Drawer.h

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#pragma once
 
#include <stack>
 
#include "bwRectangle.h"
 
namespace bWidgets {
 
class bwStyle;
 
namespace bwScreenGraph {
class ScreenGraph;
class Node;
 
class Drawer {
 public:
  static void draw(ScreenGraph& screen_graph, bwStyle& style);
  static void drawSubtree(Node& subtree_root, bwStyle& style);
 
 private:
  Drawer(bwStyle& style);
 
  void drawSubtreeRecursive(Node& subtree_root);
  void drawNode(Node& node);
  void pushMask(const Node& node);
  void popMask();
 
  bwStyle& style;
  std::stack<bwRectanglePixel> maskrect_stack;
};
 
}  // namespace bwScreenGraph
}  // namespace bWidgets