* Copyright (c) 1991-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * 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.
- *
+ *
+ * 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
+ * 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 <assert.h>
#include <stdio.h>
-static int gtTileContig(TIFFRGBAImage*, uint32*, uint32, uint32);
-static int gtTileSeparate(TIFFRGBAImage*, uint32*, uint32, uint32);
-static int gtStripContig(TIFFRGBAImage*, uint32*, uint32, uint32);
-static int gtStripSeparate(TIFFRGBAImage*, uint32*, uint32, uint32);
-static int pickTileContigCase(TIFFRGBAImage*);
-static int pickTileSeparateCase(TIFFRGBAImage*);
+static int LINKAGEMODE gtTileContig(TIFFRGBAImage*, uint32*, uint32, uint32);
+static int LINKAGEMODE gtTileSeparate(TIFFRGBAImage*, uint32*, uint32, uint32);
+static int LINKAGEMODE gtStripContig(TIFFRGBAImage*, uint32*, uint32, uint32);
+static int LINKAGEMODE gtStripSeparate(TIFFRGBAImage*, uint32*, uint32, uint32);
+static int LINKAGEMODE pickTileContigCase(TIFFRGBAImage*);
+static int LINKAGEMODE pickTileSeparateCase(TIFFRGBAImage*);
static const char photoTag[] = "PhotometricInterpretation";
return (0);
}
break;
- case PHOTOMETRIC_RGB:
+ case PHOTOMETRIC_RGB:
if (colorchannels < 3) {
sprintf(emsg, "Sorry, can not handle RGB image with %s=%d",
"Color channels", colorchannels);
img->redcmap = NULL;
img->greencmap = NULL;
img->bluecmap = NULL;
-
+
img->tif = tif;
img->stoponerr = stop;
TIFFGetFieldDefaulted(tif, TIFFTAG_BITSPERSAMPLE, &img->bitspersample);
memcpy( img->redcmap, red_orig, n_color * 2 );
memcpy( img->greencmap, green_orig, n_color * 2 );
memcpy( img->bluecmap, blue_orig, n_color * 2 );
-
+
/* fall thru... */
case PHOTOMETRIC_MINISWHITE:
case PHOTOMETRIC_MINISBLACK:
img->photometric = PHOTOMETRIC_RGB;
}
break;
- case PHOTOMETRIC_RGB:
+ case PHOTOMETRIC_RGB:
if (colorchannels < 3) {
sprintf(emsg, "Sorry, can not handle RGB image with %s=%d",
"Color channels", colorchannels);
op2; \
} \
}
-
+
#define SKEW(r,g,b,skew) { r += skew; g += skew; b += skew; }
#define SKEW4(r,g,b,a,skew) { r += skew; g += skew; b += skew; a+= skew; }
((uint32)W2B(r)|((uint32)W2B(g)<<8)|((uint32)W2B(b)<<16)|((uint32)W2B(a)<<24))
#define DECLAREContigPutFunc(name) \
-static void name(\
+static void LINKAGEMODE name(\
TIFFRGBAImage* img, \
uint32* cp, \
uint32 x, uint32 y, \
* we divide by (0xffff * 0xfff) / 0xff == 0x10eff.
*/
for (x = w; x-- > 0;) {
- a = wp[3] >> 4;
+ a = wp[3] >> 4;
r = (wp[0] * a) / 0x10eff;
g = (wp[1] * a) / 0x10eff;
b = (wp[2] * a) / 0x10eff;
}
#define DECLARESepPutFunc(name) \
-static void name(\
+static void LINKAGEMODE name(\
TIFFRGBAImage* img,\
uint32* cp,\
uint32 x, uint32 y, \
* we divide by (0xffff * 0xfff) / 0xff == 0x10eff.
*/
for (x = w; x-- > 0;) {
- a = *wa++ >> 4;
+ a = *wa++ >> 4;
r = (*wr++ * a) / 0x10eff;
g = (*wg++ * a) / 0x10eff;
b = (*wb++ * a) / 0x10eff;
*/
TIFFGetFieldDefaulted(img->tif, TIFFTAG_YCBCRSUBSAMPLING, &hs, &vs);
switch ((hs<<4)|vs) {
- case 0x44: return (putcontig8bitYCbCr44tile);
- case 0x42: return (putcontig8bitYCbCr42tile);
- case 0x41: return (putcontig8bitYCbCr41tile);
- case 0x22: return (putcontig8bitYCbCr22tile);
- case 0x21: return (putcontig8bitYCbCr21tile);
- case 0x11: return (putcontig8bitYCbCr11tile);
+ case 0x44: return (&putcontig8bitYCbCr44tile);
+ case 0x42: return (&putcontig8bitYCbCr42tile);
+ case 0x41: return (&putcontig8bitYCbCr41tile);
+ case 0x22: return (&putcontig8bitYCbCr22tile);
+ case 0x21: return (&putcontig8bitYCbCr21tile);
+ case 0x11: return (&putcontig8bitYCbCr11tile);
}
return (NULL);
}
* Construct a mapping table to convert from the range
* of the data samples to [0,255] --for display. This
* process also handles inverting B&W images when needed.
- */
+ */
static int
setupMap(TIFFRGBAImage* img)
{
return (1);
}
-/*
+/*
* Construct any mapping table used
* by the associated put routine.
*/
"Can't use TIFFReadRGBAStrip() with tiled file.");
return (0);
}
-
+
TIFFGetFieldDefaulted(tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
if( (row % rowsperstrip) != 0 )
{
rows_to_read = img.height - row;
else
rows_to_read = rowsperstrip;
-
+
ok = TIFFRGBAImageGet(&img, raster, img.width, rows_to_read );
-
+
TIFFRGBAImageEnd(&img);
} else {
TIFFError(TIFFFileName(tif), emsg);
ok = 0;
}
-
+
return (ok);
}
* Verify that our request is legal - on a tile file, and on a
* tile boundary.
*/
-
+
if( !TIFFIsTiled( tif ) )
{
TIFFError(TIFFFileName(tif),
"Can't use TIFFReadRGBATile() with stripped file.");
return (0);
}
-
+
TIFFGetFieldDefaulted(tif, TIFFTAG_TILEWIDTH, &tile_xsize);
TIFFGetFieldDefaulted(tif, TIFFTAG_TILELENGTH, &tile_ysize);
if( (col % tile_xsize) != 0 || (row % tile_ysize) != 0 )
/*
* Setup the RGBA reader.
*/
-
+
if ( !TIFFRGBAImageBegin(&img, tif, 0, emsg)) {
TIFFError(TIFFFileName(tif), emsg);
return( 0 );
read_ysize = img.height - row;
else
read_ysize = tile_ysize;
-
+
if( col + tile_xsize > img.width )
read_xsize = img.width - col;
else
/*
* Read the chunk of imagery.
*/
-
+
img.row_offset = row;
img.col_offset = col;
ok = TIFFRGBAImageGet(&img, raster, read_xsize, read_ysize );
-
+
TIFFRGBAImageEnd(&img);
/*
* shifting the data around as if a full tile of data is being returned.
*
* This is all the more complicated because the image is organized in
- * bottom to top format.
+ * bottom to top format.
*/
if( read_xsize == tile_xsize && read_ysize == tile_ysize )
_TIFFmemset( raster + (tile_ysize - i_row - 1) * tile_xsize,
0, sizeof(uint32) * tile_xsize );
}
-
+
return (ok);
}
projects / wxWidgets.git / blobdiff