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

#include "ImgPF.h"

static L_BOOL ZigZagDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT codeNotify);
static L_BOOL ZigZagDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL ZigZagDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_BOOL ZigZagDlg_OnPaint      (HWND hWnd);
static L_VOID ZigZagDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter             (HWND hWnd);

L_BOOL CALLBACK ZigZagDlgProc (HWND hWnd, L_UINT message, WPARAM wParam, LPARAM lParam)
{
   switch(message)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    ZigZagDlg_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, ZigZagDlg_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    ZigZagDlg_OnHScroll);
      HANDLE_MSG (hWnd, WM_PAINT,      ZigZagDlg_OnPaint);
      HANDLE_MSG (hWnd, WM_TIMER,      ZigZagDlg_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) 
{
   LPZIGZAGDLGDATA   pZigZagDlgData;
   LPMOUSEHOOKSTRUCT pMouseHook;
   HWND              hWndParent;
   pCHILDDATA        pData;
   RECT              rcRect;
   POINT             TmpPoint;
   DWORD             dwStyle;   

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pZigZagDlgData = (LPZIGZAGDLGDATA)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 (pZigZagDlgData->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 (pZigZagDlgData->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(pZigZagDlgData->hMouseHook , nCode, wParam, lParam); 
            }

            pData->ptCenter.x = pZigZagDlgData->ptCenter.x = pMouseHook->pt.x + pData->nHScrollPos;
            pData->ptCenter.y = pZigZagDlgData->ptCenter.y = pMouseHook->pt.y + pData->nVScrollPos;
            
            SetDlgItemInt(hGlobalWnd, IDC_ZIG_XPOS_EDT, pZigZagDlgData->ptCenter.x, TRUE);
            SetDlgItemInt(hGlobalWnd, IDC_ZIG_YPOS_EDT, pZigZagDlgData->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 (pZigZagDlgData->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 (pZigZagDlgData)
   {
      if (LOWORD(wParam) >= WM_NCMOUSEMOVE && LOWORD(wParam) <= WM_NCMBUTTONDBLCLK)
         return TRUE;
      else
         return CallNextHookEx(pZigZagDlgData->hMouseHook , nCode, wParam, lParam); 
   }
   else
      return FALSE;
}

static L_BOOL ZigZagDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPZIGZAGDLGDATA pZigZagDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nRangeMax[] = {100, 100, 1000,  360, 0, 0};
   L_INT        nRangeMin[] = {0,     1,    0, -360, 0, 0};
   L_INT        nPosInit [] = {30,    6,    0,    0, 0, 0};
   L_INT        nSlider;

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

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

   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pZigZagDlgData->LeadBitmap);
   L_GetBitmapRgnBounds(&pZigZagDlgData->LeadBitmap, NULL, &rcRgn);

   ComboBox_AddString(GetDlgItem(hWnd, IDC_ZIG_FIL_COM), TEXT("Fill Color"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_ZIG_FIL_COM), TEXT("Repeat Edge"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_ZIG_FIL_COM), TEXT("No Change"));
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_ZIG_FIL_COM), 1);

   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_ZIG_PROG);

   nPosInit[4] = pZigZagDlgData->ptCenter.x = pData->ptCenter.x = (rcRgn.right + rcRgn.left) / 2;
   nPosInit[5] = pZigZagDlgData->ptCenter.y = pData->ptCenter.y = (rcRgn.bottom + rcRgn.top) / 2;
   pZigZagDlgData->nAmp         = 30;
   pZigZagDlgData->nFreq        = 6;
   pZigZagDlgData->nAtten       = 0;
   pZigZagDlgData->nPhase       = 0; 
   pZigZagDlgData->uFlag        = FILL_RPT | ZG_POND;
   nRangeMax[4]                 = rcRgn.right;
   nRangeMax[5]                 = rcRgn.bottom;
   nRangeMin[4]                 = rcRgn.left;
   nRangeMin[5]                 = rcRgn.top;
   pZigZagDlgData->nSlideNum    = 6;
   pZigZagDlgData->nSldBaseID   = IDC_ZIG_AMP_SLD;
   pZigZagDlgData->nEdtBaseID   = IDC_ZIG_AMP_EDT;

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

   pZigZagDlgData->bPushed = FALSE;
   pZigZagDlgData->hIcon   = LoadIcon(hInst, MAKEINTRESOURCE(IDI_MOUSE));
   Button_SetCheck(GetDlgItem(hWnd, IDC_ZIG_PND_RAD), TRUE);
   SendMessage(GetDlgItem(hWnd, IDC_ZIG_POS_BTN), BM_SETIMAGE, IMAGE_ICON, (LPARAM)(HICON)pZigZagDlgData->hIcon);

   pZigZagDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   ShowWindow(hWnd, SW_SHOW);
   L_ApplyFilter(hWnd);
   return ( TRUE );
}
static L_VOID ZigZagDlg_OnTimer (HWND hWnd, L_INT nID)
{
   Dialog_Timer(nID);
}

static L_BOOL ZigZagDlg_OnPaint(HWND hWnd)
{
   HDC         hdc;
   PAINTSTRUCT ps;
   RECT        Rect;
   HBRUSH      hbrush;

   LPZIGZAGDLGDATA pZigZagDlgData;
   pZigZagDlgData = (LPZIGZAGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

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

   hbrush = CreateSolidBrush(pZigZagDlgData->crColor);
   FillRect(hdc, &Rect, !ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_ZIG_FIL_COM)) ? hbrush : (HBRUSH) COLOR_WINDOW);
   DeleteObject (hbrush);
   EndPaint(GetDlgItem(hWnd, IDC_ZIG_FIL_TXT), &ps);
   return FALSE;
}

static L_BOOL ZigZagDlg_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT codeNotify)
{
   LPZIGZAGDLGDATA pZigZagDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   L_INT        nValue, nIndex;
   RECT         rcRgn;
   COLORREF     crColor;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pZigZagDlgData = (LPZIGZAGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   
   L_GetBitmapRgnBounds(&pZigZagDlgData->LeadBitmap, NULL, &rcRgn);
   
   if (nID >= pZigZagDlgData->nEdtBaseID && nID < pZigZagDlgData->nEdtBaseID + pZigZagDlgData->nSlideNum)
   {
      if(codeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex = nID - pZigZagDlgData->nEdtBaseID;

         Trackbar_SetPos(GetDlgItem(hWnd,nID + pZigZagDlgData->nSlideNum), TRUE, nValue);

         switch (nIndex)
         {
         case 0:
            if(pZigZagDlgData->nAmp == (L_UINT)nValue)
               return TRUE;
            pZigZagDlgData->nAmp = nValue;
            break;
         case 1:
            if(pZigZagDlgData->nFreq == (L_UINT)nValue)
               return TRUE;
            pZigZagDlgData->nFreq = nValue;
            break;
         case 2:
            if(pZigZagDlgData->nAtten== (L_UINT)nValue)
               return TRUE;
            pZigZagDlgData->nAtten = nValue;
            break;
         case 3:
            if(pZigZagDlgData->nPhase == nValue)
               return TRUE;
            pZigZagDlgData->nPhase = nValue;
            break;
         case 4:
            if(pZigZagDlgData->ptCenter.x == nValue)
               return TRUE;
            pZigZagDlgData->ptCenter.x = nValue;
            pData->ptCenter.x         = nValue;
            break;
         case 5:
            if(pZigZagDlgData->ptCenter.y == nValue)
               return TRUE;
            pZigZagDlgData->ptCenter.y = nValue;
            pData->ptCenter.y         = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }
   
   switch (nID)
   {
   case IDC_ZIG_PND_RAD:
      pZigZagDlgData->uFlag = (pZigZagDlgData->uFlag & 0xFF0F) | ZG_POND;
      InvalidateRect(hWnd, NULL, FALSE);
      L_ApplyFilter (hWnd);
      break;
   case IDC_ZIG_RND_RAD:
      pZigZagDlgData->uFlag = (pZigZagDlgData->uFlag & 0xFF0F) | ZG_RAD;
      InvalidateRect(hWnd, NULL, FALSE);
      L_ApplyFilter (hWnd);
      break;
   case IDC_ZIG_POS_BTN:
      pZigZagDlgData->bPushed = Button_GetCheck(hWndCtl);
      break;

   case IDC_ZIG_FIL_BTN:
      crColor = pZigZagDlgData->crColor;

      pZigZagDlgData->crColor = ShowColorDialog(hWnd, crColor);

      if (crColor != pZigZagDlgData->crColor)
      {
         InvalidateRect(hWnd, NULL, FALSE);
         L_ApplyFilter (hWnd);
      }
      break;
   
   case IDC_ZIG_FIL_COM:
      if (codeNotify == CBN_SELCHANGE)
      {
         nIndex = (ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_ZIG_FIL_COM)));
         if (pZigZagDlgData->uFlag != ((pZigZagDlgData->uFlag & 0xFFFFFFF0) | nIndex))
         {
            EnableWindow(GetDlgItem(hWnd, IDC_ZIG_FIL_BTN), !ComboBox_GetCurSel(hWndCtl));
            pZigZagDlgData->uFlag = pZigZagDlgData->uFlag & 0xFFFFFFF0;
            pZigZagDlgData->uFlag = pZigZagDlgData->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(pZigZagDlgData->hMouseHook);
      DestroyIcon(pZigZagDlgData->hIcon);
      EndDialog(hWnd, FALSE);
      break;
   
   case IDOK:
      pData->bCross = FALSE;
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd        = TRUE;
      UnhookWindowsHookEx(pZigZagDlgData->hMouseHook);
      DestroyIcon(pZigZagDlgData->hIcon);
      EndDialog(hWnd, TRUE);
      break;
   }
   return TRUE;
}

static L_BOOL ZigZagDlg_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos)
{
   LPZIGZAGDLGDATA pZigZagDlgData;

   pZigZagDlgData = (LPZIGZAGDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pZigZagDlgData->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
   return TRUE;
}

L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPZIGZAGDLGDATA   pZigZagDlgData;

   if ( 100 != StatusProc.ProgressValue )
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }
   pZigZagDlgData = (LPZIGZAGDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

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

   nRet = L_ZigZagBitmap(&pData->LeadBitmap,
                           pZigZagDlgData->nAmp,
                           pZigZagDlgData->nAtten,
                           pZigZagDlgData->nFreq,
                           pZigZagDlgData->nPhase * 100,
                           pZigZagDlgData->ptCenter,
                           pZigZagDlgData->crColor,
                           pZigZagDlgData->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 ;
      }
   }
}