swfdec/swfdec_transform_as.c

   1 /* Swfdec
   2  * Copyright (C) 2007-2008 Pekka Lampila <pekka.lampila@iki.fi>
   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_transform_as.h"
  25
  26 #include "swfdec_color_transform_as.h"
  27 #include "swfdec_as_strings.h"
  28 #include "swfdec_as_internal.h"
  29 #include "swfdec_as_frame_internal.h"
  30 #include "swfdec_debug.h"
  31 #include "swfdec_utils.h"
  32
  33 G_DEFINE_TYPE (SwfdecTransformAs, swfdec_transform_as, SWFDEC_TYPE_AS_OBJECT)
  34
  35 static void
  36 swfdec_transform_as_class_init (SwfdecTransformAsClass *klass)
  37 {
  38 }
  39
  40 static void
  41 swfdec_transform_as_init (SwfdecTransformAs *transform)
  42 {
  43 }
  44
  45 // properties
  46 SWFDEC_AS_NATIVE (1106, 101, swfdec_transform_as_get_matrix)
  47 void
  48 swfdec_transform_as_get_matrix (SwfdecAsContext *cx, SwfdecAsObject *object,
  49     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  50 {
  51   SwfdecTransformAs *transform;
  52   SwfdecAsObject *o;
  53   cairo_matrix_t *matrix;
  54   SwfdecAsValue val;
  55
  56   SWFDEC_AS_CHECK (SWFDEC_TYPE_TRANSFORM_AS, &transform, "");
  57   if (transform->target == NULL)
  58     return;
  59
  60   swfdec_movie_update (transform->target);
  61   matrix = &transform->target->matrix;
  62   o = swfdec_as_object_new_empty (cx);
  63   swfdec_as_object_set_constructor_by_name (o, SWFDEC_AS_STR_flash,
  64         SWFDEC_AS_STR_geom, SWFDEC_AS_STR_Matrix, NULL);
  65
  66   SWFDEC_AS_VALUE_SET_NUMBER (&val, matrix->xx);
  67   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_a, &val);
  68   SWFDEC_AS_VALUE_SET_NUMBER (&val, matrix->yx);
  69   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_b, &val);
  70   SWFDEC_AS_VALUE_SET_NUMBER (&val, matrix->xy);
  71   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_c, &val);
  72   SWFDEC_AS_VALUE_SET_NUMBER (&val, matrix->yy);
  73   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_d, &val);
  74   SWFDEC_AS_VALUE_SET_NUMBER (&val, matrix->yy);
  75   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_d, &val);
  76   SWFDEC_AS_VALUE_SET_NUMBER (&val, SWFDEC_TWIPS_TO_DOUBLE (matrix->x0));
  77   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_tx, &val);
  78   SWFDEC_AS_VALUE_SET_NUMBER (&val, SWFDEC_TWIPS_TO_DOUBLE (matrix->y0));
  79   swfdec_as_object_set_variable (o, SWFDEC_AS_STR_ty, &val);
  80
  81   SWFDEC_AS_VALUE_SET_OBJECT (ret, o);
  82 }
  83
  84 SWFDEC_AS_NATIVE (1106, 102, swfdec_transform_as_set_matrix)
  85 void
  86 swfdec_transform_as_set_matrix (SwfdecAsContext *cx, SwfdecAsObject *object,
  87     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
  88 {
  89   cairo_matrix_t tmp;
  90   SwfdecTransformAs *transform;
  91   SwfdecAsObject *o;
  92   SwfdecMovie *movie;
  93
  94   SWFDEC_AS_CHECK (SWFDEC_TYPE_TRANSFORM_AS, &transform, "o", &o);
  95   if (transform->target == NULL ||
  96       !swfdec_matrix_from_as_object (&tmp, o))
  97     return;
  98
  99   tmp.x0 = SWFDEC_DOUBLE_TO_TWIPS (tmp.x0);
 100   tmp.y0 = SWFDEC_DOUBLE_TO_TWIPS (tmp.y0);
 101
 102   /* NB: We don't use begin/end_update_matrix() here, because Flash is
 103    * broken enough to not want that. */
 104   movie = transform->target;
 105   swfdec_movie_invalidate_next (movie);
 106
 107   movie->matrix = tmp;
 108
 109   swfdec_movie_queue_update (movie, SWFDEC_MOVIE_INVALID_EXTENTS);
 110   swfdec_matrix_ensure_invertible (&movie->matrix, &movie->inverse_matrix);
 111   g_signal_emit_by_name (movie, "matrix-changed");
 112 }
 113
 114 SWFDEC_AS_NATIVE (1106, 103, swfdec_transform_as_get_concatenatedMatrix)
 115 void
 116 swfdec_transform_as_get_concatenatedMatrix (SwfdecAsContext *cx,
 117     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 118     SwfdecAsValue *ret)
 119 {
 120   SWFDEC_STUB ("Transform.concatenatedMatrix (get)");
 121 }
 122
 123 SWFDEC_AS_NATIVE (1106, 104, swfdec_transform_as_set_concatenatedMatrix)
 124 void
 125 swfdec_transform_as_set_concatenatedMatrix (SwfdecAsContext *cx,
 126     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 127     SwfdecAsValue *ret)
 128 {
 129   SWFDEC_STUB ("Transform.concatenatedMatrix (set)");
 130 }
 131
 132 SWFDEC_AS_NATIVE (1106, 105, swfdec_transform_as_get_colorTransform)
 133 void
 134 swfdec_transform_as_get_colorTransform (SwfdecAsContext *cx,
 135     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 136     SwfdecAsValue *ret)
 137 {
 138   SwfdecTransformAs *transform;
 139
 140   SWFDEC_AS_CHECK (SWFDEC_TYPE_TRANSFORM_AS, &transform, "");
 141
 142   if (transform->target == NULL)
 143     return;
 144
 145   SWFDEC_AS_VALUE_SET_OBJECT (ret,
 146     SWFDEC_AS_OBJECT (swfdec_color_transform_as_new_from_transform (cx,
 147         &transform->target->color_transform)));
 148 }
 149
 150 SWFDEC_AS_NATIVE (1106, 106, swfdec_transform_as_set_colorTransform)
 151 void
 152 swfdec_transform_as_set_colorTransform (SwfdecAsContext *cx,
 153     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 154     SwfdecAsValue *ret)
 155 {
 156   SwfdecTransformAs *self;
 157   SwfdecColorTransformAs *transform_as;
 158   SwfdecAsObject *color;
 159
 160   SWFDEC_AS_CHECK (SWFDEC_TYPE_TRANSFORM_AS, &self, "o", &color);
 161
 162   if (self->target == NULL)
 163     return;
 164
 165   if (!SWFDEC_IS_COLOR_TRANSFORM_AS (color))
 166     return;
 167
 168   transform_as = SWFDEC_COLOR_TRANSFORM_AS (color);
 169
 170   swfdec_color_transform_get_transform (transform_as, &self->target->color_transform);
 171 }
 172
 173 SWFDEC_AS_NATIVE (1106, 107, swfdec_transform_as_get_concatenatedColorTransform)
 174 void
 175 swfdec_transform_as_get_concatenatedColorTransform (SwfdecAsContext *cx,
 176     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 177     SwfdecAsValue *ret)
 178 {
 179   SwfdecTransformAs *self;
 180   SwfdecColorTransform chain;
 181   SwfdecMovie *movie;
 182
 183   SWFDEC_AS_CHECK (SWFDEC_TYPE_TRANSFORM_AS, &self, "");
 184
 185   if (self->target == NULL)
 186     return;
 187
 188   chain = self->target->color_transform;
 189
 190   for (movie = self->target->parent; movie != NULL; movie = movie->parent) {
 191     swfdec_color_transform_chain (&chain, &movie->color_transform, &chain);
 192   }
 193
 194   SWFDEC_AS_VALUE_SET_OBJECT (ret, SWFDEC_AS_OBJECT (
 195       swfdec_color_transform_as_new_from_transform (cx, &chain)));
 196 }
 197
 198 SWFDEC_AS_NATIVE (1106, 108, swfdec_transform_as_set_concatenatedColorTransform)
 199 void
 200 swfdec_transform_as_set_concatenatedColorTransform (SwfdecAsContext *cx,
 201     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 202     SwfdecAsValue *ret)
 203 {
 204   // read-only
 205 }
 206
 207 SWFDEC_AS_NATIVE (1106, 109, swfdec_transform_as_get_pixelBounds)
 208 void
 209 swfdec_transform_as_get_pixelBounds (SwfdecAsContext *cx,
 210     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 211     SwfdecAsValue *ret)
 212 {
 213   SWFDEC_STUB ("Transform.pixelBounds (get)");
 214 }
 215
 216 SWFDEC_AS_NATIVE (1106, 110, swfdec_transform_as_set_pixelBounds)
 217 void
 218 swfdec_transform_as_set_pixelBounds (SwfdecAsContext *cx,
 219     SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
 220     SwfdecAsValue *ret)
 221 {
 222   SWFDEC_STUB ("Transform.pixelBounds (set)");
 223 }
 224
 225 // constructor
 226 SWFDEC_AS_CONSTRUCTOR (1106, 0, swfdec_transform_as_construct, swfdec_transform_as_get_type)
 227 void
 228 swfdec_transform_as_construct (SwfdecAsContext *cx, SwfdecAsObject *object,
 229     guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
 230 {
 231   if (!cx->frame->construct)
 232     return;
 233
 234   if (argc < 1 ||
 235       !SWFDEC_AS_VALUE_IS_OBJECT (&argv[0]) ||
 236       !SWFDEC_IS_MOVIE (SWFDEC_AS_VALUE_GET_OBJECT (&argv[0]))) {
 237     SWFDEC_FIXME ("new Transform without movieclip should give undefined");
 238     return;
 239   }
 240
 241   SWFDEC_TRANSFORM_AS (object)->target =
 242     SWFDEC_MOVIE (SWFDEC_AS_VALUE_GET_OBJECT (&argv[0]));
 243 }
 244
 245 SwfdecTransformAs *
 246 swfdec_transform_as_new (SwfdecAsContext *context, SwfdecMovie *target)
 247 {
 248   SwfdecTransformAs *transform;
 249
 250   g_return_val_if_fail (SWFDEC_IS_AS_CONTEXT (context), NULL);
 251   g_return_val_if_fail (SWFDEC_IS_MOVIE (target), NULL);
 252
 253   transform = g_object_new (SWFDEC_TYPE_TRANSFORM_AS, "context", context, NULL);
 254
 255   swfdec_as_object_set_constructor_by_name (SWFDEC_AS_OBJECT (transform),
 256       SWFDEC_AS_STR_flash, SWFDEC_AS_STR_geom, SWFDEC_AS_STR_Transform, NULL);
 257   transform->target = target;
 258
 259   return transform;
 260 }