mutter/common/cogl-color.c
Emmanuele Bassi 1bcdf7d9eb 2008-10-30 Emmanuele Bassi <ebassi@linux.intel.com>
Bug 1219 - Clean up cogl.h

	* clutter/cogl/cogl.h.in:
	* clutter/cogl/cogl-offscreen.h:
	* clutter/cogl/cogl-path.h:
	* clutter/cogl/cogl-shader.h:
	* clutter/cogl/cogl-texture.h:
	* clutter/cogl/cogl-types.h: Split up the massive cogl.h file
	into sub-header for each section of the API.

	* clutter/cogl/gl/*:
	* clutter/cogl/gles/*: Update the GL and GLES implementations
	of COGL to cope with the new header structure.

	* doc/reference/cogl/Makefile.am: Fix symbol retrieval.
2008-10-30 17:25:00 +00:00

109 lines
2.3 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl-color.h"
#include "cogl-fixed.h"
void
cogl_color_set_from_4ub (CoglColor *dest,
guint8 red,
guint8 green,
guint8 blue,
guint8 alpha)
{
g_return_if_fail (dest != NULL);
dest->red = COGL_FIXED_FROM_FLOAT ((float) red / 0xff * 1.0);
dest->green = COGL_FIXED_FROM_FLOAT ((float) green / 0xff * 1.0);
dest->blue = COGL_FIXED_FROM_FLOAT ((float) blue / 0xff * 1.0);
dest->alpha = COGL_FIXED_FROM_FLOAT ((float) alpha / 0xff * 1.0);
}
void
cogl_color_set_from_4d (CoglColor *dest,
gdouble red,
gdouble green,
gdouble blue,
gdouble alpha)
{
g_return_if_fail (dest != NULL);
dest->red = COGL_FIXED_FROM_FLOAT (CLAMP (red, 0.0, 1.0));
dest->green = COGL_FIXED_FROM_FLOAT (CLAMP (green, 0.0, 1.0));
dest->blue = COGL_FIXED_FROM_FLOAT (CLAMP (blue, 0.0, 1.0));
dest->alpha = COGL_FIXED_FROM_FLOAT (CLAMP (alpha, 0.0, 1.0));
}
unsigned char
cogl_color_get_red_byte (const CoglColor *color)
{
return COGL_FIXED_TO_INT (color->red * 255);
}
float
cogl_color_get_red_float (const CoglColor *color)
{
return COGL_FIXED_TO_FLOAT (color->red);
}
CoglFixed
cogl_color_get_red (const CoglColor *color)
{
return color->red;
}
unsigned char
cogl_color_get_green_byte (const CoglColor *color)
{
return COGL_FIXED_TO_INT (color->green * 255);
}
float
cogl_color_get_green_float (const CoglColor *color)
{
return COGL_FIXED_TO_FLOAT (color->green);
}
CoglFixed
cogl_color_get_green (const CoglColor *color)
{
return color->green;
}
unsigned char
cogl_color_get_blue_byte (const CoglColor *color)
{
return COGL_FIXED_TO_INT (color->blue * 255);
}
float
cogl_color_get_blue_float (const CoglColor *color)
{
return COGL_FIXED_TO_FLOAT (color->blue);
}
CoglFixed
cogl_color_get_blue (const CoglColor *color)
{
return color->blue;
}
unsigned char
cogl_color_get_alpha_byte (const CoglColor *color)
{
return COGL_FIXED_TO_INT (color->alpha * 255);
}
float
cogl_color_get_alpha_float (const CoglColor *color)
{
return COGL_FIXED_TO_FLOAT (color->alpha);
}
CoglFixed
cogl_color_get_alpha (const CoglColor *color)
{
return color->alpha;
}