implementation: Rename delegate to fallback

At this point the chain of implementations has nothing to do with the
delegation design pattern anymore, so rename the delegate pointer to
'fallback'.

diff --git a/pixman/pixman-implementation.c b/pixman/pixman-implementation.c
index f371172e21262e60fc0db4ee8378e727f572617a..5dd05019933387a8ef449a1be03c85c8b5a0feef 100644 (file)
--- a/pixman/pixman-implementation.c
+++ b/pixman/pixman-implementation.c
@@ -28,7 +28,7 @@
 #include "pixman-private.h"
 
 pixman_implementation_t *
-_pixman_implementation_create (pixman_implementation_t *delegate,
+_pixman_implementation_create (pixman_implementation_t *fallback,
                               const pixman_fast_path_t *fast_paths)
 {
     pixman_implementation_t *imp;
@@ -41,11 +41,11 @@ _pixman_implementation_create (pixman_implementation_t *delegate,
 
        memset (imp, 0, sizeof *imp);
 
-       imp->delegate = delegate;
+       imp->fallback = fallback;
        imp->fast_paths = fast_paths;
        
-       /* Make sure the whole delegate chain has the right toplevel */
-       for (d = imp; d != NULL; d = d->delegate)
+       /* Make sure the whole fallback chain has the right toplevel */
+       for (d = imp; d != NULL; d = d->fallback)
            d->toplevel = imp;
     }
 
@@ -109,7 +109,7 @@ _pixman_implementation_lookup_composite (pixman_implementation_t  *toplevel,
        }
     }
 
-    for (imp = toplevel; imp != NULL; imp = imp->delegate)
+    for (imp = toplevel; imp != NULL; imp = imp->fallback)
     {
        const pixman_fast_path_t *info = imp->fast_paths;
 
@@ -196,7 +196,7 @@ _pixman_implementation_lookup_combiner (pixman_implementation_t *imp,
        if (f)
            return f;
 
-       imp = imp->delegate;
+       imp = imp->fallback;
     }
 
     return NULL;
@@ -227,7 +227,7 @@ _pixman_implementation_blt (pixman_implementation_t * imp,
            return TRUE;
        }
 
-       imp = imp->delegate;
+       imp = imp->fallback;
     }
 
     return FALSE;
@@ -252,7 +252,7 @@ _pixman_implementation_fill (pixman_implementation_t *imp,
            return TRUE;
        }
 
-       imp = imp->delegate;
+       imp = imp->fallback;
     }
 
     return FALSE;
@@ -284,7 +284,7 @@ _pixman_implementation_src_iter_init (pixman_implementation_t       *imp,
        if (imp->src_iter_init && (*imp->src_iter_init) (imp, iter))
            return TRUE;
 
-       imp = imp->delegate;
+       imp = imp->fallback;
     }
 
     return FALSE;
@@ -316,7 +316,7 @@ _pixman_implementation_dest_iter_init (pixman_implementation_t      *imp,
        if (imp->dest_iter_init && (*imp->dest_iter_init) (imp, iter))
            return TRUE;
 
-       imp = imp->delegate;
+       imp = imp->fallback;
     }
 
     return FALSE;

diff --git a/pixman/pixman-private.h b/pixman/pixman-private.h
index e6715084aea38bbbc389d0fac2be3ab1da25d405..b9c8319df4b78f5414c22b508abbe6f04d0d345f 100644 (file)
--- a/pixman/pixman-private.h
+++ b/pixman/pixman-private.h
@@ -466,7 +466,7 @@ typedef struct
 struct pixman_implementation_t
 {
     pixman_implementation_t *  toplevel;
-    pixman_implementation_t *  delegate;
+    pixman_implementation_t *  fallback;
     const pixman_fast_path_t * fast_paths;
 
     pixman_blt_func_t          blt;
@@ -486,7 +486,7 @@ _pixman_image_get_solid (pixman_implementation_t *imp,
                          pixman_format_code_t     format);
 
 pixman_implementation_t *
-_pixman_implementation_create (pixman_implementation_t *delegate,
+_pixman_implementation_create (pixman_implementation_t *fallback,
                               const pixman_fast_path_t *fast_paths);
 
 pixman_bool_t