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Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_getimage.c')
-rw-r--r--src/3rdparty/libtiff/libtiff/tif_getimage.c179
1 files changed, 111 insertions, 68 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_getimage.c b/src/3rdparty/libtiff/libtiff/tif_getimage.c
index f49b73f..0f5e932 100644
--- a/src/3rdparty/libtiff/libtiff/tif_getimage.c
+++ b/src/3rdparty/libtiff/libtiff/tif_getimage.c
@@ -1,4 +1,4 @@
-/* $Id: tif_getimage.c,v 1.90 2015-06-17 01:34:08 bfriesen Exp $ */
+/* $Id: tif_getimage.c,v 1.98 2016-11-18 02:47:45 bfriesen Exp $ */
/*
* Copyright (c) 1991-1997 Sam Leffler
@@ -95,6 +95,10 @@ TIFFRGBAImageOK(TIFF* tif, char emsg[1024])
td->td_bitspersample);
return (0);
}
+ if (td->td_sampleformat == SAMPLEFORMAT_IEEEFP) {
+ sprintf(emsg, "Sorry, can not handle images with IEEE floating-point samples");
+ return (0);
+ }
colorchannels = td->td_samplesperpixel - td->td_extrasamples;
if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photometric)) {
switch (colorchannels) {
@@ -182,25 +186,25 @@ TIFFRGBAImageOK(TIFF* tif, char emsg[1024])
"Planarconfiguration", td->td_planarconfig);
return (0);
}
- if( td->td_samplesperpixel != 3 )
- {
- sprintf(emsg,
- "Sorry, can not handle image with %s=%d",
- "Samples/pixel", td->td_samplesperpixel);
- return 0;
- }
+ if ( td->td_samplesperpixel != 3 || colorchannels != 3 ) {
+ sprintf(emsg,
+ "Sorry, can not handle image with %s=%d, %s=%d",
+ "Samples/pixel", td->td_samplesperpixel,
+ "colorchannels", colorchannels);
+ return 0;
+ }
break;
case PHOTOMETRIC_CIELAB:
- if( td->td_samplesperpixel != 3 || td->td_bitspersample != 8 )
- {
- sprintf(emsg,
- "Sorry, can not handle image with %s=%d and %s=%d",
- "Samples/pixel", td->td_samplesperpixel,
- "Bits/sample", td->td_bitspersample);
- return 0;
- }
+ if ( td->td_samplesperpixel != 3 || colorchannels != 3 || td->td_bitspersample != 8 ) {
+ sprintf(emsg,
+ "Sorry, can not handle image with %s=%d, %s=%d and %s=%d",
+ "Samples/pixel", td->td_samplesperpixel,
+ "colorchannels", colorchannels,
+ "Bits/sample", td->td_bitspersample);
+ return 0;
+ }
break;
- default:
+ default:
sprintf(emsg, "Sorry, can not handle image with %s=%d",
photoTag, photometric);
return (0);
@@ -211,20 +215,34 @@ TIFFRGBAImageOK(TIFF* tif, char emsg[1024])
void
TIFFRGBAImageEnd(TIFFRGBAImage* img)
{
- if (img->Map)
- _TIFFfree(img->Map), img->Map = NULL;
- if (img->BWmap)
- _TIFFfree(img->BWmap), img->BWmap = NULL;
- if (img->PALmap)
- _TIFFfree(img->PALmap), img->PALmap = NULL;
- if (img->ycbcr)
- _TIFFfree(img->ycbcr), img->ycbcr = NULL;
- if (img->cielab)
- _TIFFfree(img->cielab), img->cielab = NULL;
- if (img->UaToAa)
- _TIFFfree(img->UaToAa), img->UaToAa = NULL;
- if (img->Bitdepth16To8)
- _TIFFfree(img->Bitdepth16To8), img->Bitdepth16To8 = NULL;
+ if (img->Map) {
+ _TIFFfree(img->Map);
+ img->Map = NULL;
+ }
+ if (img->BWmap) {
+ _TIFFfree(img->BWmap);
+ img->BWmap = NULL;
+ }
+ if (img->PALmap) {
+ _TIFFfree(img->PALmap);
+ img->PALmap = NULL;
+ }
+ if (img->ycbcr) {
+ _TIFFfree(img->ycbcr);
+ img->ycbcr = NULL;
+ }
+ if (img->cielab) {
+ _TIFFfree(img->cielab);
+ img->cielab = NULL;
+ }
+ if (img->UaToAa) {
+ _TIFFfree(img->UaToAa);
+ img->UaToAa = NULL;
+ }
+ if (img->Bitdepth16To8) {
+ _TIFFfree(img->Bitdepth16To8);
+ img->Bitdepth16To8 = NULL;
+ }
if( img->redcmap ) {
_TIFFfree( img->redcmap );
@@ -255,6 +273,9 @@ TIFFRGBAImageBegin(TIFFRGBAImage* img, TIFF* tif, int stop, char emsg[1024])
int colorchannels;
uint16 *red_orig, *green_orig, *blue_orig;
int n_color;
+
+ if( !TIFFRGBAImageOK(tif, emsg) )
+ return 0;
/* Initialize to normal values */
img->row_offset = 0;
@@ -338,7 +359,7 @@ TIFFRGBAImageBegin(TIFFRGBAImage* img, TIFF* tif, int stop, char emsg[1024])
}
/* copy the colormaps so we can modify them */
- n_color = (1L << img->bitspersample);
+ n_color = (1U << img->bitspersample);
img->redcmap = (uint16 *) _TIFFmalloc(sizeof(uint16)*n_color);
img->greencmap = (uint16 *) _TIFFmalloc(sizeof(uint16)*n_color);
img->bluecmap = (uint16 *) _TIFFmalloc(sizeof(uint16)*n_color);
@@ -351,7 +372,7 @@ TIFFRGBAImageBegin(TIFFRGBAImage* img, TIFF* tif, int stop, char emsg[1024])
_TIFFmemcpy( img->greencmap, green_orig, n_color * 2 );
_TIFFmemcpy( img->bluecmap, blue_orig, n_color * 2 );
- /* fall thru... */
+ /* fall through... */
case PHOTOMETRIC_MINISWHITE:
case PHOTOMETRIC_MINISBLACK:
if (planarconfig == PLANARCONFIG_CONTIG
@@ -509,7 +530,7 @@ TIFFReadRGBAImageOriented(TIFF* tif,
int ok;
if (TIFFRGBAImageOK(tif, emsg) && TIFFRGBAImageBegin(&img, tif, stop, emsg)) {
- img.req_orientation = orientation;
+ img.req_orientation = (uint16)orientation;
/* XXX verify rwidth and rheight against width and height */
ok = TIFFRGBAImageGet(&img, raster+(rheight-img.height)*rwidth,
rwidth, img.height);
@@ -696,7 +717,8 @@ gtTileContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
uint32 temp = *left;
*left = *right;
*right = temp;
- left++, right--;
+ left++;
+ right--;
}
}
}
@@ -729,7 +751,7 @@ gtTileSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
int alpha = img->alpha;
uint32 nrow;
int ret = 1, flip;
- int colorchannels;
+ uint16 colorchannels;
uint32 this_tw, tocol;
int32 this_toskew, leftmost_toskew;
int32 leftmost_fromskew;
@@ -863,7 +885,8 @@ gtTileSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
uint32 temp = *left;
*left = *right;
*right = temp;
- left++, right--;
+ left++;
+ right--;
}
}
}
@@ -953,7 +976,8 @@ gtStripContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
uint32 temp = *left;
*left = *right;
*right = temp;
- left++, right--;
+ left++;
+ right--;
}
}
}
@@ -984,7 +1008,8 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
tmsize_t bufsize;
int32 fromskew, toskew;
int alpha = img->alpha;
- int ret = 1, flip, colorchannels;
+ int ret = 1, flip;
+ uint16 colorchannels;
stripsize = TIFFStripSize(tif);
bufsize = TIFFSafeMultiply(tmsize_t,alpha?4:3,stripsize);
@@ -1086,7 +1111,8 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
uint32 temp = *left;
*left = *right;
*right = temp;
- left++, right--;
+ left++;
+ right--;
}
}
}
@@ -1414,7 +1440,7 @@ DECLAREContigPutFunc(putRGBUAcontig8bittile)
uint8* m;
for (x = w; x-- > 0;) {
a = pp[3];
- m = img->UaToAa+(a<<8);
+ m = img->UaToAa+((size_t) a<<8);
r = m[pp[0]];
g = m[pp[1]];
b = m[pp[2]];
@@ -1485,7 +1511,7 @@ DECLAREContigPutFunc(putRGBUAcontig16bittile)
uint8* m;
for (x = w; x-- > 0;) {
a = img->Bitdepth16To8[wp[3]];
- m = img->UaToAa+(a<<8);
+ m = img->UaToAa+((size_t) a<<8);
r = m[img->Bitdepth16To8[wp[0]]];
g = m[img->Bitdepth16To8[wp[1]]];
b = m[img->Bitdepth16To8[wp[2]]];
@@ -1616,7 +1642,7 @@ DECLARESepPutFunc(putRGBUAseparate8bittile)
uint8* m;
for (x = w; x-- > 0;) {
av = *a++;
- m = img->UaToAa+(av<<8);
+ m = img->UaToAa+((size_t) av<<8);
rv = m[*r++];
gv = m[*g++];
bv = m[*b++];
@@ -1678,15 +1704,15 @@ DECLARESepPutFunc(putRGBUAseparate16bittile)
uint16 *wa = (uint16*) a;
(void) img; (void) y;
while (h-- > 0) {
- uint32 r,g,b,a;
+ uint32 r2,g2,b2,a2;
uint8* m;
for (x = w; x-- > 0;) {
- a = img->Bitdepth16To8[*wa++];
- m = img->UaToAa+(a<<8);
- r = m[img->Bitdepth16To8[*wr++]];
- g = m[img->Bitdepth16To8[*wg++]];
- b = m[img->Bitdepth16To8[*wb++]];
- *cp++ = PACK4(r,g,b,a);
+ a2 = img->Bitdepth16To8[*wa++];
+ m = img->UaToAa+((size_t) a2<<8);
+ r2 = m[img->Bitdepth16To8[*wr++]];
+ g2 = m[img->Bitdepth16To8[*wg++]];
+ b2 = m[img->Bitdepth16To8[*wb++]];
+ *cp++ = PACK4(r2,g2,b2,a2);
}
SKEW4(wr, wg, wb, wa, fromskew);
cp += toskew;
@@ -1841,10 +1867,16 @@ DECLAREContigPutFunc(putcontig8bitYCbCr44tile)
YCbCrtoRGB(cp3[2], pp[14]);
YCbCrtoRGB(cp3[3], pp[15]);
- cp += 4, cp1 += 4, cp2 += 4, cp3 += 4;
+ cp += 4;
+ cp1 += 4;
+ cp2 += 4;
+ cp3 += 4;
pp += 18;
} while (--x);
- cp += incr, cp1 += incr, cp2 += incr, cp3 += incr;
+ cp += incr;
+ cp1 += incr;
+ cp2 += incr;
+ cp3 += incr;
pp += fromskew;
}
} else {
@@ -1895,7 +1927,10 @@ DECLAREContigPutFunc(putcontig8bitYCbCr44tile)
if (h <= 4)
break;
h -= 4;
- cp += incr, cp1 += incr, cp2 += incr, cp3 += incr;
+ cp += incr;
+ cp1 += incr;
+ cp2 += incr;
+ cp3 += incr;
pp += fromskew;
}
}
@@ -1927,10 +1962,12 @@ DECLAREContigPutFunc(putcontig8bitYCbCr42tile)
YCbCrtoRGB(cp1[2], pp[6]);
YCbCrtoRGB(cp1[3], pp[7]);
- cp += 4, cp1 += 4;
+ cp += 4;
+ cp1 += 4;
pp += 10;
} while (--x);
- cp += incr, cp1 += incr;
+ cp += incr;
+ cp1 += incr;
pp += fromskew;
}
} else {
@@ -1973,7 +2010,8 @@ DECLAREContigPutFunc(putcontig8bitYCbCr42tile)
if (h <= 2)
break;
h -= 2;
- cp += incr, cp1 += incr;
+ cp += incr;
+ cp1 += incr;
pp += fromskew;
}
}
@@ -2362,7 +2400,8 @@ setupMap(TIFFRGBAImage* img)
if (!makebwmap(img))
return (0);
/* no longer need Map, free it */
- _TIFFfree(img->Map), img->Map = NULL;
+ _TIFFfree(img->Map);
+ img->Map = NULL;
}
return (1);
}
@@ -2470,7 +2509,7 @@ buildMap(TIFFRGBAImage* img)
case PHOTOMETRIC_SEPARATED:
if (img->bitspersample == 8)
break;
- /* fall thru... */
+ /* fall through... */
case PHOTOMETRIC_MINISBLACK:
case PHOTOMETRIC_MINISWHITE:
if (!setupMap(img))
@@ -2508,29 +2547,33 @@ PickContigCase(TIFFRGBAImage* img)
case PHOTOMETRIC_RGB:
switch (img->bitspersample) {
case 8:
- if (img->alpha == EXTRASAMPLE_ASSOCALPHA)
+ if (img->alpha == EXTRASAMPLE_ASSOCALPHA &&
+ img->samplesperpixel >= 4)
img->put.contig = putRGBAAcontig8bittile;
- else if (img->alpha == EXTRASAMPLE_UNASSALPHA)
+ else if (img->alpha == EXTRASAMPLE_UNASSALPHA &&
+ img->samplesperpixel >= 4)
{
if (BuildMapUaToAa(img))
img->put.contig = putRGBUAcontig8bittile;
}
- else
+ else if( img->samplesperpixel >= 3 )
img->put.contig = putRGBcontig8bittile;
break;
case 16:
- if (img->alpha == EXTRASAMPLE_ASSOCALPHA)
+ if (img->alpha == EXTRASAMPLE_ASSOCALPHA &&
+ img->samplesperpixel >=4 )
{
if (BuildMapBitdepth16To8(img))
img->put.contig = putRGBAAcontig16bittile;
}
- else if (img->alpha == EXTRASAMPLE_UNASSALPHA)
+ else if (img->alpha == EXTRASAMPLE_UNASSALPHA &&
+ img->samplesperpixel >=4 )
{
if (BuildMapBitdepth16To8(img) &&
BuildMapUaToAa(img))
img->put.contig = putRGBUAcontig16bittile;
}
- else
+ else if( img->samplesperpixel >=3 )
{
if (BuildMapBitdepth16To8(img))
img->put.contig = putRGBcontig16bittile;
@@ -2539,7 +2582,7 @@ PickContigCase(TIFFRGBAImage* img)
}
break;
case PHOTOMETRIC_SEPARATED:
- if (buildMap(img)) {
+ if (img->samplesperpixel >=4 && buildMap(img)) {
if (img->bitspersample == 8) {
if (!img->Map)
img->put.contig = putRGBcontig8bitCMYKtile;
@@ -2635,7 +2678,7 @@ PickContigCase(TIFFRGBAImage* img)
}
break;
case PHOTOMETRIC_CIELAB:
- if (buildMap(img)) {
+ if (img->samplesperpixel == 3 && buildMap(img)) {
if (img->bitspersample == 8)
img->put.contig = initCIELabConversion(img);
break;
@@ -2736,7 +2779,7 @@ BuildMapUaToAa(TIFFRGBAImage* img)
for (na=0; na<256; na++)
{
for (nv=0; nv<256; nv++)
- *m++=(nv*na+127)/255;
+ *m++=(uint8)((nv*na+127)/255);
}
return(1);
}
@@ -2756,7 +2799,7 @@ BuildMapBitdepth16To8(TIFFRGBAImage* img)
}
m=img->Bitdepth16To8;
for (n=0; n<65536; n++)
- *m++=(n+128)/257;
+ *m++=(uint8)((n+128)/257);
return(1);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 23:01:06 +0000