a87ede2e12
* clutter/clutter-texture.[ch]: Add a ClutterTextureError to be returned by the loader functions; use the GObject API to allocate the private data structure instead of managing it ourselves; add documentation.
136 lines
5.1 KiB
C
136 lines
5.1 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 Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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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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#ifndef _HAVE_CLUTTER_TEXTURE_H
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#define _HAVE_CLUTTER_TEXTURE_H
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#include <clutter/clutter-actor.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_TEXTURE (clutter_texture_get_type ())
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#define CLUTTER_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXTURE, ClutterTexture))
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#define CLUTTER_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
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#define CLUTTER_IS_TEXTURE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXTURE))
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#define CLUTTER_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_TEXTURE))
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#define CLUTTER_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_TEXTURE, ClutterTextureClass))
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typedef enum {
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CLUTTER_TEXTURE_ERROR_OUT_OF_MEMORY,
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CLUTTER_TEXTURE_ERROR_NO_YUV
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} ClutterTextureError;
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#define CLUTTER_TEXTURE_ERROR (clutter_texture_error_quark ())
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GQuark clutter_texture_error_quark (void);
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typedef struct _ClutterTexture ClutterTexture;
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typedef struct _ClutterTextureClass ClutterTextureClass;
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typedef struct _ClutterTexturePrivate ClutterTexturePrivate;
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struct _ClutterTexture
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{
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ClutterActor parent;
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ClutterTexturePrivate *priv;
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};
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struct _ClutterTextureClass
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{
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ClutterActorClass parent_class;
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void (*size_change) (ClutterTexture *texture,
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gint width,
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gint height);
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void (*pixbuf_change) (ClutterTexture *texture);
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/* padding, for future expansion */
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void (*_clutter_texture1) (void);
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void (*_clutter_texture2) (void);
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void (*_clutter_texture3) (void);
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void (*_clutter_texture4) (void);
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void (*_clutter_texture5) (void);
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void (*_clutter_texture6) (void);
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};
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typedef enum ClutterTextureFlags
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{
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CLUTTER_TEXTURE_RGB_FLAG_BGR = (1 << 1),
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CLUTTER_TEXTURE_RGB_FLAG_PREMULT = (1 << 2), /* FIXME: not handled */
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CLUTTER_TEXTURE_YUV_FLAG_YUV2 = (1 << 3)
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/* FIXME: add compressed types ? */
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} ClutterTextureFlags;
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GType clutter_texture_get_type (void) G_GNUC_CONST;
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ClutterActor *clutter_texture_new (void);
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ClutterActor *clutter_texture_new_from_pixbuf (GdkPixbuf *pixbuf);
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gboolean clutter_texture_set_from_rgb_data (ClutterTexture *texture,
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const guchar *data,
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gboolean has_alpha,
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gint width,
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gint height,
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gint rowstride,
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gint bpp,
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ClutterTextureFlags flags,
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GError **error);
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gboolean clutter_texture_set_from_yuv_data (ClutterTexture *texture,
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const guchar *data,
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gint width,
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gint height,
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ClutterTextureFlags flags,
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GError **error);
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gboolean clutter_texture_set_pixbuf (ClutterTexture *texture,
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GdkPixbuf *pixbuf,
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GError **error);
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GdkPixbuf * clutter_texture_get_pixbuf (ClutterTexture *texture);
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void clutter_texture_get_base_size (ClutterTexture *texture,
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gint *width,
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gint *height);
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/* Below mainly for subclassed texture based actors */
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void clutter_texture_bind_tile (ClutterTexture *texture,
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gint index);
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void clutter_texture_get_n_tiles (ClutterTexture *texture,
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gint *n_x_tiles,
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gint *n_y_tiles);
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void clutter_texture_get_x_tile_detail (ClutterTexture *texture,
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gint x_index,
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gint *pos,
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gint *size,
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gint *waste);
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void clutter_texture_get_y_tile_detail (ClutterTexture *texture,
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gint y_index,
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gint *pos,
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gint *size,
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gint *waste);
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gboolean clutter_texture_has_generated_tiles (ClutterTexture *texture);
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gboolean clutter_texture_is_tiled (ClutterTexture *texture);
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G_END_DECLS
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#endif /* _HAVE_CLUTTER_TEXTURE_H */
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