save
Summary
Saves the current state of the context. Use the restore() method to retrieve the saved state.
Method of apis/canvas/CanvasRenderingContext2Dapis/canvas/CanvasRenderingContext2D
Syntax
var object = object.save();
Return Value
Returns an object of type DOM NodeDOM Node
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Examples
<canvas id="myCanvas" width="300" height="150" style="border:1px solid blue;"></canvas>
<p>. . .</p>
<script>
var can=document.getElementById("myCanvas");
var ctxt=can.getContext("2d");
ctxt.rect(50,50,125,75);
ctxt.stroke();
ctxt.save();
ctxt.restore();
</script>
Notes
The save and restore methods preserve and restore the state of a context, but not specific paths or graphics. The following attributes and states are affected:
- The current transformation matrix
- The current clipping region
- The current values of the following attributes:
- strokeStyle
- fillStyle
- globalAlpha
- lineWidth
- lineCap
- lineJoin
- miterLimit
Related specifications
- W3C HTML Canvas 2D Specification
- W3C Candidate Recommendation
Attributions
Microsoft Developer Network: Windows Internet Explorer API reference Article