text: #ifndef _DRAWER_H
  #define _DRAWER_H
  
  #include "color.h"
  #include "framebuffer.h"
  #include "graphics.h"
  
  void drawLine(FrameBuffer *fb, int x0, int y0, int x1, int y1, Color c);
  
  void drawThickLine(FrameBuffer *fb, int x0, int y0, int x1, int y1, int width,
                     Color c);
  
  void drawCircle(FrameBuffer *fb, int x0, int y0, int radius, Color c);
  
  void drawFilledCircle(FrameBuffer *fb, int x0, int y0, int radius, Color c);
  
  void drawSquare(FrameBuffer *fb, int x0, int y0, int x1, int y1, Color c);
  
  void drawMonoImage(FrameBuffer *fb, Image img, int x, int y, Color col);
  
  void fillSquareArea(FrameBuffer *fb, int x0, int y0, int x1, int y1, Color c);
  
  void drawNyanImage(FrameBuffer *fb, Image img, int x, int y, Color lineColor,
                     Color clothColor, Color skinColor);
  #endif
  