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[英]Javascript canvas stroke opacity not applied to each lineto but rather continually over lines
[英]Scaling or triming lines (stroke) on javascript canvas
您可以像這樣將繪圖縮放到整個畫布寬度:
var drawingWidth = maxX - minX
。 var scale = canvas.width / drawingWidth
。 context.scale(scale,scale)
context.scale(-scale,-scale)
-scale,-scale context.scale(-scale,-scale)
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