7043054: REGRESSION: JDK 7 b126 : Wrong userBounds in Paint.createContext()

Reviewed-by: prr

src/share/classes/sun/java2d/opengl/OGLRenderer.java

@@ -102,15 +102,20 @@ class OGLRenderer extends BufferedRenderPipe {
             final ParallelogramPipe realpipe = oglr.getAAParallelogramPipe();
             return new ParallelogramPipe() {
                 public void fillParallelogram(SunGraphics2D sg2d,
+                                              double ux1, double uy1,
+                                              double ux2, double uy2,
                                               double x, double y,
                                               double dx1, double dy1,
                                               double dx2, double dy2)
                 {
                     GraphicsPrimitive.tracePrimitive("OGLFillAAParallelogram");
                     realpipe.fillParallelogram(sg2d,
+                                               ux1, uy1, ux2, uy2,
                                                x, y, dx1, dy1, dx2, dy2);
                 }
                 public void drawParallelogram(SunGraphics2D sg2d,
+                                              double ux1, double uy1,
+                                              double ux2, double uy2,
                                               double x, double y,
                                               double dx1, double dy1,
                                               double dx2, double dy2,
@@ -118,6 +123,7 @@ class OGLRenderer extends BufferedRenderPipe {
                 {
                     GraphicsPrimitive.tracePrimitive("OGLDrawAAParallelogram");
                     realpipe.drawParallelogram(sg2d,
+                                               ux1, uy1, ux2, uy2,
                                                x, y, dx1, dy1, dx2, dy2,
                                                lw1, lw2);
                 }
@@ -166,21 +172,29 @@ class OGLRenderer extends BufferedRenderPipe {
             oglr.fillSpans(sg2d, si, transx, transy);
         }
         public void fillParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2)
         {
             GraphicsPrimitive.tracePrimitive("OGLFillParallelogram");
-            oglr.fillParallelogram(sg2d, x, y, dx1, dy1, dx2, dy2);
+            oglr.fillParallelogram(sg2d,
+                                   ux1, uy1, ux2, uy2,
+                                   x, y, dx1, dy1, dx2, dy2);
         }
         public void drawParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2,
                                       double lw1, double lw2)
         {
             GraphicsPrimitive.tracePrimitive("OGLDrawParallelogram");
-            oglr.drawParallelogram(sg2d, x, y, dx1, dy1, dx2, dy2, lw1, lw2);
+            oglr.drawParallelogram(sg2d,
+                                   ux1, uy1, ux2, uy2,
+                                   x, y, dx1, dy1, dx2, dy2, lw1, lw2);
         }
         public void copyArea(SunGraphics2D sg2d,
                              int x, int y, int w, int h, int dx, int dy)

src/share/classes/sun/java2d/pipe/AAShapePipe.java

@@ -68,21 +68,23 @@ public class AAShapePipe
         renderPath(sg, s, null);
     }
 
-    private static Rectangle2D computeBBox(double x, double y,
-                                           double dx1, double dy1,
-                                           double dx2, double dy2)
+    private static Rectangle2D computeBBox(double ux1, double uy1,
+                                           double ux2, double uy2)
     {
-        double lox, loy, hix, hiy;
-        lox = hix = x;
-        loy = hiy = y;
-        if (dx1 < 0) { lox += dx1; } else { hix += dx1; }
-        if (dy1 < 0) { loy += dy1; } else { hiy += dy1; }
-        if (dx2 < 0) { lox += dx2; } else { hix += dx2; }
-        if (dy2 < 0) { loy += dy2; } else { hiy += dy2; }
-        return new Rectangle2D.Double(lox, loy, hix-lox, hiy-loy);
+        if ((ux2 -= ux1) < 0) {
+            ux1 += ux2;
+            ux2 = -ux2;
+        }
+        if ((uy2 -= uy1) < 0) {
+            uy1 += uy2;
+            uy2 = -uy2;
+        }
+        return new Rectangle2D.Double(ux1, uy1, ux2, uy2);
     }
 
     public void fillParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2)
@@ -97,10 +99,12 @@ public class AAShapePipe
             return;
         }
 
-        renderTiles(sg, computeBBox(x, y, dx1, dy1, dx2, dy2), aatg, abox);
+        renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
     }
 
     public void drawParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2,
@@ -118,7 +122,7 @@ public class AAShapePipe
 
         // Note that bbox is of the original shape, not the wide path.
         // This is appropriate for handing to Paint methods...
-        renderTiles(sg, computeBBox(x, y, dx1, dy1, dx2, dy2), aatg, abox);
+        renderTiles(sg, computeBBox(ux1, uy1, ux2, uy2), aatg, abox);
     }
 
     private static byte[] theTile;

src/share/classes/sun/java2d/pipe/AlphaColorPipe.java

@@ -66,6 +66,8 @@ public class AlphaColorPipe implements CompositePipe, ParallelogramPipe {
     }
 
     public void fillParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2)
@@ -75,6 +77,8 @@ public class AlphaColorPipe implements CompositePipe, ParallelogramPipe {
     }
 
     public void drawParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2,

src/share/classes/sun/java2d/pipe/BufferedRenderPipe.java

@@ -408,6 +408,8 @@ public abstract class BufferedRenderPipe
     }
 
     public void fillParallelogram(SunGraphics2D sg2d,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2)
@@ -429,6 +431,8 @@ public abstract class BufferedRenderPipe
     }
 
     public void drawParallelogram(SunGraphics2D sg2d,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2,
@@ -454,6 +458,8 @@ public abstract class BufferedRenderPipe
 
     private class AAParallelogramPipe implements ParallelogramPipe {
         public void fillParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2)
@@ -475,6 +481,8 @@ public abstract class BufferedRenderPipe
         }
 
         public void drawParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2,

src/share/classes/sun/java2d/pipe/LoopPipe.java

@@ -352,6 +352,8 @@ public class LoopPipe
     }
 
     public void fillParallelogram(SunGraphics2D sg2d,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2)
@@ -362,6 +364,8 @@ public class LoopPipe
     }
 
     public void drawParallelogram(SunGraphics2D sg2d,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2,

src/share/classes/sun/java2d/pipe/ParallelogramPipe.java

 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 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
@@ -40,9 +40,17 @@ import sun.java2d.SunGraphics2D;
  *          => (x+dx2, y+dy2)
  *          => origin
  * </pre>
+ * The four u[xy][12] parameters are the unsorted extreme coordinates
+ * of the primitive in user space.  They may have been generated by a
+ * line or a rectangle so they could have u[xy]2 < u[xy]1 in some cases.
+ * They should be sorted before calculating the bounds of the original
+ * primitive (such as for calculating the user space bounds for the
+ * Paint.createContext() method).
  */
 public interface ParallelogramPipe {
     public void fillParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2);
@@ -59,6 +67,8 @@ public interface ParallelogramPipe {
      * difference between the outer and inner parallelograms.
      */
     public void drawParallelogram(SunGraphics2D sg,
+                                  double ux1, double uy1,
+                                  double ux2, double uy2,
                                   double x, double y,
                                   double dx1, double dy1,
                                   double dx2, double dy2,

src/share/classes/sun/java2d/pipe/PixelToParallelogramConverter.java

@@ -175,8 +175,8 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
     }
 
     public boolean drawGeneralLine(SunGraphics2D sg2d,
-                                   double x1, double y1,
-                                   double x2, double y2)
+                                   double ux1, double uy1,
+                                   double ux2, double uy2)
     {
         if (sg2d.strokeState == SunGraphics2D.STROKE_CUSTOM ||
             sg2d.strokeState == SunGraphics2D.STROKE_THINDASHED)
@@ -194,13 +194,14 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
         double lw = bs.getLineWidth();
         // Save the original dx, dy in case we need it to transform
         // the linewidth as a perpendicular vector below
-        double dx = x2 - x1;
-        double dy = y2 - y1;
+        double dx = ux2 - ux1;
+        double dy = uy2 - uy1;
+        double x1, y1, x2, y2;
         switch (sg2d.transformState) {
         case SunGraphics2D.TRANSFORM_GENERIC:
         case SunGraphics2D.TRANSFORM_TRANSLATESCALE:
             {
-                double coords[] = {x1, y1, x2, y2};
+                double coords[] = {ux1, uy1, ux2, uy2};
                 sg2d.transform.transform(coords, 0, coords, 0, 2);
                 x1 = coords[0];
                 y1 = coords[1];
@@ -213,13 +214,17 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
             {
                 double tx = sg2d.transform.getTranslateX();
                 double ty = sg2d.transform.getTranslateY();
-                x1 += tx;
-                y1 += ty;
-                x2 += tx;
-                y2 += ty;
+                x1 = ux1 + tx;
+                y1 = uy1 + ty;
+                x2 = ux2 + tx;
+                y2 = uy2 + ty;
             }
             break;
         case SunGraphics2D.TRANSFORM_ISIDENT:
+            x1 = ux1;
+            y1 = uy1;
+            x2 = ux2;
+            y2 = uy2;
             break;
         default:
             throw new InternalError("unknown TRANSFORM state...");
@@ -279,7 +284,8 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
             dx += udx;
             dy += udy;
         }
-        outrenderer.fillParallelogram(sg2d, px, py, -udy, udx, dx, dy);
+        outrenderer.fillParallelogram(sg2d, ux1, uy1, ux2, uy2,
+                                      px, py, -udy, udx, dx, dy);
         return true;
     }
 
@@ -313,7 +319,8 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
             px = newx;
             py = newy;
         }
-        outrenderer.fillParallelogram(sg2d, px, py, dx1, dy1, dx2, dy2);
+        outrenderer.fillParallelogram(sg2d, rx, ry, rx+rw, ry+rh,
+                                      px, py, dx1, dy1, dx2, dy2);
     }
 
     public void drawRectangle(SunGraphics2D sg2d,
@@ -360,10 +367,12 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
             // entire hole in the middle of the parallelogram
             // so we can just fill the outer parallelogram.
             fillOuterParallelogram(sg2d,
+                                   rx, ry, rx+rw, ry+rh,
                                    px, py, dx1, dy1, dx2, dy2,
                                    len1, len2, lw1, lw2);
         } else {
             outrenderer.drawParallelogram(sg2d,
+                                          rx, ry, rx+rw, ry+rh,
                                           px, py, dx1, dy1, dx2, dy2,
                                           lw1 / len1, lw2 / len2);
         }
@@ -377,6 +386,8 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
      * and issues a single fillParallelogram request to fill it.
      */
     public void fillOuterParallelogram(SunGraphics2D sg2d,
+                                       double ux1, double uy1,
+                                       double ux2, double uy2,
                                        double px, double py,
                                        double dx1, double dy1,
                                        double dx2, double dy2,
@@ -412,6 +423,7 @@ public class PixelToParallelogramConverter extends PixelToShapeConverter
         dx2 += udx2;
         dy2 += udy2;
 
-        outrenderer.fillParallelogram(sg2d, px, py, dx1, dy1, dx2, dy2);
+        outrenderer.fillParallelogram(sg2d, ux1, uy1, ux2, uy2,
+                                      px, py, dx1, dy1, dx2, dy2);
     }
 }

src/windows/classes/sun/java2d/d3d/D3DRenderer.java

@@ -102,15 +102,20 @@ class D3DRenderer extends BufferedRenderPipe {
             final ParallelogramPipe realpipe = d3dr.getAAParallelogramPipe();
             return new ParallelogramPipe() {
                 public void fillParallelogram(SunGraphics2D sg2d,
+                                              double ux1, double uy1,
+                                              double ux2, double uy2,
                                               double x, double y,
                                               double dx1, double dy1,
                                               double dx2, double dy2)
                 {
                     GraphicsPrimitive.tracePrimitive("D3DFillAAParallelogram");
                     realpipe.fillParallelogram(sg2d,
+                                               ux1, uy1, ux2, uy2,
                                                x, y, dx1, dy1, dx2, dy2);
                 }
                 public void drawParallelogram(SunGraphics2D sg2d,
+                                              double ux1, double uy1,
+                                              double ux2, double uy2,
                                               double x, double y,
                                               double dx1, double dy1,
                                               double dx2, double dy2,
@@ -118,6 +123,7 @@ class D3DRenderer extends BufferedRenderPipe {
                 {
                     GraphicsPrimitive.tracePrimitive("D3DDrawAAParallelogram");
                     realpipe.drawParallelogram(sg2d,
+                                               ux1, uy1, ux2, uy2,
                                                x, y, dx1, dy1, dx2, dy2,
                                                lw1, lw2);
                 }
@@ -167,21 +173,29 @@ class D3DRenderer extends BufferedRenderPipe {
             d3dr.fillSpans(sg2d, si, transx, transy);
         }
         public void fillParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2)
         {
             GraphicsPrimitive.tracePrimitive("D3DFillParallelogram");
-            d3dr.fillParallelogram(sg2d, x, y, dx1, dy1, dx2, dy2);
+            d3dr.fillParallelogram(sg2d,
+                                   ux1, uy1, ux2, uy2,
+                                   x, y, dx1, dy1, dx2, dy2);
         }
         public void drawParallelogram(SunGraphics2D sg2d,
+                                      double ux1, double uy1,
+                                      double ux2, double uy2,
                                       double x, double y,
                                       double dx1, double dy1,
                                       double dx2, double dy2,
                                       double lw1, double lw2)
         {
             GraphicsPrimitive.tracePrimitive("D3DDrawParallelogram");
-            d3dr.drawParallelogram(sg2d, x, y, dx1, dy1, dx2, dy2, lw1, lw2);
+            d3dr.drawParallelogram(sg2d,
+                                   ux1, uy1, ux2, uy2,
+                                   x, y, dx1, dy1, dx2, dy2, lw1, lw2);
         }
         public void copyArea(SunGraphics2D sg2d,
                              int x, int y, int w, int h, int dx, int dy)

test/java/awt/Paint/PgramUserBoundsTest.java

+/*
+ * 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);
+        }
+    }
+}