/*[]=====================================================================[]*/
/*[]     LeadTools Run Time Library - Version 14                         []*/
/*[]                                                                     []*/
/*[]                                                                     []*/
/*[]     Copyright (c) 1991-2004 LEAD Technologies, Inc.                 []*/
/*[]     All Rights Reserved.                                            []*/
/*[]=====================================================================[]*/

#include "ImgPF.h"

static L_BOOL ImageInfo_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL ImageInfo_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL ImageInfo_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID ImageInfo_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter          (HWND hWnd);
static L_VOID L_GetChannelData       (HWND hWnd);

L_BOOL CALLBACK ImageInfDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    ImageInfo_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, ImageInfo_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    ImageInfo_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,      ImageInfo_OnTimer);

   case WM_USER_UPDATEVIEW:
      StatusProc.ProgressValue = 100;
      L_ApplyFilter(hWnd);
      break;
   }
   return FALSE;
}

L_INT GetMaxChannelLen(pBITMAPHANDLE pBitmap)
{
   if((pBitmap->BitsPerPixel == 16) && ISGRAY(pBitmap) || pBitmap->BitsPerPixel >= 48)
      return (0xffff);
   else 
      if(pBitmap->BitsPerPixel == 12)
      return (0xfff);
   else
      return (0xff);
}

static L_BOOL ImageInfo_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPINFDLGDATA pInfDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   L_INT        nRangeMax[] = {255, 255};
   L_INT        nRangeMin[] = {0,   0};
   L_INT        nPosInit [] = {0,   255};
   L_INT        nSlider;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pInfDlgData = (LPINFDLGDATA)lParam;
   MoveDialogToMiddle(hWnd);
   
   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pInfDlgData);

   pInfDlgData->uLutLength = GetMaxChannelLen(&pData->LeadBitmap);

   nRangeMax[0] = pInfDlgData->uLutLength;
   nRangeMax[1] = pInfDlgData->uLutLength;
   nPosInit [1] = pInfDlgData->uLutLength;

   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);

   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_INF_PROG);
   
   pInfDlgData->uStart       = 0; 
   pInfDlgData->uEnd         = pInfDlgData->uLutLength; 
   pInfDlgData->uChannel     = 0; 
   pInfDlgData->nSlideNum    = 2;
   pInfDlgData->nSldBaseID   = IDC_INF_STR_SLD;
   pInfDlgData->nEdtBaseID   = IDC_INF_STR_EDT;

   ComboBox_AddString(GetDlgItem(hWnd, IDC_INF_CHA_COM), TEXT("Master"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_INF_CHA_COM), TEXT("Red"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_INF_CHA_COM), TEXT("Green"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_INF_CHA_COM), TEXT("Blue"));

   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_INF_CHA_COM), 0);

   for (nSlider = 0; nSlider < pInfDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetTheRange(GetDlgItem(hWnd, pInfDlgData->nSldBaseID + nSlider), FALSE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pInfDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], FALSE);
   }

   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   L_ApplyFilter(hWnd);
   L_GetChannelData(hWnd);

   return ( TRUE );
}

static L_VOID ImageInfo_OnTimer (HWND hWnd, L_INT nID)
{
   Dialog_Timer(nID);
}

static L_BOOL ImageInfo_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPINFDLGDATA pInfDlgData;
   HWND         hWndParent;
   L_INT        nRangeMax[] = {255, 255};
   L_INT        nRangeMin[] = {0,   0};
   pCHILDDATA   pData;
   L_INT        nValue;
   L_INT        nIndex;


   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pInfDlgData = (LPINFDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   nRangeMax[1] = pInfDlgData->uLutLength;
   nRangeMax[0] = pInfDlgData->uEnd;
   nRangeMin[1] = pInfDlgData->uStart;

   if ((uCodeNotify == CBN_SELCHANGE ) && (nID == IDC_INF_CHA_COM))
   {
      pInfDlgData->uChannel = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_INF_CHA_COM));
      L_ApplyFilter(hWnd);
      L_GetChannelData(hWnd);
   }

   if (nID >= pInfDlgData->nEdtBaseID && nID < pInfDlgData->nEdtBaseID + pInfDlgData->nSlideNum)
   {
      if(uCodeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex = nID - pInfDlgData->nEdtBaseID;

         Trackbar_SetPos(GetDlgItem(hWnd, nID + pInfDlgData->nSlideNum), TRUE, nValue);

         if(nValue > nRangeMax[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMax[nIndex], TRUE);
            return FALSE;
         }

         if(nValue < nRangeMin[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMin[nIndex], TRUE);
            return FALSE;
         }
         
         switch (nIndex)
         {
         case 0:
            if(pInfDlgData->uStart == (L_UINT)nValue)
               return TRUE;
            pInfDlgData->uStart = nValue;
            break;

         case 1:
            if(pInfDlgData->uEnd == (L_UINT)nValue)
               return TRUE;
            pInfDlgData->uEnd = nValue;
            break;
         }
         L_ApplyFilter(hWnd);
      }
   }

   switch (nID)
   {
   case IDCANCEL:
   case IDOK:
      StatusProc.bProgress     = FALSE;
      StatusProc.bKillProgress = TRUE;
      StatusProc.ProgressValue = 100;
      StatusProc.bInvalidate   = TRUE;
      StatusProc.bEnd          = TRUE;
      EndDialog(hWnd, IDCANCEL - nID);
      break;
   }
   return TRUE;
}

static L_BOOL ImageInfo_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos)
{
   LPINFDLGDATA pInfDlgData = (LPINFDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pInfDlgData->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
   return TRUE;
}

L_VOID L_ApplyFilter(HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPINFDLGDATA   pInfDlgData;
   STATISTICSINFO StatisticInfo;
   L_TCHAR        cMean[10];
   L_TCHAR        cStdDiv[10];
   L_TCHAR        cPercent[10];

   if (100 != StatusProc.ProgressValue)
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }

   pInfDlgData = (LPINFDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   nRet = L_GetBitmapStatisticsInfo(&pData->LeadBitmap,
                                    &StatisticInfo,
                                     pInfDlgData->uChannel,
                                     pInfDlgData->uStart,
                                     pInfDlgData->uEnd);

   if(nRet == SUCCESS)
   {
      ConvertFloatToString(StatisticInfo.uMean   , cMean,    2);
      ConvertFloatToString(StatisticInfo.uStdDev , cStdDiv,  2);
      ConvertFloatToString(StatisticInfo.uPercent, cPercent, 2);

      SetDlgItemText(hWnd, IDC_INF_MEN_TXT, cMean);
      SetDlgItemText(hWnd, IDC_INF_STD_TXT, cStdDiv);
      SetDlgItemText(hWnd, IDC_INF_PER_TXT, cPercent);

      SetDlgItemInt(hWnd, IDC_INF_MED_TXT, StatisticInfo.uMedian,   TRUE);
      SetDlgItemInt(hWnd, IDC_INF_MAX_TXT, StatisticInfo.uMax,      TRUE);
      SetDlgItemInt(hWnd, IDC_INF_MIN_TXT, StatisticInfo.uMin,      TRUE);
      SetDlgItemInt(hWnd, IDC_INF_PCT_TXT, StatisticInfo.uPixelCnt, TRUE);
      
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE;
      }
   }
}

static L_VOID L_GetChannelData(HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPINFDLGDATA   pInfDlgData;
   STATISTICSINFO StatisticInfo;
   L_TCHAR        cMean[10];
   L_TCHAR        cStdDiv[10];

   pInfDlgData = (LPINFDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   StatusProc.bProgress = FALSE;

   nRet = L_GetBitmapStatisticsInfo(&pData->LeadBitmap,
                                    &StatisticInfo,
                                     pInfDlgData->uChannel,
                                     0,
                                     pInfDlgData->uLutLength);

   StatusProc.bProgress = TRUE;

   if(nRet == SUCCESS)
   {
      ConvertFloatToString(StatisticInfo.uMean  , cMean, 2);
      ConvertFloatToString(StatisticInfo.uStdDev, cStdDiv, 2);

      SetDlgItemText(hWnd, IDC_INF_CHN_MEN_TXT, cMean);
      SetDlgItemText(hWnd, IDC_INF_CHN_STD_TXT, cStdDiv);

      SetDlgItemInt(hWnd, IDC_INF_CHN_MED_TXT, StatisticInfo.uMedian,   TRUE);
      SetDlgItemInt(hWnd, IDC_INF_CHN_MAX_TXT, StatisticInfo.uMax,      TRUE);
      SetDlgItemInt(hWnd, IDC_INF_CHN_MIN_TXT, StatisticInfo.uMin,      TRUE);
      SetDlgItemInt(hWnd, IDC_INF_CHN_PCT_TXT, StatisticInfo.uPixelCnt, TRUE);
   }
}