Add:Core:Added support for drawing rounded rectangles

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@1989 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/navit/graphics.c b/navit/navit/graphics.c
index 68af3f5..1e65786 100644 (file)
--- a/navit/navit/graphics.c
+++ b/navit/navit/graphics.c
@@ -98,6 +98,7 @@ struct displaylist {
 };
 
 
+static void draw_circle(struct point *pnt, int diameter, int scale, int start, int len, struct point *res, int *pos, int dir);
 void
 graphics_set_rect(struct graphics *gra, struct point_rect *pr)
 {
@@ -437,6 +438,28 @@ void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, str
        this_->meth.draw_rectangle(this_->priv, gc->priv, p, w, h);
 }
 
+void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill)
+{
+       struct point p[r*4+32];
+       struct point pi0={plu->x+r,plu->y+r};
+       struct point pi1={plu->x+w-r,plu->y+r};
+       struct point pi2={plu->x+w-r,plu->y+h-r};
+       struct point pi3={plu->x+r,plu->y+h-r};
+       int i=0;
+
+       draw_circle(&pi2, r*2, 0, -1, 258, p, &i, 1);
+       draw_circle(&pi1, r*2, 0, 255, 258, p, &i, 1);
+       draw_circle(&pi0, r*2, 0, 511, 258, p, &i, 1);
+       draw_circle(&pi3, r*2, 0, 767, 258, p, &i, 1);
+       p[i]=p[0];
+       i++;
+       if (fill)
+               this_->meth.draw_polygon(this_->priv, gc->priv, p, i);
+       else
+               this_->meth.draw_lines(this_->priv, gc->priv, p, i);
+}
+
+
 /**
  * FIXME
  * @param <>