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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* 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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*/
import java.awt.BasicStroke;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.image.BufferedImage;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
/**
* @ test
* @ bug 7018932
* @ summary fix LoopPipe . getStrokedSpans ( ) performance ( clipping enabled by Marlin renderer )
* @ run main / othervm / timeout = 10 - Dsun . java2d . renderer = sun . java2d . marlin . DMarlinRenderingEngine StrokedLinePerf
*/
public class StrokedLinePerf {
public static void main(String[] unused) {
BufferedImage bi = new BufferedImage(400 , 400 , TYPE_INT_ARGB_PRE);
test(bi, true );
test(bi, false );
}
private static void test(BufferedImage bi, boolean useAA) {
final long start = System.nanoTime();
final Graphics2D g2d = bi.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
(useAA) ? RenderingHints.VALUE_ANTIALIAS_ON
: RenderingHints.VALUE_ANTIALIAS_OFF);
Stroke stroke = new BasicStroke(2 .0 f, 1 , 0 , 1 .0 f, new float []{0 .0 f, 4 .0 f}, 0 .0 f);
g2d.setStroke(stroke);
//Large values to trigger crash / infinite loop.
g2d.draw(new Line2D.Double (4 .0 , 1 .794369841 E9, 567 .0 , -2 .147483648 E9));
System.out.println("StrokedLinePerf(" + useAA + "): Test duration= " + (1 e-6 * (System.nanoTime() - start)) + " ms." );
g2d.dispose();
}
}
Messung V0.5 in Prozent C=96 H=96 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
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