dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

app: add a generic fast path to GimpOperationPointLayerMode 

If there is no "aux" buffer, or opacity is 0.0, pass through the input
buffer as-is.
This commit is contained in:
Michael Natterer 2013-06-12 21:08:04 +02:00
parent 4edba97932
commit 3dafeeed15
1 changed files with 51 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
app/operations/gimpoperationpointlayermode.c
View File

@ -40,21 +40,28 @@ enum
};
static void gimp_operation_point_layer_mode_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_operation_point_layer_mode_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_operation_point_layer_mode_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_operation_point_layer_mode_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_operation_point_layer_mode_prepare (GeglOperation *operation);
static void gimp_operation_point_layer_mode_prepare (GeglOperation *operation);
static gboolean gimp_operation_point_layer_mode_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level);
G_DEFINE_TYPE (GimpOperationPointLayerMode, gimp_operation_point_layer_mode,
GEGL_TYPE_OPERATION_POINT_COMPOSER3)
#define parent_class gimp_operation_point_layer_mode_parent_class
static void
gimp_operation_point_layer_mode_class_init (GimpOperationPointLayerModeClass *klass)
@ -66,6 +73,7 @@ gimp_operation_point_layer_mode_class_init (GimpOperationPointLayerModeClass *kl
object_class->get_property = gimp_operation_point_layer_mode_get_property;
operation_class->prepare = gimp_operation_point_layer_mode_prepare;
operation_class->process = gimp_operation_point_layer_mode_process;
gegl_operation_class_set_keys (operation_class,
"name", "gimp:point-layer-mode",
@ -157,3 +165,37 @@ gimp_operation_point_layer_mode_prepare (GeglOperation *operation)
gegl_operation_set_format (operation, "aux", format);
gegl_operation_set_format (operation, "aux2", babl_format ("Y float"));
}
static gboolean
gimp_operation_point_layer_mode_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
GimpOperationPointLayerMode *point;
point = GIMP_OPERATION_POINT_LAYER_MODE (operation);
if (point->opacity == 0.0 ||
! gegl_operation_context_get_object (context, "aux"))
{
GObject *input;
/* get the raw values this does not increase the reference count */
input = gegl_operation_context_get_object (context, "input");
if (input)
{
gegl_operation_context_set_object (context, "output", input);
return TRUE;
}
}
/* 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);
}