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mutter-performance-source/clutter/clutter-color.h
2008-10-20 10:36:41 +00:00

156 lines
5.8 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* 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.
*/
#ifndef _HAVE_CLUTTER_COLOR_H
#define _HAVE_CLUTTER_COLOR_H
#include <glib-object.h>
#include <clutter/clutter-fixed.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_COLOR (clutter_color_get_type ())
typedef struct _ClutterColor ClutterColor;
/**
* 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
{
guint8 red;
guint8 green;
guint8 blue;
guint8 alpha;
};
ClutterColor *clutter_color_new (guint8 red,
guint8 green,
guint8 blue,
guint8 alpha);
ClutterColor *clutter_color_copy (const ClutterColor *color);
void clutter_color_free (ClutterColor *color);
gboolean clutter_color_parse (const gchar *color,
ClutterColor *dest);
gboolean clutter_color_equal (const ClutterColor *a,
const ClutterColor *b);
gchar * clutter_color_to_string (const ClutterColor *color);
GType clutter_color_get_type (void) G_GNUC_CONST;
void clutter_color_add (const ClutterColor *src1,
const ClutterColor *src2,
ClutterColor *dest);
void clutter_color_subtract (const ClutterColor *src1,
const ClutterColor *src2,
ClutterColor *dest);
void clutter_color_lighten (const ClutterColor *src,
ClutterColor *dest);
void clutter_color_darken (const ClutterColor *src,
ClutterColor *dest);
void clutter_color_shade (const ClutterColor *src,
ClutterColor *dest,
gdouble shade);
void clutter_color_shadex (const ClutterColor *src,
ClutterColor *dest,
ClutterFixed shade);
void clutter_color_to_hlsx (const ClutterColor *src,
ClutterFixed *hue,
ClutterFixed *luminance,
ClutterFixed *saturation);
void clutter_color_from_hlsx (ClutterColor *dest,
ClutterFixed hue,
ClutterFixed luminance,
ClutterFixed saturation);
void clutter_color_to_hls (const ClutterColor *src,
guint8 *hue,
guint8 *luminance,
guint8 *saturation);
void clutter_color_from_hls (ClutterColor *dest,
guint8 hue,
guint8 luminance,
guint8 saturation);
guint32 clutter_color_to_pixel (const ClutterColor *src);
void clutter_color_from_pixel (ClutterColor *dest,
guint32 pixel);
#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))
#define CLUTTER_VALUE_HOLDS_COLOR(x) (G_VALUE_HOLDS ((x), CLUTTER_TYPE_COLOR))
/**
* CLUTTER_VALUE_HOLDS_COLOR:
* @x: a #GValue
*
* Evaluates to %TRUE if @x holds a #ClutterColor<!-- -->.
*
* Since: 1.0
*/
typedef struct _ClutterParamSpecColor ClutterParamSpecColor;
/**
* ClutterParamSpecColor:
* @default_value: default color value
*/
struct _ClutterParamSpecColor
{
/*< private >*/
GParamSpec parent_instance;
/*< public >*/
ClutterColor *default_value;
};
GType clutter_param_color_get_type (void) G_GNUC_CONST;
void clutter_value_set_color (GValue *value,
ClutterColor *color);
const ClutterColor *clutter_value_get_color (const GValue *value);
GParamSpec *clutter_param_spec_color (const gchar *name,
const gchar *nick,
const gchar *blurb,
const ClutterColor *default_value,
GParamFlags flags);
G_END_DECLS
#endif /* _HAVE_CLUTTER_COLOR_H */