MGL_setGammaRamp
Sets the hardware gamma correction ramp.
Declaration
ibool MGLAPI MGL_setGammaRamp(
MGLDC *dc,
palette_ext_t *gamma,
int num,
int index,
ibool waitVRT)
Prototype In
mgraph.h
Parameters
dc |
Device context to set gamma ramp values for |
gamma |
Pointer to array of gamma ramp values to set |
num |
Number of gamma entries to set |
index |
Starting index of first gamma entry to set |
waitVRT |
True if routine should sync to vertical retrace, false if not. |
Description
This function sets part or all of the hardware gamma correction ramp for a device context. You can specify only a subset of the gamma ramp entried to be modified with the startIndex and numColors arguments. The changes to the gamma ramp take place immediately.
Note: This function is only valid for RGB display modes, and will do nothing in color index modes.
See Also
Copyright © 2002 SciTech Software, Inc. Visit our web site at http://www.scitechsoft.com