1 /*
   2  * Copyright (c) 2016, 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 8130737 8172559
  27  * @summary test no exception rasterop for child raster with non-zero offset
  28  */
  29 
  30 import java.awt.geom.AffineTransform;
  31 import java.awt.image.AffineTransformOp;
  32 import java.awt.image.DataBuffer;
  33 import java.awt.image.DataBufferByte;
  34 import java.awt.image.DataBufferInt;
  35 import java.awt.image.DataBufferUShort;
  36 import java.awt.image.Raster;
  37 import java.awt.image.WritableRaster;
  38 
  39 public class TestChildRasterOp {
  40 
  41     private static AffineTransform at = new AffineTransform();
  42     private static final AffineTransformOp rop =
  43         new AffineTransformOp(at, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
  44     private static int[] offsets = {0};
  45 
  46     public static void main(String[] args) {
  47         testByteRaster();
  48         testShortRaster();
  49         testIntRaster();
  50     }
  51 
  52     private static void testByteRaster() {
  53         WritableRaster srcRaster, dstRaster;
  54 
  55         byte[] pixels =
  56             { 11, 12, 13, 14,
  57               21, 22, 23, 24,
  58               31, 32, 33, 34,
  59               41, 42, 43, 44 };
  60 
  61         DataBuffer db = new DataBufferByte(pixels, pixels.length);
  62         srcRaster =
  63             Raster.createInterleavedRaster(db, 4, 4, 4, 1, offsets, null);
  64         srcRaster = srcRaster.createWritableChild(1, 1, 3, 3, 0, 0, null);
  65         dstRaster = rop.filter(srcRaster, null);
  66     }
  67 
  68     private static void testShortRaster() {
  69         WritableRaster srcRaster, dstRaster;
  70 
  71         short[] pixels =
  72             { 11, 12, 13, 14,
  73               21, 22, 23, 24,
  74               31, 32, 33, 34,
  75               41, 42, 43, 44 };
  76 
  77         DataBuffer db = new DataBufferUShort(pixels, pixels.length);
  78         srcRaster =
  79             Raster.createInterleavedRaster(db, 4, 4, 4, 1, offsets, null);
  80         srcRaster = srcRaster.createWritableChild(1, 1, 3, 3, 0, 0, null);
  81         dstRaster = rop.filter(srcRaster, null);
  82     }
  83 
  84     private static void testIntRaster() {
  85         WritableRaster srcRaster, dstRaster;
  86 
  87         int[] pixels =
  88             { 11, 12, 13, 14,
  89               21, 22, 23, 24,
  90               31, 32, 33, 34,
  91               41, 42, 43, 44 };
  92 
  93         DataBuffer db = new DataBufferInt(pixels, pixels.length);
  94         srcRaster =
  95             Raster.createPackedRaster(db, 4, 4, 4,  offsets, null);
  96         srcRaster = srcRaster.createWritableChild(1, 1, 3, 3, 0, 0, null);
  97         dstRaster = rop.filter(srcRaster, null);
  98     }
  99 }