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Better support of TIFF's SubFileType tag and alpha channel

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Fix issue #4868
This commit is contained in:
Hombre
2018-10-15 22:48:37 +02:00
parent 81dd3dc3d9
commit c5ad03c9cc
2 changed files with 3 additions and 3 deletions
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4
rtengine/imageio.cc
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@@ -704,7 +704,7 @@ int ImageIO::getTIFFSampleFormat (Glib::ustring fname, IIOSampleFormat &sFormat,
sFormat = IIOSF_UNSIGNED_SHORT;
return IMIO_SUCCESS;
}
} else if (samplesperpixel == 3 && sampleformat == SAMPLEFORMAT_IEEEFP) {
} else if ((samplesperpixel == 3 || samplesperpixel == 4) && sampleformat == SAMPLEFORMAT_IEEEFP) {
if (bitspersample==16) {
sFormat = IIOSF_FLOAT16;
return IMIO_SUCCESS;
@@ -718,7 +718,7 @@ int ImageIO::getTIFFSampleFormat (Glib::ustring fname, IIOSampleFormat &sFormat,
return IMIO_SUCCESS;
}
}
} else if (samplesperpixel == 3 && photometric == PHOTOMETRIC_LOGLUV) {
} else if ((samplesperpixel == 3 || samplesperpixel == 4) && photometric == PHOTOMETRIC_LOGLUV) {
if (compression == COMPRESSION_SGILOG24) {
sFormat = IIOSF_LOGLUV24;
return IMIO_SUCCESS;