Middleware, development tools, realtime operating system
software and services for superior embedded design


Home
QNX Community Resources
QNX Documentation Library
PgRedValue

PgRedValue

QNX Software Systems
Developer Resources
Blogs
Board support packages
Foundry27 projects
Forums
Hardware support listing
Online video tutorials
Product documentation
Technical Articles

PgRedValue()

Extract the red component from a color value

Synopsis:

int PgRedValue( PgColor_t color );

Arguments:

color
A composite color value, of type PgColor_t.

Library:

ph

Description:

This macro extracts the red color component from a composite color value. The result is between 0 and 255.

Classification:

Photon

Safety:
Interrupt handler No
Signal handler No
Thread No

Caveats:

PgRedValue() is a macro.

See also:

PgAlphaValue(), PgARGB(), PgBlueValue(), PgCMY(), PgColor_t, PgGreenValue(), PgHSV(), PgRGB(), PgSetFillColor(), PgSetFillDither()

"Color" in the Raw Drawing and Animation chapter of the Photon Programmer's Guide