This was was cloned from bug 17577 as part of operation convergence.
Originally filed: 2012-06-22 14:08:00 +0000

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 #0   contributor@whatwg.org                          2012-06-22 14:08:58 +0000 
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Specification: http://www.w3.org/TR/2dcontext/
Multipage: http://www.whatwg.org/C#top
Complete: http://www.whatwg.org/c#top

Comment:
Problem:
How to manipulate pixels of an image that can then be affected by a
transformation.

Example:
Load an image. Change pixels by increasing red value. Display image with a
rotation.

Result: Cannot be done.

As far as I can tell there is no way to use pixel manipulation on a loaded
image. 
- There is no mechanism to manipulate pixels in an image
- There is no mechanism to 'put' pixels from ImageData into an image
- There is no mechanism to apply a transform to ImageData
- There is no mechanism to drawImage ImageData

I'm either ignorant of a method or this is a serious short-coming. I recognize
that the canvas may have no business altering image pixels, but some other
mechanism needs to exist to apply transformations to manipulated canvas
pixels.

I would like to see a putImageData have a flag to indicate if transformations
should apply, or, better yet, be able to drawImage(ImageData,x,y);

Thank you,
derek@upwithabang.com


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