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/*
* Copyright (c) 2005, 2022, 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 5106309
* @key headful
* @summary Verifies that XOR mode works properly for all pipelines
* (for both simple Colors and complex Paints).
*
* @requires (os.family == "windows")
* @run main/othervm XORPaint
* @run main/othervm -Dsun.java2d.d3d=True -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.d3d=True -Dsun.java2d.uiScale=1.25 XORPaint
* @run main/othervm -Dsun.java2d.d3d=True -Dsun.java2d.uiScale=1.5 XORPaint
* @run main/othervm -Dsun.java2d.d3d=True -Dsun.java2d.uiScale=1.75 XORPaint
* @run main/othervm -Dsun.java2d.d3d=True -Dsun.java2d.uiScale=2 XORPaint
* @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.uiScale=1.25 XORPaint
* @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.uiScale=1.5 XORPaint
* @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.uiScale=1.75 XORPaint
* @run main/othervm -Dsun.java2d.d3d=false -Dsun.java2d.uiScale=2 XORPaint
*/
/*
* @test
* @bug 5106309
* @key headful
* @summary Verifies that XOR mode works properly for all pipelines
* (for both simple Colors and complex Paints).
*
* @requires (os.family == "mac")
* @run main/othervm XORPaint
* @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.opengl=True -Dsun.java2d.uiScale=2 XORPaint
* @run main/othervm -Dsun.java2d.metal=True -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.metal=True -Dsun.java2d.uiScale=2 XORPaint
*/
/*
* @test
* @bug 5106309
* @key headful
* @summary Verifies that XOR mode works properly for all pipelines
* (for both simple Colors and complex Paints).
*
* @requires (os.family == "linux")
* @run main/othervm XORPaint
* @run main/othervm -Dsun.java2d.xrender=True -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.xrender=True -Dsun.java2d.uiScale=2 XORPaint
* @run main/othervm -Dsun.java2d.xrender=false -Dsun.java2d.uiScale=1 XORPaint
* @run main/othervm -Dsun.java2d.xrender=false -Dsun.java2d.uiScale=2 XORPaint
*/
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class XORPaint extends Panel {
private static final int WHITE = 0xffffffff;
private static final int BLUE = 0xff0000ff;
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(Color.white);
g2d.fillRect(0, 0, getWidth(), getHeight());
// render the tests without antialiasing
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
renderTests(g2d, "This is non-AA text");
// now do the above tests again, this time with antialiasing
g2d.translate(0, 100);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
renderTests(g2d, "This is AA text");
}
private void renderTests(Graphics2D g2d, String text) {
g2d.setFont(new Font("Dialog", Font.PLAIN, 12));
g2d.setColor(Color.blue);
g2d.setXORMode(Color.white);
// fill a rectangle once and make sure it is blue
g2d.fillRect(5, 5, 20, 20);
// fill another rectangle twice and make sure it is reversible
// (should produce the background color)
g2d.fillRect(35, 5, 20, 20);
g2d.fillRect(35, 5, 20, 20);
// draw a string once and make sure it is blue
g2d.drawString(text, 5, 50);
// draw another string twice and make sure it is reversible
// (should produce the background color)
g2d.drawString(text, 5, 70);
g2d.drawString(text, 5, 70);
g2d.setPaint(new GradientPaint(0.0f, 0.0f, Color.blue,
100.0f, 100.f, Color.blue, true));
g2d.fillRect(70, 5, 20, 20);
}
/*
* Not great having to allow any tolerance but some of
* the scaling down for screen captures seems to introduce
* tiny rounding errors that aren't consistent.
* Allow a very small tolerance for this
*/
private static boolean pixelsMatch(int p1, int p2) {
// note : ignoring alpha
int tol = 1;
int r1 = p1 & 0x00ff0000 >> 16;
int g1 = p1 & 0x0000ff00 >> 8;
int b1 = p1 & 0x000000ff;
int r2 = p2 & 0x00ff0000 >> 16;
int g2 = p2 & 0x0000ff00 >> 8;
int b2 = p2 & 0x000000ff;
int rd = r2 - r1; if (rd < 0) rd = -rd;
int gd = g2 - g1; if (gd < 0) gd = -gd;
int bd = b2 - b1; if (bd < 0) bd = -bd;
return (rd <= tol && gd <= tol && bd <= tol);
}
private static void testPixel(BufferedImage capture,
int x, int y, int expectedPixel,
String testDesc, boolean expectedRes)
{
int pixel = capture.getRGB(x, y);
if (expectedRes) {
if (!pixelsMatch(pixel, expectedPixel)) {
try {
ImageIO.write(capture, "png", new File("capture.png"));
} catch (IOException e) {
System.err.println("can't write image " + e);
}
throw new RuntimeException(
"Failed: Incorrect color for " + testDesc
+ " at (" + x + ", " + y + ") "
+ "(expected: " + Integer
.toHexString(expectedPixel) + " actual: "
+ Integer.toHexString(pixel) + ")");
}
} else {
if (pixelsMatch(pixel, expectedPixel)) {
try {
ImageIO.write(capture, "png", new File("capture.png"));
} catch (IOException e) {
System.err.println("can't write image " + e);
}
throw new RuntimeException(
"Failed: Incorrect color for " + testDesc +
" at (" + x + ", " + y + ") " +
" : 0x" + Integer.toHexString(pixel));
}
}
}
private static void testPixels(BufferedImage capture,
int yoff, String type)
{
testPixel(capture, 10, yoff+10, BLUE, "solid rect"+type , true);
testPixel(capture, 40, yoff+10, WHITE, "erased solid rect"+type, true);
testPixel(capture, 80, yoff+10, BLUE, "GradientPaint rect"+type, true);
testPixel(capture, 5, yoff+61, WHITE, "erased text"+type, true);
}
public static void main(String[] args) throws Exception {
final Frame frame = new Frame("XORPaint Test");
final XORPaint xorPanel = new XORPaint();
EventQueue.invokeAndWait(() -> {
frame.add(xorPanel);
frame.setUndecorated(true);
frame.pack();
frame.setSize(250, 250);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
Toolkit.getDefaultToolkit().sync();
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(2000);
Point pt1 = xorPanel.getLocationOnScreen();
Rectangle rect = new Rectangle(pt1.x, pt1.y, 200, 200);
BufferedImage capture = robot.createScreenCapture(rect);
EventQueue.invokeAndWait(() -> frame.dispose());
// Make sure we have a white background, for starters
testPixel(capture, 180, 180, WHITE, "background", true);
// Test the non-AA primitives
testPixels(capture, 0, " (non-AA)");
// Test the AA primitives
testPixels(capture, 100, " (AA)");
}
}
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