mutter/clutter/clutter-cairo-texture.h
2012-02-27 15:49:58 +00:00

140 lines
5.5 KiB
C

/*
* Clutter
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By: Emmanuele Bassi <ebassi@linux.intel.com>
* Matthew Allum <mallum@o-hand.com>
* Chris Lord <chris@o-hand.com>
* Iain Holmes <iain@o-hand.com>
* Neil Roberts <neil@linux.intel.com>
*
* Copyright (C) 2008, 2009, 2010 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, see <http://www.gnu.org/licenses/>.
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_CAIRO_TEXTURE_H__
#define __CLUTTER_CAIRO_TEXTURE_H__
#include <clutter/clutter-texture.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_CAIRO_TEXTURE (clutter_cairo_texture_get_type ())
#define CLUTTER_CAIRO_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CAIRO_TEXTURE, ClutterCairoTexture))
#define CLUTTER_CAIRO_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_CAIRO_TEXTURE, ClutterCairoTextureClass))
#define CLUTTER_IS_CAIRO_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CAIRO_TEXTURE))
#define CLUTTER_IS_CAIRO_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_CAIRO_TEXTURE))
#define CLUTTER_CAIRO_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_CAIRO_TEXTURE, ClutterCairoTextureClass))
/**
* CLUTTER_CAIRO_FORMAT_ARGB32:
*
* The #CoglPixelFormat to be used when uploading image data from
* and to a Cairo image surface using %CAIRO_FORMAT_ARGB32 and
* %CAIRO_FORMAT_RGB24 as #cairo_format_t.
*
* Since: 1.8
*/
/* Cairo stores the data in native byte order as ARGB but Cogl's pixel
* formats specify the actual byte order. Therefore we need to use a
* different format depending on the architecture
*/
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define CLUTTER_CAIRO_FORMAT_ARGB32 (COGL_PIXEL_FORMAT_BGRA_8888_PRE)
#else
#define CLUTTER_CAIRO_FORMAT_ARGB32 (COGL_PIXEL_FORMAT_ARGB_8888_PRE)
#endif
typedef struct _ClutterCairoTexture ClutterCairoTexture;
typedef struct _ClutterCairoTextureClass ClutterCairoTextureClass;
typedef struct _ClutterCairoTexturePrivate ClutterCairoTexturePrivate;
/**
* ClutterCairoTexture:
*
* The #ClutterCairoTexture struct contains only private data.
*
* Since: 1.0
*/
struct _ClutterCairoTexture
{
/*< private >*/
ClutterTexture parent_instance;
ClutterCairoTexturePrivate *priv;
};
/**
* ClutterCairoTextureClass:
* @create_surface: class handler for the #ClutterCairoTexture::create-surface
* signal
* @draw: class handler for the #ClutterCairoTexture::draw signal
*
* The #ClutterCairoTextureClass struct contains only private data.
*
* Since: 1.0
*/
struct _ClutterCairoTextureClass
{
/*< private >*/
ClutterTextureClass parent_class;
/*< public >*/
cairo_surface_t *(* create_surface) (ClutterCairoTexture *texture,
guint width,
guint height);
gboolean (* draw) (ClutterCairoTexture *texture,
cairo_t *cr);
/*< private >*/
void (*_clutter_cairo_3) (void);
void (*_clutter_cairo_4) (void);
};
GType clutter_cairo_texture_get_type (void) G_GNUC_CONST;
ClutterActor * clutter_cairo_texture_new (guint width,
guint height);
void clutter_cairo_texture_set_surface_size (ClutterCairoTexture *self,
guint width,
guint height);
void clutter_cairo_texture_get_surface_size (ClutterCairoTexture *self,
guint *width,
guint *height);
void clutter_cairo_texture_set_auto_resize (ClutterCairoTexture *self,
gboolean value);
gboolean clutter_cairo_texture_get_auto_resize (ClutterCairoTexture *self);
void clutter_cairo_texture_clear (ClutterCairoTexture *self);
void clutter_cairo_texture_invalidate_rectangle (ClutterCairoTexture *self,
cairo_rectangle_int_t *rect);
void clutter_cairo_texture_invalidate (ClutterCairoTexture *self);
void clutter_cairo_set_source_color (cairo_t *cr,
const ClutterColor *color);
G_END_DECLS
#endif /* __CLUTTER_CAIRO_TEXTURE_H__ */