X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fextension%2Finternal%2Fpdfinput%2Fpdf-input.cpp;h=ba00fe3435e82bcadeedac8c6ee42f32afaed8bb;hb=1b9d5cb9f9d04d2b7077af4eb946dceb67a0b535;hp=db401731f1d975322ec36aced5ca2a0250144bbb;hpb=3711b3e25395437ee0a09dbbb2a76d999c4ef322;p=inkscape.git diff --git a/src/extension/internal/pdfinput/pdf-input.cpp b/src/extension/internal/pdfinput/pdf-input.cpp index db401731f..ba00fe343 100644 --- a/src/extension/internal/pdfinput/pdf-input.cpp +++ b/src/extension/internal/pdfinput/pdf-input.cpp @@ -1,6 +1,6 @@ /** \file * Native PDF import using libpoppler. - * + * * Authors: * miklos erdelyi * @@ -23,6 +23,12 @@ #include "Page.h" #include "Catalog.h" +#ifdef HAVE_POPPLER_CAIRO +#include +#include +#include +#endif + #include "pdf-input.h" #include "extension/system.h" #include "extension/input.h" @@ -30,37 +36,628 @@ #include "pdf-parser.h" #include "document-private.h" +#include "application/application.h" + +#include "dialogs/dialog-events.h" +#include namespace Inkscape { namespace Extension { namespace Internal { /** - * Parses the first page of the given PDF document using PdfParser. + * \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") +}; + +PdfImportDialog::PdfImportDialog(PDFDoc *doc, const gchar *uri) +{ +#ifdef HAVE_POPPLER_CAIRO + _poppler_doc = NULL; +#endif // HAVE_POPPLER_CAIRO + _pdf_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 + Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage( + new class Gtk::Adjustment(1, 1, _pdf_doc->getNumPages(), 1, 10, 0)); + _pageNumberSpin = Gtk::manage(new class Gtk::SpinButton(*_pageNumberSpin_adj, 1, 1)); + _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 + int num_pages = _pdf_doc->getCatalog()->getNumPages(); + 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_text(_(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)); + alignment3 = Gtk::manage(new class Gtk::Alignment(0.5, 0.5, 1, 1)); + _labelPageSettings = Gtk::manage(new class Gtk::Label(_("Page settings"))); + _pageSettingsFrame = Gtk::manage(new class Gtk::Frame()); + _labelPrecision = Gtk::manage(new class Gtk::Label(_("Precision of approximating gradient meshes:"))); + _labelPrecisionWarning = Gtk::manage(new class Gtk::Label(_("Note: setting the precision too high may result in a large SVG file and slow performance."))); + + _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10)); + _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj)); + _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_text(_("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)); + alignment4 = Gtk::manage(new class Gtk::Alignment(0.5, 0.5, 1, 1)); + _labelImportSettings = Gtk::manage(new class Gtk::Label(_("Import settings"))); + _importSettingsFrame = Gtk::manage(new class Gtk::Frame()); + 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_flags(Gtk::CAN_FOCUS); + cancelbutton->set_flags(Gtk::CAN_DEFAULT); + cancelbutton->set_relief(Gtk::RELIEF_NORMAL); + okbutton->set_flags(Gtk::CAN_FOCUS); + okbutton->set_flags(Gtk::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_flags(Gtk::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_flags(Gtk::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); + alignment3->add(*vbox2); + _labelPageSettings->set_alignment(0.5,0.5); + _labelPageSettings->set_padding(4,0); + _labelPageSettings->set_justify(Gtk::JUSTIFY_LEFT); + _labelPageSettings->set_line_wrap(false); + _labelPageSettings->set_use_markup(true); + _labelPageSettings->set_selectable(false); + _pageSettingsFrame->set_border_width(4); + _pageSettingsFrame->set_shadow_type(Gtk::SHADOW_ETCHED_IN); + _pageSettingsFrame->set_label_align(0,0.5); + _pageSettingsFrame->add(*alignment3); + _pageSettingsFrame->set_label_widget(*_labelPageSettings); + _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_flags(Gtk::CAN_FOCUS); + _fallbackPrecisionSlider->set_update_policy(Gtk::UPDATE_CONTINUOUS); + _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_flags(Gtk::CAN_FOCUS); + _localFontsCheck->set_relief(Gtk::RELIEF_NORMAL); + _localFontsCheck->set_mode(true); + _localFontsCheck->set_active(true); + _embedImagesCheck->set_flags(Gtk::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); + alignment4->add(*vbox3); + _labelImportSettings->set_alignment(0.5,0.5); + _labelImportSettings->set_padding(4,0); + _labelImportSettings->set_justify(Gtk::JUSTIFY_LEFT); + _labelImportSettings->set_line_wrap(false); + _labelImportSettings->set_use_markup(true); + _labelImportSettings->set_selectable(false); + _importSettingsFrame->set_border_width(4); + _importSettingsFrame->set_shadow_type(Gtk::SHADOW_ETCHED_IN); + _importSettingsFrame->set_label_align(0,0.5); + _importSettingsFrame->add(*alignment4); + _importSettingsFrame->set_label_widget(*_labelImportSettings); + 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); + this->get_vbox()->set_homogeneous(false); + this->get_vbox()->set_spacing(0); + this->get_vbox()->pack_start(*hbox1); + this->set_title(_("PDF Import Settings")); + this->set_modal(true); + sp_transientize((GtkWidget *)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->set_has_separator(true); + 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(); + alignment3->show(); + _labelPageSettings->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(); + alignment4->show(); + _labelImportSettings->show(); + _importSettingsFrame->show(); + vbox1->show(); + _previewArea->show(); + hbox1->show(); + + // Connect signals + _previewArea->signal_expose_event().connect(sigc::mem_fun(*this, &PdfImportDialog::_onExposePreview)); + _pageNumberSpin_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPageNumberChanged)); + _cropCheck->signal_toggled().connect(sigc::mem_fun(*this, &PdfImportDialog::_onToggleCropping)); + _fallbackPrecisionSlider_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPrecisionChanged)); + + _render_thumb = false; +#ifdef HAVE_POPPLER_CAIRO + _cairo_surface = NULL; + _render_thumb = true; + // Create PopplerDocument + gchar *doc_uri = g_filename_to_uri(uri, NULL, NULL); + if (doc_uri) { + _poppler_doc = poppler_document_new_from_file(doc_uri, NULL, NULL); + g_free(doc_uri); + } +#endif + + // 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); +} + +PdfImportDialog::~PdfImportDialog() { +#ifdef HAVE_POPPLER_CAIRO + if (_cairo_surface) { + cairo_surface_destroy(_cairo_surface); + } + if (_poppler_doc) { + g_object_unref(G_OBJECT(_poppler_doc)); + } +#endif + if (_thumb_data) { + if (_render_thumb) { + delete _thumb_data; + } else { + gfree(_thumb_data); + } + } +} + +bool PdfImportDialog::showDialog() { + show(); + gint b = run(); + hide(); + if ( b == Gtk::RESPONSE_OK ) { + return TRUE; + } else { + return FALSE; + } +} + +int PdfImportDialog::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 PdfImportDialog::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 PdfImportDialog::_onPrecisionChanged() { + + static Glib::ustring precision_comments[] = { + Glib::ustring(_("rough")), + //TRANSLATORS: only translate "string" in "context|string". + // For more details, see http://developer.gnome.org/doc/API/2.0/glib/glib-I18N.html#Q-:CAPS + Glib::ustring(Q_("pdfinput|medium")), + Glib::ustring(_("fine")), + Glib::ustring(_("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 PdfImportDialog::_onToggleCropping() { + _cropTypeCombo->set_sensitive(_cropCheck->get_active()); +} + +void PdfImportDialog::_onPageNumberChanged() { + int page = _pageNumberSpin->get_value_as_int(); + _current_page = CLAMP(page, 1, _pdf_doc->getCatalog()->getNumPages()); + _setPreviewPage(_current_page); +} + +#ifdef HAVE_POPPLER_CAIRO +/** + * \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 = (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++; + } + } +} + +#endif + +/** + * \brief Updates the preview area with the previously rendered thumbnail + */ +bool PdfImportDialog::_onExposePreview(GdkEventExpose */*event*/) { + + // Check if we have a thumbnail at all + if (!_thumb_data) { + return true; + } + + // Create the pixbuf for the thumbnail + Glib::RefPtr 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); + Glib::RefPtr back_pixmap = Gdk::Pixmap::create( + _previewArea->get_window(), _thumb_width, _thumb_height, -1); + if (!back_pixmap) { + return true; + } + back_pixmap->draw_pixbuf(Glib::RefPtr(), thumb, 0, 0, 0, 0, + _thumb_width, _thumb_height, + Gdk::RGB_DITHER_NONE, 0, 0); + _previewArea->get_window()->set_back_pixmap(back_pixmap, false); + _previewArea->get_window()->clear(); + } +#ifdef HAVE_POPPLER_CAIRO + // Copy the thumbnail image from the Cairo surface + if (_render_thumb) { + copy_cairo_surface_to_pixbuf(_cairo_surface, _thumb_data, thumb->gobj()); + } +#endif + _previewArea->get_window()->draw_pixbuf(Glib::RefPtr(), thumb, + 0, 0, 0, _render_thumb ? 0 : 20, + -1, -1, Gdk::RGB_DITHER_NONE, 0, 0); + + return true; +} + +/** + * \brief Renders the given page's thumbnail using Cairo + */ +void PdfImportDialog::_setPreviewPage(int page) { + + _previewed_page = _pdf_doc->getCatalog()->getPage(page); + // Try to get a thumbnail from the PDF if possible + if (!_render_thumb) { + if (_thumb_data) { + gfree(_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; + } +#ifdef HAVE_POPPLER_CAIRO + // Get page size by accounting for rotation + double width, height; + int rotate = _previewed_page->getRotate(); + if ( rotate == 90 || rotate == 270 ) { + height = _previewed_page->getCropWidth(); + width = _previewed_page->getCropHeight(); + } else { + 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(); +#endif +} + +//////////////////////////////////////////////////////////////////////////////// + +/** + * Parses the selected page of the given PDF document using PdfParser. */ SPDocument * -PdfInput::open(::Inkscape::Extension::Input * mod, const gchar * uri) { +PdfInput::open(::Inkscape::Extension::Input * /*mod*/, const gchar * uri) { // Initialize the globalParams variable for poppler if (!globalParams) { globalParams = new GlobalParams(); } + // poppler does not use glib g_open. So on win32 we must use unicode call. code was copied from glib gstdio.c +#ifndef WIN32 GooString *filename_goo = new GooString(uri); PDFDoc *pdf_doc = new PDFDoc(filename_goo, NULL, NULL, NULL); // TODO: Could ask for password + //delete filename_goo; +#else + wchar_t *wfilename = (wchar_t*)g_utf8_to_utf16 (uri, -1, NULL, NULL, NULL); + + if (wfilename == NULL) { + return NULL; + } + + PDFDoc *pdf_doc = new PDFDoc(wfilename, wcslen(wfilename), NULL, NULL, NULL); // TODO: Could ask for password + g_free (wfilename); +#endif + if (!pdf_doc->isOk()) { int error = pdf_doc->getErrorCode(); delete pdf_doc; if (error == errEncrypted) { g_message("Document is encrypted."); + } else if (error == errOpenFile) { + g_message("couldn't open the PDF file."); + } else if (error == errBadCatalog) { + g_message("couldn't read the page catalog."); + } else if (error == errDamaged) { + g_message("PDF file was damaged and couldn't be repaired."); + } else if (error == errHighlightFile) { + g_message("nonexistent or invalid highlight file."); + } else if (error == errBadPrinter) { + g_message("invalid printer."); + } else if (error == errPrinting) { + g_message("Error during printing."); + } else if (error == errPermission) { + g_message("PDF file does not allow that operation."); + } else if (error == errBadPageNum) { + g_message("invalid page number."); + } else if (error == errFileIO) { + g_message("file IO error."); } else { g_message("Failed to load document from data (error %d)", error); } - + return NULL; } + PdfImportDialog *dlg = NULL; + if (Inkscape::NSApplication::Application::getUseGui()) { + dlg = new PdfImportDialog(pdf_doc, uri); + if (!dlg->showDialog()) { + delete dlg; + delete pdf_doc; + return NULL; + } + } + // Get needed page - int page_num = 1; + int page_num; + if (dlg) + page_num = dlg->getSelectedPage(); + else + page_num = 1; Catalog *catalog = pdf_doc->getCatalog(); Page *page = catalog->getPage(page_num); @@ -68,25 +665,76 @@ PdfInput::open(::Inkscape::Extension::Input * mod, const gchar * uri) { bool saved = sp_document_get_undo_sensitive(doc); sp_document_set_undo_sensitive(doc, false); // No need to undo in this temporary document - // Create builder and parser - SvgBuilder *builder = new SvgBuilder(doc); + // Create builder + gchar *docname = g_path_get_basename(uri); + gchar *dot = g_strrstr(docname, "."); + if (dot) { + *dot = 0; + } + SvgBuilder *builder = new SvgBuilder(doc, docname, pdf_doc->getXRef()); + + // Get preferences + Inkscape::XML::Node *prefs = builder->getPreferences(); + if (dlg) + dlg->getImportSettings(prefs); + + // Apply crop settings + PDFRectangle *clipToBox = NULL; + double crop_setting; + sp_repr_get_double(prefs, "cropTo", &crop_setting); + if ( crop_setting >= 0.0 ) { // Do page clipping + int crop_choice = (int)crop_setting; + switch (crop_choice) { + case 0: // Media box + clipToBox = page->getMediaBox(); + break; + case 1: // Crop box + clipToBox = page->getCropBox(); + break; + case 2: // Bleed box + clipToBox = page->getBleedBox(); + break; + case 3: // Trim box + clipToBox = page->getTrimBox(); + break; + case 4: // Art box + clipToBox = page->getArtBox(); + break; + default: + break; + } + } + + // Create parser PdfParser *pdf_parser = new PdfParser(pdf_doc->getXRef(), builder, page_num-1, page->getRotate(), - page->getResourceDict(), page->getCropBox()); + page->getResourceDict(), page->getCropBox(), clipToBox); + + // Set up approximation precision for parser + double color_delta; + sp_repr_get_double(prefs, "approximationPrecision", &color_delta); + if ( color_delta <= 0.0 ) { + color_delta = 1.0 / 2.0; + } else { + color_delta = 1.0 / color_delta; + } + for ( int i = 1 ; i <= pdfNumShadingTypes ; i++ ) { + pdf_parser->setApproximationPrecision(i, color_delta, 6); + } // Parse the document structure Object obj; page->getContents(&obj); if (!obj.isNull()) { - pdf_parser->saveState(); pdf_parser->parse(&obj); - pdf_parser->restoreState(); } - + // Cleanup obj.free(); delete pdf_parser; delete builder; + g_free(docname); delete pdf_doc; + delete dlg; // Restore undo sp_document_set_undo_sensitive(doc, saved); @@ -100,15 +748,29 @@ void PdfInput::init(void) { Inkscape::Extension::Extension * ext; + /* PDF in */ ext = Inkscape::Extension::build_from_mem( - "\n" - "PDF Input\n" + "\n" + "" N_("PDF Input") "\n" "org.inkscape.input.pdf\n" "\n" ".pdf\n" "application/pdf\n" - "Adobe PDF (*.pdf) [native]\n" - "PDF Document\n" + "" N_("Adobe PDF (*.pdf)") "\n" + "" N_("Adobe Portable Document Format") "\n" + "\n" + "", new PdfInput()); + + /* AI in */ + ext = Inkscape::Extension::build_from_mem( + "\n" + "" N_("AI Input") "\n" + "org.inkscape.input.ai\n" + "\n" + ".ai\n" + "image/x-adobe-illustrator\n" + "" N_("Adobe Illustrator 9.0 and above (*.ai)") "\n" + "" N_("Open files saved in Adobe Illustrator 9.0 and newer versions") "\n" "\n" "", new PdfInput()); } // init