[Bug 13085] Enhancement: Set component for whole image?

http://www.w3.org/Bugs/Public/show_bug.cgi?id=13085

--- Comment #4 from j.chetwynd <j.chetwynd@btinternet.com> 2011-06-29 21:04:28 UTC ---
no doubt the alpha case for opacity is most likely to be the popular one
currently, see CSS.
However it is readily apparent there is an excellent use case for data
visualisation with each of RGB.

peepo.com provides a simple example using canvas, common to many maps, click on
the board and observe the change in red saturation, screengrab:
http://www.flickr.com/photos/49932622@N05/5623363217/in/photostream/lightbox/

Screens tend to grow with processor speed, and experience (CSS?) suggests that
changing a single component at the browser/graphics chip level would
considerably reduce temporal artefacts.

perhaps a more complex example might be similar to colour separation as used in
printmaking.
for instance the opacity of each colour layer may more easily be related to the
hue.

It is possible to manipulate this all on a pixel basis, it certainly appears
slower and more complex than the aformentioned CSS method.

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Received on Wednesday, 29 June 2011 21:04:30 UTC