[goffice] Cleaned GOPath API.

[Jean BrÃfort <jbrefort src gnome org>]

commit d60274d000b6ee152c9d1faa167381e7cf75be41
Author: Jean Brefort <jean brefort normalesup org>
Date:   Wed Feb 15 21:20:23 2012 +0100

    Cleaned GOPath API.

 ChangeLog               |    6 ++++++
 goffice/utils/go-path.c |   40 ++++++++++++++++++++--------------------
 goffice/utils/go-path.h |   16 ++++++++--------
 3 files changed, 34 insertions(+), 28 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 41bf9a6..b36ad34 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-15  Jean Brefort  <jean brefort normalesup org>
+
+	* goffice/utils/go-path.c (go_path_interpret), (go_path_to_cairo),
+	(go_path_copy), (go_path_append): cleaned GOPath API.
+	* goffice/utils/go-path.h: ditto.
+
 2012-02-14  Morten Welinder  <terra gnome org>
 
 	* goffice.mk (list_of_sources): Create a list of sources at each
diff --git a/goffice/utils/go-path.c b/goffice/utils/go-path.c
index cdbb33c..91e8508 100644
--- a/goffice/utils/go-path.c
+++ b/goffice/utils/go-path.c
@@ -486,10 +486,10 @@ go_path_rectangle (GOPath *path,
 void
 go_path_interpret (GOPath const		*path,
 		   GOPathDirection 	 direction,
-		   GOPathMoveToFunc 	*move_to,
-		   GOPathLineToFunc 	*line_to,
-		   GOPathCurveToFunc 	*curve_to,
-		   GOPathClosePathFunc 	*close_path,
+		   GOPathMoveToFunc 	 move_to,
+		   GOPathLineToFunc 	 line_to,
+		   GOPathCurveToFunc 	 curve_to,
+		   GOPathClosePathFunc 	 close_path,
 		   void *closure)
 {
 	GOPathDataBuffer *buffer;
@@ -513,17 +513,17 @@ go_path_interpret (GOPath const		*path,
 
 				switch (action) {
 					case GO_PATH_ACTION_MOVE_TO:
-						(*move_to) (closure, &points[0]);
+						move_to (closure, &points[0]);
 						break;
 					case GO_PATH_ACTION_LINE_TO:
-						(*line_to) (closure, &points[0]);
+						line_to (closure, &points[0]);
 						break;
 					case GO_PATH_ACTION_CURVE_TO:
-						(*curve_to) (closure, &points[0], &points[1], &points[2]);
+						curve_to (closure, &points[0], &points[1], &points[2]);
 						break;
 					case GO_PATH_ACTION_CLOSE_PATH:
 					default:
-						(*close_path) (closure);
+						close_path (closure);
 						break;
 				}
 				points += action_n_args[action];
@@ -602,10 +602,10 @@ void
 go_path_to_cairo (GOPath const *path, GOPathDirection direction, cairo_t *cr)
 {
 	go_path_interpret (path, direction,
-			   (GOPathMoveToFunc *) go_path_cairo_move_to,
-			   (GOPathLineToFunc *) go_path_cairo_line_to,
-			   (GOPathCurveToFunc *) go_path_cairo_curve_to,
-			   (GOPathClosePathFunc *) cairo_close_path, cr);
+			   (GOPathMoveToFunc) go_path_cairo_move_to,
+			   (GOPathLineToFunc) go_path_cairo_line_to,
+			   (GOPathCurveToFunc) go_path_cairo_curve_to,
+			   (GOPathClosePathFunc) cairo_close_path, cr);
 }
 
 static void
@@ -644,10 +644,10 @@ GOPath *go_path_copy (GOPath const *path)
 	GOPath *new_path = go_path_new ();
 	new_path->options = path->options;
 	go_path_interpret (path, GO_PATH_DIRECTION_FORWARD,
-			   (GOPathMoveToFunc *) go_path_append_move_to,
-			   (GOPathLineToFunc *) go_path_append_line_to,
-			   (GOPathCurveToFunc *) go_path_append_curve_to,
-			   (GOPathClosePathFunc *) go_path_append_close, new_path);
+			   (GOPathMoveToFunc) go_path_append_move_to,
+			   (GOPathLineToFunc) go_path_append_line_to,
+			   (GOPathCurveToFunc) go_path_append_curve_to,
+			   (GOPathClosePathFunc) go_path_append_close, new_path);
 	return new_path;
 }
 
@@ -662,9 +662,9 @@ GOPath *go_path_copy (GOPath const *path)
 GOPath *go_path_append (GOPath *path1, GOPath const *path2)
 {
 	go_path_interpret (path2, GO_PATH_DIRECTION_FORWARD,
-			   (GOPathMoveToFunc *) go_path_append_move_to,
-			   (GOPathLineToFunc *) go_path_append_line_to,
-			   (GOPathCurveToFunc *) go_path_append_curve_to,
-			   (GOPathClosePathFunc *) go_path_append_close, path1);
+			   (GOPathMoveToFunc) go_path_append_move_to,
+			   (GOPathLineToFunc) go_path_append_line_to,
+			   (GOPathCurveToFunc) go_path_append_curve_to,
+			   (GOPathClosePathFunc) go_path_append_close, path1);
 	return path1;
 }
diff --git a/goffice/utils/go-path.h b/goffice/utils/go-path.h
index 2a14d23..e92192c 100644
--- a/goffice/utils/go-path.h
+++ b/goffice/utils/go-path.h
@@ -51,12 +51,12 @@ typedef struct {
 	double y;
 } GOPathPoint;
 
-typedef void (GOPathMoveToFunc) 	(void *closure, GOPathPoint const *point);
-typedef void (GOPathLineToFunc) 	(void *closure, GOPathPoint const *point);
-typedef void (GOPathCurveToFunc) 	(void *closure, GOPathPoint const *point0,
+typedef void (*GOPathMoveToFunc) 	(void *closure, GOPathPoint const *point);
+typedef void (*GOPathLineToFunc) 	(void *closure, GOPathPoint const *point);
+typedef void (*GOPathCurveToFunc) 	(void *closure, GOPathPoint const *point0,
 					 		GOPathPoint const *point1,
 							GOPathPoint const *point2);
-typedef void (GOPathClosePathFunc) 	(void *closure);
+typedef void (*GOPathClosePathFunc) 	(void *closure);
 
 GType   go_path_get_type (void);
 
@@ -98,10 +98,10 @@ void	go_path_rectangle	(GOPath *path, double x, double y,
 
 void	go_path_interpret	(GOPath const *path,
 				 GOPathDirection direction,
-				 GOPathMoveToFunc *move_to,
-				 GOPathLineToFunc *line_to,
-				 GOPathCurveToFunc *curve_to,
-				 GOPathClosePathFunc *close_path,
+				 GOPathMoveToFunc move_to,
+				 GOPathLineToFunc line_to,
+				 GOPathCurveToFunc curve_to,
+				 GOPathClosePathFunc close_path,
 				 void *closure);
 
 void    go_path_to_cairo	(GOPath const *path,