hschumann2/TempleOS-Source-Code

1 2#define GRID    53 4U0 DrawMyMs(CDC *dc,I64 x,I64 y)5{6  dc->thick=1;7  dc->flags&=~(DCF_TRANSFORMATION|DCF_SYMMETRY);8  GrRect(dc,x,y,GRID,GRID);9}10 11U0 GridDemo()12{13  CGridGlbls old_grid;14  U0 (*old_draw_ms)(CDC *dc,I64 x,I64 y); //Can't init this type of var.15  MemCpy(&old_grid,&ms_grid,sizeof(CGridGlbls));16  GridInit;17  ms_grid.snap=TRUE; //You can set other stuff.18  ms_grid.x=GRID;19  ms_grid.y=GRID;20  old_draw_ms=gr.fp_draw_ms;21  gr.fp_draw_ms=&DrawMyMs;22  while (!ms.lb)  {//Left bttn to exit.23    GrPlot(,ms.pos.x,ms.pos.y);24    Yield;25  }26  DCFill;27  gr.fp_draw_ms=old_draw_ms;28  MemCpy(&ms_grid,&old_grid,sizeof(CGridGlbls));29}30 31GridDemo;32