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TMI-40: Fixed subsampling offset bug (and removed the slow, stepwise reading + simplified the code, at the cost of higher memory consumption).

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Harald Kuhr
2015-03-19 23:38:14 +01:00
parent 406ae28da7
commit 26475eb004
2 changed files with 30 additions and 90 deletions
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imageio/imageio-jpeg/src/test/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReaderTest.java
+2 -4
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@@ -163,7 +163,7 @@ public class JPEGImageReaderTest extends ImageReaderAbstractTestCase<JPEGImageRe
ImageReadParam param = reader.getDefaultReadParam();
param.setSourceRegion(new Rectangle(800, 800, 64, 8));
param.setSourceSubsampling(8, 8, 1, 1);
param.setSourceSubsampling(8, 8, 2, 2);
BufferedImage image = reader.read(0, param);
assertNotNull(image);
@@ -180,7 +180,7 @@ public class JPEGImageReaderTest extends ImageReaderAbstractTestCase<JPEGImageRe
private static void assertJPEGPixelsEqual(byte[] expected, byte[] actual, int actualOffset) {
for (int i = 0; i < expected.length; i++) {
assertEquals(expected[i], actual[i + actualOffset], 5);
assertEquals(String.format("Difference in pixel %d", i), expected[i], actual[i + actualOffset], 5);
}
}
@@ -947,7 +947,6 @@ public class JPEGImageReaderTest extends ImageReaderAbstractTestCase<JPEGImageRe
assertNotNull(image);
}
@Ignore
@Test
public void testReadSubsamplingNotSkippingLines1028() throws IOException {
JPEGImageReader reader = createReader();
@@ -1012,7 +1011,6 @@ public class JPEGImageReaderTest extends ImageReaderAbstractTestCase<JPEGImageRe
assertNotNull(image);
}
@Ignore
@Test
public void testReadSubsamplingNotSkippingLines1025() throws IOException {
JPEGImageReader reader = createReader();