guidemo_speed.c

UCOSII在STM32平台的移植

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : GUIDEMO_Speed.c
Purpose     : Speed demo
----------------------------------------------------------------------
*/

#include <stdlib.h>  /* for rand */
//#include "GUI.h"
//#include "GUIDEMO.h"
#include "..\GUIinc\GUI.h"
#include "..\uCGUIDemo\GUIDEMO.h"


static const GUI_COLOR _aColor[8] =
{
   0x000000, 0x0000FF, 0x00FF00, 0x00FFFF, 0xFF0000, 0xFF00FF, 0xFFFF00,
   0xFFFFFF
};

/*********************************************************************
*
*       GUIDEMO_Speed
*
**********************************************************************
*/

void GUIDEMO_Speed(void)
{
   int t = GUI_GetTime();
   int i = 0;
   int XSize = LCD_GET_XSIZE();
   int YSize = LCD_GET_YSIZE();
   I32 NumPixels = 0;
   U16 aColorIndex[8];
   GUIDEMO_ShowIntro("High speed",
      "Multi layer clipping"
      "\nHighly optimized drivers");
   for (i = 0; i < 8; i++)
   {
      aColorIndex[i] = GUI_Color2Index(_aColor[i]);
   }  
   for (i = 0;
      (((t + 8000) - (int) GUI_GetTime()) > 0) && !GUIDEMO_CheckCancel();
      i++)
   {
      GUI_RECT r;
      GUI_SetColorIndex(aColorIndex[i & 7]);
      /* Calculate random positions */
      r.x0 = rand() % XSize - XSize / 2;
      r.y0 = rand() % YSize - YSize / 2;
      r.x1 = r.x0 + rand() % XSize;
      r.y1 = r.y0 + rand() % YSize;
      GUI_FillRect(r.x0, r.y0, r.x1, r.y1);
      /* Clip rectangle to visible area and add the number of pixels (for speed computation) */
      if (r.x1 >= XSize)
         r.x1 = XSize - 1;
      if (r.y1 >= YSize)
         r.y1 = YSize - 1;
      if (r.x0 < 0)
         r.x0 = 0;
      if (r.y1 < 0)
         r.y1 = 0;
      NumPixels += (r.x1 - r.x0) * (r.y1 - r.y0);
      /* Allow short breaks so we do not use all available CPU time ... */
   }
   t = (GUI_GetTime() - t) / 100;
   GUI_Clear();
   GUIDEMO_NotifyStartNext();
#if GUIDEMO_LARGE
   GUI_SetFont(&GUI_FontComic24B_ASCII);
#else
   GUI_SetFont(&GUI_Font16B_ASCII);
#endif
   GUI_SetColor(GUI_WHITE);
   GUI_DispStringAt("Pixels/sec: ", 10,
      (LCD_GetYSize() - GUI_GetFontSizeY()) / 2);
   if (t == 0)
      t++;
   GUI_DispDecMin(10 * (NumPixels / t));
   GUIDEMO_Wait();
}