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#815: Filter metadata and thumbnails before passing to JPEG delegate.

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This commit is contained in:
Harald Kuhr
2023-09-23 16:14:23 +02:00
parent 4513b0c166
commit e3cb923d37
2 changed files with 40 additions and 7 deletions
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imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageWriter.java
+12 -1
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@@ -250,7 +250,7 @@ public final class TIFFImageWriter extends ImageWriterBase {
ListenerDelegate listener = new ListenerDelegate(imageIndex);
jpegWriter.addIIOWriteProgressListener(listener);
jpegWriter.addIIOWriteWarningListener(listener);
jpegWriter.write(null, image, copyParams(param, jpegWriter));
jpegWriter.write(null, imageOnly(image), copyParams(param, jpegWriter));
}
finally {
jpegWriter.dispose();
@@ -285,6 +285,17 @@ public final class TIFFImageWriter extends ImageWriterBase {
return nextIFDPointerOffset;
}
private IIOImage imageOnly(final IIOImage image) {
if (image.getMetadata() == null && image.getNumThumbnails() == 0) {
// Just image data here, no need to copy
return image;
}
return image.hasRaster()
? new IIOImage(image.getRaster(), null, null)
: new IIOImage(image.getRenderedImage(), null, null);
}
// TODO: Candidate util method
private ImageWriteParam copyParams(final ImageWriteParam param, final ImageWriter writer) {
if (param == null) {