QuickTime 4 Reference

QuickDraw GX Concepts and Structures

To use QuickTime vectors, you need to understand the QuickDraw GX concepts and data structures on which vectors are based. These concepts and data structures are introduced in the following sections.

A QuickTime vector corresponds to a QuickDraw GX path object, which is one of the g eometric shapes supported by QuickDraw GX. Path objects are closely related to, and are in some cases defined by, other QuickDraw GX geometric shapes, such as points and curves.

Shape Objects

Supporting Objects

QuickDraw GX Coordinates

Geometry Space

Summary Table and Diagram of QuickDraw GX Objects

Shape Properties

Path Shapes

Creating and Drawing Paths

Geometric Properties of Style Objects

Color in QuickDraw GX

Transfer Modes