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Viewing changes to libspectre/spectre-exporter-ps.c

  • Committer: Bazaar Package Importer
  • Author(s): Matthew Rosewarne
  • Date: 2008-01-06 21:58:55 UTC
  • Revision ID: james.westby@ubuntu.com-20080106215855-zmmkfhf4m3190zsj
Tags: upstream-0.2.0.ds
Import upstream version 0.2.0.ds

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libspectre/spectre-exporter-ps.c
 
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/* This file is part of Libspectre.
 
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 * 
 
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 * Copyright (C) 2007 Albert Astals Cid <aacid@kde.org>
 
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 * Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
 
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 *
 
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 * Libspectre is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2, or (at your option)
 
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 * any later version.
 
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 *
 
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 * Libspectre is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
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 */
 
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#include <stdlib.h>
 
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#include "spectre-private.h"
 
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static SpectreStatus
 
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spectre_exporter_ps_begin (SpectreExporter *exporter,
 
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                           const char      *filename)
 
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{
 
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        exporter->from = fopen (exporter->doc->filename, "r");
 
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        if (!exporter->from)
 
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                return SPECTRE_STATUS_EXPORTER_ERROR;
 
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        exporter->to = fopen (filename, "w");
 
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        if (!exporter->to) {
 
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                fclose (exporter->from);
 
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                exporter->from = NULL;
 
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                return SPECTRE_STATUS_EXPORTER_ERROR;
 
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        }
 
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        pscopyheaders (exporter->from, exporter->to, exporter->doc);
 
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        return SPECTRE_STATUS_SUCCESS;
 
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}
 
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static SpectreStatus
 
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spectre_exporter_ps_do_page (SpectreExporter *exporter,
 
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                             unsigned int     page_index)
 
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{
 
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        if (exporter->doc->numpages <= 0)
 
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                return SPECTRE_STATUS_SUCCESS;
 
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        pscopypage (exporter->from, exporter->to, exporter->doc,
 
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                    page_index, exporter->n_pages++);
 
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        return SPECTRE_STATUS_SUCCESS;
 
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}
 
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static SpectreStatus
 
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spectre_exporter_ps_end (SpectreExporter *exporter)
 
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{
 
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        pscopytrailer (exporter->from, exporter->to, exporter->doc,
 
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                       exporter->n_pages);
 
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        fclose (exporter->from);
 
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        exporter->from = NULL;
 
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        fclose (exporter->to);
 
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        exporter->to = NULL;
 
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        return SPECTRE_STATUS_SUCCESS;
 
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}
 
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SpectreExporter *
 
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_spectre_exporter_ps_new (struct document *doc)
 
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{
 
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        SpectreExporter *exporter;
 
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        exporter = calloc (1, sizeof (SpectreExporter));
 
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        if (!exporter)
 
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                return NULL;
 
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        exporter->doc = psdocreference (doc);
 
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        exporter->begin = spectre_exporter_ps_begin;
 
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        exporter->do_page = spectre_exporter_ps_do_page;
 
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        exporter->end = spectre_exporter_ps_end;
 
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        return exporter;
 
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}