[gegl] image-gradient: propagate space

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 09c6cfcc3638653a276ea018014c76d6c791bf60
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Jul 5 23:06:04 2018 +0200

    image-gradient: propagate space

 operations/common/image-gradient.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/operations/common/image-gradient.c b/operations/common/image-gradient.c
index 175612b95..943347c29 100644
--- a/operations/common/image-gradient.c
+++ b/operations/common/image-gradient.c
@@ -48,9 +48,10 @@ property_enum (output_mode, _("Output mode"),
 static void
 prepare (GeglOperation *operation)
 {
+  const Babl *space = gegl_operation_get_source_space (operation, "input");
   GeglOperationAreaFilter *area       = GEGL_OPERATION_AREA_FILTER (operation);
   GeglProperties          *o          = GEGL_PROPERTIES (operation);
-  const Babl              *rgb_format = babl_format ("R'G'B' float");
+  const Babl              *rgb_format = babl_format_with_space ("R'G'B' float", space);
   const Babl              *out_format = babl_format_n (babl_type ("float"), 2);
 
   area->left   =
@@ -91,7 +92,7 @@ process (GeglOperation       *operation,
          gint                 level)
 {
   GeglProperties  *o          = GEGL_PROPERTIES (operation);
-  const Babl      *in_format  = babl_format ("R'G'B' float");
+  const Babl      *in_format  = gegl_operation_get_format (operation, "input");
   const Babl      *out_format = gegl_operation_get_format (operation, "output");
   gfloat *row1;
   gfloat *row2;