TGAImageReaderTest.java
/*
* Copyright (c) 2014, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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*/
package com.twelvemonkeys.imageio.plugins.tga;
import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
import org.w3c.dom.NodeList;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
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.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
/**
* TGAImageReaderTest
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: haraldk$
* @version $Id: TGAImageReaderTest.java,v 1.0 03.07.14 22:28 haraldk Exp$
*/
public class TGAImageReaderTest extends ImageReaderAbstractTest<TGAImageReader> {
@Override
protected ImageReaderSpi createProvider() {
return new TGAImageReaderSpi();
}
@Override
protected List<TestData> getTestData() {
return Arrays.asList(
new TestData(getClassLoaderResource("/tga/MARBLES.TGA"), new Dimension(1419, 1001)), // Uncompressed BGR
// Original TrueVision sample suite
new TestData(getClassLoaderResource("/tga/UBW8.TGA"), new Dimension(128, 128)), // Uncompressed monochrome
new TestData(getClassLoaderResource("/tga/UCM8.TGA"), new Dimension(128, 128)), // Uncompressed 8 bit colormapped, 16 bit palette
new TestData(getClassLoaderResource("/tga/UTC16.TGA"), new Dimension(128, 128)), // Uncompressed 16 bit BGR
new TestData(getClassLoaderResource("/tga/UTC24.TGA"), new Dimension(128, 128)), // Uncompressed 24 bit BGR
new TestData(getClassLoaderResource("/tga/UTC32.TGA"), new Dimension(128, 128)), // Uncompressed 32 bit BGRA
new TestData(getClassLoaderResource("/tga/CBW8.TGA"), new Dimension(128, 128)), // RLE compressed monochrome
new TestData(getClassLoaderResource("/tga/CCM8.TGA"), new Dimension(128, 128)), // RLE compressed 8 bit colormapped, 16 bit palette
new TestData(getClassLoaderResource("/tga/CTC16.TGA"), new Dimension(128, 128)), // RLE compressed 16 bit BGR
new TestData(getClassLoaderResource("/tga/CTC24.TGA"), new Dimension(128, 128)), // RLE compressed 24 bit BGR
new TestData(getClassLoaderResource("/tga/CTC32.TGA"), new Dimension(128, 128)), // RLE compressed 32 bit BGRA
// More samples from http://www.fileformat.info/format/tga/sample/index.htm
new TestData(getClassLoaderResource("/tga/FLAG_B16.TGA"), new Dimension(124, 124)), // Uncompressed 16 bit BGR bottom/up
new TestData(getClassLoaderResource("/tga/FLAG_B24.TGA"), new Dimension(124, 124)), // Uncompressed 24 bit BGR bottom/up
new TestData(getClassLoaderResource("/tga/FLAG_B32.TGA"), new Dimension(124, 124)), // Uncompressed 32 bit BGRX bottom/up
new TestData(getClassLoaderResource("/tga/FLAG_T16.TGA"), new Dimension(124, 124)), // Uncompressed 16 bit BGR top/down
// new TestData(getClassLoaderResource("/tga/FLAG_T24.TGA"), new Dimension(124, 124)), // Uncompressed 24 bit BGR top/down (missing from file set)
new TestData(getClassLoaderResource("/tga/FLAG_T32.TGA"), new Dimension(124, 124)), // Uncompressed 32 bit BGRX top/down
new TestData(getClassLoaderResource("/tga/XING_B16.TGA"), new Dimension(240, 164)), // Uncompressed 16 bit BGR bottom/up
new TestData(getClassLoaderResource("/tga/XING_B24.TGA"), new Dimension(240, 164)), // Uncompressed 24 bit BGR bottom/up
new TestData(getClassLoaderResource("/tga/XING_B32.TGA"), new Dimension(240, 164)), // Uncompressed 32 bit BGRX bottom/up
new TestData(getClassLoaderResource("/tga/XING_T16.TGA"), new Dimension(240, 164)), // Uncompressed 16 bit BGR top/down
new TestData(getClassLoaderResource("/tga/XING_T24.TGA"), new Dimension(240, 164)), // Uncompressed 24 bit BGR top/down
new TestData(getClassLoaderResource("/tga/XING_T32.TGA"), new Dimension(240, 164)), // Uncompressed 32 bit BGRX top/down
new TestData(getClassLoaderResource("/tga/autodesk-3dsmax-extsize494.tga"), new Dimension(440, 200)), // RLE compressed 32 bit BGRA bottom/up, with extension area size 494
new TestData(getClassLoaderResource("/tga/monochrome16_top_left.tga"), new Dimension(64, 64)), // Uncompressed 16 bit monochrome
new TestData(getClassLoaderResource("/tga/monochrome16_top_left_rle.tga"), new Dimension(64, 64)), // RLE compressed 16 bit monochrome
new TestData(getClassLoaderResource("/tga/692c33d1-d0c3-4fe2-a059-f199d063bc7a.tga"), new Dimension(256, 256)), // Uncompressed BGR, with colorMapDepth set to 24
new TestData(getClassLoaderResource("/tga/0112eccd-2c29-4368-bcef-59c823b6e5d1.tga"), new Dimension(256, 256)), // RLE compressed BGR, with extension area size 0
new TestData(getClassLoaderResource("/tga/alpha-no-extension.tga"), new Dimension(167, 64)) // Uncompressed BGRA, without extension area
);
}
@Override
protected List<String> getFormatNames() {
return Arrays.asList("TGA", "tga", "TARGA", "targa");
}
@Override
protected List<String> getSuffixes() {
return Arrays.asList("tga", "tpic");
}
@Override
protected List<String> getMIMETypes() {
return Arrays.asList(
"image/tga", "image/x-tga",
"image/targa", "image/x-targa"
);
}
@Test
public void testSubsampling() throws IOException {
ImageReader reader = createReader();
ImageReadParam param = reader.getDefaultReadParam();
param.setSourceSubsampling(3, 5, 0, 0);
for (TestData testData : getTestData()) {
try (ImageInputStream input = testData.getInputStream()) {
reader.setInput(input);
assertNotNull(reader.read(0, param));
}
finally {
reader.reset();
}
}
reader.dispose();
}
@Test
public void testAlpha() throws IOException {
ImageReader reader = createReader();
// These samples have "attribute bits" that are *NOT* alpha, according to the extension area
for (String sample : Arrays.asList("/tga/UTC16.TGA", "/tga/UTC32.TGA", "/tga/CTC16.TGA", "/tga/CTC32.TGA")) {
try (ImageInputStream input = ImageIO.createImageInputStream(getClassLoaderResource(sample))) {
reader.setInput(input);
BufferedImage image = reader.read(0);
String message = String.format("RGB value differs for sample '%s'", sample);
assertRGBEquals(message, 0xffff0000, image.getRGB(0, 0), 0);
assertRGBEquals(message, 0xff00ff00, image.getRGB(8, 0), 0);
assertRGBEquals(message, 0xff0000ff, image.getRGB(16, 0), 0);
assertRGBEquals(message, 0xff000000, image.getRGB(24, 0), 0);
assertRGBEquals(message, 0xffff0000, image.getRGB(32, 0), 0);
assertRGBEquals(message, 0xff00ff00, image.getRGB(40, 0), 0);
assertRGBEquals(message, 0xff0000ff, image.getRGB(48, 0), 0);
assertRGBEquals(message, 0xffffffff, image.getRGB(56, 0), 0);
}
}
// This sample has "attribute bits" that *ARE* alpha, and there is no extension area
try (ImageInputStream input = ImageIO.createImageInputStream(getClassLoaderResource("/tga/alpha-no-extension.tga"))) {
reader.setInput(input);
BufferedImage image = reader.read(0);
String message = "RGB value differs for sample '/tga/alpha-no-extension.tga'";
assertRGBEquals(message, 0x00ffffff, image.getRGB(0, 0), 0);
assertRGBEquals(message, 0xffffffff, image.getRGB(48, 14), 0);
}
reader.dispose();
}
@Test
public void testMetadataTextEntries() throws IOException {
ImageReader reader = createReader();
try (ImageInputStream input = ImageIO.createImageInputStream(getClassLoaderResource("/tga/autodesk-3dsmax-extsize494.tga"))) {
reader.setInput(input);
IIOMetadata metadata = reader.getImageMetadata(0);
IIOMetadataNode root = (IIOMetadataNode) metadata.getAsTree(IIOMetadataFormatImpl.standardMetadataFormatName);
NodeList textEntries = root.getElementsByTagName("TextEntry");
boolean softwareFound = false;
for (int i = 0; i < root.getLength(); i++) {
IIOMetadataNode software = (IIOMetadataNode) textEntries.item(i);
if ("Software".equals(software.getAttribute("keyword"))) {
assertEquals("Autodesk 3ds max 1.0", software.getAttribute("value"));
softwareFound = true;
break;
}
}
assertTrue(softwareFound, "No Software TextEntry");
}
finally {
reader.dispose();
}
}
}