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app: add gimp_gegl_create_apply_node()

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which is simply a more general version of
gimp_gegl_create_apply_buffer_node()
This commit is contained in:
Michael Natterer 2013-04-12 14:34:20 +02:00
parent dc964956e7
commit 670fa2d670
2 changed files with 75 additions and 7 deletions
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69
app/gegl/gimp-gegl-nodes.c
View file

@ -119,15 +119,60 @@ gimp_gegl_create_apply_buffer_node (GeglBuffer *buffer,
GimpLayerModeEffects mode,
GimpComponentMask affect)
{
GeglNode *node;
GeglNode *buffer_source;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (mask == NULL || GEGL_IS_BUFFER (mask), NULL);
buffer_source = gegl_node_new_child (NULL,
"operation", "gegl:buffer-source",
"buffer", buffer,
NULL);
node = gimp_gegl_create_apply_node (buffer_source,
buffer_offset_x,
buffer_offset_y,
src_offset_x,
src_offset_y,
dest_offset_x,
dest_offset_y,
mask,
mask_offset_x,
mask_offset_y,
opacity,
mode,
affect);
gegl_node_add_child (node, buffer_source);
g_object_unref (buffer_source);
return node;
}
GeglNode *
gimp_gegl_create_apply_node (GeglNode *apply,
gint apply_offset_x,
gint apply_offset_y,
gint src_offset_x,
gint src_offset_y,
gint dest_offset_x,
gint dest_offset_y,
GeglBuffer *mask,
gint mask_offset_x,
gint mask_offset_y,
gdouble opacity,
GimpLayerModeEffects mode,
GimpComponentMask affect)
{
GeglNode *node;
GeglNode *input;
GeglNode *output;
GeglNode *buffer_source;
GeglNode *mask_source;
GeglNode *mode_node;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (GEGL_IS_NODE (apply), NULL);
g_return_val_if_fail (mask == NULL || GEGL_IS_BUFFER (mask), NULL);
node = gegl_node_new ();
@ -176,10 +221,20 @@ gimp_gegl_create_apply_buffer_node (GeglBuffer *buffer,
return node;
}
buffer_source = gimp_gegl_add_buffer_source (node, buffer,
buffer_offset_x,
buffer_offset_y);
if (apply_offset_x != 0 || apply_offset_y != 0)
{
GeglNode *translate =
gegl_node_new_child (node,
"operation", "gegl:translate",
"x", (gdouble) apply_offset_x,
"y", (gdouble) apply_offset_y,
NULL);
gegl_node_connect_to (apply, "output",
translate, "input");
apply = translate;
}
if (mask)
mask_source = gimp_gegl_add_buffer_source (node, mask,
@ -193,8 +248,8 @@ gimp_gegl_create_apply_buffer_node (GeglBuffer *buffer,
NULL);
gimp_gegl_mode_node_set (mode_node, mode, opacity, FALSE);
gegl_node_connect_to (buffer_source, "output",
mode_node, "aux");
gegl_node_connect_to (apply, "output",
mode_node, "aux");
if (mask_source)
gegl_node_connect_to (mask_source, "output",

13
app/gegl/gimp-gegl-nodes.h
View file

@ -40,6 +40,19 @@ GeglNode * gimp_gegl_create_apply_buffer_node (GeglBuffer *buffer,
gdouble opacity,
GimpLayerModeEffects mode,
GimpComponentMask affect);
GeglNode * gimp_gegl_create_apply_node (GeglNode *apply,
gint apply_offset_x,
gint apply_offset_y,
gint src_offset_x,
gint src_offset_y,
gint dest_offset_x,
gint dest_offset_y,
GeglBuffer *mask,
gint mask_offset_x,
gint mask_offset_y,
gdouble opacity,
GimpLayerModeEffects mode,
GimpComponentMask affect);
GeglNode * gimp_gegl_add_buffer_source (GeglNode *parent,
GeglBuffer *buffer,