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解決錯誤 sun.java2d.loops.DrawGlyphList.DrawGlyphList(Native Method)解决办法

热度:465   发布时间:2016-04-24 15:23:47.0
解決錯誤 sun.java2d.loops.DrawGlyphList.DrawGlyphList(Native Method)
單對此調用Graphics2D畫圖時就會出現一下錯誤,請各位幫忙解決

Exception   in   thread   "AWT-EventQueue-0 "   java.lang.NullPointerException
at   sun.java2d.loops.DrawGlyphList.DrawGlyphList(Native   Method)
at   sun.java2d.pipe.SolidTextRenderer.drawGlyphList(SolidTextRenderer.java:36)
at   sun.java2d.pipe.GlyphListPipe.drawString(GlyphListPipe.java:53)
at   sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2642)
at   ns.client.print.PreViewPanel.drawFrame(PreViewPanel.java:787)
at   ns.client.print.PreViewPanel.drawPage(PreViewPanel.java:119)
at   ns.client.print.PreViewPanel.print(PreViewPanel.java:1063)
at   ns.client.print.PrintPreviewCanvas.paintComponent(PrintPreviewCanvas.java:57)
at   javax.swing.JComponent.paint(JComponent.java:1005)
at   javax.swing.JComponent.paintChildren(JComponent.java:842)
at   javax.swing.JComponent.paint(JComponent.java:1014)
at   javax.swing.JComponent.paintChildren(JComponent.java:842)
at   javax.swing.JComponent.paint(JComponent.java:1014)
at   javax.swing.JComponent.paintChildren(JComponent.java:842)
at   javax.swing.JComponent.paint(JComponent.java:1014)
at   javax.swing.JLayeredPane.paint(JLayeredPane.java:559)
at   javax.swing.JComponent.paintChildren(JComponent.java:842)
at   javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4970)
at   javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4916)
at   javax.swing.JComponent.paint(JComponent.java:995)
at   java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:21)
at   sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:60)
at   sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:97)
at   java.awt.Container.paint(Container.java:1709)
at   sun.awt.RepaintArea.paintComponent(RepaintArea.java:248)
at   sun.awt.RepaintArea.paint(RepaintArea.java:224)
at   sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:254)
at   java.awt.Component.dispatchEventImpl(Component.java:4031)
at   java.awt.Container.dispatchEventImpl(Container.java:2024)
at   java.awt.Window.dispatchEventImpl(Window.java:1774)
at   java.awt.Component.dispatchEvent(Component.java:3803)
at   java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at   java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at   java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at   java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at   java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at   java.awt.EventDispatchThread.run(EventDispatchThread.java:110)


------解决方案--------------------
估计在自己的线程里面调用绘图方法。推荐swing 线程
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