File: WPGImport.cpp

package info (click to toggle)
calligra 1:2.8.5+dfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 397,516 kB
  • ctags: 185,064
  • sloc: cpp: 1,505,875; python: 45,987; ansic: 28,421; xml: 26,472; sh: 23,986; java: 18,214; objc: 3,965; makefile: 2,816; perl: 2,792; yacc: 2,601; lex: 1,410; sql: 903; ruby: 737; asm: 236; lisp: 121
file content (100 lines) | stat: -rw-r--r-- 3,151 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
/* This file is part of the KDE project
   Copyright (C) 2007 Ariya Hidayat <ariya@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include <WPGImport.h>
#include <WPGImport.moc>

#include <KoFilterChain.h>
#include <KoGlobal.h>
#include <KoUnit.h>
#include <KoXmlWriter.h>

#include <kpluginfactory.h>
#include <kdebug.h>


#include <QString>
#include <QFile>

#include <librevenge/librevenge.h>
#include <librevenge-stream/librevenge-stream.h>

#include <libwpg/libwpg.h>

#include <cassert>
#include <iostream>

K_PLUGIN_FACTORY(WPGImportFactory, registerPlugin<WPGImport>();)
K_EXPORT_PLUGIN(WPGImportFactory("calligrafilters"))

WPGImport::WPGImport(QObject* parent, const QVariantList&)
        : KoFilter(parent)
{
}

WPGImport::~WPGImport()
{
}


KoFilter::ConversionStatus WPGImport::convert(const QByteArray& from, const QByteArray& to)
{
    if (from != "application/x-wpg")
        return KoFilter::NotImplemented;

    if (to != "image/svg+xml")
        return KoFilter::NotImplemented;

    librevenge::RVNGInputStream* input = new librevenge::RVNGFileStream(m_chain->inputFile().toLocal8Bit());
    if (input->isStructured()) {
        librevenge::RVNGInputStream* olestream = input->getSubStreamByName("Anything");
        if (olestream) {
            delete input;
            input = olestream;
        }
     }
    if (!libwpg::WPGraphics::isSupported(input)) {
        kWarning() << "ERROR: Unsupported file format (unsupported version) or file is encrypted!";
        delete input;
        return KoFilter::NotImplemented;
    }

     ::librevenge::RVNGStringVector output;
     librevenge::RVNGSVGDrawingGenerator generator(output, "");

    if (!libwpg::WPGraphics::parse(input, &generator)) {
        kWarning() << "ERROR: SVG Generation failed!";
        delete input;
        return KoFilter::ParsingError;
    }
    assert(1 == output.size());

    delete input;

    QFile outputFile(m_chain->outputFile());
    if(!outputFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
        kWarning() << "ERROR: Could not open output file" << m_chain->outputFile();
        return KoFilter::InternalError;
    }
    outputFile.write("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
    outputFile.write(output[0].cstr());
    outputFile.close();

    return KoFilter::OK;
}