diff options
Diffstat (limited to 'src/extension/internal/cdr-input.cpp')
| -rw-r--r-- | src/extension/internal/cdr-input.cpp | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/src/extension/internal/cdr-input.cpp b/src/extension/internal/cdr-input.cpp new file mode 100644 index 0000000..521ff0e --- /dev/null +++ b/src/extension/internal/cdr-input.cpp @@ -0,0 +1,382 @@ +// 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: + * Fridrich Strba (fridrich.strba@bluewin.ch) + * + * Copyright (C) 2012 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + * + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" // only include where actually required! +#endif + +#include <cstdio> + +#include "cdr-input.h" + +#ifdef WITH_LIBCDR + +#include <string> +#include <cstring> + +#include <libcdr/libcdr.h> + +#include <librevenge-stream/librevenge-stream.h> + +using librevenge::RVNGString; +using librevenge::RVNGFileStream; +using librevenge::RVNGStringVector; + +#include <gtkmm/grid.h> +#include <gtkmm/spinbutton.h> + +#include "extension/system.h" +#include "extension/input.h" + +#include "document.h" +#include "inkscape.h" + +#include "ui/dialog-events.h" +#include <glibmm/i18n.h> + +#include "ui/view/svg-view-widget.h" + +#include "object/sp-root.h" + +#include "util/units.h" + +namespace Inkscape { +namespace Extension { +namespace Internal { + + +class CdrImportDialog : public Gtk::Dialog { +public: + CdrImportDialog(const std::vector<RVNGString> &vec); + ~CdrImportDialog() override; + + bool showDialog(); + unsigned getSelectedPage(); + void getImportSettings(Inkscape::XML::Node *prefs); + +private: + void _setPreviewPage(); + + // Signal handlers + void _onPageNumberChanged(); + void _onSpinButtonPress(GdkEventButton* button_event); + void _onSpinButtonRelease(GdkEventButton* button_event); + + class Gtk::Box * vbox1; + class Inkscape::UI::View::SVGViewWidget * _previewArea; + class Gtk::Button * cancelbutton; + class Gtk::Button * okbutton; + + class Gtk::Box * _page_selector_box; + class Gtk::Label * _labelSelect; + class Gtk::Label * _labelTotalPages; + class Gtk::SpinButton * _pageNumberSpin; + + const std::vector<RVNGString> &_vec; // Document to be imported + unsigned _current_page; // Current selected page + bool _spinning; // whether SpinButton is pressed (i.e. we're "spinning") +}; + +CdrImportDialog::CdrImportDialog(const std::vector<RVNGString> &vec) + : _previewArea(nullptr) + , _vec(vec) + , _current_page(1) + , _spinning(false) +{ + int num_pages = _vec.size(); + if ( num_pages <= 1 ) + return; + + // Dialog settings + this->set_title(_("Page Selector")); + this->set_modal(true); + sp_transientize(GTK_WIDGET(this->gobj())); //Make transient + this->property_window_position().set_value(Gtk::WIN_POS_NONE); + this->set_resizable(true); + this->property_destroy_with_parent().set_value(false); + + // Preview area + vbox1 = Gtk::manage(new class Gtk::Box(Gtk::ORIENTATION_VERTICAL)); + this->get_content_area()->pack_start(*vbox1); + + // CONTROLS + _page_selector_box = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL)); + + // "Select page:" label + _labelSelect = Gtk::manage(new class Gtk::Label(_("Select page:"))); + _labelTotalPages = Gtk::manage(new class Gtk::Label()); + _labelSelect->set_line_wrap(false); + _labelSelect->set_use_markup(false); + _labelSelect->set_selectable(false); + _page_selector_box->pack_start(*_labelSelect, Gtk::PACK_SHRINK); + + // Adjustment + spinner + auto pageNumberSpin_adj = Gtk::Adjustment::create(1, 1, _vec.size(), 1, 10, 0); + _pageNumberSpin = Gtk::manage(new Gtk::SpinButton(pageNumberSpin_adj, 1, 0)); + _pageNumberSpin->set_can_focus(); + _pageNumberSpin->set_update_policy(Gtk::UPDATE_ALWAYS); + _pageNumberSpin->set_numeric(true); + _pageNumberSpin->set_wrap(false); + _page_selector_box->pack_start(*_pageNumberSpin, Gtk::PACK_SHRINK); + + _labelTotalPages->set_line_wrap(false); + _labelTotalPages->set_use_markup(false); + _labelTotalPages->set_selectable(false); + gchar *label_text = g_strdup_printf(_("out of %i"), num_pages); + _labelTotalPages->set_label(label_text); + g_free(label_text); + _page_selector_box->pack_start(*_labelTotalPages, Gtk::PACK_SHRINK); + + vbox1->pack_end(*_page_selector_box, Gtk::PACK_SHRINK); + + // Buttons + cancelbutton = Gtk::manage(new Gtk::Button(_("_Cancel"), true)); + okbutton = Gtk::manage(new Gtk::Button(_("_OK"), true)); + this->add_action_widget(*cancelbutton, Gtk::RESPONSE_CANCEL); + this->add_action_widget(*okbutton, Gtk::RESPONSE_OK); + + // Show all widgets in dialog + this->show_all(); + + // Connect signals + _pageNumberSpin->signal_value_changed().connect(sigc::mem_fun(*this, &CdrImportDialog::_onPageNumberChanged)); + _pageNumberSpin->signal_button_press_event().connect_notify(sigc::mem_fun(*this, &CdrImportDialog::_onSpinButtonPress)); + _pageNumberSpin->signal_button_release_event().connect_notify(sigc::mem_fun(*this, &CdrImportDialog::_onSpinButtonRelease)); + + _setPreviewPage(); +} + +CdrImportDialog::~CdrImportDialog() = default; + +bool CdrImportDialog::showDialog() +{ + show(); + gint b = run(); + hide(); + if (b == Gtk::RESPONSE_OK || b == Gtk::RESPONSE_ACCEPT) { + return TRUE; + } else { + return FALSE; + } +} + +unsigned CdrImportDialog::getSelectedPage() +{ + return _current_page; +} + +void CdrImportDialog::_onPageNumberChanged() +{ + unsigned page = static_cast<unsigned>(_pageNumberSpin->get_value_as_int()); + _current_page = CLAMP(page, 1U, _vec.size()); + _setPreviewPage(); +} + +void CdrImportDialog::_onSpinButtonPress(GdkEventButton* /*button_event*/) +{ + _spinning = true; +} + +void CdrImportDialog::_onSpinButtonRelease(GdkEventButton* /*button_event*/) +{ + _spinning = false; + _setPreviewPage(); +} + +/** + * \brief Renders the given page's thumbnail + */ +void CdrImportDialog::_setPreviewPage() +{ + if (_spinning) { + return; + } + + SPDocument *doc = SPDocument::createNewDocFromMem(_vec[_current_page-1].cstr(), strlen(_vec[_current_page-1].cstr()), false); + if(!doc) { + g_warning("CDR import: Could not create preview for page %d", _current_page); + gchar const *no_preview_template = R"A( + <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'> + <path d='M 82,10 18,74 m 0,-64 64,64' style='fill:none;stroke:#ff0000;stroke-width:2px;'/> + <rect x='18' y='10' width='64' height='64' style='fill:none;stroke:#000000;stroke-width:1.5px;'/> + <text x='50' y='92' style='font-size:10px;text-anchor:middle;font-family:sans-serif;'>%s</text> + </svg> + )A"; + gchar * no_preview = g_strdup_printf(no_preview_template, _("No preview")); + doc = SPDocument::createNewDocFromMem(no_preview, strlen(no_preview), false); + g_free(no_preview); + } + + if (!doc) { + std::cerr << "CdrImportDialog::_setPreviewPage: No document!" << std::endl; + return; + } + + if (_previewArea) { + _previewArea->setDocument(doc); + } else { + _previewArea = Gtk::manage(new Inkscape::UI::View::SVGViewWidget(doc)); + vbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 0); + } + + _previewArea->setResize(400, 400); + _previewArea->show_all(); +} + +SPDocument *CdrInput::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); + RVNGFileStream input(converted_uri); + g_free(converted_uri); + #else + RVNGFileStream input(uri); + #endif + + if (!libcdr::CDRDocument::isSupported(&input)) { + return nullptr; + } + + RVNGStringVector output; + librevenge::RVNGSVGDrawingGenerator generator(output, "svg"); + + if (!libcdr::CDRDocument::parse(&input, &generator)) { + return nullptr; + } + + if (output.empty()) { + return nullptr; + } + + std::vector<RVNGString> tmpSVGOutput; + for (unsigned i=0; i<output.size(); ++i) { + RVNGString tmpString("<?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"); + tmpString.append(output[i]); + tmpSVGOutput.push_back(tmpString); + } + + unsigned page_num = 1; + + // If only one page is present, import that one without bothering user + if (tmpSVGOutput.size() > 1) { + CdrImportDialog *dlg = nullptr; + if (INKSCAPE.use_gui()) { + dlg = new CdrImportDialog(tmpSVGOutput); + if (!dlg->showDialog()) { + delete dlg; + throw Input::open_cancelled(); + } + } + + // Get needed page + if (dlg) { + page_num = dlg->getSelectedPage(); + if (page_num < 1) + page_num = 1; + if (page_num > tmpSVGOutput.size()) + page_num = tmpSVGOutput.size(); + } + } + + SPDocument * doc = SPDocument::createNewDocFromMem(tmpSVGOutput[page_num-1].cstr(), strlen(tmpSVGOutput[page_num-1].cstr()), TRUE); + + if (doc && !doc->getRoot()->viewBox_set) { + // Scales the document to account for 72dpi scaling in librevenge(<=0.0.4) + doc->setWidth(Inkscape::Util::Quantity(doc->getWidth().quantity, "pt"), false); + doc->setHeight(Inkscape::Util::Quantity(doc->getHeight().quantity, "pt"), false); + doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value("pt"), doc->getHeight().value("pt"))); + } + return doc; +} + +#include "clear-n_.h" + +void CdrInput::init() +{ + // clang-format off + /* CDR */ + Inkscape::Extension::build_from_mem( + "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" + "<name>" N_("Corel DRAW Input") "</name>\n" + "<id>org.inkscape.input.cdr</id>\n" + "<input>\n" + "<extension>.cdr</extension>\n" + "<mimetype>image/x-xcdr</mimetype>\n" + "<filetypename>" N_("Corel DRAW 7-X4 files (*.cdr)") "</filetypename>\n" + "<filetypetooltip>" N_("Open files saved in Corel DRAW 7-X4") "</filetypetooltip>\n" + "</input>\n" + "</inkscape-extension>", new CdrInput()); + + /* CDT */ + Inkscape::Extension::build_from_mem( + "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" + "<name>" N_("Corel DRAW templates input") "</name>\n" + "<id>org.inkscape.input.cdt</id>\n" + "<input>\n" + "<extension>.cdt</extension>\n" + "<mimetype>application/x-xcdt</mimetype>\n" + "<filetypename>" N_("Corel DRAW 7-13 template files (*.cdt)") "</filetypename>\n" + "<filetypetooltip>" N_("Open files saved in Corel DRAW 7-13") "</filetypetooltip>\n" + "</input>\n" + "</inkscape-extension>", new CdrInput()); + + /* CCX */ + Inkscape::Extension::build_from_mem( + "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" + "<name>" N_("Corel DRAW Compressed Exchange files input") "</name>\n" + "<id>org.inkscape.input.ccx</id>\n" + "<input>\n" + "<extension>.ccx</extension>\n" + "<mimetype>application/x-xccx</mimetype>\n" + "<filetypename>" N_("Corel DRAW Compressed Exchange files (*.ccx)") "</filetypename>\n" + "<filetypetooltip>" N_("Open compressed exchange files saved in Corel DRAW") "</filetypetooltip>\n" + "</input>\n" + "</inkscape-extension>", new CdrInput()); + + /* CMX */ + Inkscape::Extension::build_from_mem( + "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" + "<name>" N_("Corel DRAW Presentation Exchange files input") "</name>\n" + "<id>org.inkscape.input.cmx</id>\n" + "<input>\n" + "<extension>.cmx</extension>\n" + "<mimetype>application/x-xcmx</mimetype>\n" + "<filetypename>" N_("Corel DRAW Presentation Exchange files (*.cmx)") "</filetypename>\n" + "<filetypetooltip>" N_("Open presentation exchange files saved in Corel DRAW") "</filetypetooltip>\n" + "</input>\n" + "</inkscape-extension>", new CdrInput()); + // clang-format on + + return; + +} // init + +} } } /* namespace Inkscape, Extension, Implementation */ +#endif /* WITH_LIBCDR */ + +/* + 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 : |