--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/image/MultiResolutionImageCommonTest.java Mon Sep 07 13:48:24 2015 +0300
@@ -0,0 +1,205 @@
+/*
+ * 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.image.BufferedImage;
+import sun.awt.SunHints;
+import java.awt.geom.AffineTransform;
+import java.util.Arrays;
+import java.util.List;
+import sun.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(int width, int height) {
+ return ((width <= getWidth() && height <= 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
+ ? SunHints.VALUE_RESOLUTION_VARIANT_ON
+ : SunHints.VALUE_RESOLUTION_VARIANT_OFF);
+ }
+
+ 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));
+ }
+ }
+
+}