Refactor code to make rounded rectangles accessible (#553)

This adds fl_rounded_rect and fl_rounded_rectf so the
user can draw rounded rectangles. This uses existing and
optimised code that is rearranged.

1 files changed, 3 insertions, 0 deletions

diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H
index 5de983554..0f25756d6 100644
--- a/FL/Fl_Graphics_Driver.H
+++ b/FL/Fl_Graphics_Driver.H
@@ -264,6 +264,9 @@ public:
   virtual void rect(int x, int y, int w, int h);
   virtual void focus_rect(int x, int y, int w, int h);
   virtual void rectf(int x, int y, int w, int h);
+  virtual void _rbox(int fill, int x, int y, int w, int h, int r);
+  virtual void rounded_rect(int x, int y, int w, int h, int r);
+  virtual void rounded_rectf(int x, int y, int w, int h, int r);
   // the default implementation is most likely enough
   virtual void colored_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b);
   virtual void line(int x, int y, int x1, int y1);