Beispiel #1
0
/********************************************************************
*
*       _SendToPrinter
*
* Function description
*   Shows the contents of a memory device on the display
*   In "real life", this routine would send the contents of the memory
*   device to the printer.
*/
static void _SendToPrinter(GUI_MEMDEV_Handle hMem, int yOff) {
  int xSize, ySize, x, y, Offset, Bit;
  U8 * pData;
  /* Get the size of the memory device */
  xSize = GUI_MEMDEV_GetXSize(hMem);
  ySize = GUI_MEMDEV_GetYSize(hMem);
  pData = (U8 *)GUI_MEMDEV_GetDataPtr(hMem); /* Get the data pointer of the memory device */
  /* Draw the pixels of the memory device on the screen */
  for (y = 0; y < ySize; y++) {
    for (x = 0; x < xSize; x++) {
      U8 Index;
      Offset = x >> 3;
      Bit    = 7 - (x & 7);
      Index  = *(pData + Offset);
      Index &= (1 << Bit);
      /* The index could be 0 or 1, so use black and white */
      if (Index == 0 ) {
        GUI_SetColor(GUI_BLACK);
      } else {
        GUI_SetColor(GUI_WHITE);
      }
       /* Draw the pixel. At this point for example a printer output routine can be called */              
      GUI_DrawPixel(x, y + yOff);
    }
    pData += (xSize + 7) / 8;
  }
}
Beispiel #2
0
/**
  * @brief  Update the text area display
  * @param  None
  * @retval None
  */
void USER_LCD_LOG_UpdateDisplay (void)
{
  #ifndef __USER_USE_SOLID_BK_
  GUI_MEMDEV_Handle tempMem;    
  void *pbk;
  void *ptemp; 
  #endif
  uint8_t cnt = 0 ;
  uint16_t length = 0 ;
  uint16_t ptr = 0, index = 0;
  if((USER_LCD_CacheBuffer_yptr_bottom  < (USER_YWINDOW_SIZE -1)) && 
     (USER_LCD_CacheBuffer_yptr_bottom  >= USER_LCD_CacheBuffer_yptr_top))
  {
    if(u8_enable_display)
    {
      USER_LCD_LOG_DisplayStringAtLine ((USER_YWINDOW_MIN + Y0/GUI_GetFontSizeY()+ USER_LCD_CacheBuffer_yptr_bottom),
                           (char *)(USER_LCD_CacheBuffer[cnt + USER_LCD_CacheBuffer_yptr_bottom].line),
                             USER_LCD_CacheBuffer[cnt + USER_LCD_CacheBuffer_yptr_bottom].color);
    }
  }
  else
  {
    if(USER_LCD_CacheBuffer_yptr_bottom < USER_LCD_CacheBuffer_yptr_top)
    {
      /* Virtual length for rolling */
      length = USER_LCD_CACHE_DEPTH + USER_LCD_CacheBuffer_yptr_bottom ;
    }
    else
    {
      length = USER_LCD_CacheBuffer_yptr_bottom;
    }
    
    ptr = length - USER_YWINDOW_SIZE + 1;

    GUI_SetFont(&USER_LCD_LOG_TEXT_FONT);
    #ifdef __USER_USE_SOLID_BK_ 
    for  (cnt = 0 ; cnt < USER_YWINDOW_SIZE ; cnt ++)
      {        
        index = (cnt + ptr )% USER_LCD_CACHE_DEPTH ;
        if(u8_enable_display)
        {
          USER_LCD_LOG_DisplayStringAtLine ((cnt + Y0/(GUI_GetFontSizeY()) + USER_YWINDOW_MIN), 
                               (char *)(USER_LCD_CacheBuffer[index].line),
                                 USER_LCD_CacheBuffer[index].color); 
        }                       
      }
    #else 
    tempMem=GUI_MEMDEV_Create(GUI_MEMDEV_GetXPos(backgroundDisplayMem),GUI_MEMDEV_GetYPos(backgroundDisplayMem),GUI_MEMDEV_GetXSize(backgroundDisplayMem),GUI_MEMDEV_GetYSize(backgroundDisplayMem));
    if(tempMem)
    {
      pbk=GUI_MEMDEV_GetDataPtr(backgroundDisplayMem);
      ptemp=GUI_MEMDEV_GetDataPtr(tempMem);
    
      memcpy((uint8_t *)ptemp,(uint8_t *)pbk,4*GUI_MEMDEV_GetXSize(backgroundDisplayMem)*GUI_MEMDEV_GetYSize(backgroundDisplayMem));

      GUI_MEMDEV_Select(backgroundDisplayMem);
      
      for  (cnt = 0 ; cnt < USER_YWINDOW_SIZE ; cnt ++)
      {        
        index = (cnt + ptr )% USER_LCD_CACHE_DEPTH ;
        if(u8_enable_display)
        {
          USER_LCD_LOG_DisplayStringAtLine ((cnt + Y0/(GUI_GetFontSizeY()) + USER_YWINDOW_MIN), 
                               (char *)(USER_LCD_CacheBuffer[index].line),
                                 USER_LCD_CacheBuffer[index].color); 
        }                       
      }
      
      GUI_MEMDEV_CopyToLCD(backgroundDisplayMem);
      GUI_MEMDEV_Select(0);
      
      memcpy((uint8_t *)pbk,(uint8_t *)ptemp,4*GUI_MEMDEV_GetXSize(backgroundDisplayMem)*GUI_MEMDEV_GetYSize(backgroundDisplayMem));
      GUI_MEMDEV_Delete(tempMem);
      tempMem=0;
    }
    #endif
      
  }
  
}