src/include/wellsimpledraw.h

   1 #ifndef WELLSIMPLEDRAW_H
   2 #define WELLSIMPLEDRAW_H
   3
   4 #include "bilist.h"
   5
   6 enum Canvas { screen=0, pixmap=1 };
   7
   8 struct WPoint
   9 {
  10   int x,y;
  11   WPoint() { x=y=0;};
  12 };
  13
  14 struct DirtyRect
  15 {
  16   int delta_x,delta_y; //here is the delta between dest screen and our dirty screen
  17   int x,y;
  18   unsigned int l,h;
  19   DirtyRect() { x=y=delta_x=delta_y=0;l=h=0;};
  20   DirtyRect(int dx, int dy,
  21             int ix=0, int iy=0,
  22             unsigned int il=0, unsigned int ih=0)
  23   {
  24     delta_x=dx; delta_y=dy;
  25     x=ix; y=iy;
  26     l=il; h=ih;
  27   };
  28   int get_src_x() { return x;};
  29   int get_src_y() { return y;};
  30   int get_dest_x() { return delta_x+x;};
  31   int get_dest_y() { return delta_y+y;};
  32 };
  33
  34 typedef bilist<DirtyRect> DirtyList;
  35
  36 class WellSimpleDraw
  37 {
  38  protected:
  39   DirtyList     dirty_list;
  40   int           max_x,max_y,min_x,min_y;
  41   DirtyRect     current_dirty;
  42   int           max_dirties;
  43
  44  public:
  45   WellSimpleDraw();
  46   ~WellSimpleDraw();
  47   virtual void  new_dirty_rec(int dx=0, int dy=0);
  48   virtual void  dirty_add_xy(int,int);
  49   virtual void  dirty_add_rec(DirtyRect);
  50   virtual void  finish_dirty_rec();
  51   virtual void  clear_dirty_list();
  52   virtual void  draw_line(int x1, int y1, int x2, int y2, int color_idx,
  53                           Canvas where=screen) {};
  54   virtual void  draw_rect(int x1, int y1, unsigned int il,
  55                                  unsigned int ih, int color_idx,
  56                           Canvas where=screen) {};
  57   virtual void  fill_rect(int x1, int y1, unsigned int il,
  58                                  unsigned int ih, int color_idx,
  59                           Canvas where=screen) {};
  60   int           get_max_dirties() { return max_dirties;};
  61 };
  62
  63 #endif