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| package photospace.graphics; |
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| import java.awt.*; |
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| import java.awt.image.*; |
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| import java.io.*; |
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| import org.apache.commons.logging.*; |
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| import junit.framework.*; |
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| |
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| public class SamplerTest |
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| extends TestCase |
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| { |
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| private static final Log log = LogFactory.getLog(SamplerTest.class); |
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| |
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| public void testRotate() throws Exception
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| { |
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| File file = new File(System.getProperty("project.root"), "build/test/exif-nordf.jpg");
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| BufferedImage original = Sampler.read(file);
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| BufferedImage rotated = Sampler.rotate(original, 90);
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| assertEquals(original.getWidth(), rotated.getHeight(), 1);
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| assertEquals(original.getHeight(), rotated.getWidth(), 1);
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| write("rotated-90.jpg", rotated);
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| } |
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| public void testScaleToFit() throws Exception
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| { |
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| File file = new File(System.getProperty("project.root"), "build/test/exif-nordf.jpg");
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| BufferedImage original = Sampler.read(file);
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| assertNotNull(original);
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| Dimension max = new Dimension(200, 100);
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| Transform transform = new Transform(max, Transform.FIT);
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| BufferedImage scaled = Sampler.scale(original, transform);
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| assertEquals(original.getWidth()/(double) original.getHeight(),
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| scaled.getWidth()/(double) scaled.getHeight(), .1); |
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| assertTrue(max.getWidth() == scaled.getWidth() || max.getHeight() == scaled.getHeight());
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| assertTrue(max.getWidth() >= scaled.getWidth());
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| assertTrue(max.getHeight() >= scaled.getHeight());
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| write("scaleToFit.jpg", scaled);
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| } |
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| public void testScaleToFill() throws Exception
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| { |
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| File file = new File(System.getProperty("project.root"), "build/test/exif-nordf.jpg");
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| BufferedImage original = Sampler.read(file);
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| assertNotNull(original);
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| Dimension max = new Dimension(200, 100);
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| Transform transform = new Transform(max, Transform.FILL);
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| BufferedImage scaled = Sampler.scale(original, transform);
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| assertEquals(max.getWidth(), scaled.getWidth(), .1);
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| assertEquals(max.getHeight(), scaled.getHeight(), .1);
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| write("scaleToFill.jpg", scaled);
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| } |
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| public void testGetBytes() throws Exception
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| { |
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| File file = new File(System.getProperty("project.root"), "build/test/exif-nordf.jpg");
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| BufferedImage image = Sampler.read(file);
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| byte [] bytes = Sampler.getBytes(image);
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| assertNotNull(bytes);
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| assertTrue(bytes.length > 0);
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| } |
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| |
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| private void write(String filename, BufferedImage image) throws IOException
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| { |
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| Sampler.write(image, new File(System.getProperty("java.io.tmpdir"), filename));
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| } |
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| } |
