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Diffstat (limited to 'src/extension/internal/pdf-input-cairo.cpp')
| -rw-r--r-- | src/extension/internal/pdf-input-cairo.cpp | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/src/extension/internal/pdf-input-cairo.cpp b/src/extension/internal/pdf-input-cairo.cpp deleted file mode 100644 index 9ce73c260..000000000 --- a/src/extension/internal/pdf-input-cairo.cpp +++ /dev/null @@ -1,680 +0,0 @@ - /* - * Simple PDF import extension using libpoppler and Cairo's SVG surface. - * - * Authors: - * miklos erdelyi - * Abhishek Sharma - * - * Copyright (C) 2007 Authors - * - * Released under GNU GPL, read the file 'COPYING' for more information - * - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#ifdef HAVE_POPPLER_GLIB -#ifdef HAVE_POPPLER_CAIRO - -#include "pdf-input-cairo.h" -#include "extension/system.h" -#include "extension/input.h" -#include "dialogs/dialog-events.h" -#include "document.h" -#include "sp-root.h" -#include "util/units.h" - -#include <2geom/rect.h> - -#include "inkscape.h" - -#include <cairo-svg.h> -#include <poppler/glib/poppler.h> -#include <poppler/glib/poppler-document.h> -#include <poppler/glib/poppler-page.h> - -#include "ui/widget/spinbutton.h" -#include "ui/widget/frame.h" - -#include <gdkmm/general.h> - -namespace Inkscape { -namespace Extension { -namespace Internal { - - -/** - * \brief The PDF import dialog - * FIXME: Probably this should be placed into src/ui/dialog - */ - -static const gchar * crop_setting_choices[] = { - //TRANSLATORS: The following are document crop settings for PDF import - // more info: http://www.acrobatusers.com/tech_corners/javascript_corner/tips/2006/page_bounds/ - N_("media box"), - N_("crop box"), - N_("trim box"), - N_("bleed box"), - N_("art box") -}; - -PdfImportCairoDialog::PdfImportCairoDialog(PopplerDocument *doc) -{ - if(doc == NULL) { - // if there is no document, throw exception here - throw; - } - - _poppler_doc = doc; - - cancelbutton = Gtk::manage(new class Gtk::Button(Gtk::StockID("gtk-cancel"))); - okbutton = Gtk::manage(new class Gtk::Button(Gtk::StockID("gtk-ok"))); - _labelSelect = Gtk::manage(new class Gtk::Label(_("Select page:"))); - - // Page number - int num_pages = poppler_document_get_n_pages(_poppler_doc); -#if WITH_GTKMM_3_0 - Glib::RefPtr<Gtk::Adjustment> _pageNumberSpin_adj( Gtk::Adjustment::create(1, 1, num_pages, 1, 10, 0) ); - _pageNumberSpin = Gtk::manage(new class Inkscape::UI::Widget::SpinButton(_pageNumberSpin_adj, 1, 1)); -#else - Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage(new class Gtk::Adjustment(1, 1, num_pages, 1, 10, 0)); - _pageNumberSpin = Gtk::manage(new class Inkscape::UI::Widget::SpinButton(*_pageNumberSpin_adj, 1, 1)); -#endif - _labelTotalPages = Gtk::manage(new class Gtk::Label()); - hbox2 = Gtk::manage(new class Gtk::HBox(false, 0)); - // Disable the page selector when there's only one page - if ( num_pages == 1 ) { - _pageNumberSpin->set_sensitive(false); - } else { - // Display total number of pages - gchar *label_text = g_strdup_printf(_("out of %i"), num_pages); - _labelTotalPages->set_label(label_text); - g_free(label_text); - } - - // Crop settings - _cropCheck = Gtk::manage(new class Gtk::CheckButton(_("Clip to:"))); - _cropTypeCombo = Gtk::manage(new class Gtk::ComboBoxText()); - int num_crop_choices = sizeof(crop_setting_choices) / sizeof(crop_setting_choices[0]); - for ( int i = 0 ; i < num_crop_choices ; i++ ) { - _cropTypeCombo->append(_(crop_setting_choices[i])); - } - _cropTypeCombo->set_active_text(_(crop_setting_choices[0])); - _cropTypeCombo->set_sensitive(false); - - hbox3 = Gtk::manage(new class Gtk::HBox(false, 4)); - vbox2 = Gtk::manage(new class Gtk::VBox(false, 4)); - _pageSettingsFrame = Gtk::manage(new class Inkscape::UI::Widget::Frame(_("Page settings"))); - _labelPrecision = Gtk::manage(new class Gtk::Label(_("Precision of approximating gradient meshes:"))); - _labelPrecisionWarning = Gtk::manage(new class Gtk::Label(_("<b>Note</b>: setting the precision too high may result in a large SVG file and slow performance."))); - -#if WITH_GTKMM_3_0 - _fallbackPrecisionSlider_adj = Gtk::Adjustment::create(2, 1, 256, 1, 10, 10); - _fallbackPrecisionSlider = Gtk::manage(new Gtk::Scale(_fallbackPrecisionSlider_adj)); -#else - _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10)); - _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj)); -#endif - _fallbackPrecisionSlider->set_value(2.0); - _labelPrecisionComment = Gtk::manage(new class Gtk::Label(_("rough"))); - hbox6 = Gtk::manage(new class Gtk::HBox(false, 4)); - - // Text options - _labelText = Gtk::manage(new class Gtk::Label(_("Text handling:"))); - _textHandlingCombo = Gtk::manage(new class Gtk::ComboBoxText()); - _textHandlingCombo->append(_("Import text as text")); - _textHandlingCombo->set_active_text(_("Import text as text")); - _localFontsCheck = Gtk::manage(new class Gtk::CheckButton(_("Replace PDF fonts by closest-named installed fonts"))); - - hbox5 = Gtk::manage(new class Gtk::HBox(false, 4)); - _embedImagesCheck = Gtk::manage(new class Gtk::CheckButton(_("Embed images"))); - vbox3 = Gtk::manage(new class Gtk::VBox(false, 4)); - _importSettingsFrame = Gtk::manage(new class Inkscape::UI::Widget::Frame(_("Import settings"))); - vbox1 = Gtk::manage(new class Gtk::VBox(false, 4)); - _previewArea = Gtk::manage(new class Gtk::DrawingArea()); - hbox1 = Gtk::manage(new class Gtk::HBox(false, 4)); - cancelbutton->set_can_focus(); - cancelbutton->set_can_default(); - cancelbutton->set_relief(Gtk::RELIEF_NORMAL); - okbutton->set_can_focus(); - okbutton->set_can_default(); - okbutton->set_relief(Gtk::RELIEF_NORMAL); - this->get_action_area()->property_layout_style().set_value(Gtk::BUTTONBOX_END); - _labelSelect->set_alignment(0.5,0.5); - _labelSelect->set_padding(4,0); - _labelSelect->set_justify(Gtk::JUSTIFY_LEFT); - _labelSelect->set_line_wrap(false); - _labelSelect->set_use_markup(false); - _labelSelect->set_selectable(false); - _pageNumberSpin->set_can_focus(); - _pageNumberSpin->set_update_policy(Gtk::UPDATE_ALWAYS); - _pageNumberSpin->set_numeric(true); - _pageNumberSpin->set_digits(0); - _pageNumberSpin->set_wrap(false); - _labelTotalPages->set_alignment(0.5,0.5); - _labelTotalPages->set_padding(4,0); - _labelTotalPages->set_justify(Gtk::JUSTIFY_LEFT); - _labelTotalPages->set_line_wrap(false); - _labelTotalPages->set_use_markup(false); - _labelTotalPages->set_selectable(false); - hbox2->pack_start(*_labelSelect, Gtk::PACK_SHRINK, 4); - hbox2->pack_start(*_pageNumberSpin, Gtk::PACK_SHRINK, 4); - hbox2->pack_start(*_labelTotalPages, Gtk::PACK_SHRINK, 4); - _cropCheck->set_can_focus(); - _cropCheck->set_relief(Gtk::RELIEF_NORMAL); - _cropCheck->set_mode(true); - _cropCheck->set_active(false); - _cropTypeCombo->set_border_width(1); - hbox3->pack_start(*_cropCheck, Gtk::PACK_SHRINK, 4); - hbox3->pack_start(*_cropTypeCombo, Gtk::PACK_SHRINK, 0); - vbox2->pack_start(*hbox2); - vbox2->pack_start(*hbox3); - _pageSettingsFrame->add(*vbox2); - _pageSettingsFrame->set_border_width(4); - _labelPrecision->set_alignment(0,0.5); - _labelPrecision->set_padding(4,0); - _labelPrecision->set_justify(Gtk::JUSTIFY_LEFT); - _labelPrecision->set_line_wrap(true); - _labelPrecision->set_use_markup(false); - _labelPrecision->set_selectable(false); - _labelPrecisionWarning->set_alignment(0,0.5); - _labelPrecisionWarning->set_padding(4,0); - _labelPrecisionWarning->set_justify(Gtk::JUSTIFY_LEFT); - _labelPrecisionWarning->set_line_wrap(true); - _labelPrecisionWarning->set_use_markup(true); - _labelPrecisionWarning->set_selectable(false); - _fallbackPrecisionSlider->set_size_request(180,-1); - _fallbackPrecisionSlider->set_can_focus(); - _fallbackPrecisionSlider->set_inverted(false); - _fallbackPrecisionSlider->set_digits(1); - _fallbackPrecisionSlider->set_draw_value(true); - _fallbackPrecisionSlider->set_value_pos(Gtk::POS_TOP); - _labelPrecisionComment->set_size_request(90,-1); - _labelPrecisionComment->set_alignment(0.5,0.5); - _labelPrecisionComment->set_padding(4,0); - _labelPrecisionComment->set_justify(Gtk::JUSTIFY_LEFT); - _labelPrecisionComment->set_line_wrap(false); - _labelPrecisionComment->set_use_markup(false); - _labelPrecisionComment->set_selectable(false); - hbox6->pack_start(*_fallbackPrecisionSlider, Gtk::PACK_SHRINK, 4); - hbox6->pack_start(*_labelPrecisionComment, Gtk::PACK_SHRINK, 0); - _labelText->set_alignment(0.5,0.5); - _labelText->set_padding(4,0); - _labelText->set_justify(Gtk::JUSTIFY_LEFT); - _labelText->set_line_wrap(false); - _labelText->set_use_markup(false); - _labelText->set_selectable(false); - hbox5->pack_start(*_labelText, Gtk::PACK_SHRINK, 0); - hbox5->pack_start(*_textHandlingCombo, Gtk::PACK_SHRINK, 0); - _localFontsCheck->set_can_focus(); - _localFontsCheck->set_relief(Gtk::RELIEF_NORMAL); - _localFontsCheck->set_mode(true); - _localFontsCheck->set_active(true); - _embedImagesCheck->set_can_focus(); - _embedImagesCheck->set_relief(Gtk::RELIEF_NORMAL); - _embedImagesCheck->set_mode(true); - _embedImagesCheck->set_active(true); - vbox3->pack_start(*_labelPrecision, Gtk::PACK_SHRINK, 0); - vbox3->pack_start(*hbox6, Gtk::PACK_SHRINK, 0); - vbox3->pack_start(*_labelPrecisionWarning, Gtk::PACK_SHRINK, 0); - vbox3->pack_start(*hbox5, Gtk::PACK_SHRINK, 4); - vbox3->pack_start(*_localFontsCheck, Gtk::PACK_SHRINK, 0); - vbox3->pack_start(*_embedImagesCheck, Gtk::PACK_SHRINK, 0); - _importSettingsFrame->add(*vbox3); - _importSettingsFrame->set_border_width(4); - vbox1->pack_start(*_pageSettingsFrame, Gtk::PACK_EXPAND_PADDING, 0); - vbox1->pack_start(*_importSettingsFrame, Gtk::PACK_EXPAND_PADDING, 0); - hbox1->pack_start(*vbox1); - hbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 4); - -#if WITH_GTKMM_3_0 - get_content_area()->set_homogeneous(false); - get_content_area()->set_spacing(0); - get_content_area()->pack_start(*hbox1); -#else - this->get_vbox()->set_homogeneous(false); - this->get_vbox()->set_spacing(0); - this->get_vbox()->pack_start(*hbox1); -#endif - - this->set_title(_("PDF Import Settings")); - 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); - this->add_action_widget(*cancelbutton, -6); - this->add_action_widget(*okbutton, -5); - cancelbutton->show(); - okbutton->show(); - _labelSelect->show(); - _pageNumberSpin->show(); - _labelTotalPages->show(); - hbox2->show(); - _cropCheck->show(); - _cropTypeCombo->show(); - hbox3->show(); - vbox2->show(); - _pageSettingsFrame->show(); - _labelPrecision->show(); - _labelPrecisionWarning->show(); - _fallbackPrecisionSlider->show(); - _labelPrecisionComment->show(); - hbox6->show(); - _labelText->show(); - _textHandlingCombo->show(); - hbox5->show(); - _localFontsCheck->show(); - _embedImagesCheck->show(); - vbox3->show(); - _importSettingsFrame->show(); - vbox1->show(); - _previewArea->show(); - hbox1->show(); - - // Connect signals -#if WITH_GTKMM_3_0 - _previewArea->signal_draw().connect(sigc::mem_fun(*this, &PdfImportCairoDialog::_onDraw)); -#else - _previewArea->signal_expose_event().connect(sigc::mem_fun(*this, &PdfImportCairoDialog::_onExposePreview)); -#endif - _pageNumberSpin_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportCairoDialog::_onPageNumberChanged)); - _cropCheck->signal_toggled().connect(sigc::mem_fun(*this, &PdfImportCairoDialog::_onToggleCropping)); - _fallbackPrecisionSlider_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportCairoDialog::_onPrecisionChanged)); - - _render_thumb = false; - _cairo_surface = NULL; - _render_thumb = true; - - // Set default preview size - _preview_width = 200; - _preview_height = 300; - - // Init preview - _thumb_data = NULL; - _pageNumberSpin_adj->set_value(1.0); - _current_page = 1; - _setPreviewPage(_current_page); - - set_default (*okbutton); - set_focus (*okbutton); -} - -PdfImportCairoDialog::~PdfImportCairoDialog() { - if (_cairo_surface) { - cairo_surface_destroy(_cairo_surface); - } - if (_thumb_data) { - if (_render_thumb) { - delete _thumb_data; - } else { - // -->gfree(_thumb_data); - delete _thumb_data; - } - } -} - -bool PdfImportCairoDialog::showDialog() { - show(); - gint b = run(); - hide(); - if ( b == Gtk::RESPONSE_OK ) { - return TRUE; - } else { - return FALSE; - } -} - -int PdfImportCairoDialog::getSelectedPage() { - return _current_page; -} - -/** - * \brief Retrieves the current settings into a repr which SvgBuilder will use - * for determining the behaviour desired by the user - */ -void PdfImportCairoDialog::getImportSettings(Inkscape::XML::Node *prefs) { - sp_repr_set_svg_double(prefs, "selectedPage", (double)_current_page); - if (_cropCheck->get_active()) { - Glib::ustring current_choice = _cropTypeCombo->get_active_text(); - int num_crop_choices = sizeof(crop_setting_choices) / sizeof(crop_setting_choices[0]); - int i = 0; - for ( ; i < num_crop_choices ; i++ ) { - if ( current_choice == _(crop_setting_choices[i]) ) { - break; - } - } - sp_repr_set_svg_double(prefs, "cropTo", (double)i); - } else { - sp_repr_set_svg_double(prefs, "cropTo", -1.0); - } - sp_repr_set_svg_double(prefs, "approximationPrecision", - _fallbackPrecisionSlider->get_value()); - if (_localFontsCheck->get_active()) { - prefs->setAttribute("localFonts", "1"); - } else { - prefs->setAttribute("localFonts", "0"); - } - if (_embedImagesCheck->get_active()) { - prefs->setAttribute("embedImages", "1"); - } else { - prefs->setAttribute("embedImages", "0"); - } -} - -/** - * \brief Redisplay the comment on the current approximation precision setting - * Evenly divides the interval of possible values between the available labels. - */ -void PdfImportCairoDialog::_onPrecisionChanged() { - - static Glib::ustring precision_comments[] = { - Glib::ustring(C_("PDF input precision", "rough")), - Glib::ustring(C_("PDF input precision", "medium")), - Glib::ustring(C_("PDF input precision", "fine")), - Glib::ustring(C_("PDF input precision", "very fine")) - }; - - double min = _fallbackPrecisionSlider_adj->get_lower(); - double max = _fallbackPrecisionSlider_adj->get_upper(); - int num_intervals = sizeof(precision_comments) / sizeof(precision_comments[0]); - double interval_len = ( max - min ) / (double)num_intervals; - double value = _fallbackPrecisionSlider_adj->get_value(); - int comment_idx = (int)floor( ( value - min ) / interval_len ); - _labelPrecisionComment->set_label(precision_comments[comment_idx]); -} - -void PdfImportCairoDialog::_onToggleCropping() { - _cropTypeCombo->set_sensitive(_cropCheck->get_active()); -} - -void PdfImportCairoDialog::_onPageNumberChanged() { - int page = _pageNumberSpin->get_value_as_int(); - _current_page = CLAMP(page, 1, poppler_document_get_n_pages(_poppler_doc)); - _setPreviewPage(_current_page); -} - -/** - * \brief Copies image data from a Cairo surface to a pixbuf - * - * Borrowed from libpoppler, from the file poppler-page.cc - * Copyright (C) 2005, Red Hat, Inc. - * - */ -static void copy_cairo_surface_to_pixbuf (cairo_surface_t *surface, - unsigned char *data, - GdkPixbuf *pixbuf) -{ - int cairo_width, cairo_height, cairo_rowstride; - unsigned char *pixbuf_data, *dst, *cairo_data; - int pixbuf_rowstride, pixbuf_n_channels; - unsigned int *src; - int x, y; - - cairo_width = cairo_image_surface_get_width (surface); - cairo_height = cairo_image_surface_get_height (surface); - cairo_rowstride = cairo_width * 4; - cairo_data = data; - - pixbuf_data = gdk_pixbuf_get_pixels (pixbuf); - pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf); - pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf); - - if (cairo_width > gdk_pixbuf_get_width (pixbuf)) - cairo_width = gdk_pixbuf_get_width (pixbuf); - if (cairo_height > gdk_pixbuf_get_height (pixbuf)) - cairo_height = gdk_pixbuf_get_height (pixbuf); - for (y = 0; y < cairo_height; y++) - { - src = reinterpret_cast<unsigned int *>(cairo_data + y * cairo_rowstride); - dst = pixbuf_data + y * pixbuf_rowstride; - for (x = 0; x < cairo_width; x++) - { - dst[0] = (*src >> 16) & 0xff; - dst[1] = (*src >> 8) & 0xff; - dst[2] = (*src >> 0) & 0xff; - if (pixbuf_n_channels == 4) - dst[3] = (*src >> 24) & 0xff; - dst += pixbuf_n_channels; - src++; - } - } -} - -/** - * \brief Updates the preview area with the previously rendered thumbnail - */ -#if !WITH_GTKMM_3_0 -bool PdfImportCairoDialog::_onExposePreview(GdkEventExpose * /*event*/) { - Cairo::RefPtr<Cairo::Context> cr = _previewArea->get_window()->create_cairo_context(); - return _onDraw(cr); -} -#endif - - -bool PdfImportCairoDialog::_onDraw(const Cairo::RefPtr<Cairo::Context>& cr) { - // Check if we have a thumbnail at all - if (!_thumb_data) { - return true; - } - - // Create the pixbuf for the thumbnail - Glib::RefPtr<Gdk::Pixbuf> thumb; - if (_render_thumb) { - thumb = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, - 8, _thumb_width, _thumb_height); - } else { - thumb = Gdk::Pixbuf::create_from_data(_thumb_data, Gdk::COLORSPACE_RGB, - false, 8, _thumb_width, _thumb_height, _thumb_rowstride); - } - if (!thumb) { - return true; - } - - // Set background to white - if (_render_thumb) { - thumb->fill(0xffffffff); - Gdk::Cairo::set_source_pixbuf(cr, thumb, 0, 0); - cr->paint(); - } - - // Copy the thumbnail image from the Cairo surface - if (_render_thumb) { - copy_cairo_surface_to_pixbuf(_cairo_surface, _thumb_data, thumb->gobj()); - } - Gdk::Cairo::set_source_pixbuf(cr, thumb, 0, _render_thumb ? 0 : 20); - cr->paint(); - - return true; -} - -/** - * \brief Renders the given page's thumbnail using Cairo - */ -void PdfImportCairoDialog::_setPreviewPage(int page) { - - PopplerPage *_previewed_page = poppler_document_get_page(_poppler_doc, page-1); - - // Try to get a thumbnail from the PDF if possible - if (!_render_thumb) { - if (_thumb_data) { - // --> gfree(_thumb_data); - free(_thumb_data); - _thumb_data = NULL; - } - -/* ---> if (!_previewed_page->loadThumb(&_thumb_data, - &_thumb_width, &_thumb_height, &_thumb_rowstride)) { - return; - } -*/ - // Redraw preview area - _previewArea->set_size_request(_thumb_width, _thumb_height + 20); - _previewArea->queue_draw(); - return; - } - - // Get page size by accounting for rotation - double width, height; - // --> int rotate = _previewed_page->getRotate(); - int rotate = 0; - if ( rotate == 90 || rotate == 270 ) { -// --> height = _previewed_page->getCropWidth(); -// --> width = _previewed_page->getCropHeight(); - } else { - poppler_page_get_size (_previewed_page, &width, &height); -// --> width = _previewed_page->getCropWidth(); -// --> height = _previewed_page->getCropHeight(); - } - // Calculate the needed scaling for the page - double scale_x = (double)_preview_width / width; - double scale_y = (double)_preview_height / height; - double scale_factor = ( scale_x > scale_y ) ? scale_y : scale_x; - // Create new Cairo surface - _thumb_width = (int)ceil( width * scale_factor ); - _thumb_height = (int)ceil( height * scale_factor ); - _thumb_rowstride = _thumb_width * 4; - if (_thumb_data) { - delete _thumb_data; - } - _thumb_data = new unsigned char[ _thumb_rowstride * _thumb_height ]; - if (_cairo_surface) { - cairo_surface_destroy(_cairo_surface); - } - _cairo_surface = cairo_image_surface_create_for_data(_thumb_data, - CAIRO_FORMAT_ARGB32, _thumb_width, _thumb_height, _thumb_rowstride); - cairo_t *cr = cairo_create(_cairo_surface); - cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); // Set fill color to white - cairo_paint(cr); // Clear it - cairo_scale(cr, scale_factor, scale_factor); // Use Cairo for resizing the image - // Render page - if (_poppler_doc != NULL) { - PopplerPage *poppler_page = poppler_document_get_page(_poppler_doc, page - 1); - poppler_page_render(poppler_page, cr); - g_object_unref(G_OBJECT(poppler_page)); - } - // Clean up - cairo_destroy(cr); - // Redraw preview area - _previewArea->set_size_request(_preview_width, _preview_height); - _previewArea->queue_draw(); - -} - - -static cairo_status_t _write_ustring_cb(void *closure, const unsigned char *data, unsigned int length); - -SPDocument * -PdfInputCairo::open(Inkscape::Extension::Input * /*mod*/, const gchar * uri) { - - g_message("Attempting to open using PdfInputCairo\n"); - - gchar* filename_uri = g_filename_to_uri(uri, NULL, NULL); - - GError *error = NULL; - /// @todo handle passwort - /// @todo check if win32 unicode needs special attention - PopplerDocument* document = poppler_document_new_from_file(filename_uri, NULL, &error); - - if(error != NULL) { - g_message("Unable to read file: %s\n", error->message); - g_error_free (error); - } - - if (document == NULL) { - return NULL; - } - - // create and show the import dialog - PdfImportCairoDialog *dlg = NULL; - if (inkscape_use_gui()) { - dlg = new PdfImportCairoDialog(document); - if (!dlg->showDialog()) { - delete dlg; - return NULL; - } - } - - // Get needed page - int page_num; - if (dlg) { - page_num = dlg->getSelectedPage(); - delete dlg; - } - else - page_num = 1; - - double width, height; - PopplerPage* page = poppler_document_get_page(document, page_num - 1); - poppler_page_get_size(page, &width, &height); - - Glib::ustring* output = new Glib::ustring(""); - cairo_surface_t* surface = cairo_svg_surface_create_for_stream(Inkscape::Extension::Internal::_write_ustring_cb, - output, width, height); - cairo_t* cr = cairo_create(surface); - - poppler_page_render_for_printing(page, cr); - cairo_show_page(cr); - - cairo_destroy(cr); - cairo_surface_destroy(surface); - - SPDocument * doc = SPDocument::createNewDocFromMem(output->c_str(), output->length(), 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->getDefaultUnit()), doc->getHeight().value(doc->getDefaultUnit()))); - } - - delete output; - g_object_unref(page); - g_object_unref(document); - - return doc; -} - -static cairo_status_t - _write_ustring_cb(void *closure, const unsigned char *data, unsigned int length) -{ - Glib::ustring* stream = static_cast<Glib::ustring*>(closure); - stream->append(reinterpret_cast<const char*>(data), length); - - return CAIRO_STATUS_SUCCESS; -} - - -#include "clear-n_.h" - -void -PdfInputCairo::init(void) { - Inkscape::Extension::build_from_mem( - "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n" - "<name>" N_("PDF Input") "</name>\n" - "<id>org.inkscape.input.cairo-pdf</id>\n" - "<input>\n" - "<extension>.pdf</extension>\n" - "<mimetype>application/pdf</mimetype>\n" - "<filetypename>" N_("Adobe PDF via poppler-cairo (*.pdf)") "</filetypename>\n" - "<filetypetooltip>" N_("PDF Document") "</filetypetooltip>\n" - "</input>\n" - "</inkscape-extension>", new PdfInputCairo()); -} // init - -} } } /* namespace Inkscape, Extension, Implementation */ - -#endif /* HAVE_POPPLER_CAIRO */ -#endif /* HAVE_POPPLER_GLIB */ - -/* - 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 : |