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

#include "ImgPF.h"

static L_BOOL DGlowDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT codeNotify);
static L_BOOL DGlowDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL DGlowDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID DGlowDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID DGlowDlg_OnClose      (HWND hWnd);
static L_BOOL DGlowDlg_OnPaint      (HWND hWnd);
static L_VOID L_ApplyFilter            (HWND hWnd);

L_BOOL CALLBACK DiffuseGlowDlgProc (HWND hWnd, L_UINT message, WPARAM wParam, LPARAM lParam)
{
   switch(message)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    DGlowDlg_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, DGlowDlg_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    DGlowDlg_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,      DGlowDlg_OnTimer);
      HANDLE_MSG (hWnd, WM_PAINT,      DGlowDlg_OnPaint);

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

static L_BOOL DGlowDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPDFGDLGDATA pDfgDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nRangeMax[] = {100 , 100, 100, 100};
   L_INT        nRangeMin[] = {-100, 0  , 0  , 0};
   L_INT        nPosInit [] = {50, 50, 10, 0};
   L_INT        nSlider;
   
   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);
   pDfgDlgData    = (LPDFGDLGDATA)lParam;

   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pDfgDlgData);
   
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pDfgDlgData->LeadBitmap);
   L_GetBitmapRgnBounds(&pDfgDlgData->LeadBitmap, NULL, &rcRgn);

   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_DGF_PROG);
   
   pDfgDlgData->nGlowAmount   = 50;
   pDfgDlgData->uClearAmount  = 50;
   pDfgDlgData->uSpreadAmount = 10;
   pDfgDlgData->uWhiteNoise   = 0;
   pDfgDlgData->nSlideNum     = 4;
   pDfgDlgData->nSldBaseID    = IDC_DGF_AMT_SLD;
   pDfgDlgData->nEdtBaseID    = IDC_DGF_AMT_EDT;
   pDfgDlgData->crColor       = RGB(255, 255, 255);

   for (nSlider = 0; nSlider < pDfgDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, pDfgDlgData->nSldBaseID + nSlider), TRUE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetNumericEditBox(GetDlgItem(hWnd, pDfgDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, FALSE);
      SetDlgItemInt(hWnd, pDfgDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], TRUE);
   }
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);

   ShowWindow(hWnd, SW_SHOW);
   L_ApplyFilter(hWnd);
   return ( TRUE );
}

static L_BOOL DGlowDlg_OnPaint(HWND hWnd)
{
   HDC         hDC;
   PAINTSTRUCT ps;
   RECT        rcRect;
   HBRUSH      hBrush;
   LPDFGDLGDATA pDfgDlgData = (LPDFGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   GetClientRect(GetDlgItem(hWnd , IDC_DGF_CLR_TXT), &rcRect);
   hDC = BeginPaint(GetDlgItem(hWnd, IDC_DGF_CLR_TXT),&ps);
   hBrush = CreateSolidBrush(pDfgDlgData->crColor);
   FillRect(hDC, &rcRect, hBrush);
   DeleteBrush(hBrush);
   EndPaint(GetDlgItem(hWnd, IDC_DGF_CLR_TXT), &ps);
   return FALSE;
}

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

static L_BOOL DGlowDlg_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT codeNotify)
{
   LPDFGDLGDATA pDfgDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   L_INT        nValue, nIndex;
   COLORREF     crColor;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pDfgDlgData = (LPDFGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   if (nID >= pDfgDlgData->nEdtBaseID && nID < pDfgDlgData->nEdtBaseID + pDfgDlgData->nSlideNum)
   {
      if(codeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex = nID - pDfgDlgData->nEdtBaseID;
         Trackbar_SetPos(GetDlgItem(hWnd,nID + pDfgDlgData->nSlideNum), TRUE, nValue);

         switch (nIndex)
         {
         case 0:
            if(pDfgDlgData->nGlowAmount == nValue)
               return TRUE;
            pDfgDlgData->nGlowAmount = nValue;
            break;
         case 1:
            if(pDfgDlgData->uClearAmount == (L_UINT)nValue)
               return TRUE;
            pDfgDlgData->uClearAmount = nValue;
            break;
         case 2:
            if(pDfgDlgData->uSpreadAmount == (L_UINT)nValue)
               return TRUE;
            pDfgDlgData->uSpreadAmount = nValue;
            break;
         case 3:
            if(pDfgDlgData->uWhiteNoise == (L_UINT)nValue)
               return TRUE;
            pDfgDlgData->uWhiteNoise = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }

   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_DGF_CLR_BTN:
      crColor = pDfgDlgData->crColor;
      pDfgDlgData->crColor = ShowColorDialog(hWnd, crColor);

      if (crColor != pDfgDlgData->crColor)
      {
         InvalidateRect(hWnd, NULL, FALSE);
         L_ApplyFilter (hWnd);
      }
      break;
   }
   return TRUE;
}

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

L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPDFGDLGDATA   pDfgDlgData;

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

   pDfgDlgData = (LPDFGDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pDfgDlgData->LeadBitmap, sizeof(BITMAPHANDLE));
   
   nRet = L_DiffuseGlowBitmap(&pData->LeadBitmap,
                               pDfgDlgData->nGlowAmount * 10,
                               pDfgDlgData->uClearAmount * 10,
                               pDfgDlgData->uSpreadAmount * 10,
                               pDfgDlgData->uWhiteNoise * 10,
                               pDfgDlgData->crColor);
   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}