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/* createCompatibleDestImage.java -- some checks for the
createCompatibleDestImage() method of the AffineTransformOp class.
Copyright (C) 2006 Francis Kung <fkung@redhat.com>
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK1.2
package gnu.testlet.java.awt.image.AffineTransformOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.color.ColorSpace;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.ComponentColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DirectColorModel;
import java.awt.image.PixelInterleavedSampleModel;
import java.awt.image.SinglePixelPackedSampleModel;
/**
* Checks for the createCompatibleDestImage method in the
* {@link AffineTransformOp} class.
*/
public class createCompatibleDestImage implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
simpleTest(harness);
colorModelTest(harness);
}
private void simpleTest(TestHarness harness)
{
harness.checkPoint("createCompatibleDestImage");
// Simple test
AffineTransform xform = new AffineTransform();
AffineTransformOp op = new AffineTransformOp(xform, AffineTransformOp.TYPE_BICUBIC);
BufferedImage img = new BufferedImage(25, 40, BufferedImage.TYPE_INT_RGB);
BufferedImage dest = op.createCompatibleDestImage(img, img.getColorModel());
harness.check(dest.getHeight(), 40);
harness.check(dest.getWidth(), 25);
harness.check(dest.getColorModel(), img.getColorModel());
// Try a different colour model
img = new BufferedImage(25, 40, BufferedImage.TYPE_INT_RGB);
DirectColorModel cm = new DirectColorModel(16, 0x0f00, 0x00f0, 0x000f);
dest = op.createCompatibleDestImage(img, cm);
harness.check(dest.getHeight(), 40);
harness.check(dest.getWidth(), 25);
harness.check(dest.getColorModel(), cm);
}
// Test all the default color models
private void colorModelTest(TestHarness harness)
{
AffineTransform xform = new AffineTransform();
AffineTransformOp op = new AffineTransformOp(xform, AffineTransformOp.TYPE_BICUBIC);
int[] types = {BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_INT_ARGB,
BufferedImage.TYPE_INT_ARGB_PRE,
BufferedImage.TYPE_3BYTE_BGR,
BufferedImage.TYPE_4BYTE_ABGR,
BufferedImage.TYPE_4BYTE_ABGR_PRE,
BufferedImage.TYPE_USHORT_565_RGB,
BufferedImage.TYPE_USHORT_555_RGB,
BufferedImage.TYPE_BYTE_GRAY,
BufferedImage.TYPE_USHORT_GRAY};
// Skipped types that are not implemented yet:
// TYPE_CUSTOM, TYPE_INT_BGR, TYPE_BYTE_BINARY, TYPE_BYTE_INDEXED
for (int i = 0; i < types.length; i++)
{
int type = types[i];
harness.checkPoint("type: " + type);
BufferedImage img = new BufferedImage(25, 40, type);
BufferedImage dest = op.createCompatibleDestImage(img, null);
dest = op.createCompatibleDestImage(img, null);
harness.check(dest.getColorModel().isCompatibleSampleModel(dest.getSampleModel()));
// This ensures that we have the same defaults as the reference implementation
switch (type)
{
case BufferedImage.TYPE_INT_RGB:
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
case BufferedImage.TYPE_3BYTE_BGR:
case BufferedImage.TYPE_USHORT_565_RGB:
case BufferedImage.TYPE_USHORT_555_RGB:
case BufferedImage.TYPE_BYTE_GRAY:
case BufferedImage.TYPE_USHORT_GRAY:
if (type == BufferedImage.TYPE_INT_ARGB_PRE)
harness.check(dest.getType(), BufferedImage.TYPE_INT_ARGB_PRE);
else
harness.check(dest.getType(), BufferedImage.TYPE_INT_ARGB);
harness.check(dest.getColorModel() instanceof DirectColorModel);
harness.check(dest.getSampleModel() instanceof SinglePixelPackedSampleModel);
harness.check(dest.getColorModel().getPixelSize(), 32);
harness.check(dest.getColorModel().getNumComponents(), 4);
harness.check(dest.getColorModel().getTransparency(), ColorModel.TRANSLUCENT);
harness.check(dest.getColorModel().hasAlpha(), true);
harness.check(dest.getColorModel().getTransferType(), DataBuffer.TYPE_INT);
harness.check(dest.getColorModel().isAlphaPremultiplied(), (type == BufferedImage.TYPE_INT_ARGB_PRE));
harness.check(dest.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
harness.check(dest.getRaster().getNumBands(), 4);
harness.check(dest.getRaster().getNumDataElements(), 1);
break;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
harness.check(dest.getColorModel() instanceof ComponentColorModel);
harness.check(dest.getSampleModel() instanceof PixelInterleavedSampleModel);
harness.check(dest.getColorModel().getPixelSize(), 32);
harness.check(dest.getColorModel().getNumComponents(), 4);
harness.check(dest.getColorModel().getTransparency(), ColorModel.TRANSLUCENT);
harness.check(dest.getColorModel().hasAlpha(), true);
harness.check(dest.getColorModel().getTransferType(), DataBuffer.TYPE_BYTE);
harness.check(dest.getColorModel().isAlphaPremultiplied(), (type == BufferedImage.TYPE_4BYTE_ABGR_PRE));
harness.check(dest.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
harness.check(dest.getRaster().getNumBands(), 4);
harness.check(dest.getRaster().getNumDataElements(), 4);
break;
}
}
}
}
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