{*******************************************************}
{                                                       }
{       ProcessWatermark                                }
{                                                       }
{       Copyright (C) 2025 kku                          }
{                                                       }
{*******************************************************}

unit ProcessWM_Custom;

interface

uses
  Winapi.Windows, System.Classes, Vcl.Graphics;

function ProcessWartermark_Custom(DC: HDC; bStartPage: Boolean = true): Boolean;

implementation

uses
  AppCtrlDefine, ApiHookPrint, BS1Hook, Tocsg.Safe, System.SysUtils, Condition,
  Tocsg.Graphic, Tocsg.Trace, GlobalDefine, Tocsg.Strings, Tocsg.WinInfo,
  Tocsg.Network;

function ProcessWartermark_Custom(DC: HDC; bStartPage: Boolean = true): Boolean;
var
  nW, nH, i, nX, nY,
  nGapW, nGapH, nDefDivFont: Integer;
  sText: String;
  MemCanvas: TCanvas;
  hbmp, hOldBmp: HBITMAP;
  pen: HPEN;
  oldColor: TColor;
  CtrlOpt: TAppCtrlOpt;
  r: TRect;
  PWC: TPrtWaterCfg;
begin
  Result := true;

  if _PrtDC <> DC then
    exit;

  SaveDC(DC);
  gAppHook.Helper.bIsWaterMaking_ := true;
  try
//    WriteLnFileEndUTF8('C:\ProgramData\HE\prt.log', 'Step-0');
    try
      if gAppHook.Helper.IsExcel then
      begin
      // 클리핑 제거 25_0605 14:51:11 kku
        SelectClipRgn(DC, 0);

      // 엑셀은 출력시트 설정에 따라 전체 영역으로 잡히는 않는 현상이 있다.. 24_0805 13:46:31 kku
        nW := GetDeviceCaps(DC, HORZRES); // 세로모드 : 4961, 가로모드 : 7016, 크로미움 프린트 인쇄시 4760
        nH := GetDeviceCaps(DC, VERTRES); // 세로모드 : 7016, 가로모드 : 4961, 크로미움 프린트 인쇄시 6814
      end else begin
//        if bStartPage then // 이럴리 없겠지만 안전장치
//          exit;

        ZeroMemory(@r, SizeOf(r));
        GetClipBox(DC, r);
        nW := r.Width;
        nH := r.Height;
//        LogToReg('Step-1', Format('W = %d, H = %d,', [nW, nH]));
//        LogToReg('Step-2', Format('W = %d, H = %d,', [GetDeviceCaps(DC, HORZRES), GetDeviceCaps(DC, VERTRES)]));

        if nW = 0 then
          nW := GetDeviceCaps(DC, HORZRES); // 세로모드 : 4961, 가로모드 : 7016, 크로미움 프린트 인쇄시 4760
        if nH = 0 then
          nH := GetDeviceCaps(DC, VERTRES); // 세로모드 : 7016, 가로모드 : 4961, 크로미움 프린트 인쇄시 6814
      end;

      Guard(MemCanvas, TCanvas.Create);
      MemCanvas.Handle := DC;
      hbmp := CreateCompatibleBitmap(MemCanvas.Handle, nW, nH);
      hOldBmp := SelectObject(MemCanvas.Handle, hbmp);

      nGapW := 0;
      nGapH := 0;

      MemCanvas.Font.Name := 'Tahoma';
      if gAppHook.Helper.bSmallFont_ then
      begin
        if Pos('PDF', UpperCase(_sPrtName)) = 0 then
        begin
        // 일반 프린터에서만 밀리는 현상이 있어서 갭을 준다.. 24_0627 10:52:33 kku
          nGapW := 19;
          nGapH := 17;
        end;
      end else begin
//        if gAppHook.Helper.bEndDocProc_ then
//        begin
//          if CompareText(gAppHook.ModuleName, 'winword.exe') = 0 then
//            nGapH := 70;
//        end;
      end;

    // 기본 폰트 조절
    // nDefDivFont을 10이라고 인식하기로함
      if nW > nH then
        nDefDivFont := nW div 130
      else
        nDefDivFont := nH div 130;

      oldColor := GetTextColor(DC);

      try
        CtrlOpt := gAppHook.Helper.CtrlOpt;
        PWC := CtrlOpt.PrtWaterCfg;

        SetBkMode(MemCanvas.Handle, TRANSPARENT);

        MemCanvas.Font.Color := clGray; // 메모장등
        SetTextColor(DC, clGray); // 엑셀등

        if (PWC.sTopText <> '') and (PWC.nTopSize > 0) then
        begin
          if gAppHook.Helper.bEndDocProc_ then
          begin
            if CompareText(gAppHook.ModuleName, 'winword.exe') = 0 then
              nGapH := Round(70.0 * (Double(PWC.nTopSize) / 10));
          end;

          sText := StrsReplace(PWC.sTopText, ['{IpAddr}', '{HostName}', '{MacAddr}', '{EmpNo}', '{Dept}', '{UserName}', '{DateTime}'],
              [CtrlOpt.sIpAddr, GetComName, GetMACAddr, CtrlOpt.sEmpNo, CtrlOpt.sDeptName, CtrlOpt.sUName, FormatDateTime('yyyy-mm-dd hh:nn:ss', Now)]);
          MemCanvas.Font.Size := Round(Double(nDefDivFont) * (Double(PWC.nTopSize) / 10)); // 폰트 크기 줄임 24_0619 14:23:38 kku
          case PWC.nTopPos of
            1 : nX := nGapW; // 왼쪽
            2 : nX := ((nW + nGapW) div 2) - (MemCanvas.TextWidth(sText) div 2); // 가운데
            3 : nX := nW - MemCanvas.TextWidth(sText) + nGapW; // 오른쪽
          end;
          MemCanvas.TextOut(nX, nGapH, sText);
        end;

        if (PWC.sBotText <> '') and (PWC.nBotSize > 0) then
        begin
          if gAppHook.Helper.bEndDocProc_ then
          begin
            if CompareText(gAppHook.ModuleName, 'winword.exe') = 0 then
              nGapH := Round(70.0 * (Double(PWC.nBotSize) / 10));
          end;

          sText := StrsReplace(PWC.sBotText, ['{IpAddr}', '{HostName}', '{MacAddr}', '{EmpNo}', '{Dept}', '{UserName}', '{DateTime}'],
              [CtrlOpt.sIpAddr, GetComName, GetMACAddr, CtrlOpt.sEmpNo, CtrlOpt.sDeptName, CtrlOpt.sUName, FormatDateTime('yyyy-mm-dd hh:nn:ss', Now)]);
          MemCanvas.Font.Size := Round(Double(nDefDivFont) * (Double(PWC.nBotSize) / 10)); // 폰트 크기 줄임 24_0619 14:23:38 kku
          case PWC.nBotPos of
            1 : nX := nGapW; // 왼쪽
            2 : nX := ((nW + nGapW) div 2) - (MemCanvas.TextWidth(sText) div 2); // 가운데
            3 : nX := nW - MemCanvas.TextWidth(sText) + nGapW; // 오른쪽
          end;
          MemCanvas.TextOut(nX, nH - MemCanvas.TextHeight(sText) + nGapH, sText);
        end;

        SelectObject(MemCanvas.Handle, hOldBmp);

        DeleteObject(hbmp);
        MemCanvas.Handle := 0;
      finally
        SetTextColor(DC, oldColor);
      end;

      gAppHook.Log(Format('ProcessWartermark() - Completed, LastError=%d', [GetLastError]));
    except
    // 실패하면 출력 안되게 해준다 22_0907 14:28:52 kku
      Result := false;
      DeleteDC(DC);
    end;
  finally
    gAppHook.Helper.bIsWaterMaking_ := false;
    RestoreDC(DC, -1);
  end;
end;

end.