On Thu, Dec 10, 2009 at 1:36 PM, Oliver Hunt oli...@apple.com wrote:
Ideally if we were to have a graphics context in a worker we'd want it to be
the standard CanvasRenderingContext2D, the only real problem is that
CanvasRenderingContext2D references the parent canvas element which clearly
On Fri, Dec 11, 2009 at 12:49 AM, Jonas Sicking jo...@sicking.cc wrote:
On Thu, Dec 10, 2009 at 1:36 PM, Oliver Hunt oli...@apple.com wrote:
Ideally if we were to have a graphics context in a worker we'd want it to
be
the standard CanvasRenderingContext2D, the only real problem is that
On Fri, Dec 11, 2009 at 2:30 AM, Jeremy Orlow jor...@chromium.org wrote:
CanvasRenderingContext2Ds would never need to be shared between threads
because they're cloned when passed...so is your concern that the libraries
are only meant to ever be used from one thread? Maybe I'm being naive,
On Fri, Dec 11, 2009 at 10:29 AM, Robert O'Callahan rob...@ocallahan.orgwrote:
On Fri, Dec 11, 2009 at 2:30 AM, Jeremy Orlow jor...@chromium.org wrote:
CanvasRenderingContext2Ds would never need to be shared between threads
because they're cloned when passed...so is your concern that the
Hi Sigbjorn,
Does this mean that I have to implement my own image scaling method in
Javascript when using web workers, instead of using the scale() method of
CanvasRenderingContext2D?
If so, I'd have to manually iterate over all pixels of the image, perform
some nearest-neighbour calculation and
Ideally if we were to have a graphics context in a worker we'd want it to be
the standard CanvasRenderingContext2D, the only real problem is that
CanvasRenderingContext2D references the parent canvas element which clearly
won't fly in a worker.
I've been thinking of creating something like a
On Thu, Dec 10, 2009 at 1:36 PM, Oliver Hunt oli...@apple.com wrote:
Additionally there's the question of origin tainting -- is it possible to
taint the origin in a worker? you don;t have image elements, you can't xhr
unsafely to other origins, but maybe i'm missing something?
Is origin
On Thu, 10 Dec 2009 22:36:45 +0100, Oliver Hunt oli...@apple.com wrote:
Ideally if we were to have a graphics context in a worker we'd want it
to be the standard CanvasRenderingContext2D, the only real problem is
that CanvasRenderingContext2D references the parent canvas element which
On 12/5/2009 13:24, Franz Buchinger wrote:
Gears introduced the concept of an offscreen canvas that doesn't draw
anything in the browser window, but can be used to manipulate images in a
web worker.
I used this functionality to implement a resize-before-upload feature in
my photo gallery
On Dec 6, 2009, at 10:18 PM, Sigbjorn Finne wrote:
On 12/5/2009 13:24, Franz Buchinger wrote:
Gears introduced the concept of an offscreen canvas that doesn't draw
anything in the browser window, but can be used to manipulate images in a
web worker.
I used this functionality to implement
Gears introduced the concept of an offscreen canvas that doesn't draw
anything in the browser window, but can be used to manipulate images in a
web worker.
I used this functionality to implement a resize-before-upload feature in
my photo gallery uploader. Now I'm trying to port my uploader to
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