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

#include "ImgPF.h"

static L_BOOL LensDialog_OnCommand    (HWND hWnd, L_INT id, HWND hWndCtl, L_UINT codeNotify);
static L_BOOL LensDialog_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL LensDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_BOOL LensDialog_OnPaint      (HWND hWnd);
static L_VOID LensDialog_OnTimer      (HWND hWnd, L_INT id);
static L_VOID L_ApplyFilter           (HWND hWnd);
static LRESULT CALLBACK Mouse         (L_INT nCode, WPARAM wParam, LPARAM lParam);

L_BOOL CALLBACK LensDlgProc (HWND hWnd, L_UINT message, WPARAM wParam, LPARAM lParam)
{
   switch(message)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,       LensDialog_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG,    LensDialog_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,       LensDialog_OnHScroll);
      HANDLE_MSG (hWnd, WM_PAINT,         LensDialog_OnPaint);
      HANDLE_MSG (hWnd, WM_TIMER,         LensDialog_OnTimer);

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

LRESULT CALLBACK Mouse(L_INT nCode, WPARAM wParam, LPARAM lParam) 
{
   LPLNSDLGDATA      pLnsDlgData;
   LPMOUSEHOOKSTRUCT pMouseHook;
   HWND              hWndParent;
   pCHILDDATA        pData;
   RECT              rcRect;
   POINT             TmpPoint;
   DWORD             dwStyle;   

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pLnsDlgData = (LPLNSDLGDATA)GetWindowLong(hGlobalWnd, GWL_USERDATA);
   pMouseHook  = (LPMOUSEHOOKSTRUCT)lParam;

   GetWindowRect(hGlobalWnd, &rcRect);
   if (PtInRect(&rcRect, pMouseHook->pt))
      return 0;

   switch(LOWORD(wParam))
   {
   case WM_NCMOUSEMOVE:
      TmpPoint = pMouseHook->pt;
      if (pLnsDlgData->bPushed) 
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hGlobalWnd, &rcRect);
         if (!PtInRect(&rcRect, pMouseHook->pt))
            SendMessage((hWndParent), WM_MOUSEMOVE, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;

   case WM_NCLBUTTONDOWN:
      TmpPoint = pMouseHook->pt;
      if (pLnsDlgData->bPushed)
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hWndParent, &rcRect);
         if (PtInRect(&pData->rcView, pMouseHook->pt))
         {
            if (L_BitmapHasRgn(&pData->LeadBitmap))
            {
               L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRect);
               TmpPoint.x = pMouseHook->pt.x + pData->nHScrollPos;
               TmpPoint.y = pMouseHook->pt.y + pData->nVScrollPos;
               if (!PtInRect(&rcRect, TmpPoint))
                  return CallNextHookEx(pLnsDlgData->hMouseHook , nCode, wParam, lParam); 
            }

            pData->ptCenter.x = pLnsDlgData->ptCenter.x = pMouseHook->pt.x + pData->nHScrollPos;
            pData->ptCenter.y = pLnsDlgData->ptCenter.y = pMouseHook->pt.y + pData->nVScrollPos;
            
            SetDlgItemInt(hGlobalWnd, IDC_LNS_XSLD_EDT, pLnsDlgData->ptCenter.x, TRUE);
            SetDlgItemInt(hGlobalWnd, IDC_LNS_YSLD_EDT, pLnsDlgData->ptCenter.y, TRUE);
            InvalidateRect(hWndParent, NULL, FALSE);
            L_ApplyFilter (hGlobalWnd);
            PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
         }
         else
         {
            PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_ARROW);
         }
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         SendMessage(hWndParent, WM_LBUTTONDOWN, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;
   case WM_NCLBUTTONUP:
      TmpPoint = pMouseHook->pt;
      if (pLnsDlgData->bPushed)
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hGlobalWnd, &rcRect);
         if (!PtInRect(&rcRect, pMouseHook->pt))
            SendMessage(hWndParent, WM_LBUTTONUP, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;
   }

   if (pLnsDlgData)
   {
      if (LOWORD(wParam) >= WM_NCMOUSEMOVE && LOWORD(wParam) <= WM_NCMBUTTONDBLCLK)
         return TRUE;
      else
         return CallNextHookEx(pLnsDlgData->hMouseHook , nCode, wParam, lParam); 
   }
   else
      return FALSE;
}
static L_BOOL LensDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPLNSDLGDATA pLnsDlgData = (LPLNSDLGDATA)lParam;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nRangeMax[] = {300 , 0, 0};
   L_INT        nRangeMin[] = {1 ,  0, 0};
   L_INT        nPosInit [] = {100 , pLnsDlgData->Bitmap.Width / 2, pLnsDlgData->Bitmap.Height / 2};
   L_INT        nSlider;
   HWND         hWndParent;

   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);
   pData->bCross  = TRUE;
   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pLnsDlgData);
   hGlobalWnd = hWnd;
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pLnsDlgData->Bitmap);
   L_GetBitmapRgnBoundsClip(&pLnsDlgData->Bitmap, NULL, &rcRgn);
   
   nRangeMin[1] = rcRgn.left;
   nRangeMin[2] = rcRgn.top;
   nRangeMax[1] = rcRgn.right - 1;
   nRangeMax[2] = rcRgn.bottom - 1;
   nPosInit [1] = (rcRgn.right + rcRgn.left) / 2;
   nPosInit [2] = (rcRgn.bottom + rcRgn.top) / 2;

   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_LNS_PROG);
   
   UpdateWindow(hWnd);
   ShowWindow(hWnd, SW_SHOW);

   pLnsDlgData->uBright      = 100;
   pLnsDlgData->ptCenter.x   = pData->ptCenter.x = nPosInit[1] = (rcRgn.right - rcRgn.left)/2 + rcRgn.left;
   pLnsDlgData->ptCenter.y   = pData->ptCenter.y = nPosInit[2] = (rcRgn.bottom - rcRgn.top)/2 + rcRgn.top;
   pLnsDlgData->uFlag        = 0;

   pLnsDlgData->nSldBaseID = IDC_LNS_UBRG_SLD;
   pLnsDlgData->nEdtBaseID = IDC_LNS_UBRG_EDT;
   pLnsDlgData->nSlideNum = 3;

   for (nSlider = 0; nSlider < pLnsDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, pLnsDlgData->nSldBaseID + nSlider), FALSE, nRangeMin[nSlider],nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pLnsDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], FALSE);
      SetNumericEditBox(GetDlgItem(hWnd, pLnsDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, 0);
   }
   Button_SetCheck(GetDlgItem(hWnd, IDC_LNS_TYP1_RAD), TRUE);
   pLnsDlgData->bPushed = FALSE;
   
   pLnsDlgData->hIcon   = LoadIcon(hInst, MAKEINTRESOURCE(IDI_MOUSE));
   SendMessage(GetDlgItem(hWnd, IDC_LNS_POS_BTN), BM_SETIMAGE, IMAGE_ICON, (LPARAM)(HICON)pLnsDlgData->hIcon);
   pLnsDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   L_ApplyFilter (hWnd);
   return ( TRUE );
}

static L_VOID LensDialog_OnTimer      (HWND hWnd, L_INT id)
{
   Dialog_Timer(id);
}

static L_BOOL LensDialog_OnPaint(HWND hWnd)
{
   HDC          hdc;
   PAINTSTRUCT  ps;
   RECT         Rect;
   HBRUSH       hbrush;
   LPLNSDLGDATA pLnsDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pLnsDlgData = (LPLNSDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   GetClientRect(GetDlgItem(hWnd , IDC_LNS_COLOR_TXT), &Rect);
   hdc = BeginPaint(GetDlgItem(hWnd, IDC_LNS_COLOR_TXT),&ps);

   
   hbrush = CreateSolidBrush(pLnsDlgData->crColor);
   FillRect(hdc, &Rect,hbrush);
   DeleteObject (hbrush);
   EndPaint(GetDlgItem(hWnd, IDC_LNS_COLOR_TXT), &ps);
   return FALSE;
}

static L_BOOL LensDialog_OnCommand (HWND hWnd, L_INT id, HWND hWndCtl, L_UINT codeNotify)
{
   HWND           hWndParent;
   L_INT          nRangeMax[] = {300, 0, 0};
   L_INT          nRangeMin[] = {1 , 0, 0};
   HWND           hCtl;
   pCHILDDATA     pData;
   L_INT          nValue;
   L_INT          nIndex;
   RECT           rcRgn;
   LPLNSDLGDATA   pLnsDlgData;
   COLORREF       crColor;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pLnsDlgData = (LPLNSDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   L_GetBitmapRgnBoundsClip(&pLnsDlgData->Bitmap, NULL, &rcRgn);

   nRangeMax[1] = rcRgn.right - 1;
   nRangeMax[2] = rcRgn.bottom - 1;

   nRangeMin[1] = rcRgn.left;
   nRangeMin[2] = rcRgn.top;

   if (id >= pLnsDlgData->nEdtBaseID && id < pLnsDlgData->nEdtBaseID + pLnsDlgData->nSlideNum)
   {
      if(codeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, id, NULL,FALSE);
         hCtl   = GetDlgItem(hWnd,id + pLnsDlgData->nSlideNum);
         nIndex = id - pLnsDlgData->nEdtBaseID;

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

         switch (nIndex)
         {
         case 0:
            if(pLnsDlgData->uBright == (L_UINT)nValue)
               return TRUE;
            pLnsDlgData->uBright = nValue;
            break;
         case 1:
            if(pLnsDlgData->ptCenter.x == nValue)
               return TRUE;
            pLnsDlgData->ptCenter.x = nValue;
            pData->ptCenter.x = nValue;
            break;
         case 2:
            if(pLnsDlgData->ptCenter.y == nValue)
               return TRUE;
            pLnsDlgData->ptCenter.y = nValue;
            pData->ptCenter.y = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
      return TRUE;
   }

   if ((id >= pLnsDlgData->nSldBaseID + pLnsDlgData->nSlideNum) && (id < pLnsDlgData->nSldBaseID + pLnsDlgData->nSlideNum + 3))
   {
      nIndex = id - (pLnsDlgData->nSldBaseID + pLnsDlgData->nSlideNum);
      pLnsDlgData->uFlag = nIndex;
      L_ApplyFilter (hWnd);
      return TRUE;
   }

   switch (id)
   {
   case IDC_LNS_POS_BTN:
      pLnsDlgData->bPushed = Button_GetCheck(hWndCtl);
      break;
      
   case IDC_LNS_COLOR_BUT:
      UnhookWindowsHookEx(pLnsDlgData->hMouseHook);
      crColor = pLnsDlgData->crColor;
      pLnsDlgData->crColor = ShowColorDialog(hWnd, crColor);
      pLnsDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());

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

  case IDCANCEL:
      pData->bCross              = FALSE;
      StatusProc.bProgress       = FALSE;
      StatusProc.bKillProgress   = TRUE ;
      StatusProc.ProgressValue   = 100 ;
      InvalidateRect(hWnd, NULL, FALSE);
      UnhookWindowsHookEx(pLnsDlgData->hMouseHook);
      DestroyIcon(pLnsDlgData->hIcon);
      EndDialog(hWnd, FALSE);
      break;
      
   case IDOK:
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      pData->bCross = FALSE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      UnhookWindowsHookEx(pLnsDlgData->hMouseHook);
      DestroyIcon(pLnsDlgData->hIcon);
      EndDialog(hWnd, TRUE);
      break;
   }
   return TRUE;
}

static L_BOOL LensDialog_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos)
{
   LPLNSDLGDATA pLnsDlgData;
   L_INT        nIndex;
   
   pLnsDlgData = (LPLNSDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   nIndex      = GetWindowLong(hWndCtl, GWL_ID) - pLnsDlgData->nSldBaseID;
   return (SetDlgItemInt(hWnd, pLnsDlgData->nEdtBaseID + nIndex, Trackbar_GetPos(hWndCtl), TRUE));
}

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

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

   pLnsDlgData = (LPLNSDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pLnsDlgData->Bitmap, sizeof(BITMAPHANDLE));
   
   nRet = L_LensFlareBitmap(&pData->LeadBitmap, pLnsDlgData->ptCenter, pLnsDlgData->uBright, pLnsDlgData->uFlag, pLnsDlgData->crColor);
   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      InvalidateRect(hWnd, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}