HTML5画布和缩放
[英]HTML5 Canvas and scaling
问题描述
After I draw a line on canvas I scale document (with CTRL+Wheel), as it turned out, a line is raster and it looks pretty ugly after scaling. 
在canvas上绘制一条线后，我缩放文档（使用CTRL + Wheel），结果显示，一条线是光栅，缩放后看起来很难看。 How can I solve the issue? 我该如何解决这个问题？ Is there something better then redrawing each time when document is scaled? 每次缩放文档时，有没有比重绘更好的东西？
Thank you in advance! 先感谢您！
1 个解决方案
解决方案1
3 已采纳 2012-12-12 09:13:56
If you can only use the canvas element, there is no other way to display a sharp line, than redrawing it when zooming. 如果只能使用canvas元素，则没有其他方法可以显示锐利线，而不是在缩放时重绘它。 This is because the canvas doesn't support vector graphics. 这是因为画布不支持矢量图形。
Svg could be a option, if you're able to use a different technology. 如果你能够使用不同的技术， Svg可能是一个选择。
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