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

#include "ImgPF.h"

static L_BOOL SegmentDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL SegmentDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL SegmentDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID SegmentDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter           (HWND hWnd);


L_BOOL CALLBACK SegDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    SegmentDlg_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, SegmentDlg_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    SegmentDlg_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,      SegmentDlg_OnTimer);

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


static L_BOOL SegmentDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPSEGDLGDATA pSegDlgData = (LPSEGDLGDATA)lParam;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nRangeMax[] = {255};
   L_INT        nRangeMin[] = {1};
   L_INT        nPosInit [] = {25};
   L_INT        nSlider;

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

   if (Is16Bit(&pData->LeadBitmap))
   {
      nRangeMax[0] = (pData->LeadBitmap.BitsPerPixel == 12) ? 0xFFF : 0xFFFF;
      nPosInit[0]  = (pData->LeadBitmap.BitsPerPixel == 12) ? 50 * 16 : 50 * 257;
   }

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pSegDlgData);
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pSegDlgData->Bitmap);
   L_GetBitmapRgnBoundsClip(&pSegDlgData->Bitmap, NULL, &rcRgn);

   ComboBox_AddString(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), TEXT("RGB"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), TEXT("Y"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), TEXT("U"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), TEXT("V"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), TEXT("UV"));
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_SEG_TYPE_COM), 0);
   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_SEG_PROG);

   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);
   
   UpdateWindow(hWnd);
   ShowWindow(hWnd, SW_SHOW);

   pSegDlgData->nSldBaseID = IDC_SEG_THR_SLD;
   pSegDlgData->nEdtBaseID = IDC_SEG_THR_EDT;
   pSegDlgData->nSlideNum  = 1;
   pSegDlgData->uThreshold = nPosInit[0];
   pSegDlgData->uFlag      = SGM_RGB;

   for (nSlider = 0; nSlider < pSegDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetTheRange(GetDlgItem(hWnd, pSegDlgData->nSldBaseID + nSlider), FALSE, nRangeMin[nSlider],nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pSegDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], FALSE);
      SetNumericEditBox(GetDlgItem(hWnd, pSegDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, FALSE);
   }

   Button_Enable(GetDlgItem(hWnd, IDC_SEG_NUV_CHK), FALSE);
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   ShowWindow(hWnd, SW_SHOW);
   L_ApplyFilter(hWnd);
   return ( TRUE );
}

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

static L_BOOL SegmentDlg_OnCommand(HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   HWND         hWndParent;
   L_INT        nRangeMax[] = {255};
   L_INT        nRangeMin[] = {1};
   HWND         hCtl;
   pCHILDDATA   pData;
   L_INT        nValue;
   L_INT        nIndex;
   LPSEGDLGDATA pSegDlgData;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pSegDlgData = (LPSEGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   if (Is16Bit(&pData->LeadBitmap))
   {
      nRangeMax[0] = (pData->LeadBitmap.BitsPerPixel == 12) ? 0xFFF : 0xFFFF;
   }

   if (nID >= pSegDlgData->nEdtBaseID && nID < pSegDlgData->nEdtBaseID + pSegDlgData->nSlideNum)
   {
      if(uCodeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL,FALSE);
         hCtl   = GetDlgItem(hWnd,nID + pSegDlgData->nSlideNum);
         nIndex = nID - pSegDlgData->nEdtBaseID;

         if(nValue >= nRangeMin[nIndex] && nValue <= nRangeMax[nIndex])
         {
            Trackbar_SetPos  (hCtl, TRUE, nValue);
         }
         else
         {
            if(nValue > nRangeMax[nIndex])
            {
               SetDlgItemInt(hWnd, nID, nRangeMax[nIndex], TRUE);
               nValue = nRangeMax[nIndex];
            }
            else
            {
               if(nValue == 0)
                  return TRUE;
               else
               {
                  SetDlgItemInt(hWnd, nID, nRangeMin[nIndex], TRUE);
                  nValue = nRangeMin[nIndex];
               }
            }
         }

         switch (nIndex)
         {
         case 0:
            if(pSegDlgData->uThreshold == (L_UINT)nValue)
               return TRUE;
            pSegDlgData->uThreshold = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }

   switch (nID)
   {
   case IDC_SEG_TYPE_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         nIndex = ComboBox_GetCurSel(hWndCtl);
         if (((L_INT)pSegDlgData->uFlag & 0x0000f) == nIndex + 1)
            return TRUE;
         pSegDlgData->uFlag = nIndex + 1;
         Button_Enable(GetDlgItem(hWnd, IDC_SEG_NUV_CHK), ((nIndex == 2) || (nIndex == 3)));
         InvalidateRect(hWndCtl, NULL, FALSE);
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_SEG_NUV_CHK:
      pSegDlgData->uFlag ^= 0x00010;
      L_ApplyFilter (hWnd);
      break;

   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;
   }
   return TRUE;
}

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

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

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

   pSegDlgData = (LPSEGDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

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

   nRet = L_SegmentBitmap(&pData->LeadBitmap,
                           pSegDlgData->uThreshold,
                           pSegDlgData->uFlag);
   
   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}