Rappid toDataURL

[Kirby Craft]

I noticed that when using toDataURL to have convert the SVG to a image it defaults to png format. I've tried passing 'image/jpeg' as a parameter to toDataURL and that fails. Do you have a good example of changing the 'type' for toDataURL to something other than the default png format? 

Many thanks,

[Roman Bruckner]

Hi Kirby,

When you said your try failed, what exactly happened?

Note that joint.format.Raster plugin uses HTMLCanvasElement.toDataURL() internally (https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toDataURL).

A diagram can be exported to `image/png`, `image/jpeg` or `image/webp`.

`app.paper.toDataURL(function(img) { console.log(img); }, { type: 'image/jpeg'} )`

There is also ready-to-use method on joint.dia.Paper.prototype - toJPEG()  (http://jointjs.com/rappid/docs/format/raster).

Best,

Roman

On 9 May 2016 at 19:02, Kirby Craft <kcr...@liveops.com> wrote:

I noticed that when using toDataURL to have convert the SVG to a image it defaults to png format. I've tried passing 'image/jpeg' as a parameter to toDataURL and that fails. Do you have a good example of changing the 'type' for toDataURL to something other than the default png format? 

Many thanks,

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