1 /** \file
2 * Native PDF import using libpoppler.
3 *
4 * Authors:
5 * miklos erdelyi
6 *
7 * Copyright (C) 2007 Authors
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 *
11 */
13 #ifdef HAVE_CONFIG_H
14 # include <config.h>
15 #endif
17 #ifdef HAVE_POPPLER
19 #include "goo/GooString.h"
20 #include "ErrorCodes.h"
21 #include "GlobalParams.h"
22 #include "PDFDoc.h"
23 #include "Page.h"
24 #include "Catalog.h"
26 #include "pdf-input.h"
27 #include "extension/system.h"
28 #include "extension/input.h"
29 #include "svg-builder.h"
30 #include "pdf-parser.h"
32 #include "document-private.h"
34 #include <gtk/gtkdialog.h>
36 namespace Inkscape {
37 namespace Extension {
38 namespace Internal {
40 /**
41 * \brief The PDF import dialog
42 * FIXME: Probably this should be placed into src/ui/dialog
43 */
45 static Glib::ustring crop_setting_choices[] = {
46 Glib::ustring(_("media box")),
47 Glib::ustring(_("crop box")),
48 Glib::ustring(_("trim box")),
49 Glib::ustring(_("bleed box")),
50 Glib::ustring(_("art box"))
51 };
53 PdfImportDialog::PdfImportDialog(PDFDoc *doc)
54 {
56 _pdf_doc = doc;
58 cancelbutton = Gtk::manage(new class Gtk::Button(Gtk::StockID("gtk-cancel")));
59 okbutton = Gtk::manage(new class Gtk::Button(Gtk::StockID("gtk-ok")));
60 _labelSelect = Gtk::manage(new class Gtk::Label(_("Select page:")));
62 // Page number
63 Gtk::Adjustment *_pageNumberSpin_adj = Gtk::manage(
64 new class Gtk::Adjustment(1, 1, _pdf_doc->getNumPages(), 1, 10, 0));
65 _pageNumberSpin = Gtk::manage(new class Gtk::SpinButton(*_pageNumberSpin_adj, 1, 1));
66 hbox2 = Gtk::manage(new class Gtk::HBox(false, 0));
68 // Crop settings
69 _cropCheck = Gtk::manage(new class Gtk::CheckButton(_("Crop to:")));
70 _cropTypeCombo = Gtk::manage(new class Gtk::ComboBoxText());
71 int num_crop_choices = sizeof(crop_setting_choices) / sizeof(crop_setting_choices[0]);
72 for ( int i = 0 ; i < num_crop_choices ; i++ ) {
73 _cropTypeCombo->append_text(crop_setting_choices[i]);
74 }
75 _cropTypeCombo->set_active_text(crop_setting_choices[0]);
76 _cropTypeCombo->set_sensitive(false);
78 hbox3 = Gtk::manage(new class Gtk::HBox(false, 0));
79 vbox2 = Gtk::manage(new class Gtk::VBox(false, 0));
80 alignment3 = Gtk::manage(new class Gtk::Alignment(0.5, 0.5, 1, 1));
81 _labelPageSettings = Gtk::manage(new class Gtk::Label(_("Page Settings")));
82 _pageSettingsFrame = Gtk::manage(new class Gtk::Frame());
83 _labelPrecision = Gtk::manage(new class Gtk::Label(_("Precision of approximation for gradient meshes:")));
85 _fallbackPrecisionSlider_adj = Gtk::manage(new class Gtk::Adjustment(2, 1, 256, 1, 10, 10));
86 _fallbackPrecisionSlider = Gtk::manage(new class Gtk::HScale(*_fallbackPrecisionSlider_adj));
87 _fallbackPrecisionSlider->set_value(2.0);
88 _labelPrecisionComment = Gtk::manage(new class Gtk::Label(_("rough")));
89 hbox6 = Gtk::manage(new class Gtk::HBox(false, 0));
91 // Text options
92 _labelText = Gtk::manage(new class Gtk::Label(_("Text handling:")));
93 _textHandlingCombo = Gtk::manage(new class Gtk::ComboBoxText());
94 _textHandlingCombo->append_text(_("import text as text"));
95 _textHandlingCombo->set_active_text(_("import text as text"));
97 hbox5 = Gtk::manage(new class Gtk::HBox(false, 0));
98 _embedImagesCheck = Gtk::manage(new class Gtk::CheckButton(_("Embed images")));
99 vbox3 = Gtk::manage(new class Gtk::VBox(false, 0));
100 alignment4 = Gtk::manage(new class Gtk::Alignment(0.5, 0.5, 1, 1));
101 _labelImportSettings = Gtk::manage(new class Gtk::Label(_("Import Settings")));
102 _importSettingsFrame = Gtk::manage(new class Gtk::Frame());
103 vbox1 = Gtk::manage(new class Gtk::VBox(false, 0));
104 _previewArea = Gtk::manage(new class Gtk::DrawingArea());
105 hbox1 = Gtk::manage(new class Gtk::HBox(false, 0));
106 cancelbutton->set_flags(Gtk::CAN_FOCUS);
107 cancelbutton->set_flags(Gtk::CAN_DEFAULT);
108 cancelbutton->set_relief(Gtk::RELIEF_NORMAL);
109 okbutton->set_flags(Gtk::CAN_FOCUS);
110 okbutton->set_flags(Gtk::CAN_DEFAULT);
111 okbutton->set_relief(Gtk::RELIEF_NORMAL);
112 this->get_action_area()->property_layout_style().set_value(Gtk::BUTTONBOX_END);
113 _labelSelect->set_alignment(0.5,0.5);
114 _labelSelect->set_padding(0,0);
115 _labelSelect->set_justify(Gtk::JUSTIFY_LEFT);
116 _labelSelect->set_line_wrap(false);
117 _labelSelect->set_use_markup(false);
118 _labelSelect->set_selectable(false);
119 _pageNumberSpin->set_flags(Gtk::CAN_FOCUS);
120 _pageNumberSpin->set_update_policy(Gtk::UPDATE_ALWAYS);
121 _pageNumberSpin->set_numeric(true);
122 _pageNumberSpin->set_digits(0);
123 _pageNumberSpin->set_wrap(false);
124 hbox2->pack_start(*_labelSelect, Gtk::PACK_SHRINK, 0);
125 hbox2->pack_start(*_pageNumberSpin, Gtk::PACK_SHRINK, 4);
126 _cropCheck->set_flags(Gtk::CAN_FOCUS);
127 _cropCheck->set_relief(Gtk::RELIEF_NORMAL);
128 _cropCheck->set_mode(true);
129 _cropCheck->set_active(false);
130 _cropTypeCombo->set_border_width(1);
131 hbox3->pack_start(*_cropCheck, Gtk::PACK_SHRINK, 0);
132 hbox3->pack_start(*_cropTypeCombo, Gtk::PACK_SHRINK, 4);
133 vbox2->pack_start(*hbox2);
134 vbox2->pack_start(*hbox3);
135 alignment3->add(*vbox2);
136 _labelPageSettings->set_alignment(0.5,0.5);
137 _labelPageSettings->set_padding(0,0);
138 _labelPageSettings->set_justify(Gtk::JUSTIFY_LEFT);
139 _labelPageSettings->set_line_wrap(false);
140 _labelPageSettings->set_use_markup(true);
141 _labelPageSettings->set_selectable(false);
142 _pageSettingsFrame->set_border_width(4);
143 _pageSettingsFrame->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
144 _pageSettingsFrame->set_label_align(0,0.5);
145 _pageSettingsFrame->add(*alignment3);
146 _pageSettingsFrame->set_label_widget(*_labelPageSettings);
147 _labelPrecision->set_alignment(0.5,0.5);
148 _labelPrecision->set_padding(0,0);
149 _labelPrecision->set_justify(Gtk::JUSTIFY_LEFT);
150 _labelPrecision->set_line_wrap(false);
151 _labelPrecision->set_use_markup(false);
152 _labelPrecision->set_selectable(false);
153 _fallbackPrecisionSlider->set_size_request(180,-1);
154 _fallbackPrecisionSlider->set_flags(Gtk::CAN_FOCUS);
155 _fallbackPrecisionSlider->set_update_policy(Gtk::UPDATE_CONTINUOUS);
156 _fallbackPrecisionSlider->set_inverted(false);
157 _fallbackPrecisionSlider->set_digits(1);
158 _fallbackPrecisionSlider->set_draw_value(true);
159 _fallbackPrecisionSlider->set_value_pos(Gtk::POS_TOP);
160 _labelPrecisionComment->set_size_request(90,-1);
161 _labelPrecisionComment->set_alignment(0.5,0.5);
162 _labelPrecisionComment->set_padding(0,0);
163 _labelPrecisionComment->set_justify(Gtk::JUSTIFY_LEFT);
164 _labelPrecisionComment->set_line_wrap(false);
165 _labelPrecisionComment->set_use_markup(false);
166 _labelPrecisionComment->set_selectable(false);
167 hbox6->pack_start(*_fallbackPrecisionSlider, Gtk::PACK_SHRINK, 4);
168 hbox6->pack_start(*_labelPrecisionComment, Gtk::PACK_SHRINK, 4);
169 _labelText->set_alignment(0.5,0.5);
170 _labelText->set_padding(0,0);
171 _labelText->set_justify(Gtk::JUSTIFY_LEFT);
172 _labelText->set_line_wrap(false);
173 _labelText->set_use_markup(false);
174 _labelText->set_selectable(false);
175 hbox5->pack_start(*_labelText, Gtk::PACK_SHRINK, 0);
176 hbox5->pack_start(*_textHandlingCombo, Gtk::PACK_SHRINK, 0);
177 _embedImagesCheck->set_flags(Gtk::CAN_FOCUS);
178 _embedImagesCheck->set_relief(Gtk::RELIEF_NORMAL);
179 _embedImagesCheck->set_mode(true);
180 _embedImagesCheck->set_active(true);
181 vbox3->pack_start(*_labelPrecision, Gtk::PACK_SHRINK, 4);
182 vbox3->pack_start(*hbox6, Gtk::PACK_SHRINK, 0);
183 vbox3->pack_start(*hbox5);
184 vbox3->pack_start(*_embedImagesCheck, Gtk::PACK_SHRINK, 0);
185 alignment4->add(*vbox3);
186 _labelImportSettings->set_alignment(0.5,0.5);
187 _labelImportSettings->set_padding(0,0);
188 _labelImportSettings->set_justify(Gtk::JUSTIFY_LEFT);
189 _labelImportSettings->set_line_wrap(false);
190 _labelImportSettings->set_use_markup(true);
191 _labelImportSettings->set_selectable(false);
192 _importSettingsFrame->set_border_width(4);
193 _importSettingsFrame->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
194 _importSettingsFrame->set_label_align(0,0.5);
195 _importSettingsFrame->add(*alignment4);
196 _importSettingsFrame->set_label_widget(*_labelImportSettings);
197 vbox1->pack_start(*_pageSettingsFrame, Gtk::PACK_EXPAND_PADDING, 0);
198 vbox1->pack_start(*_importSettingsFrame, Gtk::PACK_EXPAND_PADDING, 0);
199 hbox1->pack_start(*vbox1);
200 hbox1->pack_start(*_previewArea, Gtk::PACK_EXPAND_WIDGET, 4);
201 this->get_vbox()->set_homogeneous(false);
202 this->get_vbox()->set_spacing(0);
203 this->get_vbox()->pack_start(*hbox1);
204 this->set_title(_("PDF Import Settings"));
205 this->set_modal(true);
206 this->property_window_position().set_value(Gtk::WIN_POS_NONE);
207 this->set_resizable(true);
208 this->property_destroy_with_parent().set_value(false);
209 this->set_has_separator(true);
210 this->add_action_widget(*cancelbutton, -6);
211 this->add_action_widget(*okbutton, -5);
212 cancelbutton->show();
213 okbutton->show();
214 _labelSelect->show();
215 _pageNumberSpin->show();
216 hbox2->show();
217 _cropCheck->show();
218 _cropTypeCombo->show();
219 hbox3->show();
220 vbox2->show();
221 alignment3->show();
222 _labelPageSettings->show();
223 _pageSettingsFrame->show();
224 _labelPrecision->show();
225 _fallbackPrecisionSlider->show();
226 _labelPrecisionComment->show();
227 hbox6->show();
228 _labelText->show();
229 _textHandlingCombo->show();
230 hbox5->show();
231 _embedImagesCheck->show();
232 vbox3->show();
233 alignment4->show();
234 _labelImportSettings->show();
235 _importSettingsFrame->show();
236 vbox1->show();
237 _previewArea->show();
238 hbox1->show();
240 // Connect signals
241 _previewArea->signal_expose_event().connect(sigc::mem_fun(*this, &PdfImportDialog::_onExposePreview));
242 _pageNumberSpin_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPageNumberChanged));
243 _cropCheck->signal_toggled().connect(sigc::mem_fun(*this, &PdfImportDialog::_onToggleCropping));
244 _fallbackPrecisionSlider_adj->signal_value_changed().connect(sigc::mem_fun(*this, &PdfImportDialog::_onPrecisionChanged));
246 #ifdef HAVE_POPPLER_CAIRO
247 // Create an OutputDev
248 _preview_output_dev = new CairoOutputDev();
249 _preview_output_dev->startDoc(_pdf_doc->getXRef());
250 _cairo_surface = NULL;
251 #endif
253 // Set default preview size
254 _preview_width = 200;
255 _preview_height = 300;
257 // Init preview
258 _thumb_data = NULL;
259 _pageNumberSpin_adj->set_value(1.0);
260 }
262 PdfImportDialog::~PdfImportDialog() {
263 #ifdef HAVE_POPPLER_CAIRO
264 if (_preview_output_dev) {
265 delete _preview_output_dev;
266 }
267 if (_cairo_surface) {
268 cairo_surface_destroy(_cairo_surface);
269 }
270 #endif
271 if (_thumb_data) {
272 delete _thumb_data;
273 }
274 }
276 bool PdfImportDialog::showDialog() {
277 show();
278 gint b = run();
279 hide();
280 if ( b == Gtk::RESPONSE_OK ) {
281 return TRUE;
282 } else {
283 return FALSE;
284 }
285 }
287 int PdfImportDialog::getSelectedPage() {
288 return _current_page;
289 }
291 /**
292 * \brief Retrieves the current settings into a repr which SvgBuilder will use
293 * for determining the behaviour desired by the user
294 */
295 void PdfImportDialog::getImportSettings(Inkscape::XML::Node *prefs) {
296 sp_repr_set_svg_double(prefs, "selectedPage", (double)_current_page);
297 if (_cropCheck->get_active()) {
298 Glib::ustring current_choice = _cropTypeCombo->get_active_text();
299 int num_crop_choices = sizeof(crop_setting_choices) / sizeof(crop_setting_choices[0]);
300 int i = 0;
301 for ( ; i < num_crop_choices ; i++ ) {
302 if ( current_choice == crop_setting_choices[i] ) {
303 break;
304 }
305 }
306 sp_repr_set_svg_double(prefs, "cropTo", (double)i);
307 } else {
308 sp_repr_set_svg_double(prefs, "cropTo", -1.0);
309 }
310 sp_repr_set_svg_double(prefs, "approximationPrecision",
311 _fallbackPrecisionSlider->get_value());
312 if (_embedImagesCheck->get_active()) {
313 prefs->setAttribute("embedImages", "1");
314 } else {
315 prefs->setAttribute("embedImages", "0");
316 }
317 }
319 /**
320 * \brief Redisplay the comment on the current approximation precision setting
321 * Evenly divides the interval of possible values between the available labels.
322 */
323 void PdfImportDialog::_onPrecisionChanged() {
325 static Glib::ustring precision_comments[] = {
326 Glib::ustring(_("rough")),
327 Glib::ustring(_("medium")),
328 Glib::ustring(_("fine")),
329 Glib::ustring(_("very fine"))
330 };
332 double min = _fallbackPrecisionSlider_adj->get_lower();
333 double max = _fallbackPrecisionSlider_adj->get_upper();
334 int num_intervals = sizeof(precision_comments) / sizeof(precision_comments[0]);
335 double interval_len = ( max - min ) / (double)num_intervals;
336 double value = _fallbackPrecisionSlider_adj->get_value();
337 int comment_idx = (int)floor( ( value - min ) / interval_len );
338 _labelPrecisionComment->set_label(precision_comments[comment_idx]);
339 }
341 void PdfImportDialog::_onToggleCropping() {
342 _cropTypeCombo->set_sensitive(_cropCheck->get_active());
343 }
345 void PdfImportDialog::_onPageNumberChanged() {
346 int page = _pageNumberSpin->get_value_as_int();
347 _current_page = CLAMP(page, 1, _pdf_doc->getCatalog()->getNumPages());
348 _setPreviewPage(_current_page);
349 }
351 #ifdef HAVE_POPPLER_CAIRO
352 /**
353 * \brief Copies image data from a Cairo surface to a pixbuf
354 *
355 * Borrowed from libpoppler, from the file poppler-page.cc
356 * Copyright (C) 2005, Red Hat, Inc.
357 *
358 */
359 static void copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
360 unsigned char *data,
361 GdkPixbuf *pixbuf)
362 {
363 int cairo_width, cairo_height, cairo_rowstride;
364 unsigned char *pixbuf_data, *dst, *cairo_data;
365 int pixbuf_rowstride, pixbuf_n_channels;
366 unsigned int *src;
367 int x, y;
369 cairo_width = cairo_image_surface_get_width (surface);
370 cairo_height = cairo_image_surface_get_height (surface);
371 cairo_rowstride = cairo_width * 4;
372 cairo_data = data;
374 pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
375 pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
376 pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
378 if (cairo_width > gdk_pixbuf_get_width (pixbuf))
379 cairo_width = gdk_pixbuf_get_width (pixbuf);
380 if (cairo_height > gdk_pixbuf_get_height (pixbuf))
381 cairo_height = gdk_pixbuf_get_height (pixbuf);
382 for (y = 0; y < cairo_height; y++)
383 {
384 src = (unsigned int *) (cairo_data + y * cairo_rowstride);
385 dst = pixbuf_data + y * pixbuf_rowstride;
386 for (x = 0; x < cairo_width; x++)
387 {
388 dst[0] = (*src >> 16) & 0xff;
389 dst[1] = (*src >> 8) & 0xff;
390 dst[2] = (*src >> 0) & 0xff;
391 if (pixbuf_n_channels == 4)
392 dst[3] = (*src >> 24) & 0xff;
393 dst += pixbuf_n_channels;
394 src++;
395 }
396 }
397 }
398 #endif
400 /**
401 * \brief Updates the preview area with the previously rendered thumbnail
402 */
403 bool PdfImportDialog::_onExposePreview(GdkEventExpose *event) {
405 #ifdef HAVE_POPPLER_CAIRO
406 Glib::RefPtr<Gdk::Pixbuf> thumb = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true,
407 8, _thumb_width, _thumb_height);
408 // Set background to white
409 thumb->fill(0xffffffff);
410 Glib::RefPtr<Gdk::Pixmap> back_pixmap = Gdk::Pixmap::create(_previewArea->get_window(),
411 _thumb_width, _thumb_height, -1);
412 back_pixmap->draw_pixbuf(Glib::RefPtr<Gdk::GC>(), thumb, 0, 0, 0, 0,
413 static_cast<int>(_thumb_width),
414 static_cast<int>(_thumb_height),
415 Gdk::RGB_DITHER_NONE, 0, 0);
416 _previewArea->get_window()->set_back_pixmap(back_pixmap, false);
417 _previewArea->get_window()->clear();
418 // Copy the thumbnail image from the Cairo surface
419 copy_cairo_surface_to_pixbuf(_cairo_surface, _thumb_data, thumb->gobj());
420 _previewArea->get_window()->draw_pixbuf(Glib::RefPtr<Gdk::GC>(), thumb,
421 0, 0, 0, 0, -1, -1,
422 Gdk::RGB_DITHER_NONE, 0, 0);
423 #endif
425 return true;
426 }
428 /**
429 * \brief Renders the given page's thumbnail using Cairo
430 */
431 void PdfImportDialog::_setPreviewPage(int page) {
433 #ifdef HAVE_POPPLER_CAIRO
434 _previewed_page = _pdf_doc->getCatalog()->getPage(page);
435 // TODO: When available, obtain the thumbnail from the PDF document itself
436 // Get page size by accounting for rotation
437 double width, height;
438 int rotate = _previewed_page->getRotate();
439 if ( rotate == 90 || rotate == 270 ) {
440 height = _previewed_page->getCropWidth();
441 width = _previewed_page->getCropHeight();
442 } else {
443 width = _previewed_page->getCropWidth();
444 height = _previewed_page->getCropHeight();
445 }
446 // Calculate the needed scaling for the page
447 double scale_x = (double)_preview_width / width;
448 double scale_y = (double)_preview_height / height;
449 double scale_factor = ( scale_x > scale_y ) ? scale_y : scale_x;
450 // Create new Cairo surface
451 _thumb_width = (int)ceil( width * scale_factor );
452 _thumb_height = (int)ceil( height * scale_factor );
453 int rowstride = _thumb_width * 4;
454 if (_thumb_data) {
455 delete _thumb_data;
456 }
457 _thumb_data = new unsigned char[ rowstride * _thumb_height ];
458 if (_cairo_surface) {
459 cairo_surface_destroy(_cairo_surface);
460 }
461 _cairo_surface = cairo_image_surface_create_for_data(_thumb_data,
462 CAIRO_FORMAT_ARGB32, _thumb_width, _thumb_height, rowstride);
463 cairo_t *cr = cairo_create(_cairo_surface);
464 cairo_scale(cr, scale_factor, scale_factor); // Use Cairo for resizing the image
465 _preview_output_dev->setCairo(cr);
466 // Render page
467 _previewed_page->displaySlice(_preview_output_dev,
468 72.0, 72.0, 0,
469 FALSE, /* useMediaBox */
470 TRUE, /* crop */
471 0, 0,
472 (int)ceil(_previewed_page->getCropWidth()),
473 (int)ceil(_previewed_page->getCropHeight()),
474 FALSE, /* printing */
475 _pdf_doc->getCatalog());
476 // Clean up
477 _preview_output_dev->setCairo(NULL);
478 cairo_destroy(cr);
479 // Redraw preview area
480 _previewArea->set_size_request(_preview_width, _preview_height);
481 _previewArea->queue_draw();
482 #endif
483 }
485 ////////////////////////////////////////////////////////////////////////////////
487 /**
488 * Parses the selected page of the given PDF document using PdfParser.
489 */
490 SPDocument *
491 PdfInput::open(::Inkscape::Extension::Input * mod, const gchar * uri) {
493 // Initialize the globalParams variable for poppler
494 if (!globalParams) {
495 globalParams = new GlobalParams();
496 }
497 GooString *filename_goo = new GooString(uri);
498 PDFDoc *pdf_doc = new PDFDoc(filename_goo, NULL, NULL, NULL); // TODO: Could ask for password
499 if (!pdf_doc->isOk()) {
500 int error = pdf_doc->getErrorCode();
501 delete pdf_doc;
502 if (error == errEncrypted) {
503 g_message("Document is encrypted.");
504 } else {
505 g_message("Failed to load document from data (error %d)", error);
506 }
508 return NULL;
509 }
510 PdfImportDialog *dlg = new PdfImportDialog(pdf_doc);
511 if (!dlg->showDialog()) {
512 delete dlg;
513 delete pdf_doc;
515 return NULL;
516 }
518 // Get needed page
519 int page_num = dlg->getSelectedPage();
520 Catalog *catalog = pdf_doc->getCatalog();
521 Page *page = catalog->getPage(page_num);
523 SPDocument *doc = sp_document_new(NULL, TRUE, TRUE);
524 bool saved = sp_document_get_undo_sensitive(doc);
525 sp_document_set_undo_sensitive(doc, false); // No need to undo in this temporary document
527 // Create builder
528 gchar *docname = g_path_get_basename(uri);
529 gchar *dot = g_strrstr(docname, ".");
530 if (dot) {
531 *dot = 0;
532 }
533 SvgBuilder *builder = new SvgBuilder(doc, docname, pdf_doc->getXRef());
535 // Get preferences
536 Inkscape::XML::Node *prefs = builder->getPreferences();
537 dlg->getImportSettings(prefs);
539 // Apply crop settings
540 PDFRectangle *clipToBox = NULL;
541 double crop_setting;
542 sp_repr_get_double(prefs, "cropTo", &crop_setting);
543 if ( crop_setting >= 0.0 ) { // Do page clipping
544 int crop_choice = (int)crop_setting;
545 switch (crop_choice) {
546 case 0: // Media box
547 clipToBox = page->getMediaBox();
548 break;
549 case 1: // Crop box
550 clipToBox = page->getCropBox();
551 break;
552 case 2: // Bleed box
553 clipToBox = page->getBleedBox();
554 break;
555 case 3: // Trim box
556 clipToBox = page->getTrimBox();
557 break;
558 case 4: // Art box
559 clipToBox = page->getArtBox();
560 break;
561 default:
562 break;
563 }
564 }
566 // Create parser
567 PdfParser *pdf_parser = new PdfParser(pdf_doc->getXRef(), builder, page_num-1, page->getRotate(),
568 page->getResourceDict(), page->getCropBox(), clipToBox);
570 // Set up approximation precision for parser
571 double color_delta;
572 sp_repr_get_double(prefs, "approximationPrecision", &color_delta);
573 if ( color_delta <= 0.0 ) {
574 color_delta = 1.0 / 2.0;
575 } else {
576 color_delta = 1.0 / color_delta;
577 }
578 for ( int i = 1 ; i <= pdfNumShadingTypes ; i++ ) {
579 pdf_parser->setApproximationPrecision(i, color_delta, 6);
580 }
582 // Parse the document structure
583 Object obj;
584 page->getContents(&obj);
585 if (!obj.isNull()) {
586 pdf_parser->parse(&obj);
587 }
589 // Cleanup
590 obj.free();
591 delete pdf_parser;
592 delete builder;
593 g_free(docname);
594 delete pdf_doc;
596 // Restore undo
597 sp_document_set_undo_sensitive(doc, saved);
599 return doc;
600 }
602 #include "../clear-n_.h"
604 void
605 PdfInput::init(void) {
606 Inkscape::Extension::Extension * ext;
608 /* PDF in */
609 ext = Inkscape::Extension::build_from_mem(
610 "<inkscape-extension>\n"
611 "<name>PDF Input</name>\n"
612 "<id>org.inkscape.input.pdf</id>\n"
613 "<input>\n"
614 "<extension>.pdf</extension>\n"
615 "<mimetype>application/pdf</mimetype>\n"
616 "<filetypename>Adobe PDF (*.pdf) [via poppler]</filetypename>\n"
617 "<filetypetooltip>Adobe Portable Document Format</filetypetooltip>\n"
618 "</input>\n"
619 "</inkscape-extension>", new PdfInput());
621 /* AI in */
622 ext = Inkscape::Extension::build_from_mem(
623 "<inkscape-extension>\n"
624 "<name>AI Input</name>\n"
625 "<id>org.inkscape.input.ai</id>\n"
626 "<input>\n"
627 "<extension>.ai</extension>\n"
628 "<mimetype>image/x-adobe-illustrator</mimetype>\n"
629 "<filetypename>Adobe Illustrator (*.ai) [PDF-based]</filetypename>\n"
630 "<filetypetooltip>Open files saved with recent versions of Adobe Illustrator</filetypetooltip>\n"
631 "</input>\n"
632 "</inkscape-extension>", new PdfInput());
633 } // init
635 } } } /* namespace Inkscape, Extension, Implementation */
637 #endif /* HAVE_POPPLER */
639 /*
640 Local Variables:
641 mode:c++
642 c-file-style:"stroustrup"
643 c-file-offsets:((innamespace . 0)(inline-open . 0))
644 indent-tabs-mode:nil
645 fill-column:99
646 End:
647 */
648 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :