| /* |
| * Copyright (c) 2012, 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 7124245 |
| * @summary Test verifies that color conversion does not distort |
| * colors in destination image of standard type. |
| * |
| * @run main GrayTest |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics2D; |
| import java.awt.color.ColorSpace; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ColorConvertOp; |
| |
| public class GrayTest { |
| public static void main(String[] args) { |
| GrayTest t = new GrayTest(); |
| |
| t.doTest(BufferedImage.TYPE_INT_RGB); |
| t.doTest(BufferedImage.TYPE_INT_BGR); |
| t.doTest(BufferedImage.TYPE_INT_ARGB); |
| t.doTest(BufferedImage.TYPE_3BYTE_BGR); |
| t.doTest(BufferedImage.TYPE_4BYTE_ABGR); |
| System.out.println("Test passed."); |
| } |
| |
| private static final int w = 3; |
| private static final int h = 3; |
| |
| private BufferedImage src; |
| private BufferedImage dst; |
| |
| private ColorConvertOp op; |
| |
| public GrayTest() { |
| ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY); |
| op = new ColorConvertOp(cs, null); |
| } |
| |
| private void render(Graphics2D g) { |
| g.setColor(Color.red); |
| g.fillRect(0, 0, w, h); |
| } |
| |
| private BufferedImage initImage(int type) { |
| BufferedImage img = new BufferedImage(w, h, type); |
| Graphics2D g = img.createGraphics(); |
| |
| render(g); |
| |
| g.dispose(); |
| |
| return img; |
| } |
| |
| public void doTest(int type) { |
| System.out.println("Test for type: " + type); |
| src = initImage(type); |
| |
| dst = initImage(type); |
| |
| dst = op.filter(src, dst); |
| |
| int pixel = dst.getRGB(1, 1); |
| int r = 0xff & (pixel >> 16); |
| int g = 0xff & (pixel >> 8); |
| int b = 0xff & (pixel ); |
| |
| System.out.printf("dst: r:%02x, g: %02x, %02x\n", |
| r, g, b); |
| |
| if (r != g || r != b) { |
| String msg = String.format("Invalid pixel: %08x", pixel); |
| throw new RuntimeException(msg); |
| } |
| System.out.println("Done."); |
| } |
| } |