DDSImageReaderTest.java
/*
* Copyright (c) 2024, Harald Kuhr
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package com.twelvemonkeys.imageio.plugins.dds;
import static org.junit.jupiter.api.Assertions.assertEquals;
import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import java.awt.Dimension;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.jupiter.api.Test;
import org.w3c.dom.NodeList;
public class DDSImageReaderTest extends ImageReaderAbstractTest<DDSImageReader> {
@Override
protected ImageReaderSpi createProvider() {
return new DDSImageReaderSpi();
}
@Override
protected List<TestData> getTestData() {
Dimension dim256 = new Dimension(256, 256);
Dimension dim128 = new Dimension(128, 128);
Dimension dim64 = new Dimension(64, 64);
Dimension dim32 = new Dimension(32, 32);
Dimension dim16 = new Dimension(16, 16);
Dimension dim8 = new Dimension(8, 8);
Dimension dim4 = new Dimension(4, 4);
Dimension dim2 = new Dimension(2, 2);
Dimension dim1 = new Dimension(1, 1);
return Arrays.asList(
new TestData(getClassLoaderResource("/dds/dds_A1R5G5B5.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_A1R5G5B5_mipmap.dds"), dim256, dim128, dim64, dim32, dim16, dim8, dim4, dim2, dim1),
new TestData(getClassLoaderResource("/dds/dds_A4R4G4B4.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_A4R4G4B4_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_A8B8G8R8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_A8B8G8R8_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_A8R8G8B8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_A8R8G8B8_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_DXT1.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_DXT1_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_DXT2.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_DXT2_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_DXT3.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_DXT3_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_DXT4.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_DXT4_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_DXT5.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_DXT5_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_R5G6B5.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_R5G6B5_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_R8G8B8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_R8G8B8_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_X1R5G5B5.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_X1R5G5B5_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_X4R4G4B4.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_X4R4G4B4_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_X8B8G8R8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_X8B8G8R8_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dds_X8R8G8B8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dds_X8R8G8B8_mipmap.dds"), dim256, dim128, dim64),
new TestData(getClassLoaderResource("/dds/dxt10_BC1_sRGB.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dxt10_BC2_sRGB.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dxt10_BC3_sRGB.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dxt10_B8G8R8A8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dxt10_B8G8R8X8.dds"), dim256),
new TestData(getClassLoaderResource("/dds/dxt10_R8G8B8A8.dds"), dim256)
);
}
@Override
protected List<String> getFormatNames() {
return Arrays.asList("DDS", "dds");
}
@Override
protected List<String> getSuffixes() {
return Collections.singletonList("dds");
}
@Override
protected List<String> getMIMETypes() {
return Collections.singletonList("image/vnd-ms.dds");
}
@Test
void metadataDXT5() throws IOException {
ImageReader reader = createReader();
try (ImageInputStream inputStream = ImageIO.createImageInputStream(getClassLoaderResource("/dds/dds_DXT5.dds"))) {
reader.setInput(inputStream);
IIOMetadata metadata = reader.getImageMetadata(0);
IIOMetadataNode tree = (IIOMetadataNode) metadata.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName);
NodeList compressionTypeNames = tree.getElementsByTagName("CompressionTypeName");
assertEquals(1, compressionTypeNames.getLength());
IIOMetadataNode compressionTypeName = (IIOMetadataNode) compressionTypeNames.item(0);
assertEquals("DXT5", compressionTypeName.getAttribute("value"));
NodeList losslesses = tree.getElementsByTagName("Lossless");
assertEquals(1, losslesses.getLength());
IIOMetadataNode lossless = (IIOMetadataNode) losslesses.item(0);
assertEquals("FALSE", lossless.getAttribute("value"));
NodeList bitsPerSamples = tree.getElementsByTagName("BitsPerSample");
assertEquals(1, bitsPerSamples.getLength());
IIOMetadataNode bitsPerSample = (IIOMetadataNode) bitsPerSamples.item(0);
assertEquals("8 8 8 8", bitsPerSample.getAttribute("value"));
NodeList alphas = tree.getElementsByTagName("Alpha");
assertEquals(1, alphas.getLength());
IIOMetadataNode alpha = (IIOMetadataNode) alphas.item(0);
assertEquals("nonpremultiplied", alpha.getAttribute("value"));
}
finally {
reader.dispose();
}
}
@Test
void metadataRGB565() throws IOException {
ImageReader reader = createReader();
try (ImageInputStream inputStream = ImageIO.createImageInputStream(getClassLoaderResource("/dds/dds_R5G6B5.dds"))) {
reader.setInput(inputStream);
IIOMetadata metadata = reader.getImageMetadata(0);
IIOMetadataNode tree = (IIOMetadataNode) metadata.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName);
NodeList compressions = tree.getElementsByTagName("Compression");
assertEquals(0, compressions.getLength());
NodeList bitsPerSamples = tree.getElementsByTagName("BitsPerSample");
assertEquals(1, bitsPerSamples.getLength());
IIOMetadataNode bitsPerSample = (IIOMetadataNode) bitsPerSamples.item(0);
assertEquals("5 6 5 0", bitsPerSample.getAttribute("value")); // or "5 6 5"
NodeList alphas = tree.getElementsByTagName("Alpha");
assertEquals(1, alphas.getLength());
IIOMetadataNode alpha = (IIOMetadataNode) alphas.item(0);
assertEquals("none", alpha.getAttribute("value"));
}
finally {
reader.dispose();
}
}
}