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

#include "ImgPF.h"

static L_BOOL SwirlDialog_OnCommand    (HWND hWnd, L_INT id, HWND hWndCtl, L_UINT codeNotify);
static L_BOOL SwirlDialog_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL SwirlDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID SwirlDialog_OnTimer      (HWND hWnd, L_INT ID);
static L_VOID SwirlDialog_OnClose      (HWND hWnd);
static L_VOID L_ApplyFilter            (HWND hWnd);
static LRESULT CALLBACK Mouse          (L_INT nCode, WPARAM wParam, LPARAM lParam);

L_BOOL CALLBACK SwirlDlgProc (HWND hWnd, L_UINT message, WPARAM wParam, LPARAM lParam)
{
   switch(message)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    SwirlDialog_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, SwirlDialog_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    SwirlDialog_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,      SwirlDialog_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) 
{
   LPSWRDLGDATA      pSwrDlgData;
   LPMOUSEHOOKSTRUCT pMouseHook;
   HWND              hWndParent;
   pCHILDDATA        pData;
   RECT              rcRect;
   POINT             TmpPoint;
   DWORD             dwStyle;   

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

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

static L_BOOL SwirlDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPSWRDLGDATA pSwrDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nRangeMax[] = {10,  359 , 0, 0};
   L_INT        nRangeMin[] = {-10, -359, 0, 0};
   L_INT        nPosInit [] = {0,   50,    0, 0};
   L_INT        nSlider;
   
   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);
   pSwrDlgData    = (LPSWRDLGDATA)lParam;
   hGlobalWnd     = hWnd;
   pData->bCross  = TRUE;
   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pSwrDlgData);
   
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pSwrDlgData->Bitmap);
   L_GetBitmapRgnBounds(&pSwrDlgData->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_SWR_PROG);

   SetDlgItemInt(hWnd, IDC_SWR_ROT_EDT, 0, FALSE);
   SetDlgItemInt(hWnd, IDC_SWR_ADD_EDT, 0, FALSE);
   
   pSwrDlgData->nRot       = 0;
   pSwrDlgData->nAdd       = 50;
   nPosInit[2]             = pSwrDlgData->ptCenter.x = pData->ptCenter.x = (rcRgn.right - rcRgn.left) / 2 + rcRgn.left;
   nPosInit[3]             = pSwrDlgData->ptCenter.y = pData->ptCenter.y = (rcRgn.bottom - rcRgn.top) / 2 + rcRgn.top;
   nRangeMax[2]            = rcRgn.right;
   nRangeMax[3]            = rcRgn.bottom;
   nRangeMin[2]            = rcRgn.left;
   nRangeMin[3]            = rcRgn.top;
   pSwrDlgData->nSlideNum  = 4;
   pSwrDlgData->nSldBaseID = IDC_SWR_ROT_SLD;
   pSwrDlgData->nEdtBaseID = IDC_SWR_ROT_EDT;

   for (nSlider = 0; nSlider < pSwrDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, pSwrDlgData->nSldBaseID + nSlider), TRUE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pSwrDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], TRUE);
      SetNumericEditBox(GetDlgItem(hWnd, pSwrDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, FALSE);
   }
   pSwrDlgData->bPushed = FALSE;
   pSwrDlgData->hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_MOUSE));
   SendMessage(GetDlgItem(hWnd, IDC_SWR_POS_BTN), BM_SETIMAGE, IMAGE_ICON, (LPARAM)(HICON)pSwrDlgData->hIcon);

   pSwrDlgData->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 SwirlDialog_OnTimer (HWND hWnd, L_INT ID)
{
   Dialog_Timer(ID);
}

static L_BOOL SwirlDialog_OnCommand (HWND hWnd, L_INT id, HWND hWndCtl, L_UINT codeNotify)
{
   LPSWRDLGDATA pSwrDlgData;
   HWND         hWndParent;
   L_INT        nRangeMax[] = {10,  359,  0, 0};
   L_INT        nRangeMin[] = {-10, -359, 0, 0};
   HWND         hCtl;
   pCHILDDATA   pData;
   L_INT        nValue, nIndex;
   RECT         rcRgn;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pSwrDlgData = (LPSWRDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   L_GetBitmapRgnBounds(&pSwrDlgData->Bitmap, NULL, &rcRgn);
   
   nRangeMax[2] = rcRgn.right;
   nRangeMax[3] = rcRgn.bottom;
   nRangeMin[2] = rcRgn.left;
   nRangeMin[3] = rcRgn.top;
   
   if (id >= pSwrDlgData->nEdtBaseID && id < pSwrDlgData->nEdtBaseID + pSwrDlgData->nSlideNum)
   {
      if(codeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, id, NULL, TRUE);
         hCtl   = GetDlgItem(hWnd,id + pSwrDlgData->nSlideNum);
         nIndex = id - pSwrDlgData->nEdtBaseID;
         Trackbar_SetPos(hCtl, TRUE, nValue);

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

         if(nValue < nRangeMin[nIndex])
         {            
            SetDlgItemInt(hWnd, id,  nRangeMin[nIndex], TRUE);
            return FALSE;
         }
         
         switch (nIndex)
         {
         case 0:
            if(pSwrDlgData->nRot == nValue)
               return TRUE;
            pSwrDlgData->nRot = nValue;
            break;
         case 1:
            if(pSwrDlgData->nAdd == nValue)
               return TRUE;
            pSwrDlgData->nAdd = nValue;
            break;
         case 2:
            if(pSwrDlgData->ptCenter.x == nValue)
               return TRUE;
            pSwrDlgData->ptCenter.x = nValue;
            pData->ptCenter.x = nValue;
            break;
         case 3:
            if(pSwrDlgData->ptCenter.y == nValue)
               return TRUE;
            pSwrDlgData->ptCenter.y = nValue;
            pData->ptCenter.y = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }

   switch(id)
   {
   case IDC_SWR_POS_BTN:
      pSwrDlgData->bPushed = Button_GetCheck(hWndCtl);
      break;
   case IDCANCEL:
      pData->bCross            = FALSE;
      StatusProc.bProgress     = FALSE;
      StatusProc.bKillProgress = TRUE;
      StatusProc.ProgressValue = 100;
      UnhookWindowsHookEx(pSwrDlgData->hMouseHook);
      DestroyIcon(pSwrDlgData->hIcon);
      EndDialog(hWnd, FALSE);
      break;
   
   case IDOK:
      pData->bCross = FALSE;
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      UnhookWindowsHookEx(pSwrDlgData->hMouseHook);
      DestroyIcon(pSwrDlgData->hIcon);
      EndDialog(hWnd, TRUE);
      break;
   }
   return TRUE;
}

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

L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPSWRDLGDATA   pSwrDlgData;

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

   pSwrDlgData = (LPSWRDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pSwrDlgData->Bitmap, sizeof(BITMAPHANDLE));
   
   nRet = L_SwirlBitmap(&pData->LeadBitmap,
                         pSwrDlgData->nRot * 360 + pSwrDlgData->nAdd,
                         pSwrDlgData->ptCenter);
   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}