[gegl] ripple: allow to choose the sampler

[Michael Murà <mmure src gnome org>]

commit aace9a86762fcb2623c650f44f8b61ca6255a762
Author: Michael Murà <batolettre gmail com>
Date:   Sun Sep 4 18:47:51 2011 +0200

    ripple: allow to choose the sampler

 operations/workshop/ripple.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/operations/workshop/ripple.c b/operations/workshop/ripple.c
index 86ea00f..d40d296 100644
--- a/operations/workshop/ripple.c
+++ b/operations/workshop/ripple.c
@@ -36,6 +36,9 @@ gegl_chant_double (phi, _("Phase shift"), -1.0, 1.0, 0.0,
 gegl_chant_double (angle, _("Angle"), -180.0, 180.0, 0.0,
                    _("Angle in degree"))
 
+gegl_chant_enum (sampler_type, _("Sampler"), GeglSamplerType, GEGL_TYPE_SAMPLER_TYPE,
+                 GEGL_SAMPLER_CUBIC, _("Sampler used internaly"))
+
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
@@ -79,10 +82,9 @@ process (GeglOperation       *operation,
 
   gfloat *out_pixel = dst_buf;
 
-  GeglSamplerType  sampler_type = gegl_sampler_type_from_string ("cubic");
-  GeglSampler     *sampler = gegl_buffer_sampler_new (input,
-                                                      babl_format ("RGBA float"),
-                                                      sampler_type);
+  GeglSampler *sampler = gegl_buffer_sampler_new (input,
+                                                  babl_format ("RGBA float"),
+                                                  o->sampler_type);
 
   gint n_pixels = result->width * result->height;