swfdec/swfdec_bitmap_movie.c

   1 /* Swfdec
   2  * Copyright (C) 2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "swfdec_bitmap_movie.h"
  25 #include "swfdec_debug.h"
  26 #include "swfdec_player_internal.h"
  27
  28 G_DEFINE_TYPE (SwfdecBitmapMovie, swfdec_bitmap_movie, SWFDEC_TYPE_MOVIE)
  29
  30 static void
  31 swfdec_bitmap_movie_update_extents (SwfdecMovie *movie,
  32     SwfdecRect *extents)
  33 {
  34   SwfdecBitmapMovie *bitmap = SWFDEC_BITMAP_MOVIE (movie);
  35   SwfdecRect rect = { 0, 0, 0, 0 };
  36
  37   if (bitmap->bitmap->surface == NULL)
  38     return;
  39
  40   rect.x1 = cairo_image_surface_get_width (bitmap->bitmap->surface) * SWFDEC_TWIPS_SCALE_FACTOR;
  41   rect.y1 = cairo_image_surface_get_height (bitmap->bitmap->surface) * SWFDEC_TWIPS_SCALE_FACTOR;
  42
  43   swfdec_rect_union (extents, extents, &rect);
  44 }
  45
  46 static void
  47 swfdec_bitmap_movie_render (SwfdecMovie *movie, cairo_t *cr,
  48     const SwfdecColorTransform *trans)
  49 {
  50   SwfdecBitmapMovie *bitmap = SWFDEC_BITMAP_MOVIE (movie);
  51
  52   if (bitmap->bitmap->surface == NULL)
  53     return;
  54
  55   cairo_scale (cr, SWFDEC_TWIPS_SCALE_FACTOR, SWFDEC_TWIPS_SCALE_FACTOR);
  56   if (swfdec_color_transform_is_mask (trans)) {
  57     SWFDEC_FIXME ("does attachBitmap mask?");
  58     cairo_set_source_rgb (cr, 0, 0, 0);
  59     cairo_rectangle (cr, 0, 0,
  60         cairo_image_surface_get_width (bitmap->bitmap->surface),
  61         cairo_image_surface_get_height (bitmap->bitmap->surface));
  62     cairo_fill (cr);
  63   } else if (swfdec_color_transform_is_identity (trans)) {
  64     cairo_set_source_surface (cr, bitmap->bitmap->surface, 0, 0);
  65     cairo_paint (cr);
  66   } else if (swfdec_color_transform_is_alpha (trans)) {
  67     cairo_set_source_surface (cr, bitmap->bitmap->surface, 0, 0);
  68     cairo_paint_with_alpha (cr, trans->aa / 255.0);
  69   } else {
  70     SWFDEC_FIXME ("properly color-transform bitmap");
  71     cairo_set_source_surface (cr, bitmap->bitmap->surface, 0, 0);
  72     cairo_paint (cr);
  73   }
  74 }
  75
  76 static void
  77 swfdec_bitmap_movie_invalidate (SwfdecMovie *movie, const cairo_matrix_t *matrix, gboolean last)
  78 {
  79   SwfdecBitmapMovie *bitmap = SWFDEC_BITMAP_MOVIE (movie);
  80   SwfdecRect rect = { 0, 0, 0, 0 };
  81
  82   if (bitmap->bitmap->surface == NULL)
  83     return;
  84
  85   rect.x1 = cairo_image_surface_get_width (bitmap->bitmap->surface) * SWFDEC_TWIPS_SCALE_FACTOR;
  86   rect.y1 = cairo_image_surface_get_height (bitmap->bitmap->surface) * SWFDEC_TWIPS_SCALE_FACTOR;
  87
  88   swfdec_rect_transform (&rect, &rect, matrix);
  89   swfdec_player_invalidate (SWFDEC_PLAYER (swfdec_gc_object_get_context (movie)), &rect);
  90 }
  91
  92 static SwfdecMovie *
  93 swfdec_bitmap_movie_contains (SwfdecMovie *movie, double x, double y,
  94     gboolean events)
  95 {
  96   return movie;
  97 }
  98
  99 static void
 100 swfdec_bitmap_movie_mark (SwfdecGcObject *object)
 101 {
 102   SwfdecBitmapMovie *bitmap = SWFDEC_BITMAP_MOVIE (object);
 103
 104   swfdec_gc_object_mark (bitmap->bitmap);
 105
 106   SWFDEC_GC_OBJECT_CLASS (swfdec_bitmap_movie_parent_class)->mark (object);
 107 }
 108
 109 static void
 110 swfdec_bitmap_movie_dispose (GObject *object)
 111 {
 112   SwfdecBitmapMovie *bitmap = SWFDEC_BITMAP_MOVIE (object);
 113
 114   g_signal_handlers_disconnect_by_func (bitmap->bitmap,
 115       swfdec_movie_invalidate_last, bitmap);
 116   g_object_unref (bitmap->bitmap);
 117
 118   G_OBJECT_CLASS (swfdec_bitmap_movie_parent_class)->dispose (object);
 119 }
 120
 121 static void
 122 swfdec_bitmap_movie_class_init (SwfdecBitmapMovieClass * g_class)
 123 {
 124   GObjectClass *object_class = G_OBJECT_CLASS (g_class);
 125   SwfdecGcObjectClass *gc_class = SWFDEC_GC_OBJECT_CLASS (g_class);
 126   SwfdecMovieClass *movie_class = SWFDEC_MOVIE_CLASS (g_class);
 127
 128   object_class->dispose = swfdec_bitmap_movie_dispose;
 129
 130   gc_class->mark = swfdec_bitmap_movie_mark;
 131
 132   movie_class->update_extents = swfdec_bitmap_movie_update_extents;
 133   movie_class->render = swfdec_bitmap_movie_render;
 134   movie_class->invalidate = swfdec_bitmap_movie_invalidate;
 135   movie_class->contains = swfdec_bitmap_movie_contains;
 136 }
 137
 138 static void
 139 swfdec_bitmap_movie_init (SwfdecBitmapMovie * bitmap_movie)
 140 {
 141 }
 142
 143 SwfdecMovie *
 144 swfdec_bitmap_movie_new (SwfdecMovie *parent, SwfdecBitmapData *bitmap, int depth)
 145 {
 146   SwfdecBitmapMovie *movie;
 147
 148   g_return_val_if_fail (SWFDEC_IS_MOVIE (parent), NULL);
 149   g_return_val_if_fail (SWFDEC_IS_BITMAP_DATA (bitmap), NULL);
 150
 151   movie = g_object_new (SWFDEC_TYPE_BITMAP_MOVIE,
 152       "context", swfdec_gc_object_get_context (parent), "depth", depth,
 153       "parent", parent, "resource", parent->resource, NULL);
 154   movie->bitmap = bitmap;
 155   /* we ref the bitmap here to enforce the order for destruction, which makes our signals work */
 156   g_object_ref (bitmap);
 157   /* FIXME: be smarter in what we invalidate, use the rectangle */
 158   g_signal_connect_swapped (movie->bitmap, "invalidate",
 159       G_CALLBACK (swfdec_movie_invalidate_last), movie);
 160
 161   return SWFDEC_MOVIE (movie);
 162 }