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

#include "ImgPF.h"

static L_BOOL ShadowDialog_OnCommand     (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL ShadowDialog_OnHScroll     (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL ShadowDialog_OnInitDialog  (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID ShadowDialog_OnTimer       (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter              (HWND hWnd);

L_BOOL CALLBACK ShadowDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,     ShadowDialog_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG,  ShadowDialog_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,     ShadowDialog_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,       ShadowDialog_OnTimer);

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

static L_BOOL ShadowDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPSHADOWDLGDATA pShadowDlgData;
   pCHILDDATA      pData;
   HWND            hWndParent;

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

   SetWindowLong(hWnd, GWL_USERDATA, (long)pShadowDlgData);
   Trackbar_SetTheRange(GetDlgItem(hWnd, IDC_SHDW_THR_SLD), TRUE, 0, Is16Bit(&pData->LeadBitmap) ? 0xffff : 0xff);

   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pShadowDlgData->LeadBitmap);
   StatusProc.ProgressValue = 100;
   StatusProc.bProgress     = TRUE;
   StatusProc.bEnd          = FALSE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_SHDW_PROG);
   StatusProc.DlgWnd        = hWnd;
   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);

   ShowWindow(hWnd, SW_SHOW);
   pShadowDlgData->uThreshold = 0;
   pShadowDlgData->uAngle = 1;

   CreateAngleControl(GetDlgItem(hWnd, IDC_SHDW_ANGL_TXT), IDC_SHDW_ANGL_EDT, FROM_0_TO_8, 1, APPLY_ON_MOVE);

   SetDlgItemInt(hWnd, IDC_SHDW_ANGL_EDT, 0, FALSE);
   SetDlgItemInt(hWnd, IDC_SHDW_THR_EDT, 0, FALSE);
   SetNumericEditBox(GetDlgItem(hWnd, IDC_SHDW_ANGL_EDT), -1, 8, 1, 0, FALSE);
   SetNumericEditBox(GetDlgItem(hWnd, IDC_SHDW_THR_EDT), 0, Is16Bit(&pData->LeadBitmap) ? 0xFFFF : 0xFF, 1, 0, FALSE);
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   return TRUE;
}

static L_BOOL ShadowDialog_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   L_INT           nValue;
   LPSHADOWDLGDATA pShadowDlgData;
   HWND            hWndParent;
   pCHILDDATA      pData;

   pShadowDlgData = (LPSHADOWDLGDATA)GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData          = LOCKCHILDDATA(hWndParent);

   switch(nID)
   {
   case IDC_SHDW_THR_EDT:
      if (uCodeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         Trackbar_SetPos(GetDlgItem(hWnd, IDC_SHDW_THR_SLD), TRUE, nValue);
         if (pShadowDlgData->uThreshold == (L_UINT)nValue)
            return TRUE;
         pShadowDlgData->uThreshold = nValue;
         L_ApplyFilter(hWnd);
      }
      break;

   case IDC_SHDW_ANGL_EDT:
      nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
      if (nValue == -1) 
      {
         SetDlgItemInt(hWnd, nID, 7, TRUE);;
         return TRUE;
      }

      if (nValue == 8)
      {
         SetDlgItemInt(hWnd, nID, 0, TRUE);;
         return TRUE;
      }

      if ((uCodeNotify == EN_CHANGE) && nValue != (L_INT)pShadowDlgData->uAngle)
      {
         pShadowDlgData->uAngle = nValue;
         DrawAngleControl(GetDlgItem(hWnd, IDC_SHDW_ANGL_TXT), nValue);
         L_ApplyFilter(hWnd);
      }
      break;

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

   case IDC_SHDW_MAS_CHK:
      pShadowDlgData->uFlag = Button_GetCheck(hWndCtl);
      L_ApplyFilter(hWnd);
      break;

   case IDCANCEL:
      StatusProc.bProgress = FALSE;
      StatusProc.bKillProgress = TRUE ;
      StatusProc.ProgressValue = 100 ;
      EndDialog(hWnd, FALSE);
      break;
   }
   return TRUE;
}

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

static L_BOOL ShadowDialog_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos)
{
   SetDlgItemInt(hWnd, IDC_SHDW_THR_EDT, Trackbar_GetPos(hWndCtl), TRUE);
   return TRUE;
}

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

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

   pShadowDlgData = (LPSHADOWDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pShadowDlgData->LeadBitmap, sizeof(BITMAPHANDLE));
   
   nRet = L_AddShadowBitmap(&pData->LeadBitmap,
                             pShadowDlgData->uAngle,
                             pShadowDlgData->uThreshold,
                             pShadowDlgData->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 ;
      }
   }
}