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CanvasRenderingContext2D 性能问题 #2459

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deyihu opened this issue Nov 6, 2024 · 0 comments
Open

CanvasRenderingContext2D 性能问题 #2459

deyihu opened this issue Nov 6, 2024 · 0 comments
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enhancement

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@deyihu
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deyihu commented Nov 6, 2024

maptalks's version and what browser you use?

Issue description

原生的CanvasRenderingContext2D的所有属性都进行了 get set处理了，导致CanvasRenderingContext2D的属性读取和写入都会有性能损失

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这个应该可以优化，通过手动mock一个虚拟CanvasRenderingContext2D，应该可以提高CanvasRenderingContext2D的性能

Please provide a reproduction URL (on any jsfiddle like site)
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