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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file came from libwpg as a source, their utility wpg2svg
* specifically. It has been modified to work as an Inkscape extension.
* The Inkscape extension code is covered by this copyright, but the
* rest is covered by the one below.
*
* Authors:
* Ted Gould <ted@gould.cx>
* Abhishek Sharma
*
* Copyright (C) 2006 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*
*/
/* libwpg
* Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
* Copyright (C) 2005 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information visit http://libwpg.sourceforge.net
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#ifdef HAVE_CONFIG_H
# include "config.h" // only include where actually required!
#endif
#include <cstdio>
#ifdef WITH_LIBWPG
#include "wpg-input.h"
#include "extension/system.h"
#include "extension/input.h"
#include "document.h"
#include "object/sp-root.h"
#include "util/units.h"
#include <cstring>
// Take a guess and fallback to 0.2.x if no configure has run
#if !defined(WITH_LIBWPG03) && !defined(WITH_LIBWPG02)
#define WITH_LIBWPG02 1
#endif
#include "libwpg/libwpg.h"
#if WITH_LIBWPG03
#include <librevenge-stream/librevenge-stream.h>
using librevenge::RVNGString;
using librevenge::RVNGFileStream;
using librevenge::RVNGInputStream;
#else
#include "libwpd-stream/libwpd-stream.h"
typedef WPXString RVNGString;
typedef WPXFileStream RVNGFileStream;
typedef WPXInputStream RVNGInputStream;
#endif
using namespace libwpg;
namespace Inkscape {
namespace Extension {
namespace Internal {
SPDocument *WpgInput::open(Inkscape::Extension::Input * /*mod*/, const gchar * uri)
{
#ifdef _WIN32
// RVNGFileStream uses fopen() internally which unfortunately only uses ANSI encoding on Windows
// therefore attempt to convert uri to the system codepage
// even if this is not possible the alternate short (8.3) file name will be used if available
gchar * converted_uri = g_win32_locale_filename_from_utf8(uri);
RVNGInputStream* input = new RVNGFileStream(converted_uri);
g_free(converted_uri);
#else
RVNGInputStream* input = new RVNGFileStream(uri);
#endif
#if WITH_LIBWPG03
if (input->isStructured()) {
RVNGInputStream* olestream = input->getSubStreamByName("PerfectOffice_MAIN");
#else
if (input->isOLEStream()) {
RVNGInputStream* olestream = input->getDocumentOLEStream("PerfectOffice_MAIN");
#endif
if (olestream) {
delete input;
input = olestream;
}
}
if (!WPGraphics::isSupported(input)) {
//! \todo Dialog here
// fprintf(stderr, "ERROR: Unsupported file format (unsupported version) or file is encrypted!\n");
// printf("I'm giving up not supported\n");
delete input;
return nullptr;
}
#if WITH_LIBWPG03
librevenge::RVNGStringVector vec;
librevenge::RVNGSVGDrawingGenerator generator(vec, "");
if (!libwpg::WPGraphics::parse(input, &generator) || vec.empty() || vec[0].empty()) {
delete input;
return nullptr;
}
RVNGString output("<?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");
output.append(vec[0]);
#else
RVNGString output;
if (!libwpg::WPGraphics::generateSVG(input, output)) {
delete input;
return NULL;
}
#endif
//printf("I've got a doc: \n%s", painter.document.c_str());
SPDocument * doc = SPDocument::createNewDocFromMem(output.cstr(), strlen(output.cstr()), TRUE);
// Set viewBox if it doesn't exist
if (doc && !doc->getRoot()->viewBox_set) {
doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc->getDisplayUnit()), doc->getHeight().value(doc->getDisplayUnit())));
}
delete input;
return doc;
}
#include "clear-n_.h"
void WpgInput::init() {
Inkscape::Extension::build_from_mem(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("WPG Input") "</name>\n"
"<id>org.inkscape.input.wpg</id>\n"
"<input>\n"
"<extension>.wpg</extension>\n"
"<mimetype>image/x-wpg</mimetype>\n"
"<filetypename>" N_("WordPerfect Graphics (*.wpg)") "</filetypename>\n"
"<filetypetooltip>" N_("Vector graphics format used by Corel WordPerfect") "</filetypetooltip>\n"
"</input>\n"
"</inkscape-extension>", new WpgInput());
} // init
} } } /* namespace Inkscape, Extension, Implementation */
#endif /* WITH_LIBWPG */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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