[gegl] make ops use gegl-op.h



commit 01e107bf34bb674b8dc9a2e131d98ee5fb4507bc
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat May 17 18:08:50 2014 +0200

    make ops use gegl-op.h
    
    motion-blur-linear.c mono-mixer mirrors mblur matting-global map-relative
    map-absolute manituk06 magick-load load linear-gradient.c levels
    lends-distortion introspect

 operations/common/introspect.c         |   42 ++++++------
 operations/common/lens-distortion.c    |  101 +++++++++++++++-------------
 operations/common/levels.c             |   42 +++++++-----
 operations/common/linear-gradient.c    |   62 ++++++++++++------
 operations/common/load.c               |   32 +++++----
 operations/common/magick-load.c        |   43 +++++++------
 operations/common/mantiuk06.c          |   39 ++++++-----
 operations/common/map-absolute.c       |   17 +++--
 operations/common/map-relative.c       |   30 +++++----
 operations/common/matting-global.c     |   17 +++--
 operations/common/mblur.c              |   45 +++++++------
 operations/common/mirrors.c            |  113 +++++++++++++++++++++----------
 operations/common/mono-mixer.c         |   42 +++++++-----
 operations/common/motion-blur-linear.c |   38 ++++++-----
 14 files changed, 384 insertions(+), 279 deletions(-)
---
diff --git a/operations/common/introspect.c b/operations/common/introspect.c
index 19e0f10..8ee2c42 100644
--- a/operations/common/introspect.c
+++ b/operations/common/introspect.c
@@ -21,23 +21,25 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_object(node, _("Node"), _("GeglNode to introspect"))
+gegl_property_object(node, _("Node"),
+    "description", _("GeglNode to introspect"),
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_SOURCE
-#define GEGL_CHANT_C_FILE       "introspect.c"
+#define GEGL_OP_SOURCE
+#define GEGL_OP_C_FILE       "introspect.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include "gegl-types-internal.h"
 #include "gegl-dot.h" /* XXX: internal header file */
 #include <stdio.h>
 
 
 static void
-gegl_introspect_load_cache (GeglChantO *op_introspect)
+gegl_introspect_load_cache (GeglProperties *op_introspect)
 {
   GeglBuffer *new_buffer   = NULL;
   GeglNode   *png_load     = NULL;
@@ -47,7 +49,7 @@ gegl_introspect_load_cache (GeglChantO *op_introspect)
   gchar      *dot_filename = NULL;
   gchar      *dot_cmd      = NULL;
 
-  if (op_introspect->chant_data)
+  if (op_introspect->user_data)
     return;
 
   /* Construct temp filenames */
@@ -77,7 +79,7 @@ gegl_introspect_load_cache (GeglChantO *op_introspect)
   gegl_node_link_many (png_load, buffer_sink, NULL);
   gegl_node_process (buffer_sink);
 
-  op_introspect->chant_data= new_buffer;
+  op_introspect->user_data= new_buffer;
 
   /* Cleanup */
   g_object_unref (buffer_sink);
@@ -91,27 +93,27 @@ gegl_introspect_load_cache (GeglChantO *op_introspect)
 static void
 gegl_introspect_dispose (GObject *object)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (object);
+  GeglProperties *o = GEGL_PROPERTIES (object);
 
-  if (o->chant_data != NULL)
+  if (o->user_data != NULL)
     {
-      g_object_unref (o->chant_data);
-      o->chant_data = NULL;
+      g_object_unref (o->user_data);
+      o->user_data = NULL;
     }
 
-  G_OBJECT_CLASS (gegl_chant_parent_class)->dispose (object);
+  G_OBJECT_CLASS (gegl_op_parent_class)->dispose (object);
 }
 
 static GeglRectangle
 gegl_introspect_get_bounding_box (GeglOperation *operation)
 {
-  GeglRectangle result = {0,0,0,0};
-  GeglChantO   *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglRectangle   result = {0,0,0,0};
+  GeglProperties *o = GEGL_PROPERTIES (operation);
   gint width, height;
 
   gegl_introspect_load_cache (o);
 
-  g_object_get (o->chant_data, "width", &width,
+  g_object_get (o->user_data, "width", &width,
                                "height", &height, NULL);
 
   result.width  = width;
@@ -127,22 +129,22 @@ gegl_introspect_process (GeglOperation        *operation,
                          const GeglRectangle  *result,
                          gint                  level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties *o = GEGL_PROPERTIES (operation);
 
   gegl_introspect_load_cache (o);
 
   /* gegl_operation_context_take_object() takes the reference we have,
    * so we must increase it since we want to keep the object
    */
-  g_object_ref (o->chant_data);
+  g_object_ref (o->user_data);
 
-  gegl_operation_context_take_object (context, output_pad, G_OBJECT (o->chant_data));
+  gegl_operation_context_take_object (context, output_pad, G_OBJECT (o->user_data));
 
   return  TRUE;
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GObjectClass             *object_class;
   GeglOperationClass       *operation_class;
diff --git a/operations/common/lens-distortion.c b/operations/common/lens-distortion.c
index 40833de..cde43a9 100644
--- a/operations/common/lens-distortion.c
+++ b/operations/common/lens-distortion.c
@@ -28,42 +28,49 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double (main, _("Main"),
-                   -100.0, 100.0, 0.0,
-                   _("Amount of second-order distortion"))
-
-gegl_chant_double (edge, _("Edge"),
-                   -100.0, 100.0, 0.0,
-                   _("Amount of fourth-order distortion"))
-
-gegl_chant_double (zoom, _("Zoom"),
-                   -100.0, 100.0, 0.0,
-                   _("Rescale overall image size"))
-
-gegl_chant_double (x_shift, _("X shift"),
-                   -100.0, 100.0, 0.0,
-                   _("Effect centre offset in X"))
-
-gegl_chant_double (y_shift, _("Y shift"),
-                   -100.0, 100.0, 0.0,
-                   _("Effect centre offset in Y"))
-
-gegl_chant_double (brighten, _("Brighten"),
-                   -100.0, 100.0, 0.0,
-                   _("Adjust brightness in corners"))
-
-gegl_chant_color  (background, _("Background"),
-                   "white",
-                   _("Background color"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (main, _("Main"),
+    "description", _("Amount of second-order distortion"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_double (edge, _("Edge"),
+    "description", _("Amount of fourth-order distortion"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_double (zoom, _("Zoom"),
+    "description", _("Rescale overall image size"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_double (x_shift, _("X shift"),
+    "description", _("Effect centre offset in X"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_double (y_shift, _("Y shift"),
+    "description", _("Effect centre offset in Y"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_double (brighten, _("Brighten"),
+    "description", _("Adjust brightness in corners"),
+    "min", -100.0, "max", 100.0,
+    NULL)
+
+gegl_property_color  (background, _("Background"),
+    "description", _("Background color"),
+    "default", "white",
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE "lens-distortion.c"
+#define GEGL_OP_FILTER
+#define GEGL_OP_C_FILE "lens-distortion.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include <math.h>
 #include <stdio.h>
 
@@ -103,8 +110,8 @@ reorder (gdouble *low,
 }
 
 static LensValues
-lens_setup_calc (GeglChantO    *o,
-                 GeglRectangle  boundary)
+lens_setup_calc (GeglProperties *o,
+                 GeglRectangle   boundary)
 {
   LensValues lens;
 
@@ -153,13 +160,13 @@ get_required (GeglRectangle       *boundary,
               GeglOperation       *operation)
 {
 
-  GeglChantO    *o;
-  GeglRectangle  area;
-  LensValues     lens;
-  gdouble        x1, y1, x2, y2, x3, y3, x4, y4, mag;
-  gint           x, y, width, height;
+  GeglProperties *o;
+  GeglRectangle   area;
+  LensValues      lens;
+  gdouble         x1, y1, x2, y2, x3, y3, x4, y4, mag;
+  gint            x, y, width, height;
 
-  o = GEGL_CHANT_PROPERTIES (operation);
+  o = GEGL_PROPERTIES (operation);
 
   lens = lens_setup_calc (o, *boundary);
 
@@ -408,12 +415,12 @@ process (GeglOperation       *operation,
          const GeglRectangle *result,
          gint                 level)
 {
-  GeglChantO    *o = GEGL_CHANT_PROPERTIES (operation);
-  LensValues     lens;
-  GeglRectangle  boundary;
-  gint           i, j;
-  gfloat        *src_buf, *dst_buf;
-  gfloat         background[4];
+  GeglProperties *o = GEGL_PROPERTIES (operation);
+  LensValues      lens;
+  GeglRectangle   boundary;
+  gint            i, j;
+  gfloat         *src_buf, *dst_buf;
+  gfloat          background[4];
 
   boundary = *gegl_operation_source_get_bounding_box (operation, "input");
   lens     =  lens_setup_calc (o, boundary);
@@ -464,7 +471,7 @@ process (GeglOperation       *operation,
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
diff --git a/operations/common/levels.c b/operations/common/levels.c
index c3dd955..0e5ce22 100644
--- a/operations/common/levels.c
+++ b/operations/common/levels.c
@@ -21,23 +21,31 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double_ui (in_low, _("Low input"), -1.0, 4.0, 0.0, 0.0, 1.0, 1.0,
-                   _("Input luminance level to become lowest output"))
-gegl_chant_double_ui (in_high, _("High input"), -1.0, 4.0, 1.0, 0.0, 1.0, 1.0,
-                   _("Input luminance level to become white."))
-gegl_chant_double_ui (out_low, _("Low output"), -1.0, 4.0, 0.0, 0.0, 1.0, 1.0,
-                   _("Lowest luminance level in output"))
-gegl_chant_double_ui (out_high, _("High output"), -1.0, 4.0, 1.0, 0.0, 1.0, 1.0,
-                   _("Highest luminance level in output"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (in_low, _("Low input"),
+    "description", _("Input luminance level to become lowest output"),
+    "min", -1.0, "max", 4.0, "default", 0.0, "ui-min", 0.0, "ui-max", 1.0,
+    NULL)
+gegl_property_double (in_high, _("High input"),
+    "description", _("Input luminance level to become white"),
+    "min", -1.0, "max", 4.0, "default", 1.0, "ui-min", 0.0, "ui-max", 1.0,
+    NULL)
+gegl_property_double (out_low, _("Low output"),
+    "description", _("Lowest luminance level in output"),
+    "min", -1.0, "max", 4.0, "default", 0.0, "ui-min", 0.0, "ui-max", 1.0,
+    NULL)
+gegl_property_double (out_high, _("High output"),
+    "description", _("Highest luminance level in output"),
+    "min", -1.0, "max", 4.0, "default", 1.0, "ui-min", 0.0, "ui-max", 1.0,
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE         "levels.c"
+#define GEGL_OP_POINT_FILTER
+#define GEGL_OP_C_FILE         "levels.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 /* GeglOperationPointFilter gives us a linear buffer to operate on
  * in our requested pixel format
@@ -50,7 +58,7 @@ process (GeglOperation       *op,
          const GeglRectangle *roi,
          gint                 level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (op);
+  GeglProperties *o = GEGL_PROPERTIES (op);
   gfloat     *in_pixel;
   gfloat     *out_pixel;
   gfloat      in_range;
@@ -100,11 +108,11 @@ cl_process (GeglOperation       *op,
             const GeglRectangle *roi,
             gint                 level)
 {
-  /* Retrieve a pointer to GeglChantO structure which contains all the
+  /* Retrieve a pointer to GeglProperties structure which contains all the
    * chanted properties
    */
 
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (op);
+  GeglProperties *o = GEGL_PROPERTIES (op);
 
   gfloat      in_range;
   gfloat      out_range;
@@ -157,7 +165,7 @@ error:
 
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointFilterClass *point_filter_class;
diff --git a/operations/common/linear-gradient.c b/operations/common/linear-gradient.c
index 97072dd..3987308 100644
--- a/operations/common/linear-gradient.c
+++ b/operations/common/linear-gradient.c
@@ -20,23 +20,48 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double (start_x,      _("X1"), G_MININT, G_MAXINT, 25.0, "")
-gegl_chant_double (start_y,      _("Y1"), G_MININT, G_MAXINT, 25.0, "")
-gegl_chant_double (end_x,        _("X2"), G_MININT, G_MAXINT, 150.0, "")
-gegl_chant_double (end_y,        _("Y2"), G_MININT, G_MAXINT, 150.0, "")
-gegl_chant_color  (start_color,  _("Start Color"), "black",
-                                 _("The color at (x1, y1)"))
-gegl_chant_color  (end_color,    _("End Color"), "white",
-                                 _("The color at (x2, y2)"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (start_x, _("X1"),
+    "default", 25.0,
+    "unit", "pixel-coordinate",
+    "axis", "x",
+    NULL)
+gegl_property_double (start_y, _("Y1"),
+    "default", 25.0,
+    "unit", "pixel-coordinate",
+    "axis", "y",
+    NULL)
+
+gegl_property_double (end_x, _("X2"),
+    "default", 150.0,
+    "unit", "pixel-coordinate",
+    "axis", "x",
+    NULL)
+gegl_property_double (end_y, _("Y2"),
+    "default", 150.0,
+    "unit", "pixel-coordinate",
+    "axis", "y",
+    NULL)
+
+gegl_property_color (start_color, _("Start Color"),
+    "description", _("The color at (x1, y1)"),
+    "default", "black",
+    "role", "color-primary",
+    NULL)
+
+gegl_property_color  (end_color, _("End Color"),
+    "description", _("The color at (x2, y2)"),
+    "default", "white",
+    "role", "color-secondary",
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_POINT_RENDER
-#define GEGL_CHANT_C_FILE "linear-gradient.c"
+#define GEGL_OP_POINT_RENDER
+#define GEGL_OP_C_FILE "linear-gradient.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 #include <math.h>
 
@@ -59,12 +84,9 @@ process (GeglOperation       *operation,
          const GeglRectangle *roi,
          gint                 level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
-  gfloat     *out_pixel = out_buf;
-  gfloat      color1[4];
-  gfloat      color2[4];
-  gfloat      length;
-  gfloat      dx, dy;
+  GeglProperties *o = GEGL_PROPERTIES (operation);
+  gfloat         *out_pixel = out_buf;
+  gfloat          color1[4], color2[4], length, dx, dy;
 
   dx = o->end_x - o->start_x;
   dy = o->end_y - o->start_y;
@@ -108,7 +130,7 @@ process (GeglOperation       *operation,
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointRenderClass *point_render_class;
diff --git a/operations/common/load.c b/operations/common/load.c
index 1d1c360..f47a786 100644
--- a/operations/common/load.c
+++ b/operations/common/load.c
@@ -20,17 +20,19 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_file_path (path, _("File"), "", _("Path of file to load."))
+gegl_property_file_path (path, _("File"),
+    "description", _("Path of file to load."),
+    NULL)
 
 #else
 
-#define GEGL_CHANT_C_FILE       "load.c"
+#define GEGL_OP_C_FILE       "load.c"
 
 #include "gegl-plugin.h"
 
-struct _GeglChant
+struct _GeglOp
 {
   GeglOperationMeta parent_instance;
   gpointer          properties;
@@ -42,9 +44,9 @@ struct _GeglChant
 typedef struct
 {
   GeglOperationMetaClass parent_class;
-} GeglChantClass;
+} GeglOpClass;
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 GEGL_DEFINE_DYNAMIC_OPERATION(GEGL_TYPE_OPERATION_META)
 
 #include <stdio.h>
@@ -52,7 +54,7 @@ GEGL_DEFINE_DYNAMIC_OPERATION(GEGL_TYPE_OPERATION_META)
 static void
 do_setup (GeglOperation *operation, const gchar *new_path)
 {
-  GeglChant  *self = GEGL_CHANT (operation);
+  GeglOp  *self = GEGL_OP (operation);
 
   if (!new_path || 0 == strlen (new_path))
     {
@@ -96,8 +98,8 @@ do_setup (GeglOperation *operation, const gchar *new_path)
 
 static void attach (GeglOperation *operation)
 {
-  GeglChant  *self = GEGL_CHANT (operation);
-  GeglChantO *o    = GEGL_CHANT_PROPERTIES (operation);
+  GeglOp         *self = GEGL_OP (operation);
+  GeglProperties *o    = GEGL_PROPERTIES (operation);
 
   self->output = gegl_node_get_output_proxy (operation->node, "output");
 
@@ -117,7 +119,7 @@ detect (GeglOperation *operation,
         gint           x,
         gint           y)
 {
-  GeglChant *self = GEGL_CHANT (operation);
+  GeglOp *self = GEGL_OP (operation);
   GeglNode *output = self->output;
   GeglRectangle bounds;
 
@@ -142,9 +144,9 @@ my_set_property (GObject      *gobject,
                  const GValue *value,
                  GParamSpec   *pspec)
 {
-  GeglOperation *operation = GEGL_OPERATION (gobject);
-  GeglChant     *self = GEGL_CHANT (operation);
-  GeglChantO    *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglOperation  *operation = GEGL_OPERATION (gobject);
+  GeglOp         *self      = GEGL_OP (operation);
+  GeglProperties *o         = GEGL_PROPERTIES (operation);
 
   const gchar *new_path = g_value_get_string (value);
 
@@ -159,7 +161,7 @@ my_set_property (GObject      *gobject,
 static void
 prepare (GeglOperation *operation)
 {
-  GeglChant  *self = GEGL_CHANT (operation);
+  GeglOp  *self = GEGL_OP (operation);
   GeglOperation *op;
 
   /* forward the set BablFormat of the image loader on the meta-op itself,
@@ -171,7 +173,7 @@ prepare (GeglOperation *operation)
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GObjectClass       *object_class    = G_OBJECT_CLASS (klass);
   GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
diff --git a/operations/common/magick-load.c b/operations/common/magick-load.c
index 9664225..28293fa 100644
--- a/operations/common/magick-load.c
+++ b/operations/common/magick-load.c
@@ -21,22 +21,25 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_file_path (path, _("File"), "/tmp/gegl-logo.svg", _("Path of file to load."))
+gegl_property_file_path (path, _("File"),
+    "description", _("Path of file to load."),
+    "default", "/tmp/gegl-logo.svg",
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_SOURCE
-#define GEGL_CHANT_C_FILE       "magick-load.c"
+#define GEGL_OP_SOURCE
+#define GEGL_OP_C_FILE       "magick-load.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include <stdio.h>
 
 static void
-load_cache (GeglChantO *op_magick_load)
+load_cache (GeglProperties *op_magick_load)
 {
-  if (!op_magick_load->chant_data)
+  if (!op_magick_load->user_data)
     {
       gchar    *filename;
       gchar    *cmd;
@@ -56,7 +59,7 @@ load_cache (GeglChantO *op_magick_load)
       graph = gegl_graph (sink=gegl_node ("gegl:buffer-sink", "buffer", &newbuf, NULL,
                                           gegl_node ("gegl:png-load", "path", filename, NULL)));
       gegl_node_process (sink);
-      op_magick_load->chant_data = (gpointer) newbuf;
+      op_magick_load->user_data = (gpointer) newbuf;
       g_object_unref (graph);
       g_free (cmd);
       g_free (filename);
@@ -67,12 +70,12 @@ static GeglRectangle
 get_bounding_box (GeglOperation *operation)
 {
   GeglRectangle result = {0,0,0,0};
-  GeglChantO   *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties   *o = GEGL_PROPERTIES (operation);
   gint width, height;
 
   load_cache (o);
 
-  g_object_get (o->chant_data, "width", &width,
+  g_object_get (o->user_data, "width", &width,
                                "height", &height, NULL);
   result.width  = width;
   result.height = height;
@@ -93,28 +96,28 @@ process (GeglOperation         *operation,
          const GeglRectangle   *result,
          gint                   level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties *o = GEGL_PROPERTIES (operation);
 
-  if (!o->chant_data)
+  if (!o->user_data)
     return FALSE;
   /* overriding the predefined behavior */
-  g_object_ref (o->chant_data);
-  gegl_operation_context_take_object (context, "output", G_OBJECT (o->chant_data));
+  g_object_ref (o->user_data);
+  gegl_operation_context_take_object (context, "output", G_OBJECT (o->user_data));
   return  TRUE;
 }
 
 static void finalize (GObject *object)
 {
   GeglOperation *op = (void*) object;
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (op);
-  if (o->chant_data)
-    g_object_unref (o->chant_data);
-  o->chant_data = NULL;
-  G_OBJECT_CLASS (gegl_chant_parent_class)->finalize (object);
+  GeglProperties *o = GEGL_PROPERTIES (op);
+  if (o->user_data)
+    g_object_unref (o->user_data);
+  o->user_data = NULL;
+  G_OBJECT_CLASS (gegl_op_parent_class)->finalize (object);
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GObjectClass             *object_class;
diff --git a/operations/common/mantiuk06.c b/operations/common/mantiuk06.c
index f8a0bef..b6eab8c 100644
--- a/operations/common/mantiuk06.c
+++ b/operations/common/mantiuk06.c
@@ -26,25 +26,29 @@
 #include <math.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_double (contrast, _("Contrast"),
-                  0.0, 1.0, 0.1,
-                  _("The amount of contrast compression"))
-gegl_chant_double (saturation, _("Saturation"),
-                  0.0, 2.0, 0.8,
-                  _("Global color saturation factor"))
-gegl_chant_double (detail, _("Detail"),
-                  1.0, 99.0, 1.0,
-                  _("Level of emphasis on image gradient details"))
+gegl_property_double (contrast, _("Contrast"),
+    "description", _("The amount of contrast compression"),
+    "default", 0.1, "min", 0.0, "max", 1.0, 
+    NULL)
 
+gegl_property_double (saturation, _("Saturation"),
+    "description", _("Global color saturation factor"),
+    "default", 0.8, "min", 0.0, "max", 2.0,
+    NULL)
+
+gegl_property_double (detail, _("Detail"),
+    "description", _("Level of emphasis on image gradient details"),
+    "default", 1.0, "min", 1.0, "max", 99.0,
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE       "mantiuk06.c"
+#define GEGL_OP_FILTER
+#define GEGL_OP_C_FILE       "mantiuk06.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -1581,10 +1585,9 @@ mantiuk06_process (GeglOperation       *operation,
                    const GeglRectangle *result,
                    gint                 level)
 {
-  const GeglChantO *o          = GEGL_CHANT_PROPERTIES (operation);
-  const gint        pix_stride = 4; /* RGBA */
-  gfloat           *lum,
-                   *pix;
+  const GeglProperties *o      = GEGL_PROPERTIES (operation);
+  const gint            pix_stride = 4; /* RGBA */
+  gfloat               *lum, *pix;
 
   g_return_val_if_fail (operation, FALSE);
   g_return_val_if_fail (input, FALSE);
@@ -1618,7 +1621,7 @@ mantiuk06_process (GeglOperation       *operation,
 /*
  */
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
diff --git a/operations/common/map-absolute.c b/operations/common/map-absolute.c
index d3866d6..d2db808 100644
--- a/operations/common/map-absolute.c
+++ b/operations/common/map-absolute.c
@@ -17,19 +17,20 @@
  *
  */
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_enum (sampler_type, _("Sampler"), GeglSamplerType, gegl_sampler_type,
-                 GEGL_SAMPLER_CUBIC, _("Sampler used internally"))
+gegl_property_enum (sampler_type, _("Resampling method"),
+    GeglSamplerType, gegl_sampler_type,
+    "default", GEGL_SAMPLER_CUBIC, NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_COMPOSER
-#define GEGL_CHANT_C_FILE       "map-absolute.c"
+#define GEGL_OP_COMPOSER
+#define GEGL_OP_C_FILE       "map-absolute.c"
 
 #include "config.h"
 #include <glib/gi18n-lib.h>
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 
 static void
@@ -60,7 +61,7 @@ process (GeglOperation       *operation,
          const GeglRectangle *result,
          gint                 level)
 {
-  GeglChantO           *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties       *o = GEGL_PROPERTIES (operation);
   const Babl           *format_io, *format_coords;
   GeglSampler          *sampler;
   GeglBufferIterator   *it;
@@ -130,7 +131,7 @@ process (GeglOperation       *operation,
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass         *operation_class;
   GeglOperationComposerClass *composer_class;
diff --git a/operations/common/map-relative.c b/operations/common/map-relative.c
index 415becb..23db3ae 100644
--- a/operations/common/map-relative.c
+++ b/operations/common/map-relative.c
@@ -18,22 +18,26 @@
  */
 
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double (scaling, _("Scaling"), 0.0, 5000.0, 1.0,
-       _("scaling factor of displacement, indicates how large spatial"
-         " displacement a relative mapping value of 1.0 corresponds to."))
-gegl_chant_enum (sampler_type, _("Sampler"), GeglSamplerType, gegl_sampler_type,
-                 GEGL_SAMPLER_CUBIC, _("Sampler used internally"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (scaling, _("Scaling"),
+  "description", _("scaling factor of displacement, indicates how large spatial"
+              " displacement a relative mapping value of 1.0 corresponds to."),
+    "min", 0.0, "max", 5000.0, "default", 1.0,
+    NULL)
+gegl_property_enum (sampler_type, _("Resampling method"),
+    GeglSamplerType, gegl_sampler_type,
+    "default", GEGL_SAMPLER_CUBIC,
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_COMPOSER
-#define GEGL_CHANT_C_FILE       "map-relative.c"
+#define GEGL_OP_COMPOSER
+#define GEGL_OP_C_FILE       "map-relative.c"
 
 #include "config.h"
 #include <glib/gi18n-lib.h>
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 
 static void
@@ -64,7 +68,7 @@ process (GeglOperation       *operation,
          const GeglRectangle *result,
          gint                 level)
 {
-  GeglChantO           *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties       *o = GEGL_PROPERTIES (operation);
   const Babl           *format_io, *format_coords;
   GeglSampler          *sampler;
   GeglBufferIterator   *it;
@@ -89,7 +93,7 @@ process (GeglOperation       *operation,
           gint        n_pixels = it->length;
           gint        x = it->roi->x; /* initial x                   */
           gint        y = it->roi->y; /*           and y coordinates */
-          gdouble     scaling = GEGL_CHANT_PROPERTIES (operation)->scaling;
+          gdouble     scaling = GEGL_PROPERTIES (operation)->scaling;
           gfloat     *in = it->data[index_in];
           gfloat     *out = it->data[index_out];
           gfloat     *coords = it->data[index_coords];
@@ -139,7 +143,7 @@ process (GeglOperation       *operation,
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass         *operation_class;
   GeglOperationComposerClass *composer_class;
diff --git a/operations/common/matting-global.c b/operations/common/matting-global.c
index 332634f..e2ae589 100644
--- a/operations/common/matting-global.c
+++ b/operations/common/matting-global.c
@@ -20,17 +20,18 @@
 #include <glib/gi18n-lib.h>
 #include <math.h>
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_int (iterations, _("Iterations"), 1, G_MAXINT, 10,
-                _("Number of iterations"))
+gegl_property_int (iterations, _("Iterations"),
+    "description", _("Number of iterations"), 
+    "default", 10, "ui-max", 200, "min", 1, NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_COMPOSER
-#define GEGL_CHANT_C_FILE "matting-global.c"
+#define GEGL_OP_COMPOSER
+#define GEGL_OP_C_FILE "matting-global.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include "gegl-debug.h"
 
 #define max(a,b) \
@@ -284,7 +285,7 @@ matting_process (GeglOperation       *operation,
                  int                  level)
 {
 
-  const GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
+  const GeglProperties   *o       = GEGL_PROPERTIES (operation);
   gfloat                 *input   = NULL;
   guchar                 *trimap  = NULL;
   gfloat                 *output  = NULL;
@@ -469,7 +470,7 @@ cleanup:
   return success;
 }
 
-static void gegl_chant_class_init (GeglChantClass *klass)
+static void gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass         *operation_class;
   GeglOperationComposerClass *composer_class;
diff --git a/operations/common/mblur.c b/operations/common/mblur.c
index 2ac4b5c..ac25033 100644
--- a/operations/common/mblur.c
+++ b/operations/common/mblur.c
@@ -20,17 +20,19 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
+#ifdef GEGL_PROPERTIES
 
-gegl_chant_double (dampness, _("Dampness"), 0.0, 1.0, 0.95,
-    _("The value represents the contribution of the past to the new frame."))
+gegl_property_double (dampness, _("Dampness"),
+    "description", _("The value represents the contribution of the past to the new frame."),
+    "min", 0.0, "max", 1.0, "default", 0.95,
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE       "mblur.c"
+#define GEGL_OP_FILTER
+#define GEGL_OP_C_FILE       "mblur.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 typedef struct
 {
@@ -39,15 +41,15 @@ typedef struct
 
 
 static void
-init (GeglChantO *o)
+init (GeglProperties *o)
 {
-  Priv         *priv = (Priv*)o->chant_data;
+  Priv         *priv = (Priv*)o->user_data;
   GeglRectangle extent = {0,0,1024,1024};
 
   g_assert (priv == NULL);
 
   priv = g_new0 (Priv, 1);
-  o->chant_data = (void*) priv;
+  o->user_data = (void*) priv;
 
   priv->acc = gegl_buffer_new (&extent, babl_format ("RGBA float"));
 }
@@ -64,14 +66,14 @@ process (GeglOperation       *operation,
          const GeglRectangle *result,
          gint                 level)
 {
-  GeglChantO          *o;
-  Priv *p;
+  GeglProperties *o;
+  Priv           *p;
 
-  o   = GEGL_CHANT_PROPERTIES (operation);
-  p = (Priv*)o->chant_data;
+  o = GEGL_PROPERTIES (operation);
+  p = (Priv*)o->user_data;
   if (p == NULL)
     init (o);
-  p = (Priv*)o->chant_data;
+  p = (Priv*)o->user_data;
 
     {
       GeglBuffer *temp_in;
@@ -104,28 +106,27 @@ process (GeglOperation       *operation,
   return  TRUE;
 }
 
-
 static void
 finalize (GObject *object)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (object);
+  GeglProperties *o = GEGL_PROPERTIES (object);
 
-  if (o->chant_data)
+  if (o->user_data)
     {
-      Priv *p = (Priv*)o->chant_data;
+      Priv *p = (Priv*)o->user_data;
 
       g_object_unref (p->acc);
 
-      g_free (o->chant_data);
-      o->chant_data = NULL;
+      g_free (o->user_data);
+      o->user_data = NULL;
     }
 
-  G_OBJECT_CLASS (gegl_chant_parent_class)->finalize (object);
+  G_OBJECT_CLASS (gegl_op_parent_class)->finalize (object);
 }
 
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
diff --git a/operations/common/mirrors.c b/operations/common/mirrors.c
index d73c24f..5113bce 100644
--- a/operations/common/mirrors.c
+++ b/operations/common/mirrors.c
@@ -25,41 +25,80 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double (m_angle, _("Mirror rotation"), 0.0, 180.0, 0.0, _("Rotation applied to the mirrors"))
-
-gegl_chant_double (r_angle, _("Result rotation"), 0.0, 360.0, 0.0, _("Rotation applied to the result"))
-
-gegl_chant_int    (n_segs, _("Mirrors"), 2, 24, 6, _("Number of mirrors to use"))
-
-gegl_chant_double (c_x,  _("X offset"), 0.0, 1.0, 0.5, _("X offset of the result of mirroring"))
-
-gegl_chant_double (c_y,  _("Y offset"), 0.0, 1.0, 0.5, _("Y offset of the result of mirroring"))
-
-gegl_chant_double (o_x, _("Center X"), -1.0, 1.0, 0.0, _("X axis ratio for the center of mirroring"))
-
-gegl_chant_double (o_y, _("Center Y"), -1.0, 1.0, 0.0, _("Y axis ratio for the center of mirroring"))
-
-gegl_chant_double (trim_x, _("Trim X"), 0.0, 0.5, 0.0, _("X axis ratio for trimming mirror expanse"))
-
-gegl_chant_double (trim_y, _("Trim Y"), 0.0, 0.5, 0.0, _("Y axis ratio for trimming mirror expanse"))
-
-gegl_chant_double (input_scale, _("Zoom"), 0.1, 100.0, 100.0, _("Scale factor to make rendering size 
bigger"))
-
-gegl_chant_double (output_scale, _("Expand"), 0.0, 100.0, 1.0, _("Scale factor to make rendering size 
bigger"))
-
-gegl_chant_boolean (clip, _("Clip result"), TRUE, _("Clip result to input size"))
-
-gegl_chant_boolean (warp, _("Wrap input"), TRUE, _("Fill full output area"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (m_angle, _("Mirror rotation"),
+    "description", _("Rotation applied to the mirrors"),
+    "default", 0.0, "min", 0.0, "max", 180.0,
+    "unit", "degree",
+    NULL)
+
+gegl_property_double (r_angle, _("Result rotation"),
+    "description", _("Rotation applied to the result"),
+    "min", 0.0, "max", 360.0, "default", 0.0, 
+    "unit", "degree",
+    NULL)
+
+gegl_property_int    (n_segs, _("Mirrors"),
+    "description", _("Number of mirrors to use"),
+    "default", 6, "min", 2, "max", 24,
+    NULL)
+
+gegl_property_double (c_x, _("X offset"),
+    "description", _("X offset of the result of mirroring"),
+    "default", 0.5, "min", 0.0, "max", 1.0,
+    NULL)
+
+gegl_property_double (c_y, _("Y offset"),
+    "description", _("Y offset of the result of mirroring"),
+    "default", 0.5, "min", 0.0, "max", 1.0,
+    NULL)
+
+gegl_property_double (o_x, _("Center X"),
+    "description", _("X axis ratio for the center of mirroring"),
+    "min", -1.0, "max", 1.0,
+    NULL)
+
+gegl_property_double (o_y, _("Center Y"),
+    "description", _("Y axis ratio for the center of mirroring"),
+    "min", -1.0, "max", 1.0,
+    NULL)
+
+gegl_property_double (trim_x, _("Trim X"),
+    "description", _("X axis ratio for trimming mirror expanse"),
+    "min", 0.0, "max", 0.5,
+    NULL)
+
+gegl_property_double (trim_y, _("Trim Y"),
+    "description", _("Y axis ratio for trimming mirror expanse"),
+    "min", 0.0, "max", 0.5,
+    NULL)
+
+gegl_property_double (input_scale, _("Zoom"),
+    "description", _("Scale factor to make rendering size bigger"),
+    "default", 100.0, "min", 0.1, "max", 100.0,
+    NULL)
+
+gegl_property_double (output_scale, _("Expand"),
+    "description", _("Scale factor to make rendering size bigger"),
+    "default", 1.0, "min", 0.0, "max", 100.0,
+    NULL)
+
+gegl_property_boolean (clip, _("Clip result"),
+    "description", _("Clip result to input size"),
+    "default", TRUE, NULL)
+
+gegl_property_boolean (warp, _("Wrap input"),
+    "description", _("Fill full output area"),
+    "default", TRUE, NULL)
 
 
 #else
 
-#define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE       "mirrors.c"
+#define GEGL_OP_FILTER
+#define GEGL_OP_C_FILE       "mirrors.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 #include <math.h>
 
 #if 0
@@ -267,7 +306,7 @@ get_effective_area (GeglOperation *operation)
 {
   GeglRectangle  result = {0,0,0,0};
   GeglRectangle *in_rect = gegl_operation_source_get_bounding_box (operation, "input");
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties *o = GEGL_PROPERTIES (operation);
   gdouble xt = o->trim_x * in_rect->width;
   gdouble yt = o->trim_y * in_rect->height;
 
@@ -290,7 +329,7 @@ get_bounding_box (GeglOperation *operation)
 {
   GeglRectangle  result = {0,0,0,0};
   GeglRectangle *in_rect = gegl_operation_source_get_bounding_box (operation, "input");
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties *o = GEGL_PROPERTIES (operation);
 
   if (!in_rect){
         return result;
@@ -350,10 +389,10 @@ process (GeglOperation       *operation,
          const GeglRectangle *result,
          gint                 level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
-  GeglRectangle boundary = gegl_operation_get_bounding_box (operation);
-  GeglRectangle  eff_boundary = get_effective_area (operation);
-  const Babl *format = babl_format ("RaGaBaA float");
+  GeglProperties *o            = GEGL_PROPERTIES (operation);
+  GeglRectangle   boundary     = gegl_operation_get_bounding_box (operation);
+  GeglRectangle   eff_boundary = get_effective_area (operation);
+  const Babl     *format       = babl_format ("RaGaBaA float");
 
 #ifdef DO_NOT_USE_BUFFER_SAMPLE
  g_warning ("NOT USING BUFFER SAMPLE!");
@@ -379,7 +418,7 @@ process (GeglOperation       *operation,
 
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
diff --git a/operations/common/mono-mixer.c b/operations/common/mono-mixer.c
index a1129a3..1a4d6bb 100644
--- a/operations/common/mono-mixer.c
+++ b/operations/common/mono-mixer.c
@@ -21,26 +21,32 @@
 #include <glib/gi18n-lib.h>
 
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double_ui (red, _("Red"),
-                      -10.0, 10.0, 0.5, -1.0, 1.0, 1.0,
-                      _("Amount of red"))
-
-gegl_chant_double_ui (green, _("Green"),
-                      -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
-                      _("Amount of green"))
-
-gegl_chant_double_ui (blue, _("Blue"),
-                      -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
-                      _("Amount of blue"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (red, _("Red"),
+    "description", _("Amount of red"),
+    "default", 0.5, "min", -10.0, "max", 10.0,
+    "ui-min", -1.0, "ui-max", 1.0,
+    NULL)
+
+gegl_property_double (green, _("Green"),
+    "description", _("Amount of green"),
+    "default", 0.5, "min", -10.0, "max", 10.0,
+    "ui-min", -1.0, "ui-max", 1.0,
+    NULL)
+
+gegl_property_double (blue, _("Blue"),
+    "description", _("Amount of blue"),
+    "default", 0.5, "min", -10.0, "max", 10.0,
+    "ui-min", -1.0, "ui-max", 1.0,
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE "mono-mixer.c"
+#define GEGL_OP_POINT_FILTER
+#define GEGL_OP_C_FILE "mono-mixer.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 static void
 prepare (GeglOperation *operation)
@@ -57,7 +63,7 @@ process (GeglOperation       *op,
          const GeglRectangle *roi,
          gint                 level)
 {
-  GeglChantO *o = GEGL_CHANT_PROPERTIES (op);
+  GeglProperties *o = GEGL_PROPERTIES (op);
   gfloat      red   = o->red;
   gfloat      green = o->green;
   gfloat      blue  = o->blue;
@@ -81,7 +87,7 @@ process (GeglOperation       *op,
 #include "opencl/mono-mixer.cl.h"
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointFilterClass *point_filter_class;
diff --git a/operations/common/motion-blur-linear.c b/operations/common/motion-blur-linear.c
index 833a602..ff75645 100644
--- a/operations/common/motion-blur-linear.c
+++ b/operations/common/motion-blur-linear.c
@@ -21,28 +21,34 @@
 #include <glib/gi18n-lib.h>
 #include <math.h>
 
-#ifdef GEGL_CHANT_PROPERTIES
-
-gegl_chant_double_ui (length, _("Length"),
-                      0.0, 1000.0, 10.0, 0.0, 300.0, 1.5,
-                      _("Length of blur in pixels"))
-
-gegl_chant_double_ui (angle, _("Angle"),
-                      -360, 360, 0, -180.0, 180.0, 1.0,
-                      _("Angle of blur in degrees"))
+#ifdef GEGL_PROPERTIES
+
+gegl_property_double (length, _("Length"),
+    "description", _("Length of blur in pixels"),
+    "default", 10.0, "min", 0.0, "max", 1000.0,
+    "ui-max", 300.0, "ui-gamma", 1.5,
+    "unit", "pixel-distance",
+    NULL)
+
+gegl_property_double (angle, _("Angle"),
+    "description", _("Angle of blur in degrees"),
+    "default", 0.0, "min", -360.0, "max", 360.0,
+    "ui-min", -180.0, "ui-max", 180.0,
+    "unit", "degrees",
+    NULL)
 
 #else
 
-#define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE "motion-blur-linear.c"
+#define GEGL_OP_AREA_FILTER
+#define GEGL_OP_C_FILE "motion-blur-linear.c"
 
-#include "gegl-chant.h"
+#include "gegl-op.h"
 
 static void
 prepare (GeglOperation *operation)
 {
   GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
-  GeglChantO              *o       = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties          *o       = GEGL_PROPERTIES (operation);
 
   gdouble theta    = o->angle * G_PI / 180.0;
   gdouble offset_x = fabs (o->length * cos (theta));
@@ -132,7 +138,7 @@ cl_process (GeglOperation       *operation,
             const GeglRectangle *src_rect)
 {
   GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
-  GeglChantO              *o       = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties              *o       = GEGL_PROPERTIES (operation);
 
   const Babl *in_format  = gegl_operation_get_format (operation, "input");
   const Babl *out_format = gegl_operation_get_format (operation, "output");
@@ -201,7 +207,7 @@ process (GeglOperation       *operation,
          gint                 level)
 {
   GeglOperationAreaFilter *op_area = GEGL_OPERATION_AREA_FILTER (operation);
-  GeglChantO              *o       = GEGL_CHANT_PROPERTIES (operation);
+  GeglProperties              *o       = GEGL_PROPERTIES (operation);
   GeglRectangle            src_rect;
   gfloat                  *in_buf;
   gfloat                  *out_buf;
@@ -286,7 +292,7 @@ process (GeglOperation       *operation,
 }
 
 static void
-gegl_chant_class_init (GeglChantClass *klass)
+gegl_op_class_init (GeglOpClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;



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