mainunit.cpp

生成PDF文档的控件

//*******************************************************//
//                                                       //
//       This unit is part of the VISPDF VCL library.    //
//       Written by R.Husske - ALL RIGHTS RESERVED.      //
//                                                       //
//       Copyright (C) 2000-2008, www.vispdf.com         //
//                                                       //
//       e-mail: [e-mail]                      //
//       http://www.vispdf.com                           //
//                                                       //
//*******************************************************//
//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainUnit.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "VPDFDoc"
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::StartButtonClick(TObject *Sender)
{
  TMemoryStream* MemStream = new TMemoryStream();

  VPDF->OutputStream = MemStream;           // Set output stream
  VPDF->Compression = cmFlateDecode;        // Set flate compression

  VPDF->BeginDoc(false);                                      // Create PDF file
  VPDF->CurrentPage->PrintText(10, 10, 0, "Hello world !!!"); // Print text
  VPDF->EndDoc();                                             // Close PDF file

  TFileStream* OutputStream = new TFileStream ( "Memory.pdf", fmCreate);
  OutputStream->CopyFrom( MemStream, MemStream->Size );           // Copy from memory
  delete OutputStream;

  delete MemStream;
}
//---------------------------------------------------------------------------