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Allow custom ratio/width/height in fromDataURL #253

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merged 2 commits into from
Jun 11, 2017
Merged

Allow custom ratio/width/height in fromDataURL #253

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0154c24
Can pass in custom ratio and size to fromDataURL
halo May 16, 2017
da07655
Use ES6 options
halo May 24, 2017
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5 changes: 5 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,9 @@
## Changelog

### master

* Allow custom ratio/width/height when loading data URL onto canvas

### 2.1.1
* Fixed a bug where default value was applied for throttle when throttle was set to 0. ([mkrause](https://github.com/mkrause) in [#247](https://github.com/szimek/signature_pad/pull/247))

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8 changes: 4 additions & 4 deletions src/signature_pad.js
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Expand Up @@ -92,11 +92,11 @@ SignaturePad.prototype.clear = function () {
this._isEmpty = true;
};

SignaturePad.prototype.fromDataURL = function (dataUrl) {
SignaturePad.prototype.fromDataURL = function (dataUrl, options = {}) {
const image = new Image();
const ratio = window.devicePixelRatio || 1;
const width = this._canvas.width / ratio;
const height = this._canvas.height / ratio;
const ratio = options.ratio || window.devicePixelRatio || 1;
const width = options.width || (this._canvas.width / ratio);
const height = options.height || (this._canvas.height / ratio);

this._reset();
image.src = dataUrl;
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