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