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* under the terms of the GNU General Public License version 2 only , as
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*
* This code 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
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ bug 6556332 8011992 8012112
* @ summary Test verifies that on - demnad loading of medialib library does
* not break imageing ops based on this library .
* @ modules java . desktop / sun . awt . image
* @ run main MlibOpsTest
* @ run main / othervm / policy = mlib . security . policy MlibOpsTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RadialGradientPaint;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ByteLookupTable;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;
import java.awt.image.LookupOp;
import java.util.Arrays;
import sun.awt.image.ImagingLib;
public class MlibOpsTest {
public static void main(String[] args) {
System.out.println("AffineTransformOp:" );
BufferedImageOp op = getAffineTransformOp();
doTest(op);
System.out.println("ConvolveOp:" );
op = getConvolveOp();
doTest(op);
System.out.println("LookupOp:" );
op = getLookupOp();
doTest(op);
}
public static void doTest(BufferedImageOp op) {
BufferedImage src = createSrcImage();
BufferedImage dst = createImage();
BufferedImage ret = null ;
try {
ret = ImagingLib.filter(op, src, dst);
} catch (Exception e) {
throw new RuntimeException("Test FAILED." , e);
}
if (ret == null ) {
throw new RuntimeException("Test FAILED: null output" );
}
System.out.println("ret: " + ret);
System.out.println("Test PASSED for " + op.getClass().getName());
}
private static BufferedImageOp getAffineTransformOp() {
AffineTransform at = new AffineTransform();
return new AffineTransformOp(at,
AffineTransformOp.TYPE_BICUBIC);
}
private static BufferedImageOp getConvolveOp() {
int kw = 3 ;
int kh = 3 ;
int size = kw * kh;
float [] kdata = new float [size];
Arrays.fill(kdata, 1 .0 f / size);
Kernel k = new Kernel(kw, kh, kdata);
return new ConvolveOp(k);
}
private static BufferedImageOp getLookupOp() {
byte [] inv = new byte [256 ];
for (int i = 0 ; i < 256 ; i++) {
inv[i] = (byte )(255 - i);
}
ByteLookupTable table = new ByteLookupTable(0 , inv);
return new LookupOp(table, null );
}
private static int w = 100 ;
private static int h = 100 ;
private static BufferedImage createImage() {
return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
}
private static BufferedImage createSrcImage() {
BufferedImage img = createImage();
Graphics2D g = img.createGraphics();
Color[] colors = { Color.red, Color.green, Color.blue };
float [] dist = {0 .0 f, 0 .5 f, 1 .0 f };
Point2D center = new Point2D.Float (0 .5 f * w, 0 .5 f * h);
RadialGradientPaint p =
new RadialGradientPaint(center, 0 .5 f * w, dist, colors);
g.setPaint(p);
g.fillRect(0 , 0 , w, h);
g.dispose();
return img;
}
}
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