117 lines
4.1 KiB
Java
117 lines
4.1 KiB
Java
/*
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* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6286578
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* @summary Test verifies that RGB images does not convert to gray-scaled if
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* default image metadata is used
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*/
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriteParam;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.stream.ImageInputStream;
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import javax.imageio.stream.ImageOutputStream;
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public class RGBImageTest {
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Color[] usedColors = {
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Color.red, Color.green, Color.blue, Color.yellow,
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Color.cyan, Color.magenta, Color.white, Color.black };
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BufferedImage src = null;
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int dx= 20;
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int height = 100;
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protected BufferedImage getSrc() {
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if (src == null) {
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src = new BufferedImage(dx * usedColors.length, height,
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BufferedImage.TYPE_INT_RGB);
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Graphics g = src.createGraphics();
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for (int i = 0; i < usedColors.length; i++) {
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g.setColor(usedColors[i]);
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g.fillRect(dx * i, 0, dx, height);
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}
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}
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return src;
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}
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protected void doTest() throws IOException {
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BufferedImage biSrc = getSrc();
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ImageWriter writer = ImageIO.getImageWritersByFormatName("GIF").next();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
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writer.setOutput(ios);
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ImageWriteParam writeParam = writer.getDefaultWriteParam();
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IIOMetadata imageMetadata =
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writer.getDefaultImageMetadata(new ImageTypeSpecifier(biSrc), writeParam);
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IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(writeParam);
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IIOImage iioImg = new IIOImage(biSrc, null, imageMetadata);
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writer.write(streamMetadata, iioImg, writeParam);
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ios.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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ImageInputStream iis = ImageIO.createImageInputStream(bais);
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ImageReader reader = ImageIO.getImageReader(writer);
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reader.setInput(iis);
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BufferedImage dst = reader.read(0);
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// do test
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int x = dx / 2;
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int y = height / 2;
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for (int i = 0; i < usedColors.length; i++) {
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int dstRgb = dst.getRGB(x, y);
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System.out.println("dstColor: " + Integer.toHexString(dstRgb));
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int srcRgb = usedColors[i].getRGB();
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System.out.println("srcColor: " + Integer.toHexString(srcRgb));
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if (dstRgb != srcRgb) {
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throw new RuntimeException("wrong color " + i + ": " + Integer.toHexString(dstRgb));
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}
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x += dx;
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}
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}
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public static void main(String[] args) throws IOException {
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RGBImageTest t = new RGBImageTest();
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t.doTest();
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}
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}
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