8341128: open source some 2d graphics tests

Reviewed-by: psadhukhan

test/jdk/java/awt/Graphics2D/BasicStrokeValidate.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2000, 2024, 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
+ * @bug 4363534
+ * @summary This test verifies that setting a non-thin-line BasicStroke
+ *     on a Graphics2D obtained from a BufferedImage will correctly validate
+ *     the pipelines for the line-widening pipeline even if that is the only
+ *     non-default attribute on the graphics.
+ *
+ */
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+public class BasicStrokeValidate  {
+
+    public static final int TESTW = 100;
+    public static final int TESTH = 100;
+
+    public static void main(String[] args) {
+        BufferedImage bi1 = createImage(false);
+        BufferedImage bi2 = createImage(true);
+        compare(bi1, bi2); // images should differ
+    }
+
+    static BufferedImage createImage(boolean dashed) {
+        BufferedImage bi = new BufferedImage(TESTW, TESTH, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2d = bi.createGraphics();
+        g2d.setColor(Color.white);
+        g2d.fillRect(0, 0, TESTW, TESTH);
+        g2d.setColor(Color.black);
+        if (dashed) {
+            g2d.setStroke(new BasicStroke(1.0f, BasicStroke.CAP_SQUARE,
+                                          BasicStroke.JOIN_MITER, 10.0f,
+                                          new float[] {2.5f, 3.5f},
+                                          0.0f));
+        }
+        g2d.drawRect(10, 10, TESTW-20, TESTH-20);
+        g2d.setStroke(new BasicStroke(10f));
+        g2d.drawRect(20, 20, TESTW-40, TESTH-40);
+        return bi;
+    }
+
+    static void compare(BufferedImage i1, BufferedImage i2) {
+        boolean same = true;
+        int w = i1.getWidth(), h = i1.getHeight();
+        for (int y = 0; y < h; y++) {
+            for (int x = 0; x < w; x++) {
+                int p1 = i1.getRGB(x, y);
+                int p2 = i2.getRGB(x, y);
+                if (p1 != p2) {
+                    same = false;
+                }
+            }
+            if (!same) {
+                break;
+            }
+        }
+        if (same) {
+             throw new RuntimeException("No difference");
+        }
+    }
+}

test/jdk/java/awt/Graphics2D/DrawImageIAETest/DrawImageIAETest.java

@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 1999, 2024, 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
+ * @bug 4191004
+ * @summary Tests that no IllegalArgumentException is thrown when calling
+ *           drawImage with certain conditions
+ * @key headful
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.MediaTracker;
+import java.awt.Toolkit;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class DrawImageIAETest extends Frame {
+
+     static String filename = "/duke.gif";
+     private volatile Image dimg;
+     private volatile BufferedImage bimg;
+     static volatile DrawImageIAETest app;
+     static volatile JFrame jframe;
+     static volatile boolean passed = true;
+     static volatile Exception exception = null;
+     static volatile CountDownLatch imageLatch = new CountDownLatch(1);
+
+     DrawImageIAETest(String title) {
+         super(title);
+     }
+
+     public static void main(final String[] args) throws Exception {
+         EventQueue.invokeAndWait(DrawImageIAETest:: createUI);
+         imageLatch.await(3, TimeUnit.MILLISECONDS);
+         try {
+             if (!passed) {
+                 throw new RuntimeException("Test FAILED: exception caught:" + exception);
+             }
+         } finally {
+            if (jframe != null) {
+                EventQueue.invokeAndWait(jframe::dispose);
+            }
+            if (app != null) {
+                EventQueue.invokeAndWait(app::dispose);
+            }
+         }
+     }
+
+     static void createUI() {
+         app = new DrawImageIAETest("DrawImageIAETest");
+         app.setLayout (new BorderLayout());
+         app.setSize(200,200);
+         app.setLocationRelativeTo(null);
+         app.setVisible(true);
+
+         String file;
+         try {
+             String dir = System.getProperty("test.src",
+                                             System.getProperty("user.dir"));
+             file = dir + filename;
+         } catch (Exception e) {
+             file = "." + filename;
+         }
+
+         Image textureAlphaSource = null;
+         MediaTracker tracker = new MediaTracker(app);
+         app.dimg = Toolkit.getDefaultToolkit().getImage(file);
+         tracker.addImage(app.dimg, 1);
+         try {
+             tracker.waitForAll();
+             imageLatch.countDown();
+         } catch (Exception e) {
+             System.err.println("Can't load images");
+         }
+
+         if (app.dimg == null) {
+             passed = false;
+             return;
+         }
+
+         jframe = new JFrame("Test DrawImageIAETest");
+         jframe.setSize(300, 300);
+         JPanel jpanel;
+         jframe.getContentPane().add("Center", jpanel = new JPanel() {
+             public void paint(Graphics _g) {
+                 Graphics2D g = (Graphics2D)_g;
+                 Dimension d = getSize();
+                 Graphics2D g2 = app.createGraphics2D(d.width, d.height);
+                 app.drawDemo(d.width, d.height, g2);
+                 g2.dispose();
+                 g.drawImage(app.bimg, 0, 0, app);
+             }
+         });
+         jpanel.setSize(140, 140);
+         jframe.setVisible(true);
+    }
+
+    public void drawDemo(int w, int h, Graphics2D g2) {
+        GeneralPath p1 = new GeneralPath();
+        GeneralPath p2 = new GeneralPath();
+
+        int dukeX = 73;
+        int dukeY = 26;
+
+        double x = 118;
+        double y = 17;
+        double ew = 50;
+        double eh = 48;
+
+        p1.append(new Ellipse2D.Double(x, y, ew, eh), false);
+        p2.append(new Rectangle2D.Double(x+5, y+5, ew-10, eh-10),false);
+
+        g2.setClip(p1);
+        g2.clip(p2);
+        try {
+            g2.drawImage(dimg, dukeX, dukeY, null);
+        } catch (IllegalArgumentException e) {
+            passed = false;
+            exception = e;
+        }
+    }
+
+    public Graphics2D createGraphics2D(int w, int h) {
+        Graphics2D g2 = null;
+        if (bimg == null || bimg.getWidth() != w || bimg.getHeight() != h) {
+            bimg = (BufferedImage) createImage(w, h);
+        }
+        g2 = bimg.createGraphics();
+        g2.setBackground(getBackground());
+        g2.clearRect(0, 0, w, h);
+        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
+        return g2;
+    }
+}

test/jdk/java/awt/Graphics2D/ImageRendering/ImageRendering.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1999, 2024, 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
+ * @bug 4203598
+ * @summary This test verifies that an image with transparent background can be displayed
+ *          correctly with the red background color given.
+ *           The correct display should be the sleeping Duke on a red background.
+ *
+ */
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import javax.imageio.ImageIO;
+
+public class ImageRendering {
+
+    public static void main(String[] args) throws Exception {
+
+        String imgName = "snooze.gif";
+        File file = new File(System.getProperty("test.src", "."), imgName);
+        BufferedImage image = ImageIO.read(file);
+        int w = image.getWidth();
+        int h = image.getHeight();
+        BufferedImage dest = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2d = dest.createGraphics();
+        g2d.drawImage(image, 0, 0, Color.red, null);
+        int redPixel = Color.red.getRGB();
+        for (int y = 0; y < h; y++) {
+            for (int x = 0; x < w; x++) {
+                int srcPixel = image.getRGB(x, y);
+                if ((srcPixel & 0x0ff000000) == 0) {
+                    int destPix = dest.getRGB(x, y);
+                    if (destPix != redPixel) {
+                        throw new RuntimeException("Not red at x=" + x +
+                               " y=" + y +
+                               "pix = " + Integer.toHexString(destPix));
+                    }
+                }
+            }
+       }
+    }
+}