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

unit ProcessWM_DEMO;

interface

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

type
  PRGBQuadArray = ^TRGBQuadArray;
  TRGBQuadArray = array[0..0] of TRGBQuad;

function ProcessWartermark_DEMO(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, EM.DelphiZXIngQRCode, Tocsg.WinInfo, Tocsg.Network, Winapi.GDIPOBJ, Winapi.GDIPUTIL, System.Math;

procedure DrawRotatedText(Canvas: TCanvas; X, Y, Angle: Integer; const Text: string);
var
  LogFont: TLogFont;
  OldFont, RotatedFont: HFONT;
begin
  // 기존 폰트를 기반으로 로그폰트 가져오기
  GetObject(Canvas.Font.Handle, SizeOf(LogFont), @LogFont);

  // 회전 각도 설정 (0.1도 단위, 즉 450 = 45도)
  LogFont.lfEscapement := Angle * 10;
  LogFont.lfOrientation := Angle * 10;

  // 안티앨리어싱 등 품질 향상 옵션
  LogFont.lfQuality := ANTIALIASED_QUALITY;

  // 회전 폰트 생성
  RotatedFont := CreateFontIndirect(LogFont);
  OldFont := SelectObject(Canvas.Handle, RotatedFont);

  // 텍스트 출력
  TextOut(Canvas.Handle, X, Y, PChar(Text), Length(Text));

  // 자원 정리
  SelectObject(Canvas.Handle, OldFont);
  DeleteObject(RotatedFont);
end;

function ProcessWartermark_DEMO(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;
  rc: 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(@rc, SizeOf(rc));
        GetClipBox(DC, rc);
        nW := rc.Width;
        nH := rc.Height;
        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; //CreateCompatibleDC(DC);
      hbmp := CreateCompatibleBitmap(MemCanvas.Handle, nW, nH);
      hOldBmp := SelectObject(MemCanvas.Handle, hbmp);

      nGapW := 0;
      nGapH := 0;

      MemCanvas.Font.Name := '돋움'; //'Segoe UI';//'Tahoma'; // '굴림';
      if (CompareText(gAppHook.ModuleName, 'winword.exe') = 0) or
         (CompareText(gAppHook.ModuleName, 'notepad++.exe') = 0) then
        nGapH := 60;

    // 기본 폰트 조절
      if nW > nH then
        MemCanvas.Font.Size := nW div 160
      else
        MemCanvas.Font.Size := nH div 160;
      oldColor := GetTextColor(DC);

      try
        SetBkMode(MemCanvas.Handle, TRANSPARENT);
        MemCanvas.Font.Color := clGray;
        SetTextColor(DC, clGray);
        sText := gAppHook.Helper.sPrintWaterTxt;

        // QR 코드 추가 25_1106 20:17:25 kku
        var QRCode: TDelphiZXingQRCode;
        Guard(QRCode, TDelphiZXingQRCode.Create);
        QRCode.Data := '"' + sText + '"';
        QRCode.QuietZone := 4;
        var QrBmp: TBitmap;
        Guard(QrBmp, TBitmap.Create);
        QrBmp.SetSize(QRCode.Rows, QRCode.Columns);
        var R, C, nQrSize: Integer;
        for R := 0 to QRCode.Rows - 1 do
        begin
          for C := 0 to QRCode.Columns - 1 do
          begin
            if (QRCode.IsBlack[R, C]) then
            begin
              QrBmp.Canvas.Pixels[C, R] := clBlack;
            end else
            begin
              QrBmp.Canvas.Pixels[C, R] := clWhite;
            end;
          end;
        end;

        ZeroMemory(@rc, SizeOf(rc));
        if nW < nH then
          nQrSize := nW div 20
        else
          nQrSize := nH div 20;

        rc.Left :=  nW - nQrSize;
        rc.Right := nW;
        rc.Top := nH - nQrSize;
        rc.Bottom := nH;

        MemCanvas.StretchDraw(rc, QrBmp);

// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
      // 사선 텍스트
        if _bmpWaterP = nil then
        begin
//          sText := CtrlOpt.sPrintWaterTxt;
          sText := Format('%s / %s / %s', [GetComName, GetHostIP, FormatDateTime('yyyy-mm-dd hh:nn:ss', Now)]);
          sText := Format('%s / %s', [GetComName, FormatDateTime('yyyy-mm-dd hh:nn:ss', Now)]);
          sText := sText + '     ' + sText + '     ' + sText + '     ' + sText + '     ' + sText;
          try
//            _bmpWaterP := CreateWatermarkBitmap_Final(sText, 50, 0.35, -45, 1500);
//            _bmpWaterP.SaveToFile('C:\ProgramData\HE\test1.bmp');

            _bmpWaterP := TBitmap.Create;
            _bmpWaterP.PixelFormat := pf32bit;
            _bmpWaterP.Canvas.Font.Assign(MemCanvas.Font);
            _bmpWaterP.Canvas.Font.Color := clGray;
            _bmpWaterP.Canvas.Font.Size := 15;
            _bmpWaterP.Canvas.Font.Style := _bmpWaterP.Canvas.Font.Style - [fsBold];
            _bmpWaterP.TransparentColor := clWhite;
            _bmpWaterP.Transparent := true;

            var nTW: Integer := _bmpWaterP.Canvas.TextWidth(sText);
            _bmpWaterP.SetSize(nTW, _bmpWaterP.Canvas.TextHeight(sText));
            _bmpWaterP.Canvas.TextOut(0, 0, sText);

//            _bmpWaterP.SetSize(nW, nH);
//            var nGap: Integer := _bmpWaterP.Canvas.TextHeight(sText) * 18;
//            DrawRotatedText(_bmpWaterP.Canvas, nGap * -1, 0, -45, sText);
//            DrawRotatedText(_bmpWaterP.Canvas, 0, 0, -45, sText);
//            DrawRotatedText(_bmpWaterP.Canvas, nGap, 0, -45, sText);

          except
          // ..
          end;
        end;

        if _bmpWaterP <> 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, 0.13))
          else
            cTrMatrix := MakeColorMatrix(0.2, 0.2, 0.2, BooleanToFloat(gAppHook.Helper.CtrlOpt.fWmTran <> 0.0, gAppHook.Helper.CtrlOpt.fWmTran, 0.15));

          if not gAppHook.Helper.IsExcel or
             ( gAppHook.Helper.IsExcel and bStartPage and not _bDoStartProc) or
             ( gAppHook.Helper.IsExcel and not bStartPage ) then
          begin
            var nGap: Integer := _bmpWaterP.Canvas.TextHeight(sText) * 22;
            DrawBitmapWaterEx2(MemCanvas.Handle, nGap * -1, 0, _bmpWaterP, @cTrMatrix, 0, 0, 45);
            DrawBitmapWaterEx2(MemCanvas.Handle, 0, 0, _bmpWaterP, @cTrMatrix, 0, 0, 45);
            DrawBitmapWaterEx2(MemCanvas.Handle, nGap, 0, _bmpWaterP, @cTrMatrix, 0, 0, 45);

//            DrawBitmapWaterEx2(MemCanvas.Handle, 0, 0, _bmpWaterP, @cTrMatrix);
          end;
        end;

      // CI 이미지 출력
      {
        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.TransparentColor := clWhite;
              _bmpWater.Transparent := true;

              var bmp: TBitmap;
              Guard(bmp, TBitmap.Create);
              bmp.LoadFromFile(sImgPath);
              _bmpWater.SetSize(bmp.Width * 4, bmp.Height * 4);
              _bmpWater.Canvas.Draw((_bmpWater.Width div 2) - (bmp.Width div 2),
                                    (_bmpWater.Height div 2) - (bmp.Height div 2), bmp);

//              LogToReg('BW-01', BooleanToStr(gAppHook.Helper.CurAppType = catWebb, 'YES', 'NO'));
              if gAppHook.Helper.CurAppType = catWebb then
                ScalePercentBmp(_bmpWater, 40)
              else
                ScalePercentBmp(_bmpWater, 150);
//              _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, 0.04))
          else
//            cTrMatrix := MakeColorMatrix(0.2, 0.2, 0.2, 0.0099);
            cTrMatrix := MakeColorMatrix(0.2, 0.2, 0.2, BooleanToFloat(gAppHook.Helper.CtrlOpt.fWmTran <> 0.0, gAppHook.Helper.CtrlOpt.fWmTran, 0.05));

          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.