Chapter 5 - Drawing
This chapter shows how you can draw simple graphics and text inside of windows using QuickDraw, the part of the Macintosh Toolbox that performs graphics operations on the user's screen. All Macintosh applications use QuickDraw indirectly whenever they call other Toolbox managers to create and manage the basic graphic user interface elements (such as windows, controls, and menus). Most applications also call QuickDraw directly to define areas in a window and to draw appropriate graphic elements in those areas. The Venn Diagrammer application, for instance, calls QuickDraw to draw the overlapping circles, the tool icons, and the figure and mood selection icons. It also calls QuickDraw to draw all the text displayed in a window.This chapter begins with a description of QuickDraw, its basic drawing model, and some of the data structures QuickDraw uses. Then it shows how to
For a complete description of the drawing capabilities of QuickDraw, see the chapter "QuickDraw Drawing" in Inside Macintosh: Imaging. For a complete description of the text capabilities of QuickDraw, see the chapter "QuickDraw Text" in Inside Macintosh: Text. To learn how to handle editable text, see the chapter "TextEdit" in Inside Macintosh: Text.
- define and draw simple objects such as lines, rectangles, and circles
- define complex graphic objects by combining simple objects
- outline and fill graphic objects
- draw static (that is, noneditable) text in a window
Chapter Contents
- About QuickDraw
- Points
- Rectangles
- Regions
- Bit Images
- Ports and Windows
- Drawing Shapes
- Drawing Bit Images
- Drawing Text
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