[gegl] operations: added reference compositions to lens-distortion, levels, map-relative, crop, vector-fill

[Ãyvind KolÃs <ok src gnome org>]

commit a6b5d17da4b440d970a37ba2302f9a176d91dc80
Author: Ville Sokk <ville sokk gmail com>
Date:   Sat Jul 21 19:55:17 2012 +0300

    operations: added reference compositions to lens-distortion, levels, map-relative, crop, vector-fill

 operations/common/lens-distortion.c |   18 ++++++++++++++++++
 operations/common/levels.c          |   17 +++++++++++++++++
 operations/common/map-relative.c    |   17 +++++++++++++++++
 operations/core/crop.c              |   17 +++++++++++++++++
 operations/external/vector-fill.c   |   11 +++++++++++
 5 files changed, 80 insertions(+), 0 deletions(-)
---
diff --git a/operations/common/lens-distortion.c b/operations/common/lens-distortion.c
index 27e8e66..56ebb4d 100644
--- a/operations/common/lens-distortion.c
+++ b/operations/common/lens-distortion.c
@@ -306,6 +306,23 @@ gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
+  gchar                    *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gegl>"
+    "<node operation='gegl:lens-distortion'>"
+    "  <params>"
+    "    <param name='main'>100</param>"
+    "    <param name='zoom'>20</param>"
+    "    <param name='edge'>100</param>"
+    "    <param name='x-shift'>20</param>"
+    "    <param name='y-shift'>20</param>"
+    "  </params>"
+    "</node>"
+    "<node operation='gegl:load'>"
+    "  <params>"
+    "    <param name='path'>standard-input.png</param>"
+    "  </params>"
+    "</node>"
+    "</gegl>";
 
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
@@ -319,6 +336,7 @@ gegl_chant_class_init (GeglChantClass *klass)
     "name"       , "gegl:lens-distortion",
     "categories" , "blur",
     "description", _("Copies image performing lens distortion correction."),
+    "reference-composition", composition,
     NULL);
 }
 
diff --git a/operations/common/levels.c b/operations/common/levels.c
index 18f4596..2c3f9f0 100644
--- a/operations/common/levels.c
+++ b/operations/common/levels.c
@@ -167,6 +167,22 @@ gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointFilterClass *point_filter_class;
+  gchar                         *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gegl>"
+    "<node operation='gegl:levels'>"
+    "  <params>"
+    "    <param name='in-low'>0.54</param>"
+    "    <param name='in-high'>0.60</param>"
+    "    <param name='out-low'>0.57</param>"
+    "    <param name='out-high'>0.68</param>"
+    "  </params>"
+    "</node>"
+    "<node operation='gegl:load'>"
+    "  <params>"
+    "    <param name='path'>standard-input.png</param>"
+    "  </params>"
+    "</node>"
+    "</gegl>";
 
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
@@ -180,6 +196,7 @@ gegl_chant_class_init (GeglChantClass *klass)
     "name"       , "gegl:levels",
     "categories" , "color",
     "description", _("Remaps the intensity range of the image"),
+    "reference-composition", composition,
     NULL);
 }
 
diff --git a/operations/common/map-relative.c b/operations/common/map-relative.c
index 72b6cf0..415becb 100644
--- a/operations/common/map-relative.c
+++ b/operations/common/map-relative.c
@@ -143,6 +143,22 @@ gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass         *operation_class;
   GeglOperationComposerClass *composer_class;
+  gchar                      *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gegl>"
+    "<node operation='gegl:map-relative'>"
+    "  <params>"
+    "    <param name='scaling'>100</param>"
+    "  </params>"
+    "  <node operation='gegl:load'>"
+    "    <params><param name='path'>standard-aux.png</param></params>"
+    "  </node>"
+    "</node>"
+    "<node operation='gegl:load'>"
+    "  <params>"
+    "    <param name='path'>standard-input.png</param>"
+    "  </params>"
+    "</node>"
+    "</gegl>";
 
   operation_class = GEGL_OPERATION_CLASS (klass);
   composer_class  = GEGL_OPERATION_COMPOSER_CLASS (klass);
@@ -155,6 +171,7 @@ gegl_chant_class_init (GeglChantClass *klass)
     "name"       , "gegl:map-relative",
     "categories" , "transform",
     "description", _("sample input with an auxiliary buffer that contain relative source coordinates"),
+    "reference-composition", composition,
     NULL);
 }
 #endif
diff --git a/operations/core/crop.c b/operations/core/crop.c
index 35b5992..62d0b6f 100644
--- a/operations/core/crop.c
+++ b/operations/core/crop.c
@@ -164,6 +164,22 @@ static void
 gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass *operation_class;
+  gchar              *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gegl>"
+    "<node operation='gegl:crop'>"
+    "  <params>"
+    "    <param name='x'>50</param>"
+    "    <param name='y'>80</param>"
+    "    <param name='width'>70</param>"
+    "    <param name='height'>60</param>"
+    "  </params>"
+    "</node>"
+    "<node operation='gegl:load'>"
+    "  <params>"
+    "    <param name='path'>standard-input.png</param>"
+    "  </params>"
+    "</node>"
+    "</gegl>";
 
   operation_class = GEGL_OPERATION_CLASS (klass);
 
@@ -177,6 +193,7 @@ gegl_chant_class_init (GeglChantClass *klass)
       "name",        "gegl:crop",
       "categories",  "core",
       "description", _("Crop a buffer"),
+      "reference-composition", composition,
       NULL);
 
   operation_class->no_cache = TRUE;
diff --git a/operations/external/vector-fill.c b/operations/external/vector-fill.c
index 57ffeab..bd238fc 100644
--- a/operations/external/vector-fill.c
+++ b/operations/external/vector-fill.c
@@ -243,6 +243,16 @@ gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
+  gchar                    *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gegl>"
+    "<node operation='gegl:fill-path'>"
+    "  <params>"
+    "    <param name='d'>M30,4 C12,13 0,30 0,50 C0,78 23,100 50,100 C71,100 88,88 96,71"
+    "                    L56,71 C42,71 30,59 30,45 L30,4 z</param>"
+    "    <param name='color'>rgb(0.0, 0.6, 1.0)</param>"
+    "  </params>"
+    "</node>"
+    "</gegl>";
 
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
@@ -256,6 +266,7 @@ gegl_chant_class_init (GeglChantClass *klass)
     "name"       , "gegl:fill-path",
     "categories" , "render",
     "description", _("Renders a filled region"),
+    "reference-composition", composition,
     NULL);
 }