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mutter-performance-source/clutter/clutter-texture.h
2007-08-07 14:03:58 +00:00

158 lines
5.6 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_TEXTURE_H
#define _HAVE_CLUTTER_TEXTURE_H
#include <clutter/clutter-actor.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_TEXTURE (clutter_texture_get_type ())
#define CLUTTER_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXTURE, ClutterTexture))
#define CLUTTER_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
#define CLUTTER_IS_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXTURE))
#define CLUTTER_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_TEXTURE))
#define CLUTTER_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
/**
* ClutterTextureError:
* @CLUTTER_TEXTURE_ERROR_OUT_OF_MEMORY: OOM condition
* @CLUTTER_TEXTURE_ERROR_NO_YUV: YUV operation attempted but no YUV support
* found
*
* Error enumeration for #ClutterTexture
*
* Since: 0.4
*/
typedef enum {
CLUTTER_TEXTURE_ERROR_OUT_OF_MEMORY,
CLUTTER_TEXTURE_ERROR_NO_YUV
} ClutterTextureError;
#define CLUTTER_TEXTURE_ERROR (clutter_texture_error_quark ())
GQuark clutter_texture_error_quark (void);
typedef struct _ClutterTexture ClutterTexture;
typedef struct _ClutterTextureClass ClutterTextureClass;
typedef struct _ClutterTexturePrivate ClutterTexturePrivate;
struct _ClutterTexture
{
/*< private >*/
ClutterActor parent;
ClutterTexturePrivate *priv;
};
struct _ClutterTextureClass
{
ClutterActorClass parent_class;
void (*size_change) (ClutterTexture *texture,
gint width,
gint height);
void (*pixbuf_change) (ClutterTexture *texture);
/*< private >*/
/* padding, for future expansion */
void (*_clutter_texture1) (void);
void (*_clutter_texture2) (void);
void (*_clutter_texture3) (void);
void (*_clutter_texture4) (void);
void (*_clutter_texture5) (void);
void (*_clutter_texture6) (void);
};
/**
* ClutterTextureFlags:
* @CLUTTER_TEXTURE_RGB_FLAG_BGR: FIXME
* @CLUTTER_TEXTURE_RGB_FLAG_PREMULT: FIXME
* @CLUTTER_TEXTURE_YUV_FLAG_YUV2: FIXME
*
* Flags for clutter_texture_set_from_rgb_data() and
* clutter_texture_set_from_rgb_data().
*
* Since: 0.4
*/
typedef enum { /*< prefix=CLUTTER_TEXTURE >*/
CLUTTER_TEXTURE_RGB_FLAG_BGR = 1 << 1,
CLUTTER_TEXTURE_RGB_FLAG_PREMULT = 1 << 2, /* FIXME: not handled */
CLUTTER_TEXTURE_YUV_FLAG_YUV2 = 1 << 3
/* FIXME: add compressed types ? */
} ClutterTextureFlags;
GType clutter_texture_get_type (void) G_GNUC_CONST;
ClutterActor *clutter_texture_new (void);
ClutterActor *clutter_texture_new_from_pixbuf (GdkPixbuf *pixbuf);
gboolean clutter_texture_set_from_rgb_data (ClutterTexture *texture,
const guchar *data,
gboolean has_alpha,
gint width,
gint height,
gint rowstride,
gint bpp,
ClutterTextureFlags flags,
GError **error);
gboolean clutter_texture_set_from_yuv_data (ClutterTexture *texture,
const guchar *data,
gint width,
gint height,
ClutterTextureFlags flags,
GError **error);
gboolean clutter_texture_set_pixbuf (ClutterTexture *texture,
GdkPixbuf *pixbuf,
GError **error);
GdkPixbuf * clutter_texture_get_pixbuf (ClutterTexture *texture);
void clutter_texture_get_base_size (ClutterTexture *texture,
gint *width,
gint *height);
/* Below mainly for subclassed texture based actors */
void clutter_texture_bind_tile (ClutterTexture *texture,
gint index_);
void clutter_texture_get_n_tiles (ClutterTexture *texture,
gint *n_x_tiles,
gint *n_y_tiles);
void clutter_texture_get_x_tile_detail (ClutterTexture *texture,
gint x_index,
gint *pos,
gint *size,
gint *waste);
void clutter_texture_get_y_tile_detail (ClutterTexture *texture,
gint y_index,
gint *pos,
gint *size,
gint *waste);
gboolean clutter_texture_has_generated_tiles (ClutterTexture *texture);
gboolean clutter_texture_is_tiled (ClutterTexture *texture);
G_END_DECLS
#endif /* _HAVE_CLUTTER_TEXTURE_H */