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Fixed test cases that failed on JDK 1.6.0_17 (something's up with the JPEG encoding/default BG color of transparent images...).

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This commit is contained in:
Harald Kuhr 2010-02-07 18:47:59 +01:00
parent 3d4d60c664
commit d2742b36de
1 changed files with 59 additions and 2 deletions
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61
twelvemonkeys-servlet/src/test/java/com/twelvemonkeys/servlet/image/ImageServletResponseImplTestCase.java
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@ -1,5 +1,6 @@
package com.twelvemonkeys.servlet.image;
import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.io.FileUtil;
import com.twelvemonkeys.servlet.OutputStreamAdapter;
import org.jmock.Mock;
@ -165,11 +166,31 @@ public class ImageServletResponseImplTestCase extends MockObjectTestCase {
assertTrue("Content has no data", out.size() > 0);
// Test that image data is still readable
/*
File tempFile = File.createTempFile("imageservlet-test-", ".jpeg");
FileOutputStream stream = new FileOutputStream(tempFile);
out.writeTo(stream);
stream.close();
System.err.println("open " + tempFile);
*/
BufferedImage outImage = ImageIO.read(new ByteArrayInputStream(out.toByteArray()));
assertNotNull(outImage);
assertEquals(IMAGE_DIMENSION_PNG.width, outImage.getWidth());
assertEquals(IMAGE_DIMENSION_PNG.height, outImage.getHeight());
assertSimilarImage(ImageIO.read(mContext.getResource("/" + IMAGE_NAME_PNG)), outImage, 96f);
BufferedImage image = flatten(ImageIO.read(mContext.getResource("/" + IMAGE_NAME_PNG)), Color.BLACK);
/*
tempFile = File.createTempFile("imageservlet-test-", ".png");
stream = new FileOutputStream(tempFile);
ImageIO.write(image, "PNG", stream);
stream.close();
System.err.println("open " + tempFile);
*/
// JPEG compression trashes the image completely...
assertSimilarImage(image, outImage, 144f);
}
@Test
@ -200,11 +221,46 @@ public class ImageServletResponseImplTestCase extends MockObjectTestCase {
assertTrue("Content has no data", out.size() > 0);
// Test that image data is still readable
/*
File tempFile = File.createTempFile("imageservlet-test-", ".jpeg");
FileOutputStream stream = new FileOutputStream(tempFile);
out.writeTo(stream);
stream.close();
System.err.println("open " + tempFile);
*/
BufferedImage outImage = ImageIO.read(new ByteArrayInputStream(out.toByteArray()));
assertNotNull(outImage);
assertEquals(IMAGE_DIMENSION_GIF.width, outImage.getWidth());
assertEquals(IMAGE_DIMENSION_GIF.height, outImage.getHeight());
assertSimilarImage(ImageIO.read(mContext.getResource("/" + IMAGE_NAME_GIF)), outImage, 96f);
BufferedImage image = flatten(ImageIO.read(mContext.getResource("/" + IMAGE_NAME_GIF)), Color.WHITE);
/*
tempFile = File.createTempFile("imageservlet-test-", ".png");
stream = new FileOutputStream(tempFile);
ImageIO.write(image, "PNG", stream);
stream.close();
System.err.println("open " + tempFile);
*/
assertSimilarImage(image, outImage, 96f);
}
private static BufferedImage flatten(final BufferedImage pImage, final Color pBackgroundColor) {
BufferedImage image = ImageUtil.toBuffered(pImage, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = image.createGraphics();
try {
g.setComposite(AlphaComposite.DstOver);
g.setColor(pBackgroundColor);
g.fillRect(0, 0, pImage.getWidth(), pImage.getHeight());
}
finally {
g.dispose();
}
return image;
}
/**
@ -261,6 +317,7 @@ public class ImageServletResponseImplTestCase extends MockObjectTestCase {
assertNotNull(outImage);
assertEquals(image.getWidth(), outImage.getWidth());
assertEquals(image.getHeight(), outImage.getHeight());
assertSimilarImage(image, outImage, 0);
}
// TODO: Test with AOI attributes (rename thes to source-region?)