/*[]=====================================================================[]*/
/*[]     LeadTools Run Time Library - Version 13                         []*/
/*[]                                                                     []*/
/*[]                                                                     []*/
/*[]     Copyright (c) 1991-2003  by LEAD Technologies, Inc.             []*/
/*[]     All Rights Reserved.                                            []*/
/*[]=====================================================================[]*/

#define  STRICT
#include <windows.h>
#include <windowsx.h>

#include "BarCode.h"

L_VOID InitReadDialog            (HWND hWnd);
L_VOID OnSelChangeSymbType       (HWND hWnd);
L_VOID OnSearchAllClick          (HWND hWnd);
L_VOID OnChkUseRgn               (HWND hWnd);
L_INT  ValidateReadDialog        (HWND hWnd, L_BOOL bOkPress);
L_VOID OnUseColorsClick          (HWND hWnd);
L_VOID OnShowBarColorDlg         (HWND hWnd);
L_VOID OnShowSpaceColorDlg       (HWND hWnd);

L_BOOL CALLBACK ReadDlgProc (HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
   L_INT    nRet;

   UNREFERENCED_PARAMETER(lParam);
   switch (message)
   {
   case WM_INITDIALOG:
      InitReadDialog(hDlg);      
      return TRUE;
   case WM_COMMAND:
      switch (LOWORD(wParam))
      {
      case IDC_SYMB_TYPE:
         switch (HIWORD(wParam))
         {
         case CBN_SELCHANGE:
            OnSelChangeSymbType(hDlg);
            break;
         }
         return TRUE;
      case IDC_MULTIPLE_MAX:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_LOC_START_X:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_LOC_START_Y:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_LOC_WIDTH:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_LOC_HEIGHT:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_MIN_LENGTH:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_WHITE_LINES:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_GRANULARITY:
         switch (HIWORD(wParam))
         {
         case EN_CHANGE:
            ValidateReadDialog(hDlg, FALSE);
            break;
         }
         return TRUE;
      case IDC_CHK_USERGN:
         switch (HIWORD(wParam))
         {
         case BN_CLICKED:
            OnChkUseRgn(hDlg);
            break;
         }
         return TRUE;
      case IDC_SEARCH_ANY:
         switch (HIWORD(wParam))
         {
         case BN_CLICKED:
            OnSearchAllClick(hDlg);
            break;
         }
         return TRUE;
      case IDC_USE_COLORS:
         switch (HIWORD(wParam))
         {
         case BN_CLICKED:
            OnUseColorsClick(hDlg);
            break;
         }
         return TRUE;
      case IDC_BAR_COLOR_DLG:
         switch (HIWORD(wParam))
         {
         case BN_CLICKED:
            OnShowBarColorDlg(hDlg);
            break;
         }
         return TRUE;
      case IDC_SPACE_COLOR_DLG:
         switch (HIWORD(wParam))
         {
         case BN_CLICKED:
            OnShowSpaceColorDlg(hDlg);
            break;
         }
         return TRUE;
      case IDOK:
         nRet = ValidateReadDialog(hDlg, TRUE);
         if (nRet == SUCCESS)
            EndDialog (hDlg, IDOK);
         return TRUE;
      case IDCANCEL:
         EndDialog (hDlg, IDCANCEL);
         return TRUE;
      }
   }
   return FALSE;
}

L_VOID OnSelChangeSymbType(HWND hWnd)
{
   HWND  hwndCtrl;
   DWORD dwSymbType;

   hwndCtrl   = GetDlgItem(hWnd, IDC_SYMB_TYPE);
   dwSymbType = ComboBox_GetItemData(hwndCtrl, ComboBox_GetCurSel(hwndCtrl));

   switch (dwSymbType)
   {
#ifndef UNICODE
   case BAR_CODE_1D:
      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("EAN 13"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("EAN 8"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("UPC A"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("UPC E"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Code 3 of 9"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Code 128"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Code I 2 of 5"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("CODABAR"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("UCCEAN 128"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Code 93"));

      hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
      EnableWindow(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
      EnableWindow(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
      EnableWindow(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_ERR_DIGIT);
      EnableWindow(hwndCtrl, TRUE);
      Button_SetCheck(hwndCtrl, Bar1D.bErrorCheck);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RETURN_CHECKDIGIT);
      EnableWindow(hwndCtrl, TRUE);
      Button_SetCheck(hwndCtrl, bReturnCheckDigit);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_LEFT_TO_RIGHT) == BARCODE_DIR_LEFT_TO_RIGHT))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) &&  ((Bar1D.nDirection & BARCODE_DIR_RIGHT_TO_LEFT) == BARCODE_DIR_RIGHT_TO_LEFT))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_TOP_TO_BOTTOM) == BARCODE_DIR_TOP_TO_BOTTOM))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_BOTTOM_TO_TOP) == BARCODE_DIR_BOTTOM_TO_TOP))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_SKEW) == BARCODE_DIR_SKEW))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_HORIZONTAL) == BARCODE_DIR_HORIZONTAL))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_VERTICAL) == BARCODE_DIR_VERTICAL))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_DIAGONAL) == BARCODE_DIR_DIAGONAL))
         Button_SetCheck(hwndCtrl, TRUE);
      break;
#endif
   case BAR_CODE_DM:
      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Square"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Rectangle"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
      ShowWindow(hwndCtrl, SW_SHOW);
      SetWindowText(hwndCtrl, TEXT("Small"));

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_ERR_DIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RETURN_CHECKDIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
      EnableWindow(hwndCtrl, FALSE);
      break;
   case BAR_CODE_PDF:
      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_ERR_DIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RETURN_CHECKDIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((BarRPDF.nDirection & BARCODE_DIR_LEFT_TO_RIGHT) == BARCODE_DIR_LEFT_TO_RIGHT))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) &&  ((BarRPDF.nDirection & BARCODE_DIR_RIGHT_TO_LEFT) == BARCODE_DIR_RIGHT_TO_LEFT))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((BarRPDF.nDirection & BARCODE_DIR_TOP_TO_BOTTOM) == BARCODE_DIR_TOP_TO_BOTTOM))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((BarRPDF.nDirection & BARCODE_DIR_BOTTOM_TO_TOP) == BARCODE_DIR_BOTTOM_TO_TOP))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_SKEW) == BARCODE_DIR_SKEW))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_HORIZONTAL) == BARCODE_DIR_HORIZONTAL))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_VERTICAL) == BARCODE_DIR_VERTICAL))
         Button_SetCheck(hwndCtrl, TRUE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
      EnableWindow(hwndCtrl, TRUE);
      if ((bInitDlg) && ((Bar1D.nDirection & BARCODE_DIR_DIAGONAL) == BARCODE_DIR_DIAGONAL))
         Button_SetCheck(hwndCtrl, TRUE);

      break;
   case BAR_CODE_QR:
      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
      ShowWindow(hwndCtrl, SW_HIDE);

      hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_ERR_DIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RETURN_CHECKDIGIT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
      EnableWindow(hwndCtrl, FALSE);

      hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
      EnableWindow(hwndCtrl, FALSE);
      break;
   }
}

L_VOID OnSearchAllClick(HWND hWnd)
{
   HWND hwndCtrl;

   if (!bInitDlg)
      bSearchAll = !bSearchAll;

   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_ANY);
   Button_SetCheck(hwndCtrl, bSearchAll);

   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
   EnableWindow(hwndCtrl, !bSearchAll);
   hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
   EnableWindow(hwndCtrl, !bSearchAll);
}

L_VOID OnChkUseRgn(HWND hWnd)
{
   HWND hwndCtrl;

   if (!bInitDlg)
      bUseRgn = !bUseRgn;

   hwndCtrl = GetDlgItem(hWnd, IDC_CHK_USERGN);
   Button_SetCheck(hwndCtrl, bUseRgn);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_X);
   EnableWindow(hwndCtrl, !bUseRgn);
   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_Y);
   EnableWindow(hwndCtrl, !bUseRgn);
   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_WIDTH);
   EnableWindow(hwndCtrl, !bUseRgn);
   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_HEIGHT);
   EnableWindow(hwndCtrl, !bUseRgn);
}

L_INT ValidateReadDialog(HWND hWnd, L_BOOL bOkPress)
{
   HWND     hwndCtrl;
   HWND     hwndOKBtn;
   L_TCHAR   szText[MAX_BUFFER_SIZE];
   L_BOOL   bDirFlag;
   L_BOOL   bBarCheck;

   hwndOKBtn= GetDlgItem(hWnd, IDOK);
   hwndCtrl = GetDlgItem(hWnd, IDC_MULTIPLE_MAX);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      nMultiMax = _ttoi(szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_X);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      rcBarSearch.left = _ttoi(szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_Y);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      rcBarSearch.top = _ttoi(szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_WIDTH);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      rcBarSearch.right = _ttoi(szText) + rcBarSearch.left;

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_HEIGHT);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      rcBarSearch.bottom = _ttoi(szText) + rcBarSearch.top;
   
   hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
   {
      if (_ttoi(szText) > 63 || _ttoi(szText) < 1)
         MessageBox(hWnd, TEXT("Invalid value, please enter value between 1 - 63"), TEXT("Notice"), MB_OK);
      else
         Bar1D.nMinLength = _ttoi(szText);
   }

   hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
      Bar1D.nWhiteLines = _ttoi(szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
   memset(szText, 0, MAX_BUFFER_SIZE);
   GetWindowText(hwndCtrl, szText, MAX_BUFFER_SIZE);
   if (lstrlen(szText) == 0)
   {
      EnableWindow(hwndOKBtn, FALSE);
      return FAILURE;
   }
   else
   {
      if (_ttoi(szText) > 256 || _ttoi(szText) < 1)
         MessageBox(hWnd, TEXT("Invalid value, please enter value between 1 - 256"), TEXT("Notice"), MB_OK);
      else
         Bar1D.nGranularity = _ttoi(szText);
   }

   if (bOkPress)
   {
      hwndCtrl = GetDlgItem(hWnd, IDC_SYMB_TYPE);
      nRCurSelSymbType = ComboBox_GetItemData(hwndCtrl, ComboBox_GetCurSel(hwndCtrl));

      hwndCtrl = GetDlgItem(hWnd, IDC_UNITS);
      nRUnits = ComboBox_GetItemData(hwndCtrl, ComboBox_GetCurSel(hwndCtrl));

      ulSearchType = 0;
      switch (nRCurSelSymbType)
      {
#ifndef UNICODE
      case BAR_CODE_1D:
         if (bSearchAll)   ulSearchType = BARCODE_1D_READ_ANYTYPE;
         else
         {
            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_EAN_13;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_EAN_8;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_UPC_A;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE4);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_UPC_E;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE5);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_CODE_3_OF_9;
            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE6);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_CODE_128;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE7);
            bBarCheck = Button_GetCheck(hwndCtrl);            
            if (bBarCheck) ulSearchType |= BARCODE_1D_CODE_I2_OF_5;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE8);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_CODA_BAR;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE9);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_UCCEAN_128;

            hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE10);
            bBarCheck = Button_GetCheck(hwndCtrl);
            if (bBarCheck) ulSearchType |= BARCODE_1D_CODE_93;
         }

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RETURN_CHECKDIGIT);
         EnableWindow(hwndCtrl, TRUE);
         bReturnCheckDigit = Button_GetCheck(hwndCtrl);

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_ERR_DIGIT);
         Bar1D.bErrorCheck = Button_GetCheck(hwndCtrl);

         Bar1D.nDirection = 0;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_BOTTOM_TO_TOP;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_LEFT_TO_RIGHT;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_RIGHT_TO_LEFT;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_TOP_TO_BOTTOM;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_SKEW;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_HORIZONTAL;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_VERTICAL;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) Bar1D.nDirection |= BARCODE_DIR_DIAGONAL;

         break;
#endif
      case BAR_CODE_DM:
         hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE1);
         bBarCheck = Button_GetCheck(hwndCtrl);
         if (bBarCheck) ulSearchType |= BARCODE_DM_READ_SQUARE;

         hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE2);
         bBarCheck = Button_GetCheck(hwndCtrl);
         if (bBarCheck) ulSearchType |= BARCODE_DM_READ_RECTANGLE;

         hwndCtrl = GetDlgItem(hWnd, IDC_SEARCH_TYPE3);
         bBarCheck = Button_GetCheck(hwndCtrl);
         if (bBarCheck) ulSearchType |= BARCODE_DM_READ_SMALL;

         if (bSearchAll)
         {
            ulSearchType = BARCODE_DM_READ_SMALL |
                           BARCODE_DM_READ_RECTANGLE |
                           BARCODE_DM_READ_SQUARE;
         }
         break;
      case BAR_CODE_PDF:
         ulSearchType = BARCODE_PDF417;

         BarRPDF.nDirection = 0;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_BOTTOM_TO_TOP);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_BOTTOM_TO_TOP;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_LEFT_TO_RIGHT);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_LEFT_TO_RIGHT;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_RIGHT_TO_LEFT);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_RIGHT_TO_LEFT;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_TOP_TO_BOTTOM);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_TOP_TO_BOTTOM;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_SKEW);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_SKEW;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_HORIZANTAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_HORIZONTAL;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_VERTICAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_VERTICAL;

         hwndCtrl = GetDlgItem(hWnd, IDC_CHK_DIR_DIAGONAL);
         bDirFlag = Button_GetCheck(hwndCtrl);
         if (bDirFlag) BarRPDF.nDirection |= BARCODE_DIR_DIAGONAL;

         break;
      case BAR_CODE_QR:
         ulSearchType = BARCODE_QR_CODE;
         break;
      }

      ulRFlags = (bRUseColors) ? BARCODE_USECOLORS : 0;
      if (bReturnCheckDigit)
         ulRFlags |= BARCODE_RETURNCHECK;
   }
   else
      EnableWindow(hwndOKBtn, TRUE);

   return SUCCESS;
}

L_VOID InitReadDialog(HWND hWnd)
{
   HWND     hwndCtrl;
   L_TCHAR   szText[MAX_BUFFER_SIZE];

   hwndCtrl = GetDlgItem(hWnd, IDC_SYMB_TYPE);

#ifndef UNICODE
   ComboBox_AddString (hwndCtrl, TEXT("Bar Codes"));  
#endif
   ComboBox_AddString (hwndCtrl, TEXT("PDF417"));
   ComboBox_AddString (hwndCtrl, TEXT("Data Matrix"));
   ComboBox_AddString (hwndCtrl, TEXT("QR"));

#ifndef UNICODE
   ComboBox_SetItemData (hwndCtrl, 0, BAR_CODE_1D);
   ComboBox_SetItemData (hwndCtrl, 1, BAR_CODE_PDF);
   ComboBox_SetItemData (hwndCtrl, 2, BAR_CODE_DM);
   ComboBox_SetItemData (hwndCtrl, 3, BAR_CODE_QR);
   ComboBox_SetCurSel (hwndCtrl, nRCurSelSymbType);
#else
   ComboBox_SetItemData (hwndCtrl, 0, BAR_CODE_PDF);
   ComboBox_SetItemData (hwndCtrl, 1, BAR_CODE_DM);
   ComboBox_SetItemData (hwndCtrl, 2, BAR_CODE_QR);
   ComboBox_SetCurSel (hwndCtrl, nRCurSelSymbType - 1);
#endif

   hwndCtrl = GetDlgItem(hWnd, IDC_UNITS);
   ComboBox_AddString(hwndCtrl, TEXT("Scans/Pixels"));
   ComboBox_AddString(hwndCtrl, TEXT("Inches"));
   ComboBox_AddString(hwndCtrl, TEXT("MiliMeters"));

   ComboBox_SetItemData(hwndCtrl, 0, BARCODE_SCANLINES_PER_PIXELS);
   ComboBox_SetItemData(hwndCtrl, 1, BARCODE_INCHES);
   ComboBox_SetItemData(hwndCtrl, 2, BARCODE_MILLIMETERS);

   ComboBox_SetCurSel(hwndCtrl, nRUnits);

   hwndCtrl = GetDlgItem(hWnd, IDC_MULTIPLE_MAX);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), nMultiMax);
   SetWindowText(hwndCtrl, szText);
  
   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_X);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), rcBarSearch.left);
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_START_Y);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), rcBarSearch.top);
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_WIDTH);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), abs(rcBarSearch.right - rcBarSearch.left));
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_LOC_HEIGHT);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), abs(rcBarSearch.bottom - rcBarSearch.top));
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_MIN_LENGTH);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), Bar1D.nMinLength);
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_WHITE_LINES);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), Bar1D.nWhiteLines);
   SetWindowText(hwndCtrl, szText);

   hwndCtrl = GetDlgItem(hWnd, IDC_GRANULARITY);
   memset(szText, 0, MAX_BUFFER_SIZE);
   wsprintf(szText, TEXT("%d"), Bar1D.nGranularity);
   SetWindowText(hwndCtrl, szText);

   bInitDlg = TRUE;
   OnSelChangeSymbType(hWnd);
   OnSearchAllClick(hWnd);
   OnChkUseRgn(hWnd);
   OnUseColorsClick(hWnd);
   bInitDlg = FALSE;
}

L_VOID OnUseColorsClick(HWND hWnd)
{
   HWND hwndCtrl;

   if (!bInitDlg)
      bRUseColors = !bRUseColors;

   hwndCtrl = GetDlgItem(hWnd, IDC_USE_COLORS);
   Button_SetCheck(hwndCtrl, bRUseColors);

   hwndCtrl = GetDlgItem(hWnd, IDC_BAR_COLOR_DLG);
   EnableWindow(hwndCtrl, bRUseColors);
   hwndCtrl = GetDlgItem(hWnd, IDC_SPACE_COLOR_DLG);
   EnableWindow(hwndCtrl, bRUseColors);
}

L_VOID OnShowBarColorDlg(HWND hWnd)
{
   COLORREF    crCust[16];
   CHOOSECOLOR cc;

   memset(&cc, 0, sizeof(CHOOSECOLOR));

   cc.lStructSize = sizeof(CHOOSECOLOR);
   cc.hwndOwner = hWnd;
   cc.hInstance = (HWND)hInstMain;
   cc.rgbResult = BarRColor.dwColorBar;
   cc.lpCustColors = crCust;
   cc.Flags = CC_RGBINIT;

   if (ChooseColor(&cc))
      BarRColor.dwColorBar = cc.rgbResult;
}

L_VOID OnShowSpaceColorDlg(HWND hWnd)
{
   COLORREF    crCust[16];
   CHOOSECOLOR cc;

   memset(&cc, 0, sizeof(CHOOSECOLOR));

   cc.lStructSize = sizeof(CHOOSECOLOR);
   cc.hwndOwner = hWnd;
   cc.hInstance = (HWND)hInstMain;
   cc.rgbResult = BarRColor.dwColorSpace;
   cc.lpCustColors = crCust;
   cc.Flags = CC_RGBINIT;

   if (ChooseColor(&cc))
      BarRColor.dwColorSpace = cc.rgbResult;
}