On 11/8/10 8:40 AM, g...@novadsp.com wrote:
I'm extending my MozMFC example to handle rendering into a Win32 bitmap. I
start with the following ...
nsCOMPtr<nsICanvasRenderingContextInternal> context;
context =
do_CreateInstance("@mozilla.org/content/canvas-rendering-context;1?id=2d",
&rv);
This really doesn't make any sense. The way to get a canvas rendering
context is to create a <canvas> element and then call .getContext('2d') on
it. Otherwise your rendering context isn't actually backed by a drawing buffer.
--BDS
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