CanvasRenderingContext2D: save() method
The
CanvasRenderingContext2D.save()
method of the Canvas 2D API saves the entire state of the canvas by pushing the current
state onto a stack.
The drawing state
The drawing state that gets saved onto a stack consists of:
- The current transformation matrix.
- The current clipping region.
- The current dash list.
-
The current values of the following attributes:
strokeStyle
,fillStyle
,globalAlpha
,lineWidth
,lineCap
,lineJoin
,miterLimit
,lineDashOffset
,shadowOffsetX
,shadowOffsetY
,shadowBlur
,shadowColor
,globalCompositeOperation
,font
,textAlign
,textBaseline
,direction
,imageSmoothingEnabled
.
Syntax
js
save()
Parameters
None.
Return value
None (undefined
).
Examples
Saving the drawing state
This example uses the save()
method to save the current state and
restore()
to restore it later, so that you are able to draw a rect with the
current state later.
HTML
html
<canvas id="canvas"></canvas>
JavaScript
js
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
// Save the current state
ctx.save();
ctx.fillStyle = "green";
ctx.fillRect(10, 10, 100, 100);
// Restore to the state saved by the most recent call to save()
ctx.restore();
ctx.fillRect(150, 40, 100, 100);
Result
Specifications
Specification |
---|
HTML Standard # dom-context-2d-save-dev |
Browser compatibility
BCD tables only load in the browser
See also
- The interface defining this method:
CanvasRenderingContext2D
CanvasRenderingContext2D.restore()