swfdec/swfdec_swf_decoder.h

   1 /* Swfdec
   2  * Copyright (C) 2003-2006 David Schleef <ds@schleef.org>
   3  *               2005-2006 Eric Anholt <eric@anholt.net>
   4  *               2006-2007 Benjamin Otte <otte@gnome.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  */
  21
  22 #ifndef __SWFDEC_SWF_DECODER_H__
  23 #define __SWFDEC_SWF_DECODER_H__
  24
  25 #include <glib.h>
  26 #include <zlib.h>
  27
  28 #include <swfdec/swfdec_decoder.h>
  29 #include <swfdec/swfdec_bits.h>
  30 #include <swfdec/swfdec_types.h>
  31 #include <swfdec/swfdec_rect.h>
  32
  33 G_BEGIN_DECLS
  34
  35 //typedef struct _SwfdecSwfDecoder SwfdecSwfDecoder;
  36 typedef struct _SwfdecSwfDecoderClass SwfdecSwfDecoderClass;
  37 typedef int (* SwfdecTagFunc) (SwfdecSwfDecoder *, guint);
  38
  39 #define SWFDEC_TYPE_SWF_DECODER                    (swfdec_swf_decoder_get_type())
  40 #define SWFDEC_IS_SWF_DECODER(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_SWF_DECODER))
  41 #define SWFDEC_IS_SWF_DECODER_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_SWF_DECODER))
  42 #define SWFDEC_SWF_DECODER(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_SWF_DECODER, SwfdecSwfDecoder))
  43 #define SWFDEC_SWF_DECODER_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_SWF_DECODER, SwfdecSwfDecoderClass))
  44 #define SWFDEC_SWF_DECODER_GET_CLASS(obj)          (G_TYPE_INSTANCE_GET_CLASS ((obj), SWFDEC_TYPE_SWF_DECODER, SwfdecSwfDecoderClass))
  45
  46 struct _SwfdecSwfDecoder
  47 {
  48   SwfdecDecoder         decoder;
  49
  50   int                   version;
  51
  52   gboolean              compressed;     /* TRUE if this is a compressed flash file */
  53   z_stream              z;              /* decompressor in use or uninitialized memory */
  54   SwfdecBuffer *        buffer;         /* buffer containing uncompressed data */
  55   guint                 bytes_parsed;   /* number of bytes that have been processed by the parser */
  56
  57   int                   state;          /* where we are in the top-level state engine */
  58   SwfdecBits            parse;          /* where we are in global parsing */
  59   SwfdecBits            b;              /* temporary state while parsing */
  60
  61   /* defined objects */
  62   GHashTable *          characters;     /* list of all objects with an id (called characters) */
  63   SwfdecSprite *        main_sprite;    /* the root sprite */
  64   SwfdecSprite *        parse_sprite;   /* the sprite that parsed at the moment */
  65   GHashTable *          scripts;        /* buffer -> script mapping for all scripts */
  66
  67   gboolean              use_network;    /* allow network or local access */
  68   gboolean              has_metadata;   /* TRUE if this file contains metadata */
  69   gboolean              protection;     /* TRUE is this file is protected and may not be edited */
  70   char *                password;       /* MD5'd password to open for editing or NULL if may not be opened */
  71   char *                metadata;       /* NULL if unset or contents of Metadata tag (supposed to be RDF) */
  72
  73   SwfdecBuffer *        jpegtables;     /* jpeg tables for DefineJPEG compressed jpeg files */
  74 };
  75
  76 struct _SwfdecSwfDecoderClass {
  77   SwfdecDecoderClass    decoder_class;
  78 };
  79
  80 GType           swfdec_swf_decoder_get_type             (void);
  81
  82 gpointer        swfdec_swf_decoder_get_character        (SwfdecSwfDecoder *     s,
  83                                                          guint                  id);
  84 gpointer        swfdec_swf_decoder_create_character     (SwfdecSwfDecoder *     s,
  85                                                          guint                  id,
  86                                                          GType                  type);
  87
  88 void            swfdec_swf_decoder_add_script           (SwfdecSwfDecoder *     s,
  89                                                          SwfdecScript *         script);
  90 SwfdecScript *  swfdec_swf_decoder_get_script           (SwfdecSwfDecoder *     s,
  91                                                          guint8 *               data);
  92
  93 SwfdecTagFunc swfdec_swf_decoder_get_tag_func (int tag);
  94 const char *swfdec_swf_decoder_get_tag_name (int tag);
  95 int swfdec_swf_decoder_get_tag_flag (int tag);
  96
  97 G_END_DECLS
  98
  99 #endif