- From: Philip Taylor <excors+whatwg@gmail.com>
- Date: Wed, 3 Mar 2010 14:33:52 +0000
On Wed, Mar 3, 2010 at 1:08 PM, Franti?ek ?ez??
<frantisek.rezac at calavera.info> wrote:
> Description
> add overload of (or add similarly called) method "createImageData" to
> interface CanvasRenderingContext2D which would take two arguments:
> - encodedImageBinaryData
> - dataMimeType
> which are rather self explanatory.
>
> Reason
> The reason is to be able to supply output of the future File API
> standard (http://www.w3.org/TR/FileAPI/) into canvas.
The canvas API already lets you do:
var img = new Image();
img.onload = function() {
ctx.drawImage(img, 0, 0);
// do processing on the canvas
};
img.src = 'data:image/png;base64,...'; // get this string from
readAsDataURL etc
Is that sufficient for your use case?
--
Philip Taylor
excors at gmail.com
Received on Wednesday, 3 March 2010 06:33:52 UTC