Update bevel.c

Author: LinuxBeaver

GEGL_EFFECTS/compile_bevel_here/bevel.c

@@ -14,20 +14,38 @@
  * License along with GEGL; if not, see <https://www.gnu.org/licenses/>.
  *
  * Copyright 2006 Øyvind Kolås <pippin@gimp.org>
+ * 2022 Beaver (GEGL Bevel) 
  */
 
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
 #ifdef GEGL_PROPERTIES
 
+property_boolean (effectsswitchbevel, _("Enable Bevel (FOR GEGL EFFECTS ONLY)"), TRUE)
+  description    (_("This switch exist for GEGL Effects testing. You won't find it in stand alone bevel'"))
+    ui_meta     ("role", "output-extent")
 
+property_boolean (embossmode, _("Emboss Mode (use Gimp's layer Grain Merge blend mode)"), FALSE)
+  description    (_("Make an embossed bevel'"))
 
-property_double (radius1, _("Radius"), 7.0)
+
+
+
+
+
+
+
+property_double (radius1, _("Radius Normal Bevel"), 7.0)
   value_range (1.0, 40.0)
   ui_range (1.0, 12)
   ui_gamma (1.5)
 
+property_int (radius2, _("Radius Sharp Bevel"), 0)
+   description(_("Box Blur -0 means disabled by default"))
+   value_range (0, 8)
+   ui_range    (0, 8)
+   ui_gamma   (1.5)
 
 
 property_double (bevel1, _("Depth Angle"), 90.0)
@@ -59,10 +77,23 @@ property_double (azimuth, _("Rotate Lighting"), 40.0)
 
 #include "gegl-op.h"
 
+
+typedef struct
+{
+  GeglNode *input;
+  GeglNode *blur;
+  GeglNode *boxblur;
+  GeglNode *emb;
+  GeglNode *th;
+  GeglNode *output;
+} State; 
+
+
 static void attach (GeglOperation *operation)
 {
   GeglNode *gegl = operation->node;
-  GeglNode *input, *output, *blur, *emb, *th;
+  GeglProperties *o = GEGL_PROPERTIES (operation);
+  GeglNode *input, *output, *boxblur, *blur, *emb, *th;
 
   input    = gegl_node_get_input_proxy (gegl, "input");
   output   = gegl_node_get_output_proxy (gegl, "output");
@@ -71,6 +102,12 @@ static void attach (GeglOperation *operation)
                                   "operation", "gegl:gaussian-blur",
                                   NULL);
 
+   boxblur = gegl_node_new_child (gegl,
+                                  "operation", "gegl:box-blur",
+                                  NULL);
+
+
+
 
  emb   = gegl_node_new_child (gegl,
                                   "operation", "gegl:emboss",
@@ -82,40 +119,72 @@ static void attach (GeglOperation *operation)
 
 
 
-  gegl_node_link_many (input, blur, emb, th, output, NULL);
-
+  gegl_node_link_many (input, blur, boxblur, emb, th, output, NULL);
   gegl_operation_meta_redirect (operation, "radius1", blur, "std-dev-x");
   gegl_operation_meta_redirect (operation, "radius1", blur, "std-dev-y");
-
-  gegl_operation_meta_redirect (operation, "bevelhidden", emb, "");
-
   gegl_operation_meta_redirect (operation, "bevel1", emb, "elevation");
-
   gegl_operation_meta_redirect (operation, "bevel2", emb, "depth");
-
   gegl_operation_meta_redirect (operation, "azimuth", emb, "azimuth");
+  gegl_operation_meta_redirect (operation, "radius2", boxblur, "radius");
+  gegl_operation_meta_redirect (operation, "th", th, "value");
 
 
-  gegl_operation_meta_redirect (operation, "th", th, "value");
 
 
+ /* Now save points to the various gegl nodes so we can rewire them in
+   * update_graph() later
+   */
+  State *state = g_malloc0 (sizeof (State));
+  state->input = input;
+  state->blur = blur;
+  state->boxblur = boxblur;
+  state->emb = emb;
+  state->th = th;
+  state->output = output;
+  o->user_data = state;
 }
 
 static void
-gegl_op_class_init (GeglOpClass *klass)
+update_graph (GeglOperation *operation)
 {
-  GeglOperationClass *operation_class;
+  GeglProperties *o = GEGL_PROPERTIES (operation);
+  State *state = o->user_data;
+  if (!state) return;
+
+  if (o->effectsswitchbevel)
+  if (o->embossmode)
+  {
+    gegl_node_link_many (state->blur, state->boxblur,  state->emb, state->output, NULL);
+  }
+else
+  {
+    gegl_node_link_many (state->blur, state->boxblur,  state->emb, state->th, state->output, NULL);
+  }
+else
+  {
+    gegl_node_link_many (state->input,  state->output, NULL);
+  }
+}
 
-  operation_class = GEGL_OPERATION_CLASS (klass);
+
+
+
+
+static void
+gegl_op_class_init (GeglOpClass *klass)
+{
+  GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+   GeglOperationMetaClass *operation_meta_class = GEGL_OPERATION_META_CLASS (klass);
 
   operation_class->attach = attach;
+  operation_meta_class->update = update_graph;
 
   gegl_operation_class_set_keys (operation_class,
     "name",        "gegl:bevel",
     "title",       _("Bevel"),
     "categories",  "Aristic",
     "reference-hash", "45ed5656a28a512570f0f25sb2ac",
-    "description", _("Bevel Images using GEGL.  Use the multiply blend mode "
+    "description", _("You are expected to use GEGL or Gimp blend modes with this plugin. Works best with blend modes multiply and grain merge. Emboss mode requires non-GEGL Gimp  blend modes"
                      ""),
     NULL);
 }