guidemo_memdevb.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_MemDevB.c
Purpose     : Memory device demo
----------------------------------------------------------------------
*/

//#include "GUI.h"
//#include "GUIDEMO.h"
#include "..\GUIinc\GUI.h"
#include "..\uCGUIDemo\GUIDEMO.h"
#include "..\GUIinc\WM.h"
#include "stdio.h"

#if GUI_SUPPORT_MEMDEV

/*********************************************************************
*
*       Static data
*
**********************************************************************
*/

static const GUI_POINT _aArrow[] =
{
   {  0, 0 + 85}, { - 40, -35 + 85}, { - 10, -25 + 85}, { - 10, -85 + 85},
   { 10, -85 + 85}, { 10, -25 + 85}, { 40, -35 + 85}
};

/* Define the callback structure. The structure should contain all the data
   required by the callback drawing funtion
*/
typedef struct
{
   int Angle;
   int DoClear;
} tDrawContext;

/*********************************************************************
*
*       Static functions
*
**********************************************************************
*/

/* The user defined callback routine */
static void _Draw(void* p)
{
   int XSize = LCD_GetXSize();
   int YSize = LCD_GetYSize();
   tDrawContext* pContext = (tDrawContext*) p;
   int i = pContext->Angle;
   static int iLast = -1;
   static GUI_POINT aPoint[7];
   if (pContext->DoClear)
      GUI_Clear();
   GUI_SetFont(&GUI_FontD24x32);
   GUI_SetTextMode(GUI_TM_TRANS);
   GUI_SetColor(GUI_GRAY);
   GUI_SetFont(&GUI_FontComic18B_1);
   GUI_DispStringHCenterAt("Below arrow", XSize / 2, YSize / 2 - 20);
   if (iLast != i)
   {
      float Angle = 0.02 * (float) i;
      iLast = i;
      GUI_RotatePolygon(aPoint, _aArrow, 7, Angle);
   }
   GUI_SetColor(GUI_WHITE);
   GUI_FillPolygon(&aPoint[0], 7, XSize / 2, YSize / 2 + 30);
   GUI_SetTextMode(GUI_TM_TRANS);
   GUI_SetColor(GUI_DARKGRAY);
   GUI_SetFont(&GUI_FontComic18B_1);
   GUI_DispStringHCenterAt("Above arrow", XSize / 2, YSize / 2);
}

/*********************************************************************
*
*       GUIDEMO_ShowMemoryDevice
*
**********************************************************************
*/

void GUIDEMO_ShowMemoryDevice(void)
{
   int i, tDiff, t0;
   tDrawContext DrawContext;
   GUI_COLOR colorBack;
   GUI_RECT rView, rPrev, rTemp;
   GUIDEMO_ShowIntro("Memory devices",
      "For flicker free animation"
      "\nand other purposes");
   GUIDEMO_NotifyStartNext();
   GUI_SetBkColor(GUI_GREEN); 
   GUI_Clear();
   /* Use banding memory device  */
   GUI_GetClientRect(&rView);  
   colorBack = GUI_ColorIsAvailable(GUI_RED) ? GUI_RED : GUI_BLACK;
   GUI_SetBkColor(colorBack);
   GUI_Clear();
   t0 = GUI_GetTime();
   for (i = 0;
      tDiff = GUI_GetTime() - t0, (tDiff < 8000) && !GUIDEMO_CheckCancel();
      i++)
   {
      DrawContext.Angle = 90 + tDiff / 50;
      /* Calculate required size */
      {
         GUI_HMEM hMem = GUI_MEASDEV_Create();
         GUI_MEASDEV_Select(hMem);
         DrawContext.DoClear = 0;
         _Draw(&DrawContext);
         GUI_MEASDEV_GetRect(hMem, &rView);
         GUI_MEASDEV_Delete(hMem);
         rTemp = rView;
         if (i)
            GUI_MergeRect(&rView, &rView, &rPrev);
         rPrev = rTemp;
      }
      DrawContext.DoClear = 1;
      GUI_MEMDEV_Draw(&rView, _Draw, &DrawContext, 0, GUI_MEMDEV_NOTRANS);
   }
   GUI_SetFont(&GUI_FontComic24B_ASCII);
   GUI_SetColor(GUI_WHITE);
   GUI_DispStringAt("ms/Update: ", 10, 200);
   if (i)
   {
      GUI_DispDecMin(tDiff / i);
   }
   GUIDEMO_Delay(1000);
   GUI_Clear();
}

#else

void GUIDEMO_ShowMemoryDevice(void)
{
}

#endif /* GUI_SUPPORT_MEMDEV */