static void
attach (GeglOperation *operation)
{
GeglNode *gegl, *input, *output, *add, *multiply, *subtract, *blur;
gegl = operation->node;
input = gegl_node_get_input_proxy (gegl, "input");
output = gegl_node_get_output_proxy (gegl, "output");
add = gegl_node_new_child (gegl, "operation", "gegl:add", NULL);
multiply = gegl_node_new_child (gegl, "operation", "gegl:multiply", NULL);
subtract = gegl_node_new_child (gegl, "operation", "gegl:subtract", NULL);
blur = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur", NULL);
gegl_node_link_many (input, subtract, multiply, NULL);
gegl_node_link (input, blur);
gegl_node_link_many (multiply, add, output, NULL);
gegl_node_connect_from (subtract, "aux", blur, "output");
gegl_node_connect_from (add, "aux", input, "output");
gegl_operation_meta_redirect (operation, "scale", multiply, "value");
gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-x");
gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-y");
gegl_operation_meta_watch_nodes (operation, add, multiply, subtract, blur, NULL);
}
static void attach (GeglOperation *operation)
{
GeglNode *gegl = operation->node;
GeglNode *input, *output, *subtract, *blur1, *blur2;
input = gegl_node_get_input_proxy (gegl, "input");
output = gegl_node_get_output_proxy (gegl, "output");
subtract = gegl_node_new_child (gegl,
"operation", "gegl:subtract",
NULL);
blur1 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
blur2 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
gegl_node_link_many (input, blur1, subtract, output, NULL);
gegl_node_link (input, blur2);
gegl_node_connect_from (subtract, "aux", blur2, "output");
gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-y");
gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-y");
gegl_operation_meta_watch_nodes (operation, subtract, blur1, blur2, NULL);
}
/* in attach we hook into graph adding the needed nodes */
static void
attach (GeglOperation *operation)
{
GeglNode *gegl = operation->node;
GeglNode *input, *output, *over, *translate, *opacity, *blur, *darken, *color;
GeglColor *black_color = gegl_color_new ("rgb(0.0,0.0,0.0)");
input = gegl_node_get_input_proxy (gegl, "input");
output = gegl_node_get_output_proxy (gegl, "output");
over = gegl_node_new_child (gegl, "operation", "gegl:over", NULL);
translate = gegl_node_new_child (gegl, "operation", "gegl:translate", NULL);
opacity = gegl_node_new_child (gegl, "operation", "gegl:opacity", NULL);
blur = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur",
"clip-extent", FALSE,
"abyss-policy", 0,
NULL);
darken = gegl_node_new_child (gegl, "operation", "gegl:src-in", NULL);
color = gegl_node_new_child (gegl, "operation", "gegl:color",
"value", black_color,
NULL);
g_object_unref (black_color);
gegl_node_link_many (input, darken, blur, opacity, translate, over, output,
NULL);
gegl_node_connect_from (over, "aux", input, "output");
gegl_node_connect_from (darken, "aux", color, "output");
gegl_operation_meta_redirect (operation, "radius", blur, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius", blur, "std-dev-y");
gegl_operation_meta_redirect (operation, "x", translate, "x");
gegl_operation_meta_redirect (operation, "y", translate, "y");
gegl_operation_meta_redirect (operation, "color", color, "value");
gegl_operation_meta_redirect (operation, "opacity", opacity, "value");
gegl_operation_meta_watch_nodes (operation,
over, translate, opacity,
blur, darken, color,
NULL);
}
static void attach (GeglOperation *operation)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
Priv *priv = g_new0 (Priv, 1);
o->chant_data = (void*) priv;
if (!priv->blur1)
{
GeglNode *gegl;
gegl = operation->node;
priv->input = gegl_node_get_input_proxy (gegl, "input");
priv->output = gegl_node_get_output_proxy (gegl, "output");
priv->subtract = gegl_node_new_child (gegl,
"operation", "gegl:subtract",
NULL);
priv->blur1 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
priv->blur2 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
gegl_node_link_many (priv->input, priv->blur1, priv->subtract, priv->output, NULL);
gegl_node_link (priv->input, priv->blur2);
gegl_node_connect_from (priv->subtract, "aux", priv->blur2, "output");
gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-y");
gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-y");
}
}
