mutter/clutter/clutter-brightness-contrast-effect.h
Joseph Scheuhammer 32f57595fe Add brightness/contrast effect
The ClutterBrightnessContrastEffect effect class allows changing the
brightness and contrast levels of an actor.

Modified-by: Emmanuele Bassi <ebassi@linux.intel.com>
Modified-by: Neil Roberts <neil@linux.intel.com>

https://bugzilla.gnome.org/show_bug.cgi?id=656156
2012-03-07 14:02:55 +00:00

81 lines
4.5 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010-2012 Inclusive Design Research Centre, OCAD University.
*
* 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/>.
*
* Author:
* Joseph Scheuhammer <clown@alum.mit.edu>
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_BRIGHTNESS_CONTRAST_EFFECT_H__
#define __CLUTTER_BRIGHTNESS_CONTRAST_EFFECT_H__
#include <clutter/clutter-color.h>
#include <clutter/clutter-effect.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_BRIGHTNESS_CONTRAST_EFFECT (clutter_brightness_contrast_effect_get_type ())
#define CLUTTER_BRIGHTNESS_CONTRAST_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BRIGHTNESS_CONTRAST_EFFECT, ClutterBrightnessContrastEffect))
#define CLUTTER_IS_BRIGHTNESS_CONTRAST_EFFECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BRIGHTNESS_CONTRAST_EFFECT))
/**
* ClutterBrightnessContrastEffect:
*
* <structname>ClutterBrightnessContrastEffect</structname> is an opaque structure
* whose members cannot be directly accessed
*
* Since: 1.10
*/
typedef struct _ClutterBrightnessContrastEffect ClutterBrightnessContrastEffect;
typedef struct _ClutterBrightnessContrastEffectClass ClutterBrightnessContrastEffectClass;
GType clutter_brightness_contrast_effect_get_type (void) G_GNUC_CONST;
ClutterEffect * clutter_brightness_contrast_effect_new (void);
void clutter_brightness_contrast_effect_set_brightness_full (ClutterBrightnessContrastEffect *effect,
float red,
float green,
float blue);
void clutter_brightness_contrast_effect_set_brightness (ClutterBrightnessContrastEffect *effect,
float brightness);
void clutter_brightness_contrast_effect_get_brightness (ClutterBrightnessContrastEffect *effect,
float *red,
float *green,
float *blue);
void clutter_brightness_contrast_effect_set_contrast_full (ClutterBrightnessContrastEffect *effect,
float red,
float green,
float blue);
void clutter_brightness_contrast_effect_set_contrast (ClutterBrightnessContrastEffect *effect,
float contrast);
void clutter_brightness_contrast_effect_get_contrast (ClutterBrightnessContrastEffect *effect,
float *red,
float *green,
float *blue);
G_END_DECLS
#endif /* __CLUTTER_BRIGHTNESS_CONTRAST_EFFECT_H__ */