[dia] [warningectomy] No more warnings from diarenderer.c for now

[Hans Breuer <hans src gnome org>]

commit cf3a5edf98a890bdb617ea05a1c05dc54e998019
Author: Hans Breuer <hans breuer org>
Date:   Sun Jun 8 18:56:15 2014 +0200

    [warningectomy] No more warnings from diarenderer.c for now
    
    diarenderer.c: In function 'draw_rounded_rect':
    diarenderer.c:860:10: warning: unused variable 'color' [-Wunused-variable]
       Color *color = fill ? fill : stroke;
              ^
    diarenderer.c:859:21: warning: unused variable 'center' [-Wunused-variable]
       Point start, end, center;
                         ^
    diarenderer.c:859:16: warning: unused variable 'end' [-Wunused-variable]
       Point start, end, center;
                    ^
    diarenderer.c:859:9: warning: unused variable 'start' [-Wunused-variable]
       Point start, end, center;
             ^
    diarenderer.c: In function 'bezier_render_fill':
    diarenderer.c:1525:10: warning: unused variable 'n' [-Wunused-variable]
       int i, n = 0;
              ^
    diarenderer.c: At top level:
    diarenderer.c:1589:1: warning: no previous prototype for 'bezier_render_fill_old' [-Wmissing-prototypes]
     bezier_render_fill_old (DiaRenderer *renderer, BezPoint *pts, int total, Color *color)
     ^
    diarenderer.c:1505:1: warning: '_find_close_point' defined but not used [-Wunused-function]
     _find_close_point (const BezPoint *pts, int n, const Point *p1)
     ^
    3 warnings generated.

 lib/diarenderer.c |   29 ++---------------------------
 1 files changed, 2 insertions(+), 27 deletions(-)
---
diff --git a/lib/diarenderer.c b/lib/diarenderer.c
index 4a83250..e2476ac 100644
--- a/lib/diarenderer.c
+++ b/lib/diarenderer.c
@@ -856,8 +856,6 @@ draw_rounded_rect (DiaRenderer *renderer,
                    Color *fill, Color *stroke, real radius) 
 {
   DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
-  Point start, end, center;
-  Color *color = fill ? fill : stroke;
   /* clip radius per axis to use the full API;) */
   real rw = MIN(radius, (lr_corner->x-ul_corner->x)/2);
   real rh = MIN(radius, (lr_corner->y-ul_corner->y)/2);
@@ -1282,11 +1280,6 @@ draw_arc_with_arrows (DiaRenderer *renderer,
   while (angle1 < 0.0) angle1 += 360.0;
   angle2 = -atan2(new_endpoint.y - center.y, new_endpoint.x - center.x)*180.0/G_PI;
   while (angle2 < 0.0) angle2 += 360.0;
-  if (righthand) {
-    real tmp = angle1;
-    angle1 = angle2;
-    angle2 = tmp;
-  }
 
   width = 2*distance_point_point(&center, startpoint);
 
@@ -1501,28 +1494,10 @@ dia_renderer_get_height_pixels (DiaRenderer *renderer)
   return DIA_RENDERER_GET_CLASS(renderer)->get_height_pixels (renderer);
 }
 
-static Point
-_find_close_point (const BezPoint *pts, int n, const Point *p1)
-{
-  int i;
-  Point p;
-  real d = G_MAXDOUBLE;
-
-  for (i = 0; i < n; ++i) {
-    Point p2 = (pts[i].type == BEZ_CURVE_TO ? pts[i].p3 : pts[i].p1);
-    real dist = distance_point_point_manhattan (&p2, p1);
-    if (dist < d) {
-      p = p2;
-      d = dist;
-    }
-  }
-  return p;
-}
-
 void
 bezier_render_fill (DiaRenderer *renderer, BezPoint *pts, int total, Color *color)
 {
-  int i, n = 0;
+  int i;
   gboolean needs_split = FALSE;
 
   for (i = 1; i < total; ++i) {
@@ -1585,7 +1560,7 @@ bezier_render_fill (DiaRenderer *renderer, BezPoint *pts, int total, Color *colo
  * \brief Helper function to fill bezier with multiple BEZ_MOVE_TO
  * \memberof DiaRenderer
  */
-void
+G_GNUC_UNUSED static void
 bezier_render_fill_old (DiaRenderer *renderer, BezPoint *pts, int total, Color *color)
 {
   int i, n = 0;