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#621 Don't add ICC profile for default gray images

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Harald Kuhr
2021-08-31 22:16:08 +02:00
parent aa030f526c
commit 105a1ee466
4 changed files with 62 additions and 3 deletions
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imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageWriter.java
+5 -2
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@@ -32,6 +32,7 @@ package com.twelvemonkeys.imageio.plugins.tiff;
import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.imageio.ImageWriterBase;
import com.twelvemonkeys.imageio.color.ColorSpaces;
import com.twelvemonkeys.imageio.metadata.Directory;
import com.twelvemonkeys.imageio.metadata.Entry;
import com.twelvemonkeys.imageio.metadata.tiff.Rational;
@@ -849,9 +850,11 @@ public final class TIFFImageWriter extends ImageWriterBase {
else {
entries.put(TIFF.TAG_SAMPLES_PER_PIXEL, new TIFFEntry(TIFF.TAG_SAMPLES_PER_PIXEL, numBands));
// Note: Assuming sRGB to be the default RGB interpretation
// Embed ICC profile if we have one that:
// * is not sRGB (assuming sRGB to be the default RGB interpretation), and
// * is not gray scale (assuming photometric either BlackIsZero or WhiteIsZero)
ColorSpace colorSpace = colorModel.getColorSpace();
if (colorSpace instanceof ICC_ColorSpace && !colorSpace.isCS_sRGB()) {
if (colorSpace instanceof ICC_ColorSpace && !colorSpace.isCS_sRGB() && !ColorSpaces.isCS_GRAY(((ICC_ColorSpace) colorSpace).getProfile())) {
entries.put(TIFF.TAG_ICC_PROFILE, new TIFFEntry(TIFF.TAG_ICC_PROFILE, ((ICC_ColorSpace) colorSpace).getProfile().getData()));
}
}