1 /*
   2  * Copyright (c) 2007, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug     4614845
  27  * @summary Test drawImage(bgcolor) gets correct RGB from SystemColor objects.
  28  * @run     main SystemBgColorTest
  29  */
  30 
  31 import java.awt.AlphaComposite;
  32 import java.awt.Color;
  33 import java.awt.Graphics2D;
  34 import java.awt.Image;
  35 import java.awt.SystemColor;
  36 import java.awt.image.BufferedImage;
  37 import java.awt.image.DataBuffer;
  38 import java.awt.image.IndexColorModel;
  39 
  40 public class SystemBgColorTest {
  41     public static final int TESTW = 10;
  42     public static final int TESTH = 10;
  43 
  44     static SystemColor systemColorObjects [] = {
  45         SystemColor.desktop,
  46         SystemColor.activeCaption,
  47         SystemColor.activeCaptionText,
  48         SystemColor.activeCaptionBorder,
  49         SystemColor.inactiveCaption,
  50         SystemColor.inactiveCaptionText,
  51         SystemColor.inactiveCaptionBorder,
  52         SystemColor.window,
  53         SystemColor.windowBorder,
  54         SystemColor.windowText,
  55         SystemColor.menu,
  56         SystemColor.menuText,
  57         SystemColor.text,
  58         SystemColor.textText,
  59         SystemColor.textHighlight,
  60         SystemColor.textHighlightText,
  61         SystemColor.textInactiveText,
  62         SystemColor.control,
  63         SystemColor.controlText,
  64         SystemColor.controlHighlight,
  65         SystemColor.controlLtHighlight,
  66         SystemColor.controlShadow,
  67         SystemColor.controlDkShadow,
  68         SystemColor.scrollbar,
  69         SystemColor.info,
  70         SystemColor.infoText
  71     };
  72 
  73     static boolean counterrors;
  74     static int errcount;
  75 
  76     public static void error(String problem) {
  77         if (counterrors) {
  78             errcount++;
  79         } else {
  80             throw new RuntimeException(problem);
  81         }
  82     }
  83 
  84     public static void main(String argv[]) {
  85         counterrors = (argv.length > 0);
  86         test(BufferedImage.TYPE_INT_ARGB);
  87         test(BufferedImage.TYPE_INT_RGB);
  88         if (errcount > 0) {
  89             throw new RuntimeException(errcount+" errors");
  90         }
  91     }
  92 
  93     static int cmap[] = {
  94         0x00000000,
  95         0xffffffff,
  96     };
  97 
  98     public static void test(int dsttype) {
  99         BufferedImage src =
 100             new BufferedImage(TESTW, TESTH, BufferedImage.TYPE_INT_ARGB);
 101         test(src, dsttype);
 102         IndexColorModel icm = new IndexColorModel(8, 2, cmap, 0, true, 0,
 103                                                   DataBuffer.TYPE_BYTE);
 104         src = new BufferedImage(TESTW, TESTH,
 105                                 BufferedImage.TYPE_BYTE_INDEXED, icm);
 106         test(src, dsttype);
 107     }
 108 
 109     public static void test(Image src, int dsttype) {
 110         BufferedImage dst =
 111             new BufferedImage(TESTW, TESTH, dsttype);
 112         for (int i = 0; i < systemColorObjects.length; i++) {
 113             test(src, dst, systemColorObjects[i]);
 114         }
 115     }
 116 
 117     public static void test(Image src, BufferedImage dst, Color bg) {
 118         Graphics2D g = (Graphics2D) dst.getGraphics();
 119         g.setComposite(AlphaComposite.Src);
 120         g.setColor(Color.white);
 121         g.fillRect(0, 0, TESTW, TESTH);
 122         g.drawImage(src, 0, 0, bg, null);
 123         int dstRGB = dst.getRGB(0, 0);
 124         int bgRGB = bg.getRGB();
 125         if (!dst.getColorModel().hasAlpha()) {
 126             bgRGB |= 0xFF000000;
 127         }
 128         if (dstRGB != bgRGB) {
 129             System.err.println("Actual: " + Integer.toHexString(dstRGB));
 130             System.err.println("Expected: " + Integer.toHexString(bgRGB));
 131             error("bad bg pixel for: " + bg);
 132         }
 133     }
 134 }