Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 157 insertions, 0 deletions

diff --git a/src/extension/internal/wpg-input.cpp b/src/extension/internal/wpg-input.cpp
new file mode 100644
index 0000000..5e6f381
--- /dev/null
+++ b/src/extension/internal/wpg-input.cpp
@@ -0,0 +1,157 @@
+// 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>
+
+#include "libwpg/libwpg.h"
+#include <librevenge-stream/librevenge-stream.h>
+
+using librevenge::RVNGString;
+using librevenge::RVNGFileStream;
+using librevenge::RVNGInputStream;
+
+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 (input->isStructured()) {
+        RVNGInputStream* olestream = input->getSubStreamByName("PerfectOffice_MAIN");
+
+        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;
+    }
+
+    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]);
+
+    //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() {
+    // clang-format off
+    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());
+    // clang-format on
+} // 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 :