+all:   ${ALL}
+
+${ALL}:        ${OBJS}
+       ${AR} ${ARFLAGS} $@ r $<
+
+${OBJS}: tiffio.h tiff.h tiffcomp.h tiffiop.h tiffconf.h
+tif_fax3.o: tif_fax3.c g3states.h t4.h tif_fax3.h
+
+g3states.h: mkg3states.c t4.h
+       ${CC} -o mkg3states.ttp ${CFLAGS} mkg3states.c
+       ./mkg3states -c > g3states.h
+
+install: all installh
+       -for i in ${ALL}; do \
+       ${INSTALL} -c -m 644 $$i ${DESTDIR}/lib/$$i; \
+       done
+
+installh: ${INCS}
+       -for i in ${INCS}; do \
+               h=`basename $$i`; \
+               cmp -s $$i ${DESTDIR}/include/$$h || \
+                 ${INSTALL} -c -m 444 $$i ${DESTDIR}/include/$$h; \
+       done
+
+clean:
+       rm -f ${ALL} ${OBJS} mkg3states.ttp mkg3states.o g3states.h
+
+tags:  ${SRCS}
+       ${CTAGS} ${SRCS}

diff --git a/src/tiff/fax3sm_winnt.c b/src/tiff/fax3sm_winnt.c
new file mode 100644 (file)
index 0000000..564c9aa
--- /dev/null
+++ b/src/tiff/fax3sm_winnt.c
@@ -0,0 +1,1046 @@
+/* WARNING, this file was automatically generated by the
+    mkg3states program */
+#include "tiff.h"
+#include "tif_fax3.h"
+ const  TIFFFaxTabEnt TIFFFaxMainTable[128] = {
+12,7,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,1,4,0,3,1,0,5,3,1,3,1,0,
+2,3,0,3,1,0,4,3,1,3,1,0,5,6,2,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,
+1,4,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,5,7,3,3,1,0,5,3,1,3,1,0,
+2,3,0,3,1,0,4,3,1,3,1,0,1,4,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,
+4,6,2,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,1,4,0,3,1,0,5,3,1,3,1,0,
+2,3,0,3,1,0,4,3,1,3,1,0,6,7,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,
+1,4,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,5,6,2,3,1,0,5,3,1,3,1,0,
+2,3,0,3,1,0,4,3,1,3,1,0,1,4,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,
+4,7,3,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,1,4,0,3,1,0,5,3,1,3,1,0,
+2,3,0,3,1,0,4,3,1,3,1,0,4,6,2,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0,
+1,4,0,3,1,0,5,3,1,3,1,0,2,3,0,3,1,0,4,3,1,3,1,0
+};
+const TIFFFaxTabEnt TIFFFaxWhiteTable[4096] = {
+12,11,0,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,
+7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,7,8,39,7,6,16,9,8,576,7,4,6,
+7,7,19,7,5,8,7,8,55,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,45,7,4,3,7,5,11,7,4,5,
+7,8,53,7,5,9,9,8,448,7,4,6,7,8,35,9,5,128,7,8,51,7,6,15,7,8,63,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,9,9,1472,7,4,5,7,8,43,7,6,17,9,9,1216,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,29,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,8,33,9,5,128,7,8,49,7,6,14,7,8,61,7,4,4,7,4,2,7,4,7,7,8,47,7,4,3,7,8,59,7,4,5,
+7,8,41,7,6,16,9,9,960,7,4,6,7,8,31,7,5,8,7,8,57,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,9,704,7,4,6,7,8,37,9,5,128,7,7,25,7,6,15,
+9,8,320,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,11,11,1792,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,
+7,7,23,7,4,3,7,7,27,7,4,5,7,8,40,7,6,16,9,9,832,7,4,6,7,7,19,7,5,8,7,8,56,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,46,7,4,3,7,5,11,7,4,5,7,8,54,7,5,9,9,8,512,7,4,6,
+7,8,36,9,5,128,7,8,52,7,6,15,7,8,0,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1600,7,4,5,
+7,8,44,7,6,17,9,9,1344,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,30,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,8,34,9,5,128,7,8,50,7,6,14,
+7,8,62,7,4,4,7,4,2,7,4,7,7,8,48,7,4,3,7,8,60,7,4,5,7,8,42,7,6,16,9,9,1088,7,4,6,
+7,8,32,7,5,8,7,8,58,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,
+7,7,26,7,5,9,9,8,640,7,4,6,7,8,38,9,5,128,7,7,25,7,6,15,9,8,384,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,0,0,0,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,
+7,8,39,7,6,16,9,8,576,7,4,6,7,7,19,7,5,8,7,8,55,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,45,7,4,3,7,5,11,7,4,5,7,8,53,7,5,9,9,8,448,7,4,6,7,8,35,9,5,128,7,8,51,7,6,15,
+7,8,63,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1536,7,4,5,7,8,43,7,6,17,9,9,1280,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,29,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,8,33,9,5,128,7,8,49,7,6,14,7,8,61,7,4,4,7,4,2,7,4,7,
+7,8,47,7,4,3,7,8,59,7,4,5,7,8,41,7,6,16,9,9,1024,7,4,6,7,8,31,7,5,8,7,8,57,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,9,768,7,4,6,
+7,8,37,9,5,128,7,7,25,7,6,15,9,8,320,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,
+7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+11,11,1856,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,
+7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,7,8,40,7,6,16,9,9,896,7,4,6,
+7,7,19,7,5,8,7,8,56,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,46,7,4,3,7,5,11,7,4,5,
+7,8,54,7,5,9,9,8,512,7,4,6,7,8,36,9,5,128,7,8,52,7,6,15,7,8,0,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,9,9,1728,7,4,5,7,8,44,7,6,17,9,9,1408,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,30,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,8,34,9,5,128,7,8,50,7,6,14,7,8,62,7,4,4,7,4,2,7,4,7,7,8,48,7,4,3,7,8,60,7,4,5,
+7,8,42,7,6,16,9,9,1152,7,4,6,7,8,32,7,5,8,7,8,58,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,8,640,7,4,6,7,8,38,9,5,128,7,7,25,7,6,15,
+9,8,384,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,0,0,0,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,
+7,7,23,7,4,3,7,7,27,7,4,5,7,8,39,7,6,16,9,8,576,7,4,6,7,7,19,7,5,8,7,8,55,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,45,7,4,3,7,5,11,7,4,5,7,8,53,7,5,9,9,8,448,7,4,6,
+7,8,35,9,5,128,7,8,51,7,6,15,7,8,63,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1472,7,4,5,
+7,8,43,7,6,17,9,9,1216,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,29,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,8,33,9,5,128,7,8,49,7,6,14,
+7,8,61,7,4,4,7,4,2,7,4,7,7,8,47,7,4,3,7,8,59,7,4,5,7,8,41,7,6,16,9,9,960,7,4,6,
+7,8,31,7,5,8,7,8,57,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,
+7,7,26,7,5,9,9,9,704,7,4,6,7,8,37,9,5,128,7,7,25,7,6,15,9,8,320,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,11,12,2112,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,
+7,8,40,7,6,16,9,9,832,7,4,6,7,7,19,7,5,8,7,8,56,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,46,7,4,3,7,5,11,7,4,5,7,8,54,7,5,9,9,8,512,7,4,6,7,8,36,9,5,128,7,8,52,7,6,15,
+7,8,0,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1600,7,4,5,7,8,44,7,6,17,9,9,1344,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,30,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,8,34,9,5,128,7,8,50,7,6,14,7,8,62,7,4,4,7,4,2,7,4,7,
+7,8,48,7,4,3,7,8,60,7,4,5,7,8,42,7,6,16,9,9,1088,7,4,6,7,8,32,7,5,8,7,8,58,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,8,640,7,4,6,
+7,8,38,9,5,128,7,7,25,7,6,15,9,8,384,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,
+7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+0,0,0,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,
+7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,7,8,39,7,6,16,9,8,576,7,4,6,
+7,7,19,7,5,8,7,8,55,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,45,7,4,3,7,5,11,7,4,5,
+7,8,53,7,5,9,9,8,448,7,4,6,7,8,35,9,5,128,7,8,51,7,6,15,7,8,63,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,9,9,1536,7,4,5,7,8,43,7,6,17,9,9,1280,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,29,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,8,33,9,5,128,7,8,49,7,6,14,7,8,61,7,4,4,7,4,2,7,4,7,7,8,47,7,4,3,7,8,59,7,4,5,
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+7,6,12,7,5,9,9,6,1664,7,4,6,7,8,33,9,5,128,7,8,49,7,6,14,7,8,61,7,4,4,7,4,2,7,4,7,
+7,8,47,7,4,3,7,8,59,7,4,5,7,8,41,7,6,16,9,9,1024,7,4,6,7,8,31,7,5,8,7,8,57,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,9,768,7,4,6,
+7,8,37,9,5,128,7,7,25,7,6,15,9,8,320,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,
+7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+11,11,1920,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,
+7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,7,8,40,7,6,16,9,9,896,7,4,6,
+7,7,19,7,5,8,7,8,56,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,46,7,4,3,7,5,11,7,4,5,
+7,8,54,7,5,9,9,8,512,7,4,6,7,8,36,9,5,128,7,8,52,7,6,15,7,8,0,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,9,9,1728,7,4,5,7,8,44,7,6,17,9,9,1408,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,30,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,8,34,9,5,128,7,8,50,7,6,14,7,8,62,7,4,4,7,4,2,7,4,7,7,8,48,7,4,3,7,8,60,7,4,5,
+7,8,42,7,6,16,9,9,1152,7,4,6,7,8,32,7,5,8,7,8,58,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,8,640,7,4,6,7,8,38,9,5,128,7,7,25,7,6,15,
+9,8,384,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,0,0,0,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,
+7,7,23,7,4,3,7,7,27,7,4,5,7,8,39,7,6,16,9,8,576,7,4,6,7,7,19,7,5,8,7,8,55,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,45,7,4,3,7,5,11,7,4,5,7,8,53,7,5,9,9,8,448,7,4,6,
+7,8,35,9,5,128,7,8,51,7,6,15,7,8,63,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1472,7,4,5,
+7,8,43,7,6,17,9,9,1216,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,29,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,8,33,9,5,128,7,8,49,7,6,14,
+7,8,61,7,4,4,7,4,2,7,4,7,7,8,47,7,4,3,7,8,59,7,4,5,7,8,41,7,6,16,9,9,960,7,4,6,
+7,8,31,7,5,8,7,8,57,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,
+7,7,26,7,5,9,9,9,704,7,4,6,7,8,37,9,5,128,7,7,25,7,6,15,9,8,320,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,11,12,2304,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,
+7,8,40,7,6,16,9,9,832,7,4,6,7,7,19,7,5,8,7,8,56,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,46,7,4,3,7,5,11,7,4,5,7,8,54,7,5,9,9,8,512,7,4,6,7,8,36,9,5,128,7,8,52,7,6,15,
+7,8,0,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1600,7,4,5,7,8,44,7,6,17,9,9,1344,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,30,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,8,34,9,5,128,7,8,50,7,6,14,7,8,62,7,4,4,7,4,2,7,4,7,
+7,8,48,7,4,3,7,8,60,7,4,5,7,8,42,7,6,16,9,9,1088,7,4,6,7,8,32,7,5,8,7,8,58,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,8,640,7,4,6,
+7,8,38,9,5,128,7,7,25,7,6,15,9,8,384,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,
+7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+0,0,0,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,
+7,7,28,7,4,4,7,4,2,7,4,7,7,7,23,7,4,3,7,7,27,7,4,5,7,8,39,7,6,16,9,8,576,7,4,6,
+7,7,19,7,5,8,7,8,55,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,8,45,7,4,3,7,5,11,7,4,5,
+7,8,53,7,5,9,9,8,448,7,4,6,7,8,35,9,5,128,7,8,51,7,6,15,7,8,63,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,9,9,1536,7,4,5,7,8,43,7,6,17,9,9,1280,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,29,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,
+7,8,33,9,5,128,7,8,49,7,6,14,7,8,61,7,4,4,7,4,2,7,4,7,7,8,47,7,4,3,7,8,59,7,4,5,
+7,8,41,7,6,16,9,9,1024,7,4,6,7,8,31,7,5,8,7,8,57,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,7,22,7,4,3,7,5,11,7,4,5,7,7,26,7,5,9,9,9,768,7,4,6,7,8,37,9,5,128,7,7,25,7,6,15,
+9,8,320,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,
+7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,11,12,2560,7,4,3,7,5,11,7,4,5,
+7,6,12,7,5,9,9,6,1664,7,4,6,7,7,20,9,5,128,7,7,24,7,6,14,7,7,28,7,4,4,7,4,2,7,4,7,
+7,7,23,7,4,3,7,7,27,7,4,5,7,8,40,7,6,16,9,9,896,7,4,6,7,7,19,7,5,8,7,8,56,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7,7,8,46,7,4,3,7,5,11,7,4,5,7,8,54,7,5,9,9,8,512,7,4,6,
+7,8,36,9,5,128,7,8,52,7,6,15,7,8,0,7,4,4,7,4,2,7,4,7,7,6,13,7,4,3,9,9,1728,7,4,5,
+7,8,44,7,6,17,9,9,1408,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,
+7,8,30,7,4,3,7,5,11,7,4,5,7,6,12,7,5,9,9,6,1664,7,4,6,7,8,34,9,5,128,7,8,50,7,6,14,
+7,8,62,7,4,4,7,4,2,7,4,7,7,8,48,7,4,3,7,8,60,7,4,5,7,8,42,7,6,16,9,9,1152,7,4,6,
+7,8,32,7,5,8,7,8,58,9,5,64,7,5,10,7,4,4,7,4,2,7,4,7,7,7,22,7,4,3,7,5,11,7,4,5,
+7,7,26,7,5,9,9,8,640,7,4,6,7,8,38,9,5,128,7,7,25,7,6,15,9,8,384,7,4,4,7,4,2,7,4,7,
+7,6,13,7,4,3,7,7,18,7,4,5,7,7,21,7,6,17,9,7,256,7,4,6,7,6,1,7,5,8,9,6,192,9,5,64,
+7,5,10,7,4,4,7,4,2,7,4,7
+};
+const  TIFFFaxTabEnt TIFFFaxBlackTable[8192] = {
+12,11,0,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,8,13,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,9,15,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,10,18,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,10,17,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,11,11,1792,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,11,23,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,11,20,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,11,25,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,8,14,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,0,0,0,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,10,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,8,13,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,10,12,128,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,12,56,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,11,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,12,30,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+11,11,1856,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,12,57,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,11,21,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,12,54,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,8,14,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,0,0,0,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,8,13,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,9,15,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,12,52,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
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+8,4,5,8,2,3,8,3,4,8,2,2,11,11,1920,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
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+8,4,5,8,2,3,8,3,4,8,2,2,8,8,14,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
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+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
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+8,4,5,8,2,3,8,3,4,8,2,2,8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,8,13,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,9,15,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,12,55,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
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+8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,11,12,2304,8,2,3,8,3,1,8,2,2,
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+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,12,53,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
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+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,0,0,0,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
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+8,8,13,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,11,19,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,11,24,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,7,11,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,11,22,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+11,12,2560,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,9,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,10,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,10,16,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,10,0,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,10,10,64,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,6,9,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,8,7,11,8,2,3,8,3,1,8,2,2,
+8,4,6,8,2,3,8,3,4,8,2,2,8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2,
+8,8,14,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,8,6,8,8,2,3,8,3,1,8,2,2,
+8,4,5,8,2,3,8,3,4,8,2,2,8,7,12,8,2,3,8,3,1,8,2,2,8,4,6,8,2,3,8,3,4,8,2,2,
+8,5,7,8,2,3,8,3,1,8,2,2,8,4,5,8,2,3,8,3,4,8,2,2
+};

diff --git a/src/tiff/libtiff.def b/src/tiff/libtiff.def
new file mode 100644 (file)
index 0000000..4aa8165
--- /dev/null
+++ b/src/tiff/libtiff.def
@@ -0,0 +1,102 @@
+LIBRARY libtiff
+EXPORTS TIFFOpen
+       TIFFGetVersion
+       TIFFClose
+       TIFFFlush
+       TIFFFlushData
+       TIFFGetField
+       TIFFVGetField
+       TIFFGetFieldDefaulted
+       TIFFVGetFieldDefaulted
+       TIFFGetTagListEntry
+       TIFFGetTagListCount
+       TIFFReadDirectory
+       TIFFScanlineSize
+       TIFFStripSize
+       TIFFVStripSize
+       TIFFRawStripSize
+       TIFFTileRowSize
+       TIFFTileSize
+       TIFFVTileSize
+       TIFFFileno
+       TIFFGetMode
+       TIFFIsTiled
+       TIFFIsByteSwapped
+       TIFFCIELabToRGBInit
+       TIFFCIELabToXYZ
+       TIFFXYZToRGB
+       TIFFYCbCrToRGBInit
+       TIFFYCbCrtoRGB
+       TIFFCurrentRow
+       TIFFCurrentDirectory
+       TIFFCurrentStrip
+       TIFFCurrentTile
+       TIFFDataWidth
+       TIFFReadBufferSetup
+       TIFFLastDirectory
+       TIFFSetDirectory
+       TIFFSetSubDirectory
+       TIFFUnlinkDirectory
+       TIFFSetField
+       TIFFVSetField
+       TIFFCheckpointDirectory
+       TIFFWriteDirectory
+       TIFFRewriteDirectory
+       TIFFPrintDirectory
+       TIFFReadScanline
+       TIFFWriteScanline
+       TIFFReadRGBAImage
+       TIFFReadRGBAImageOriented
+       TIFFPrintDirectory
+       TIFFReadScanline
+       TIFFWriteScanline
+       TIFFReadRGBAImage
+       TIFFFdOpen
+       TIFFClientOpen
+       TIFFFileName
+       TIFFError
+       TIFFWarning
+       TIFFSetErrorHandler
+       TIFFSetWarningHandler
+       TIFFComputeTile
+       TIFFCheckTile
+       TIFFNumberOfTiles
+       TIFFReadTile
+       TIFFWriteTile
+       TIFFComputeStrip
+       TIFFNumberOfStrips
+       TIFFRGBAImageBegin
+       TIFFRGBAImageEnd
+       TIFFReadEncodedStrip
+       TIFFReadRawStrip
+       TIFFReadEncodedTile
+       TIFFReadRawTile
+       TIFFReadRGBATile
+       TIFFReadRGBAStrip
+       TIFFWriteEncodedStrip
+       TIFFWriteRawStrip
+       TIFFWriteEncodedTile
+       TIFFWriteRawTile
+       TIFFSetWriteOffset
+       TIFFSwabDouble
+       TIFFSwabShort
+       TIFFSwabLong
+       TIFFSwabArrayOfShort
+       TIFFSwabArrayOfLong
+       TIFFSwabArrayOfDouble
+       TIFFReverseBits
+       TIFFGetBitRevTable
+       TIFFDefaultStripSize
+       TIFFDefaultTileSize
+       TIFFRasterScanlineSize
+       _TIFFmalloc
+       _TIFFrealloc
+       _TIFFfree
+       _TIFFmemset
+       _TIFFmemcpy
+       _TIFFmemcmp
+       TIFFCreateDirectory
+       TIFFDefaultStripSize
+
+
+

diff --git a/src/tiff/mkg3states.c b/src/tiff/mkg3states.c
new file mode 100644 (file)
index 0000000..16ada83
--- /dev/null
+++ b/src/tiff/mkg3states.c
@@ -0,0 +1,436 @@
+/* "$Header$ */
+
+/*
+ * Copyright (c) 1991-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/* Initialise fax decoder tables
+ * Decoder support is derived, with permission, from the code
+ * in Frank Cringle's viewfax program;
+ *      Copyright (C) 1990, 1995  Frank D. Cringle.
+ */
+#if defined(unix) || defined(__unix)
+#include "port.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#include "tif_fax3.h"
+
+#define        streq(a,b)      (strcmp(a,b) == 0)
+
+/* NB: can't use names in tif_fax3.h 'cuz they are declared const */
+TIFFFaxTabEnt MainTable[128];
+TIFFFaxTabEnt WhiteTable[4096];
+TIFFFaxTabEnt BlackTable[8192];
+
+struct proto {
+    uint16 code;               /* right justified, lsb-first, zero filled */
+    uint16 val;                /* (pixel count)<<4 + code width  */
+};
+
+static struct proto Pass[] = {
+{ 0x0008, 4 },
+{ 0, 0 }
+};
+
+static struct proto Horiz[]  = {
+{ 0x0004, 3 },
+{ 0, 0 }
+};
+
+static struct proto V0[]  = {
+{ 0x0001, 1 },
+{ 0, 0 }
+};
+
+static struct proto VR[]  = {
+{ 0x0006, (1<<4)+3 },
+{ 0x0030, (2<<4)+6 },
+{ 0x0060, (3<<4)+7 },
+{ 0, 0 }
+};
+
+static struct proto VL[]  = {
+{ 0x0002, (1<<4)+3 },
+{ 0x0010, (2<<4)+6 },
+{ 0x0020, (3<<4)+7 },
+{ 0, 0 }
+};
+
+static struct proto Ext[]  = {
+{ 0x0040, 7 },
+{ 0, 0 }
+};
+
+static struct proto EOLV[]  = {
+{ 0x0000, 7 },
+{ 0, 0 }
+};
+
+static struct proto MakeUpW[] = {
+{ 0x001b, 1029 },
+{ 0x0009, 2053 },
+{ 0x003a, 3078 },
+{ 0x0076, 4103 },
+{ 0x006c, 5128 },
+{ 0x00ec, 6152 },
+{ 0x0026, 7176 },
+{ 0x00a6, 8200 },
+{ 0x0016, 9224 },
+{ 0x00e6, 10248 },
+{ 0x0066, 11273 },
+{ 0x0166, 12297 },
+{ 0x0096, 13321 },
+{ 0x0196, 14345 },
+{ 0x0056, 15369 },
+{ 0x0156, 16393 },
+{ 0x00d6, 17417 },
+{ 0x01d6, 18441 },
+{ 0x0036, 19465 },
+{ 0x0136, 20489 },
+{ 0x00b6, 21513 },
+{ 0x01b6, 22537 },
+{ 0x0032, 23561 },
+{ 0x0132, 24585 },
+{ 0x00b2, 25609 },
+{ 0x0006, 26630 },
+{ 0x01b2, 27657 },
+{ 0, 0 }
+};
+
+static struct proto MakeUpB[] = {
+{ 0x03c0, 1034 },
+{ 0x0130, 2060 },
+{ 0x0930, 3084 },
+{ 0x0da0, 4108 },
+{ 0x0cc0, 5132 },
+{ 0x02c0, 6156 },
+{ 0x0ac0, 7180 },
+{ 0x06c0, 8205 },
+{ 0x16c0, 9229 },
+{ 0x0a40, 10253 },
+{ 0x1a40, 11277 },
+{ 0x0640, 12301 },
+{ 0x1640, 13325 },
+{ 0x09c0, 14349 },
+{ 0x19c0, 15373 },
+{ 0x05c0, 16397 },
+{ 0x15c0, 17421 },
+{ 0x0dc0, 18445 },
+{ 0x1dc0, 19469 },
+{ 0x0940, 20493 },
+{ 0x1940, 21517 },
+{ 0x0540, 22541 },
+{ 0x1540, 23565 },
+{ 0x0b40, 24589 },
+{ 0x1b40, 25613 },
+{ 0x04c0, 26637 },
+{ 0x14c0, 27661 },
+{ 0, 0 }
+};
+
+static struct proto MakeUp[] = {
+{ 0x0080, 28683 },
+{ 0x0180, 29707 },
+{ 0x0580, 30731 },
+{ 0x0480, 31756 },
+{ 0x0c80, 32780 },
+{ 0x0280, 33804 },
+{ 0x0a80, 34828 },
+{ 0x0680, 35852 },
+{ 0x0e80, 36876 },
+{ 0x0380, 37900 },
+{ 0x0b80, 38924 },
+{ 0x0780, 39948 },
+{ 0x0f80, 40972 },
+{ 0, 0 }
+};
+
+static struct proto TermW[] = {
+{ 0x00ac, 8 },
+{ 0x0038, 22 },
+{ 0x000e, 36 },
+{ 0x0001, 52 },
+{ 0x000d, 68 },
+{ 0x0003, 84 },
+{ 0x0007, 100 },
+{ 0x000f, 116 },
+{ 0x0019, 133 },
+{ 0x0005, 149 },
+{ 0x001c, 165 },
+{ 0x0002, 181 },
+{ 0x0004, 198 },
+{ 0x0030, 214 },
+{ 0x000b, 230 },
+{ 0x002b, 246 },
+{ 0x0015, 262 },
+{ 0x0035, 278 },
+{ 0x0072, 295 },
+{ 0x0018, 311 },
+{ 0x0008, 327 },
+{ 0x0074, 343 },
+{ 0x0060, 359 },
+{ 0x0010, 375 },
+{ 0x000a, 391 },
+{ 0x006a, 407 },
+{ 0x0064, 423 },
+{ 0x0012, 439 },
+{ 0x000c, 455 },
+{ 0x0040, 472 },
+{ 0x00c0, 488 },
+{ 0x0058, 504 },
+{ 0x00d8, 520 },
+{ 0x0048, 536 },
+{ 0x00c8, 552 },
+{ 0x0028, 568 },
+{ 0x00a8, 584 },
+{ 0x0068, 600 },
+{ 0x00e8, 616 },
+{ 0x0014, 632 },
+{ 0x0094, 648 },
+{ 0x0054, 664 },
+{ 0x00d4, 680 },
+{ 0x0034, 696 },
+{ 0x00b4, 712 },
+{ 0x0020, 728 },
+{ 0x00a0, 744 },
+{ 0x0050, 760 },
+{ 0x00d0, 776 },
+{ 0x004a, 792 },
+{ 0x00ca, 808 },
+{ 0x002a, 824 },
+{ 0x00aa, 840 },
+{ 0x0024, 856 },
+{ 0x00a4, 872 },
+{ 0x001a, 888 },
+{ 0x009a, 904 },
+{ 0x005a, 920 },
+{ 0x00da, 936 },
+{ 0x0052, 952 },
+{ 0x00d2, 968 },
+{ 0x004c, 984 },
+{ 0x00cc, 1000 },
+{ 0x002c, 1016 },
+{ 0, 0 }
+};
+
+static struct proto TermB[] = {
+{ 0x03b0, 10 },
+{ 0x0002, 19 },
+{ 0x0003, 34 },
+{ 0x0001, 50 },
+{ 0x0006, 67 },
+{ 0x000c, 84 },
+{ 0x0004, 100 },
+{ 0x0018, 117 },
+{ 0x0028, 134 },
+{ 0x0008, 150 },
+{ 0x0010, 167 },
+{ 0x0050, 183 },
+{ 0x0070, 199 },
+{ 0x0020, 216 },
+{ 0x00e0, 232 },
+{ 0x0030, 249 },
+{ 0x03a0, 266 },
+{ 0x0060, 282 },
+{ 0x0040, 298 },
+{ 0x0730, 315 },
+{ 0x00b0, 331 },
+{ 0x01b0, 347 },
+{ 0x0760, 363 },
+{ 0x00a0, 379 },
+{ 0x0740, 395 },
+{ 0x00c0, 411 },
+{ 0x0530, 428 },
+{ 0x0d30, 444 },
+{ 0x0330, 460 },
+{ 0x0b30, 476 },
+{ 0x0160, 492 },
+{ 0x0960, 508 },
+{ 0x0560, 524 },
+{ 0x0d60, 540 },
+{ 0x04b0, 556 },
+{ 0x0cb0, 572 },
+{ 0x02b0, 588 },
+{ 0x0ab0, 604 },
+{ 0x06b0, 620 },
+{ 0x0eb0, 636 },
+{ 0x0360, 652 },
+{ 0x0b60, 668 },
+{ 0x05b0, 684 },
+{ 0x0db0, 700 },
+{ 0x02a0, 716 },
+{ 0x0aa0, 732 },
+{ 0x06a0, 748 },
+{ 0x0ea0, 764 },
+{ 0x0260, 780 },
+{ 0x0a60, 796 },
+{ 0x04a0, 812 },
+{ 0x0ca0, 828 },
+{ 0x0240, 844 },
+{ 0x0ec0, 860 },
+{ 0x01c0, 876 },
+{ 0x0e40, 892 },
+{ 0x0140, 908 },
+{ 0x01a0, 924 },
+{ 0x09a0, 940 },
+{ 0x0d40, 956 },
+{ 0x0340, 972 },
+{ 0x05a0, 988 },
+{ 0x0660, 1004 },
+{ 0x0e60, 1020 },
+{ 0, 0 }
+};
+
+static struct proto EOLH[] = {
+{ 0x0000, 11 },
+{ 0, 0 }
+};
+
+static void
+FillTable(TIFFFaxTabEnt *T, int Size, struct proto *P, int State)
+{
+    int limit = 1 << Size;
+
+    while (P->val) {
+       int width = P->val & 15;
+       int param = P->val >> 4;
+       int incr = 1 << width;
+       int code;
+       for (code = P->code; code < limit; code += incr) {
+           TIFFFaxTabEnt *E = T+code;
+           E->State = State;
+           E->Width = width;
+           E->Param = param;
+       }
+       P++;
+    }
+}
+
+static char* storage_class = "";
+static char* const_class = "";
+static int packoutput = 1;
+static char* prebrace = "";
+static char* postbrace = "";
+
+void
+WriteTable(FILE* fd, const TIFFFaxTabEnt* T, int Size, const char* name)
+{
+    int i;
+    char* sep;
+
+    fprintf(fd, "%s %s TIFFFaxTabEnt %s[%d] = {",
+       storage_class, const_class, name, Size);
+    if (packoutput) {
+       sep = "\n";
+       for (i = 0; i < Size; i++) {
+           fprintf(fd, "%s%s%d,%d,%d%s",
+               sep, prebrace, T->State, T->Width, (int) T->Param, postbrace);
+           if (((i+1) % 12) == 0)
+                   sep = ",\n";
+           else
+                   sep = ",";
+           T++;
+       }
+    } else {
+       sep = "\n ";
+       for (i = 0; i < Size; i++) {
+           fprintf(fd, "%s%s%3d,%3d,%4d%s",
+               sep, prebrace, T->State, T->Width, (int) T->Param, postbrace);
+           if (((i+1) % 6) == 0)
+                   sep = ",\n ";
+           else
+                   sep = ",";
+           T++;
+       }
+    }
+    fprintf(fd, "\n};\n");
+}
+
+/* initialise the huffman code tables */
+int
+main(int argc, char* argv[])
+{
+    FILE* fd;
+    char* outputfile;
+    int c;
+    extern int optind;
+    extern char* optarg;
+
+    while ((c = getopt(argc, argv, "c:s:bp")) != -1)
+       switch (c) {
+       case 'c':
+           const_class = optarg;
+           break;
+       case 's':
+           storage_class = optarg;
+           break;
+       case 'p':
+           packoutput = 0;
+           break;
+       case 'b':
+           prebrace = "{";
+           postbrace = "}";
+           break;
+       case '?':
+           fprintf(stderr,
+               "usage: %s [-c const] [-s storage] [-p] [-b] file\n",
+               argv[0]);
+           return (-1);
+       }
+    outputfile = optind < argc ? argv[optind] : "g3states.h";
+    fd = fopen(outputfile, "w");
+    if (fd == NULL) {
+       fprintf(stderr, "%s: %s: Cannot create output file.\n",
+           argv[0], outputfile);
+       return (-2);
+    }
+    FillTable(MainTable, 7, Pass, S_Pass);
+    FillTable(MainTable, 7, Horiz, S_Horiz);
+    FillTable(MainTable, 7, V0, S_V0);
+    FillTable(MainTable, 7, VR, S_VR);
+    FillTable(MainTable, 7, VL, S_VL);
+    FillTable(MainTable, 7, Ext, S_Ext);
+    FillTable(MainTable, 7, EOLV, S_EOL);
+    FillTable(WhiteTable, 12, MakeUpW, S_MakeUpW);
+    FillTable(WhiteTable, 12, MakeUp, S_MakeUp);
+    FillTable(WhiteTable, 12, TermW, S_TermW);
+    FillTable(WhiteTable, 12, EOLH, S_EOL);
+    FillTable(BlackTable, 13, MakeUpB, S_MakeUpB);
+    FillTable(BlackTable, 13, MakeUp, S_MakeUp);
+    FillTable(BlackTable, 13, TermB, S_TermB);
+    FillTable(BlackTable, 13, EOLH, S_EOL);
+
+    fprintf(fd, "/* WARNING, this file was automatically generated by the\n");
+    fprintf(fd, "    mkg3states program */\n");
+    fprintf(fd, "#include \"tiff.h\"\n");
+    fprintf(fd, "#include \"tif_fax3.h\"\n");
+    WriteTable(fd, MainTable, 128, "TIFFFaxMainTable");
+    WriteTable(fd, WhiteTable, 4096, "TIFFFaxWhiteTable");
+    WriteTable(fd, BlackTable, 8192, "TIFFFaxBlackTable");
+    fclose(fd);
+    return (0);
+}

diff --git a/src/tiff/mkspans.c b/src/tiff/mkspans.c
new file mode 100644 (file)
index 0000000..16b9996
--- /dev/null
+++ b/src/tiff/mkspans.c
@@ -0,0 +1,72 @@
+/* $Header$ */
+
+/*
+ * Copyright (c) 1991-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+#include "tiffcomp.h"
+
+/*
+ * Hack program to construct tables used to find
+ * runs of zeros and ones in Group 3 Fax encoding.
+ */
+
+dumparray(name, runs)
+       char *name;
+       unsigned char runs[256];
+{
+       register int i;
+       register char *sep;
+       printf("static u_char %s[256] = {\n", name);
+       sep = "    ";
+       for (i = 0; i < 256; i++) {
+               printf("%s%d", sep, runs[i]);
+               if (((i + 1) % 16) == 0) {
+                       printf(",       /* 0x%02x - 0x%02x */\n", i-15, i);
+                       sep = "    ";
+               } else
+                       sep = ", ";
+       }
+       printf("\n};\n");
+}
+
+main()
+{
+       unsigned char runs[2][256];
+
+       memset(runs[0], 0, 256*sizeof (char));
+       memset(runs[1], 0, 256*sizeof (char));
+       { register int run, runlen, i;
+         runlen = 1;
+         for (run = 0x80; run != 0xff; run = (run>>1)|0x80) {
+               for (i = run-1; i >= 0; i--) {
+                       runs[1][run|i] = runlen;
+                       runs[0][(~(run|i)) & 0xff] = runlen;
+               }
+               runlen++;
+         }
+         runs[1][0xff] = runs[0][0] = 8;
+       }
+       dumparray("bruns", runs[0]);
+       dumparray("wruns", runs[1]);
+}

diff --git a/src/tiff/mkversion.c b/src/tiff/mkversion.c
new file mode 100644 (file)
index 0000000..5e99f03
--- /dev/null
+++ b/src/tiff/mkversion.c
@@ -0,0 +1,148 @@
+/* "$Header$ */
+
+/*
+ * Copyright (c) 1995-1997 Sam Leffler
+ * Copyright (c) 1995-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * Generate a library version string for systems that
+ * do not have a shell (by default this is done with
+ * awk and echo from the Makefile).
+ *
+ * This was written by Peter Greenham for Acorn systems.
+ *
+ * Syntax: mkversion [-v version-file] [<outfile>]
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void
+usage(void)
+{
+    fprintf(stderr,
+            "usage: mkversion [-v version-file]\n"
+            "                 [-r releasedate-file] [outfile]\n");
+    exit(-1);
+}
+
+static FILE*
+openFile(char* filename)
+{
+    FILE* fd = fopen(filename, "r");
+    if (fd == NULL) {
+       fprintf(stderr, "mkversion: %s: Could not open for reading.\n",
+           filename);
+       exit(-1);
+    }
+    return (fd);
+}
+
+int
+main(int argc, char* argv[])
+{
+    char* versionFile = "../VERSION";
+    char* releaseDateFile = "../RELEASE-DATE";
+    char version[128];
+    char rawReleaseDate[128];
+    char tiffLibVersion[128];
+    FILE* fd;
+    char* cp;
+
+    argc--, argv++;
+    while (argc > 0 && argv[0][0] == '-') {
+       if (strcmp(argv[0], "-v") == 0) {
+           if (argc < 1)
+               usage();
+           argc--, argv++;
+           versionFile = argv[0];
+       } else if (strcmp(argv[0], "-r") == 0) {
+           if (argc < 1)
+               usage();
+           argc--, argv++;
+           releaseDateFile = argv[0];
+       } else
+           usage();
+       argc--, argv++;
+    }
+
+    /*
+     * Read the VERSION file.
+     */
+    fd = openFile(versionFile);
+    if (fgets(version, sizeof (version)-1, fd) == NULL) {
+       fprintf(stderr, "mkversion: No version information in %s.\n",
+           versionFile);
+       exit(-1);
+    }
+    cp = strchr(version, '\n');
+    if (cp)
+       *cp = '\0';
+    fclose(fd);
+
+    /*
+     * Read the RELEASE-DATE, and translate format to emit TIFFLIB_VERSION.
+     */
+    fd = openFile(releaseDateFile);
+    if (fgets(rawReleaseDate, sizeof (rawReleaseDate)-1, fd) == NULL) {
+       fprintf(stderr, "mkversion: No release date information in %s.\n",
+                releaseDateFile);
+       exit(-1);
+    }
+    fclose(fd);
+
+    sprintf( tiffLibVersion, "#define TIFFLIB_VERSION %4.4s%2.2s%2.2s",
+             rawReleaseDate+6, 
+             rawReleaseDate+0,
+             rawReleaseDate+3 );
+    
+    /*
+     * Emit the tiffvers.h file.
+     */
+    if (argc > 0) {
+       fd = fopen(argv[0], "w");
+       if (fd == NULL) {
+           fprintf(stderr, "mkversion: %s: Could not open for writing.\n",
+               argv[0]);
+           exit(-1);
+       }
+    } else
+       fd = stdout;
+    fprintf(fd, "#define TIFFLIB_VERSION_STR \"LIBTIFF, Version %s\\n", version);
+    fprintf(fd, "Copyright (c) 1988-1996 Sam Leffler\\n");
+    fprintf(fd, "Copyright (c) 1991-1996 Silicon Graphics, Inc.\"\n");
+
+    fprintf( fd, 
+             "/*\n"
+             " * This define can be used in code that requires\n"
+             " * compilation-related definitions specific to a\n"
+             " * version or versions of the library.  Runtime\n"
+             " * version checking should be done based on the\n"
+             " * string returned by TIFFGetVersion.\n" 
+             " */\n" );
+    fprintf(fd, "%s\n", tiffLibVersion );
+
+    if (fd != stdout)
+       fclose(fd);
+    return (0);
+}

diff --git a/src/tiff/tif_color.c b/src/tiff/tif_color.c
new file mode 100644 (file)
index 0000000..ae830b0
--- /dev/null
+++ b/src/tiff/tif_color.c
@@ -0,0 +1,268 @@
+/* $Header$ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * CIE L*a*b* to CIE XYZ and CIE XYZ to RGB conversion routines are taken
+ * from the VIPS library (http://www.vips.ecs.soton.ac.uk) with
+ * the permission of John Cupitt, the VIPS author.
+ */
+
+/*
+ * TIFF Library.
+ *
+ * Color space conversion routines.
+ */
+
+#include "tiffiop.h"
+#include <math.h>
+
+/*
+ * Convert color value from the CIE L*a*b* 1976 space to CIE XYZ.
+ */
+void
+TIFFCIELabToXYZ(TIFFCIELabToRGB *cielab, uint32 l, int32 a, int32 b,
+               float *X, float *Y, float *Z)
+{
+       float L = (float)l * 100.0F / 255.0F;
+       float cby, tmp;
+
+       if( L < 8.856F ) {
+               *Y = (L * cielab->Y0) / 903.292F;
+               cby = 7.787F * (*Y / cielab->Y0) + 16.0F / 116.0F;
+       } else {
+               cby = (L + 16.0F) / 116.0F;
+               *Y = cielab->Y0 * cby * cby * cby;
+       }
+
+       tmp = (float)a / 500.0F + cby;
+       if( tmp < 0.2069F )
+               *X = cielab->X0 * (tmp - 0.13793F) / 7.787F;
+       else    
+               *X = cielab->X0 * tmp * tmp * tmp;
+
+       tmp = cby - (float)b / 200.0F;
+       if( tmp < 0.2069F )
+               *Z = cielab->Z0 * (tmp - 0.13793F) / 7.787F;
+       else    
+               *Z = cielab->Z0 * tmp * tmp * tmp;
+}
+
+#define RINT(R) ((uint32)((R)>0?((R)+0.5):((R)-0.5)))
+/*
+ * Convert color value from the XYZ space to RGB.
+ */
+void
+TIFFXYZToRGB(TIFFCIELabToRGB *cielab, float X, float Y, float Z,
+            uint32 *r, uint32 *g, uint32 *b)
+{
+       int i;
+       float Yr, Yg, Yb;
+       float *matrix = &cielab->display.d_mat[0][0];
+
+       /* Multiply through the matrix to get luminosity values. */
+       Yr =  matrix[0] * X + matrix[1] * Y + matrix[2] * Z;
+       Yg =  matrix[3] * X + matrix[4] * Y + matrix[5] * Z;
+       Yb =  matrix[6] * X + matrix[7] * Y + matrix[8] * Z;
+
+       /* Clip input */
+       Yr = TIFFmax( Yr, cielab->display.d_Y0R );
+       Yg = TIFFmax( Yg, cielab->display.d_Y0G );
+       Yb = TIFFmax( Yb, cielab->display.d_Y0B );
+
+       /* Turn luminosity to colour value. */
+       i = TIFFmin(cielab->range,
+                   (int)((Yr - cielab->display.d_Y0R) / cielab->rstep));
+       *r = RINT(cielab->Yr2r[i]);
+
+       i = TIFFmin(cielab->range,
+                   (int)((Yg - cielab->display.d_Y0G) / cielab->gstep));
+       *g = RINT(cielab->Yg2g[i]);
+
+       i = TIFFmin(cielab->range,
+                   (int)((Yb - cielab->display.d_Y0B) / cielab->bstep));
+       *b = RINT(cielab->Yb2b[i]);
+
+       /* Clip output. */
+       *r = TIFFmin( *r, cielab->display.d_Vrwr );
+       *g = TIFFmin( *g, cielab->display.d_Vrwg );
+       *b = TIFFmin( *b, cielab->display.d_Vrwb );
+}
+#undef RINT
+
+/* 
+ * Allocate conversion state structures and make look_up tables for
+ * the Yr,Yb,Yg <=> r,g,b conversions.
+ */
+int
+TIFFCIELabToRGBInit(TIFFCIELabToRGB* cielab,
+                   TIFFDisplay *display, float *refWhite)
+{
+       int i;
+       float gamma;
+
+       cielab->range = CIELABTORGB_TABLE_RANGE;
+
+       _TIFFmemcpy(&cielab->display, display, sizeof(TIFFDisplay));
+
+       /* Red */
+       gamma = 1.0F / cielab->display.d_gammaR ;
+       cielab->rstep =
+               (cielab->display.d_YCR - cielab->display.d_Y0R) / cielab->range;
+       for(i = 0; i <= cielab->range; i++) {
+               cielab->Yr2r[i] = cielab->display.d_Vrwr
+                   * ((float)pow((double)i / cielab->range, gamma));
+       }
+
+       /* Green */
+       gamma = 1.0F / cielab->display.d_gammaG ;
+       cielab->gstep =
+           (cielab->display.d_YCR - cielab->display.d_Y0R) / cielab->range;
+       for(i = 0; i <= cielab->range; i++) {
+               cielab->Yg2g[i] = cielab->display.d_Vrwg
+                   * ((float)pow((double)i / cielab->range, gamma));
+       }
+
+       /* Blue */
+       gamma = 1.0F / cielab->display.d_gammaB ;
+       cielab->bstep =
+           (cielab->display.d_YCR - cielab->display.d_Y0R) / cielab->range;
+       for(i = 0; i <= cielab->range; i++) {
+               cielab->Yb2b[i] = cielab->display.d_Vrwb
+                   * ((float)pow((double)i / cielab->range, gamma));
+       }
+
+       /* Init reference white point */
+       cielab->X0 = refWhite[0];
+       cielab->Y0 = refWhite[1];
+       cielab->Z0 = refWhite[2];
+
+       return 0;
+}
+
+/* 
+ * Convert color value from the YCbCr space to CIE XYZ.
+ * The colorspace conversion algorithm comes from the IJG v5a code;
+ * see below for more information on how it works.
+ */
+#define        SHIFT                   16
+#define        FIX(x)                  ((int32)((x) * (1L<<SHIFT) + 0.5))
+#define        ONE_HALF                ((int32)(1<<(SHIFT-1)))
+#define        Code2V(c, RB, RW, CR)   ((((c)-(int32)(RB))*(float)(CR))/(float)((RW)-(RB)))
+#define        CLAMP(f,min,max)        ((f)<(min)?(min):(f)>(max)?(max):(f))
+
+void
+TIFFYCbCrtoRGB(TIFFYCbCrToRGB *ycbcr, uint32 Y, int32 Cb, int32 Cr,
+              uint32 *r, uint32 *g, uint32 *b)
+{
+       /* XXX: Only 8-bit YCbCr input supported for now */
+       Y = CLAMP(Y, 0, 255), Cb = CLAMP(Cb, 0, 255), Cr = CLAMP(Cr, 0, 255);
+
+       *r = ycbcr->clamptab[ycbcr->Y_tab[Y] + ycbcr->Cr_r_tab[Cr]];
+       *g = ycbcr->clamptab[ycbcr->Y_tab[Y]
+           + (int)((ycbcr->Cb_g_tab[Cb] + ycbcr->Cr_g_tab[Cr]) >> SHIFT)];
+       *b = ycbcr->clamptab[ycbcr->Y_tab[Y] + ycbcr->Cb_b_tab[Cb]];
+}
+
+/*
+ * Initialize the YCbCr->RGB conversion tables.  The conversion
+ * is done according to the 6.0 spec:
+ *
+ *    R = Y + Cr*(2 - 2*LumaRed)
+ *    B = Y + Cb*(2 - 2*LumaBlue)
+ *    G =   Y
+ *        - LumaBlue*Cb*(2-2*LumaBlue)/LumaGreen
+ *        - LumaRed*Cr*(2-2*LumaRed)/LumaGreen
+ *
+ * To avoid floating point arithmetic the fractional constants that
+ * come out of the equations are represented as fixed point values
+ * in the range 0...2^16.  We also eliminate multiplications by
+ * pre-calculating possible values indexed by Cb and Cr (this code
+ * assumes conversion is being done for 8-bit samples).
+ */
+int
+TIFFYCbCrToRGBInit(TIFFYCbCrToRGB* ycbcr, float *luma, float *refBlackWhite)
+{
+    TIFFRGBValue* clamptab;
+    int i;
+    
+#define LumaRed            luma[0]
+#define LumaGreen   luma[1]
+#define LumaBlue    luma[2]
+
+    clamptab = (TIFFRGBValue*)(
+       (tidata_t) ycbcr+TIFFroundup(sizeof (TIFFYCbCrToRGB), sizeof (long)));
+    _TIFFmemset(clamptab, 0, 256);             /* v < 0 => 0 */
+    ycbcr->clamptab = (clamptab += 256);
+    for (i = 0; i < 256; i++)
+       clamptab[i] = (TIFFRGBValue) i;
+    _TIFFmemset(clamptab+256, 255, 2*256);     /* v > 255 => 255 */
+    ycbcr->Cr_r_tab = (int*) (clamptab + 3*256);
+    ycbcr->Cb_b_tab = ycbcr->Cr_r_tab + 256;
+    ycbcr->Cr_g_tab = (int32*) (ycbcr->Cb_b_tab + 256);
+    ycbcr->Cb_g_tab = ycbcr->Cr_g_tab + 256;
+    ycbcr->Y_tab = ycbcr->Cb_g_tab + 256;
+
+    { float f1 = 2-2*LumaRed;          int32 D1 = FIX(f1);
+      float f2 = LumaRed*f1/LumaGreen; int32 D2 = -FIX(f2);
+      float f3 = 2-2*LumaBlue;         int32 D3 = FIX(f3);
+      float f4 = LumaBlue*f3/LumaGreen;        int32 D4 = -FIX(f4);
+      int x;
+
+#undef LumaBlue
+#undef LumaGreen
+#undef LumaRed
+      
+      /*
+       * i is the actual input pixel value in the range 0..255
+       * Cb and Cr values are in the range -128..127 (actually
+       * they are in a range defined by the ReferenceBlackWhite
+       * tag) so there is some range shifting to do here when
+       * constructing tables indexed by the raw pixel data.
+       */
+      for (i = 0, x = -128; i < 256; i++, x++) {
+           int32 Cr = (int32)Code2V(x, refBlackWhite[4] - 128.0F,
+                           refBlackWhite[5] - 128.0F, 127);
+           int32 Cb = (int32)Code2V(x, refBlackWhite[2] - 128.0F,
+                           refBlackWhite[3] - 128.0F, 127);
+
+           ycbcr->Cr_r_tab[i] = (int32)((D1*Cr + ONE_HALF)>>SHIFT);
+           ycbcr->Cb_b_tab[i] = (int32)((D3*Cb + ONE_HALF)>>SHIFT);
+           ycbcr->Cr_g_tab[i] = D2*Cr;
+           ycbcr->Cb_g_tab[i] = D4*Cb + ONE_HALF;
+           ycbcr->Y_tab[i] =
+                   (int32)Code2V(x + 128, refBlackWhite[0], refBlackWhite[1], 255);
+      }
+    }
+
+    return 0;
+}
+#undef CLAMP
+#undef Code2V
+#undef SHIFT
+#undef ONE_HALF
+#undef FIX
+
+

diff --git a/src/tiff/tif_extension.c b/src/tiff/tif_extension.c
new file mode 100644 (file)
index 0000000..f7aa685
--- /dev/null
+++ b/src/tiff/tif_extension.c
@@ -0,0 +1,112 @@
+/* $Header$ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * TIFF Library.
+ *
+ * Various routines support external extension of the tag set, and other
+ * application extension capabilities. 
+ */
+
+#include "tiffiop.h"
+#include <assert.h>
+
+int TIFFGetTagListCount( TIFF *tif )
+
+{
+    TIFFDirectory* td = &tif->tif_dir;
+    
+    return td->td_customValueCount;
+}
+
+ttag_t TIFFGetTagListEntry( TIFF *tif, int tag_index )
+
+{
+    TIFFDirectory* td = &tif->tif_dir;
+
+    if( tag_index < 0 || tag_index >= td->td_customValueCount )
+        return (ttag_t) -1;
+    else
+        return td->td_customValues[tag_index].info->field_tag;
+}
+
+/*
+** This provides read/write access to the TIFFTagMethods within the TIFF
+** structure to application code without giving access to the private
+** TIFF structure.
+*/
+TIFFTagMethods *TIFFAccessTagMethods( TIFF *tif )
+
+{
+    return &(tif->tif_tagmethods);
+}
+
+void *TIFFGetClientInfo( TIFF *tif, const char *name )
+
+{
+    TIFFClientInfoLink *link = tif->tif_clientinfo;
+
+    while( link != NULL && strcmp(link->name,name) != 0 )
+        link = link->next;
+
+    if( link != NULL )
+        return link->data;
+    else
+        return NULL;
+}
+
+void TIFFSetClientInfo( TIFF *tif, void *data, const char *name )
+
+{
+    TIFFClientInfoLink *link = tif->tif_clientinfo;
+
+    /*
+    ** Do we have an existing link with this name?  If so, just
+    ** set it.
+    */
+    while( link != NULL && strcmp(link->name,name) != 0 )
+        link = link->next;
+
+    if( link != NULL )
+    {
+        link->data = data;
+        return;
+    }
+
+    /*
+    ** Create a new link.
+    */
+
+    link = (TIFFClientInfoLink *) _TIFFmalloc(sizeof(TIFFClientInfoLink));
+    assert (link != NULL);
+    link->next = tif->tif_clientinfo;
+    link->name = (char *) _TIFFmalloc(strlen(name)+1);
+    assert (link->name != NULL);
+    strcpy(link->name, name);
+    link->data = data;
+
+    tif->tif_clientinfo = link;
+}

diff --git a/src/tiff/tif_ojpeg.c b/src/tiff/tif_ojpeg.c
new file mode 100644 (file)
index 0000000..a442647
--- /dev/null
+++ b/src/tiff/tif_ojpeg.c
@@ -0,0 +1,2630 @@
+#include "tiffiop.h"
+#ifdef OJPEG_SUPPORT
+
+/* JPEG Compression support, as per the original TIFF 6.0 specification.
+
+   WARNING: KLUDGE ALERT!  The type of JPEG encapsulation defined by the TIFF
+                           Version 6.0 specification is now totally obsolete and
+   deprecated for new applications and images.  This file is an unsupported hack
+   that was created solely in order to read (but NOT write!) a few old,
+   unconverted images still present on some users' computer systems.  The code
+   isn't pretty or robust, and it won't read every "old format" JPEG-in-TIFF
+   file (see Samuel Leffler's draft "TIFF Technical Note No. 2" for a long and
+   incomplete list of known problems), but it seems to work well enough in the
+   few cases of practical interest to the author; so, "caveat emptor"!  This
+   file should NEVER be enhanced to write new images using anything other than
+   the latest approved JPEG-in-TIFF encapsulation method, implemented by the
+   "tif_jpeg.c" file elsewhere in this library.
+
+   This file interfaces with Release 6B of the JPEG Library written by theu
+   Independent JPEG Group, which you can find on the Internet at:
+   ftp://ftp.uu.net:/graphics/jpeg/.
+
+   The "C" Preprocessor macros, "[CD]_LOSSLESS_SUPPORTED", are defined by your
+   JPEG Library Version 6B only if you have applied a (massive!) patch by Ken
+   Murchison of Oceana Matrix Ltd. <ken@oceana.com> to support lossless Huffman
+   encoding (TIFF "JPEGProc" tag value = 14).  This patch can be found on the
+   Internet at: ftp://ftp.oceana.com/pub/ljpeg-6b.tar.gz.
+
+   Some old files produced by the Wang Imaging application for Microsoft Windows
+   apparently can be decoded only with a special patch to the JPEG Library,
+   which defines a subroutine named "jpeg_reset_huff_decode()" in its "jdhuff.c"
+   module (the "jdshuff.c" module, if Ken Murchison's patch has been applied).
+   Unfortunately the patch differs slightly in each case, and some TIFF Library
+   have reported problems finding the code, so both versions appear below; you
+   should carefully extract and apply only the version that applies to your JPEG
+   Library!
+
+   Contributed by Scott Marovich <marovich@hpl.hp.com> with considerable help
+   from Charles Auer <Bumble731@msn.com> to unravel the mysteries of image files
+   created by the Wang Imaging application for Microsoft Windows.
+*/
+#if 0  /* Patch for JPEG Library WITHOUT lossless Huffman coding */
+*** jdhuff.c.orig      Mon Oct 20 17:51:10 1997
+--- jdhuff.c   Sun Nov 11 17:33:58 2001
+***************
+*** 648,651 ****
+--- 648,683 ----
+    for (i = 0; i < NUM_HUFF_TBLS; i++) {
+      entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL;
+    }
+  }
++ 
++ /*
++  * BEWARE OF KLUDGE:  This subroutine is a hack for decoding illegal JPEG-in-
++  *                    TIFF encapsulations produced by Microsoft's Wang Imaging
++  * for Windows application with the public-domain TIFF Library.  Based upon an
++  * examination of selected output files, this program apparently divides a JPEG
++  * bit-stream into consecutive horizontal TIFF "strips", such that the JPEG
++  * encoder's/decoder's DC coefficients for each image component are reset before
++  * each "strip".  Moreover, a "strip" is not necessarily encoded in a multiple
++  * of 8 bits, so one must sometimes discard 1-7 bits at the end of each "strip"
++  * for alignment to the next input-Byte storage boundary.  IJG JPEG Library
++  * decoder state is not normally exposed to client applications, so this sub-
++  * routine provides the TIFF Library with a "hook" to make these corrections.
++  * It should be called after "jpeg_start_decompress()" and before
++  * "jpeg_finish_decompress()", just before decoding each "strip" using
++  * "jpeg_read_raw_data()" or "jpeg_read_scanlines()".
++  *
++  * This kludge is not sanctioned or supported by the Independent JPEG Group, and
++  * future changes to the IJG JPEG Library might invalidate it.  Do not send bug
++  * reports about this code to IJG developers.  Instead, contact the author for
++  * advice: Scott B. Marovich <marovich@hpl.hp.com>, Hewlett-Packard Labs, 6/01.
++  */
++ GLOBAL(void)
++ jpeg_reset_huff_decode (register j_decompress_ptr cinfo)
++ { register huff_entropy_ptr entropy = (huff_entropy_ptr)cinfo->entropy;
++   register int ci = 0;
++ 
++   /* Discard encoded input bits, up to the next Byte boundary */
++   entropy->bitstate.bits_left &= ~7;
++   /* Re-initialize DC predictions to 0 */
++   do entropy->saved.last_dc_val[ci] = 0; while (++ci < cinfo->comps_in_scan);
++ }
+#endif /* Patch for JPEG Library WITHOUT lossless Huffman coding */
+#if 0  /* Patch for JPEG Library WITH lossless Huffman coding */
+*** jdshuff.c.orig     Mon Mar 11 16:44:54 2002
+--- jdshuff.c  Mon Mar 11 16:44:54 2002
+***************
+*** 357,360 ****
+--- 357,393 ----
+    for (i = 0; i < NUM_HUFF_TBLS; i++) {
+      entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL;
+    }
+  }
++ 
++ /*
++  * BEWARE OF KLUDGE:  This subroutine is a hack for decoding illegal JPEG-in-
++  *                    TIFF encapsulations produced by Microsoft's Wang Imaging
++  * for Windows application with the public-domain TIFF Library.  Based upon an
++  * examination of selected output files, this program apparently divides a JPEG
++  * bit-stream into consecutive horizontal TIFF "strips", such that the JPEG
++  * encoder's/decoder's DC coefficients for each image component are reset before
++  * each "strip".  Moreover, a "strip" is not necessarily encoded in a multiple
++  * of 8 bits, so one must sometimes discard 1-7 bits at the end of each "strip"
++  * for alignment to the next input-Byte storage boundary.  IJG JPEG Library
++  * decoder state is not normally exposed to client applications, so this sub-
++  * routine provides the TIFF Library with a "hook" to make these corrections.
++  * It should be called after "jpeg_start_decompress()" and before
++  * "jpeg_finish_decompress()", just before decoding each "strip" using
++  * "jpeg_read_raw_data()" or "jpeg_read_scanlines()".
++  *
++  * This kludge is not sanctioned or supported by the Independent JPEG Group, and
++  * future changes to the IJG JPEG Library might invalidate it.  Do not send bug
++  * reports about this code to IJG developers.  Instead, contact the author for
++  * advice: Scott B. Marovich <marovich@hpl.hp.com>, Hewlett-Packard Labs, 6/01.
++  */
++ GLOBAL(void)
++ jpeg_reset_huff_decode (register j_decompress_ptr cinfo)
++ { register shuff_entropy_ptr entropy = (shuff_entropy_ptr)
++                                        ((j_lossy_d_ptr)cinfo->codec)->entropy_private;
++   register int ci = 0;
++ 
++   /* Discard encoded input bits, up to the next Byte boundary */
++   entropy->bitstate.bits_left &= ~7;
++   /* Re-initialize DC predictions to 0 */
++   do entropy->saved.last_dc_val[ci] = 0; while (++ci < cinfo->comps_in_scan);
++ }
+#endif /* Patch for JPEG Library WITH lossless Huffman coding */
+#include <setjmp.h>
+#include <stdio.h>
+#ifdef FAR
+#undef FAR /* Undefine FAR to avoid conflict with JPEG definition */
+#endif
+#define JPEG_INTERNALS /* Include "jpegint.h" for "DSTATE_*" symbols */
+#define JPEG_CJPEG_DJPEG /* Include all Version 6B+ "jconfig.h" options */
+#undef INLINE
+#include "jpeglib.h"
+#undef JPEG_CJPEG_DJPEG
+#undef JPEG_INTERNALS
+
+/* Hack for files produced by Wang Imaging application on Microsoft Windows */
+extern void jpeg_reset_huff_decode(j_decompress_ptr);
+
+/* On some machines, it may be worthwhile to use "_setjmp()" or "sigsetjmp()"
+   instead of "setjmp()".  These macros make it easier:
+*/
+#define SETJMP(jbuf)setjmp(jbuf)
+#define LONGJMP(jbuf,code)longjmp(jbuf,code)
+#define JMP_BUF jmp_buf
+
+#define TIFFTAG_WANG_PAGECONTROL 32934
+
+/* Bit-vector offsets for keeping track of TIFF records that we've parsed. */
+
+#define FIELD_JPEGPROC FIELD_CODEC
+#define FIELD_JPEGIFOFFSET (FIELD_CODEC+1)
+#define FIELD_JPEGIFBYTECOUNT (FIELD_CODEC+2)
+#define FIELD_JPEGRESTARTINTERVAL (FIELD_CODEC+3)
+#define FIELD_JPEGTABLES (FIELD_CODEC+4) /* New, post-6.0 JPEG-in-TIFF tag! */
+#define FIELD_JPEGLOSSLESSPREDICTORS (FIELD_CODEC+5)
+#define FIELD_JPEGPOINTTRANSFORM (FIELD_CODEC+6)
+#define FIELD_JPEGQTABLES (FIELD_CODEC+7)
+#define FIELD_JPEGDCTABLES (FIELD_CODEC+8)
+#define FIELD_JPEGACTABLES (FIELD_CODEC+9)
+#define FIELD_WANG_PAGECONTROL (FIELD_CODEC+10)
+#define FIELD_JPEGCOLORMODE (FIELD_CODEC+11)
+
+typedef struct jpeg_destination_mgr jpeg_destination_mgr;
+typedef struct jpeg_source_mgr jpeg_source_mgr;
+typedef struct jpeg_error_mgr jpeg_error_mgr;
+
+/* State variable for each open TIFF file that uses "libjpeg" for JPEG
+   decompression.  (Note:  This file should NEVER perform JPEG compression
+   except in the manner implemented by the "tif_jpeg.c" file, elsewhere in this
+   library; see comments above.)  JPEG Library internal state is recorded in a
+   "jpeg_{de}compress_struct", while a "jpeg_common_struct" records a few items
+   common to both compression and expansion.  The "cinfo" field containing JPEG
+   Library state MUST be the 1st member of our own state variable, so that we
+   can safely "cast" pointers back and forth.
+*/
+typedef struct             /* This module's private, per-image state variable */
+  {
+    union         /* JPEG Library state variable; this MUST be our 1st field! */
+      {
+        struct jpeg_compress_struct c;
+        struct jpeg_decompress_struct d;
+        struct jpeg_common_struct comm;
+      } cinfo;
+    jpeg_error_mgr err;                         /* JPEG Library error manager */
+    JMP_BUF exit_jmpbuf;             /* ...for catching JPEG Library failures */
+#   ifdef never
+
+ /* (The following two fields could be a "union", but they're small enough that
+    it's not worth the effort.)
+ */
+    jpeg_destination_mgr dest;             /* Destination for compressed data */
+#   endif
+    jpeg_source_mgr src;                           /* Source of expanded data */
+    JSAMPARRAY ds_buffer[MAX_COMPONENTS]; /* ->Temporary downsampling buffers */
+    TIFF *tif;                        /* Reverse pointer, needed by some code */
+    TIFFVGetMethod vgetparent;                    /* "Super class" methods... */
+    TIFFVSetMethod vsetparent;
+    TIFFStripMethod defsparent;
+    TIFFTileMethod deftparent;
+    void *jpegtables;           /* ->"New" JPEG tables, if we synthesized any */
+    uint32 is_WANG,    /* <=> Wang Imaging for Microsoft Windows output file? */
+           jpegtables_length;   /* Length of "new" JPEG tables, if they exist */
+    tsize_t bytesperline;          /* No. of decompressed Bytes per scan line */
+    int jpegquality,                             /* Compression quality level */
+        jpegtablesmode,                          /* What to put in JPEGTables */
+        samplesperclump,
+        scancount;                           /* No. of scan lines accumulated */
+    J_COLOR_SPACE photometric;          /* IJG JPEG Library's photometry code */
+    u_char h_sampling,                          /* Luminance sampling factors */
+           v_sampling,
+           jpegcolormode;           /* Who performs RGB <-> YCbCr conversion? */
+                       /* JPEGCOLORMODE_RAW <=> TIFF Library or its client */
+                       /* JPEGCOLORMODE_RGB <=> JPEG Library               */
+    /* These fields are added to support TIFFGetField */
+    uint16 jpegproc;
+    uint32 jpegifoffset;
+    uint32 jpegifbytecount;
+    uint32 jpegrestartinterval;
+    void* jpeglosslesspredictors;
+    uint16 jpeglosslesspredictors_length;
+    void* jpegpointtransform;
+    uint32 jpegpointtransform_length;
+    void* jpegqtables;
+    uint32 jpegqtables_length;
+    void* jpegdctables;
+    uint32 jpegdctables_length;
+    void* jpegactables;
+    uint32 jpegactables_length;
+
+  } OJPEGState;
+#define OJState(tif)((OJPEGState*)(tif)->tif_data)
+
+static const TIFFFieldInfo ojpegFieldInfo[]=/* JPEG-specific TIFF-record tags */
+  {
+
+ /* This is the current JPEG-in-TIFF metadata-encapsulation tag, and its
+    treatment in this file is idiosyncratic.  It should never appear in a
+    "source" image conforming to the TIFF Version 6.0 specification, so we
+    arrange to report an error if it appears.  But in order to support possible
+    future conversion of "old" JPEG-in-TIFF encapsulations to "new" ones, we
+    might wish to synthesize an equivalent value to be returned by the TIFF
+    Library's "getfield" method.  So, this table tells the TIFF Library to pass
+    these records to us in order to filter them below.
+ */
+    {
+      TIFFTAG_JPEGTABLES            ,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_UNDEFINED,FIELD_JPEGTABLES            ,FALSE,TRUE ,"JPEGTables"
+    },
+
+ /* These tags are defined by the TIFF Version 6.0 specification and are now
+    obsolete.  This module reads them from an old "source" image, but it never
+    writes them to a new "destination" image.
+ */
+    {
+      TIFFTAG_JPEGPROC              ,1            ,1            ,
+      TIFF_SHORT    ,FIELD_JPEGPROC              ,FALSE,FALSE,"JPEGProc"
+    },
+    {
+      TIFFTAG_JPEGIFOFFSET          ,1            ,1            ,
+      TIFF_LONG     ,FIELD_JPEGIFOFFSET          ,FALSE,FALSE,"JPEGInterchangeFormat"
+    },
+    {
+      TIFFTAG_JPEGIFBYTECOUNT       ,1            ,1            ,
+      TIFF_LONG     ,FIELD_JPEGIFBYTECOUNT       ,FALSE,FALSE,"JPEGInterchangeFormatLength"
+    },
+    {
+      TIFFTAG_JPEGRESTARTINTERVAL   ,1            ,1            ,
+      TIFF_SHORT    ,FIELD_JPEGRESTARTINTERVAL   ,FALSE,FALSE,"JPEGRestartInterval"
+    },
+    {
+      TIFFTAG_JPEGLOSSLESSPREDICTORS,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_SHORT    ,FIELD_JPEGLOSSLESSPREDICTORS,FALSE,TRUE ,"JPEGLosslessPredictors"
+    },
+    {
+      TIFFTAG_JPEGPOINTTRANSFORM    ,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_SHORT    ,FIELD_JPEGPOINTTRANSFORM    ,FALSE,TRUE ,"JPEGPointTransforms"
+    },
+    {
+      TIFFTAG_JPEGQTABLES           ,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_LONG     ,FIELD_JPEGQTABLES           ,FALSE,TRUE ,"JPEGQTables"
+    },
+    {
+      TIFFTAG_JPEGDCTABLES          ,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_LONG     ,FIELD_JPEGDCTABLES          ,FALSE,TRUE ,"JPEGDCTables"
+    },
+    {
+      TIFFTAG_JPEGACTABLES          ,TIFF_VARIABLE,TIFF_VARIABLE,
+      TIFF_LONG     ,FIELD_JPEGACTABLES          ,FALSE,TRUE ,"JPEGACTables"
+    },
+    {
+      TIFFTAG_WANG_PAGECONTROL      ,TIFF_VARIABLE,1            ,
+      TIFF_LONG     ,FIELD_WANG_PAGECONTROL      ,FALSE,FALSE,"WANG PageControl"
+    },
+
+ /* This is a pseudo tag intended for internal use only by the TIFF Library and
+    its clients, which should never appear in an input/output image file.  It
+    specifies whether the TIFF Library (or its client) should do YCbCr <-> RGB
+    color-space conversion (JPEGCOLORMODE_RAW <=> 0) or whether we should ask
+    the JPEG Library to do it (JPEGCOLORMODE_RGB <=> 1).
+ */
+    {
+      TIFFTAG_JPEGCOLORMODE         ,0            ,0            ,
+      TIFF_ANY      ,FIELD_PSEUDO                ,FALSE,FALSE,"JPEGColorMode"
+    }
+  };
+static const char JPEGLib_name[]={"JPEG Library"},
+                  bad_bps[]={"%u BitsPerSample not allowed for JPEG"},
+                  bad_photometry[]={"PhotometricInterpretation %u not allowed for JPEG"},
+                  bad_subsampling[]={"invalid YCbCr subsampling factor(s)"},
+#                 ifdef never
+                  no_write_frac[]={"fractional scan line discarded"},
+#                 endif
+                  no_read_frac[]={"fractional scan line not read"},
+                  no_jtable_space[]={"No space for JPEGTables"};
+
+/* The following diagnostic subroutines interface with and replace default
+   subroutines in the JPEG Library.  Our basic strategy is to use "setjmp()"/
+   "longjmp()" in order to return control to the TIFF Library when the JPEG
+   library detects an error, and to use TIFF Library subroutines for displaying
+   diagnostic messages to a client application.
+*/
+static void
+TIFFojpeg_error_exit(register j_common_ptr cinfo)
+  { char buffer[JMSG_LENGTH_MAX];
+
+    (*cinfo->err->format_message)(cinfo,buffer);
+    TIFFError(JPEGLib_name,buffer); /* Display error message */
+    jpeg_abort(cinfo); /* Clean up JPEG Library state */
+    LONGJMP(((OJPEGState *)cinfo)->exit_jmpbuf,1); /* Return to TIFF client */
+  }
+
+static void
+TIFFojpeg_output_message(register j_common_ptr cinfo)
+  { char buffer[JMSG_LENGTH_MAX];
+
+ /* This subroutine is invoked only for warning messages, since the JPEG
+    Library's "error_exit" method does its own thing and "trace_level" is never
+    set > 0.
+ */
+    (*cinfo->err->format_message)(cinfo,buffer);
+    TIFFWarning(JPEGLib_name,buffer);
+  }
+
+/* The following subroutines, which also interface with the JPEG Library, exist
+   mainly in limit the side effects of "setjmp()" and convert JPEG normal/error
+   conditions into TIFF Library return codes.
+*/
+#define CALLJPEG(sp,fail,op)(SETJMP((sp)->exit_jmpbuf)?(fail):(op))
+#define CALLVJPEG(sp,op)CALLJPEG(sp,0,((op),1))
+#ifdef never
+
+static int
+TIFFojpeg_create_compress(register OJPEGState *sp)
+  {
+    sp->cinfo.c.err = jpeg_std_error(&sp->err); /* Initialize error handling */
+    sp->err.error_exit = TIFFojpeg_error_exit;
+    sp->err.output_message = TIFFojpeg_output_message;
+    return CALLVJPEG(sp,jpeg_create_compress(&sp->cinfo.c));
+  }
+
+/* The following subroutines comprise a JPEG Library "destination" data manager
+   by directing compressed data from the JPEG Library to a TIFF Library output
+   buffer.
+*/
+static void
+std_init_destination(register j_compress_ptr cinfo){} /* "Dummy" stub */
+
+static boolean
+std_empty_output_buffer(register j_compress_ptr cinfo)
+  {
+#   define sp ((OJPEGState *)cinfo)
+    register TIFF *tif = sp->tif;
+
+    tif->tif_rawcc = tif->tif_rawdatasize; /* Entire buffer has been filled */
+    TIFFFlushData1(tif);
+    sp->dest.next_output_byte = (JOCTET *)tif->tif_rawdata;
+    sp->dest.free_in_buffer = (size_t)tif->tif_rawdatasize;
+    return TRUE;
+#   undef sp
+  }
+
+static void
+std_term_destination(register j_compress_ptr cinfo)
+  {
+#   define sp ((OJPEGState *)cinfo)
+    register TIFF *tif = sp->tif;
+
+ /* NB: The TIFF Library does the final buffer flush. */
+    tif->tif_rawcp = (tidata_t)sp->dest.next_output_byte;
+    tif->tif_rawcc = tif->tif_rawdatasize - (tsize_t)sp->dest.free_in_buffer;
+#   undef sp
+  }
+
+/* Alternate destination manager to output JPEGTables field: */
+
+static void
+tables_init_destination(register j_compress_ptr cinfo)
+  {
+#   define sp ((OJPEGState *)cinfo)
+ /* The "jpegtables_length" field is the allocated buffer size while building */
+    sp->dest.next_output_byte = (JOCTET *)sp->jpegtables;
+    sp->dest.free_in_buffer = (size_t)sp->jpegtables_length;
+#   undef sp
+  }
+
+static boolean
+tables_empty_output_buffer(register j_compress_ptr cinfo)
+  { void *newbuf;
+#   define sp ((OJPEGState *)cinfo)
+
+ /* The entire buffer has been filled, so enlarge it by 1000 bytes. */
+    if (!( newbuf = _TIFFrealloc( (tdata_t)sp->jpegtables
+                                , (tsize_t)(sp->jpegtables_length + 1000)
+                                )
+         )
+       ) ERREXIT1(cinfo,JERR_OUT_OF_MEMORY,100);
+    sp->dest.next_output_byte = (JOCTET *)newbuf + sp->jpegtables_length;
+    sp->dest.free_in_buffer = (size_t)1000;
+    sp->jpegtables = newbuf;
+    sp->jpegtables_length += 1000;
+    return TRUE;
+#   undef sp
+  }
+
+static void
+tables_term_destination(register j_compress_ptr cinfo)
+  {
+#   define sp ((OJPEGState *)cinfo)
+ /* Set tables length to no. of Bytes actually emitted. */
+    sp->jpegtables_length -= sp->dest.free_in_buffer;
+#   undef sp
+  }
+
+/*ARGSUSED*/ static int
+TIFFojpeg_tables_dest(register OJPEGState *sp, TIFF *tif)
+  {
+
+ /* Allocate a working buffer for building tables.  The initial size is 1000
+    Bytes, which is usually adequate.
+ */
+    if (sp->jpegtables) _TIFFfree(sp->jpegtables);
+    if (!(sp->jpegtables = (void*)
+                           _TIFFmalloc((tsize_t)(sp->jpegtables_length = 1000))
+         )
+       )
+      {
+        sp->jpegtables_length = 0;
+        TIFFError("TIFFojpeg_tables_dest",no_jtable_space);
+        return 0;
+      };
+    sp->cinfo.c.dest = &sp->dest;
+    sp->dest.init_destination = tables_init_destination;
+    sp->dest.empty_output_buffer = tables_empty_output_buffer;
+    sp->dest.term_destination = tables_term_destination;
+    return 1;
+  }
+#else /* well, hardly ever */
+
+static int
+_notSupported(register TIFF *tif)
+  { const TIFFCodec *c = TIFFFindCODEC(tif->tif_dir.td_compression);
+
+    TIFFError(tif->tif_name,"%s compression not supported",c->name);
+    return 0;
+  }
+#endif /* never */
+
+/* The following subroutines comprise a JPEG Library "source" data manager by
+   by directing compressed data to the JPEG Library from a TIFF Library input
+   buffer.
+*/
+static void
+std_init_source(register j_decompress_ptr cinfo)
+  {
+#   define sp ((OJPEGState *)cinfo)
+    register TIFF *tif = sp->tif;
+
+    if (sp->src.bytes_in_buffer == 0)
+      {
+        sp->src.next_input_byte = (const JOCTET *)tif->tif_rawdata;
+        sp->src.bytes_in_buffer = (size_t)tif->tif_rawcc;
+      };
+#   undef sp
+  }
+
+static boolean
+std_fill_input_buffer(register j_decompress_ptr cinfo)
+  { static const JOCTET dummy_EOI[2]={0xFF,JPEG_EOI};
+#   define sp ((OJPEGState *)cinfo)
+
+ /* Control should never get here, since an entire strip/tile is read into
+    memory before the decompressor is called; thus, data should have been
+    supplied by the "init_source" method.  ...But, sometimes things fail.
+ */
+    WARNMS(cinfo,JWRN_JPEG_EOF);
+    sp->src.next_input_byte = dummy_EOI; /* Insert a fake EOI marker */
+    sp->src.bytes_in_buffer = sizeof dummy_EOI;
+    return TRUE;
+#   undef sp
+  }
+
+static void
+std_skip_input_data(register j_decompress_ptr cinfo, long num_bytes)
+  {
+#   define sp ((OJPEGState *)cinfo)
+
+    if (num_bytes > 0)
+    {
+      if (num_bytes > (long)sp->src.bytes_in_buffer) /* oops: buffer overrun */
+        (void)std_fill_input_buffer(cinfo);
+      else
+        {
+          sp->src.next_input_byte += (size_t)num_bytes;
+          sp->src.bytes_in_buffer -= (size_t)num_bytes;
+        }
+    }
+#   undef sp
+  }
+
+/*ARGSUSED*/ static void
+std_term_source(register j_decompress_ptr cinfo){} /* "Dummy" stub */
+
+/* Allocate temporary I/O buffers for downsampled data, using values computed in
+   "jpeg_start_{de}compress()".  We use the JPEG Library's allocator so that
+   buffers will be released automatically when done with a strip/tile.  This is
+   also a handy place to compute samplesperclump, bytesperline, etc.
+*/
+static int
+alloc_downsampled_buffers(TIFF *tif,jpeg_component_info *comp_info,
+                          int num_components)
+  { register OJPEGState *sp = OJState(tif);
+
+    sp->samplesperclump = 0;
+    if (num_components > 0)
+      { tsize_t size = sp->cinfo.comm.is_decompressor
+#                    ifdef D_LOSSLESS_SUPPORTED
+                     ? sp->cinfo.d.min_codec_data_unit
+#                    else
+                     ? DCTSIZE
+#                    endif
+#                    ifdef C_LOSSLESS_SUPPORTED
+                     : sp->cinfo.c.data_unit;
+#                    else
+                     : DCTSIZE;
+#                    endif
+        int ci = 0;
+        register jpeg_component_info *compptr = comp_info;
+
+        do
+          { JSAMPARRAY buf;
+
+            sp->samplesperclump +=
+              compptr->h_samp_factor * compptr->v_samp_factor;
+#           if defined(C_LOSSLESS_SUPPORTED) || defined(D_LOSSLESS_SUPPORTED)
+            if (!(buf = CALLJPEG(sp,0,(*sp->cinfo.comm.mem->alloc_sarray)(&sp->cinfo.comm,JPOOL_IMAGE,compptr->width_in_data_units*size,compptr->v_samp_factor*size))))
+#           else
+            if (!(buf = CALLJPEG(sp,0,(*sp->cinfo.comm.mem->alloc_sarray)(&sp->cinfo.comm,JPOOL_IMAGE,compptr->width_in_blocks*size,compptr->v_samp_factor*size))))
+#           endif
+              return 0;
+            sp->ds_buffer[ci] = buf;
+          }
+        while (++compptr,++ci < num_components);
+      };
+    return 1;
+  }
+#ifdef never
+
+/* JPEG Encoding begins here. */
+
+/*ARGSUSED*/ static int
+OJPEGEncode(register TIFF *tif,tidata_t buf,tsize_t cc,tsample_t s)
+  { tsize_t rows;                          /* No. of unprocessed rows in file */
+    register OJPEGState *sp = OJState(tif);
+
+ /* Encode a chunk of pixels, where returned data is NOT down-sampled (the
+    standard case).  The data is expected to be written in scan-line multiples.
+ */
+    if (cc % sp->bytesperline) TIFFWarning(tif->tif_name,no_write_frac);
+    if ( (cc /= bytesperline)      /* No. of complete rows in caller's buffer */
+       > (rows = sp->cinfo.c.image_height - sp->cinfo.c.next_scanline)
+       ) cc = rows;
+    while (--cc >= 0)
+      {
+        if (   CALLJPEG(sp,-1,jpeg_write_scanlines(&sp->cinfo.c,(JSAMPARRAY)&buf,1))
+            != 1
+           ) return 0;
+        ++tif->tif_row;
+        buf += sp->bytesperline;
+      };
+    return 1;
+  }
+
+/*ARGSUSED*/ static int
+OJPEGEncodeRaw(register TIFF *tif,tidata_t buf,tsize_t cc,tsample_t s)
+  { tsize_t rows;                          /* No. of unprocessed rows in file */
+    JDIMENSION lines_per_MCU, size;
+    register OJPEGState *sp = OJState(tif);
+
+ /* Encode a chunk of pixels, where returned data is down-sampled as per the
+    sampling factors.  The data is expected to be written in scan-line
+    multiples.
+ */
+    cc /= sp->bytesperline;
+    if (cc % sp->bytesperline) TIFFWarning(tif->tif_name,no_write_frac);
+    if ( (cc /= bytesperline)      /* No. of complete rows in caller's buffer */
+       > (rows = sp->cinfo.c.image_height - sp->cinfo.c.next_scanline)
+       ) cc = rows;
+#   ifdef C_LOSSLESS_SUPPORTED
+    lines_per_MCU = sp->cinfo.c.max_samp_factor*(size = sp->cinfo.d.data_unit);
+#   else
+    lines_per_MCU = sp->cinfo.c.max_samp_factor*(size = DCTSIZE);
+#   endif
+    while (--cc >= 0)
+      { int ci = 0, clumpoffset = 0;
+        register jpeg_component_info *compptr = sp->cinfo.c.comp_info;
+
+     /* The fastest way to separate the data is to make 1 pass over the scan
+        line for each row of each component.
+     */
+        do
+          { int ypos = 0;
+
+            do
+              { int padding;
+                register JSAMPLE *inptr = (JSAMPLE*)buf + clumpoffset,
+                                 *outptr =
+                  sp->ds_buffer[ci][sp->scancount*compptr->v_samp_factor+ypos];
+             /* Cb,Cr both have sampling factors 1, so this is correct */
+                register int clumps_per_line =
+                  sp->cinfo.c.comp_info[1].downsampled_width,
+                             xpos;
+
+                padding = (int)
+#                         ifdef C_LOSSLESS_SUPPORTED
+                          ( compptr->width_in_data_units * size
+#                         else
+                          ( compptr->width_in_blocks * size
+#                         endif
+                          - clumps_per_line * compptr->h_samp_factor
+                          );
+                if (compptr->h_samp_factor == 1) /* Cb & Cr fast path */
+                  do *outptr++ = *inptr;
+                  while ((inptr += sp->samplesperclump),--clumps_per_line > 0);
+                else /* general case */
+                  do
+                    {
+                      xpos = 0;
+                      do *outptr++ = inptr[xpos];
+                      while (++xpos < compptr->h_samp_factor);
+                    }
+                  while ((inptr += sp->samplesperclump),--clumps_per_line > 0);
+                xpos = 0; /* Pad each scan line as needed */
+                do outptr[0] = outptr[-1]; while (++outptr,++xpos < padding);
+                clumpoffset += compptr->h_samp_factor;
+              }
+            while (++ypos < compptr->v_samp_factor);
+          }
+        while (++compptr,++ci < sp->cinfo.c.num_components);
+        if (++sp->scancount >= size)
+          {
+            if (   CALLJPEG(sp,-1,jpeg_write_raw_data(&sp->cinfo.c,sp->ds_buffer,lines_per_MCU))
+                != lines_per_MCU
+               ) return 0;
+            sp->scancount = 0;
+          };
+        ++tif->tif_row++
+        buf += sp->bytesperline;
+      };
+    return 1;
+  }
+
+static int
+OJPEGSetupEncode(register TIFF *tif)
+  { static const char module[]={"OJPEGSetupEncode"};
+    uint32 segment_height, segment_width;
+    int status = 1;                              /* Assume success by default */
+    register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+ /* Verify miscellaneous parameters.  This will need work if the TIFF Library
+    ever supports different depths for different components, or if the JPEG
+    Library ever supports run-time depth selection.  Neither seems imminent.
+ */
+    if (td->td_bitspersample != 8)
+      {
+        TIFFError(module,bad_bps,td->td_bitspersample);
+        status = 0;
+      };
+
+ /* The TIFF Version 6.0 specification and IJG JPEG Library accept different
+    sets of color spaces, so verify that our image belongs to the common subset
+    and map its photometry code, then initialize to handle subsampling and
+    optional JPEG Library YCbCr <-> RGB color-space conversion.
+ */
+    switch (td->td_photometric)
+      {
+        case PHOTOMETRIC_YCBCR     :
+
+       /* ISO IS 10918-1 requires that JPEG subsampling factors be 1-4, but
+          TIFF Version 6.0 is more restrictive: only 1, 2, and 4 are allowed.
+       */
+          if (   (   td->td_ycbcrsubsampling[0] == 1
+                  || td->td_ycbcrsubsampling[0] == 2
+                  || td->td_ycbcrsubsampling[0] == 4
+                 )
+              && (   td->td_ycbcrsubsampling[1] == 1
+                  || td->td_ycbcrsubsampling[1] == 2
+                  || td->td_ycbcrsubsampling[1] == 4
+                 )
+             )
+            sp->cinfo.c.raw_data_in =
+              ( (sp->h_sampling = td->td_ycbcrsubsampling[0]) << 3
+              | (sp->v_sampling = td->td_ycbcrsubsampling[1])
+              ) != 011;
+          else
+            {
+              TIFFError(module,bad_subsampling);
+              status = 0;
+            };
+
+       /* A ReferenceBlackWhite field MUST be present, since the default value
+          is inapproriate for YCbCr.  Fill in the proper value if the
+          application didn't set it.
+       */
+          if (!TIFFFieldSet(tif,FIELD_REFBLACKWHITE))
+            { float refbw[6];
+              long top = 1L << td->td_bitspersample;
+ 
+              refbw[0] = 0;
+              refbw[1] = (float)(top-1L);
+              refbw[2] = (float)(top>>1);
+              refbw[3] = refbw[1];
+              refbw[4] = refbw[2];
+              refbw[5] = refbw[1];
+              TIFFSetField(tif,TIFFTAG_REFERENCEBLACKWHITE,refbw);
+            };
+          sp->cinfo.c.jpeg_color_space = JCS_YCbCr;
+          if (sp->jpegcolormode == JPEGCOLORMODE_RGB)
+            {
+              sp->cinfo.c.raw_data_in = FALSE;
+              sp->in_color_space = JCS_RGB;
+              break;
+            };
+          goto L2;
+        case PHOTOMETRIC_MINISBLACK:
+          sp->cinfo.c.jpeg_color_space = JCS_GRAYSCALE;
+          goto L1;
+        case PHOTOMETRIC_RGB       :
+          sp->cinfo.c.jpeg_color_space = JCS_RGB;
+          goto L1;
+        case PHOTOMETRIC_SEPARATED :
+          sp->cinfo.c.jpeg_color_space = JCS_CMYK;
+      L1: sp->jpegcolormode = JPEGCOLORMODE_RAW; /* No JPEG Lib. conversion */
+      L2: sp->cinfo.d.in_color_space = sp->cinfo.d.jpeg_color-space;
+          break;
+        default                    :
+          TIFFError(module,bad_photometry,td->td_photometric);
+          status = 0;
+      };
+    tif->tif_encoderow = tif->tif_encodestrip = tif->tif_encodetile =
+      sp->cinfo.c.raw_data_in ? OJPEGEncodeRaw : OJPEGEncode;
+    if (isTiled(tif))
+      { tsize_t size;
+
+#       ifdef C_LOSSLESS_SUPPORTED
+        if ((size = sp->v_sampling*sp->cinfo.c.data_unit) < 16) size = 16;
+#       else
+        if ((size = sp->v_sampling*DCTSIZE) < 16) size = 16;
+#       endif
+        if ((segment_height = td->td_tilelength) % size)
+          {
+            TIFFError(module,"JPEG tile height must be multiple of %d",size);
+            status = 0;
+          };
+#       ifdef C_LOSSLESS_SUPPORTED
+        if ((size = sp->h_sampling*sp->cinfo.c.data_unit) < 16) size = 16;
+#       else
+        if ((size = sp->h_sampling*DCTSIZE) < 16) size = 16;
+#       endif
+        if ((segment_width = td->td_tilewidth) % size)
+          {
+            TIFFError(module,"JPEG tile width must be multiple of %d",size);
+            status = 0;
+          };
+        sp->bytesperline = TIFFTileRowSize(tif);
+      }
+    else
+      { tsize_t size;
+
+#       ifdef C_LOSSLESS_SUPPORTED
+        if ((size = sp->v_sampling*sp->cinfo.c.data_unit) < 16) size = 16;
+#       else
+        if ((size = sp->v_sampling*DCTSIZE) < 16) size = 16;
+#       endif
+        if (td->td_rowsperstrip < (segment_height = td->td_imagelength))
+          {
+            if (td->td_rowsperstrip % size)
+              {
+                TIFFError(module,"JPEG RowsPerStrip must be multiple of %d",size);
+                status = 0;
+              };
+            segment_height = td->td_rowsperstrip;
+          };
+        segment_width = td->td_imagewidth;
+        sp->bytesperline = tif->tif_scanlinesize;
+      };
+    if (segment_width > 65535 || segment_height > 65535)
+      {
+        TIFFError(module,"Strip/tile too large for JPEG");
+        status = 0;
+      };
+
+ /* Initialize all JPEG parameters to default values.  Note that the JPEG
+    Library's "jpeg_set_defaults()" method needs legal values for the
+    "in_color_space" and "input_components" fields.
+ */
+    sp->cinfo.c.input_components = 1; /* Default for JCS_UNKNOWN */
+    if (!CALLVJPEG(sp,jpeg_set_defaults(&sp->cinfo.c))) status = 0;
+    switch (sp->jpegtablesmode & (JPEGTABLESMODE_HUFF|JPEGTABLESMODE_QUANT))
+      { register JHUFF_TBL *htbl;
+        register JQUANT_TBL *qtbl;
+
+        case 0                                       :
+          sp->cinfo.c.optimize_coding = TRUE;
+        case JPEGTABLESMODE_HUFF                     :
+          if (!CALLVJPEG(sp,jpeg_set_quality(&sp->cinfo.c,sp->jpegquality,FALSE)))
+            return 0;
+          if (qtbl = sp->cinfo.c.quant_tbl_ptrs[0]) qtbl->sent_table = FALSE;
+          if (qtbl = sp->cinfo.c.quant_tbl_ptrs[1]) qtbl->sent_table = FALSE;
+          goto L3;
+        case JPEGTABLESMODE_QUANT                    :
+          sp->cinfo.c.optimize_coding = TRUE;
+
+       /* We do not support application-supplied JPEG tables, so mark the field
+          "not present".
+       */
+      L3: TIFFClrFieldBit(tif,FIELD_JPEGTABLES);
+          break;
+        case JPEGTABLESMODE_HUFF|JPEGTABLESMODE_QUANT:
+          if (   !CALLVJPEG(sp,jpeg_set_quality(&sp->cinfo.c,sp->jpegquality,FALSE))
+              || !CALLVJPEG(sp,jpeg_suppress_tables(&sp->cinfo.c,TRUE))
+             )
+            {
+              status = 0;
+              break;
+            };
+          if (qtbl = sp->cinfo.c.quant_tbl_ptrs[0]) qtbl->sent_table = FALSE;
+          if (htbl = sp->cinfo.c.dc_huff_tbl_ptrs[0]) htbl->sent_table = FALSE;
+          if (htbl = sp->cinfo.c.ac_huff_tbl_ptrs[0]) htbl->sent_table = FALSE;
+          if (sp->cinfo.c.jpeg_color_space == JCS_YCbCr)
+            {
+              if (qtbl = sp->cinfo.c.quant_tbl_ptrs[1])
+                qtbl->sent_table = FALSE;
+              if (htbl = sp->cinfo.c.dc_huff_tbl_ptrs[1])
+                htbl->sent_table = FALSE;
+              if (htbl = sp->cinfo.c.ac_huff_tbl_ptrs[1])
+                htbl->sent_table = FALSE;
+            };
+          if (   TIFFojpeg_tables_dest(sp,tif)
+              && CALLVJPEG(sp,jpeg_write_tables(&sp->cinfo.c))
+             )
+            {
+    
+           /* Mark the field "present".  We can't use "TIFFSetField()" because
+              "BEENWRITING" is already set!
+           */
+              TIFFSetFieldBit(tif,FIELD_JPEGTABLES);
+              tif->tif_flags |= TIFF_DIRTYDIRECT;
+            }
+          else status = 0;
+      };
+    if (   sp->cinfo.c.raw_data_in
+        && !alloc_downsampled_buffers(tif,sp->cinfo.c.comp_info,
+                                      sp->cinfo.c.num_components)
+       ) status = 0;
+    if (status == 0) return 0; /* If TIFF errors, don't bother to continue */
+ /* Grab parameters that are same for all strips/tiles. */
+
+    sp->dest.init_destination = std_init_destination;
+    sp->dest.empty_output_buffer = std_empty_output_buffer;
+    sp->dest.term_destination = std_term_destination;
+    sp->cinfo.c.dest = &sp->dest;
+    sp->cinfo.c.data_precision = td->td_bitspersample;
+    sp->cinfo.c.write_JFIF_header = /* Don't write extraneous markers */
+    sp->cinfo.c.write_Adobe_marker = FALSE;
+    sp->cinfo.c.image_width = segment_width;
+    sp->cinfo.c.image_height = segment_height;
+    sp->cinfo.c.comp_info[0].h_samp_factor =
+    sp->cinfo.c.comp_info[0].v_samp_factor = 1;
+    return CALLVJPEG(sp,jpeg_start_compress(&sp->cinfo.c,FALSE));
+#   undef td
+  }
+
+static int
+OJPEGPreEncode(register TIFF *tif,tsample_t s)
+  { register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+ /* If we are about to write the first row of an image plane, which should
+    coincide with a JPEG "scan", reset the JPEG Library's compressor.  Otherwise
+    let the compressor run "as is" and return a "success" status without further
+    ado.
+ */
+    if (     (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip)
+           % td->td_stripsperimage
+        == 0
+       )
+      {
+        if (   (sp->cinfo.c.comp_info[0].component_id = s) == 1)
+            && sp->cinfo.c.jpeg_color_space == JCS_YCbCr
+           )
+          {
+            sp->cinfo.c.comp_info[0].quant_tbl_no =
+            sp->cinfo.c.comp_info[0].dc_tbl_no =
+            sp->cinfo.c.comp_info[0].ac_tbl_no = 1;
+            sp->cinfo.c.comp_info[0].h_samp_factor = sp->h_sampling;
+            sp->cinfo.c.comp_info[0].v_samp_factor = sp->v_sampling;
+    
+         /* Scale expected strip/tile size to match a downsampled component. */
+    
+            sp->cinfo.c.image_width = TIFFhowmany(segment_width,sp->h_sampling);
+            sp->cinfo.c.image_height=TIFFhowmany(segment_height,sp->v_sampling);
+          };
+        sp->scancount = 0; /* Mark subsampling buffer(s) empty */
+      };
+    return 1;
+#   undef td
+  }
+
+static int
+OJPEGPostEncode(register TIFF *tif)
+  { register OJPEGState *sp = OJState(tif);
+
+ /* Finish up at the end of a strip or tile. */
+
+    if (sp->scancount > 0) /* emit partial buffer of down-sampled data */
+      { JDIMENSION n;
+
+#       ifdef C_LOSSLESS_SUPPORTED
+        if (   sp->scancount < sp->cinfo.c.data_unit
+            && sp->cinfo.c.num_components > 0
+           )
+#       else
+        if (sp->scancount < DCTSIZE && sp->cinfo.c.num_components > 0)
+#       endif
+          { int ci = 0,                            /* Pad the data vertically */
+#           ifdef C_LOSSLESS_SUPPORTED
+                size = sp->cinfo.c.data_unit;
+#           else
+                size = DCTSIZE;
+#           endif
+            register jpeg_component_info *compptr = sp->cinfo.c.comp_info;
+
+            do
+#              ifdef C_LOSSLESS_SUPPORTED
+               { tsize_t row_width = compptr->width_in_data_units
+#              else
+                 tsize_t row_width = compptr->width_in_blocks
+#              endif
+                   *size*sizeof(JSAMPLE);
+                 int ypos = sp->scancount*compptr->v_samp_factor;
+
+                 do _TIFFmemcpy( (tdata_t)sp->ds_buffer[ci][ypos]
+                               , (tdata_t)sp->ds_buffer[ci][ypos-1]
+                               , row_width
+                               );
+                 while (++ypos < compptr->v_samp_factor*size);
+               }
+            while (++compptr,++ci < sp->cinfo.c.num_components);
+          };
+        n = sp->cinfo.c.max_v_samp_factor*size;
+        if (CALLJPEG(sp,-1,jpeg_write_raw_data(&sp->cinfo.c,sp->ds_buffer,n)) != n)
+          return 0;
+      };
+    return CALLVJPEG(sp,jpeg_finish_compress(&sp->cinfo.c));
+  }
+#endif /* never */
+
+/* JPEG Decoding begins here. */
+
+/*ARGSUSED*/ static int
+OJPEGDecode(register TIFF *tif,tidata_t buf,tsize_t cc,tsample_t s)
+  { tsize_t bytesperline = isTiled(tif)
+                         ? TIFFTileRowSize(tif)
+                         : tif->tif_scanlinesize,
+            rows;                          /* No. of unprocessed rows in file */
+    register OJPEGState *sp = OJState(tif);
+
+ /* Decode a chunk of pixels, where the input data has not NOT been down-
+    sampled, or else the TIFF Library's client has used the "JPEGColorMode" TIFF
+    pseudo-tag to request that the JPEG Library do color-space conversion; this
+    is the normal case.  The data is expected to be read in scan-line multiples,
+    and this subroutine is called for both pixel-interleaved and separate color
+    planes.
+
+    WARNING:  Unlike "OJPEGDecodeRawContig()", below, the no. of Bytes in each
+              decoded row is calculated here as "bytesperline" instead of
+    using "sp->bytesperline", which might be a little smaller.  This can
+    occur for an old tiled image whose width isn't a multiple of 8 pixels.
+    That's illegal according to the TIFF Version 6 specification, but some
+    test files, like "zackthecat.tif", were built that way.  In those cases,
+    we want to embed the image's true width in our caller's buffer (which is
+    presumably allocated according to the expected tile width) by
+    effectively "padding" it with unused Bytes at the end of each row.
+ */
+    if ( (cc /= bytesperline)      /* No. of complete rows in caller's buffer */
+       > (rows = sp->cinfo.d.output_height - sp->cinfo.d.output_scanline)
+       ) cc = rows;
+    while (--cc >= 0)
+      {
+        if (   CALLJPEG(sp,-1,jpeg_read_scanlines(&sp->cinfo.d,(JSAMPARRAY)&buf,1))
+            != 1
+           ) return 0;
+        buf += bytesperline;
+        ++tif->tif_row;
+      };
+
+ /* BEWARE OF KLUDGE:  If our input file was produced by Microsoft's Wang
+                       Imaging for Windows application, the DC coefficients of
+    each JPEG image component (Y,Cb,Cr) must be reset at the end of each TIFF
+    "strip", and any JPEG data bits remaining in the current Byte of the
+    decoder's input buffer must be discarded.  To do so, we create an "ad hoc"
+    interface in the "jdhuff.c" module of IJG JPEG Library Version 6 (module
+    "jdshuff.c", if Ken Murchison's lossless-Huffman patch is applied), and we
+    invoke that interface here after decoding each "strip".
+ */
+    if (sp->is_WANG) jpeg_reset_huff_decode(&sp->cinfo.d);
+    return 1;
+  }
+
+/*ARGSUSED*/ static int
+OJPEGDecodeRawContig(register TIFF *tif,tidata_t buf,tsize_t cc,tsample_t s)
+  { tsize_t rows;                          /* No. of unprocessed rows in file */
+    JDIMENSION lines_per_MCU, size;
+    register OJPEGState *sp = OJState(tif);
+
+ /* Decode a chunk of pixels, where the input data has pixel-interleaved color
+    planes, some of which have been down-sampled, but the TIFF Library's client
+    has NOT used the "JPEGColorMode" TIFF pseudo-tag to request that the JPEG
+    Library do color-space conversion.  In other words, we must up-sample/
+    expand/duplicate image components according to the image's sampling factors,
+    without changing its color space.  The data is expected to be read in scan-
+    line multiples.
+ */
+    if ( (cc /= sp->bytesperline)  /* No. of complete rows in caller's buffer */
+       > (rows = sp->cinfo.d.output_height - sp->cinfo.d.output_scanline)
+       ) cc = rows;
+    lines_per_MCU = sp->cinfo.d.max_v_samp_factor
+#   ifdef D_LOSSLESS_SUPPORTED
+                  * (size = sp->cinfo.d.min_codec_data_unit);
+#   else
+                  * (size = DCTSIZE);
+#   endif
+    while (--cc >= 0)
+      { int clumpoffset, ci;
+        register jpeg_component_info *compptr;
+
+        if (sp->scancount >= size) /* reload downsampled-data buffers */
+          {
+            if (   CALLJPEG(sp,-1,jpeg_read_raw_data(&sp->cinfo.d,sp->ds_buffer,lines_per_MCU))
+                != lines_per_MCU
+               ) return 0;
+            sp->scancount = 0;
+          };
+
+     /* The fastest way to separate the data is: make 1 pass over the scan
+        line for each row of each component.
+     */
+        clumpoffset = ci = 0;
+        compptr = sp->cinfo.d.comp_info;
+        do
+          { int ypos = 0;
+
+            if (compptr->h_samp_factor == 1) /* fast path */
+              do
+                { register JSAMPLE *inptr =
+                    sp->ds_buffer[ci][sp->scancount*compptr->v_samp_factor+ypos],
+                                   *outptr = (JSAMPLE *)buf + clumpoffset;
+                  register int clumps_per_line = compptr->downsampled_width;
+
+                  do *outptr = *inptr++;
+                  while ((outptr += sp->samplesperclump),--clumps_per_line > 0);
+                }
+              while ( (clumpoffset += compptr->h_samp_factor)
+                    , ++ypos < compptr->v_samp_factor
+                    );
+            else /* general case */
+              do
+                { register JSAMPLE *inptr =
+                    sp->ds_buffer[ci][sp->scancount*compptr->v_samp_factor+ypos],
+                                   *outptr = (JSAMPLE *)buf + clumpoffset;
+                  register int clumps_per_line = compptr->downsampled_width;
+
+                  do
+                    { register int xpos = 0;
+
+                      do outptr[xpos] = *inptr++;
+                      while (++xpos < compptr->h_samp_factor);
+                    }
+                  while ((outptr += sp->samplesperclump),--clumps_per_line > 0);
+                }
+              while ( (clumpoffset += compptr->h_samp_factor)
+                    , ++ypos < compptr->v_samp_factor
+                    );
+          }
+        while (++compptr,++ci < sp->cinfo.d.num_components);
+        ++sp->scancount;
+        buf += sp->bytesperline;
+        ++tif->tif_row;
+      };
+
+ /* BEWARE OF KLUDGE:  If our input file was produced by Microsoft's Wang
+                       Imaging for Windows application, the DC coefficients of
+    each JPEG image component (Y,Cb,Cr) must be reset at the end of each TIFF
+    "strip", and any JPEG data bits remaining in the current Byte of the
+    decoder's input buffer must be discarded.  To do so, we create an "ad hoc"
+    interface in the "jdhuff.c" module of IJG JPEG Library Version 6 (module
+    "jdshuff.c", if Ken Murchison's lossless-Huffman patch is applied), and we
+    invoke that interface here after decoding each "strip".
+ */
+    if (sp->is_WANG) jpeg_reset_huff_decode(&sp->cinfo.d);
+    return 1;
+  }
+
+/*ARGSUSED*/ static int
+OJPEGDecodeRawSeparate(TIFF *tif,register tidata_t buf,tsize_t cc,tsample_t s)
+  { tsize_t rows;                          /* No. of unprocessed rows in file */
+    JDIMENSION lines_per_MCU,
+               size,                                             /* ...of MCU */
+               v;                   /* Component's vertical up-sampling ratio */
+    register OJPEGState *sp = OJState(tif);
+    register jpeg_component_info *compptr = sp->cinfo.d.comp_info + s;
+
+ /* Decode a chunk of pixels, where the input data has separate color planes,
+    some of which have been down-sampled, but the TIFF Library's client has NOT
+    used the "JPEGColorMode" TIFF pseudo-tag to request that the JPEG Library
+    do color-space conversion.  The data is expected to be read in scan-line
+    multiples.
+ */
+    v = sp->cinfo.d.max_v_samp_factor/compptr->v_samp_factor;
+    if ( (cc /= compptr->downsampled_width) /* No. of rows in caller's buffer */
+       > (rows = (sp->cinfo.d.output_height-sp->cinfo.d.output_scanline+v-1)/v)
+       ) cc = rows; /* No. of rows of "clumps" to read */
+    lines_per_MCU = sp->cinfo.d.max_v_samp_factor
+#   ifdef D_LOSSLESS_SUPPORTED
+                  * (size = sp->cinfo.d.min_codec_data_unit);
+#   else
+                  * (size = DCTSIZE);
+#   endif
+ L: if (sp->scancount >= size) /* reload downsampled-data buffers */
+      {
+        if (   CALLJPEG(sp,-1,jpeg_read_raw_data(&sp->cinfo.d,sp->ds_buffer,lines_per_MCU))
+            != lines_per_MCU
+           ) return 0;
+        sp->scancount = 0;
+      };
+    rows = 0;
+    do
+      { register JSAMPLE *inptr =
+          sp->ds_buffer[s][sp->scancount*compptr->v_samp_factor + rows];
+        register int clumps_per_line = compptr->downsampled_width;
+
+        do *buf++ = *inptr++; while (--clumps_per_line > 0); /* Copy scanline */
+        tif->tif_row += v;
+        if (--cc <= 0) return 1; /* End of caller's buffer? */
+      }
+    while (++rows < compptr->v_samp_factor);
+    ++sp->scancount;
+    goto L;
+  }
+
+/* "OJPEGSetupDecode()" temporarily forces the JPEG Library to use the following
+   subroutine as a "dummy" input reader in order to fool the library into
+   thinking that it has read the image's first "Start of Scan" (SOS) marker, so
+   that it initializes accordingly.
+*/
+/*ARGSUSED*/ METHODDEF(int)
+fake_SOS_marker(j_decompress_ptr cinfo){return JPEG_REACHED_SOS;}
+
+/*ARGSUSED*/ METHODDEF(int)
+suspend(j_decompress_ptr cinfo){return JPEG_SUSPENDED;}
+
+/* The JPEG Library's "null" color-space converter actually re-packs separate
+   color planes (it's native image representation) into a pixel-interleaved,
+   contiguous plane.  But if our TIFF Library client is tryng to process a
+   PLANARCONFIG_SEPARATE image, we don't want that; so here are modifications of
+   code in the JPEG Library's "jdcolor.c" file, which simply copy Bytes to a
+   color plane specified by the current JPEG "scan".
+*/
+METHODDEF(void)
+ycc_rgb_convert(register j_decompress_ptr cinfo,JSAMPIMAGE in,JDIMENSION row,
+                register JSAMPARRAY out,register int nrows)
+  { typedef struct                /* "jdcolor.c" color-space conversion state */
+      {
+
+     /* WARNING:  This declaration is ugly and dangerous!  It's supposed to be
+                  private to the JPEG Library's "jdcolor.c" module, but we also
+        need it here.  Since the library's copy might change without notice, be
+        sure to keep this one synchronized or the following code will break!
+     */
+        struct jpeg_color_deconverter pub; /* Public fields */
+     /* Private state for YCC->RGB conversion */
+        int *Cr_r_tab,   /* ->Cr to R conversion table */
+            *Cb_b_tab;   /* ->Cb to B conversion table */
+        INT32 *Cr_g_tab, /* ->Cr to G conversion table */
+              *Cb_g_tab; /* ->Cb to G conversion table */
+      } *my_cconvert_ptr;
+    my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
+    JSAMPARRAY irow0p = in[0] + row;
+    register JSAMPLE *range_limit = cinfo->sample_range_limit;
+    register JSAMPROW outp, Y;
+
+    switch (cinfo->output_scan_number - 1)
+      { JSAMPARRAY irow1p, irow2p;
+        register INT32 *table0, *table1;
+        SHIFT_TEMPS
+
+        case RGB_RED  : irow2p = in[2] + row;
+                        table0 = (INT32 *)cconvert->Cr_r_tab;
+                        while (--nrows >= 0)
+                          { register JSAMPROW Cr = *irow2p++;
+                             register int i = cinfo->output_width;
+
+                             Y = *irow0p++;
+                             outp = *out++;
+                             while (--i >= 0)
+                               *outp++ = range_limit[*Y++ + table0[*Cr++]];
+                          };
+                        return;
+        case RGB_GREEN: irow1p = in[1] + row;
+                        irow2p = in[2] + row;
+                        table0 = cconvert->Cb_g_tab;
+                        table1 = cconvert->Cr_g_tab;
+                        while (--nrows >= 0)
+                          { register JSAMPROW Cb = *irow1p++,
+                                              Cr = *irow2p++;
+                             register int i = cinfo->output_width;
+
+                             Y = *irow0p++;
+                             outp = *out++;
+                             while (--i >= 0)
+                               *outp++ =
+                                 range_limit[ *Y++
+                                            + RIGHT_SHIFT(table0[*Cb++]+table1[*Cr++],16)
+                                            ];
+                          };
+                        return;
+        case RGB_BLUE : irow1p = in[1] + row;
+                        table0 = (INT32 *)cconvert->Cb_b_tab;
+                        while (--nrows >= 0)
+                          { register JSAMPROW Cb = *irow1p++;
+                             register int i = cinfo->output_width;
+
+                             Y = *irow0p++;
+                             outp = *out++;
+                             while (--i >= 0)
+                               *outp++ = range_limit[*Y++ + table0[*Cb++]];
+                          }
+      }
+  }
+
+METHODDEF(void)
+null_convert(register j_decompress_ptr cinfo,JSAMPIMAGE in,JDIMENSION row,
+             register JSAMPARRAY out,register int nrows)
+  { register JSAMPARRAY irowp = in[cinfo->output_scan_number - 1] + row;
+
+    while (--nrows >= 0) _TIFFmemcpy(*out++,*irowp++,cinfo->output_width);
+  }
+
+static int
+OJPEGSetupDecode(register TIFF *tif)
+  { static char module[]={"OJPEGSetupDecode"};
+    J_COLOR_SPACE jpeg_color_space,   /* Color space of JPEG-compressed image */
+                  out_color_space;       /* Color space of decompressed image */
+    uint32 segment_width;
+    int status = 1;                              /* Assume success by default */
+    boolean downsampled_output=FALSE, /* <=> Want JPEG Library's "raw" image? */
+            is_JFIF;                                       /* <=> JFIF image? */
+    register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+ /* Verify miscellaneous parameters.  This will need work if the TIFF Library
+    ever supports different depths for different components, or if the JPEG
+    Library ever supports run-time depth selection.  Neither seems imminent.
+ */
+    if (td->td_bitspersample != sp->cinfo.d.data_precision)
+      {
+        TIFFError(module,bad_bps,td->td_bitspersample);
+        status = 0;
+      };
+
+ /* The TIFF Version 6.0 specification and IJG JPEG Library accept different
+    sets of color spaces, so verify that our image belongs to the common subset
+    and map its photometry code, then initialize to handle subsampling and
+    optional JPEG Library YCbCr <-> RGB color-space conversion.
+ */
+    switch (td->td_photometric)
+      {
+        case PHOTOMETRIC_YCBCR     :
+
+       /* ISO IS 10918-1 requires that JPEG subsampling factors be 1-4, but
+          TIFF Version 6.0 is more restrictive: only 1, 2, and 4 are allowed.
+       */
+          if (   (   td->td_ycbcrsubsampling[0] == 1
+                  || td->td_ycbcrsubsampling[0] == 2
+                  || td->td_ycbcrsubsampling[0] == 4
+                 )
+              && (   td->td_ycbcrsubsampling[1] == 1
+                  || td->td_ycbcrsubsampling[1] == 2
+                  || td->td_ycbcrsubsampling[1] == 4
+                 )
+             )
+            downsampled_output =
+              (
+                (sp->h_sampling = td->td_ycbcrsubsampling[0]) << 3
+              | (sp->v_sampling = td->td_ycbcrsubsampling[1])
+              ) != 011;
+          else
+            {
+              TIFFError(module,bad_subsampling);
+              status = 0;
+            };
+          jpeg_color_space = JCS_YCbCr;
+          if (sp->jpegcolormode == JPEGCOLORMODE_RGB)
+            {
+              downsampled_output = FALSE;
+              out_color_space = JCS_RGB;
+              break;
+            };
+          goto L2;
+        case PHOTOMETRIC_MINISBLACK:
+          jpeg_color_space = JCS_GRAYSCALE;
+          goto L1;
+        case PHOTOMETRIC_RGB       :
+          jpeg_color_space = JCS_RGB;
+          goto L1;
+        case PHOTOMETRIC_SEPARATED :
+          jpeg_color_space = JCS_CMYK;
+      L1: sp->jpegcolormode = JPEGCOLORMODE_RAW; /* No JPEG Lib. conversion */
+      L2: out_color_space = jpeg_color_space;
+          break;
+        default                    :
+          TIFFError(module,bad_photometry,td->td_photometric);
+          status = 0;
+      };
+    if (status == 0) return 0; /* If TIFF errors, don't bother to continue */
+
+ /* Set parameters that are same for all strips/tiles. */
+
+    sp->cinfo.d.src = &sp->src;
+    sp->src.init_source = std_init_source;
+    sp->src.fill_input_buffer = std_fill_input_buffer;
+    sp->src.skip_input_data = std_skip_input_data;
+    sp->src.resync_to_restart = jpeg_resync_to_restart;
+    sp->src.term_source = std_term_source;
+
+ /* BOGOSITY ALERT!  The Wang Imaging application for Microsoft Windows produces
+                     images containing "JPEGInterchangeFormat[Length]" TIFF
+    records that resemble JFIF-in-TIFF encapsulations but, in fact, violate the
+    TIFF Version 6 specification in several ways; nevertheless, we try to handle
+    them gracefully because there are apparently a lot of them around.  The
+    purported "JFIF" data stream in one of these files vaguely resembles a JPEG
+    "tables only" data stream, except that there's no trailing EOI marker.  The
+    rest of the JPEG data stream lies in a discontiguous file region, identified
+    by the 0th Strip offset (which is *also* illegal!), where it begins with an
+    SOS marker and apparently continues to the end of the file.  There is no
+    trailing EOI marker here, either.
+ */
+    is_JFIF = !sp->is_WANG && TIFFFieldSet(tif,FIELD_JPEGIFOFFSET);
+
+ /* Initialize decompression parameters that won't be overridden by JPEG Library
+    defaults set during the "jpeg_read_header()" call, below.
+ */
+    segment_width = td->td_imagewidth;
+    if (isTiled(tif))
+      {
+        if (sp->is_WANG) /* we don't know how to handle it */
+          {
+            TIFFError(module,"Tiled Wang image not supported");
+            return 0;
+          };
+
+     /* BOGOSITY ALERT!  "TIFFTileRowSize()" seems to work fine for modern JPEG-
+                         in-TIFF encapsulations where the image width--like the
+        tile width--is a multiple of 8 or 16 pixels.  But image widths and
+        heights are aren't restricted to 8- or 16-bit multiples, and we need
+        the exact Byte count of decompressed scan lines when we call the JPEG
+        Library.  At least one old file ("zackthecat.tif") in the TIFF Library
+        test suite has widths and heights slightly less than the tile sizes, and
+        it apparently used the bogus computation below to determine the number
+        of Bytes per scan line (was this due to an old, broken version of
+        "TIFFhowmany()"?).  Before we get here, "OJPEGSetupDecode()" verified
+        that our image uses 8-bit samples, so the following check appears to
+        return the correct answer in all known cases tested to date.
+     */
+        if (is_JFIF || (segment_width & 7) == 0)
+          sp->bytesperline = TIFFTileRowSize(tif); /* Normal case */
+        else
+          {
+            /* Was the file-encoder's segment-width calculation bogus? */
+            segment_width = (segment_width/sp->h_sampling + 1) * sp->h_sampling;
+            sp->bytesperline = segment_width * td->td_samplesperpixel;
+          }
+      }
+    else sp->bytesperline = TIFFVStripSize(tif,1);
+
+ /* BEWARE OF KLUDGE:  If we have JPEG Interchange File Format (JFIF) image,
+                       then we want to read "metadata" in the bit-stream's
+    header and validate it against corresponding information in TIFF records.
+    But if we have a *really old* JPEG file that's not JFIF, then we simply
+    assign TIFF-record values to JPEG Library variables without checking.
+ */
+    if (is_JFIF) /* JFIF image */
+      { unsigned char *end_of_data;
+        int subsampling_factors;
+        register unsigned char *p;
+        register int i;
+
+     /* WARNING:  Although the image file contains a JFIF bit stream, it might
+                  also contain some old TIFF records causing "OJPEGVSetField()"
+        to have allocated quantization or Huffman decoding tables.  But when the
+        JPEG Library reads and parses the JFIF header below, it reallocate these
+        tables anew without checking for "dangling" pointers, thereby causing a
+        memory "leak".  We have enough information to potentially deallocate the
+        old tables here, but unfortunately JPEG Library Version 6B uses a "pool"
+        allocator for small objects, with no deallocation procedure; instead, it
+        reclaims a whole pool when an image is closed/destroyed, so well-behaved
+        TIFF client applications (i.e., those which close their JPEG images as
+        soon as they're no longer needed) will waste memory for a short time but
+        recover it eventually.  But ill-behaved TIFF clients (i.e., those which
+        keep many JPEG images open gratuitously) can exhaust memory prematurely.
+        If the JPEG Library ever implements a deallocation procedure, insert
+        this clean-up code:
+     */
+#       ifdef someday
+        if (sp->jpegtablesmode & JPEGTABLESMODE_QUANT) /* free quant. tables */
+          { register int i = 0;
+
+            do
+              { register JQUANT_TBL *q;
+
+                if (q = sp->cinfo.d.quant_tbl_ptrs[i])
+                  {
+                    jpeg_free_small(&sp->cinfo.comm,q,sizeof *q);
+                    sp->cinfo.d.quant_tbl_ptrs[i] = 0;
+                  }
+              }
+            while (++i < NUM_QUANT_TBLS);
+          };
+        if (sp->jpegtablesmode & JPEGTABLESMODE_HUFF) /* free Huffman tables */
+          { register int i = 0;
+
+            do
+              { register JHUFF_TBL *h;
+
+                if (h = sp->cinfo.d.dc_huff_tbl_ptrs[i])
+                  {
+                    jpeg_free_small(&sp->cinfo.comm,h,sizeof *h);
+                    sp->cinfo.d.dc_huff_tbl_ptrs[i] = 0;
+                  };
+                if (h = sp->cinfo.d.ac_huff_tbl_ptrs[i])
+                  {
+                    jpeg_free_small(&sp->cinfo.comm,h,sizeof *h);
+                    sp->cinfo.d.ac_huff_tbl_ptrs[i] = 0;
+                  }
+              }
+            while (++i < NUM_HUFF_TBLS);
+          };
+#       endif /* someday */
+
+     /* Since we might someday wish to try rewriting "old format" JPEG-in-TIFF
+        encapsulations in "new format" files, try to synthesize the value of a
+        modern "JPEGTables" TIFF record by scanning the JPEG data from just past
+        the "Start of Information" (SOI) marker until something other than a
+        legitimate "table" marker is found, as defined in ISO IS 10918-1
+        Appending B.2.4; namely:
+
+        -- Define Quantization Table (DQT)
+        -- Define Huffman Table (DHT)
+        -- Define Arithmetic Coding table (DAC)
+        -- Define Restart Interval (DRI)
+        -- Comment (COM)
+        -- Application data (APPn)
+
+        For convenience, we also accept "Expansion" (EXP) markers, although they
+        are apparently not a part of normal "table" data.
+     */
+        sp->jpegtables = p = (unsigned char *)sp->src.next_input_byte;
+        end_of_data = p + sp->src.bytes_in_buffer;
+        p += 2;
+        while (p < end_of_data && p[0] == 0xFF)
+          switch (p[1])
+            {
+              default  : goto L;
+              case 0xC0: /* SOF0  */
+              case 0xC1: /* SOF1  */
+              case 0xC2: /* SOF2  */
+              case 0xC3: /* SOF3  */
+              case 0xC4: /* DHT   */
+              case 0xC5: /* SOF5  */
+              case 0xC6: /* SOF6  */
+              case 0xC7: /* SOF7  */
+              case 0xC9: /* SOF9  */
+              case 0xCA: /* SOF10 */
+              case 0xCB: /* SOF11 */
+              case 0xCC: /* DAC   */
+              case 0xCD: /* SOF13 */
+              case 0xCE: /* SOF14 */
+              case 0xCF: /* SOF15 */
+              case 0xDB: /* DQT   */
+              case 0xDD: /* DRI   */
+              case 0xDF: /* EXP   */
+              case 0xE0: /* APP0  */
+              case 0xE1: /* APP1  */
+              case 0xE2: /* APP2  */
+              case 0xE3: /* APP3  */
+              case 0xE4: /* APP4  */
+              case 0xE5: /* APP5  */
+              case 0xE6: /* APP6  */
+              case 0xE7: /* APP7  */
+              case 0xE8: /* APP8  */
+              case 0xE9: /* APP9  */
+              case 0xEA: /* APP10 */
+              case 0xEB: /* APP11 */
+              case 0xEC: /* APP12 */
+              case 0xED: /* APP13 */
+              case 0xEE: /* APP14 */
+              case 0xEF: /* APP15 */
+              case 0xFE: /* COM   */
+                         p += (p[2] << 8 | p[3]) + 2;
+            };
+     L: if (p - (unsigned char *)sp->jpegtables > 2) /* fake "JPEGTables" */
+          {
+
+         /* In case our client application asks, pretend that this image file
+            contains a modern "JPEGTables" TIFF record by copying to a buffer
+            the initial part of the JFIF bit-stream that we just scanned, from
+            the SOI marker through the "metadata" tables, then append an EOI
+            marker and flag the "JPEGTables" TIFF record as "present".
+         */
+            sp->jpegtables_length = p - (unsigned char*)sp->jpegtables + 2;
+            p = sp->jpegtables;
+            if (!(sp->jpegtables = _TIFFmalloc(sp->jpegtables_length)))
+              {
+                TIFFError(module,no_jtable_space);
+                return 0;
+              };
+            _TIFFmemcpy(sp->jpegtables,p,sp->jpegtables_length-2);
+            p = (unsigned char *)sp->jpegtables + sp->jpegtables_length;
+            p[-2] = 0xFF; p[-1] = JPEG_EOI; /* Append EOI marker */
+            TIFFSetFieldBit(tif,FIELD_JPEGTABLES);
+            tif->tif_flags |= TIFF_DIRTYDIRECT;
+          }
+        else sp->jpegtables = 0; /* Don't simulate "JPEGTables" */
+        if (   CALLJPEG(sp,-1,jpeg_read_header(&sp->cinfo.d,TRUE))
+            != JPEG_HEADER_OK
+           ) return 0;
+        if (   sp->cinfo.d.image_width  != segment_width
+            || sp->cinfo.d.image_height != td->td_imagelength 
+           )
+          {
+            TIFFError(module,"Improper JPEG strip/tile size");
+            return 0;
+          };
+        if (sp->cinfo.d.num_components != td->td_samplesperpixel)
+          {
+            TIFFError(module,"Improper JPEG component count");
+            return 0;
+          };
+        if (sp->cinfo.d.data_precision != td->td_bitspersample)
+          {
+            TIFFError(module,"Improper JPEG data precision");
+            return 0;
+          };
+
+     /* Check that JPEG image components all have the same subsampling factors
+        declared (or defaulted) in the TIFF file, since TIFF Version 6.0 is more
+        restrictive than JPEG:  Only the 0th component may have horizontal and
+        vertical subsampling factors other than <1,1>.
+     */
+        subsampling_factors = sp->h_sampling << 3 | sp->v_sampling;
+        i = 0;
+        do
+          {
+            if (   ( sp->cinfo.d.comp_info[i].h_samp_factor << 3
+                   | sp->cinfo.d.comp_info[i].v_samp_factor
+                   )
+                != subsampling_factors
+               )
+              {
+                TIFFError(module,"Improper JPEG subsampling factors");
+                return 0;
+              };
+            subsampling_factors = 011; /* Required for image components > 0 */
+          }
+        while (++i < sp->cinfo.d.num_components);
+      }
+    else /* not JFIF image */
+      { int (*save)(j_decompress_ptr cinfo) = sp->cinfo.d.marker->read_markers;
+        register int i;
+
+     /* We're not assuming that this file's JPEG bit stream has any header
+        "metadata", so fool the JPEG Library into thinking that we read a
+        "Start of Input" (SOI) marker and a "Start of Frame" (SOFx) marker, then
+        force it to read a simulated "Start of Scan" (SOS) marker when we call
+        "jpeg_read_header()" below.  This should cause the JPEG Library to
+        establish reasonable defaults.
+     */
+        sp->cinfo.d.marker->saw_SOI =       /* Pretend we saw SOI marker */
+        sp->cinfo.d.marker->saw_SOF = TRUE; /* Pretend we saw SOF marker */
+        sp->cinfo.d.marker->read_markers =
+          sp->is_WANG ? suspend : fake_SOS_marker;
+        sp->cinfo.d.global_state = DSTATE_INHEADER;
+        sp->cinfo.d.Se = DCTSIZE2-1; /* Suppress JPEG Library warning */
+        sp->cinfo.d.image_width  = segment_width;
+        sp->cinfo.d.image_height = td->td_imagelength;
+
+     /* The following color-space initialization, including the complicated
+        "switch"-statement below, essentially duplicates the logic used by the
+        JPEG Library's "jpeg_init_colorspace()" subroutine during compression.
+     */
+        sp->cinfo.d.num_components = td->td_samplesperpixel;
+        sp->cinfo.d.comp_info = (jpeg_component_info *)
+          (*sp->cinfo.d.mem->alloc_small)
+            ( &sp->cinfo.comm
+            , JPOOL_IMAGE
+            , sp->cinfo.d.num_components * sizeof *sp->cinfo.d.comp_info
+            );
+        i = 0;
+        do
+          {
+            sp->cinfo.d.comp_info[i].component_index = i;
+            sp->cinfo.d.comp_info[i].component_needed = TRUE;
+            sp->cinfo.d.cur_comp_info[i] = &sp->cinfo.d.comp_info[i];
+          }
+        while (++i < sp->cinfo.d.num_components);
+        switch (jpeg_color_space)
+          {
+            case JCS_UNKNOWN  :
+              i = 0;
+              do
+                {
+                  sp->cinfo.d.comp_info[i].component_id = i;
+                  sp->cinfo.d.comp_info[i].h_samp_factor =
+                  sp->cinfo.d.comp_info[i].v_samp_factor = 1;
+                }
+              while (++i < sp->cinfo.d.num_components);
+              break;
+            case JCS_GRAYSCALE:
+              sp->cinfo.d.comp_info[0].component_id =
+              sp->cinfo.d.comp_info[0].h_samp_factor =
+              sp->cinfo.d.comp_info[0].v_samp_factor = 1;
+              break;
+            case JCS_RGB      :
+              sp->cinfo.d.comp_info[0].component_id = 'R';
+              sp->cinfo.d.comp_info[1].component_id = 'G';
+              sp->cinfo.d.comp_info[2].component_id = 'B';
+              i = 0;
+              do sp->cinfo.d.comp_info[i].h_samp_factor =
+                 sp->cinfo.d.comp_info[i].v_samp_factor = 1;
+              while (++i < sp->cinfo.d.num_components);
+              break;
+            case JCS_CMYK     :
+              sp->cinfo.d.comp_info[0].component_id = 'C';
+              sp->cinfo.d.comp_info[1].component_id = 'M';
+              sp->cinfo.d.comp_info[2].component_id = 'Y';
+              sp->cinfo.d.comp_info[3].component_id = 'K';
+              i = 0;
+              do sp->cinfo.d.comp_info[i].h_samp_factor =
+                 sp->cinfo.d.comp_info[i].v_samp_factor = 1;
+              while (++i < sp->cinfo.d.num_components);
+              break;
+            case JCS_YCbCr    :
+              i = 0;
+              do
+                {
+                  sp->cinfo.d.comp_info[i].component_id = i+1;
+                  sp->cinfo.d.comp_info[i].h_samp_factor =
+                  sp->cinfo.d.comp_info[i].v_samp_factor = 1;
+                  sp->cinfo.d.comp_info[i].quant_tbl_no =
+                  sp->cinfo.d.comp_info[i].dc_tbl_no =
+                  sp->cinfo.d.comp_info[i].ac_tbl_no = i > 0;
+                }
+              while (++i < sp->cinfo.d.num_components);
+              sp->cinfo.d.comp_info[0].h_samp_factor = sp->h_sampling;
+              sp->cinfo.d.comp_info[0].v_samp_factor = sp->v_sampling;
+          };
+        sp->cinfo.d.comps_in_scan = td->td_planarconfig == PLANARCONFIG_CONTIG
+                                  ? sp->cinfo.d.num_components
+                                  : 1;
+        i = CALLJPEG(sp,-1,jpeg_read_header(&sp->cinfo.d,!sp->is_WANG));
+        sp->cinfo.d.marker->read_markers = save; /* Restore input method */
+        if (sp->is_WANG) /* produced by Wang Imaging on Microsoft Windows */
+          {
+            if (i != JPEG_SUSPENDED) return 0;
+
+         /* BOGOSITY ALERT!  Files prooduced by the Wang Imaging application for
+                             Microsoft Windows are a special--and, technically
+            illegal--case.  A JPEG SOS marker and rest of the data stream should
+            be located at the end of the file, in a position identified by the
+            0th Strip offset.
+         */
+            i = td->td_nstrips - 1;
+            sp->src.next_input_byte = tif->tif_base + td->td_stripoffset[0];
+            sp->src.bytes_in_buffer = td->td_stripoffset[i] -
+              td->td_stripoffset[0] + td->td_stripbytecount[i];
+            i = CALLJPEG(sp,-1,jpeg_read_header(&sp->cinfo.d,TRUE));
+          };
+        if (i != JPEG_HEADER_OK) return 0;
+      };
+
+ /* Some of our initialization must wait until the JPEG Library is initialized
+    above, in order to override its defaults.
+ */
+    if (   (sp->cinfo.d.raw_data_out = downsampled_output)
+        && !alloc_downsampled_buffers(tif,sp->cinfo.d.comp_info,
+                                      sp->cinfo.d.num_components)
+       ) return 0;
+    sp->cinfo.d.jpeg_color_space = jpeg_color_space;
+    sp->cinfo.d.out_color_space = out_color_space;
+    sp->cinfo.d.dither_mode = JDITHER_NONE; /* Reduce image "noise" */
+    sp->cinfo.d.two_pass_quantize = FALSE;
+
+ /* If the image consists of separate, discontiguous TIFF "samples" (= color
+    planes, hopefully = JPEG "scans"), then we must use the JPEG Library's
+    "buffered image" mode to decompress the entire image into temporary buffers,
+    because the JPEG Library must parse the entire JPEG bit-stream in order to
+    be satsified that it has a complete set of color components for each pixel,
+    but the TIFF Library must allow our client to extract 1 component at a time.
+    Initializing the JPEG Library's "buffered image" mode is tricky:  First, we
+    start its decompressor, then we tell the decompressor to "consume" (i.e.,
+    buffer) the entire bit-stream.
+
+    WARNING:  Disabling "fancy" up-sampling seems to slightly reduce "noise" for
+              certain old Wang Imaging files, but it absolutely *must* be
+    enabled if the image has separate color planes, since in that case, the JPEG
+    Library doesn't use an "sp->cinfo.d.cconvert" structure (so de-referencing
+    this pointer below will cause a fatal crash) but writing our own code to up-
+    sample separate color planes is too much work for right now.  Maybe someday?
+ */
+    sp->cinfo.d.do_fancy_upsampling = /* Always let this default (to TRUE)? */
+    sp->cinfo.d.buffered_image = td->td_planarconfig == PLANARCONFIG_SEPARATE;
+    if (!CALLJPEG(sp,0,jpeg_start_decompress(&sp->cinfo.d))) return 0;
+    if (sp->cinfo.d.buffered_image) /* separate color planes */
+      {
+        if (sp->cinfo.d.raw_data_out)
+          tif->tif_decoderow = tif->tif_decodestrip = tif->tif_decodetile =
+            OJPEGDecodeRawSeparate;
+        else
+          {
+            tif->tif_decoderow = tif->tif_decodestrip = tif->tif_decodetile =
+              OJPEGDecode;
+
+         /* In JPEG Library Version 6B, color-space conversion isn't implemented
+            for separate color planes, so we must do it ourself if our TIFF
+            client doesn't want to:
+         */
+            sp->cinfo.d.cconvert->color_convert =
+              sp->cinfo.d.jpeg_color_space == sp->cinfo.d.out_color_space
+              ? null_convert : ycc_rgb_convert;
+          };
+    L3: switch (CALLJPEG(sp,0,jpeg_consume_input(&sp->cinfo.d)))
+          {
+            default              : goto L3;
+
+         /* If no JPEG "End of Information" (EOI) marker is found when bit-
+            stream parsing ends, check whether we have enough data to proceed
+            before reporting an error.
+         */
+            case JPEG_SUSPENDED  : if (  sp->cinfo.d.input_scan_number
+                                        *sp->cinfo.d.image_height
+                                       + sp->cinfo.d.input_iMCU_row
+                                        *sp->cinfo.d.max_v_samp_factor
+#                                       ifdef D_LOSSLESS_SUPPORTED
+                                        *sp->cinfo.d.data_units_in_MCU
+                                        *sp->cinfo.d.min_codec_data_unit
+#                                       else
+                                        *sp->cinfo.d.blocks_in_MCU
+                                        *DCTSIZE
+#                                       endif
+                                      < td->td_samplesperpixel
+                                       *sp->cinfo.d.image_height
+                                      )
+                                     {
+                                       TIFFError(tif->tif_name,
+                                         "Premature end of JPEG bit-stream");
+                                       return 0;
+                                     }
+            case JPEG_REACHED_EOI: ;
+          }
+      }
+    else /* pixel-interleaved color planes */
+      tif->tif_decoderow = tif->tif_decodestrip = tif->tif_decodetile =
+        downsampled_output ? OJPEGDecodeRawContig : OJPEGDecode;
+    return 1;
+#   undef td
+  }
+
+static int
+OJPEGPreDecode(register TIFF *tif,tsample_t s)
+  { register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+ /* If we are about to read the first row of an image plane (hopefully, these
+    are coincident with JPEG "scans"!), reset the JPEG Library's decompressor
+    appropriately.  Otherwise, let the decompressor run "as is" and return a
+    "success" status without further ado.
+ */
+    if (     (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip)
+           % td->td_stripsperimage
+        == 0
+       )
+      {
+        if (   sp->cinfo.d.buffered_image
+            && !CALLJPEG(sp,0,jpeg_start_output(&sp->cinfo.d,s+1))
+           ) return 0;
+        sp->cinfo.d.output_scanline = 0;
+
+     /* Mark subsampling buffers "empty". */
+
+#       ifdef D_LOSSLESS_SUPPORTED
+        sp->scancount = sp->cinfo.d.min_codec_data_unit;
+#       else
+        sp->scancount = DCTSIZE;
+#       endif
+      };
+    return 1;
+#   undef td
+  }
+
+/*ARGSUSED*/ static void
+OJPEGPostDecode(register TIFF *tif,tidata_t buf,tsize_t cc)
+  { register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+ /* The JPEG Library decompressor has reached the end of a strip/tile.  If this
+    is the end of a TIFF image "sample" (= JPEG "scan") in a file with separate
+    components (color planes), then end the "scan".  If it ends the image's last
+    sample/scan, then also stop the JPEG Library's decompressor.
+ */
+    if (sp->cinfo.d.output_scanline >= sp->cinfo.d.output_height)
+      {
+        if (sp->cinfo.d.buffered_image)
+          CALLJPEG(sp,-1,jpeg_finish_output(&sp->cinfo.d)); /* End JPEG scan */
+        if (   (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip)
+            >= td->td_nstrips-1
+           ) CALLJPEG(sp,0,jpeg_finish_decompress(&sp->cinfo.d));
+      }
+#   undef td
+  }
+
+static int
+OJPEGVSetField(register TIFF *tif,ttag_t tag,va_list ap)
+{
+    uint32 v32;
+    register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+    toff_t tiffoff=0;
+    uint32 bufoff=0;
+    uint32 code_count=0;
+    int i2=0;
+    int k2=0;
+
+    switch (tag)
+      {
+
+     /* If a "ReferenceBlackWhite" TIFF tag appears in the file explicitly, undo
+        any modified default definition that we might have installed below, then
+        install the real one.
+     */
+        case TIFFTAG_REFERENCEBLACKWHITE   : if (td->td_refblackwhite)
+                                               {
+                                                 _TIFFfree(td->td_refblackwhite);
+                                                 td->td_refblackwhite = 0;
+                                               };
+        default                            : return
+                                               (*sp->vsetparent)(tif,tag,ap);
+
+     /* BEWARE OF KLUDGE:  Some old-format JPEG-in-TIFF files, including those
+                           produced by the Wang Imaging application for Micro-
+        soft Windows, illegally omit a "ReferenceBlackWhite" TIFF tag, even
+        though the TIFF specification's default is intended for the RGB color
+        space and is inappropriate for the YCbCr color space ordinarily used for
+        JPEG images.  Since many TIFF client applications request the value of
+        this tag immediately after a TIFF image directory is parsed, and before
+        any other code in this module receives control, we are forced to fix
+        this problem very early in image-file processing.  Fortunately, legal
+        TIFF files are supposed to store their tags in numeric order, so a
+        mandatory "PhotometricInterpretation" tag should always appear before
+        an optional "ReferenceBlackWhite" tag.  Hence, we slyly peek ahead when
+        we discover the desired photometry, by installing modified black and
+        white reference levels.
+     */
+        case TIFFTAG_PHOTOMETRIC           :
+          if (   (v32 = (*sp->vsetparent)(tif,tag,ap))
+              && td->td_photometric == PHOTOMETRIC_YCBCR
+             )
+         {
+            if ( (td->td_refblackwhite = _TIFFmalloc(6*sizeof(float))) )
+              { register long top = 1 << td->td_bitspersample;
+
+                td->td_refblackwhite[0] = 0;
+                td->td_refblackwhite[1] = td->td_refblackwhite[3] =
+                td->td_refblackwhite[5] = top - 1;
+                td->td_refblackwhite[2] = td->td_refblackwhite[4] = top >> 1;
+              }
+            else
+              {
+                TIFFError(tif->tif_name,
+                  "Cannot set default reference black and white levels");
+                v32 = 0;
+              };
+         }
+          return v32;
+
+     /* BEWARE OF KLUDGE:  According to Charles Auer <Bumble731@msn.com>, if our
+                           input is a multi-image (multi-directory) JPEG-in-TIFF
+        file is produced by the Wang Imaging application on Microsoft Windows,
+        for some reason the first directory excludes the vendor-specific "WANG
+        PageControl" tag (32934) that we check below, so the only other way to
+        identify these directories is apparently to look for a software-
+        identification tag with the substring, "Wang Labs".  Single-image files
+        can apparently pass both tests, which causes no harm here, but what a
+        mess this is!
+     */
+        case TIFFTAG_SOFTWARE              :
+        {
+            char *software;
+
+            v32 = (*sp->vsetparent)(tif,tag,ap);
+            if( TIFFGetField( tif, TIFFTAG_SOFTWARE, &software )
+                && strstr( software, "Wang Labs" ) )
+                sp->is_WANG = 1;
+            return v32;
+        }
+
+        case TIFFTAG_JPEGPROC              :
+        case TIFFTAG_JPEGIFOFFSET          :
+        case TIFFTAG_JPEGIFBYTECOUNT       :
+        case TIFFTAG_JPEGRESTARTINTERVAL   :
+        case TIFFTAG_JPEGLOSSLESSPREDICTORS:
+        case TIFFTAG_JPEGPOINTTRANSFORM    :
+        case TIFFTAG_JPEGQTABLES           :
+        case TIFFTAG_JPEGDCTABLES          :
+        case TIFFTAG_JPEGACTABLES          :
+        case TIFFTAG_WANG_PAGECONTROL      :
+        case TIFFTAG_JPEGCOLORMODE         : ;
+      };
+    v32 = va_arg(ap,uint32); /* No. of values in this TIFF record */
+
+    /* This switch statement is added for OJPEGVSetField */
+    if(v32 !=0){
+        switch(tag){
+            case TIFFTAG_JPEGPROC:
+                sp->jpegproc=v32;
+                break;
+            case TIFFTAG_JPEGIFOFFSET:
+                sp->jpegifoffset=v32;
+               break;
+            case TIFFTAG_JPEGIFBYTECOUNT:
+               sp->jpegifbytecount=v32;
+               break;
+            case TIFFTAG_JPEGRESTARTINTERVAL:
+               sp->jpegrestartinterval=v32;
+               break;
+            case TIFFTAG_JPEGLOSSLESSPREDICTORS:
+               sp->jpeglosslesspredictors_length=v32;
+               break;
+            case TIFFTAG_JPEGPOINTTRANSFORM:
+               sp->jpegpointtransform_length=v32;
+               break;
+            case TIFFTAG_JPEGQTABLES:
+               sp->jpegqtables_length=v32;
+               break;
+            case TIFFTAG_JPEGACTABLES:
+               sp->jpegactables_length=v32;
+               break;
+            case TIFFTAG_JPEGDCTABLES:
+               sp->jpegdctables_length=v32;
+               break;
+            default:
+               break;
+        }
+    }
+
+ /* BEWARE:  The following actions apply only if we are reading a "source" TIFF
+             image to be decompressed for a client application program.  If we
+    ever enhance this file's CODEC to write "destination" JPEG-in-TIFF images,
+    we'll need an "if"- and another "switch"-statement below, because we'll
+    probably want to store these records' values in some different places.  Most
+    of these need not be parsed here in order to decode JPEG bit stream, so we
+    set boolean flags to note that they have been seen, but we otherwise ignore
+    them.
+ */
+    switch (tag)
+      { JHUFF_TBL **h;
+
+     /* Validate the JPEG-process code. */
+
+        case TIFFTAG_JPEGPROC              :
+          switch (v32)
+            {
+              default               : TIFFError(tif->tif_name,
+                                        "Unknown JPEG process");
+                                      return 0;
+#             ifdef C_LOSSLESS_SUPPORTED
+
+           /* Image uses (lossy) baseline sequential coding. */
+
+              case JPEGPROC_BASELINE: sp->cinfo.d.process = JPROC_SEQUENTIAL;
+                                      sp->cinfo.d.data_unit = DCTSIZE;
+                                      break;
+
+           /* Image uses (lossless) Huffman coding. */
+
+              case JPEGPROC_LOSSLESS: sp->cinfo.d.process = JPROC_LOSSLESS;
+                                      sp->cinfo.d.data_unit = 1;
+#             else /* not C_LOSSLESS_SUPPORTED */
+              case JPEGPROC_LOSSLESS: TIFFError(JPEGLib_name,
+                                        "Does not support lossless Huffman coding");
+                                      return 0;
+              case JPEGPROC_BASELINE: ;
+#             endif /* C_LOSSLESS_SUPPORTED */
+            };
+          break;
+
+     /* The TIFF Version 6.0 specification says that if the value of a TIFF
+        "JPEGInterchangeFormat" record is 0, then we are to behave as if this
+        record were absent; i.e., the data does *not* represent a JPEG Inter-
+        change Format File (JFIF), so don't even set the boolean "I've been
+        here" flag below.  Otherwise, the field's value represents the file
+        offset of the JPEG SOI marker.
+     */
+        case TIFFTAG_JPEGIFOFFSET          :
+          if (v32)
+            {
+              sp->src.next_input_byte = tif->tif_base + v32;
+              break;
+            };
+          return 1;
+        case TIFFTAG_JPEGIFBYTECOUNT       :
+          sp->src.bytes_in_buffer = v32;
+          break;
+
+     /* The TIFF Version 6.0 specification says that if the JPEG "Restart"
+        marker interval is 0, then the data has no "Restart" markers; i.e., we
+        must behave as if this TIFF record were absent.  So, don't even set the
+        boolean "I've been here" flag below.
+     */
+     /*
+      * Instead, set the field bit so TIFFGetField can get whether or not
+      * it was set.
+      */
+        case TIFFTAG_JPEGRESTARTINTERVAL   :
+          if (v32)
+              sp->cinfo.d.restart_interval = v32;
+              break;
+     /* The TIFF Version 6.0 specification says that this tag is supposed to be
+        a vector containing a value for each image component, but for lossless
+        Huffman coding (the only JPEG process defined by the specification for
+        which this tag should be needed), ISO IS 10918-1 uses only a single
+        value, equivalent to the "Ss" field in a JPEG bit-stream's "Start of
+        Scan" (SOS) marker.  So, we extract the first vector element and ignore
+        the rest.  (I hope this is correct!)
+     */
+        case TIFFTAG_JPEGLOSSLESSPREDICTORS:
+           if (v32)
+             {
+               sp->cinfo.d.Ss = *va_arg(ap,uint16 *);
+               sp->jpeglosslesspredictors = 
+                   _TIFFmalloc(sp->jpeglosslesspredictors_length
+                               * sizeof(uint16));
+               if(sp->jpeglosslesspredictors==NULL){return(0);}
+               for(i2=0;i2<sp->jpeglosslesspredictors_length;i2++){
+                ((uint16*)sp->jpeglosslesspredictors)[i2] =
+                       ((uint16*)sp->cinfo.d.Ss)[i2];
+               }
+               sp->jpeglosslesspredictors_length*=sizeof(uint16);
+               break;
+             };
+           return v32;
+
+     /* The TIFF Version 6.0 specification says that this tag is supposed to be
+        a vector containing a value for each image component, but for lossless
+        Huffman coding (the only JPEG process defined by the specification for
+        which this tag should be needed), ISO IS 10918-1 uses only a single
+        value, equivalent to the "Al" field in a JPEG bit-stream's "Start of
+        Scan" (SOS) marker.  So, we extract the first vector element and ignore
+        the rest.  (I hope this is correct!)
+     */
+        case TIFFTAG_JPEGPOINTTRANSFORM    :
+           if (v32)
+             {
+               sp->cinfo.d.Al = *va_arg(ap,uint16 *);
+               sp->jpegpointtransform =
+                   _TIFFmalloc(sp->jpegpointtransform_length*sizeof(uint16));
+               if(sp->jpegpointtransform==NULL){return(0);}
+               for(i2=0;i2<sp->jpegpointtransform_length;i2++) {
+                ((uint16*)sp->jpegpointtransform)[i2] =
+                       ((uint16*)sp->cinfo.d.Al)[i2];
+               }
+               sp->jpegpointtransform_length*=sizeof(uint16);
+               break;
+             }
+           return v32;
+
+     /* We have a vector of offsets to quantization tables, so load 'em! */
+
+        case TIFFTAG_JPEGQTABLES           :
+          if (v32)
+            { uint32 *v;
+              int i;
+              if (v32 > NUM_QUANT_TBLS)
+                {
+                  TIFFError(tif->tif_name,"Too many quantization tables");
+                  return 0;
+                };
+              i = 0;
+              v = va_arg(ap,uint32 *);
+                sp->jpegqtables=_TIFFmalloc(64*sp->jpegqtables_length);
+                if(sp->jpegqtables==NULL){return(0);}
+                tiffoff = TIFFSeekFile(tif, 0, SEEK_CUR);
+                bufoff=0;
+                for(i2=0;i2<sp->jpegqtables_length;i2++){
+                    TIFFSeekFile(tif, v[i2], SEEK_SET);
+                    TIFFReadFile(tif, &(((u_char*)(sp->jpegqtables))[bufoff]),
+                                64);
+                    bufoff+=64;
+                }
+                sp->jpegqtables_length=bufoff;
+                TIFFSeekFile(tif, tiffoff, SEEK_SET);
+
+              do /* read quantization table */
+                { register UINT8 *from = tif->tif_base + *v++;
+                  register UINT16 *to;
+                  register int j = DCTSIZE2;
+
+                  if (!( sp->cinfo.d.quant_tbl_ptrs[i]
+                       = CALLJPEG(sp,0,jpeg_alloc_quant_table(&sp->cinfo.comm))
+                       )
+                     )
+                    {
+                      TIFFError(JPEGLib_name,"No space for quantization table");
+                      return 0;
+                    };
+                  to = sp->cinfo.d.quant_tbl_ptrs[i]->quantval;
+                  do *to++ = *from++; while (--j > 0);
+                }
+              while (++i < v32);
+              sp->jpegtablesmode |= JPEGTABLESMODE_QUANT;
+            };
+          break;
+
+     /* We have a vector of offsets to DC Huffman tables, so load 'em! */
+
+        case TIFFTAG_JPEGDCTABLES          :
+          h = sp->cinfo.d.dc_huff_tbl_ptrs;
+          goto L;
+
+     /* We have a vector of offsets to AC Huffman tables, so load 'em! */
+
+        case TIFFTAG_JPEGACTABLES          :
+          h = sp->cinfo.d.ac_huff_tbl_ptrs;
+       L: if (v32)
+            { uint32 *v;
+              int i;
+              if (v32 > NUM_HUFF_TBLS)
+                {
+                  TIFFError(tif->tif_name,"Too many Huffman tables");
+                  return 0;
+                };
+              v = va_arg(ap,uint32 *);
+                if(tag == TIFFTAG_JPEGDCTABLES) {
+                    sp->jpegdctables=_TIFFmalloc(272*sp->jpegdctables_length);
+                    if(sp->jpegdctables==NULL){return(0);}
+                    tiffoff = TIFFSeekFile(tif, 0, SEEK_CUR);
+                    bufoff=0;
+                    code_count=0;                
+                    for(i2=0;i2<sp->jpegdctables_length;i2++){
+                        TIFFSeekFile(tif, v[i2], SEEK_SET);
+                        TIFFReadFile(tif,
+                                    &(((u_char*)(sp->jpegdctables))[bufoff]),
+                                    16);
+                        code_count=0;
+                        for(k2=0;k2<16;k2++){
+                            code_count+=((u_char*)(sp->jpegdctables))[k2+bufoff];
+                        }
+                        TIFFReadFile(tif,
+                                    &(((u_char*)(sp->jpegdctables))[bufoff+16]),
+                                    code_count);
+                        bufoff+=16;
+                        bufoff+=code_count;
+                    }
+                    sp->jpegdctables_length=bufoff;
+                    TIFFSeekFile(tif, tiffoff, SEEK_SET);
+                }
+                if(tag==TIFFTAG_JPEGACTABLES){
+                    sp->jpegactables=_TIFFmalloc(272*sp->jpegactables_length);
+                    if(sp->jpegactables==NULL){return(0);}
+                    tiffoff = TIFFSeekFile(tif, 0, SEEK_CUR);
+                    bufoff=0;
+                    code_count=0;                
+                    for(i2=0;i2<sp->jpegactables_length;i2++){
+                        TIFFSeekFile(tif, v[i2], SEEK_SET);
+                        TIFFReadFile(tif, &(((unsigned char*)(sp->jpegactables))[bufoff]), 16);
+                        code_count=0;
+                        for(k2=0;k2<16;k2++){
+                            code_count+=((unsigned char*)(sp->jpegactables))[k2+bufoff];
+                        }
+                        TIFFReadFile(tif, &(((unsigned char*)(sp->jpegactables))[bufoff+16]), code_count);
+                        bufoff+=16;
+                        bufoff+=code_count;
+                    }
+                    sp->jpegactables_length=bufoff;
+                    TIFFSeekFile(tif, tiffoff, SEEK_SET);
+                }
+              i = 0;
+              do /* copy each Huffman table */
+                { int size = 0;
+                  register UINT8 *from = tif->tif_base + *v++, *to;
+                  register int j = sizeof (*h)->bits;
+
+               /* WARNING:  This code relies on the fact that an image file not
+                            "memory mapped" was read entirely into a single
+                  buffer by "TIFFInitOJPEG()", so we can do a fast memory-to-
+                  memory copy here.  Each table consists of 16 Bytes, which are
+                  suffixed to a 0 Byte when copied, followed by a variable
+                  number of Bytes whose length is the sum of the first 16.
+               */
+                  if (!( *h
+                       = CALLJPEG(sp,0,jpeg_alloc_huff_table(&sp->cinfo.comm))
+                       )
+                     )
+                    {
+                      TIFFError(JPEGLib_name,"No space for Huffman table");
+                      return 0;
+                    };
+                  to = (*h++)->bits;
+                  *to++ = 0;
+                  while (--j > 0) size += *to++ = *from++; /* Copy 16 Bytes */
+                  if (size > sizeof (*h)->huffval/sizeof *(*h)->huffval)
+                    {
+                      TIFFError(tif->tif_name,"Huffman table too big");
+                      return 0;
+                    };
+                  if ((j = size) > 0) do *to++ = *from++; while (--j > 0);
+                  while (++size <= sizeof (*h)->huffval/sizeof *(*h)->huffval)
+                    *to++ = 0; /* Zero the rest of the table for cleanliness */
+                }
+              while (++i < v32);
+              sp->jpegtablesmode |= JPEGTABLESMODE_HUFF;
+            };
+          break;
+
+     /* The following vendor-specific TIFF tag occurs in (highly illegal) files
+        produced by the Wang Imaging application for Microsoft Windows.  These
+        can apparently have several "pages", in which case this tag specifies
+        the offset of a "page control" structure, which we don't currently know
+        how to handle.  0 indicates a 1-page image with no "page control", which
+        we make a feeble effort to handle.
+     */
+        case TIFFTAG_WANG_PAGECONTROL      :
+          if (v32 == 0) v32 = -1;
+          sp->is_WANG = v32;
+          tag = TIFFTAG_JPEGPROC+FIELD_WANG_PAGECONTROL-FIELD_JPEGPROC;
+          break;
+
+     /* This pseudo tag indicates whether our caller is expected to do YCbCr <->
+        RGB color-space conversion (JPEGCOLORMODE_RAW <=> 0) or whether we must
+        ask the JPEG Library to do it (JPEGCOLORMODE_RGB <=> 1).
+     */
+        case TIFFTAG_JPEGCOLORMODE         :
+          sp->jpegcolormode = v32;
+
+       /* Mark the image to indicate whether returned data is up-sampled, so
+          that "TIFF{Strip,Tile}Size()" reflect the true amount of data present.
+       */
+          v32 = tif->tif_flags; /* Save flags temporarily */
+          tif->tif_flags &= ~TIFF_UPSAMPLED;
+          if (   td->td_photometric == PHOTOMETRIC_YCBCR
+              &&    (td->td_ycbcrsubsampling[0]<<3 | td->td_ycbcrsubsampling[1])
+                 != 011
+              && sp->jpegcolormode == JPEGCOLORMODE_RGB
+             ) tif->tif_flags |= TIFF_UPSAMPLED;
+
+       /* If the up-sampling state changed, re-calculate tile size. */
+
+          if ((tif->tif_flags ^ v32) & TIFF_UPSAMPLED)
+            {
+              tif->tif_tilesize = TIFFTileSize(tif);
+              tif->tif_flags |= TIFF_DIRTYDIRECT;
+            };
+          return 1;
+      };
+    TIFFSetFieldBit(tif,tag-TIFFTAG_JPEGPROC+FIELD_JPEGPROC);
+    return 1;
+#   undef td
+  }
+
+static int
+OJPEGVGetField(register TIFF *tif,ttag_t tag,va_list ap)
+  { register OJPEGState *sp = OJState(tif);
+
+    switch (tag)
+      {
+
+     /* If this file has managed to synthesize a set of consolidated "metadata"
+        tables for the current (post-TIFF Version 6.0 specification) JPEG-in-
+        TIFF encapsulation strategy, then tell our caller about them; otherwise,
+        keep mum.
+     */
+        case TIFFTAG_JPEGTABLES            :
+          if (sp->jpegtables_length) /* we have "new"-style JPEG tables */
+            {
+              *va_arg(ap,uint32 *) = sp->jpegtables_length;
+              *va_arg(ap,char **) = sp->jpegtables;
+              return 1;
+            };
+
+     /* This pseudo tag indicates whether our caller is expected to do YCbCr <->
+        RGB color-space conversion (JPEGCOLORMODE_RAW <=> 0) or whether we must
+        ask the JPEG Library to do it (JPEGCOLORMODE_RGB <=> 1).
+     */
+        case TIFFTAG_JPEGCOLORMODE         :
+          *va_arg(ap,uint32 *) = sp->jpegcolormode;
+          return 1;
+
+     /* The following tags are defined by the TIFF Version 6.0 specification
+        and are obsolete.  If our caller asks for information about them, do not
+        return anything, even if we parsed them in an old-format "source" image.
+     */
+        case TIFFTAG_JPEGPROC              :
+               *va_arg(ap, uint16*)=sp->jpegproc;
+               return(1);
+               break;
+        case TIFFTAG_JPEGIFOFFSET          :
+               *va_arg(ap, uint32*)=sp->jpegifoffset;
+               return(1);
+               break;
+        case TIFFTAG_JPEGIFBYTECOUNT       :
+               *va_arg(ap, uint32*)=sp->jpegifbytecount;
+               return(1);
+               break;
+        case TIFFTAG_JPEGRESTARTINTERVAL   :
+               *va_arg(ap, uint32*)=sp->jpegrestartinterval;
+               return(1);
+               break;
+        case TIFFTAG_JPEGLOSSLESSPREDICTORS:
+                *va_arg(ap, uint32*)=sp->jpeglosslesspredictors_length;
+                *va_arg(ap, void**)=sp->jpeglosslesspredictors;
+                return(1);
+                break;
+        case TIFFTAG_JPEGPOINTTRANSFORM    :
+                *va_arg(ap, uint32*)=sp->jpegpointtransform_length;
+                *va_arg(ap, void**)=sp->jpegpointtransform;
+                return(1);
+                break;
+        case TIFFTAG_JPEGQTABLES           :
+                *va_arg(ap, uint32*)=sp->jpegqtables_length;
+                *va_arg(ap, void**)=sp->jpegqtables;
+                return(1);
+                break;
+        case TIFFTAG_JPEGDCTABLES          :
+                *va_arg(ap, uint32*)=sp->jpegdctables_length;
+                *va_arg(ap, void**)=sp->jpegdctables;
+                return(1);
+                break;
+        case TIFFTAG_JPEGACTABLES          : 
+                *va_arg(ap, uint32*)=sp->jpegactables_length;
+                *va_arg(ap, void**)=sp->jpegactables;
+                return(1);
+                break;
+      };
+    return (*sp->vgetparent)(tif,tag,ap);
+  }
+
+static void
+OJPEGPrintDir(register TIFF *tif,FILE *fd,long flags)
+  { register OJPEGState *sp = OJState(tif);
+
+    if (   ( flags
+           & (TIFFPRINT_JPEGQTABLES|TIFFPRINT_JPEGDCTABLES|TIFFPRINT_JPEGACTABLES)
+           )
+        && sp->jpegtables_length
+       )
+      fprintf(fd,"  JPEG Table Data: <present>, %lu bytes\n",
+        sp->jpegtables_length);
+  }
+
+static uint32
+OJPEGDefaultStripSize(register TIFF *tif,register uint32 s)
+  { register OJPEGState *sp = OJState(tif);
+#   define td (&tif->tif_dir)
+
+    if ((s = (*sp->defsparent)(tif,s)) < td->td_imagelength)
+      { register tsize_t size = sp->cinfo.comm.is_decompressor
+#                             ifdef D_LOSSLESS_SUPPORTED
+                              ? sp->cinfo.d.min_codec_data_unit
+#                             else
+                              ? DCTSIZE
+#                             endif
+#                             ifdef C_LOSSLESS_SUPPORTED
+                              : sp->cinfo.c.data_unit;
+#                             else
+                              : DCTSIZE;
+#                             endif
+
+        size = TIFFroundup(size,16);
+        s = TIFFroundup(s,td->td_ycbcrsubsampling[1]*size);
+      };
+    return s;
+#   undef td
+  }
+
+static void
+OJPEGDefaultTileSize(register TIFF *tif,register uint32 *tw,register uint32 *th)
+  { register OJPEGState *sp = OJState(tif);
+    register tsize_t size;
+#   define td (&tif->tif_dir)
+
+    size = sp->cinfo.comm.is_decompressor
+#        ifdef D_LOSSLESS_SUPPORTED
+         ? sp->cinfo.d.min_codec_data_unit
+#        else
+         ? DCTSIZE
+#        endif
+#        ifdef C_LOSSLESS_SUPPORTED
+         : sp->cinfo.c.data_unit;
+#        else
+         : DCTSIZE;
+#        endif
+    size = TIFFroundup(size,16);
+    (*sp->deftparent)(tif,tw,th);
+    *tw = TIFFroundup(*tw,td->td_ycbcrsubsampling[0]*size);
+    *th = TIFFroundup(*th,td->td_ycbcrsubsampling[1]*size);
+#   undef td
+  }
+
+static void
+OJPEGCleanUp(register TIFF *tif)
+  { register OJPEGState *sp;
+
+    if ( (sp = OJState(tif)) )
+      {
+        CALLVJPEG(sp,jpeg_destroy(&sp->cinfo.comm)); /* Free JPEG Lib. vars. */
+        if (sp->jpegtables) {_TIFFfree(sp->jpegtables);sp->jpegtables=0;}
+        if (sp->jpeglosslesspredictors) {
+               _TIFFfree(sp->jpeglosslesspredictors);
+               sp->jpeglosslesspredictors = 0;
+       }
+        if (sp->jpegpointtransform) {
+               _TIFFfree(sp->jpegpointtransform);
+               sp->jpegpointtransform=0;
+       }
+        if (sp->jpegqtables) {_TIFFfree(sp->jpegqtables);sp->jpegqtables=0;}
+        if (sp->jpegactables) {_TIFFfree(sp->jpegactables);sp->jpegactables=0;}
+        if (sp->jpegdctables) {_TIFFfree(sp->jpegdctables);sp->jpegdctables=0;}
+     /* If the image file isn't "memory mapped" and we read it all into a
+        single, large memory buffer, free the buffer now.
+     */
+        if (!isMapped(tif) && tif->tif_base) /* free whole-file buffer */
+          {
+            _TIFFfree(tif->tif_base);
+            tif->tif_base = 0;
+            tif->tif_size = 0;
+          };
+        _TIFFfree(sp); /* Release local variables */
+        tif->tif_data = 0;
+      }
+  }
+
+int
+TIFFInitOJPEG(register TIFF *tif,int scheme)
+  { register OJPEGState *sp;
+#   define td (&tif->tif_dir)
+#   ifndef never
+
+ /* This module supports a decompression-only CODEC, which is intended strictly
+    for viewing old image files using the obsolete JPEG-in-TIFF encapsulation
+    specified by the TIFF Version 6.0 specification.  It does not, and never
+    should, support compression for new images.  If a client application asks us
+    to, refuse and complain loudly!
+ */
+    if (tif->tif_mode != O_RDONLY) return _notSupported(tif);
+#   endif /* never */
+    if (!isMapped(tif))
+      {
+
+     /* BEWARE OF KLUDGE:  If our host operating-system doesn't let an image
+                           file be "memory mapped", then we want to read the
+        entire file into a single (possibly large) memory buffer as if it had
+        been "memory mapped".  Although this is likely to waste space, because
+        analysis of the file's content might cause parts of it to be read into
+        smaller buffers duplicatively, it appears to be the lesser of several
+        evils.  Very old JPEG-in-TIFF encapsulations aren't guaranteed to be
+        JFIF bit streams, or to have a TIFF "JPEGTables" record or much other
+        "metadata" to help us locate the decoding tables and entropy-coded data,
+        so we're likely do a lot of random-access grokking around, and we must
+        ultimately tell the JPEG Library to sequentially scan much of the file
+        anyway.  This is all likely to be easier if we use "brute force" to
+        read the entire file, once, and don't use incremental disc I/O.  If our
+        client application tries to process a file so big that we can't buffer
+        it entirely, then tough shit: we'll give up and exit!
+     */
+        if (!(tif->tif_base = _TIFFmalloc(tif->tif_size=TIFFGetFileSize(tif))))
+          {
+            TIFFError(tif->tif_name,"Cannot allocate file buffer");
+            return 0;
+          };
+        if (!SeekOK(tif,0) || !ReadOK(tif,tif->tif_base,tif->tif_size))
+          {
+            TIFFError(tif->tif_name,"Cannot read file");
+            return 0;
+          }
+      };
+
+ /* Allocate storage for this module's per-file variables. */
+
+    if (!(tif->tif_data = (tidata_t)_TIFFmalloc(sizeof *sp)))
+      {
+        TIFFError("TIFFInitOJPEG","No space for JPEG state block");
+        return 0;
+      };
+    (sp = OJState(tif))->tif = tif; /* Initialize reverse pointer */
+    sp->cinfo.d.err = jpeg_std_error(&sp->err); /* Initialize error handling */
+    sp->err.error_exit = TIFFojpeg_error_exit;
+    sp->err.output_message = TIFFojpeg_output_message;
+    if (!CALLVJPEG(sp,jpeg_create_decompress(&sp->cinfo.d))) return 0;
+
+ /* Install CODEC-specific tag information and override default TIFF Library
+    "method" subroutines with our own, CODEC-specific methods.  Like all good
+    members of an object-class, we save some of these subroutine pointers for
+    "fall back" in case our own methods fail.
+ */
+    _TIFFMergeFieldInfo(tif,ojpegFieldInfo,
+      sizeof ojpegFieldInfo/sizeof *ojpegFieldInfo);
+    sp->defsparent = tif->tif_defstripsize;
+    sp->deftparent = tif->tif_deftilesize;
+    sp->vgetparent = tif->tif_tagmethods.vgetfield;
+    sp->vsetparent = tif->tif_tagmethods.vsetfield;
+    tif->tif_defstripsize = OJPEGDefaultStripSize;
+    tif->tif_deftilesize = OJPEGDefaultTileSize;
+    tif->tif_tagmethods.vgetfield = OJPEGVGetField;
+    tif->tif_tagmethods.vsetfield = OJPEGVSetField;
+    tif->tif_tagmethods.printdir = OJPEGPrintDir;
+#   ifdef never
+    tif->tif_setupencode = OJPEGSetupEncode;
+    tif->tif_preencode = OJPEGPreEncode;
+    tif->tif_postencode = OJPEGPostEncode;
+#   else /* well, hardly ever */
+    tif->tif_setupencode = tif->tif_postencode = _notSupported;
+    tif->tif_preencode = (TIFFPreMethod)_notSupported;
+#   endif /* never */
+    tif->tif_setupdecode = OJPEGSetupDecode;
+    tif->tif_predecode = OJPEGPreDecode;
+    tif->tif_postdecode = OJPEGPostDecode;
+    tif->tif_cleanup = OJPEGCleanUp;
+
+ /* If the image file doesn't have "JPEGInterchangeFormat[Length]" TIFF records
+    to guide us, we have few clues about where its encapsulated JPEG bit stream
+    is located, so establish intelligent defaults:  If the Image File Directory
+    doesn't immediately follow the TIFF header, assume that the JPEG data lies
+    in between; otherwise, assume that it follows the Image File Directory.
+ */
+    if (tif->tif_header.tiff_diroff > sizeof tif->tif_header)
+      {
+        sp->src.next_input_byte = tif->tif_base + sizeof tif->tif_header;
+        sp->src.bytes_in_buffer = tif->tif_header.tiff_diroff
+                                - sizeof tif->tif_header;
+      }
+    else /* this case is ugly! */
+      { uint32 maxoffset = tif->tif_size;
+        uint16 dircount;
+
+     /* Calculate the offset to the next Image File Directory, if there is one,
+        or to the end of the file, if not.  Then arrange to read the file from
+        the end of the Image File Directory to that offset.
+     */
+        if (tif->tif_nextdiroff) maxoffset = tif->tif_nextdiroff; /* Not EOF */
+        _TIFFmemcpy(&dircount,(const tdata_t)
+          (sp->src.next_input_byte = tif->tif_base+tif->tif_header.tiff_diroff),
+          sizeof dircount);
+        if (tif->tif_flags & TIFF_SWAB) TIFFSwabShort(&dircount);
+        sp->src.next_input_byte += dircount*sizeof(TIFFDirEntry)
+                                + sizeof maxoffset + sizeof dircount;
+        sp->src.bytes_in_buffer = tif->tif_base - sp->src.next_input_byte
+                                + maxoffset;
+      };
+
+ /* IJG JPEG Library Version 6B can be configured for either 8- or 12-bit sample
+    precision, but we assume that "old JPEG" TIFF clients only need 8 bits.
+ */
+    sp->cinfo.d.data_precision = 8;
+#   ifdef C_LOSSLESS_SUPPORTED
+
+ /* If the "JPEGProc" TIFF tag is missing from the Image File Dictionary, the
+    JPEG Library will use its (lossy) baseline sequential process by default.
+ */
+    sp->cinfo.d.data_unit = DCTSIZE;
+#   endif /* C_LOSSLESS_SUPPORTED */
+
+ /* Initialize other CODEC-specific variables requiring default values. */
+
+    tif->tif_flags |= TIFF_NOBITREV; /* No bit-reversal within data bytes */
+    sp->h_sampling = sp->v_sampling = 1; /* No subsampling by default */
+    sp->is_WANG = 0; /* Assume not a MS Windows Wang Imaging file by default */
+    sp->jpegtables = 0; /* No "new"-style JPEG tables synthesized yet */
+    sp->jpegtables_length = 0;
+    sp->jpegquality = 75; /* Default IJG quality */
+    sp->jpegcolormode = JPEGCOLORMODE_RAW;
+    sp->jpegtablesmode = 0; /* No tables found yet */
+    sp->jpeglosslesspredictors=0;
+    sp->jpeglosslesspredictors_length=0;
+    sp->jpegpointtransform=0;
+    sp->jpegpointtransform_length=0;
+    sp->jpegqtables=0;
+    sp->jpegqtables_length=0;
+    sp->jpegdctables=0;
+    sp->jpegdctables_length=0;
+    sp->jpegactables=0;
+    sp->jpegactables_length=0;
+    return 1;
+#   undef td
+  }
+#endif /* OJPEG_SUPPORT */

diff --git a/src/tiff/tiffvers.h b/src/tiff/tiffvers.h
new file mode 100644 (file)
index 0000000..3d24f9a
--- /dev/null
+++ b/src/tiff/tiffvers.h
@@ -0,0 +1,9 @@
+#define TIFFLIB_VERSION_STR "LIBTIFF, Version 3.6.1\nCopyright (c) 1988-1996 Sam Leffler\nCopyright (c) 1991-1996 Silicon Graphics, Inc."
+/*
+ * This define can be used in code that requires
+ * compilation-related definitions specific to a
+ * version or versions of the library.  Runtime
+ * version checking should be done based on the
+ * string returned by TIFFGetVersion.
+ */
+#define TIFFLIB_VERSION 20031226