/* filterImage.java -- some checks for the filter(Image) method of the
ColorConvertOp 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.ColorConvertOp;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.Graphics2D;
import java.awt.color.ColorSpace;
import java.awt.color.ICC_Profile;
import java.awt.geom.Line2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
/**
* Checks the filter(BufferedImage) method in the {@link ColorConvertOp} class.
*/
public class filterImage implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness);
test3(harness);
test4(harness);
}
private void test1(TestHarness harness)
{
harness.checkPoint("filter(BufferedImage) from ColorConvertOp(RenderingHints)");
// Create an image to work on
BufferedImage img = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_GRAY);
Graphics2D g = (Graphics2D)img.getGraphics();
g.draw(new Line2D.Double(0, 0, 20, 20));
ColorConvertOp op = new ColorConvertOp(null);
// Src and dst images can be the same (unlike some other Ops)
try
{
op.filter(img, img);
harness.check(true);
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
// Src and dst are different sizes (not allowed, unlike some other Ops)
BufferedImage dst = new BufferedImage(30, 40, BufferedImage.TYPE_INT_RGB);
try
{
op.filter(img, dst);
harness.check(false);
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
// Dst cannot be null for this ColorConvertOp
try
{
op.filter(img, null);
harness.check(false);
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
// Can I check that the actual filter operation happened properly?
}
private void test2(TestHarness harness)
{
harness.checkPoint("filter(BufferedImage) from ColorConvertOp(ColorSpace, RenderingHints)");
// Create an image to work on
BufferedImage img = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_GRAY);
Graphics2D g = (Graphics2D)img.getGraphics();
g.draw(new Line2D.Double(0, 0, 20, 20));
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
ColorConvertOp op = new ColorConvertOp(cs, null);
// Check null destination
try
{
BufferedImage dst = op.filter(img, null);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
// Any other checks to run? Show the data was filtered properly?
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
// Check non-null destination
try
{
BufferedImage dst = new BufferedImage(20, 20, BufferedImage.TYPE_INT_RGB);
dst = op.filter(img, dst);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
// Any other checks to run?
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
// Can we introduce an alpha?
try
{
BufferedImage dst = new BufferedImage(20, 20, BufferedImage.TYPE_INT_ARGB);
dst = op.filter(img, dst);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
// Any other checks to run?
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
// Different destination type: this should end up as GRAY, via RGB
// (but how can I test the intermediate step?)
try
{
BufferedImage dst = new BufferedImage(20, 20, BufferedImage.TYPE_BYTE_GRAY);
dst = op.filter(img, dst);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_GRAY);
// Any other checks to run?
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
}
private void test3(TestHarness harness)
{
harness.checkPoint("filter(BufferedImage) from ColorConvertOp(ColorSpace, ColorSpace, RenderingHints)");
// Create an image to work on
BufferedImage img = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_GRAY);
Graphics2D g = (Graphics2D)img.getGraphics();
g.draw(new Line2D.Double(0, 0, 20, 20));
ColorSpace cs1 = ColorSpace.getInstance(ColorSpace.CS_CIEXYZ);
//ColorSpace cs2 = ColorSpace.getInstance(ColorSpace.CS_PYCC);
// PYCC is not implemented
ColorSpace cs2 = ColorSpace.getInstance(ColorSpace.CS_sRGB);
ColorConvertOp op = new ColorConvertOp(cs1, cs2, null);
// Simpler tests (ie, src != dest) are skipped, assume they work here if
// they worked earlier
try
{
BufferedImage dst = op.filter(img, null);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
// PYCC would have been ColorSpace.TYPE_3CLR
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
try
{
BufferedImage dst = new BufferedImage(20, 20, BufferedImage.TYPE_INT_ARGB_PRE);
op.filter(img, dst);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
}
catch (IllegalArgumentException e)
{
harness.check(true);
}
// Can I check that the actual filter operation happened properly?
}
private void test4(TestHarness harness)
{
harness.checkPoint("filter(BufferedImage) from ColorConvertOp(ICC_Profile[], RenderingHints)");
// Create an image to work on
BufferedImage img = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_GRAY);
Graphics2D g = (Graphics2D)img.getGraphics();
g.draw(new Line2D.Double(0, 0, 20, 20));
ICC_Profile[] profile = new ICC_Profile[] {ICC_Profile.getInstance(ColorSpace.CS_LINEAR_RGB),
ICC_Profile.getInstance(ColorSpace.CS_CIEXYZ),
ICC_Profile.getInstance(ColorSpace.CS_sRGB)};
ColorConvertOp op = new ColorConvertOp(profile, null);
try
{
BufferedImage dst = op.filter(img, null);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_RGB);
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
try
{
BufferedImage dst = new BufferedImage(20, 20, BufferedImage.TYPE_BYTE_GRAY);
dst = op.filter(img, dst);
harness.check(dst.getColorModel().getColorSpace().getType(), ColorSpace.TYPE_GRAY);
}
catch (IllegalArgumentException e)
{
harness.check(false);
}
// Can I check that the actual filter operation happened properly?
}
}