Advice on offscreen drawing.
Advice on offscreen drawing.
- Subject: Advice on offscreen drawing.
- From: Oscar Morales Vivó <email@hidden>
- Date: Thu, 14 Mar 2002 00:40:07 +0100
Hi there. I'm about to start testing on a raytracer renderer I'm
building (big bunch of C++ code), and I'd like to build a Cocoa front
end for it. I've checked the reference for drawing in views (NSImage et
al), but what I need is just a pure 32-bit size-configurable 2D pixel
matrix I can draw on the screen after I finish the raytracing (i.e. a
pixmap) easily.
Efficiency isn't much of an issue, as raytracing is rather slow as it
is, and every pixel is written just once. Ideally I would have a
subclass of my canvas object that draws with virtual functions (I try to
keep my platform-dependant code nicely isolated). And ideally that
subclass would be usable from any Mac OS X API (Carbon, Cocoa, Core...).
Would any kind soul give me some advice on what stuff would be best for
my needs, how to use it with Cocoa (the fact that I want it working with
other APIs doesn't need I'm going to bother with them now) and if
there's any example code that I could use?
Thanks in advance for your help:
Oscar Morales.
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