mirror of
https://github.com/haraldk/TwelveMonkeys.git
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IFF format clean-up + standard metadata support
This commit is contained in:
Harald Kuhr
+511
@@ -0,0 +1,511 @@
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package com.twelvemonkeys.imageio.plugins.iff;
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import static org.junit.Assert.*;
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import java.awt.image.IndexColorModel;
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import java.nio.charset.StandardCharsets;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import javax.imageio.metadata.IIOMetadataFormatImpl;
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import javax.imageio.metadata.IIOMetadataNode;
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import org.junit.Test;
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import org.junit.function.ThrowingRunnable;
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import org.w3c.dom.Node;
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public class IFFImageMetadataTest {
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@Test
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public void testStandardFeatures() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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final IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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// Standard metadata format
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assertTrue(metadata.isStandardMetadataFormatSupported());
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Node root = metadata.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName);
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assertNotNull(root);
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assertTrue(root instanceof IIOMetadataNode);
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// Other formats
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assertNull(metadata.getNativeMetadataFormatName());
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assertNull(metadata.getExtraMetadataFormatNames());
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assertThrows(IllegalArgumentException.class, new ThrowingRunnable() {
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@Override
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public void run() {
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metadata.getAsTree("com_foo_bar_1.0");
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}
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});
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// Read-only
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assertTrue(metadata.isReadOnly());
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assertThrows(IllegalStateException.class, new ThrowingRunnable() {
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@Override
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public void run() throws Throwable {
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metadata.mergeTree(IIOMetadataFormatImpl.standardMetadataFormatName, new IIOMetadataNode(IIOMetadataFormatImpl.standardMetadataFormatName));
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}
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});
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}
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@Test
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public void testStandardChromaGray() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode chroma = metadata.getStandardChromaNode();
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assertNotNull(chroma);
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assertEquals("Chroma", chroma.getNodeName());
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assertEquals(3, chroma.getLength());
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IIOMetadataNode colorSpaceType = (IIOMetadataNode) chroma.getFirstChild();
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assertEquals("ColorSpaceType", colorSpaceType.getNodeName());
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assertEquals("GRAY", colorSpaceType.getAttribute("name"));
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IIOMetadataNode numChannels = (IIOMetadataNode) colorSpaceType.getNextSibling();
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assertEquals("NumChannels", numChannels.getNodeName());
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assertEquals("1", numChannels.getAttribute("value"));
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IIOMetadataNode blackIsZero = (IIOMetadataNode) numChannels.getNextSibling();
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assertEquals("BlackIsZero", blackIsZero.getNodeName());
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assertEquals("TRUE", blackIsZero.getAttribute("value"));
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assertNull(blackIsZero.getNextSibling()); // No more children
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}
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@Test
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public void testStandardChromaRGB() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode chroma = metadata.getStandardChromaNode();
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assertNotNull(chroma);
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assertEquals("Chroma", chroma.getNodeName());
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assertEquals(3, chroma.getLength());
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IIOMetadataNode colorSpaceType = (IIOMetadataNode) chroma.getFirstChild();
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assertEquals("ColorSpaceType", colorSpaceType.getNodeName());
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assertEquals("RGB", colorSpaceType.getAttribute("name"));
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IIOMetadataNode numChannels = (IIOMetadataNode) colorSpaceType.getNextSibling();
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assertEquals("NumChannels", numChannels.getNodeName());
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assertEquals("3", numChannels.getAttribute("value"));
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IIOMetadataNode blackIsZero = (IIOMetadataNode) numChannels.getNextSibling();
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assertEquals("BlackIsZero", blackIsZero.getNodeName());
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assertEquals("TRUE", blackIsZero.getAttribute("value"));
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assertNull(blackIsZero.getNextSibling()); // No more children
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}
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@Test
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public void testStandardChromaPalette() {
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BMHDChunk header = new BMHDChunk(300, 200, 1, BMHDChunk.MASK_TRANSPARENT_COLOR, BMHDChunk.COMPRESSION_BYTE_RUN, 1);
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byte[] bw = {0, (byte) 0xff};
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, new IndexColorModel(header.bitplanes, bw.length, bw, bw, bw, header.transparentIndex), null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode chroma = metadata.getStandardChromaNode();
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assertNotNull(chroma);
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assertEquals("Chroma", chroma.getNodeName());
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assertEquals(4, chroma.getLength());
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IIOMetadataNode colorSpaceType = (IIOMetadataNode) chroma.getFirstChild();
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assertEquals("ColorSpaceType", colorSpaceType.getNodeName());
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assertEquals("RGB", colorSpaceType.getAttribute("name"));
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IIOMetadataNode numChannels = (IIOMetadataNode) colorSpaceType.getNextSibling();
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assertEquals("NumChannels", numChannels.getNodeName());
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assertEquals("3", numChannels.getAttribute("value"));
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IIOMetadataNode blackIsZero = (IIOMetadataNode) numChannels.getNextSibling();
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assertEquals("BlackIsZero", blackIsZero.getNodeName());
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assertEquals("TRUE", blackIsZero.getAttribute("value"));
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IIOMetadataNode palette = (IIOMetadataNode) blackIsZero.getNextSibling();
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assertEquals("Palette", palette.getNodeName());
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assertEquals(bw.length, palette.getLength());
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for (int i = 0; i < palette.getLength(); i++) {
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IIOMetadataNode item0 = (IIOMetadataNode) palette.item(i);
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assertEquals("PaletteEntry", item0.getNodeName());
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assertEquals(String.valueOf(i), item0.getAttribute("index"));
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String rgb = String.valueOf(bw[i] & 0xff);
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assertEquals(rgb, item0.getAttribute("red"));
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assertEquals(rgb, item0.getAttribute("green"));
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assertEquals(rgb, item0.getAttribute("blue"));
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}
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// TODO: BackgroundIndex == 1??
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}
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@Test
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public void testStandardCompressionRLE() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode compression = metadata.getStandardCompressionNode();
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assertNotNull(compression);
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assertEquals("Compression", compression.getNodeName());
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assertEquals(2, compression.getLength());
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IIOMetadataNode compressionTypeName = (IIOMetadataNode) compression.getFirstChild();
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assertEquals("CompressionTypeName", compressionTypeName.getNodeName());
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assertEquals("RLE", compressionTypeName.getAttribute("value"));
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IIOMetadataNode lossless = (IIOMetadataNode) compressionTypeName.getNextSibling();
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assertEquals("Lossless", lossless.getNodeName());
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assertEquals("TRUE", lossless.getAttribute("value"));
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assertNull(lossless.getNextSibling()); // No more children
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}
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@Test
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public void testStandardCompressionNone() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_NONE, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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assertNull(metadata.getStandardCompressionNode()); // No compression, all default...
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}
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@Test
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public void testStandardDataILBM_Gray() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PlaneInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("UnsignedIntegral", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals("8", bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDataILBM_RGB() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PlaneInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("UnsignedIntegral", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals("8 8 8", bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDataILBM_RGBA() {
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BMHDChunk header = new BMHDChunk(300, 200, 32, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PlaneInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("UnsignedIntegral", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals("8 8 8 8", bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDataILBM_Palette() {
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for (int i = 1; i <= 8; i++) {
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BMHDChunk header = new BMHDChunk(300, 200, i, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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byte[] rgb = new byte[2 << i]; // Colors doesn't really matter here
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, new IndexColorModel(header.bitplanes, rgb.length, rgb, rgb, rgb, 0), null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PlaneInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("Index", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals(String.valueOf(i), bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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}
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@Test
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public void testStandardDataPBM_Gray() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_PBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PixelInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("UnsignedIntegral", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals("8", bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDataPBM_RGB() {
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BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_PBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode data = metadata.getStandardDataNode();
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assertNotNull(data);
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assertEquals("Data", data.getNodeName());
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assertEquals(3, data.getLength());
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IIOMetadataNode planarConfiguration = (IIOMetadataNode) data.getFirstChild();
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assertEquals("PlanarConfiguration", planarConfiguration.getNodeName());
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assertEquals("PixelInterleaved", planarConfiguration.getAttribute("value"));
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IIOMetadataNode sampleFomat = (IIOMetadataNode) planarConfiguration.getNextSibling();
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assertEquals("SampleFormat", sampleFomat.getNodeName());
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assertEquals("UnsignedIntegral", sampleFomat.getAttribute("value"));
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IIOMetadataNode bitsPerSample = (IIOMetadataNode) sampleFomat.getNextSibling();
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assertEquals("BitsPerSample", bitsPerSample.getNodeName());
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assertEquals("8 8 8", bitsPerSample.getAttribute("value"));
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assertNull(bitsPerSample.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDimensionNoViewport() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
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IIOMetadataNode dimension = metadata.getStandardDimensionNode();
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assertNull(dimension);
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}
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@Test
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public void testStandardDimensionNormal() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, new CAMGChunk(4), Collections.<GenericChunk>emptyList());
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IIOMetadataNode dimension = metadata.getStandardDimensionNode();
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assertNotNull(dimension);
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assertEquals("Dimension", dimension.getNodeName());
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assertEquals(1, dimension.getLength());
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IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) dimension.getFirstChild();
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assertEquals("PixelAspectRatio", pixelAspectRatio.getNodeName());
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assertEquals("1.0", pixelAspectRatio.getAttribute("value"));
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assertNull(pixelAspectRatio.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDimensionHires() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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CAMGChunk viewPort = new CAMGChunk(4);
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viewPort.camg = 0x8000;
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, viewPort, Collections.<GenericChunk>emptyList());
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IIOMetadataNode dimension = metadata.getStandardDimensionNode();
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assertNotNull(dimension);
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assertEquals("Dimension", dimension.getNodeName());
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assertEquals(1, dimension.getLength());
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IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) dimension.getFirstChild();
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assertEquals("PixelAspectRatio", pixelAspectRatio.getNodeName());
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assertEquals("2.0", pixelAspectRatio.getAttribute("value"));
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assertNull(pixelAspectRatio.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDimensionInterlaced() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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CAMGChunk viewPort = new CAMGChunk(4);
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viewPort.camg = 0x4;
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IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, viewPort, Collections.<GenericChunk>emptyList());
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IIOMetadataNode dimension = metadata.getStandardDimensionNode();
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assertNotNull(dimension);
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assertEquals("Dimension", dimension.getNodeName());
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assertEquals(1, dimension.getLength());
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IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) dimension.getFirstChild();
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assertEquals("PixelAspectRatio", pixelAspectRatio.getNodeName());
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assertEquals("0.5", pixelAspectRatio.getAttribute("value"));
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assertNull(pixelAspectRatio.getNextSibling()); // No more children
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}
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@Test
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public void testStandardDimensionHiresInterlaced() {
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BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
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||||
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CAMGChunk viewPort = new CAMGChunk(4);
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viewPort.camg = 0x8004;
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||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, viewPort, Collections.<GenericChunk>emptyList());
|
||||
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||||
IIOMetadataNode dimension = metadata.getStandardDimensionNode();
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||||
assertNotNull(dimension);
|
||||
assertEquals("Dimension", dimension.getNodeName());
|
||||
assertEquals(1, dimension.getLength());
|
||||
|
||||
IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) dimension.getFirstChild();
|
||||
assertEquals("PixelAspectRatio", pixelAspectRatio.getNodeName());
|
||||
assertEquals("1.0", pixelAspectRatio.getAttribute("value"));
|
||||
|
||||
assertNull(pixelAspectRatio.getNextSibling()); // No more children
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStandardDocument() {
|
||||
BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
|
||||
|
||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
|
||||
|
||||
IIOMetadataNode document = metadata.getStandardDocumentNode();
|
||||
assertNotNull(document);
|
||||
assertEquals("Document", document.getNodeName());
|
||||
assertEquals(1, document.getLength());
|
||||
|
||||
IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) document.getFirstChild();
|
||||
assertEquals("FormatVersion", pixelAspectRatio.getNodeName());
|
||||
assertEquals("1.0", pixelAspectRatio.getAttribute("value"));
|
||||
|
||||
assertNull(pixelAspectRatio.getNextSibling()); // No more children
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStandardText() {
|
||||
BMHDChunk header = new BMHDChunk(300, 200, 8, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
|
||||
|
||||
String[] texts = {"annotation", "äñnótâtïøñ"};
|
||||
List<GenericChunk> meta = Arrays.asList(new GenericChunk(IFF.CHUNK_ANNO, texts[0].getBytes(StandardCharsets.US_ASCII)),
|
||||
new GenericChunk(IFF.CHUNK_UTF8, texts[1].getBytes(StandardCharsets.UTF_8)));
|
||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, meta);
|
||||
|
||||
IIOMetadataNode text = metadata.getStandardTextNode();
|
||||
assertNotNull(text);
|
||||
assertEquals("Text", text.getNodeName());
|
||||
assertEquals(texts.length, text.getLength());
|
||||
|
||||
for (int i = 0; i < texts.length; i++) {
|
||||
IIOMetadataNode textEntry = (IIOMetadataNode) text.item(i);
|
||||
assertEquals("TextEntry", textEntry.getNodeName());
|
||||
assertEquals(IFFUtil.toChunkStr(meta.get(i).chunkId), textEntry.getAttribute("keyword"));
|
||||
assertEquals(texts[i], textEntry.getAttribute("value"));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStandardTransparencyRGB() {
|
||||
BMHDChunk header = new BMHDChunk(300, 200, 24, BMHDChunk.MASK_NONE, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
|
||||
|
||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
|
||||
|
||||
IIOMetadataNode transparency = metadata.getStandardTransparencyNode();
|
||||
assertNull(transparency); // No transparency, just defaults
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStandardTransparencyRGBA() {
|
||||
BMHDChunk header = new BMHDChunk(300, 200, 32, BMHDChunk.MASK_HAS_MASK, BMHDChunk.COMPRESSION_BYTE_RUN, 0);
|
||||
|
||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, null, null, Collections.<GenericChunk>emptyList());
|
||||
|
||||
IIOMetadataNode transparency = metadata.getStandardTransparencyNode();
|
||||
assertNotNull(transparency);
|
||||
assertEquals("Transparency", transparency.getNodeName());
|
||||
assertEquals(1, transparency.getLength());
|
||||
|
||||
IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) transparency.getFirstChild();
|
||||
assertEquals("Alpha", pixelAspectRatio.getNodeName());
|
||||
assertEquals("nonpremultiplied", pixelAspectRatio.getAttribute("value"));
|
||||
|
||||
assertNull(pixelAspectRatio.getNextSibling()); // No more children
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStandardTransparencyPalette() {
|
||||
BMHDChunk header = new BMHDChunk(300, 200, 1, BMHDChunk.MASK_TRANSPARENT_COLOR, BMHDChunk.COMPRESSION_BYTE_RUN, 1);
|
||||
|
||||
byte[] bw = {0, (byte) 0xff};
|
||||
IFFImageMetadata metadata = new IFFImageMetadata(IFF.TYPE_ILBM, header, new IndexColorModel(header.bitplanes, bw.length, bw, bw, bw, header.transparentIndex), null, Collections.<GenericChunk>emptyList());
|
||||
|
||||
IIOMetadataNode transparency = metadata.getStandardTransparencyNode();
|
||||
assertNotNull(transparency);
|
||||
assertEquals("Transparency", transparency.getNodeName());
|
||||
assertEquals(1, transparency.getLength());
|
||||
|
||||
IIOMetadataNode pixelAspectRatio = (IIOMetadataNode) transparency.getFirstChild();
|
||||
assertEquals("TransparentIndex", pixelAspectRatio.getNodeName());
|
||||
assertEquals("1", pixelAspectRatio.getAttribute("value"));
|
||||
|
||||
assertNull(pixelAspectRatio.getNextSibling()); // No more children
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user