From: Vadim Zeitlin Date: Sat, 20 Nov 2004 00:17:39 +0000 (+0000) Subject: new files in libtiff 3.6.1 X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/7da025386645a47dc770534a71293891acc9c2c4 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 index 0000000000..0e763eb3fb --- /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 index 0000000000..564c9aa4d2 --- /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, 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+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, 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+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 index 0000000000..4aa8165ea9 --- /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 index 0000000000..16ada83a1d --- /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 +#include +#include +#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 index 0000000000..16b999635d --- /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 index 0000000000..5e99f03df6 --- /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] [] + */ +#include +#include +#include + +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 index 0000000000..ae830b07df --- /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 + +/* + * 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<(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 index 0000000000..f7aa6853ae --- /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 + +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 index 0000000000..a4426475f1 --- /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. 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 with considerable help + from Charles Auer 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 , 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 , 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 +#include +#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 , 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;i2jpeglosslesspredictors_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;i2jpegpointtransform_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;i2jpegqtables_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;i2jpegdctables_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;i2jpegactables_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: , %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 index 0000000000..3d24f9a2c2 --- /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