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#285: Fix for non-spec BMPs without palette.

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This commit is contained in:
Harald Kuhr 2016-10-17 20:36:40 +02:00
parent b116b4b5a7
commit 17eeda210e
3 changed files with 9 additions and 6 deletions
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2
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BMPImageReader.java
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@ -160,6 +160,7 @@ public final class BMPImageReader extends ImageReaderBase {
} }
} }
if (colors.length > 0) {
// There might be more entries in the color map, but we ignore these for reading // There might be more entries in the color map, but we ignore these for reading
int mapSize = Math.min(colors.length, 1 << header.getBitCount()); int mapSize = Math.min(colors.length, 1 << header.getBitCount());
@ -169,6 +170,7 @@ public final class BMPImageReader extends ImageReaderBase {
colorMap = new IndexColorModel(bits, mapSize, colors, 0, false, -1, DataBuffer.TYPE_BYTE); colorMap = new IndexColorModel(bits, mapSize, colors, 0, false, -1, DataBuffer.TYPE_BYTE);
} }
} }
}
return colorMap; return colorMap;
} }

3
imageio/imageio-bmp/src/test/java/com/twelvemonkeys/imageio/plugins/bmp/BMPImageReaderTest.java
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@ -108,7 +108,8 @@ public class BMPImageReaderTest extends ImageReaderAbstractTest<BMPImageReader>
new TestData(getClassLoaderResource("/bmp/blauesglas_24.bmp"), new Dimension(301, 331)), new TestData(getClassLoaderResource("/bmp/blauesglas_24.bmp"), new Dimension(301, 331)),
new TestData(getClassLoaderResource("/bmp/blauesglas_32.bmp"), new Dimension(301, 331)), new TestData(getClassLoaderResource("/bmp/blauesglas_32.bmp"), new Dimension(301, 331)),
new TestData(getClassLoaderResource("/bmp/blauesglas_32_bitmask888.bmp"), new Dimension(301, 331)), new TestData(getClassLoaderResource("/bmp/blauesglas_32_bitmask888.bmp"), new Dimension(301, 331)),
new TestData(getClassLoaderResource("/bmp/blauesglas_32_bitmask888_reversed.bmp"), new Dimension(301, 331)) new TestData(getClassLoaderResource("/bmp/blauesglas_32_bitmask888_reversed.bmp"), new Dimension(301, 331)),
new TestData(getClassLoaderResource("/bmp/24bitpalette.bmp"), new Dimension(320, 200))
); );
} }

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imageio/imageio-bmp/src/test/resources/bmp/24bitpalette.bmp Normal file
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