jdk/test/java/awt/Paint/PgramUserBoundsTest.java
changeset 9653 6a1eff16874d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/Paint/PgramUserBoundsTest.java	Wed May 11 16:12:01 2011 -0700
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2011, 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 7043054
+ * @summary Verifies that Paint objects receive the appropriate user space
+ *          bounds in their createContext() method
+ * @run main PgramUserBoundsTest
+ */
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Paint;
+import java.awt.PaintContext;
+import java.awt.RenderingHints;
+import java.awt.Rectangle;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Line2D;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+
+public class PgramUserBoundsTest {
+    static final int MinX = 10;
+    static final int MinY = 20;
+    static final int MaxX = 30;
+    static final int MaxY = 50;
+    static AffineTransform identity = new AffineTransform();
+
+    public static void main(String argv[]) {
+        BufferedImage bimg =
+            new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2d = bimg.createGraphics();
+        g2d.setPaint(new BoundsCheckerPaint(MinX, MinY, MaxX, MaxY));
+        testAll(g2d);
+        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                             RenderingHints.VALUE_ANTIALIAS_ON);
+        testAll(g2d);
+    }
+
+    static void testAll(Graphics2D g2d) {
+        g2d.setTransform(identity);
+        g2d.translate(100, 100);
+        testPrimitives(g2d);
+
+        g2d.setTransform(identity);
+        g2d.scale(10, 10);
+        testPrimitives(g2d);
+
+        g2d.setTransform(identity);
+        g2d.rotate(Math.PI/6);
+        testPrimitives(g2d);
+    }
+
+    static void testPrimitives(Graphics2D g2d) {
+        testLine(g2d);
+        testRect(g2d);
+    }
+
+    static void testLine(Graphics2D g2d) {
+        testLine(g2d, MinX, MinY, MaxX, MaxY);
+        testLine(g2d, MaxX, MinY, MinX, MaxY);
+        testLine(g2d, MinX, MaxY, MaxX, MinY);
+        testLine(g2d, MaxX, MaxY, MinX, MinY);
+    }
+
+    static void testRect(Graphics2D g2d) {
+        g2d.fillRect(MinX, MinY, MaxX - MinX, MaxY - MinY);
+        g2d.fill(new Rectangle(MinX, MinY, MaxX - MinX, MaxY - MinY));
+    }
+
+    static void testLine(Graphics2D g2d, int x1, int y1, int x2, int y2) {
+        g2d.drawLine(x1, y1, x2, y2);
+        g2d.draw(new Line2D.Double(x1, y1, x2, y2));
+    }
+
+    static class BoundsCheckerPaint implements Paint {
+        private Color c = Color.WHITE;
+        private Rectangle2D expectedBounds;
+
+        public BoundsCheckerPaint(double x1, double y1,
+                                  double x2, double y2)
+        {
+            expectedBounds = new Rectangle2D.Double();
+            expectedBounds.setFrameFromDiagonal(x1, y1, x2, y2);
+        }
+
+        public int getTransparency() {
+            return c.getTransparency();
+        }
+
+        public PaintContext createContext(ColorModel cm,
+                                          Rectangle deviceBounds,
+                                          Rectangle2D userBounds,
+                                          AffineTransform xform,
+                                          RenderingHints hints)
+        {
+            System.out.println("user bounds = "+userBounds);
+            if (!userBounds.equals(expectedBounds)) {
+                throw new RuntimeException("bounds fail to match");
+            }
+            return c.createContext(cm, deviceBounds, userBounds, xform, hints);
+        }
+    }
+}