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

#include "ImgPF.h"

static L_BOOL ChsClrDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL ChsClrDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID ChsClrDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID ChsClrDlg_OnPaint      (HWND hWnd);
static L_VOID L_ApplyFilter          (HWND hWnd);

L_BOOL CALLBACK ChsClrDlgProc (HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG (hWnd, WM_INITDIALOG, ChsClrDlg_OnInitDialog);
      HANDLE_MSG (hWnd, WM_COMMAND,    ChsClrDlg_OnCommand);
      HANDLE_MSG (hWnd, WM_TIMER,      ChsClrDlg_OnTimer);
      HANDLE_MSG (hWnd, WM_PAINT,      ChsClrDlg_OnPaint);

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


static L_BOOL ChsClrDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPCHSCLRDLGDATA pClrDlgData;
   HWND            hWndParent;
   pCHILDDATA      pData;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pClrDlgData = (LPCHSCLRDLGDATA)lParam;
   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd,GWL_USERDATA,(LONG)pClrDlgData);
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pClrDlgData->Bitmap);
   ShowWindow(hWnd, SW_SHOW);

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

   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = TRUE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_SKL_PROG);
   pClrDlgData->crColor     = RGB(0, 0, 0);

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

static L_VOID ChsClrDlg_OnPaint (HWND hWnd)
{
   HDC             hDC;
   RECT            rcRect;
   HBRUSH          hBrush;
   PAINTSTRUCT     ps;
   LPCHSCLRDLGDATA pClrDlgData = (LPCHSCLRDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   L_INT           GrayLevel;

   GetClientRect(GetDlgItem(hWnd, IDC_CLR_CLR_TXT), &rcRect);
   hDC = BeginPaint(GetDlgItem(hWnd, IDC_CLR_CLR_TXT), &ps);
   GrayLevel = CalculateGrayValue(GetRValue(pClrDlgData->crColor), GetGValue(pClrDlgData->crColor), GetBValue(pClrDlgData->crColor));
   hBrush = CreateSolidBrush(L_IsGrayScaleBitmap(&pClrDlgData->Bitmap) ? RGB(GrayLevel, GrayLevel, GrayLevel) : pClrDlgData->crColor);
   FillRect(hDC, &rcRect, hBrush);
   DeleteBrush(hBrush);
   EndPaint(GetDlgItem(hWnd, IDC_CLR_CLR_TXT), &ps);
}

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

static L_BOOL ChsClrDlg_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   HWND            hWndParent;
   pCHILDDATA      pData;
   LPCHSCLRDLGDATA pClrDlgData;
   COLORREF        crColor;

   pClrDlgData = (LPCHSCLRDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   switch(nID)
   {
   case IDC_CLR_CLR_BTN:
      crColor = pClrDlgData->crColor;
      pClrDlgData->crColor = ShowColorDialog(hWnd, crColor);
      if (pClrDlgData->crColor != crColor)
      {
         InvalidateRect(hWnd, 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.nOldStatusCnt =  StatusProc.nStatusCnt = 0;
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      EndDialog(hWnd, TRUE);
      break;
   }
   return TRUE;
}

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

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

   pClrDlgData = (LPCHSCLRDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

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