java – 使用TexturePaint的图标抛出InternalError:Surface不可缓存
发布时间:2020-05-28 15:52:47 所属栏目:Java 来源:互联网
导读:我有一个自定义图标,它使用TexturePaint作为绘图,并在Graphics2D对象上调用fillPolygon. 这段代码在JDK6和JDK7上运行良好,但在64位Linux的JDK8下失败(在64位Linux上尝试了最新的JDK1.8).在Windows上,这适用于JDK8. 用于重现问题的JDK的java -version命令的输
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我有一个自定义图标,它使用TexturePaint作为绘图,并在Graphics2D对象上调用fillPolygon. 这段代码在JDK6和JDK7上运行良好,但在64位Linux的JDK8下失败(在64位Linux上尝试了最新的JDK1.8).在Windows上,这适用于JDK8. 用于重现问题的JDK的java -version命令的输出. java version "1.8.0_25" Java(TM) SE Runtime Environment (build 1.8.0_25-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02,mixed mode) 重现问题的代码: import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
public class TexturePaintIconTest {
private static class CustomIcon implements Icon{
private static final int[] sXArray = new int[]{2,5,7,12,4,1,2};
private static final int[] sYArray = new int[]{4,2,11,8,4};
private static final int sNumberOfPoints = 9;
@Override
public void paintIcon(Component c,Graphics g,int x,int y) {
g.translate(x,y);
Graphics2D g2d = (Graphics2D) g;
Color fillColor = new Color( 140,25,35);
g2d.setPaint(createPatternPaint(fillColor));
g2d.fillPolygon(sXArray,sYArray,sNumberOfPoints);
g.translate(-x,-y);
}
private Paint createPatternPaint(Color color ){
int[] colors = new int[]{color.getRGB(),0};
IndexColorModel colorModel = new IndexColorModel(1,colors,true,-1,DataBuffer.TYPE_BYTE);
BufferedImage image = new BufferedImage(2,BufferedImage.TYPE_BYTE_INDEXED,colorModel);
DataBufferByte dataBuffer = (DataBufferByte) image.getRaster().getDataBuffer();
byte[] data = dataBuffer.getData();
data[0] = 0;
data[1] = 1;
data[2] = 1;
data[3] = 0;
return new TexturePaint(image,new Rectangle(2,2));
}
@Override
public int getIconWidth() {
return 16;
}
@Override
public int getIconHeight() {
return 16;
}
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
JFrame testFrame = new JFrame("TestFrame");
JLabel label = new JLabel("Label with icon",new CustomIcon(),SwingConstants.LEFT);
testFrame.add(label);
testFrame.pack();
testFrame.setDefaultCloSEOperation(WindowConstants.EXIT_ON_CLOSE);
testFrame.setVisible(true);
}
});
}
}
运行main方法会导致以下错误 Exception in thread "AWT-EventQueue-0" java.lang.InternalError: Surface not cachable
at sun.java2d.xr.XRPaints$XRTexture.getAccSrcSurface(XRPaints.java:211)
at sun.java2d.xr.XRPaints$XRTexture.isPaintValid(XRPaints.java:224)
at sun.java2d.xr.XRPaints.isValid(XRPaints.java:75)
at sun.java2d.xr.XRSurfaceData.getMaskFill(XRSurfaceData.java:205)
at sun.java2d.SurfaceData.validatePipe(SurfaceData.java:675)
at sun.java2d.xr.XRSurfaceData.validatePipe(XRSurfaceData.java:123)
at sun.java2d.SunGraphics2D.validatePipe(SunGraphics2D.java:446)
at sun.java2d.pipe.ValidatePipe.validate(ValidatePipe.java:55)
at sun.java2d.pipe.ValidatePipe.fillPolygon(ValidatePipe.java:147)
at sun.java2d.SunGraphics2D.fillPolygon(SunGraphics2D.java:2389)
at com.luciad.internal.lucy.map.TexturePaintIconTest$CustomIcon.paintIcon(TexturePaintIconTest.java:22)
我已经在Java bug数据库(official one和openjdk one)中搜索过,但没有找到可以解释这个问题的错误报告.我的自定义图标出错了,还是偶然发现了JDK错误? 解决方法如果相同的代码工作方式不同,具体取决于JVM必须是一个错误,因为它是代码中唯一特定于操作系统的部分(编辑:安卓应用网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |
