author | phh |
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parent 49096 | eaef201ec301 |
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/* |
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* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.RenderingHints; |
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import java.awt.image.BufferedImage; |
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import sun.awt.SunHints; |
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import java.awt.geom.AffineTransform; |
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import java.util.Arrays; |
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import java.util.List; |
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import java.awt.image.MultiResolutionImage; |
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|
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/** |
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* @test |
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* @bug 8011059 |
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* @author Alexander Scherbatiy |
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* @summary Test MultiResolution image loading and painting with various scaling |
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* combinations |
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* @modules java.desktop/sun.awt |
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* java.desktop/sun.awt.image |
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*/ |
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public class MultiResolutionImageCommonTest { |
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|
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private static final int IMAGE_WIDTH = 300; |
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private static final int IMAGE_HEIGHT = 200; |
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private static final Color COLOR_1X = Color.GREEN; |
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private static final Color COLOR_2X = Color.BLUE; |
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|
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public static void main(String[] args) throws Exception { |
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testCustomMultiResolutionImage(); |
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System.out.println("Test passed."); |
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} |
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public static void testCustomMultiResolutionImage() { |
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testCustomMultiResolutionImage(false); |
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testCustomMultiResolutionImage(true); |
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} |
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public static void testCustomMultiResolutionImage( |
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boolean enableImageScaling) { |
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Image image = new MultiResolutionBufferedImage(); |
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// Same image size |
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BufferedImage bufferedImage = new BufferedImage( |
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IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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Graphics2D g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.drawImage(image, 0, 0, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); |
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// Twice image size |
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bufferedImage = new BufferedImage(2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, |
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BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.drawImage(image, 0, 0, 2 * IMAGE_WIDTH, |
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2 * IMAGE_HEIGHT, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); |
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checkColor(bufferedImage.getRGB(3 * IMAGE_WIDTH / 2, |
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3 * IMAGE_HEIGHT / 2), enableImageScaling); |
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// Scale 2x |
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bufferedImage = new BufferedImage( |
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2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.scale(2, 2); |
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g2d.drawImage(image, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); |
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// Rotate |
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bufferedImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, |
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BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.drawImage(image, 0, 0, null); |
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g2d.rotate(Math.PI / 4); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); |
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// Scale 2x and Rotate |
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bufferedImage = new BufferedImage( |
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2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.scale(-2, 2); |
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g2d.rotate(-Math.PI / 10); |
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g2d.drawImage(image, -IMAGE_WIDTH, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); |
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|
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// General Transform |
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bufferedImage = new BufferedImage( |
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2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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float delta = 0.05f; |
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float cos = 1 - delta * delta / 2; |
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float sin = 1 + delta; |
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AffineTransform transform |
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= new AffineTransform(2 * cos, 0.1, 0.3, -2 * sin, 10, -5); |
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g2d.setTransform(transform); |
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g2d.drawImage(image, 0, -IMAGE_HEIGHT, IMAGE_WIDTH, IMAGE_HEIGHT, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); |
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|
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int D = 10; |
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// From Source to small Destination region |
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bufferedImage = new BufferedImage( |
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IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.drawImage(image, IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2, |
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IMAGE_WIDTH - D, IMAGE_HEIGHT - D, |
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D, D, IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 4, 3 * IMAGE_HEIGHT / 4), false); |
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|
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// From Source to large Destination region |
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bufferedImage = new BufferedImage( |
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2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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g2d = (Graphics2D) bufferedImage.getGraphics(); |
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setImageScalingHint(g2d, enableImageScaling); |
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g2d.drawImage(image, D, D, 2 * IMAGE_WIDTH - D, 2 * IMAGE_HEIGHT - D, |
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IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2, |
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IMAGE_WIDTH - D, IMAGE_HEIGHT - D, null); |
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checkColor(bufferedImage.getRGB( |
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3 * IMAGE_WIDTH / 2, 3 * IMAGE_HEIGHT / 2), enableImageScaling); |
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} |
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|
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static class MultiResolutionBufferedImage extends BufferedImage |
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implements MultiResolutionImage { |
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|
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Image highResolutionImage; |
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|
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public MultiResolutionBufferedImage() { |
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super(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB); |
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highResolutionImage = new BufferedImage( |
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2 * IMAGE_WIDTH, 2 * IMAGE_HEIGHT, |
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BufferedImage.TYPE_INT_RGB); |
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draw(getGraphics(), 1); |
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draw(highResolutionImage.getGraphics(), 2); |
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} |
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|
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final void draw(Graphics graphics, float resolution) { |
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Graphics2D g2 = (Graphics2D) graphics; |
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g2.scale(resolution, resolution); |
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g2.setColor((resolution == 1) ? COLOR_1X : COLOR_2X); |
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g2.fillRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT); |
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} |
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|
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@Override |
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public Image getResolutionVariant( |
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double destImageWidth, double destImageHeight) { |
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return ((destImageWidth <= getWidth() && destImageHeight <= getHeight())) |
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? this : highResolutionImage; |
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} |
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|
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@Override |
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public List<Image> getResolutionVariants() { |
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return Arrays.asList(this, highResolutionImage); |
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} |
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} |
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189 |
|
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static void setImageScalingHint( |
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Graphics2D g2d, boolean enableImageScaling) { |
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g2d.setRenderingHint(SunHints.KEY_RESOLUTION_VARIANT, enableImageScaling |
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? RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT |
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: RenderingHints.VALUE_RESOLUTION_VARIANT_BASE); |
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} |
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|
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static void checkColor(int rgb, boolean isImageScaled) { |
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|
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if (!isImageScaled && COLOR_1X.getRGB() != rgb) { |
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throw new RuntimeException("Wrong 1x color: " + new Color(rgb)); |
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} |
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202 |
|
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if (isImageScaled && COLOR_2X.getRGB() != rgb) { |
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throw new RuntimeException("Wrong 2x color" + new Color(rgb)); |
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} |
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} |
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|
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} |