move exch_xy(point) and exch_xy(pointf) to utils.c from emit.c

diff --git a/lib/common/emit.c b/lib/common/emit.c
index 239a3b1515b48a9fc5e89a6a67b9bdf0d956d11a..3858a7ed7a7a383bc1e4851074b240f7603a4064 100644 (file)
--- a/lib/common/emit.c
+++ b/lib/common/emit.c
@@ -31,27 +31,10 @@
 
 #define MAX_CODEGENS 100
 
-static char *defaultlinestyle[3] = { "solid\0", "setlinewidth\0001\0", 0 };
 int Obj;
 static attrsym_t *G_peripheries;
 
-static point exch_xy(point p)
-{
-    int t;
-    t = p.x;
-    p.x = p.y;
-    p.y = t;
-    return p;
-}
-
-static pointf exch_xyf(pointf p)
-{
-    double t;
-    t = p.x;
-    p.x = p.y;
-    p.y = t;
-    return p;
-}
+static char *defaultlinestyle[3] = { "solid\0", "setlinewidth\0001\0", 0 };
 
 /* parse_layers:
  * Split input string into tokens, with separators specified by

diff --git a/lib/common/renderprocs.h b/lib/common/renderprocs.h
index 9ec9a7f8515bc71256c33f76eccffe05ee463bfd..24406d921d67b197ed84e9ffca9080a476d9feba 100644 (file)
--- a/lib/common/renderprocs.h
+++ b/lib/common/renderprocs.h
@@ -85,6 +85,8 @@ extern "C" {
     extern void epsf_init(node_t * n);
     extern void epsf_free(node_t * n);
     extern void epsf_gencode(GVC_t * gvc, node_t * n);
+    extern point exch_xy(point p);
+    extern pointf exch_xyf(pointf p);
     extern shape_desc *find_user_shape(char *);
     extern box flip_rec_box(box b, point p);
     extern point flip_pt(point p, int rankdir);

diff --git a/lib/common/utils.c b/lib/common/utils.c
index f9782d67acc6243b2ea7acc469625dd614a69bcc..e5534ffeef54fa32f432789776ea27e45729be7c 100644 (file)
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -342,6 +342,24 @@ pointf sub_pointfs(pointf p0, pointf p1)
     return p0;
 }
 
+point exch_xy(point p)
+{
+    int t;
+    t = p.x;
+    p.x = p.y;
+    p.y = t;
+    return p;
+}
+
+pointf exch_xyf(pointf p)
+{
+    double t;
+    t = p.x;
+    p.x = p.y;
+    p.y = t;
+    return p;
+}
+
 /* from Glassner's Graphics Gems */
 #define W_DEGREE 5