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#675 PSD 16/32 bit layer support pt2: Cross-platform test

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(cherry picked from commit 7d401d0194cd08022b62b4ae321bc59512ddb4f2)
This commit is contained in:
Harald Kuhr 2022-06-10 15:19:14 +02:00
parent b6c76d8566
commit 08b441a17e
1 changed files with 47 additions and 9 deletions
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56
imageio/imageio-psd/src/test/java/com/twelvemonkeys/imageio/plugins/psd/PSDImageReaderTest.java
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@ -45,6 +45,7 @@ import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import java.awt.*;
import java.awt.color.*;
import java.awt.image.*;
import java.io.IOException;
import java.util.ArrayList;
@ -638,12 +639,18 @@ public class PSDImageReaderTest extends ImageReaderAbstractTest<PSDImageReader>
assertNotNull(layer2);
assertEquals(400, layer2.getWidth());
assertEquals(191, layer2.getHeight());
assertEquals(ColorSpace.TYPE_CMYK, layer2.getColorModel().getColorSpace().getType());
assertEquals(5, layer2.getColorModel().getNumComponents());
assertRGBEquals("RGB differ at (0,0)", 0xff090b0b, layer2.getRGB(0, 0), 4);
assertRGBEquals("RGB differ at (399,0)", 0xff090b0b, layer2.getRGB(399, 0), 4);
// For cross-platform testing: as the PSD does not have embedded CMYK profile, we'll use built-in RGB conversion
ColorModel cmykAlpha = new ComponentColorModel(new FakeCMYKColorSpace(), true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_USHORT);
layer2 = new BufferedImage(cmykAlpha, layer2.getRaster(), cmykAlpha.isAlphaPremultiplied(), null);
assertRGBEquals("RGB differ at (0,0)", 0xff060808, layer2.getRGB(0, 0), 4);
assertRGBEquals("RGB differ at (399,0)", 0xff060808, layer2.getRGB(399, 0), 4);
assertRGBEquals("RGB differ at (200,95)", 0x00ffffff, layer2.getRGB(200, 95), 4); // Transparent
assertRGBEquals("RGB differ at (0,191)", 0xff090b0b, layer2.getRGB(0, 190), 4);
assertRGBEquals("RGB differ at (399,191)", 0xff090b0b, layer2.getRGB(399, 190), 4);
assertRGBEquals("RGB differ at (0,191)", 0xff060808, layer2.getRGB(0, 190), 4);
assertRGBEquals("RGB differ at (399,191)", 0xff060808, layer2.getRGB(399, 190), 4);
assertEquals(400, imageReader.getWidth(3));
assertEquals(191, imageReader.getHeight(3));
@ -652,12 +659,17 @@ public class PSDImageReaderTest extends ImageReaderAbstractTest<PSDImageReader>
assertNotNull(layer3);
assertEquals(400, layer3.getWidth());
assertEquals(191, layer3.getHeight());
assertEquals(ColorSpace.TYPE_CMYK, layer3.getColorModel().getColorSpace().getType());
assertEquals(5, layer3.getColorModel().getNumComponents());
assertRGBEquals("RGB differ at (0,0)", 0xffeec335, layer3.getRGB(0, 0), 4);
assertRGBEquals("RGB differ at (399,0)", 0xffeec335, layer3.getRGB(399, 0), 4);
assertRGBEquals("RGB differ at (200,95)", 0xffdb3b3b, layer3.getRGB(200, 95), 4); // Red
assertRGBEquals("RGB differ at (0,191)", 0xffeec335, layer3.getRGB(0, 190), 4);
assertRGBEquals("RGB differ at (399,191)", 0xffeec335, layer3.getRGB(399, 190), 4);
// For cross-platform testing: as the PSD does not have embedded CMYK profile, we'll use built-in RGB conversion
layer3 = new BufferedImage(cmykAlpha, layer3.getRaster(), cmykAlpha.isAlphaPremultiplied(), null);
assertRGBEquals("RGB differ at (0,0)", 0xfff5cb0c, layer3.getRGB(0, 0), 4);
assertRGBEquals("RGB differ at (399,0)", 0xfff5cb0c, layer3.getRGB(399, 0), 4);
assertRGBEquals("RGB differ at (200,95)", 0xffff152a, layer3.getRGB(200, 95), 4); // Red
assertRGBEquals("RGB differ at (0,191)", 0xfff5cb0c, layer3.getRGB(0, 190), 4);
assertRGBEquals("RGB differ at (399,191)", 0xfff5cb0c, layer3.getRGB(399, 190), 4);
}
}
@ -682,4 +694,30 @@ public class PSDImageReaderTest extends ImageReaderAbstractTest<PSDImageReader>
assertRGBEquals("RGB differ at (4,4)", 0xff888888, image.getRGB(4, 4), 4);
}
}
final static class FakeCMYKColorSpace extends ColorSpace {
FakeCMYKColorSpace() {
super(ColorSpace.TYPE_CMYK, 4);
}
public float[] toRGB(float[] cmyk) {
return new float[] {
(1 - cmyk[0]) * (1 - cmyk[3]),
(1 - cmyk[1]) * (1 - cmyk[3]),
(1 - cmyk[2]) * (1 - cmyk[3])
};
}
public float[] fromRGB(float[] rgb) {
throw new UnsupportedOperationException();
}
public float[] toCIEXYZ(float[] cmyk) {
throw new UnsupportedOperationException();
}
public float[] fromCIEXYZ(float[] cieXYZ) {
throw new UnsupportedOperationException();
}
}
}