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