mutter/common/cogl-color.c
Robert Bragg 7e9685294e [cogl] Updates all file headers and removes lots of trailing white space
Adds missing notices, and ensures all the notices are consistent. The Cogl
blurb also now reads:

 * Cogl
 *
 * An object oriented GL/GLES Abstraction/Utility Layer
2009-05-02 04:12:25 +01:00

179 lines
3.6 KiB
C

/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2008,2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl.h"
#include "cogl-color.h"
#include "cogl-fixed.h"
CoglColor *
cogl_color_new (void)
{
return g_slice_new (CoglColor);
}
CoglColor *
cogl_color_copy (const CoglColor *color)
{
if (G_LIKELY (color))
return g_slice_dup (CoglColor, color);
return NULL;
}
void
cogl_color_free (CoglColor *color)
{
if (G_LIKELY (color))
g_slice_free (CoglColor, color);
}
void
cogl_color_set_from_4ub (CoglColor *dest,
guint8 red,
guint8 green,
guint8 blue,
guint8 alpha)
{
g_return_if_fail (dest != NULL);
dest->red = red;
dest->green = green;
dest->blue = blue;
dest->alpha = alpha;
}
void
cogl_color_set_from_4f (CoglColor *dest,
float red,
float green,
float blue,
float alpha)
{
g_return_if_fail (dest != NULL);
dest->red = (red * 255);
dest->green = (green * 255);
dest->blue = (blue * 255);
dest->alpha = (alpha * 255);
}
unsigned char
cogl_color_get_red_byte (const CoglColor *color)
{
return color->red;
}
float
cogl_color_get_red_float (const CoglColor *color)
{
return (float) color->red / 255.0;
}
float
cogl_color_get_red (const CoglColor *color)
{
return ((float) color->red / 255.0);
}
unsigned char
cogl_color_get_green_byte (const CoglColor *color)
{
return color->green;
}
float
cogl_color_get_green_float (const CoglColor *color)
{
return (float) color->green / 255.0;
}
float
cogl_color_get_green (const CoglColor *color)
{
return ((float) color->green / 255.0);
}
unsigned char
cogl_color_get_blue_byte (const CoglColor *color)
{
return color->blue;
}
float
cogl_color_get_blue_float (const CoglColor *color)
{
return (float) color->blue / 255.0;
}
float
cogl_color_get_blue (const CoglColor *color)
{
return ((float) color->blue / 255.0);
}
unsigned char
cogl_color_get_alpha_byte (const CoglColor *color)
{
return color->alpha;
}
float
cogl_color_get_alpha_float (const CoglColor *color)
{
return (float) color->alpha / 255.0;
}
float
cogl_color_get_alpha (const CoglColor *color)
{
return ((float) color->alpha / 255.0);
}
void
cogl_set_source_color4ub (guint8 red,
guint8 green,
guint8 blue,
guint8 alpha)
{
CoglColor c = { 0, };
cogl_color_set_from_4ub (&c, red, green, blue, alpha);
cogl_set_source_color (&c);
}
void
cogl_set_source_color4f (float red,
float green,
float blue,
float alpha)
{
CoglColor c = { 0, };
cogl_color_set_from_4f (&c, red, green, blue, alpha);
cogl_set_source_color (&c);
}