1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.iio; 27 28 import com.sun.prism.Image; 29 import java.awt.image.BufferedImage; 30 import java.io.ByteArrayInputStream; 31 import java.io.ByteArrayOutputStream; 32 import java.io.IOException; 33 import java.io.InputStream; 34 import javax.imageio.ImageIO; 35 import static org.junit.Assert.assertNotNull; 36 import static org.junit.Assert.assertTrue; 37 import static org.junit.Assert.fail; 38 import org.junit.Test; 39 40 public class ImageLoaderScalingTest { 41 private static final int testWidth = 170, testHeight = 62; 42 43 Image loadImage(InputStream stream, 44 int width, int height, boolean preserveRatio, boolean smooth) 45 { 46 try { 47 ImageFrame[] frames = ImageStorage.loadAll(stream, null, 48 width, height, preserveRatio, 1.0f, smooth); 49 assertTrue(frames.length > 0); 50 assertNotNull(frames[0]); 51 return Image.convertImageFrame(frames[0]); 52 } catch (ImageStorageException e) { 53 if (e.getCause() != null) { 54 e.getCause().printStackTrace(); 55 fail("unexpected ImageStorageException: " + e.getCause()); 56 } else { 57 fail("unexpected ImageStorageException: " + e); 58 } 59 } 60 return null; 61 } 62 63 ByteArrayInputStream getJPGStream(BufferedImage bImg) { 64 ByteArrayOutputStream out = new ByteArrayOutputStream(); 65 try { 66 ImageIO.write(bImg, "jpg", out); 67 } catch (IOException e) { 68 fail("unexpected IOException: " + e); 69 } 70 return new ByteArrayInputStream(out.toByteArray()); 71 } 72 73 Image getImage(BufferedImage bImg, 74 int width, int height, boolean preserveRatio, boolean smooth) 75 { 76 return loadImage(getJPGStream(bImg), width, height, preserveRatio, smooth); 77 } 78 79 BufferedImage createImage(int w, int h) { 80 return new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); 81 } 82 83 void testResize(int w, int h) { 84 BufferedImage bImg = createImage(testWidth, testHeight); 85 assertNotNull(getImage(bImg, w, h, false, false)); 86 assertNotNull(getImage(bImg, w, h, false, true)); 87 assertNotNull(getImage(bImg, w, h, true, false)); 88 assertNotNull(getImage(bImg, w, h, true, true)); 89 } 90 91 @Test 92 public void testNoScale() { 93 testResize(0, 0); 94 } 95 96 @Test 97 public void testScale() { 98 testResize(testWidth * 2, testHeight * 2); 99 testResize(testWidth / 2, testHeight / 2); 100 } 101 102 @Test 103 public void testRT20295() { 104 ByteArrayInputStream in = getJPGStream(createImage(100, 62)); 105 // (62.0 / 78.0) * 78 != 62 106 assertNotNull(loadImage(in, 100, 78, false, false)); 107 } 108 }