Ejemplos de SWFDEC_COLOR_TRANSFORM_AS en C++ (Cpp)

Ejemplo n.º 1

Archivo: swfdec_color_transform_as.c Proyecto: freedesktop-unofficial-mirror/swfdec__swfdec

void
swfdec_color_transform_as_concat (SwfdecAsContext *cx,
    SwfdecAsObject *object, guint argc, SwfdecAsValue *argv,
    SwfdecAsValue *ret)
{
  SwfdecColorTransformAs *transform, *other;
  SwfdecAsObject *other_object;

  SWFDEC_AS_CHECK (SWFDEC_TYPE_COLOR_TRANSFORM_AS, &transform, "o",
      &other_object);

  if (!SWFDEC_IS_COLOR_TRANSFORM_AS (other_object->relay))
    return;
  other = SWFDEC_COLOR_TRANSFORM_AS (other_object->relay);

  transform->rb += (transform->ra * other->rb);
  transform->gb += (transform->ga * other->gb);
  transform->bb += (transform->ba * other->bb);
  transform->ab += (transform->aa * other->ab);
  transform->ra *= other->ra;
  transform->ga *= other->ga;
  transform->ba *= other->ba;
  transform->aa *= other->aa;
}

Ejemplo n.º 2

Archivo: swfdec_bitmap_data.c Proyecto: fengye/swfdec

void
swfdec_bitmap_data_draw (SwfdecAsContext *cx, SwfdecAsObject *object,
    guint argc, SwfdecAsValue *argv, SwfdecAsValue *ret)
{
  SwfdecAsObject *o, *matrix = NULL, *trans = NULL;
  cairo_t *cr;
  SwfdecColorTransform ctrans;
  SwfdecBitmapData *bitmap;
  SwfdecRenderer *renderer;
  cairo_matrix_t mat;

  SWFDEC_AS_CHECK (SWFDEC_TYPE_BITMAP_DATA, &bitmap, "o|OO", &o, &matrix, &trans);

  if (bitmap->surface == NULL)
    return;

  if (argc >= 2) {
    if (matrix == NULL || !swfdec_matrix_from_as_object (&mat, matrix))
      return;
  } else {
    cairo_matrix_init_identity (&mat);
  }
  if (SWFDEC_IS_COLOR_TRANSFORM_AS (trans)) {
    swfdec_color_transform_get_transform (SWFDEC_COLOR_TRANSFORM_AS (trans), &ctrans);
  } else {
    swfdec_color_transform_init_identity (&ctrans);
  }

  if (argc > 3) {
    SWFDEC_FIXME ("only the first 3 arguments to Bitmap.draw() are implemented");
  }

  cr = cairo_create (bitmap->surface);
  /* FIXME: Do we have a better renderer? */
  renderer = SWFDEC_PLAYER (cx)->priv->renderer;
  swfdec_renderer_attach (renderer, cr);
  cairo_transform (cr, &mat);

  if (SWFDEC_IS_BITMAP_DATA (o)) {
    SwfdecBitmapData *src = SWFDEC_BITMAP_DATA (o);
    if (src->surface) {
      if (swfdec_color_transform_is_identity (&ctrans)) {
	cairo_set_source_surface (cr, SWFDEC_BITMAP_DATA (o)->surface, 0, 0);
      } else {
	cairo_surface_t *transformed = swfdec_renderer_transform (renderer,
	    SWFDEC_BITMAP_DATA (o)->surface, &ctrans);
	SWFDEC_FIXME ("unmodified pixels will be treated as -1, not as 0 as in our "
	    "transform code, but we don't know if a pixel is unmodified.");
	cairo_set_source_surface (cr, transformed, 0, 0);
	cairo_surface_destroy (transformed);
      }
      cairo_paint (cr);
    }
  } else if (SWFDEC_IS_MOVIE (o)) {
    SwfdecMovie *movie = SWFDEC_MOVIE (o);
    swfdec_movie_update (movie);
    cairo_scale (cr, 1.0 / SWFDEC_TWIPS_SCALE_FACTOR, 1.0 / SWFDEC_TWIPS_SCALE_FACTOR);
    cairo_transform (cr, &movie->inverse_matrix);
    swfdec_movie_render (movie, cr, &ctrans);
  } else {
    SWFDEC_FIXME ("BitmapData.draw() with a %s?", G_OBJECT_TYPE_NAME (o));
  }

  cairo_destroy (cr);
}