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

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

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

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