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Certain pixeldepth-16 TGA files fail to process, classcast exception (#624)

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* Added fixed for monochrome tga16 bit. Uncertain if that description is complete.
Test files added. Without the changed code, the tests fail.

* Fix suggested by HaraldK

Co-authored-by: Koen De Groote <koen.degroote@limecraft.com>
This commit is contained in:
Koen De Groote
2021-09-03 16:19:05 +02:00
committed by GitHub
parent 778cdef69c
commit e68ce7ffd1
4 changed files with 11 additions and 2 deletions
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imageio/imageio-tga/src/main/java/com/twelvemonkeys/imageio/plugins/tga/TGAImageReader.java
+7 -1
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@@ -116,7 +116,13 @@ final class TGAImageReader extends ImageReaderBase {
return ImageTypeSpecifiers.createFromIndexColorModel(header.getColorMap());
case TGA.IMAGETYPE_MONOCHROME:
case TGA.IMAGETYPE_MONOCHROME_RLE:
return ImageTypeSpecifiers.createGrayscale(8, DataBuffer.TYPE_BYTE);
switch (header.getPixelDepth()) {
case 8:
return ImageTypeSpecifiers.createFromBufferedImageType(BufferedImage.TYPE_BYTE_GRAY);
case 16:
return ImageTypeSpecifiers.createFromBufferedImageType(BufferedImage.TYPE_USHORT_GRAY);
default: throw new IIOException("Unknown pixel depth for monochrome: " + header.getPixelDepth());
}
case TGA.IMAGETYPE_TRUECOLOR:
case TGA.IMAGETYPE_TRUECOLOR_RLE:
ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);