static gboolean
gimp_operation_normal_parent_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
#if 0
/* this code tries to be smart but is in fact just a too stupid
* copy from gegl's normal mode. to fix it, it needs to take
* mask and opacity into account
*/
const GeglRectangle *in_extent = NULL;
const GeglRectangle *aux_extent = NULL;
GObject *input;
GObject *aux;
/* get the raw values this does not increase the reference count */
input = gegl_operation_context_get_object (context, "input");
aux = gegl_operation_context_get_object (context, "aux");
/* pass the input/aux buffers directly through if they are not
* overlapping
*/
if (input)
in_extent = gegl_buffer_get_abyss (GEGL_BUFFER (input));
if (! input ||
(aux && ! gegl_rectangle_intersect (NULL, in_extent, result)))
{
gegl_operation_context_set_object (context, "output", aux);
return TRUE;
}
if (aux)
aux_extent = gegl_buffer_get_abyss (GEGL_BUFFER (aux));
if (! aux ||
(input && ! gegl_rectangle_intersect (NULL, aux_extent, result)))
{
gegl_operation_context_set_object (context, "output", input);
return TRUE;
}
#endif
/* chain up, which will create the needed buffers for our actual
* process function
*/
return GEGL_OPERATION_CLASS (parent_class)->process (operation, context,
output_prop, result,
level);
}
/* Fast paths */
static gboolean operation_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
GeglOperationClass *operation_class;
gpointer input, aux;
operation_class = GEGL_OPERATION_CLASS (gegl_chant_parent_class);
/* get the raw values this does not increase the reference count */
input = gegl_operation_context_get_object (context, "input");
aux = gegl_operation_context_get_object (context, "aux");
/* pass the input/aux buffers directly through if they are alone*/
{
const GeglRectangle *in_extent = NULL;
const GeglRectangle *aux_extent = NULL;
if (input)
in_extent = gegl_buffer_get_abyss (input);
if ((!input ||
(aux && !gegl_rectangle_intersect (NULL, in_extent, result))))
{
gegl_operation_context_take_object (context, "output",
g_object_ref (aux));
return TRUE;
}
if (aux)
aux_extent = gegl_buffer_get_abyss (aux);
if (!aux ||
(input && !gegl_rectangle_intersect (NULL, aux_extent, result)))
{
gegl_operation_context_take_object (context, "output",
g_object_ref (input));
return TRUE;
}
}
/* chain up, which will create the needed buffers for our actual
* process function
*/
return operation_class->process (operation, context, output_prop, result, level);
}
static gboolean
photos_operation_svg_multiply_operation_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_pad,
const GeglRectangle *roi,
gint level)
{
GObject *aux;
GObject *input;
const GeglRectangle *aux_bbox = NULL;
const GeglRectangle *in_bbox = NULL;
gboolean ret_val = TRUE;
aux = gegl_operation_context_get_object (context, "aux");
if (aux != NULL)
aux_bbox = gegl_buffer_get_abyss (GEGL_BUFFER (aux));
input = gegl_operation_context_get_object (context, "input");
if (input != NULL)
in_bbox = gegl_buffer_get_abyss (GEGL_BUFFER (input));
if (aux == NULL || (input != NULL && !gegl_rectangle_intersect (NULL, aux_bbox, roi)))
{
gegl_operation_context_set_object (context, "output", input);
goto out;
}
if (input == NULL || (aux != NULL && !gegl_rectangle_intersect (NULL, in_bbox, roi)))
{
gegl_operation_context_set_object (context, "output", aux);
goto out;
}
ret_val = GEGL_OPERATION_CLASS (photos_operation_svg_multiply_parent_class)->process (operation,
context,
output_pad,
roi,
level);
out:
return ret_val;
}