print.cpp

ncbi源码

/*
 * ===========================================================================
 * PRODUCTION $Log: print.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 21:03:53  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 * PRODUCTION
 * ===========================================================================
 */

/*  $Id: print.cpp,v 1000.1 2004/06/01 21:03:53 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software / database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software / database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Peter Meric
 *
 * File Description:
 *    Encapsulation of printing functionality
 */

#include <ncbi_pch.hpp>
#include <gui/print/print.hpp>
#include <gui/utils/app_popup.hpp>
#include <gui/print/print_context.hpp>
#include <gui/print/print_options.hpp>
#include <gui/print/pdf.hpp>
#include <gui/print/postscript.hpp>
#include <gui/print/vector_output.hpp>

#include "pdf_object.hpp"
#include "pdf_object_writer.hpp"
#include "page_handler.hpp"
#include "page_buffers.hpp"


BEGIN_NCBI_SCOPE



template <typename T>
void s_PrintContextTmpl(const CPrintOptions& opts,
                        const CPrintContext& print_context
                       )
{
    const string& fname = opts.GetFilename();
    if (fname.empty()) {
        return;
    }

    CNcbiOfstream ostr(fname.c_str(), ios::binary);

    CVectorOutput<T> output;
    output.SetOptions(opts);
    output.SetOutputStream(&ostr);

    output.BeginDocument();
    output.PrintPage(&print_context);
    output.EndDocument();
}


void PrintContext(const CPrintContext& ctx, const CPrintOptions& opts)
{
    switch (opts.GetOutputFormat()) {
    case CPrintOptions::ePostscript:
        LOG_POST(Info << "Postscript output deprecated: please use PDF");
        s_PrintContextTmpl<CPostscript>(opts, ctx);
        break;

    case CPrintOptions::ePdf:
        s_PrintContextTmpl<CPdf>(opts, ctx);
        if (opts.GetPrintOutput()) {
            CAppPopup::PopupFile(opts.GetFilename(), filetype::ePdf);
        }
        break;

    case CPrintOptions::eSvg:
        LOG_POST(Info << "SVG output not implemented yet");
        break;

    case CPrintOptions::ePng:
        LOG_POST(Info << "PNG output not implemented yet");
        break;

    default:
        _TRACE("output format not understood: " << opts.GetOutputFormat());
        break;
    }
}



END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: print.cpp,v $
 * Revision 1000.1  2004/06/01 21:03:53  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 *
 * Revision 1.4  2004/05/21 22:27:50  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.3  2003/08/15 17:02:16  meric
 * Updates include paths for print-related files from gui/utils to gui/print
 *
 * Revision 1.2  2003/06/25 18:02:51  meric
 * Source rearrangement: move "private" headers into the src/ tree
 *
 * Revision 1.1  2003/06/25 16:25:29  meric
 * Initial version
 *
 *
 * ===========================================================================
 */