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FYI: BufferedImage defaults


Hi,

This patch adds tests for the default image types in BufferedImage.

Cheers,
Francis

2006-10-19  Francis Kung  <fkung@redhat.com>

	* gnu/testlet/java/awt/image/BufferedImage/constants.java: New test.

Index: gnu/testlet/java/awt/image/BufferedImage/constants.java
===================================================================
RCS file: gnu/testlet/java/awt/image/BufferedImage/constants.java
diff -N gnu/testlet/java/awt/image/BufferedImage/constants.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/awt/image/BufferedImage/constants.java	1 Jan 1970 00:00:00 -0000
@@ -0,0 +1,249 @@
+/* constants.java -- some checks for the constant image types in the
+       BufferedImage class.
+   Copyright (C) 2006  Francis Kung  <fkung@redhat.com>
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.4
+
+package gnu.testlet.java.awt.image.BufferedImage;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.ComponentColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.DirectColorModel;
+import java.awt.image.IndexColorModel;
+import java.awt.image.MultiPixelPackedSampleModel;
+import java.awt.image.PixelInterleavedSampleModel;
+import java.awt.image.SinglePixelPackedSampleModel;
+
+public class constants implements Testlet 
+{
+  public void test(TestHarness harness)
+  {
+    test_int_rgb(harness);
+    test_int_argb(harness);
+    test_int_argb_pre(harness);
+    test_3byte_bgr(harness);
+    test_4byte_abgr(harness);
+    test_4byte_abgr_pre(harness);
+    test_ushort_565_rgb(harness);
+    test_ushort_555_rgb(harness);
+    test_byte_gray(harness);
+    test_ushort_gray(harness);
+    test_byte_binary(harness);
+    test_byte_indexed(harness);
+  }
+  
+  public void test_int_rgb(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);
+    harness.check(img.getColorModel().equals(new DirectColorModel(24, 0xff0000,
+                                                                  0xff00,
+                                                                  0xff)));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT,
+                                                                               10, 10,
+                                                                               new int[]{0xff0000,
+                                                                                         0xff00,
+                                                                                         0xff})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+
+  public void test_int_argb(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB);
+    harness.check(img.getColorModel().equals(new DirectColorModel(32, 0xff0000,
+                                                                  0xff00,
+                                                                  0xff,
+                                                                  0xff000000)));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT,
+                                                                               10, 10,
+                                                                               new int[]{0xff0000,
+                                                                                         0xff00,
+                                                                                         0xff,
+                                                                                         0xff000000})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_int_argb_pre(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB_PRE);
+    harness.check(img.getColorModel().equals(new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
+                                                                  32, 0xff0000,
+                                                                  0xff00, 0xff,
+                                                                  0xff000000,
+                                                                  true,
+                                                                  DataBuffer.TYPE_INT)));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT,
+                                                                               10, 10,
+                                                                               new int[]{0xff0000,
+                                                                                         0xff00,
+                                                                                         0xff,
+                                                                                         0xff000000})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_int_bgr(TestHarness harness)
+  {  
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_INT_BGR);
+    harness.check(img.getColorModel().equals(new DirectColorModel(24, 0xff,
+                                                                  0xff00,
+                                                                  0xff0000)));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT,
+                                                                               10, 10,
+                                                                               new int[]{0xff,
+                                                                                         0xff00,
+                                                                                         0xff0000})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_3byte_bgr(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_3BYTE_BGR);
+    harness.check(img.getColorModel().equals(new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
+                                                                     false, false,
+                                                                     BufferedImage.OPAQUE,
+                                                                     DataBuffer.TYPE_BYTE)));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE,
+                                                                               10, 10,
+                                                                               3, 10 * 3, 
+                                                                               new int[]{ 2, 1, 0 } )));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_4byte_abgr(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_4BYTE_ABGR);
+    harness.check(img.getColorModel().equals(new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
+                                                                     true, false,
+                                                                     BufferedImage.TRANSLUCENT,
+                                                                     DataBuffer.TYPE_BYTE)));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, 
+                                                                              10, 10,
+                                                                              4, 4*10,
+                                                                              new int[]{3, 2, 1, 0})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_4byte_abgr_pre(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_4BYTE_ABGR_PRE);
+    harness.check(img.getColorModel().equals(new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
+                                                                     true, true,
+                                                                     BufferedImage.TRANSLUCENT,
+                                                                     DataBuffer.TYPE_BYTE)));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, 
+                                                                              10, 10,
+                                                                              4, 4*10,
+                                                                              new int[]{3, 2, 1, 0})));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_ushort_565_rgb(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_USHORT_565_RGB);
+    harness.check(img.getColorModel().equals(new DirectColorModel( 16, 0xF800, 0x7E0, 0x1F )));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT,
+                                                                                10, 10,
+                                                                                new int[]{ 0xF800, 
+                                                                                   0x7E0, 
+                                                                                   0x1F } ) ));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_ushort_555_rgb(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_USHORT_555_RGB);
+    harness.check(img.getColorModel().equals(new DirectColorModel( 15, 0x7C00, 0x3E0, 0x1F )));
+    harness.check(img.getSampleModel().equals(new SinglePixelPackedSampleModel( DataBuffer.TYPE_USHORT,
+                                                                               10, 10,
+                                                                               new int[]{ 0x7C00, 
+                                                                                  0x3E0, 
+                                                                                  0x1F } )));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_byte_gray(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_BYTE_GRAY);
+    harness.check(img.getColorModel().equals(new ComponentColorModel( ColorSpace.getInstance( ColorSpace.CS_GRAY ),
+                                                                      new int[]{8}, false, false, 
+                                                                      Transparency.OPAQUE, DataBuffer.TYPE_BYTE)));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE,
+                                                                              10, 10,
+                                                                              1, 10, new int[]{ 0 } )));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_ushort_gray(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_USHORT_GRAY);
+    harness.check(img.getColorModel().equals(new ComponentColorModel( ColorSpace.getInstance( ColorSpace.CS_GRAY ),
+                                                                      new int[]{16}, false, false, 
+                                                                      Transparency.OPAQUE, DataBuffer.TYPE_USHORT)));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel( DataBuffer.TYPE_USHORT,
+                                                                              10, 10,
+                                                                              1, 10, new int[]{ 0 } )));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_byte_binary(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_BYTE_BINARY);
+    byte[] t = new byte[]{ 0, (byte)255 };
+    harness.check(img.getColorModel().equals(new IndexColorModel( 1, 2, t, t, t )));
+    harness.check(img.getSampleModel().equals(new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, 
+                                                                             10, 10, 1)));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+  
+  public void test_byte_indexed(TestHarness harness)
+  {
+    BufferedImage img = new BufferedImage(10, 10, BufferedImage.TYPE_BYTE_INDEXED);
+    byte[] r = new byte[256];
+    byte[] g = new byte[256];
+    byte[] b = new byte[256];
+    int index = 0;
+    for( int i = 0; i < 6; i++ )
+      for( int j = 0; j < 6; j++ )
+    for( int k = 0; k < 6; k++ )
+      {
+        r[ index ] = (byte)(i * 51);
+        g[ index ] = (byte)(j * 51);
+        b[ index ] = (byte)(k * 51);
+        index++;
+      }
+    while( index < 256 )
+      {
+    r[ index ] = g[ index ] = b[ index ] = 
+      (byte)(18 + (index - 216) * 6);
+    index++;
+      }
+    harness.check(img.getColorModel().equals(new IndexColorModel( 8, 256, r, g, b )));
+    harness.check(img.getSampleModel().equals(new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE,
+                                                                              10, 10,
+                                                                              1, 10, new int[]{ 0 } )));
+    harness.check(img.isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
+  }
+}

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