[英]Java Graphics2D drawRect throw "sg2d.loops" is null
java.lang.NullPointerException: Cannot read field "fillParallelogramLoop" because "sg2d.loops" is null
at java.desktop/sun.java2d.pipe.LoopPipe.fillParallelogram(LoopPipe.java:355)
at java.desktop/sun.java2d.pipe.PixelToParallelogramConverter.drawGeneralLine(PixelToParallelogramConverter.java:287)
at java.desktop/sun.java2d.pipe.PixelToParallelogramConverter.drawLine(PixelToParallelogramConverter.java:80)
at java.desktop/sun.java2d.pipe.PixelToParallelogramConverter.drawRect(PixelToParallelogramConverter.java:103)
at java.desktop/sun.java2d.SunGraphics2D.drawRect(SunGraphics2D.java:2410)
我刚刚使用 Graphics2D 在 BufferedImage 上绘制了一些东西。
我通过同步锁解决了这个问题。
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