libswfdec/swfdec_morphshape.c

   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 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #include "swfdec_morphshape.h"
  27 #include "swfdec_debug.h"
  28 #include "swfdec_image.h"
  29 #include "swfdec_morph_movie.h"
  30 #include "swfdec_shape_parser.h"
  31
  32 G_DEFINE_TYPE (SwfdecMorphShape, swfdec_morph_shape, SWFDEC_TYPE_SHAPE)
  33
  34 static SwfdecMovie *
  35 swfdec_graphic_create_movie (SwfdecGraphic *graphic, gsize *size)
  36 {
  37   SwfdecMorphShape *morph = SWFDEC_MORPH_SHAPE (graphic);
  38   SwfdecMorphMovie *movie = g_object_new (SWFDEC_TYPE_MORPH_MOVIE, NULL);
  39
  40   movie->morph = morph;
  41   g_object_ref (morph);
  42
  43   *size = sizeof (SwfdecMorphMovie);
  44
  45   return SWFDEC_MOVIE (movie);
  46 }
  47
  48 static void
  49 swfdec_morph_shape_class_init (SwfdecMorphShapeClass * g_class)
  50 {
  51   SwfdecGraphicClass *graphic_class = SWFDEC_GRAPHIC_CLASS (g_class);
  52
  53   graphic_class->create_movie = swfdec_graphic_create_movie;
  54 }
  55
  56 static void
  57 swfdec_morph_shape_init (SwfdecMorphShape * morph)
  58 {
  59 }
  60
  61
  62 int
  63 tag_define_morph_shape (SwfdecSwfDecoder * s, guint tag)
  64 {
  65   SwfdecShapeParser *parser;
  66   SwfdecBits bits2;
  67   SwfdecBits *bits = &s->b;
  68   SwfdecMorphShape *morph;
  69   guint offset;
  70   int id;
  71
  72   id = swfdec_bits_get_u16 (bits);
  73
  74   morph = swfdec_swf_decoder_create_character (s, id, SWFDEC_TYPE_MORPH_SHAPE);
  75   if (!morph)
  76     return SWFDEC_STATUS_OK;
  77
  78   SWFDEC_INFO ("id=%d", id);
  79
  80   swfdec_bits_get_rect (bits, &SWFDEC_GRAPHIC (morph)->extents);
  81   swfdec_bits_get_rect (bits, &morph->end_extents);
  82   offset = swfdec_bits_get_u32 (bits);
  83   swfdec_bits_init_bits (&bits2, bits, offset);
  84
  85   parser = swfdec_shape_parser_new ((SwfdecParseDrawFunc) swfdec_pattern_parse_morph,
  86       (SwfdecParseDrawFunc) swfdec_stroke_parse_morph, s);
  87   swfdec_shape_parser_parse_morph (parser, &bits2, bits);
  88   SWFDEC_SHAPE (morph)->draws = swfdec_shape_parser_free (parser);
  89
  90   if (swfdec_bits_left (&bits2)) {
  91     SWFDEC_WARNING ("early finish when parsing start shapes: %u bytes",
  92         swfdec_bits_left (&bits2));
  93   }
  94
  95   return SWFDEC_STATUS_OK;
  96 }