| /* |
| * Copyright (c) 2007, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 6689025 8023483 |
| * @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(); |
| } |
| } |
| } |