@Test
public void testBitmask() {
assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus());
ImageWorker worker = new ImageWorker(sstImage);
worker.forceBitmaskIndexColorModel();
assertEquals(1, worker.getNumBands());
assertEquals(-1, worker.getTransparentPixel());
assertTrue(worker.isBytes());
assertFalse(worker.isBinary());
assertTrue(worker.isIndexed());
assertTrue(worker.isColorSpaceRGB());
assertFalse(worker.isColorSpaceGRAYScale());
assertFalse(worker.isTranslucent());
final BufferedImage directRGB = getSyntheticRGB(true);
worker = new ImageWorker(directRGB);
worker.forceBitmaskIndexColorModel();
assertEquals(1, worker.getNumBands());
assertEquals(-1, worker.getTransparentPixel());
assertTrue(worker.isBytes());
assertFalse(worker.isBinary());
assertTrue(worker.isIndexed());
assertTrue(worker.isColorSpaceRGB());
assertFalse(worker.isColorSpaceGRAYScale());
assertFalse(worker.isTranslucent());
final BufferedImage componentRGB = getSyntheticRGB(false);
worker = new ImageWorker(componentRGB);
worker.forceBitmaskIndexColorModel();
assertEquals(1, worker.getNumBands());
assertEquals(-1, worker.getTransparentPixel());
assertTrue(worker.isBytes());
assertFalse(worker.isBinary());
assertTrue(worker.isIndexed());
assertTrue(worker.isColorSpaceRGB());
assertFalse(worker.isColorSpaceGRAYScale());
assertFalse(worker.isTranslucent());
final BufferedImage translucentIndexed = getSyntheticTranslucentIndexed();
worker = new ImageWorker(translucentIndexed);
assertTrue(worker.isBytes());
assertFalse(worker.isBinary());
assertTrue(worker.isIndexed());
assertTrue(worker.isColorSpaceRGB());
assertTrue(worker.isTranslucent());
worker.forceIndexColorModelForGIF(true);
assertEquals(1, worker.getNumBands());
assertEquals(0, worker.getTransparentPixel());
assertTrue(worker.isBytes());
assertFalse(worker.isBinary());
assertTrue(worker.isIndexed());
assertTrue(worker.isColorSpaceRGB());
assertFalse(worker.isTranslucent());
}
@Test
public void testYCbCr() {
assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus());
// check the presence of the PYCC.pf file that contains the profile for the YCbCr color space
if (ImageWorker.CS_PYCC == null) {
System.out.println(
"testYCbCr disabled since we are unable to locate the YCbCr color profile");
return;
}
// RGB component color model
ImageWorker worker = new ImageWorker(getSyntheticRGB(false));
RenderedImage image = worker.getRenderedImage();
assertTrue(image.getColorModel() instanceof ComponentColorModel);
assertTrue(!image.getColorModel().hasAlpha());
int sample = image.getTile(0, 0).getSample(0, 0, 2);
assertEquals(0, sample);
assertFalse(worker.isColorSpaceYCbCr());
worker.forceColorSpaceYCbCr();
assertTrue(worker.isColorSpaceYCbCr());
worker.forceColorSpaceRGB();
assertFalse(worker.isColorSpaceYCbCr());
assertTrue(worker.isColorSpaceRGB());
// RGB Palette
worker.forceBitmaskIndexColorModel();
image = worker.getRenderedImage();
assertTrue(image.getColorModel() instanceof IndexColorModel);
assertTrue(!image.getColorModel().hasAlpha());
assertFalse(worker.isColorSpaceYCbCr());
worker.forceColorSpaceYCbCr();
assertTrue(worker.isColorSpaceYCbCr());
worker.forceColorSpaceRGB();
assertFalse(worker.isColorSpaceYCbCr());
assertTrue(worker.isColorSpaceRGB());
// RGB DirectColorModel
worker = new ImageWorker(getSyntheticRGB(true));
image = worker.getRenderedImage();
assertTrue(image.getColorModel() instanceof DirectColorModel);
assertTrue(!image.getColorModel().hasAlpha());
sample = image.getTile(0, 0).getSample(0, 0, 2);
assertEquals(0, sample);
assertFalse(worker.isColorSpaceYCbCr());
worker.forceColorSpaceYCbCr();
assertTrue(worker.isColorSpaceYCbCr());
worker.forceColorSpaceRGB();
assertFalse(worker.isColorSpaceYCbCr());
assertTrue(worker.isColorSpaceRGB());
}
