|
 |
460672 |
diff --git a/libtiff/tif_getimage.c b/libtiff/tif_getimage.c
|
|
|
460672 |
index 1633325..018351b 100644
|
|
|
460672 |
--- a/libtiff/tif_getimage.c
|
|
|
460672 |
+++ b/libtiff/tif_getimage.c
|
|
|
460672 |
@@ -182,8 +182,25 @@ TIFFRGBAImageOK(TIFF* tif, char emsg[1024])
|
|
|
460672 |
"Planarconfiguration", td->td_planarconfig);
|
|
|
460672 |
return (0);
|
|
|
460672 |
}
|
|
|
460672 |
+ if( td->td_samplesperpixel != 3 || colorchannels != 3 )
|
|
|
460672 |
+ {
|
|
|
460672 |
+ sprintf(emsg,
|
|
|
460672 |
+ "Sorry, can not handle image with %s=%d, %s=%d",
|
|
|
460672 |
+ "Samples/pixel", td->td_samplesperpixel,
|
|
|
460672 |
+ "colorchannels", colorchannels);
|
|
|
460672 |
+ return 0;
|
|
|
460672 |
+ }
|
|
|
460672 |
break;
|
|
|
460672 |
case PHOTOMETRIC_CIELAB:
|
|
|
460672 |
+ if( td->td_samplesperpixel != 3 || colorchannels != 3 || td->td_bitspersample != 8 )
|
|
|
460672 |
+ {
|
|
|
460672 |
+ sprintf(emsg,
|
|
|
460672 |
+ "Sorry, can not handle image with %s=%d, %s=%d and %s=%d",
|
|
|
460672 |
+ "Samples/pixel", td->td_samplesperpixel,
|
|
|
460672 |
+ "colorchannels", colorchannels,
|
|
|
460672 |
+ "Bits/sample", td->td_bitspersample);
|
|
|
460672 |
+ return 0;
|
|
|
460672 |
+ }
|
|
|
460672 |
break;
|
|
|
460672 |
default:
|
|
|
460672 |
sprintf(emsg, "Sorry, can not handle image with %s=%d",
|
|
|
460672 |
@@ -241,6 +258,9 @@ TIFFRGBAImageBegin(TIFFRGBAImage* img, TIFF* tif, int stop, char emsg[1024])
|
|
|
460672 |
uint16 *red_orig, *green_orig, *blue_orig;
|
|
|
460672 |
int n_color;
|
|
|
460672 |
|
|
|
460672 |
+ if( !TIFFRGBAImageOK(tif, emsg) )
|
|
|
460672 |
+ return 0;
|
|
|
460672 |
+
|
|
|
460672 |
/* Initialize to normal values */
|
|
|
460672 |
img->row_offset = 0;
|
|
|
460672 |
img->col_offset = 0;
|
|
|
460672 |
@@ -2453,29 +2473,33 @@ PickContigCase(TIFFRGBAImage* img)
|
|
|
460672 |
case PHOTOMETRIC_RGB:
|
|
|
460672 |
switch (img->bitspersample) {
|
|
|
460672 |
case 8:
|
|
|
460672 |
- if (img->alpha == EXTRASAMPLE_ASSOCALPHA)
|
|
|
460672 |
+ if (img->alpha == EXTRASAMPLE_ASSOCALPHA &&
|
|
|
460672 |
+ img->samplesperpixel >= 4)
|
|
|
460672 |
img->put.contig = putRGBAAcontig8bittile;
|
|
|
460672 |
- else if (img->alpha == EXTRASAMPLE_UNASSALPHA)
|
|
|
460672 |
+ else if (img->alpha == EXTRASAMPLE_UNASSALPHA &&
|
|
|
460672 |
+ img->samplesperpixel >= 4)
|
|
|
460672 |
{
|
|
|
460672 |
if (BuildMapUaToAa(img))
|
|
|
460672 |
img->put.contig = putRGBUAcontig8bittile;
|
|
|
460672 |
}
|
|
|
460672 |
- else
|
|
|
460672 |
+ else if( img->samplesperpixel >= 3 )
|
|
|
460672 |
img->put.contig = putRGBcontig8bittile;
|
|
|
460672 |
break;
|
|
|
460672 |
case 16:
|
|
|
460672 |
- if (img->alpha == EXTRASAMPLE_ASSOCALPHA)
|
|
|
460672 |
+ if (img->alpha == EXTRASAMPLE_ASSOCALPHA &&
|
|
|
460672 |
+ img->samplesperpixel >=4 )
|
|
|
460672 |
{
|
|
|
460672 |
if (BuildMapBitdepth16To8(img))
|
|
|
460672 |
img->put.contig = putRGBAAcontig16bittile;
|
|
|
460672 |
}
|
|
|
460672 |
- else if (img->alpha == EXTRASAMPLE_UNASSALPHA)
|
|
|
460672 |
+ else if (img->alpha == EXTRASAMPLE_UNASSALPHA &&
|
|
|
460672 |
+ img->samplesperpixel >=4 )
|
|
|
460672 |
{
|
|
|
460672 |
if (BuildMapBitdepth16To8(img) &&
|
|
|
460672 |
BuildMapUaToAa(img))
|
|
|
460672 |
img->put.contig = putRGBUAcontig16bittile;
|
|
|
460672 |
}
|
|
|
460672 |
- else
|
|
|
460672 |
+ else if( img->samplesperpixel >=3 )
|
|
|
460672 |
{
|
|
|
460672 |
if (BuildMapBitdepth16To8(img))
|
|
|
460672 |
img->put.contig = putRGBcontig16bittile;
|
|
|
460672 |
@@ -2484,7 +2508,7 @@ PickContigCase(TIFFRGBAImage* img)
|
|
|
460672 |
}
|
|
|
460672 |
break;
|
|
|
460672 |
case PHOTOMETRIC_SEPARATED:
|
|
|
460672 |
- if (buildMap(img)) {
|
|
|
460672 |
+ if (img->samplesperpixel >=4 && buildMap(img)) {
|
|
|
460672 |
if (img->bitspersample == 8) {
|
|
|
460672 |
if (!img->Map)
|
|
|
460672 |
img->put.contig = putRGBcontig8bitCMYKtile;
|
|
|
460672 |
@@ -2580,7 +2604,7 @@ PickContigCase(TIFFRGBAImage* img)
|
|
|
460672 |
}
|
|
|
460672 |
break;
|
|
|
460672 |
case PHOTOMETRIC_CIELAB:
|
|
|
460672 |
- if (buildMap(img)) {
|
|
|
460672 |
+ if (img->samplesperpixel == 3 && buildMap(img)) {
|
|
|
460672 |
if (img->bitspersample == 8)
|
|
|
460672 |
img->put.contig = initCIELabConversion(img);
|
|
|
460672 |
break;
|