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


Home
QNX Community Resources
QNX Documentation Library
PgAlphaOn, PgAlphaOnCx

PgAlphaOn, PgAlphaOnCx

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

PgAlphaOn(), PgAlphaOnCx()

Turn alpha blending operations on

Synopsis:

void PgAlphaOn( void );

void PgAlphaOnCx(PhGC_t *gc);

Arguments:

gc
PgAlphaOnCx() only. A pointer to a graphics context, as returned by PgCreateGC() or PgGetGC().

Library:

ph

Description:

These functions turn alpha blending operations on. PgAlphaOn() works on the current graphics context, while you can specify the graphics context for PgAlphaOnCx().

Classification:

Photon

Safety:
Interrupt handler No
Signal handler No
Thread No

See also:

PgAlphaOff*(), PgSetAlpha*(),

"Alpha Blending Support" in the Raw Drawing and Animation chapter of the Photon Programmer's Guide