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PSD: use linear profile on float images

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On float images, if not color profile is present, a linear one should be chosen. Photoshop works on 32-bit images in a linear color space.
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Mirco Miranda 2025-03-23 22:31:23 +00:00 committed by Albert Astals Cid
parent bef2b9168f
commit 4026f41890
1 changed files with 12 additions and 1 deletions
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13
src/imageformats/psd.cpp
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@ -1504,7 +1504,18 @@ bool PSDHandler::read(QImage *image)
img.setColorSpace(QColorSpace(QColorSpace::SRgb));
#endif
} else if (!setColorSpace(img, irs)) {
// qDebug() << "No colorspace info set!";
// Float images are used by Photoshop as linear: if no color space
// is present, a linear one should be chosen.
if (header.color_mode == CM_RGB && header.depth == 32) {
img.setColorSpace(QColorSpace(QColorSpace::SRgbLinear));
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
if (header.color_mode == CM_GRAYSCALE && header.depth == 32) {
auto qs = QColorSpace(QPointF(0.3127, 0.3291), QColorSpace::TransferFunction::Linear);
qs.setDescription(QStringLiteral("Linear grayscale"));
img.setColorSpace(qs);
}
#endif
}
// XMP data