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Mac OSX Developer's Guide
book

Mac OSX Developer's Guide

by Jesse Feiler
October 2001
Intermediate to advanced content levelIntermediate to advanced
594 pages
21h 44m
English
Morgan Kaufmann
Content preview from Mac OSX Developer's Guide
440 9 Chapter 20: Visualization: Views and Windows
overhead and you don't have to worry about the representa-
tion.
NSImage
NSImage is responsible for managing all of its representations
and for selecting (and drawing) the appropriate one for a giv-
en device. For convenience, images may be named.
Each NSImage may have a delegate that implements image-
DidNotDraw (aRect--NSRect). This method is called only if
NSImage was unable to draw the image. It returns an NSIm-
age*--which could be an alternative image to draw. If it re-
turns nil, NSImage no longer tries to draw the image,
assuming either that the delegate has done so or
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Publisher Resources

ISBN: 9780122513411