| /* | |
| * Copyright (c) 2013, 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.Color; | |
| import java.awt.Graphics; | |
| import java.awt.Graphics2D; | |
| import java.awt.Image; | |
| import java.awt.RenderingHints; | |
| import java.awt.image.BufferedImage; | |
| import sun.awt.SunHints; | |
| import java.awt.geom.AffineTransform; | |
| import java.util.Arrays; | |
| import java.util.List; | |
| import java.awt.image.MultiResolutionImage; | |
| /** | |
| * @test | |
| * @bug 8011059 | |
| * @author Alexander Scherbatiy | |
| * @summary Test MultiResolution image loading and painting with various scaling | |
| * combinations | |
| * @modules java.desktop/sun.awt | |
| * java.desktop/sun.awt.image | |
| */ | |
| public class MultiResolutionImageCommonTest { | |
| private static final int IMAGE_WIDTH = 300; | |
| private static final int IMAGE_HEIGHT = 200; | |
| private static final Color COLOR_1X = Color.GREEN; | |
| private static final Color COLOR_2X = Color.BLUE; | |
| public static void main(String[] args) throws Exception { | |
| testCustomMultiResolutionImage(); | |
| System.out.println("Test passed."); | |
| } | |
| public static void testCustomMultiResolutionImage() { | |
| testCustomMultiResolutionImage(false); | |
| testCustomMultiResolutionImage(true); | |
| } | |
| public static void testCustomMultiResolutionImage( | |
| boolean enableImageScaling) { | |
| Image image = new MultiResolutionBufferedImage(); | |
| // Same image size | |
| BufferedImage bufferedImage = new BufferedImage( | |
| IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| Graphics2D g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.drawImage(image, 0, 0, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); | |
| // Twice image size | |
| bufferedImage = new BufferedImage(2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, | |
| BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.drawImage(image, 0, 0, 2 * IMAGE_WIDTH, | |
| 2 * IMAGE_HEIGHT, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); | |
| checkColor(bufferedImage.getRGB(3 * IMAGE_WIDTH / 2, | |
| 3 * IMAGE_HEIGHT / 2), enableImageScaling); | |
| // Scale 2x | |
| bufferedImage = new BufferedImage( | |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.scale(2, 2); | |
| g2d.drawImage(image, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); | |
| // Rotate | |
| bufferedImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, | |
| BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.drawImage(image, 0, 0, null); | |
| g2d.rotate(Math.PI / 4); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); | |
| // Scale 2x and Rotate | |
| bufferedImage = new BufferedImage( | |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.scale(-2, 2); | |
| g2d.rotate(-Math.PI / 10); | |
| g2d.drawImage(image, -IMAGE_WIDTH, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); | |
| // General Transform | |
| bufferedImage = new BufferedImage( | |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| float delta = 0.05f; | |
| float cos = 1 - delta * delta / 2; | |
| float sin = 1 + delta; | |
| AffineTransform transform | |
| = new AffineTransform(2 * cos, 0.1, 0.3, -2 * sin, 10, -5); | |
| g2d.setTransform(transform); | |
| g2d.drawImage(image, 0, -IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_HEIGHT, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); | |
| int D = 10; | |
| // From Source to small Destination region | |
| bufferedImage = new BufferedImage( | |
| IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.drawImage(image, IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2, | |
| IMAGE_WIDTH - D, IMAGE_HEIGHT - D, | |
| D, D, IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); | |
| // From Source to large Destination region | |
| bufferedImage = new BufferedImage( | |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| g2d = (Graphics2D) bufferedImage.getGraphics(); | |
| setImageScalingHint(g2d, enableImageScaling); | |
| g2d.drawImage(image, D, D, 2 * IMAGE_WIDTH - D, 2 * IMAGE_HEIGHT - D, | |
| IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2, | |
| IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null); | |
| checkColor(bufferedImage.getRGB( | |
| 3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); | |
| } | |
| static class MultiResolutionBufferedImage extends BufferedImage | |
| implements MultiResolutionImage { | |
| Image highResolutionImage; | |
| public MultiResolutionBufferedImage() { | |
| super(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); | |
| highResolutionImage = new BufferedImage( | |
| 2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, | |
| BufferedImage.TYPE_INT_RGB); | |
| draw(getGraphics(), 1); | |
| draw(highResolutionImage.getGraphics(), 2); | |
| } | |
| final void draw(Graphics graphics, float resolution) { | |
| Graphics2D g2 = (Graphics2D) graphics; | |
| g2.scale(resolution, resolution); | |
| g2.setColor((resolution == 1) ? COLOR_1X : COLOR_2X); | |
| g2.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT); | |
| } | |
| @Override | |
| public Image getResolutionVariant( | |
| double destImageWidth, double destImageHeight) { | |
| return ((destImageWidth <= getWidth() && destImageHeight <= getHeight())) | |
| ? this : highResolutionImage; | |
| } | |
| @Override | |
| public List<Image> getResolutionVariants() { | |
| return Arrays.asList(this, highResolutionImage); | |
| } | |
| } | |
| static void setImageScalingHint( | |
| Graphics2D g2d, boolean enableImageScaling) { | |
| g2d.setRenderingHint(SunHints.KEY_RESOLUTION_VARIANT, enableImageScaling | |
| ? RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT | |
| : RenderingHints.VALUE_RESOLUTION_VARIANT_BASE); | |
| } | |
| static void checkColor(int rgb, boolean isImageScaled) { | |
| if (!isImageScaled && COLOR_1X.getRGB() != rgb) { | |
| throw new RuntimeException("Wrong 1x color: " + new Color(rgb)); | |
| } | |
| if (isImageScaled && COLOR_2X.getRGB() != rgb) { | |
| throw new RuntimeException("Wrong 2x color" + new Color(rgb)); | |
| } | |
| } | |
| } |