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22 package de.erichseifert.vectorgraphics2d;
23
24 import static org.junit.Assert.assertEquals;
25 import static org.junit.Assert.assertFalse;
26 import static org.junit.Assert.assertNotNull;
27 import static org.junit.Assert.assertTrue;
28
29 import java.awt.Image;
30 import java.awt.Toolkit;
31 import java.awt.image.BufferedImage;
32 import java.awt.image.FilteredImageSource;
33 import java.awt.image.RGBImageFilter;
34
35 import org.junit.Test;
36
37
38 public class GraphicsUtilsTest {
39
40 @Test
41 public void testToBufferedImage() {
42 Image[] images = {
43 new BufferedImage(320, 240, BufferedImage.TYPE_INT_ARGB),
44 new BufferedImage(320, 240, BufferedImage.TYPE_INT_RGB),
45 Toolkit.getDefaultToolkit().createImage(new FilteredImageSource(
46 new BufferedImage(320, 240, BufferedImage.TYPE_INT_RGB).getSource(),
47 new RGBImageFilter() {
48 @Override
49 public int filterRGB(int x, int y, int rgb) {
50 return rgb & 0xff;
51 }
52 }
53 ))
54 };
55
56 for (Image image : images) {
57 BufferedImage bimage = GraphicsUtils.toBufferedImage(image);
58 assertNotNull(bimage);
59 assertEquals(BufferedImage.class, bimage.getClass());
60 assertEquals(image.getWidth(null), bimage.getWidth());
61 assertEquals(image.getHeight(null), bimage.getHeight());
62 }
63 }
64
65 @Test
66 public void testHasAlpha() {
67 Image image;
68
69 image = new BufferedImage(320, 240, BufferedImage.TYPE_INT_ARGB);
70 assertTrue(GraphicsUtils.hasAlpha(image));
71
72 image = new BufferedImage(320, 240, BufferedImage.TYPE_INT_RGB);
73 assertFalse(GraphicsUtils.hasAlpha(image));
74 }
75
76 }