QuickTime 4 Reference

Transfer Modes

Basically, ink objects exist to specify two important characteristics of a shape: its color and the transfer mode to draw it with. Transfer modes are described here.

Transfer modes specify how a shape's color is transferred onto a device. The color of a shape to be drawn (the source color ) interacts with the existing color (the destination color ) on the device it is drawn to. The color that results from that interaction is called the result color. The result color is the color of the destination after the drawing occurs.

Note that colors from different color spaces can be used. The source and destination colors are converted to the transfer mode's color space, and the resulting color is then reconverted to the destination color space.

Transfer Modes

Transfer Mode Types

Transfer Mode Color Space

Color Limits

Source Color Limits

Destination Color Limits

Result Color Limits

Transfer Mode Matrices

Flags for Transfer Modes

Summary of Transfer Mode Operation