gegl r2652 - in trunk: . operations/common

[martinn svn gnome org]

Author: martinn
Date: Mon Oct 20 21:24:54 2008
New Revision: 2652
URL: http://svn.gnome.org/viewvc/gegl?rev=2652&view=rev

Log:
* operations/common/introspect.c: Adapt it so that it is
attachable to the GEGL bin graph without crashing (still doesn't
work though).


Modified:
   trunk/ChangeLog
   trunk/operations/common/introspect.c

Modified: trunk/operations/common/introspect.c
==============================================================================
--- trunk/operations/common/introspect.c	(original)
+++ trunk/operations/common/introspect.c	Mon Oct 20 21:24:54 2008
@@ -35,6 +35,31 @@
 #include <stdio.h>
 #include <string.h>
 
+
+enum
+{
+  PROP_INPUT = PROP_LAST + 1,
+  PROP_AUX,
+  PROP_OUTPUT,
+};
+
+
+static void
+introspect_get_property (GObject    *object,
+                         guint       prop_id,
+                         GValue     *value,
+                         GParamSpec *pspec)
+{
+}
+
+static void
+introspect_set_property (GObject      *object,
+                         guint         prop_id,
+                         const GValue *value,
+                         GParamSpec   *pspec)
+{
+}
+
 static GeglRectangle
 get_bounding_box (GeglOperation *operation)
 {
@@ -51,6 +76,35 @@
   return result;
 }
 
+static void
+attach (GeglOperation *operation)
+{
+  GObjectClass *object_class = G_OBJECT_GET_CLASS (operation);
+
+  gegl_operation_create_pad (operation,
+                             g_object_class_find_property (object_class,
+                                                           "input"));
+  gegl_operation_create_pad (operation,
+                             g_object_class_find_property (object_class,
+                                                           "aux"));
+  gegl_operation_create_pad (operation,
+                             g_object_class_find_property (object_class,
+                                                           "output"));
+}
+
+static void
+prepare (GeglOperation *operation)
+{
+  GeglNode   *node = gegl_operation_get_source_node (operation, "input");
+  GeglChantO *o    = GEGL_CHANT_PROPERTIES (operation);
+
+  if (o->node)
+    g_object_unref (o->node);
+
+  g_object_ref (node);
+  o->node = G_OBJECT (node);
+}
+
 static gboolean
 process (GeglOperation       *operation,
          GeglOperationContext     *context,
@@ -90,11 +144,14 @@
 
       o->buf = gegl_buffer_new (&defined, babl_format ("R'G'B' u8"));
 
+      /* FIXME
       buffer_save = gegl_node_new_child (gegl, "operation", "gegl:save-buffer", "buffer", o->buf, NULL);
       gegl_node_link_many (png_load, buffer_save, NULL);
 
       gegl_node_process (buffer_save);
       g_object_unref (gegl);
+      */
+
       system ("rm /tmp/gegl-temp.*");
     }
 
@@ -112,18 +169,49 @@
 static void
 gegl_chant_class_init (GeglChantClass *klass)
 {
+  GObjectClass             *object_class;
   GeglOperationClass       *operation_class;
   GeglOperationSourceClass *source_class;
 
+  object_class    = G_OBJECT_CLASS (klass);
   operation_class = GEGL_OPERATION_CLASS (klass);
   source_class    = GEGL_OPERATION_SOURCE_CLASS (klass);
 
+  object_class->set_property = introspect_set_property;
+  object_class->get_property = introspect_get_property;
+
+  operation_class->attach  = attach;
+  operation_class->prepare = prepare;
   operation_class->process = process;
   operation_class->get_bounding_box = get_bounding_box;
 
   operation_class->name        = "gegl:introspect";
   operation_class->categories  = "render";
   operation_class->description = _("GEGL graph visualizer.");
+
+  g_object_class_install_property (object_class, PROP_INPUT,
+                                   g_param_spec_object ("input",
+                                                        "Input",
+                                                        "Input pad, graph of input becomes rendered.",
+                                                        GEGL_TYPE_BUFFER,
+                                                        G_PARAM_READWRITE |
+                                                        GEGL_PARAM_PAD_INPUT));
+
+  g_object_class_install_property (object_class, PROP_INPUT,
+                                   g_param_spec_object ("aux",
+                                                        "Aux",
+                                                        "Dummy.",
+                                                        GEGL_TYPE_BUFFER,
+                                                        G_PARAM_READWRITE |
+                                                        GEGL_PARAM_PAD_INPUT));
+
+  g_object_class_install_property (object_class, PROP_INPUT,
+                                   g_param_spec_object ("output",
+                                                        "Output",
+                                                        "Rendered result of intropection.",
+                                                        GEGL_TYPE_BUFFER,
+                                                        G_PARAM_READWRITE |
+                                                        GEGL_PARAM_PAD_OUTPUT));
 }
 
 #endif