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

#include "ImgPF.h"

static L_BOOL LclEqlDlg_OnInitDialog   (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID LclEqlDlg_OnCommand      (HWND hWnd, L_INT nID, HWND hWndCtl, UINT CodeNotify);
static L_VOID LclEqlDlg_OnHScroll      (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos);
static L_VOID LclEqlDlg_OnTimer        (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter            (HWND hWnd);


L_BOOL CALLBACK LclEqlWndProc(HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG(hWnd, WM_INITDIALOG,  LclEqlDlg_OnInitDialog);
      HANDLE_MSG(hWnd, WM_COMMAND,     LclEqlDlg_OnCommand);
      HANDLE_MSG(hWnd, WM_HSCROLL,     LclEqlDlg_OnHScroll);
      HANDLE_MSG(hWnd, WM_TIMER,       LclEqlDlg_OnTimer);

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

static L_BOOL LclEqlDlg_OnInitDialog(HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   HWND         hListBox;
   LPLCLEQLDATA pLclEqlDlgData;
   pCHILDDATA   pData;
   HWND         hWndParent;
   L_INT        nSlider;
   L_INT        nRangeMax[] = { 200, 200, 200, 200, 7};
   L_INT        nRangeMin[] = { 1,   1,   0,   0,   0};
   L_INT        nPosInit [] = { 200, 200, 0,   0,   0};
   RECT         rcRgn;

   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA(hWndParent);
   pLclEqlDlgData = (LPLCLEQLDATA)lParam;
   MoveDialogToMiddle(hWnd);

   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_LEQ_PROG);

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

   L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRgn);
   nRangeMax[0] = rcRgn.right - rcRgn.left;
   nRangeMax[1] = rcRgn.bottom - rcRgn.top;
   nRangeMax[2] = rcRgn.right - rcRgn.left;
   nRangeMax[3] = rcRgn.bottom - rcRgn.top;
   nPosInit[0]  = rcRgn.right - rcRgn.left;
   nPosInit[1]  = rcRgn.bottom - rcRgn.top;

   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pLclEqlDlgData->LeadBitmap);

   pLclEqlDlgData->nSldBaseID = IDC_LEQ_WDT_SLD;
   pLclEqlDlgData->nEdtBaseID = IDC_LEQ_WDT_EDT;
   pLclEqlDlgData->nSlideNum  = 5;
   hListBox   = (HWND) GetDlgItem(hWnd, IDC_LEQ_CSP_COM);

   ComboBox_InsertString (hListBox, 0, TEXT("RGB"));
   ComboBox_InsertString (hListBox, 1, TEXT("YUV"));
   ComboBox_InsertString (hListBox, 2, TEXT("GRAY"));


   pLclEqlDlgData->uHeight = rcRgn.bottom - rcRgn.top;
   pLclEqlDlgData->uWidth  = rcRgn.right - rcRgn.left; 
   pLclEqlDlgData->uSmooth = 0;
   pLclEqlDlgData->uXDest  = 0;
   pLclEqlDlgData->uYDest  = 0;
   pLclEqlDlgData->uColorSpace = RGB_SPACE;   

   SetWindowLong(hWnd, GWL_USERDATA, (long)pLclEqlDlgData);  

   for (nSlider = 0; nSlider < pLclEqlDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, pLclEqlDlgData->nSldBaseID + nSlider), TRUE, nRangeMin[nSlider], nRangeMax[nSlider]);   
      Trackbar_SetPos(GetDlgItem(hWnd, pLclEqlDlgData->nSldBaseID + nSlider), TRUE, nPosInit[nSlider]);
      SetDlgItemInt(hWnd, pLclEqlDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], TRUE);      
      SetNumericEditBox(GetDlgItem(hWnd, pLclEqlDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, 0);
   }

   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   ComboBox_SetCurSel(hListBox, 0);
   ShowWindow(hWnd, SW_SHOW);
   L_ApplyFilter(hWnd);
   return TRUE;
}

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

static L_VOID LclEqlDlg_OnCommand(HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPLCLEQLDATA pLclEqlDlgData;
   L_UINT       uCurrentColor;
   L_INT        nValue;
   pCHILDDATA   pData;
   HWND         hWndParent;
   L_INT        nRangeMax[] = {200, 200, 200, 200, 7};
   L_INT        nRangeMin[] = {1,   1,   0,   0,   0};
   L_INT        nIndex;
   RECT         rcRgn;
   
   pLclEqlDlgData = (LPLCLEQLDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);

   L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRgn);
   nRangeMax[0] = rcRgn.right - rcRgn.left;
   nRangeMax[1] = rcRgn.bottom - rcRgn.top;
   nRangeMax[2] = rcRgn.right - rcRgn.left;
   nRangeMax[3] = rcRgn.bottom - rcRgn.top;

   switch (nID)
   {
   case IDCANCEL:
      StatusProc.bProgress = FALSE;
      StatusProc.bKillProgress = TRUE ;
      StatusProc.ProgressValue = 100 ;
      EndDialog(hWnd, FALSE);
      break;

   case IDOK:
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      EndDialog(hWnd, TRUE);
      break;

   case IDC_LEQ_CSP_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         uCurrentColor = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_LEQ_CSP_COM));
         if (pLclEqlDlgData->uColorSpace != (L_UINT)pow(2, uCurrentColor))
         {
            pLclEqlDlgData->uColorSpace = (L_UINT)pow(2, uCurrentColor);
            InvalidateRect(hWndCtl, NULL, FALSE);
            L_ApplyFilter (hWnd);
         }
      }
      break;
   }

   if (nID >= pLclEqlDlgData->nEdtBaseID && nID < pLclEqlDlgData->nEdtBaseID + pLclEqlDlgData->nSlideNum)
   {
      if (uCodeNotify == EN_CHANGE)
      {
         uCurrentColor = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_LEQ_CSP_COM));
         nValue        = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex        = nID - pLclEqlDlgData->nEdtBaseID;
         Trackbar_SetPos(GetDlgItem(hWnd, pLclEqlDlgData->nSldBaseID + nIndex), TRUE, nValue);

         switch(nIndex)
         {
         case 0:
            if ((L_INT)pLclEqlDlgData->uWidth == nValue)
               return;
            pLclEqlDlgData->uWidth = nValue;
            break;
         case 1:
            if ((L_INT)pLclEqlDlgData->uHeight == nValue)
               return;
            pLclEqlDlgData->uHeight = nValue;
            break;
         case 2:
            if ((L_INT)pLclEqlDlgData->uXDest == nValue)
               return;
            pLclEqlDlgData->uXDest = nValue;
            break;
         case 3:
            if ((L_INT)pLclEqlDlgData->uYDest == nValue)
               return;
            pLclEqlDlgData->uYDest = nValue;
            break;
         case 4:
            if ((L_INT)pLclEqlDlgData->uSmooth == nValue)
               return;
               pLclEqlDlgData->uSmooth = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }
}

static L_VOID LclEqlDlg_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos)
{
   LPLCLEQLDATA pLclEqlDlgData = (LPLCLEQLDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pLclEqlDlgData->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
}

static L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA   pData;
   L_INT        nRet = 0;
   HWND         hWndParent;
   LPLCLEQLDATA LclEql;

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

   LclEql     = (LPLCLEQLDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData      = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &LclEql->LeadBitmap, sizeof(BITMAPHANDLE));

   nRet = L_LocalHistoEqualizeBitmap(&pData->LeadBitmap,
                                     LclEql->uWidth, 
                                     LclEql->uHeight,
                                     LclEql->uXDest,
                                     LclEql->uYDest,
                                     LclEql->uColorSpace, 
                                     LclEql->uSmooth);

   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}