add draw function pointer to drawable

[mussa.git] / alg / drawable.hpp

diff --git a/alg/drawable.hpp b/alg/drawable.hpp
index ca6610fe06c7fda2589a19fad0520a2029d9e76b..97b01059259587015db5bda8c87ff69dc5d87d9a 100644 (file)
--- a/alg/drawable.hpp
+++ b/alg/drawable.hpp
@@ -5,6 +5,12 @@
 
 #include "color.hpp"
 
+// Nooo!!!! I'm repeating myself. 
+// Should all the'se ref typedefs go somewhere else?
+// *sigh* mutters about recursive #includes
+class SeqSpan;
+typedef boost::shared_ptr<SeqSpan> SeqSpanRef;
+
 class Drawable;
 typedef boost::shared_ptr<Drawable> DrawableRef;
 
@@ -13,14 +19,17 @@ typedef boost::shared_ptr<Drawable> DrawableRef;
  */ 
 class Drawable {
 public:
+  typedef void (*draw_func_ptr)(SeqSpanRef, void *);
+  
   Drawable() : 
-    draw_x(0), draw_y(0), draw_z(0), draw_height(0), draw_color(new Color) {}
-  Drawable(float x, float y, float z, float h, ColorRef c) :
-    draw_x(x), draw_y(y), draw_z(z), draw_height(h), draw_color(c) {}
+    draw_x(0), draw_y(0), draw_z(0), draw_height(0), draw_color(new Color), draw_func(0) {}
+  Drawable(float x, float y, float z, float h, ColorRef c, draw_func_ptr draw=0) :
+    draw_x(x), draw_y(y), draw_z(z), draw_height(h), draw_color(c), draw_func(draw) {}
   Drawable(const DrawableRef d) :
     draw_x(d->draw_x), draw_y(d->draw_y), draw_z(d->draw_z), 
     draw_height(d->draw_height),
-    draw_color(new Color(d->draw_color))
+    draw_color(new Color(d->draw_color)),
+    draw_func(d->draw_func)
   {}
     
   //! set our starting x (horizontal) coordinate
@@ -45,6 +54,9 @@ public:
   void setColor(ColorRef c) { draw_color = c; }
   //! return our draw color
   ColorRef color() { return draw_color; }
+  
+  void setDrawFunction(draw_func_ptr d) { draw_func = d; }
+  draw_func_ptr drawFunction() const { return draw_func; }
 
 protected:
   float draw_x;
@@ -52,5 +64,7 @@ protected:
   float draw_z;
   float draw_height;
   ColorRef draw_color;
+  draw_func_ptr draw_func;
+
 };
 #endif /*DRAWABLE_HPP_*/