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/*
* Copyright (c) 2020, 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.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.ImageCapabilities;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import java.awt.image.ImageProducer;
import java.awt.image.VolatileImage;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
/**
* @test
* @bug 7183828
* @summary Tests that no exceptions are thrown when we draw the custom image
*/
public final class CustomImage extends Image {
public static void main(String[] args) {
Image ci = new CustomImage();
VolatileImage cvi = new CustomVolatileImage();
BufferedImage bi = generateImage();
Graphics2D g2d = bi.createGraphics();
// Custom Image
test(g2d.drawImage(ci, 0, 0, null), bi);
test(g2d.drawImage(ci, 0, 0, 5, 5, 0, 0, 5, 5, Color.BLUE, null), bi);
test(g2d.drawImage(ci, 0, 0, 9, 9, Color.BLUE, null), bi);
test(g2d.drawImage(ci, 0, 0, 5, 5, 0, 0, 9, 9, Color.BLUE, null), bi);
test(g2d.drawImage(ci, AffineTransform.getRotateInstance(30), null), bi);
// Custom VolatileImage
test(g2d.drawImage(cvi, 0, 0, null), bi);
test(g2d.drawImage(cvi, 0, 0, 5, 5, 0, 0, 5, 5, Color.BLUE, null), bi);
test(g2d.drawImage(cvi, 0, 0, 9, 9, Color.BLUE, null), bi);
test(g2d.drawImage(cvi, 0, 0, 5, 5, 0, 0, 9, 9, Color.BLUE, null), bi);
test(g2d.drawImage(cvi, AffineTransform.getRotateInstance(30), null), bi);
g2d.dispose();
}
private static BufferedImage generateImage() {
BufferedImage bi = new BufferedImage(100, 100, TYPE_INT_ARGB_PRE);
Graphics g = bi.createGraphics();
g.setColor(Color.GREEN);
g.fillRect(0, 0, 100, 100);
g.dispose();
return bi;
}
private static void test(boolean complete, BufferedImage bi) {
if (complete) {
throw new RuntimeException("Custom image successfully drawn");
}
for (int y = 0; y < bi.getHeight(); ++y) {
for (int x = 0; x < bi.getWidth(); ++x) {
if (bi.getRGB(x, y) != Color.GREEN.getRGB()) {
throw new RuntimeException("The image was changed");
}
}
}
}
@Override
public int getWidth(ImageObserver observer) {
return 100;
}
@Override
public int getHeight(ImageObserver observer) {
return 100;
}
@Override
public ImageProducer getSource() {
return null;
}
@Override
public Graphics getGraphics() {
return null;
}
@Override
public Object getProperty(String name, ImageObserver observer) {
return null;
}
private static final class CustomVolatileImage extends VolatileImage {
@Override
public BufferedImage getSnapshot() {
return null;
}
@Override
public int getWidth() {
return 100;
}
@Override
public int getHeight() {
return 100;
}
@Override
public Graphics2D createGraphics() {
return null;
}
@Override
public int validate(GraphicsConfiguration gc) {
return 0;
}
@Override
public boolean contentsLost() {
return false;
}
@Override
public ImageCapabilities getCapabilities() {
return null;
}
@Override
public int getWidth(ImageObserver observer) {
return 100;
}
@Override
public int getHeight(ImageObserver observer) {
return 100;
}
@Override
public Object getProperty(String name, ImageObserver observer) {
return null;
}
}
}
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