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Fix WebP ICC handling for images with alpha.

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This commit is contained in:
Harald Kuhr 2021-07-12 10:01:16 +02:00
parent cf8d630d01
commit e28bf8fb44
1 changed files with 8 additions and 6 deletions
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14
imageio/imageio-webp/src/main/java/com/twelvemonkeys/imageio/plugins/webp/WebPImageReader.java
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@ -52,10 +52,7 @@ import javax.imageio.metadata.IIOMetadata;
import javax.imageio.spi.ImageReaderSpi;
import java.awt.color.ICC_ColorSpace;
import java.awt.color.ICC_Profile;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.awt.image.DataBuffer;
import java.awt.image.WritableRaster;
import java.awt.image.*;
import java.io.IOException;
import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets;
@ -421,15 +418,20 @@ final class WebPImageReader extends ImageReaderBase {
private void applyICCProfileIfNeeded(final BufferedImage destination) {
if (iccProfile != null) {
ICC_Profile destinationProfile = ((ICC_ColorSpace) destination.getColorModel().getColorSpace()).getProfile();
ColorModel colorModel = destination.getColorModel();
ICC_Profile destinationProfile = ((ICC_ColorSpace) colorModel.getColorSpace()).getProfile();
if (!iccProfile.equals(destinationProfile)) {
if (DEBUG) {
System.err.println("Converting from " + iccProfile + " to " + (ColorSpaces.isCS_sRGB(destinationProfile) ? "sRGB" : destinationProfile));
}
WritableRaster raster = colorModel.hasAlpha()
? destination.getRaster().createWritableChild(0, 0, destination.getWidth(), destination.getHeight(), 0, 0, new int[] {0, 1, 2})
: destination.getRaster();
new ColorConvertOp(new ICC_Profile[] {iccProfile, destinationProfile}, null)
.filter(destination.getRaster(), destination.getRaster());
.filter(raster, raster);
}
}
}