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

#include "ImgPF.h"

static L_BOOL BendDialog_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL BendDialog_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL BendDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID BendDialog_OnTimer      (HWND hWnd, L_INT nID);
static L_BOOL BendDialog_OnPaint      (HWND hWnd);
static L_VOID L_ApplyFilter           (HWND hWnd);

L_BOOL CALLBACK BendDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    BendDialog_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, BendDialog_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    BendDialog_OnHScroll);
      HANDLE_MSG (hWnd, WM_PAINT,      BendDialog_OnPaint);
      HANDLE_MSG (hWnd, WM_TIMER,      BendDialog_OnTimer);

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


static LRESULT CALLBACK Mouse(L_INT nCode, WPARAM wParam, LPARAM lParam) 
{
   LPBNDDLGDATA      pBndDlgData;
   LPMOUSEHOOKSTRUCT pMouseHook;
   HWND              hWndParent;
   pCHILDDATA        pData;
   RECT              rcRect;
   POINT             TmpPoint;
   DWORD             dwStyle;   
   
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pBndDlgData = (LPBNDDLGDATA)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 (PtInRect(&rcRect, TmpPoint))
         break;
      if (pBndDlgData->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 (PtInRect(&rcRect, TmpPoint))
         break;
      if (pBndDlgData->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(pBndDlgData->hMouseHook , nCode, wParam, lParam); 
            }

            pData->ptCenter.x = pBndDlgData->ptCenter.x = pMouseHook->pt.x + pData->nHScrollPos;
            pData->ptCenter.y = pBndDlgData->ptCenter.y = pMouseHook->pt.y + pData->nVScrollPos;
            
            SetDlgItemInt(hGlobalWnd, IDC_BND_XPOS_EDT, pBndDlgData->ptCenter.x, TRUE);
            SetDlgItemInt(hGlobalWnd, IDC_BND_YPOS_EDT, pBndDlgData->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 (PtInRect(&rcRect, TmpPoint))
         break;
      if (pBndDlgData->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 (pBndDlgData)
   {
      if (LOWORD(wParam) >= WM_NCMOUSEMOVE && LOWORD(wParam) <= WM_NCMBUTTONDBLCLK)
         return TRUE;
      else
         return CallNextHookEx(pBndDlgData->hMouseHook , nCode, wParam, lParam); 
   }
   else
      return FALSE;
}

static L_BOOL BendDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPBNDDLGDATA pBndDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nSlider;
   L_INT        nRangeMax[] = {  500,  100, 100};
   L_INT        nRangeMin[] = { -500,    0,   0};
   L_INT        nPosInit [] = {    0,   50,  50};
   
   hWndParent    = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData         = LOCKCHILDDATA (hWndParent);
   pBndDlgData   = (LPBNDDLGDATA)lParam;
   hGlobalWnd    = hWnd;
   pData->bCross = TRUE;
   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd, GWL_USERDATA, (LONG)pBndDlgData);

   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pBndDlgData->Bitmap);
   L_GetBitmapRgnBounds(&pBndDlgData->Bitmap, 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_BND_PROG);

   ComboBox_AddString(GetDlgItem(hWnd, IDC_BND_FILL_COM), TEXT("Fill Color"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_BND_FILL_COM), TEXT("Repeat Edge"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_BND_FILL_COM), TEXT("No Change"));
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_BND_FILL_COM), 0); 
   Button_SetCheck(GetDlgItem(hWnd, IDC_BND_NOR_RAD), TRUE);

   pBndDlgData->nSize      = 0;
   pBndDlgData->uFlag      = BND_NORM | FILL_WOUTROT;
   nRangeMax[1]            = rcRgn.right;
   nRangeMax[2]            = rcRgn.bottom;
   nRangeMin[1]            = rcRgn.left;
   nRangeMin[2]            = rcRgn.top;
   pBndDlgData->ptCenter.x = pData->ptCenter.x = (rcRgn.right + rcRgn.left) / 2;
   pBndDlgData->ptCenter.y = pData->ptCenter.y = (rcRgn.bottom + rcRgn.top) / 2;

   pBndDlgData->nSlideNum  = 3;
   pBndDlgData->nSldBaseID = IDC_BND_SIZ_SLD;
   pBndDlgData->nEdtBaseID = IDC_BND_SIZ_EDT;

   for (nSlider = 0; nSlider < pBndDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, pBndDlgData->nSldBaseID + nSlider), TRUE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pBndDlgData->nEdtBaseID + nSlider, (nRangeMax[nSlider] + nRangeMin[nSlider]) / 2, TRUE);
      SetNumericEditBox(GetDlgItem(hWnd, pBndDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, 0);
   }

   pBndDlgData->bPushed = FALSE;
   pBndDlgData->hIcon   = LoadIcon(hInst, MAKEINTRESOURCE(IDI_MOUSE));
   SendMessage(GetDlgItem(hWnd, IDC_BND_POS_BTN), BM_SETIMAGE, IMAGE_ICON, (LPARAM)(HICON)pBndDlgData->hIcon);
   pBndDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   return ( TRUE );
}

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

static L_BOOL BendDialog_OnPaint(HWND hWnd)
{
   HDC          hDC;
   PAINTSTRUCT  ps;
   RECT         rcRect;
   HBRUSH       hBrush;
   LPBNDDLGDATA pBndDlgData;
 
   pBndDlgData = (LPBNDDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   GetClientRect(GetDlgItem(hWnd , IDC_BND_COLOR_TXT), &rcRect);
   hDC = BeginPaint(GetDlgItem(hWnd, IDC_BND_COLOR_TXT), &ps);
   hBrush = CreateSolidBrush(pBndDlgData->crColor);
   FillRect(hDC, &rcRect, !ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_BND_FILL_COM)) ?  hBrush : (HBRUSH)COLOR_WINDOW);
   DeleteObject (hBrush);
   EndPaint(GetDlgItem(hWnd, IDC_BND_COLOR_TXT), &ps);
   return FALSE;
}

static L_BOOL BendDialog_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPBNDDLGDATA   pBndDlgData;
   HWND           hWndParent;
   L_INT          nRangeMax[] = { 500 , 0 , 0 };
   L_INT          nRangeMin[] = {-500 , 0 , 0};
   HWND           hCtl;
   pCHILDDATA     pData;
   L_INT          nValue, nIndex;
   RECT           rcRgn;
   COLORREF       crColor;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient, SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pBndDlgData = (LPBNDDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   L_GetBitmapRgnBounds(&pBndDlgData->Bitmap, NULL, &rcRgn);

   nRangeMax[1] = rcRgn.right;
   nRangeMax[2] = rcRgn.bottom;
   nRangeMin[1] = rcRgn.left;
   nRangeMin[2] = rcRgn.top;

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

         if(nValue > nRangeMax[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMax[nIndex], TRUE);
            return FALSE;
         }

         if(nValue < nRangeMin[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMin[nIndex], TRUE);
            return FALSE;
         }
         
         switch (nIndex)
         {
         case 0:
            if(pBndDlgData->nSize == nValue)
               return TRUE;
            pBndDlgData->nSize = nValue;
            break;
         case 1:
            if(pBndDlgData->ptCenter.x == nValue)
               return TRUE;
            pBndDlgData->ptCenter.x = nValue;
            pData->ptCenter.x       = nValue;
            break;
         case 2:
            if(pBndDlgData->ptCenter.y == nValue)
               return TRUE;
            pBndDlgData->ptCenter.y = nValue;
            pData->ptCenter.y       = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }

   switch (nID)
   {
   case IDC_BND_POS_BTN:
      pBndDlgData->bPushed = Button_GetCheck(hWndCtl);
      break;

   case IDC_BND_ROT_CHK:
       if(Button_GetCheck(GetDlgItem(hWnd, IDC_BND_ROT_CHK)))
       {
          pBndDlgData->uFlag = pBndDlgData->uFlag & 0xFFFFFF0F;
          pBndDlgData->uFlag = pBndDlgData->uFlag | FILL_ROT;
       }
       else
       {
          pBndDlgData->uFlag = pBndDlgData->uFlag & 0xFFFFFF0F;
          pBndDlgData->uFlag = pBndDlgData->uFlag | FILL_WOUTROT;
       }
       InvalidateRect(hWnd, NULL, FALSE);
       L_ApplyFilter (hWnd);
       break;

   case IDC_BND_NOR_RAD:
   case IDC_BND_HRZ_RAD:
   case IDC_BND_VRT_RAD:
      nIndex = (nID - IDC_BND_NOR_RAD) << 8;
      if (pBndDlgData->uFlag != ((pBndDlgData->uFlag & 0xFFFFF0FF) | nIndex))
      {
         pBndDlgData->uFlag = pBndDlgData->uFlag & 0xFFFFF0FF;
         pBndDlgData->uFlag = pBndDlgData->uFlag | nIndex;
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_BND_COLOR_BTN:
      UnhookWindowsHookEx(pBndDlgData->hMouseHook);
      crColor              = pBndDlgData->crColor;
      pBndDlgData->crColor = ShowColorDialog(hWnd, crColor);
      pBndDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());
      if (pBndDlgData->crColor != crColor)
      {
         InvalidateRect(hWnd, NULL, FALSE);
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_BND_FILL_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         nIndex = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_BND_FILL_COM));
         Button_Enable(GetDlgItem(hWnd, IDC_BND_COLOR_BTN), !nIndex);
         EnableWindow(GetDlgItem(hWnd, IDC_BND_COLOR_TXT), !nIndex);

         if (pBndDlgData->uFlag != ((pBndDlgData->uFlag & 0xFFFFFFF0) | nIndex))
         {
            pBndDlgData->uFlag = pBndDlgData->uFlag & 0xFFFFFFF0;
            pBndDlgData->uFlag = pBndDlgData->uFlag | nIndex;
            InvalidateRect(hWnd, NULL, FALSE);
            InvalidateRect(hWndCtl, NULL, FALSE);
            L_ApplyFilter (hWnd);
         }
      }
      break;

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

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

L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPBNDDLGDATA   pBndDlgData;

   if ( 100 != StatusProc.ProgressValue )
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }
   pBndDlgData = (LPBNDDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

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

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pBndDlgData->Bitmap, sizeof(BITMAPHANDLE));
   
   nRet = L_BendingBitmap(&pData->LeadBitmap,
                          pBndDlgData->nSize,
                          pBndDlgData->ptCenter,
                          pBndDlgData->crColor,
                          pBndDlgData->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 ;
      }
   }
}