void
gegl_cache_invalidate (GeglCache *self,
const GeglRectangle *roi)
{
gint i;
g_mutex_lock (&self->mutex);
if (roi)
{
GeglRectangle expanded = gegl_rectangle_expand (roi);
GeglRegion *temp_region;
temp_region = gegl_region_rectangle (&expanded);
for (i = 0; i < GEGL_CACHE_VALID_MIPMAPS; i++)
gegl_region_subtract (self->valid_region[i], temp_region);
gegl_region_destroy (temp_region);
g_signal_emit (self, gegl_cache_signals[INVALIDATED], 0,
roi, NULL);
}
else
{
GeglRectangle rect = { 0, 0, 0, 0 }; /* should probably be the extent of the cache */
for (i = 0; i < GEGL_CACHE_VALID_MIPMAPS; i++)
{
if (self->valid_region[i])
gegl_region_destroy (self->valid_region[i]);
self->valid_region[i] = gegl_region_new ();
}
g_signal_emit (self, gegl_cache_signals[INVALIDATED], 0,
&rect, NULL);
}
g_mutex_unlock (&self->mutex);
}
static void
node_invalidated (GeglNode *source,
const GeglRectangle *rect,
gpointer data)
{
GeglCache *cache = GEGL_CACHE (data);
GeglRectangle expanded = gegl_rectangle_expand (rect);
{
GeglRegion *region;
region = gegl_region_rectangle (&expanded);
gegl_region_subtract (cache->valid_region, region);
gegl_region_destroy (region);
}
g_mutex_lock (cache->mutex);
g_signal_emit_by_name (cache, "invalidated", &expanded, NULL);
g_mutex_unlock (cache->mutex);
}
void
gegl_cache_invalidate (GeglCache *self,
const GeglRectangle *roi)
{
#if 0
if (roi)
{
gegl_buffer_clear (GEGL_BUFFER (self), roi);
}
else
{
g_warning ("XXX: full invalidation of GeglCache NYI\n");
}
#endif
g_mutex_lock (self->mutex);
if (roi)
{
GeglRectangle expanded = gegl_rectangle_expand (roi);
GeglRegion *temp_region;
temp_region = gegl_region_rectangle (&expanded);
gegl_region_subtract (self->valid_region, temp_region);
gegl_region_destroy (temp_region);
g_signal_emit (self, gegl_cache_signals[INVALIDATED], 0,
roi, NULL);
}
else
{
GeglRectangle rect = { 0, 0, 0, 0 }; /* should probably be the extent of the cache */
if (self->valid_region)
gegl_region_destroy (self->valid_region);
self->valid_region = gegl_region_new ();
g_signal_emit (self, gegl_cache_signals[INVALIDATED], 0,
&rect, NULL);
}
g_mutex_unlock (self->mutex);
}
