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8340143: Open source several Java2D rendering loop tests.

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Reviewed-by: psadhukhan
This commit is contained in:
Phil Race 2024-09-24 18:07:33 +00:00
parent 212e32931c
commit 90c2c0b4ad
5 changed files with 394 additions and 0 deletions
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57
test/jdk/sun/java2d/loops/ARGBBgToRGB.java Normal file
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/*
* 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 4238978
* @summary This test verifies that the correct blitting loop is being used.
* The correct output should have a yellow border on the top and
* left sides of a red box. The incorrect output would have only
* a red box -- no yellow border."
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
public class ARGBBgToRGB {
public static void main(String[] argv) {
BufferedImage bi = new BufferedImage(256, 256, BufferedImage.TYPE_INT_ARGB);
Graphics2D big = bi.createGraphics();
big.setColor(Color.red);
big.fillRect(30, 30, 150, 150);
BufferedImage bi2 = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
Graphics2D big2 = bi2.createGraphics();
big2.drawImage(bi, 0, 0, Color.yellow, null);
int expectYellowPix = bi2.getRGB(0, 0);
int expectRedPix = bi2.getRGB(50, 50);
if ((expectYellowPix != Color.yellow.getRGB()) ||
(expectRedPix != Color.red.getRGB()))
{
throw new RuntimeException("Unexpected colors " + expectYellowPix + " " + expectRedPix);
}
}
}

103
test/jdk/sun/java2d/loops/CopyNegative.java Normal file
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/*
* 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 4188744
* @summary This test verifies that copyArea performs correctly for negative offset values.
* The correct output shows that the text area is moved to the left and down,
* leaving some garbage on the right and the top.
* The incorrect copy would show the text area garbled and no text is legible.
* @library /java/awt/regtesthelpers
* @build PassFailJFrame
* @run main/manual CopyNegative
*/
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Panel;
public class CopyNegative extends Panel {
private static final String INSTRUCTIONS = """
This test verifies that copyArea performs correctly for negative offset values.
The test draws text in an image, then copies the contents repeatedly.
The correct output shows that the text is moved to the left and down,
leaving some garbage on the top / right and some legible text at the bottom left.
The incorrect copy would show the whole text area garbled and no text is legible.
""";
public static void main(String[] argv) throws Exception {
PassFailJFrame.builder()
.title("CopyNegativeTest")
.instructions(INSTRUCTIONS)
.testUI(CopyNegative::createUI)
.testTimeOut(5)
.rows(10)
.columns(50)
.build()
.awaitAndCheck();
}
Image img;
static final int W = 200, H = 200;
static Frame createUI() {
Frame f = new Frame("CopyNegative");
f.add(new CopyNegative());
f.pack();
return f;
}
public Dimension getPreferredSize() {
return new Dimension(W, H);
}
private void doCopy() {
Graphics g = img.getGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, W, H);
g.setColor(Color.black);
String text = "Some Text To Display, it is long enough to fill the entire display line.";
StringBuffer sb = new StringBuffer(text);
for (int i = 1; i < 50; i++) {
g.drawString(sb.toString(), 5,20 * i - 10);
sb.insert(0, Integer.toString(i));
}
for (int i = 0 ; i < 20 ; i++ ) {
g.copyArea(0, 0, W, H, -3, 3);
}
}
public void paint(Graphics g) {
img = createImage(W, H);
doCopy();
g.drawImage(img, 0, 0, this);
}
}

73
test/jdk/sun/java2d/loops/DitheredSolidFill.java Normal file
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/*
* 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 4181172
* @summary Confirm that solid white fill is not dithered on an 8-bit indexed surface.
* The test draws two areas filled with white solid color.
* The upper left square is filled in aliasing mode and
* the lower right square is filled in anti-aliasing mode.
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
public class DitheredSolidFill {
public static void main(String args[]) {
BufferedImage bi = new BufferedImage(120, 120, BufferedImage.TYPE_BYTE_INDEXED);
Graphics2D g2D = bi.createGraphics();
g2D.setColor(Color.black);
g2D.fillRect(0, 0, 100, 100);
g2D.setColor(Color.white);
g2D.fillRect(5, 5, 40, 40);
checkPixels(bi, 5, 5, 40, 40);
g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2D.fillRect(55, 55, 40, 40);
checkPixels(bi, 55, 55, 40, 40);
}
static void checkPixels(BufferedImage bi, int x, int y, int w, int h) {
// pixel can be off white, but must be the same in all cases.
int expectedPix = bi.getRGB(x, y);
for (int x0 = x; x0 < x + w; x0++) {
for (int y0 = y; y0 < y + h; y0++) {
if (bi.getRGB(x0, y0) != expectedPix) {
try {
javax.imageio.ImageIO.write(bi, "png", new java.io.File("failed.png"));
} catch (Exception e) {
}
throw new RuntimeException("Not expected pix : " +
Integer.toHexString(bi.getRGB(x0, y0)) +
" at " + x0 + "," + y0);
}
}
}
}
}

68
test/jdk/sun/java2d/loops/OffsetCalculationTest.java Normal file
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/*
* 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 4236576
@summary tests that a BufferedImage in TYPE_3BYTE_BGR format is correctly
drawn when there is an offset between the Graphics clip bounds
and the clip box of the underlying device context.
@run main OffsetCalculationTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
public class OffsetCalculationTest {
public static void main(String[] args) {
BufferedImage srcImage = new BufferedImage(500, 500, BufferedImage.TYPE_3BYTE_BGR);
DataBuffer buffer = srcImage.getRaster().getDataBuffer();
for (int i = 2; i < buffer.getSize(); i+=3) {
// setting each pixel to blue via the data buffer elements.
buffer.setElem(i - 2, 0xff);
buffer.setElem(i - 1, 0);
buffer.setElem(i, 0);
}
int w = 200, h = 200;
BufferedImage destImage = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
Graphics2D g = destImage.createGraphics();
Rectangle r = new Rectangle(0, 0, w, h);
g.setClip(r.x - 1, r.y, r.width + 1, r.height);
g.drawImage(srcImage, 0, 0, null);
int bluepix = Color.blue.getRGB();
for (int y = 0; y < w; y++) {
for (int x = 0; x < h; x++) {
if (destImage.getRGB(x, y) != bluepix) {
throw new RuntimeException("Not Blue");
}
}
}
}
}

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test/jdk/sun/java2d/loops/XORClearRect.java Normal file
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/*
* 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 4088173
* @summary This interactive test verifies that the XOR mode is not affecting
* the clearRect() call. The correct output looks like:
*
* \ /
* \ /
* The backgound is blue.
* The lines outside the central rectangle are green.
* The central rectangle is also blue (the result of clearRect())
* / \
* / \
*
* @key headful
* @run main XORClearRect
*/
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Robot;
public class XORClearRect extends Panel {
public static void main(String args[]) throws Exception {
EventQueue.invokeAndWait(XORClearRect::createUI);
try {
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(2000);
Point p = frame.getLocationOnScreen();
int pix = robot.getPixelColor(p.x + 100, p.y + 100).getRGB();
if (pix != Color.blue.getRGB()) {
throw new RuntimeException("Not blue");
}
} finally {
if (frame != null) {
EventQueue.invokeAndWait(frame::dispose);
}
}
}
static volatile Frame frame;
static void createUI() {
frame = new Frame("XORClearRect");
frame.setBackground(Color.blue);
XORClearRect xor = new XORClearRect();
frame.add(xor);
frame.setSize(200,200);
frame.setVisible(true);
}
public XORClearRect() {
setBackground(Color.blue);
}
public void paint(Graphics g) {
g.setColor(Color.green);
g.drawLine(0,0,200,200);
g.drawLine(0,200,200,0);
g.setXORMode(Color.blue);
g.clearRect(50,50,100,100); //expecting the rectangle to be filled
// with the background color (blue)
}
}