8069348: SunGraphics2D.copyArea() does not properly work for scaled graphics in D3D
Reviewed-by: flar, serb
--- a/jdk/src/java.desktop/macosx/classes/sun/java2d/OSXOffScreenSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/macosx/classes/sun/java2d/OSXOffScreenSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -478,13 +478,9 @@
// <rdar://problem/4488745> For the Sun2D renderer we should rely on the implementation of the super class.
// BufImageSurfaceData.java doesn't have an implementation of copyArea() and relies on the super class.
- int offsetX = 0;
- int offsetY = 0;
- if (sg2d.transformState == SunGraphics2D.TRANSFORM_ANY_TRANSLATE ||
- sg2d.transformState == SunGraphics2D.TRANSFORM_INT_TRANSLATE) {
- offsetX = (int) sg2d.transform.getTranslateX();
- offsetY = (int) sg2d.transform.getTranslateY();
- } else if (sg2d.transformState != SunGraphics2D.TRANSFORM_ISIDENT) { return false; }
+ if (sg2d.transformState >= SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
+ return false;
+ }
// reset the clip (this is how it works on windows)
// we actually can handle a case with any clips but windows ignores the light clip
@@ -498,18 +494,23 @@
return true;
}
- // the rectangle returned from clipCopyArea() is in the coordinate space of the surface (image)
- // we need to substract the offsetX and offsetY to move it to the coordinate space of the graphics2d.
- // sg2d.drawImage expects the destination rect to be in the coord space of the graphics2d. <rdar://3746194>
- // (vm)
- x = clippedCopyAreaRect.x - offsetX;
- y = clippedCopyAreaRect.y - offsetY;
+ // the rectangle returned from clipCopyArea() is in the coordinate space
+ // of the surface (image)
+ x = clippedCopyAreaRect.x;
+ y = clippedCopyAreaRect.y;
w = clippedCopyAreaRect.width;
h = clippedCopyAreaRect.height;
- // copy (dst coordinates are in the coord space of the graphics2d, and src coordinates are
- // in the coordinate space of the image)
- sg2d.drawImage(this.bim, x + dx, y + dy, x + dx + w, y + dy + h, x + offsetX, y + offsetY, x + w + offsetX, y + h + offsetY, null);
+ // copy (dst coordinates are in the coord space of the graphics2d, and
+ // src coordinates are in the coordinate space of the image)
+ // sg2d.drawImage expects the destination rect to be in the coord space
+ // of the graphics2d. <rdar://3746194> (vm)
+ // we need to substract the transX and transY to move it
+ // to the coordinate space of the graphics2d.
+ int dstX = x + dx - sg2d.transX;
+ int dstY = y + dy - sg2d.transY;
+ sg2d.drawImage(this.bim, dstX, dstY, dstX + w, dstY + h,
+ x, y, x + w, y + h, null);
// restore the clip
sg2d.setClip(clip);
--- a/jdk/src/java.desktop/macosx/classes/sun/java2d/OSXSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/macosx/classes/sun/java2d/OSXSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -1094,19 +1094,13 @@
}
/**
- * Clips the copy area to the heavywieght bounds and returns the cliped rectangle. The tricky part here is the
- * passed arguments x, y are in the coordinate space of the sg2d/lightweight comp. In order to do the clipping we
- * translate them to the coordinate space of the surface, and the returned clipped rectangle is in the coordinate
- * space of the surface.
+ * Clips the copy area to the heavyweight bounds and returns the clipped rectangle.
+ * The returned clipped rectangle is in the coordinate space of the surface.
*/
protected Rectangle clipCopyArea(SunGraphics2D sg2d, int x, int y, int w, int h, int dx, int dy) {
// we need to clip against the heavyweight bounds
copyAreaBounds.setBounds(sg2d.devClip.getLoX(), sg2d.devClip.getLoY(), sg2d.devClip.getWidth(), sg2d.devClip.getHeight());
- // put src rect into surface coordinate space
- x += sg2d.transX;
- y += sg2d.transY;
-
// clip src rect
srcCopyAreaRect.setBounds(x, y, w, h);
intersection(srcCopyAreaRect, copyAreaBounds, srcCopyAreaRect);
--- a/jdk/src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -175,31 +175,6 @@
return scale;
}
- @Override
- public boolean copyArea(SunGraphics2D sg2d, int x, int y, int w, int h,
- int dx, int dy) {
- final int state = sg2d.transformState;
- if (state > SunGraphics2D.TRANSFORM_TRANSLATESCALE
- || sg2d.compositeState >= SunGraphics2D.COMP_XOR) {
- return false;
- }
- if (state <= SunGraphics2D.TRANSFORM_ANY_TRANSLATE) {
- x += sg2d.transX;
- y += sg2d.transY;
- } else if (state == SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
- final double[] coords = {x, y, x + w, y + h, x + dx, y + dy};
- sg2d.transform.transform(coords, 0, coords, 0, 3);
- x = (int) Math.ceil(coords[0] - 0.5);
- y = (int) Math.ceil(coords[1] - 0.5);
- w = ((int) Math.ceil(coords[2] - 0.5)) - x;
- h = ((int) Math.ceil(coords[3] - 0.5)) - y;
- dx = ((int) Math.ceil(coords[4] - 0.5)) - x;
- dy = ((int) Math.ceil(coords[5] - 0.5)) - y;
- }
- oglRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy);
- return true;
- }
-
protected native void clearWindow();
public static class CGLWindowSurfaceData extends CGLSurfaceData {
--- a/jdk/src/java.desktop/share/classes/sun/java2d/SunGraphics2D.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/SunGraphics2D.java Fri Mar 11 21:57:43 2016 +0400
@@ -2101,13 +2101,39 @@
if (w <= 0 || h <= 0) {
return;
}
+
+ if (transformState == SunGraphics2D.TRANSFORM_ISIDENT) {
+ // do nothing
+ } else if (transformState <= SunGraphics2D.TRANSFORM_ANY_TRANSLATE) {
+ x += transX;
+ y += transY;
+ } else if (transformState == SunGraphics2D.TRANSFORM_TRANSLATESCALE) {
+ final double[] coords = {x, y, x + w, y + h, x + dx, y + dy};
+ transform.transform(coords, 0, coords, 0, 3);
+ x = (int) Math.ceil(coords[0] - 0.5);
+ y = (int) Math.ceil(coords[1] - 0.5);
+ w = ((int) Math.ceil(coords[2] - 0.5)) - x;
+ h = ((int) Math.ceil(coords[3] - 0.5)) - y;
+ dx = ((int) Math.ceil(coords[4] - 0.5)) - x;
+ dy = ((int) Math.ceil(coords[5] - 0.5)) - y;
+ // In case of negative scale transform, reflect the rect coords.
+ if (w < 0) {
+ w = -w;
+ x -= w;
+ }
+ if (h < 0) {
+ h = -h;
+ y -= h;
+ }
+ } else {
+ throw new InternalError("transformed copyArea not implemented yet");
+ }
+
SurfaceData theData = surfaceData;
if (theData.copyArea(this, x, y, w, h, dx, dy)) {
return;
}
- if (transformState > TRANSFORM_TRANSLATESCALE) {
- throw new InternalError("transformed copyArea not implemented yet");
- }
+
// REMIND: This method does not deal with missing data from the
// source object (i.e. it does not send exposure events...)
@@ -2126,26 +2152,6 @@
lastCAcomp = comp;
}
- double[] coords = {x, y, x + w, y + h, x + dx, y + dy};
- transform.transform(coords, 0, coords, 0, 3);
-
- x = (int)Math.ceil(coords[0] - 0.5);
- y = (int)Math.ceil(coords[1] - 0.5);
- w = ((int)Math.ceil(coords[2] - 0.5)) - x;
- h = ((int)Math.ceil(coords[3] - 0.5)) - y;
- dx = ((int)Math.ceil(coords[4] - 0.5)) - x;
- dy = ((int)Math.ceil(coords[5] - 0.5)) - y;
-
- // In case of negative scale transform, reflect the rect coords.
- if (w < 0) {
- w *= -1;
- x -= w;
- }
- if (h < 0) {
- h *= -1;
- y -= h;
- }
-
Blit ob = lastCAblit;
if (dy == 0 && dx > 0 && dx < w) {
while (w > 0) {
@@ -2167,7 +2173,7 @@
}
return;
}
- ob.Blit(theData, theData, comp, clip, x, y, x+dx, y+dy, w, h);
+ ob.Blit(theData, theData, comp, clip, x, y, x+dx, y+dy, w, h);
}
/*
--- a/jdk/src/java.desktop/share/classes/sun/java2d/SurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/SurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -1039,6 +1039,11 @@
* Performs a copyarea within this surface. Returns
* false if there is no algorithm to perform the copyarea
* given the current settings of the SunGraphics2D.
+ *
+ * @param x the x coordinate of the area in device space
+ * @param y the y coordinate of the area in device space
+ * @param w the width of the area in device space
+ * @param h the height of the area in device space
*/
public boolean copyArea(SunGraphics2D sg2d,
int x, int y, int w, int h, int dx, int dy)
--- a/jdk/src/java.desktop/share/classes/sun/java2d/opengl/OGLSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/opengl/OGLSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -542,20 +542,14 @@
return super.getMaskFill(sg2d);
}
- public boolean copyArea(SunGraphics2D sg2d,
- int x, int y, int w, int h, int dx, int dy)
- {
- if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
- sg2d.compositeState < SunGraphics2D.COMP_XOR)
- {
- x += sg2d.transX;
- y += sg2d.transY;
-
- oglRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy);
-
- return true;
+ @Override
+ public boolean copyArea(SunGraphics2D sg2d, int x, int y, int w, int h,
+ int dx, int dy) {
+ if (sg2d.compositeState >= SunGraphics2D.COMP_XOR) {
+ return false;
}
- return false;
+ oglRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy);
+ return true;
}
public void flush() {
--- a/jdk/src/java.desktop/unix/classes/sun/java2d/x11/X11SurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/unix/classes/sun/java2d/x11/X11SurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -487,12 +487,9 @@
makePipes();
}
CompositeType comptype = sg2d.imageComp;
- if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
- (CompositeType.SrcOverNoEa.equals(comptype) ||
+ if ((CompositeType.SrcOverNoEa.equals(comptype) ||
CompositeType.SrcNoEa.equals(comptype)))
{
- x += sg2d.transX;
- y += sg2d.transY;
SunToolkit.awtLock();
try {
boolean needExposures = canSourceSendExposures(x, y, w, h);
--- a/jdk/src/java.desktop/unix/classes/sun/java2d/xr/XRSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/unix/classes/sun/java2d/xr/XRSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -365,12 +365,9 @@
makePipes();
}
CompositeType comptype = sg2d.imageComp;
- if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
- (CompositeType.SrcOverNoEa.equals(comptype) ||
- CompositeType.SrcNoEa.equals(comptype)))
+ if (CompositeType.SrcOverNoEa.equals(comptype) ||
+ CompositeType.SrcNoEa.equals(comptype))
{
- x += sg2d.transX;
- y += sg2d.transY;
try {
SunToolkit.awtLock();
boolean needExposures = canSourceSendExposures(x, y, w, h);
--- a/jdk/src/java.desktop/windows/classes/sun/java2d/d3d/D3DSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/windows/classes/sun/java2d/d3d/D3DSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -703,20 +703,13 @@
}
@Override
- public boolean copyArea(SunGraphics2D sg2d,
- int x, int y, int w, int h, int dx, int dy)
- {
- if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
- sg2d.compositeState < SunGraphics2D.COMP_XOR)
- {
- x += sg2d.transX;
- y += sg2d.transY;
-
- d3dRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy);
-
- return true;
+ public boolean copyArea(SunGraphics2D sg2d, int x, int y, int w, int h,
+ int dx, int dy) {
+ if (sg2d.compositeState >= SunGraphics2D.COMP_XOR) {
+ return false;
}
- return false;
+ d3dRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy);
+ return true;
}
@Override
--- a/jdk/src/java.desktop/windows/classes/sun/java2d/windows/GDIWindowSurfaceData.java Fri Mar 11 19:45:03 2016 +0300
+++ b/jdk/src/java.desktop/windows/classes/sun/java2d/windows/GDIWindowSurfaceData.java Fri Mar 11 21:57:43 2016 +0400
@@ -311,13 +311,10 @@
int x, int y, int w, int h, int dx, int dy)
{
CompositeType comptype = sg2d.imageComp;
- if (sg2d.transformState < SunGraphics2D.TRANSFORM_TRANSLATESCALE &&
- sg2d.clipState != SunGraphics2D.CLIP_SHAPE &&
+ if (sg2d.clipState != SunGraphics2D.CLIP_SHAPE &&
(CompositeType.SrcOverNoEa.equals(comptype) ||
CompositeType.SrcNoEa.equals(comptype)))
{
- x += sg2d.transX;
- y += sg2d.transY;
int dstx1 = x + dx;
int dsty1 = y + dy;
int dstx2 = dstx1 + w;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/Graphics/CopyScaledArea/CopyScaledAreaTest.java Fri Mar 11 21:57:43 2016 +0400
@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.awt.image.VolatileImage;
+import static sun.awt.OSInfo.*;
+
+/**
+ * @test
+ * @bug 8069348
+ * @summary SunGraphics2D.copyArea() does not properly work for scaled graphics
+ * @modules java.desktop/sun.awt
+ * @run main/othervm -Dsun.java2d.uiScale=2 CopyScaledAreaTest
+ * @run main/othervm -Dsun.java2d.opengl=true -Dsun.java2d.uiScale=2 CopyScaledAreaTest
+ * @run main/othervm -Dsun.java2d.d3d=true -Dsun.java2d.uiScale=2 CopyScaledAreaTest
+ * @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.opengl=false
+ * -Dsun.java2d.uiScale=2 CopyScaledAreaTest
+ */
+public class CopyScaledAreaTest {
+
+ private static final int IMAGE_WIDTH = 800;
+ private static final int IMAGE_HEIGHT = 800;
+ private static final int X = 50;
+ private static final int Y = 50;
+ private static final int W = 100;
+ private static final int H = 75;
+ private static final int DX = 15;
+ private static final int DY = 10;
+ private static final int N = 3;
+ private static final Color BACKGROUND_COLOR = Color.YELLOW;
+ private static final Color FILL_COLOR = Color.ORANGE;
+ private static final double[][] SCALES = {{1.3, 1.4}, {0.3, 2.3}, {2.7, 0.1}};
+
+ private static boolean isSupported() {
+ String d3d = System.getProperty("sun.java2d.d3d");
+ return !Boolean.getBoolean(d3d) || getOSType() == OSType.WINDOWS;
+ }
+
+ private static int scale(int x, double scale) {
+ return (int) Math.floor(x * scale);
+ }
+
+ private static VolatileImage createVolatileImage(GraphicsConfiguration conf) {
+ return conf.createCompatibleVolatileImage(IMAGE_WIDTH, IMAGE_HEIGHT);
+ }
+
+ // rendering to the image
+ private static void renderOffscreen(VolatileImage vImg,
+ GraphicsConfiguration conf,
+ double scaleX,
+ double scaleY)
+ {
+ int attempts = 0;
+ do {
+
+ if (attempts > 10) {
+ throw new RuntimeException("Too many attempts!");
+ }
+
+ if (vImg.validate(conf) == VolatileImage.IMAGE_INCOMPATIBLE) {
+ // old vImg doesn't work with new GraphicsConfig; re-create it
+ vImg = createVolatileImage(conf);
+ }
+ Graphics2D g = vImg.createGraphics();
+ //
+ // miscellaneous rendering commands...
+ //
+ g.setColor(BACKGROUND_COLOR);
+ g.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT);
+ g.scale(scaleX, scaleY);
+
+ g.setColor(FILL_COLOR);
+ g.fillRect(X, Y, W, H);
+
+ for (int i = 0; i < N; i++) {
+ g.copyArea(X + i * DX, Y + i * DY, W, H, DX, DY);
+ }
+ g.dispose();
+ attempts++;
+ } while (vImg.contentsLost());
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ if (!isSupported()) {
+ return;
+ }
+
+ GraphicsConfiguration graphicsConfiguration =
+ GraphicsEnvironment.getLocalGraphicsEnvironment()
+ .getDefaultScreenDevice().getDefaultConfiguration();
+
+ for(double[] scales: SCALES){
+ testScale(scales[0], scales[1], graphicsConfiguration);
+ }
+ }
+
+ private static void testScale(double scaleX, double scaleY,
+ GraphicsConfiguration gc) throws Exception
+ {
+
+ BufferedImage buffImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT,
+ BufferedImage.TYPE_INT_RGB);
+ Graphics g = buffImage.createGraphics();
+
+ VolatileImage vImg = createVolatileImage(gc);
+
+ int attempts = 0;
+ do {
+
+ if (attempts > 10) {
+ throw new RuntimeException("Too many attempts!");
+ }
+
+ int returnCode = vImg.validate(gc);
+ if (returnCode == VolatileImage.IMAGE_RESTORED) {
+ // Contents need to be restored
+ renderOffscreen(vImg, gc, scaleX, scaleY); // restore contents
+ } else if (returnCode == VolatileImage.IMAGE_INCOMPATIBLE) {
+ // old vImg doesn't work with new GraphicsConfig; re-create it
+ vImg = createVolatileImage(gc);
+ renderOffscreen(vImg, gc, scaleX, scaleY);
+ }
+ g.drawImage(vImg, 0, 0, null);
+ attempts++;
+ } while (vImg.contentsLost());
+
+ g.dispose();
+
+ int x = scale(X + N * DX, scaleX) + 1;
+ int y = scale(Y + N * DY, scaleY) + 1;
+ int w = scale(W, scaleX) - 2;
+ int h = scale(H, scaleY) - 2;
+
+ for (int i = x; i < x + w; i++) {
+ for (int j = y; j < y + h; j++) {
+ if (buffImage.getRGB(i, j) != FILL_COLOR.getRGB()) {
+ throw new RuntimeException("Wrong rectangle color!");
+ }
+ }
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/JInternalFrame/8069348/bug8069348.java Fri Mar 11 21:57:43 2016 +0400
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import javax.swing.JDesktopPane;
+import javax.swing.JFrame;
+import javax.swing.JInternalFrame;
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+import static sun.awt.OSInfo.*;
+
+/**
+ * @test
+ * @bug 8069348
+ * @summary SunGraphics2D.copyArea() does not properly work for scaled graphics
+ * @author Alexandr Scherbatiy
+ * @modules java.desktop/sun.awt
+ * @run main/othervm -Dsun.java2d.uiScale=2 bug8069348
+ * @run main/othervm -Dsun.java2d.opengl=true -Dsun.java2d.uiScale=2 bug8069348
+ * @run main/othervm -Dsun.java2d.d3d=true -Dsun.java2d.uiScale=2 bug8069348
+ */
+public class bug8069348 {
+
+ private static final int WIN_WIDTH = 500;
+ private static final int WIN_HEIGHT = 500;
+
+ private static final Color DESKTOPPANE_COLOR = Color.YELLOW;
+ private static final Color FRAME_COLOR = Color.ORANGE;
+
+ private static JFrame frame;
+ private static JInternalFrame internalFrame;
+
+ public static void main(String[] args) throws Exception {
+
+ if (!isSupported()) {
+ return;
+ }
+
+ try {
+
+ SwingUtilities.invokeAndWait(bug8069348::createAndShowGUI);
+
+ Robot robot = new Robot();
+ robot.setAutoDelay(50);
+ robot.waitForIdle();
+
+ Rectangle screenBounds = getInternalFrameScreenBounds();
+
+ int x = screenBounds.x + screenBounds.width / 2;
+ int y = screenBounds.y + 10;
+ int dx = screenBounds.width / 2;
+ int dy = screenBounds.height / 2;
+
+ robot.mouseMove(x, y);
+ robot.waitForIdle();
+
+ robot.mousePress(InputEvent.BUTTON1_MASK);
+ robot.mouseMove(x + dx, y + dy);
+ robot.mouseRelease(InputEvent.BUTTON1_MASK);
+ robot.waitForIdle();
+
+ int cx = screenBounds.x + screenBounds.width + dx / 2;
+ int cy = screenBounds.y + screenBounds.height + dy / 2;
+
+ robot.mouseMove(cx, cy);
+ if (!FRAME_COLOR.equals(robot.getPixelColor(cx, cy))) {
+ throw new RuntimeException("Internal frame is not correctly dragged!");
+ }
+ } finally {
+ if (frame != null) {
+ frame.dispose();
+ }
+ }
+ }
+
+ private static boolean isSupported() {
+ String d3d = System.getProperty("sun.java2d.d3d");
+ return !Boolean.getBoolean(d3d) || getOSType() == OSType.WINDOWS;
+ }
+
+ private static Rectangle getInternalFrameScreenBounds() throws Exception {
+ Rectangle[] points = new Rectangle[1];
+ SwingUtilities.invokeAndWait(() -> {
+ points[0] = new Rectangle(internalFrame.getLocationOnScreen(),
+ internalFrame.getSize());
+ });
+ return points[0];
+ }
+
+ private static void createAndShowGUI() {
+
+ frame = new JFrame();
+ frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+ JDesktopPane desktopPane = new JDesktopPane();
+ desktopPane.setBackground(DESKTOPPANE_COLOR);
+
+ internalFrame = new JInternalFrame("Test") {
+
+ @Override
+ public void paint(Graphics g) {
+ super.paint(g);
+ g.setColor(FRAME_COLOR);
+ g.fillRect(0, 0, getWidth(), getHeight());
+ }
+ };
+ internalFrame.setSize(WIN_WIDTH / 3, WIN_HEIGHT / 3);
+ internalFrame.setVisible(true);
+ desktopPane.add(internalFrame);
+
+ JPanel panel = new JPanel();
+ panel.setLayout(new BorderLayout());
+ panel.add(desktopPane, BorderLayout.CENTER);
+ frame.add(panel);
+ frame.setSize(WIN_WIDTH, WIN_HEIGHT);
+ frame.setVisible(true);
+ frame.requestFocus();
+ }
+}