wpf image控件大图(500M)显示特别慢,有什么优化的方法嘛？ #64
designerlast
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WPF 开发
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ROI 是什么，Region Of Interest 吗？ |
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是的，在图片上显示的一般 |
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你或许可以考虑用gdi直接绘制在图片上，而不是向界面添加额外的几何控件 |
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一般会先在后台计算一张小的缩略图, 符合 image 控件实际显示大小的图片 |
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1 reply
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image 控件会原封不动的将你给的图片画到屏幕上, 500 MB 的大图可想而知 |
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还有path渲染的roi也占了一部分时间
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