1 /*
   2  * Copyright (c) 2007, 2015, 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     6556332 8011992 8012112
  27  * @summary Test verifies that on-demnad loading of medialib library does
  28  *          not break imageing ops based on this library.
  29  * @modules java.desktop/sun.awt.image
  30  * @run     main MlibOpsTest
  31  * @run     main/othervm/policy=mlib.security.policy MlibOpsTest
  32  */
  33 
  34 
  35 import java.awt.Color;
  36 import java.awt.Graphics2D;
  37 import java.awt.RadialGradientPaint;
  38 import java.awt.geom.AffineTransform;
  39 import java.awt.geom.Point2D;
  40 import java.awt.image.AffineTransformOp;
  41 import java.awt.image.BufferedImage;
  42 import java.awt.image.BufferedImageOp;
  43 import java.awt.image.ByteLookupTable;
  44 import java.awt.image.ConvolveOp;
  45 import java.awt.image.Kernel;
  46 import java.awt.image.LookupOp;
  47 import java.util.Arrays;
  48 
  49 import sun.awt.image.ImagingLib;
  50 
  51 public class MlibOpsTest {
  52 
  53     public static void main(String[] args) {
  54         System.out.println("AffineTransformOp:");
  55         BufferedImageOp op = getAffineTransformOp();
  56         doTest(op);
  57 
  58         System.out.println("ConvolveOp:");
  59         op = getConvolveOp();
  60         doTest(op);
  61 
  62         System.out.println("LookupOp:");
  63         op = getLookupOp();
  64         doTest(op);
  65     }
  66 
  67     public static void doTest(BufferedImageOp op) {
  68         BufferedImage src = createSrcImage();
  69         BufferedImage dst = createImage();
  70         BufferedImage ret = null;
  71         try {
  72             ret = ImagingLib.filter(op, src, dst);
  73         } catch (Exception e) {
  74             throw new RuntimeException("Test FAILED.", e);
  75         }
  76         if (ret == null) {
  77             throw new RuntimeException("Test FAILED: null output");
  78         }
  79 
  80         System.out.println("ret: " + ret);
  81         System.out.println("Test PASSED for " + op.getClass().getName());
  82     }
  83 
  84     private static BufferedImageOp getAffineTransformOp() {
  85         AffineTransform at = new AffineTransform();
  86        return new AffineTransformOp(at,
  87                                     AffineTransformOp.TYPE_BICUBIC);
  88     }
  89 
  90     private static BufferedImageOp getConvolveOp() {
  91         int kw = 3;
  92         int kh = 3;
  93         int size = kw * kh;
  94         float[] kdata = new float[size];
  95         Arrays.fill(kdata, 1.0f / size);
  96 
  97         Kernel k  = new Kernel(kw, kh, kdata);
  98         return new ConvolveOp(k);
  99     }
 100 
 101     private static BufferedImageOp getLookupOp() {
 102         byte[] inv = new byte[256];
 103         for (int i = 0; i < 256; i++) {
 104             inv[i] = (byte)(255 - i);
 105         }
 106         ByteLookupTable table = new ByteLookupTable(0, inv);
 107         return new LookupOp(table, null);
 108     }
 109 
 110 
 111     private static int w = 100;
 112     private static int h = 100;
 113 
 114     private static BufferedImage createImage() {
 115         return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
 116     }
 117 
 118     private static BufferedImage createSrcImage() {
 119         BufferedImage img = createImage();
 120 
 121         Graphics2D g = img.createGraphics();
 122         Color[] colors = { Color.red, Color.green, Color.blue };
 123         float[] dist = {0.0f, 0.5f, 1.0f };
 124         Point2D center = new Point2D.Float(0.5f * w, 0.5f * h);
 125 
 126         RadialGradientPaint p =
 127                 new RadialGradientPaint(center, 0.5f * w, dist, colors);
 128         g.setPaint(p);
 129         g.fillRect(0, 0, w, h);
 130         g.dispose();
 131 
 132         return img;
 133     }
 134 }