gcpGetLuminance

Langue: en

Version: 267201 (debian - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

gcpGetLuminance - Manipulate Luminance

SYNOPSIS

 #include <ggi/gcp.h>
 
 ggi_float gcpGetLuminance(ggi_visual_t vis, const gcp_pixel pix);

DESCRIPTION

gcpGetLuminance calculates the luminance of the pix pixel.

RETURN VALUE

gcpGetLuminance returns the luminance of the pixel.