HTML canvas clip() Method - Javascript Canvas Reference

Javascript examples for Canvas Reference:clip

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Description

The clip() method clips a region from the canvas.

JavaScript syntax 

context.clip();

Example

Clip of a rectangular region of 200*120 pixels from the canvas.

Only the part of the red rectangle that is inside the clipped area is visible:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas2" width="300" height="150" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>
var c = document.getElementById("myCanvas2");
var ctx = c.getContext("2d");
// Clip a rectangular area
ctx.rect(50, 20, 200, 120);/*from   w w w  . ja v  a 2  s  .c o m*/
ctx.stroke();
ctx.clip();
// Draw red rectangle after clip()
ctx.fillStyle = "red";
ctx.fillRect(0, 0, 150, 100);

</script>

</body>
</html>

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