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

unit ProcessWM_WINSTN;

interface

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

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

implementation

uses
  AppCtrlDefine, ApiHookPrint, BS1Hook, Tocsg.Safe, System.SysUtils, Condition,
  Tocsg.Graphic, Winapi.GDIPAPI, Tocsg.Strings, Vcl.Imaging.jpeg, Tocsg.Trace,
  Tocsg.Convert;

function ProcessWartermark_WINSTN(DC: HDC; bStartPage: Boolean = true): Boolean;
var
  nW, nH, i, nX, nY, nTextH,
  nGapW, nGapH, nDefDivFont: Integer;
  sText: String;
  MemCanvas: TCanvas;
  hbmp, hOldBmp: HBITMAP;
  pen: HPEN;
  oldColor: TColor;
  r: TRect;
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)]));

//        WriteLnFileEndUTF8('C:\ProgramData\HE\prt.log', Format('W = %d, H = %d,', [nW, nH]));
//        WriteLnFileEndUTF8('C:\ProgramData\HE\prt.log', 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);
//      if bStartPage then
//      begin
//        MemCanvas.Handle := CreateCompatibleDC(DC);
//      end else
        MemCanvas.Handle := DC; //CreateCompatibleDC(DC);
      hbmp := CreateCompatibleBitmap(MemCanvas.Handle, nW, nH);
      hOldBmp := SelectObject(MemCanvas.Handle, hbmp);

//      if bStartPage then
//        PatBlt(MemCanvas.Handle, 0, 0, nW, nH, WHITENESS);

      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;
//
//        nDefDivFont := 180;
//
//      end else
//      begin
//      // KBIZ에서는 제외, 아래 짤리는 현상이 확인됨 24_0801 15:47:28 kku
//        if gAppHook.Helper.bEndDocProc_ then
//        begin
          if (CompareText(gAppHook.ModuleName, 'winword.exe') = 0) or
             (CompareText(gAppHook.ModuleName, 'notepad++.exe') = 0) then
            nGapH := 45;
//        end;
//
//        nDefDivFont := 190;
//      end;

    // 기본 폰트 조절
      if nW > nH then
        MemCanvas.Font.Size := nW div 190
      else
        MemCanvas.Font.Size := nH div 190;
      oldColor := GetTextColor(DC);
    // 폰트색 지정... 프로그램에 따라 지정되는 설정이 다르다
      MemCanvas.Font.Color := clGray; // 메모장등
      SetTextColor(DC, clGray); // 엑셀등

      try
        SetBkMode(MemCanvas.Handle, TRANSPARENT);

        MemCanvas.Font.Color := clGray;

      // 왼쪽 하단
        sText := gAppHook.Helper.sCurDocName_ + ' / ' + gAppHook.Helper.sPrintWaterTxt;
        nTextH := MemCanvas.TextHeight(sText);
        nY := nH - nTextH + nGapH;
        MemCanvas.TextOut(nGapW, nY, sText);

        Dec(nY, nTextH + (nTextH div 3));
        sText := 'This document is property of the WINSTECHNET And may not be modlfied, copled or distributed without prior consent of the WINSTECHNET';
        MemCanvas.TextOut(nGapW, nY, sText);

        Dec(nY, nTextH + (nTextH div 3));
        sText := '이 문서는 ㈜윈스테크넷의 자산입니다.';
        MemCanvas.TextOut(nGapW, nY, sText);

// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
        if _bmpWater = nil then
        begin
          var sImgPath: String := ExtractFilePath(gAppHook.Helper.DllPath) + 'CI.bmp';
          if FileExists(sImgPath) then
          begin
            try
              _bmpWater := TBitmap.Create;
              _bmpWater.PixelFormat := pf4bit; // 이거 켜면 흑백 출력시 안됨 24_0807 15:52:56 kku
              _bmpWater.LoadFromFile(sImgPath);

//              LogToReg('BW-01', BooleanToStr(gAppHook.Helper.CurAppType = catWebb, 'YES', 'NO'));
              if gAppHook.Helper.CurAppType = catWebb then
                ScalePercentBmp(_bmpWater, 40)
              else
                ScalePercentBmp(_bmpWater, 140);
              _bmpWater.TransparentColor := clWhite;
              _bmpWater.Transparent := true;
//              _bmpWater.SaveToFile('C:\Users\kku\Desktop\이전 바탕화면\출력 추출 데이터\1.bmp');
            except
            // ..
            end;
          end;
        end;

        if _bmpWater <> nil then
        begin
          var cTrMatrix: TColorMatrix;
          ZeroMemory(@cTrMatrix, SizeOf(cTrMatrix));

          if gAppHook.Helper.bSmallFont_ then
            cTrMatrix := MakeColorMatrix(0.2, 0.2, 0.2, BooleanToFloat(gAppHook.Helper.CtrlOpt.fWmTran <> 0.0, gAppHook.Helper.CtrlOpt.fWmTran, 0.05))
          else
            cTrMatrix := MakeColorMatrix(0.2, 0.2, 0.2, BooleanToFloat(gAppHook.Helper.CtrlOpt.fWmTran <> 0.0, gAppHook.Helper.CtrlOpt.fWmTran, 0.08));

          Dec(nW, nGapW);
          Dec(nH, nGapH);
          nX := (nW div 4) - (_bmpWater.Width div 2);
          nY := (nH div 4) - (_bmpWater.Height div 2);

//          MemCanvas.Draw(nX, nY, _bmpWater);
          if not gAppHook.Helper.IsExcel or
             ( gAppHook.Helper.IsExcel and bStartPage and not _bDoStartProc) or
             ( gAppHook.Helper.IsExcel and not bStartPage ) then
          begin
            DrawBitmapWaterEx(MemCanvas.Handle, nX, nY, _bmpWater, @cTrMatrix);
          end;
        end;
  // <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

//        if bStartPage then
//          BitBlt(DC, 0, 0, nW, nH, MemCanvas.Handle, 0, 0, SRCCOPY);

        SelectObject(MemCanvas.Handle, hOldBmp);

  //      DeleteObject(pen);
        DeleteObject(hbmp);
//        if bStartPage then
//          DeleteDC(MemCanvas.Handle);
        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.