/*[]=====================================================================[]*/
/*[]     LeadTools Run Time Library - Version 13                         []*/
/*[]                                                                     []*/
/*[]                                                                     []*/
/*[]     Copyright (c) 1991-2001 LEAD Technologies, Inc.                 []*/
/*[]     All Rights Reserved.                                            []*/
/*[]=====================================================================[]*/


#include "ImgPF.h"

static L_BOOL OffsetDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_BOOL OffsetDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT codeNotify);
static L_BOOL OffsetDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_VOID OffsetDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID OffsetDlg_OnPaint      (HWND hWnd);
static L_VOID L_ApplyFilter          (HWND hWnd);

L_BOOL CALLBACK OffsetDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,     OffsetDlg_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG,  OffsetDlg_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,     OffsetDlg_OnHScroll);
      HANDLE_MSG (hWnd, WM_PAINT,       OffsetDlg_OnPaint);
      HANDLE_MSG (hWnd, WM_TIMER,       OffsetDlg_OnTimer);

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

static L_BOOL OffsetDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPOFFSETDLGDATA pOffsetDlgData;
   HWND            hWndParent;
   pCHILDDATA      pData;
   L_INT           nRangeMax[] = {255, 255};
   L_INT           nRangeMin[] = {  0,   0};
   L_INT           nPosInit [] = {  0,   0};
   L_INT           nSlider;
   L_BOOL          bRegion;
   RECT            rcRgn;

   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);
   pOffsetDlgData = (LPOFFSETDLGDATA)lParam;

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pOffsetDlgData);
   ShowWindow(hWnd, SW_SHOW);

   bRegion = L_BitmapHasRgn(&pData->LeadBitmap);
   L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRgn);
   nRangeMax[0] = (bRegion ?  (rcRgn.right - rcRgn.left - 1) :  pData->LeadBitmap.Width - 1) * 2;
   nRangeMax[1] = (bRegion ?  (rcRgn.bottom - rcRgn.top - 1) :  pData->LeadBitmap.Height - 1) * 2;
   nRangeMin[0] = (bRegion ? -(rcRgn.right - rcRgn.left - 1) : -pData->LeadBitmap.Width + 1) * 2;
   nRangeMin[1] = (bRegion ? -(rcRgn.bottom - rcRgn.top - 1) : -pData->LeadBitmap.Height + 1) * 2;

   StatusProc.bProgress       = TRUE;
   StatusProc.bInvalidate     = FALSE;
   StatusProc.bEnd            = FALSE;
   StatusProc.DlgWnd          = hWnd;
   StatusProc.ProgressValue   = 100;
   StatusProc.ProgWnd         = GetDlgItem(hWnd, IDC_NOTPAP_PROG);

   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);

   ComboBox_AddString(GetDlgItem(hWnd, IDC_OFFSET_FILL_COM), "Color");
   ComboBox_AddString(GetDlgItem(hWnd, IDC_OFFSET_FILL_COM), "Repeat");
   ComboBox_AddString(GetDlgItem(hWnd, IDC_OFFSET_FILL_COM), "Unchanged");
   ComboBox_AddString(GetDlgItem(hWnd, IDC_OFFSET_FILL_COM), "Wrap Around");
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pOffsetDlgData->LeadBitmap);

   pOffsetDlgData->nSlideNum   = 2;
   pOffsetDlgData->nSldBaseID  = IDC_OFFSET_WDT_SLD;
   pOffsetDlgData->nEdtBaseID  = IDC_OFFSET_WDT_EDT;
   pOffsetDlgData->nWidth      = nPosInit[0];
   pOffsetDlgData->nHeight     = nPosInit[1];
   pOffsetDlgData->crBackColor = RGB(0, 0, 0);
   pOffsetDlgData->uFlags      = 0;
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_OFFSET_FILL_COM), 0);

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

   L_ApplyFilter (hWnd);
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   return ( TRUE );
}

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

static L_BOOL OffsetDlg_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPOFFSETDLGDATA pOffsetDlgData;
   HWND            hWndParent;
   L_INT           nIndex;
   L_INT           nValue;
   pCHILDDATA      pData;
   COLORREF        crColor;

   hWndParent     = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData          = LOCKCHILDDATA (hWndParent);
   pOffsetDlgData = (LPOFFSETDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   if (nID >= pOffsetDlgData->nEdtBaseID && nID < pOffsetDlgData->nEdtBaseID + pOffsetDlgData->nSlideNum)
   {
      nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
      nIndex = nID - pOffsetDlgData->nEdtBaseID;

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

      switch (nIndex)
      {
      case 0:
         if (pOffsetDlgData->nWidth == nValue)
            return FALSE;
         pOffsetDlgData->nWidth = nValue;
         break;
      case 1:
         if (pOffsetDlgData->nHeight == nValue)
            return FALSE;
         pOffsetDlgData->nHeight = nValue;
         break;
      }
      L_ApplyFilter (hWnd);
   }

   switch(nID)
   {
   case IDC_OFFSET_CLR_BTN:
      crColor = pOffsetDlgData->crBackColor;
      pOffsetDlgData->crBackColor = ShowColorDialog(hWnd, crColor);
      if (pOffsetDlgData->crBackColor != crColor)
      {
         InvalidateRect(hWnd, NULL, FALSE);
         L_ApplyFilter(hWnd);
      }
      break;

   case IDC_OFFSET_FILL_COM:
      nValue = ComboBox_GetCurSel(hWndCtl);
      if (pOffsetDlgData->uFlags != (L_UINT)nValue)
      {
         Button_Enable(GetDlgItem(hWnd, IDC_OFFSET_CLR_BTN), !nValue);
         pOffsetDlgData->uFlags = nValue;
         InvalidateRect(hWnd, NULL, FALSE);
         InvalidateRect(hWndCtl, NULL, FALSE);
         L_ApplyFilter(hWnd);
      }
      break;

   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;
   }
   return TRUE;
}

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

static L_VOID OffsetDlg_OnPaint(HWND hWnd)
{
   LPOFFSETDLGDATA pOffsetDlgData;
   HDC             hDC;
   PAINTSTRUCT     ps;
   RECT            rcRect;
   HBRUSH          hBrush;

   pOffsetDlgData = (LPOFFSETDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   hDC = BeginPaint(GetDlgItem(hWnd, IDC_OFFSET_CLR_TXT), &ps);
   GetClientRect(GetDlgItem(hWnd, IDC_OFFSET_CLR_TXT), &rcRect);
   hBrush = CreateSolidBrush(pOffsetDlgData->crBackColor);
   FillRect(hDC, &rcRect,!pOffsetDlgData->uFlags ? hBrush :(HBRUSH)COLOR_WINDOW);
   DeleteBrush(hBrush);
   EndPaint(GetDlgItem(hWnd, IDC_OFFSET_CLR_TXT), &ps);
}

static L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA      pData;
   L_INT           nRet = 1;
   HWND            hWndParent;
   LPOFFSETDLGDATA pOffsetDlgData;

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

   pOffsetDlgData = (LPOFFSETDLGDATA)GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA(hWndParent);

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


   nRet = L_OffsetBitmap(&pData->LeadBitmap,
                          pOffsetDlgData->nWidth,
                          pOffsetDlgData->nHeight,
                          pOffsetDlgData->crBackColor,
                          pOffsetDlgData->uFlags);

   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}