kc3-lang/freetype/demos/graph/xtest.c

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• Hash : e49ab25c
  Author :
  Date : 2000-05-16T23:44:38
  

  formatting - removed trailing spaces
  

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• demos/graph/xtest.c

• #include "graph.h"
  #include "grfont.h"  /* dispara^itra bientot */
  #include <stdio.h>
  
  
  static
  void Panic( const char*  message )
  {
    fprintf( stderr, "PANIC: %s\n", message );
    exit(1);
  }
  
  
  typedef struct grKeyName
  {
    grKey       key;
    const char* name;
  
  } grKeyName;
  
  
  static
  const grKeyName  key_names[] =
  {
    { grKeyF1,   "F1"  },
    { grKeyF2,   "F2"  },
    { grKeyF3,   "F3"  },
    { grKeyF4,   "F4"  },
    { grKeyF5,   "F5"  },
    { grKeyF6,   "F6"  },
    { grKeyF7,   "F7"  },
    { grKeyF8,   "F8"  },
    { grKeyF9,   "F9"  },
    { grKeyF10,  "F10" },
    { grKeyF11,  "F11" },
    { grKeyF12,  "F12" },
    { grKeyEsc,  "Esc" },
    { grKeyHome, "Home" },
    { grKeyEnd,  "End"  },
  
    { grKeyPageUp,   "Page_Up" },
    { grKeyPageDown, "Page_Down" },
    { grKeyLeft,     "Left" },
    { grKeyRight,    "Right" },
    { grKeyUp,       "Up" },
    { grKeyDown,     "Down" },
    { grKeyBackSpace, "BackSpace" },
    { grKeyReturn,   "Return" }
  };
  
  int  main( void )
  {
    grSurface*  surface;
    int         n;
  
    grInit();
    surface = grNewScreenSurface( 0, gr_pixel_mode_gray, 320, 400, 128 );
    if (!surface)
      Panic("Could not create window\n" );
    else
    {
      grColor      color;
      grEvent      event;
      const char*  string;
      int          x;
  
      grSetSurfaceRefresh( surface, 1 );
      grSetTitle(surface,"X11 driver demonstration" );
  
      for ( x = -10; x < 10; x++ )
      {
        for ( n = 0; n < 128; n++ )
        {
          color.value = (n*3) & 127;
          grWriteCellChar( surface,
                           x + ((n % 60) << 3),
                           80 + (x+10)*8*3 + ((n/60) << 3), n, color );
        }
  
      }
      color.value = 64;
      grWriteCellString( surface, 0, 0, "just an example", color );
  
      do
      {
        grListenSurface( surface, 0, &event);
  
        /* return if ESC was pressed */
        if ( event.key == grKeyEsc )
          return 0;
  
        /* otherwise, display key string */
        color.value = (color.value + 8) & 127;
        {
          int         count = sizeof(key_names)/sizeof(key_names[0]);
          grKeyName*  name  = (grKeyName*)key_names;
          grKeyName*  limit = name + count;
          const char* kname  = 0;
          char        kname_temp[16];
  
          while (name < limit)
          {
            if ( name->key == event.key )
            {
              kname = (const char*)name->name;
              break;
            }
            name++;
          }
  
          if (!kname)
          {
            sprintf( kname_temp, "char '%c'", (char)event.key );
            kname = kname_temp;
          }
  
          grWriteCellString( surface, 30, 30, kname, color );
          grRefreshSurface(surface);
        }
      } while (1);
    }
  
    return 0;
  }
  
  

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