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/*******************************************************************************
* Copyright (c) 2018 Remain Software
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* wim.jongman@remainsoftware.com - initial API and implementation
*******************************************************************************/
package org.eclipse.tips.util;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tips.ui.internal.util.ImageUtil;
import org.junit.Test;
public class ImageUtilTest {
private static String fImageBase64 = "" //
+ "iVBORw0KGgoAAAANSUhEUgAAACIAAAAkCAYAAADsHujfAAAAAXNSR0IArs4c6QAAAARnQU1BAACx"
+ "jwv8YQUAAAAJcEhZcwAAJOgAACToAYJjBRwAAAEcSURBVFhH7dZBCsIwEIXh3MkbuPJubtwI0kOIK"
+ "IJuddseo+eIPORBDZM0MyPaRQr/IiRtP9osEoa+j0uoQdKykPVtiLunPKdtcx/i9iHPMRECRDi+82K"
+ "A4LNKGBHCG5kVM0UgjKV1SITgxdMHIC1Gg0DZPeLBaBEoC0EWjAWBihCkwVgRaBaCajAeBKqCoBLGi0"
+ "DVECRhVtfPsQWBVBAkYZgVgdQQlPsy0traTJB0TzDuGUtqSA7BrBgVJEVgLP0mC6YaIiE49w1MFaSEYF"
+ "7MLKQGwTyYIkSDYFZMFmJBMAtGhHgQTIsRIdObLQiWYnAWltYhEYJDrhfBiCkhUHGz/rIGSWuQtAZJC+M"
+ "4xn93Ol9iiAu49oduKZAuvgC5R8NSTiN3qAAAAABJRU5ErkJggg==";
private static String fImageBase64HTML = "data:image/png;base64," //
+ "iVBORw0KGgoAAAANSUhEUgAAACIAAAAkCAYAAADsHujfAAAAAXNSR0IArs4c6QAAAARnQU1BAACx"
+ "jwv8YQUAAAAJcEhZcwAAJOgAACToAYJjBRwAAAEcSURBVFhH7dZBCsIwEIXh3MkbuPJubtwI0kOIK"
+ "IJuddseo+eIPORBDZM0MyPaRQr/IiRtP9osEoa+j0uoQdKykPVtiLunPKdtcx/i9iHPMRECRDi+82K"
+ "A4LNKGBHCG5kVM0UgjKV1SITgxdMHIC1Gg0DZPeLBaBEoC0EWjAWBihCkwVgRaBaCajAeBKqCoBLGi0"
+ "DVECRhVtfPsQWBVBAkYZgVgdQQlPsy0traTJB0TzDuGUtqSA7BrBgVJEVgLP0mC6YaIiE49w1MFaSEYF"
+ "7MLKQGwTyYIkSDYFZMFmJBMAtGhHgQTIsRIdObLQiWYnAWltYhEYJDrhfBiCkhUHGz/rIGSWuQtAZJC+M"
+ "4xn93Ol9iiAu49oduKZAuvgC5R8NSTiN3qAAAAABJRU5ErkJggg==";
@Test
public void decodeImageToBase64Test() throws IOException {
Image image = new Image(null, ImageUtil.decodeToImage(fImageBase64));
String base64Image = ImageUtil.decodeFromImage(image, SWT.IMAGE_PNG);
image.dispose();
image = new Image(null, ImageUtil.decodeToImage(base64Image));
String base64Image2 = ImageUtil.decodeFromImage(image, SWT.IMAGE_PNG);
assertTrue(base64Image, base64Image.equals(base64Image2));
image.dispose();
Image image2 = new Image(null, ImageUtil.decodeToImage(fImageBase64HTML));
String base64Image3 = ImageUtil.decodeFromImage(image2, SWT.IMAGE_PNG);
image2.dispose();
image2 = new Image(null, ImageUtil.decodeToImage(base64Image3));
String base64Image4 = ImageUtil.decodeFromImage(image2, SWT.IMAGE_PNG);
assertTrue(base64Image3, base64Image3.equals(base64Image4));
image2.dispose();
}
@Test
public void testGetWidth() {
assertTrue(ImageUtil.getWidth(1, 1000, 100) == 100);
assertTrue(ImageUtil.getWidth(1, 100, 1000) == 100);
assertTrue(ImageUtil.getWidth(1, 100, 99) == 99);
assertTrue(ImageUtil.getWidth(1, 100, 98) == 98);
assertTrue(ImageUtil.getWidth(1, 100, 100) == 100);
assertTrue(ImageUtil.getWidth(1, 99, 100) == 99);
assertTrue(ImageUtil.getWidth(1, 77, 77) == 77);
assertTrue(ImageUtil.getWidth(1, 101, 100) == 100);
assertTrue(ImageUtil.getWidth(1, 149, 100) == 100);
assertTrue(ImageUtil.getWidth(1, 200, 300) == 200);
assertTrue(ImageUtil.getWidth(1, 11, 10) == 10);
assertTrue(ImageUtil.getWidth(0.5, 1000, 100) == 50);
assertTrue(ImageUtil.getWidth(0.5, 100, 1000) == 100);
assertTrue(ImageUtil.getWidth(0.5, 100, 99) == 49);
assertTrue(ImageUtil.getWidth(0.5, 100, 98) == 49);
assertTrue(ImageUtil.getWidth(0.5, 100, 100) == 50);
assertTrue(ImageUtil.getWidth(0.5, 99, 100) == 50);
assertTrue(ImageUtil.getWidth(0.5, 77, 77) == 38);
assertTrue(ImageUtil.getWidth(0.5, 101, 100) == 50);
assertTrue(ImageUtil.getWidth(0.5, 149, 100) == 50);
assertTrue(ImageUtil.getWidth(0.5, 200, 300) == 150);
assertTrue(ImageUtil.getWidth(0.5, 11, 10) == 5);
assertTrue(ImageUtil.getWidth(2, 1000, 100) == 200);
assertTrue(ImageUtil.getWidth(2, 100, 1000) == 100);
assertTrue(ImageUtil.getWidth(2, 100, 99) == 100);
assertTrue(ImageUtil.getWidth(2, 100, 50) == 100);
assertTrue(ImageUtil.getWidth(2, 100, 49) == 98);
assertTrue(ImageUtil.getWidth(2, 100, 98) == 100);
assertTrue(ImageUtil.getWidth(2, 100, 100) == 100);
assertTrue(ImageUtil.getWidth(2, 99, 100) == 99);
assertTrue(ImageUtil.getWidth(2, 77, 77) == 77);
assertTrue(ImageUtil.getWidth(2, 101, 100) == 101);
assertTrue(ImageUtil.getWidth(2, 149, 100) == 149);
assertTrue(ImageUtil.getWidth(2, 200, 300) == 200);
assertTrue(ImageUtil.getWidth(2, 11, 10) == 11);
}
@Test
public void testGetHeight() {
assertTrue(ImageUtil.getHeight(1, 1000, 100) == 100);
assertTrue(ImageUtil.getHeight(1, 100, 1000) == 100);
assertTrue(ImageUtil.getHeight(1, 100, 99) == 99);
assertTrue(ImageUtil.getHeight(1, 100, 98) == 98);
assertTrue(ImageUtil.getHeight(1, 100, 100) == 100);
assertTrue(ImageUtil.getHeight(1, 99, 100) == 99);
assertTrue(ImageUtil.getHeight(1, 77, 77) == 77);
assertTrue(ImageUtil.getHeight(1, 101, 100) == 100);
assertTrue(ImageUtil.getHeight(1, 149, 100) == 100);
assertTrue(ImageUtil.getHeight(1, 200, 300) == 200);
assertTrue(ImageUtil.getHeight(1, 11, 10) == 10);
assertTrue(ImageUtil.getHeight(0.5, 1000, 100) == 100);
assertTrue(ImageUtil.getHeight(0.5, 100, 1000) == 200);
assertTrue(ImageUtil.getHeight(0.5, 100, 99) == 99);
assertTrue(ImageUtil.getHeight(0.5, 100, 98) == 98);
assertTrue(ImageUtil.getHeight(0.5, 100, 100) == 100);
assertTrue(ImageUtil.getHeight(0.5, 99, 100) == 100);
assertTrue(ImageUtil.getHeight(0.5, 77, 77) == 77);
assertTrue(ImageUtil.getHeight(0.5, 101, 100) == 100);
assertTrue(ImageUtil.getHeight(0.5, 149, 100) == 100);
assertTrue(ImageUtil.getHeight(0.5, 200, 300) == 300);
assertTrue(ImageUtil.getHeight(0.5, 11, 10) == 10);
assertTrue(ImageUtil.getHeight(2, 1000, 100) == 100);
assertTrue(ImageUtil.getHeight(2, 100, 1000) == 50);
assertTrue(ImageUtil.getHeight(2, 100, 99) == 50);
assertTrue(ImageUtil.getHeight(2, 100, 50) == 50);
assertTrue(ImageUtil.getHeight(2, 100, 49) == 49);
assertTrue(ImageUtil.getHeight(2, 100, 98) == 50);
assertTrue(ImageUtil.getHeight(2, 100, 100) == 50);
assertTrue(ImageUtil.getHeight(2, 99, 100) == 49);
assertTrue(ImageUtil.getHeight(2, 77, 77) == 38);
assertTrue(ImageUtil.getHeight(2, 101, 100) == 50);
assertTrue(ImageUtil.getHeight(2, 149, 100) == 74);
assertTrue(ImageUtil.getHeight(2, 200, 300) == 100);
assertTrue(ImageUtil.getHeight(2, 11, 10) == 5);
}
}
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