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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* 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.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.geom.Line2D;
import java.awt.image.BufferedImage;
import java.awt.image.IndexColorModel;
import java.awt.image.VolatileImage;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
/**
* @ test
* @ bug 4917097 8019816 8198411
* @ key headful
* @ summary 1 . 4 . 1 REGRESSION : BasicStroke Dashes don ' t show when scale * line width = 1 . 0
* @ run main / othervm - Dsun . java2d . uiScale = 1 DashScaleMinWidth
*/
public final class DashScaleMinWidth {
public static void main(final String[] args) {
BufferedImage img = new BufferedImage(200 , 40 , TYPE_INT_ARGB);
draw(img);
validate(img);
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice().getDefaultConfiguration();
if (gc.getColorModel() instanceof IndexColorModel) {
System.err.println("Skipping VolatileImage because of IndexColorModel" );
return ;
}
VolatileImage vi = gc.createCompatibleVolatileImage(200 , 40 );
BufferedImage snapshot;
int attempt = 0 ;
while (true ) {
if (++attempt > 10 ) {
throw new RuntimeException("Too many attempts: " + attempt);
}
vi.validate(gc);
draw(vi);
snapshot = vi.getSnapshot();
if (!vi.contentsLost()) {
break ;
}
}
validate(snapshot);
}
private static void draw(final Image img) {
float [] dashes = {200 .0 f, 200 .0 f};
BasicStroke bs = new BasicStroke(20 .0 f,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
1 .0 f,
dashes,
0 .0 f);
Graphics2D g = (Graphics2D) img.getGraphics();
g.setColor(Color.WHITE);
g.fillRect(0 , 0 , 200 , 40 );
Line2D line = new Line2D.Double (400 , 400 , 3600 , 400 );
g.setColor(Color.BLACK);
g.scale(0 .05 , 0 .05 );
g.setStroke(bs);
g.draw(line);
g.dispose();
}
private static void validate(final BufferedImage img) {
int white = Color.white.getRGB();
int point = img.getRGB(35 , 20 ); // point in the gap
if (point != white) {
throw new RuntimeException("Line should be dashed" );
}
}
}
Messung V0.5 in Prozent C=97 H=98 G=97
¤ Dauer der Verarbeitung: 0.8 Sekunden
¤
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