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1c6580afd6
Document that repeated calls to clutter_cairo_texture_create() continue drawing on the same cairo_surface_t. Add clutter_cairo_texture_clear() for when you don't want that behavior. http://bugzilla.openedhand.com/show_bug.cgi?id=1599 Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>
109 lines
4.3 KiB
C
109 lines
4.3 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 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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#include <cairo.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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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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*
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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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void (*_clutter_cairo_1) (void);
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void (*_clutter_cairo_2) (void);
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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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cairo_t * clutter_cairo_texture_create_region (ClutterCairoTexture *self,
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gint x_offset,
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gint y_offset,
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gint width,
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gint height);
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cairo_t * clutter_cairo_texture_create (ClutterCairoTexture *self);
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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_clear (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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