download-canvas
v1.0.2
Published
Download Canvas
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huytbtReadme
Download Canvas
Js to support download canvas
This package distribute from https://github.com/kaxi1993/canvas-to-image. Write by kaxi1993
Instalation
$ npm install download-canvasQuick Start
downloadCanvas(canvasId, options);
options = {
name: 'custom name', // default image
type: 'jpg', // default png, accepted values jpg or png
quality: 0.4 // default 1, can select any value from 0 to 1 interval
}
Download as jpg
downloadCanvas('my-canvas', {
name: 'myImage',
type: 'jpg',
quality: 0.7
});Download as png
downloadCanvas('my-canvas', {
name: 'myImage',
type: 'png',
quality: 1
});
or
downloadCanvas('my-canvas');Examples
<html>
<head></head>
<body>
<canvas id="my-canvas"></canvas>
...
<script src="/download-canvas/src/index.js"></script>
<script>
downloadCanvas('my-canvas', {
name: 'myJPG',
type: 'jpg',
quality: 0.5
});
downloadCanvas('my-canvas', {
name: 'myPNG',
type: 'png',
quality: 1
});
downloadCanvas('my-canvas', {});
</script>
</body>
</html>or using browserify
browserify -r canvas-to-image > bundle.js<html>
<head></head>
<body>
<canvas id="my-canvas"></canvas>
...
<script src="bundle.js"></script>
<script>
downloadCanvas('my-canvas', {
name: 'myJPG',
type: 'jpg',
quality: 0.5
});
downloadCanvas('my-canvas', {
name: 'myPNG',
type: 'png',
quality: 1
});
downloadCanvas('my-canvas', {});
</script>
</body>
</html>