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Windows Graphics Programming Win32 GDI and DirectDraw®
book

Windows Graphics Programming Win32 GDI and DirectDraw®

by Feng Yuan
December 2000
Intermediate to advanced content levelIntermediate to advanced
1280 pages
28h 56m
English
Pearson
Content preview from Windows Graphics Programming Win32 GDI and DirectDraw®

Chapter 6. Coordinate Spaces and Transformation

An application keeps a data structure with all objects it wants to represent. For example, a desktop publishing application may store paragraphs of text, images, line art, page heading, page footer, etc. A garden design application stores objects representing plants, fences, sidewalks, decks, lawns, etc. This kind of data structure is called a model.

What we are interested in is a subset of the model, the geometric model, which describes objects' dimensions, location, shape, texture, color, and other properties. The dimensions and locations of objects are normally given in physical units, inches or meters, as appropriate to the domain. The shapes of objects can be described in terms of primitives, ...

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ISBN: 0130869856Purchase book