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https://github.com/brl/mutter.git
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5901b4d045
This hides a number of internal structs and enums from the docs, and moves some functions to more appropriate sections as well as misc description updates (mostly for the vertex buffer api)
230 lines
5.7 KiB
C
230 lines
5.7 KiB
C
/* cogl-color.h: Color type for COGL
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* This file is part of Clutter
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*
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* Copyright (C) 2008 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <cogl/cogl.h> can be included directly."
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#endif
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#ifndef __COGL_COLOR_H__
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#define __COGL_COLOR_H__
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#include <cogl/cogl-types.h>
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G_BEGIN_DECLS
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CoglColor *cogl_color_new (void);
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CoglColor *cogl_color_copy (const CoglColor *color);
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void cogl_color_free (CoglColor *color);
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/**
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* cogl_color_set_from_4ub:
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* @dest: return location for a #CoglColor
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* @red: value of the red channel, between 0 and 255
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* @green: value of the green channel, between 0 and 255
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* @blue: value of the blue channel, between 0 and 255
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* @alpha: value of the alpha channel, between 0 and 255
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*
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* Sets the values of the passed channels into a #CoglColor.
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*
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* Since: 1.0
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*/
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void cogl_color_set_from_4ub (CoglColor *dest,
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guint8 red,
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guint8 green,
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guint8 blue,
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guint8 alpha);
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/**
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* cogl_color_set_from_4f:
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* @dest: return location for a #CoglColor
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* @red: value of the red channel, between 0 and %1.0
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* @green: value of the green channel, between 0 and %1.0
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* @blue: value of the blue channel, between 0 and %1.0
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* @alpha: value of the alpha channel, between 0 and %1.0
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*
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* Sets the values of the passed channels into a #CoglColor
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*
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* Since: 1.0
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*/
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void cogl_color_set_from_4f (CoglColor *dest,
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float red,
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float green,
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float blue,
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float alpha);
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/**
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* cogl_color_get_red_byte:
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* @color: a #CoglColor
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*
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* Retrieves the red channel of @color as a byte value
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* between 0 and 255
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*
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* Return value: the red channel of the passed color
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*
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* Since: 1.0
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*/
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unsigned char cogl_color_get_red_byte (const CoglColor *color);
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/**
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* cogl_color_get_green_byte:
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* @color: a #CoglColor
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*
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* Retrieves the green channel of @color as a byte value
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* between 0 and 255
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*
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* Return value: the green channel of the passed color
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*
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* Since: 1.0
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*/
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unsigned char cogl_color_get_green_byte (const CoglColor *color);
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/**
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* cogl_color_get_blue_byte:
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* @color: a #CoglColor
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*
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* Retrieves the blue channel of @color as a byte value
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* between 0 and 255
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*
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* Return value: the blue channel of the passed color
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*
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* Since: 1.0
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*/
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unsigned char cogl_color_get_blue_byte (const CoglColor *color);
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/**
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* cogl_color_get_alpha_byte:
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* @color: a #CoglColor
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*
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* Retrieves the alpha channel of @color as a byte value
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* between 0 and 255
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*
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* Return value: the alpha channel of the passed color
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*
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* Since: 1.0
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*/
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unsigned char cogl_color_get_alpha_byte (const CoglColor *color);
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/**
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* cogl_color_get_red_float:
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* @color: a #CoglColor
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*
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* Retrieves the red channel of @color as a floating point
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* value between 0.0 and 1.0
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*
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* Return value: the red channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_red_float (const CoglColor *color);
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/**
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* cogl_color_get_green_float:
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* @color: a #CoglColor
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*
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* Retrieves the green channel of @color as a floating point
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* value between 0.0 and 1.0
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*
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* Return value: the green channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_green_float (const CoglColor *color);
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/**
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* cogl_color_get_blue_float:
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* @color: a #CoglColor
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*
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* Retrieves the blue channel of @color as a floating point
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* value between 0.0 and 1.0
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*
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* Return value: the blue channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_blue_float (const CoglColor *color);
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/**
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* cogl_color_get_alpha_float:
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* @color: a #CoglColor
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*
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* Retrieves the alpha channel of @color as a floating point
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* value between 0.0 and 1.0
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*
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* Return value: the alpha channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_alpha_float (const CoglColor *color);
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/**
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* cogl_color_get_red:
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* @color: a #CoglColor
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*
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* Retrieves the red channel of @color as a fixed point
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* value between 0 and %1.0.
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*
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* Return value: the red channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_red (const CoglColor *color);
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/**
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* cogl_color_get_green:
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* @color: a #CoglColor
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*
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* Retrieves the green channel of @color as a fixed point
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* value between 0 and %1.0.
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*
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* Return value: the green channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_green (const CoglColor *color);
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/**
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* cogl_color_get_blue:
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* @color: a #CoglColor
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*
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* Retrieves the blue channel of @color as a fixed point
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* value between 0 and %1.0.
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*
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* Return value: the blue channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_blue (const CoglColor *color);
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/**
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* cogl_color_get_alpha:
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* @color: a #CoglColor
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*
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* Retrieves the alpha channel of @color as a fixed point
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* value between 0 and %1.0.
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*
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* Return value: the alpha channel of the passed color
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*
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* Since: 1.0
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*/
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float cogl_color_get_alpha (const CoglColor *color);
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G_END_DECLS
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#endif /* __COGL_COLOR_H__ */
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