jdk/test/sun/java2d/DirectX/TransformedPaintTest/TransformedPaintTest.java
changeset 887 0aab8d3fa11a
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/java2d/DirectX/TransformedPaintTest/TransformedPaintTest.java	Fri Jul 18 10:48:44 2008 -0700
@@ -0,0 +1,219 @@
+/*
+ * Copyright 2007-2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6689025
+ * @summary Tests that transformed Paints are rendered correctly
+ * @author Dmitri.Trembovetski@sun.com: area=Graphics
+ * @run main/othervm TransformedPaintTest
+ * @run main/othervm -Dsun.java2d.opengl=True TransformedPaintTest
+ */
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.GradientPaint;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.LinearGradientPaint;
+import java.awt.MultipleGradientPaint.CycleMethod;
+import java.awt.Paint;
+import java.awt.RadialGradientPaint;
+import java.awt.TexturePaint;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.VolatileImage;
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import javax.imageio.ImageIO;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class TransformedPaintTest {
+
+    private static enum PaintType {
+        COLOR,
+        GRADIENT,
+        LINEAR_GRADIENT,
+        RADIAL_GRADIENT,
+        TEXTURE
+    };
+
+    private static final int CELL_SIZE = 100;
+    private static final int R_WIDTH = 3 * CELL_SIZE;
+    private static final int R_HEIGHT = PaintType.values().length * CELL_SIZE;
+
+    private Paint createPaint(PaintType type, int startx, int starty,
+                              int w, int h)
+    {
+        // make sure that the blue color doesn't show up when filling a
+        // w by h rect
+        w++; h++;
+
+        int endx = startx + w;
+        int endy = starty + h;
+        Rectangle2D.Float r = new Rectangle2D.Float(startx, starty, w, h);
+        switch (type) {
+            case COLOR: return Color.red;
+            case GRADIENT: return
+                new GradientPaint(startx, starty, Color.red,
+                                  endx, endy, Color.green);
+            case LINEAR_GRADIENT: return
+                new LinearGradientPaint(startx, starty, endx, endy,
+                    new float[] { 0.0f, 0.999f, 1.0f },
+                    new Color[] { Color.red, Color.green, Color.blue });
+            case RADIAL_GRADIENT: return
+                new RadialGradientPaint(startx, starty,
+                    (float)Math.sqrt(w * w + h * h),
+                    new float[] { 0.0f, 0.999f, 1.0f },
+                    new Color[] { Color.red, Color.green, Color.blue },
+                    CycleMethod.NO_CYCLE);
+            case TEXTURE: {
+                BufferedImage bi =
+                    new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
+                Graphics2D g = (Graphics2D) bi.getGraphics();
+                g.setPaint(createPaint(PaintType.LINEAR_GRADIENT, 0, 0, w, h));
+                g.fillRect(0, 0, w, h);
+                return new TexturePaint(bi, r);
+            }
+        }
+        return Color.green;
+    }
+
+    private void renderLine(PaintType type, Graphics2D g,
+                            int startx, int starty, int w, int h)
+    {
+        Paint p = createPaint(type, startx, starty, w, h);
+        g.setPaint(p);
+
+        // first, no transform
+        g.fillRect(startx, starty, w, h);
+
+        // translation only
+        g.translate(w, 0);
+        g.fillRect(startx, starty, w, h);
+        g.translate(-w, 0);
+
+        // complex transform
+        g.translate(startx + w*2, starty);
+        g.rotate(Math.toRadians(90), w/2, h/2);
+        g.translate(-startx, -starty);
+        g.fillRect(startx, starty, w, h);
+    }
+
+    private void render(Graphics2D g, int w, int h) {
+        int paintTypes = PaintType.values().length;
+        int ystep = h / paintTypes;
+        int y = 0;
+
+        for (PaintType type : PaintType.values()) {
+            renderLine(type, (Graphics2D)g.create(),
+                       0, y, h / paintTypes, h / paintTypes);
+            y += ystep;
+        }
+    }
+
+    private void checkBI(BufferedImage bi) {
+        for (int y = 0; y < bi.getHeight(); y++) {
+            for (int x = 0; x < bi.getWidth(); x++) {
+                if (bi.getRGB(x, y) == Color.blue.getRGB()) {
+                    try {
+                        String fileName = "TransformedPaintTest_res.png";
+                        ImageIO.write(bi, "png", new File(fileName));
+                        System.err.println("Dumped image to: " + fileName);
+                    } catch (IOException ex) {}
+                    throw new RuntimeException("Test failed, blue color found");
+                }
+            }
+        }
+    }
+
+    private void runTest() {
+        GraphicsConfiguration gc = GraphicsEnvironment.
+            getLocalGraphicsEnvironment().getDefaultScreenDevice().
+                getDefaultConfiguration();
+
+        if (gc.getColorModel().getPixelSize() < 16) {
+            System.out.println("8-bit desktop depth found, test passed");
+            return;
+        }
+
+        VolatileImage vi = gc.createCompatibleVolatileImage(R_WIDTH, R_HEIGHT);
+        BufferedImage bi = null;
+        do {
+            vi.validate(gc);
+            Graphics2D g = vi.createGraphics();
+            render(g, vi.getWidth(), vi.getHeight());
+            bi = vi.getSnapshot();
+        } while (vi.contentsLost());
+
+        checkBI(bi);
+        System.out.println("Test PASSED.");
+    }
+
+    private static void showFrame(final TransformedPaintTest t) {
+        JFrame f = new JFrame("TransformedPaintTest");
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        final BufferedImage bi =
+            new BufferedImage(R_WIDTH, R_HEIGHT, BufferedImage.TYPE_INT_RGB);
+        JPanel p = new JPanel() {
+            @Override
+            protected void paintComponent(Graphics g) {
+                super.paintComponent(g);
+                Graphics2D g2d = (Graphics2D) g;
+                t.render(g2d, R_WIDTH, R_HEIGHT);
+                t.render(bi.createGraphics(), R_WIDTH, R_HEIGHT);
+                g2d.drawImage(bi, R_WIDTH + 5, 0, null);
+
+                g.setColor(Color.black);
+                g.drawString("Rendered to Back Buffer", 10, 20);
+                g.drawString("Rendered to BufferedImage", R_WIDTH + 15, 20);
+            }
+        };
+        p.setPreferredSize(new Dimension(2 * R_WIDTH + 5, R_HEIGHT));
+        f.add(p);
+        f.pack();
+        f.setVisible(true);
+    }
+
+    public static void main(String[] args) throws
+        InterruptedException, InvocationTargetException
+    {
+        boolean show = (args.length > 0 && "-show".equals(args[0]));
+
+        final TransformedPaintTest t = new TransformedPaintTest();
+        if (show) {
+            EventQueue.invokeAndWait(new Runnable() {
+                public void run() {
+                    showFrame(t);
+                }
+            });
+        } else {
+            t.runTest();
+        }
+    }
+}