[gegl] operations/core: s/_context_get_source/_context_dup_object/

[Øyvind Kolås <ok src gnome org>]

commit 7b28973d87643c256fcb42f5d9ce262f4e46dbdd
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Nov 21 19:57:36 2017 +0100

    operations/core: s/_context_get_source/_context_dup_object/

 operations/core/cast-format.c    |    2 +-
 operations/core/clone.c          |    2 +-
 operations/core/convert-format.c |    2 +-
 operations/core/crop.c           |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/operations/core/cast-format.c b/operations/core/cast-format.c
index d47e877..c144f15 100644
--- a/operations/core/cast-format.c
+++ b/operations/core/cast-format.c
@@ -77,7 +77,7 @@ process (GeglOperation        *operation,
       return FALSE;
     }
 
-  input = gegl_operation_context_get_source (context, "input");
+  input = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
   if (! input)
     {
       g_warning ("cast: received NULL input");
diff --git a/operations/core/clone.c b/operations/core/clone.c
index 9961fb2..c663ca6 100644
--- a/operations/core/clone.c
+++ b/operations/core/clone.c
@@ -82,7 +82,7 @@ process (GeglOperation        *operation,
       return FALSE;
     }
 
-  input  = gegl_operation_context_get_source (context, "input");
+  input  = (GeglBuffer*)gegl_operation_context_dup_object (context, "input");
   if (!input)
     {
       g_warning ("clone received NULL input");
diff --git a/operations/core/convert-format.c b/operations/core/convert-format.c
index 31b0c3a..b36fa34 100644
--- a/operations/core/convert-format.c
+++ b/operations/core/convert-format.c
@@ -57,7 +57,7 @@ process (GeglOperation        *operation,
   GeglBuffer *input;
   GeglBuffer *output;
 
-  input  = gegl_operation_context_get_source (context, "input");
+  input  = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
 
   if (gegl_buffer_get_format (input) != o->format)
     {
diff --git a/operations/core/crop.c b/operations/core/crop.c
index 488a004..fd0a568 100644
--- a/operations/core/crop.c
+++ b/operations/core/crop.c
@@ -151,7 +151,7 @@ gegl_crop_process (GeglOperation        *operation,
   GeglBuffer     *input;
   gboolean        success = FALSE;
 
-  input = gegl_operation_context_get_source (context, "input");
+  input = (GeglBuffer*) gegl_operation_context_dup_object (context, "input");
 
   if (input)
     {