display.c

   1 /*
   2  * display.c - visualization api
   3  *
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8
   9 #include "defines.h"
  10
  11 #ifdef USE_DFB_API
  12 static IDirectFB *dfb=NULL;
  13 static IDirectFBSurface *primary_surface=NULL;
  14 static int screen_width=0;
  15 static int screen_height=0;
  16 #endif
  17
  18 int display_init(int x,int y,int z,display *display,void *cell,int *argc,char **argv)
  19 {
  20 #ifdef USE_DFB_API
  21  DFBSurfaceDescription surface_dsc;
  22  // DFBFontDescription font_dsc;
  23 #endif
  24
  25  /* store dimensions */
  26  display->max_x=x;
  27  display->max_y=y;
  28  display->max_z=z;
  29  /* store pointer to cells */
  30  display->cell_p=cell;
  31
  32  /* the api(s) */
  33 #ifdef USE_DFB_API
  34  DirectFBInit(argc,&argv);
  35  DirectFBCreate(&dfb);
  36  dfb->SetCooperativeLevel(dfb,DFSCL_FULLSCREEN);
  37  surface_dsc.flags=DSDESC_CAPS;
  38  surface_dsc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
  39  dfb->CreateSurface(dfb,&surface_dsc,&primary_surface);
  40  primary_surface->GetSize(primary_surface,&screen_width,&screen_height);
  41  display->dfb=dfb;
  42  display->primary_surface=primary_surface;
  43  display->screen_width=screen_width;
  44  display->screen_height=screen_height;
  45 #endif
  46  return 23;
  47 }
  48
  49 int display_draw(display *display,int x,int y,int z)
  50 {
  51 #ifdef USE_DFB_API
  52  int x_c,y_c;
  53  int display_faktor_x,display_faktor_y;
  54  if(((display->max_x+display->max_y+DISPLAY_X_FREE)>=display->screen_width)|
  55     ((display->max_y+display->max_z+DISPLAY_Y_FREE)>=display->screen_height))
  56  {
  57   puts("resolution too low!");
  58   return -23;
  59  }
  60  display_faktor_x=display->screen_width/(display->max_x+display->max_y);
  61  display_faktor_y=display->screen_height/(display->max_z+display->max_y);
  62  /* draw x-z surface */
  63  // for(x_c=1;x_c<=display->max_x,x_c++)
  64  // {
  65
  66
  67
  68 #endif
  69  return 23;
  70 }