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#267: Reads monochrome images with gray ICC profile.

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Harald Kuhr
2016-06-23 16:15:22 +02:00
parent 9a6096664e
commit f4b61820ac
5 changed files with 67 additions and 17 deletions
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imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
+5 -2
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@@ -364,8 +364,11 @@ public class TIFFImageReader extends ImageReaderBase {
if (cs == ColorSpace.getInstance(ColorSpace.CS_GRAY) && (bitsPerSample == 1 || bitsPerSample == 2 || bitsPerSample == 4 || bitsPerSample == 8 || bitsPerSample == 16 || bitsPerSample == 32)) {
return ImageTypeSpecifiers.createGrayscale(bitsPerSample, dataType);
}
else if (bitsPerSample == 1 || bitsPerSample == 2 || bitsPerSample == 4 || bitsPerSample == 8 || bitsPerSample == 16 || bitsPerSample == 32) {
// TODO: Should use packed format for 1/2/4
else if (bitsPerSample == 1 || bitsPerSample == 2 || bitsPerSample == 4 ) {
// Use packed format for 1/2/4 bits
return ImageTypeSpecifiers.createPackedGrayscale(cs, bitsPerSample, dataType);
}
else if (bitsPerSample == 8 || bitsPerSample == 16 || bitsPerSample == 32) {
return ImageTypeSpecifiers.createInterleaved(cs, new int[] {0}, dataType, false, false);
}
imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
+1
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@@ -90,6 +90,7 @@ public class TIFFImageReaderTest extends ImageReaderAbstractTest<TIFFImageReader
new TestData(getClassLoaderResource("/tiff/lzw-rgba-padded-icc.tif"), new Dimension(19, 11)), // RGBA, LZW compression with padded ICC profile
new TestData(getClassLoaderResource("/tiff/lzw-rgba-4444.tif"), new Dimension(64, 64)), // RGBA, LZW compression with UINT 4/4/4/4 + gray 2/2
new TestData(getClassLoaderResource("/tiff/lzw-buffer-overflow.tif"), new Dimension(5, 49)), // RGBA, LZW compression, will throw IOOBE if small buffer
new TestData(getClassLoaderResource("/tiff/scan-mono-iccgray.tif"), new Dimension(2408, 3436)), // B/W, PackBits w/gray ICC profile
// CCITT
new TestData(getClassLoaderResource("/tiff/ccitt/group3_1d.tif"), new Dimension(6, 4)), // B/W, CCITT T4 1D
new TestData(getClassLoaderResource("/tiff/ccitt/group3_1d_fill.tif"), new Dimension(6, 4)), // B/W, CCITT T4 1D
imageio/imageio-tiff/src/test/resources/tiff/scan-mono-iccgray.tif
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