Technical Q&As
This page lists new and recently changed Technical Q&As.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

New and updated Technical Q&As are announced in the weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
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2005-01-13 Creating color spaces that ensure color matching. (HTML)
First Version
 First Version ColorSync, Quartz
2004-12-13 Finding an NSView's current magnification. (HTML)
There was a mistake in the implementation of -resetScaling. I was doing a -convertSize:toView: that should have been a -convertSize:fromView:
 Minor Change Cocoa, Quartz
2004-12-03 NSOpenGLView redraw problems after a window is closed and re-opened. (HTML)
First Version
 First Version Cocoa, OpenGL
2004-12-01 OpenGL Sample Code (HTML)
First Version
 First Version Carbon, Cocoa, Games, OpenGL
2004-10-28 Using Interface Builder's NSOpenGLView or Custom View objects for an OpenGL application (HTML)
Edited out the capital 'I' in NSOpenGLPixelFormat, Edited code block for -awakeFromNib to be more accurate, Edited code block to add the @interface section to show an instance variable, Added additional descriptive information regarding a dragged-in NSOpenGLView, Added 'NOTE:' box for text following code listing
 Content Update Cocoa, OpenGL
2004-10-11 glFlush() vs. glFinish() (HTML)
First Version
 First Version OpenGL
2004-10-11 How do I determine how much VRAM is available on my video card? (HTML)
First Version
 First Version Cocoa, Games, OpenGL, Quartz
2004-10-04 NSTimers and Rendering Loops (HTML)
First Version
 First Version Cocoa, OpenGL, Performance
2004-09-09 CGBitmapContextCreate Supported Color Spaces (HTML)
Removed two combinations in the Gray color space that had been incorrectly documented as supported.
 Content Update Carbon, Cocoa, Games, Quartz
2004-09-08 Setting the ColorSync profile for a NSBitmapImageRep object (HTML)
First Version
 First Version Cocoa, ColorSync