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/* createCompatibleDestImage.java -- some checks for the
createCompatibleDestImage() method of the LookupOp 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.LookupOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.BufferedImage;
import java.awt.image.ByteLookupTable;
import java.awt.image.DataBuffer;
import java.awt.image.DirectColorModel;
import java.awt.image.LookupOp;
/**
* Checks for the createCompatibleDestImage method in the
* {@link LookupOp} 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
byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
ByteLookupTable t = new ByteLookupTable(0, bytes);
LookupOp op = new LookupOp(t, null);
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)
{
byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
ByteLookupTable t = new ByteLookupTable(0, bytes);
LookupOp op = new LookupOp(t, null);
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);
// Unlike most Ops, this one creates a clone of the original image
// Except there's a strange exception for TYPE_USHORT_GRAY ???
if (type == BufferedImage.TYPE_USHORT_GRAY)
{
harness.check(dest.getColorModel().getPixelSize(), 8);
harness.check(dest.getColorModel().getTransferType(), DataBuffer.TYPE_BYTE);
}
else
{
harness.check(dest.getColorModel().getPixelSize(),
img.getColorModel().getPixelSize());
harness.check(dest.getColorModel().getTransferType(), img.getColorModel().getTransferType());
}
harness.check(dest.getColorModel().getClass() == img.getColorModel().getClass());
harness.check(dest.getSampleModel().getClass() == img.getSampleModel().getClass());
harness.check(dest.getColorModel().getNumComponents(), img.getColorModel().getNumComponents());
harness.check(dest.getColorModel().getTransparency(), img.getColorModel().getTransparency());
harness.check(dest.getColorModel().hasAlpha(), img.getColorModel().hasAlpha());
harness.check(dest.getColorModel().isAlphaPremultiplied(), img.getColorModel().isAlphaPremultiplied());
harness.check(dest.getColorModel().getColorSpace().getType(), img.getColorModel().getColorSpace().getType());
harness.check(dest.getRaster().getNumBands(), img.getRaster().getNumBands());
harness.check(dest.getRaster().getNumDataElements(), img.getRaster().getNumDataElements());
}
}
}
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