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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By: Matthew Allum <mallum@openedhand.com>
* Emmanuele Bassi <ebassi@linux.intel.com>
*
* Copyright (C) 2006, 2007, 2008 OpenedHand
* Copyright (C) 2009 Intel Corp.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CLUTTER_COLOR_H__
#define __CLUTTER_COLOR_H__
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_COLOR (clutter_color_get_type ())
/**
* ClutterColor:
* @red: red component, between 0 and 255
* @green: green component, between 0 and 255
* @blue: blue component, between 0 and 255
* @alpha: alpha component, between 0 and 255
*
* Color representation.
*/
struct _ClutterColor
{
/*< public >*/
guint8 red;
guint8 green;
guint8 blue;
guint8 alpha;
};
/**
* CLUTTER_COLOR_INIT:
* @r: value for the red channel, between 0 and 255
* @g: value for the green channel, between 0 and 255
* @b: value for the blue channel, between 0 and 255
* @a: value for the alpha channel, between 0 and 255
*
* A macro that initializes a #ClutterColor, to be used when declaring it.
*
* Since: 1.12
*/
#define CLUTTER_COLOR_INIT(r,g,b,a) { (r), (g), (b), (a) }
CLUTTER_AVAILABLE_IN_ALL
GType clutter_color_get_type (void) G_GNUC_CONST;
CLUTTER_AVAILABLE_IN_ALL
ClutterColor *clutter_color_new (guint8 red,
guint8 green,
guint8 blue,
guint8 alpha);
CLUTTER_AVAILABLE_IN_1_12
ClutterColor *clutter_color_alloc (void);
CLUTTER_AVAILABLE_IN_1_12
ClutterColor *clutter_color_init (ClutterColor *color,
guint8 red,
guint8 green,
guint8 blue,
guint8 alpha);
CLUTTER_AVAILABLE_IN_ALL
ClutterColor *clutter_color_copy (const ClutterColor *color);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_free (ClutterColor *color);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_add (const ClutterColor *a,
const ClutterColor *b,
ClutterColor *result);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_subtract (const ClutterColor *a,
const ClutterColor *b,
ClutterColor *result);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_lighten (const ClutterColor *color,
ClutterColor *result);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_darken (const ClutterColor *color,
ClutterColor *result);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_shade (const ClutterColor *color,
gdouble factor,
ClutterColor *result);
CLUTTER_AVAILABLE_IN_ALL
gchar * clutter_color_to_string (const ClutterColor *color);
CLUTTER_AVAILABLE_IN_1_0
gboolean clutter_color_from_string (ClutterColor *color,
const gchar *str);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_to_hls (const ClutterColor *color,
gfloat *hue,
gfloat *luminance,
gfloat *saturation);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_from_hls (ClutterColor *color,
gfloat hue,
gfloat luminance,
gfloat saturation);
CLUTTER_AVAILABLE_IN_ALL
guint32 clutter_color_to_pixel (const ClutterColor *color);
CLUTTER_AVAILABLE_IN_ALL
void clutter_color_from_pixel (ClutterColor *color,
guint32 pixel);
CLUTTER_AVAILABLE_IN_1_0
guint clutter_color_hash (gconstpointer v);
CLUTTER_AVAILABLE_IN_ALL
gboolean clutter_color_equal (gconstpointer v1,
gconstpointer v2);
CLUTTER_AVAILABLE_IN_1_6
void clutter_color_interpolate (const ClutterColor *initial,
const ClutterColor *final,
gdouble progress,
ClutterColor *result);
#define CLUTTER_TYPE_PARAM_COLOR (clutter_param_color_get_type ())
#define CLUTTER_PARAM_SPEC_COLOR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), CLUTTER_TYPE_PARAM_COLOR, ClutterParamSpecColor))
#define CLUTTER_IS_PARAM_SPEC_COLOR(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), CLUTTER_TYPE_PARAM_COLOR))
/**
* CLUTTER_VALUE_HOLDS_COLOR:
* @x: a #GValue
*
* Evaluates to %TRUE if @x holds a #ClutterColor<!-- -->.
*
* Since: 1.0
*/
#define CLUTTER_VALUE_HOLDS_COLOR(x) (G_VALUE_HOLDS ((x), CLUTTER_TYPE_COLOR))
typedef struct _ClutterParamSpecColor ClutterParamSpecColor;
/**
* ClutterParamSpecColor: (skip)
* @default_value: default color value
*
* A #GParamSpec subclass for defining properties holding
* a #ClutterColor.
*
* Since: 1.0
*/
struct _ClutterParamSpecColor
{
/*< private >*/
GParamSpec parent_instance;
/*< public >*/
ClutterColor *default_value;
};
CLUTTER_AVAILABLE_IN_1_0
void clutter_value_set_color (GValue *value,
const ClutterColor *color);
CLUTTER_AVAILABLE_IN_1_0
const ClutterColor * clutter_value_get_color (const GValue *value);
CLUTTER_AVAILABLE_IN_1_0
GType clutter_param_color_get_type (void) G_GNUC_CONST;
CLUTTER_AVAILABLE_IN_1_0
GParamSpec * clutter_param_spec_color (const gchar *name,
const gchar *nick,
const gchar *blurb,
const ClutterColor *default_value,
GParamFlags flags);
CLUTTER_AVAILABLE_IN_1_6
const ClutterColor *clutter_color_get_static (ClutterStaticColor color);
G_END_DECLS
#endif /* __CLUTTER_COLOR_H__ */
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