+
+static gboolean
+pdf_document_search_idle_callback (void *data)
+{
+ PdfDocumentSearch *search = (PdfDocumentSearch*) data;
+ PdfDocument *pdf_document = search->document;
+ int n_pages;
+ GList *matches;
+ PopplerPage *page;
+
+ page = poppler_document_get_page (search->document->document,
+ search->search_page);
+ set_page_orientation (pdf_document, page);
+
+ ev_document_doc_mutex_lock ();
+ matches = poppler_page_find_text (page, search->text);
+ ev_document_doc_mutex_unlock ();
+
+ g_object_unref (page);
+
+ search->pages[search->search_page] = matches;
+ ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
+ search->search_page);
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
+ search->search_page += 1;
+ if (search->search_page == n_pages) {
+ /* wrap around */
+ search->search_page = 0;
+ }
+
+ if (search->search_page != search->start_page) {
+ return TRUE;
+ }
+
+ /* We're done. */
+ search->idle = 0; /* will return FALSE to remove */
+ return FALSE;
+}
+
+
+static PdfDocumentSearch *
+pdf_document_search_new (PdfDocument *pdf_document,
+ int start_page,
+ const char *text)
+{
+ PdfDocumentSearch *search;
+ int n_pages;
+ int i;
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
+
+ search = g_new0 (PdfDocumentSearch, 1);
+
+ search->text = g_strdup (text);
+ search->pages = g_new0 (GList *, n_pages);
+ for (i = 0; i < n_pages; i++) {
+ search->pages[i] = NULL;
+ }
+
+ search->document = pdf_document;
+
+ /* We add at low priority so the progress bar repaints */
+ search->idle = g_idle_add_full (G_PRIORITY_LOW,
+ pdf_document_search_idle_callback,
+ search,
+ NULL);
+
+ search->start_page = start_page;
+ search->search_page = start_page;
+
+ return search;
+}
+
+static void
+pdf_document_find_begin (EvDocumentFind *document,
+ int page,
+ const char *search_string,
+ gboolean case_sensitive)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ /* FIXME handle case_sensitive (right now XPDF
+ * code is always case insensitive for ASCII
+ * and case sensitive for all other languaages)
+ */
+
+ if (pdf_document->search &&
+ strcmp (search_string, pdf_document->search->text) == 0)
+ return;
+
+ if (pdf_document->search)
+ pdf_document_search_free (pdf_document->search);
+
+ pdf_document->search = pdf_document_search_new (pdf_document,
+ page,
+ search_string);
+}
+
+int
+pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ if (search) {
+ return g_list_length (search->pages[page]);
+ } else {
+ return 0;
+ }
+}
+
+gboolean
+pdf_document_find_get_result (EvDocumentFind *document_find,
+ int page,
+ int n_result,
+ EvRectangle *rectangle)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
+ PdfDocumentSearch *search = pdf_document->search;
+ PopplerPage *poppler_page;
+ PopplerRectangle *r;
+ double height;
+
+ if (search == NULL)
+ return FALSE;
+
+ r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
+ n_result);
+ if (r == NULL)
+ return FALSE;
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ set_page_orientation (pdf_document, poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+ rectangle->x1 = r->x1;
+ rectangle->y1 = height - r->y2;
+ rectangle->x2 = r->x2;
+ rectangle->y2 = height - r->y1;
+ g_object_unref (poppler_page);
+
+ return TRUE;
+}
+
+int
+pdf_document_find_page_has_results (EvDocumentFind *document_find,
+ int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ g_return_val_if_fail (search != NULL, FALSE);
+
+ return search->pages[page] != NULL;
+}
+
+double
+pdf_document_find_get_progress (EvDocumentFind *document_find)
+{
+ PdfDocumentSearch *search;
+ int n_pages, pages_done;
+
+ search = PDF_DOCUMENT (document_find)->search;
+
+ if (search == NULL) {
+ return 0;
+ }
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find));
+ if (search->search_page > search->start_page) {
+ pages_done = search->search_page - search->start_page + 1;
+ } else if (search->search_page == search->start_page) {
+ pages_done = n_pages;
+ } else {
+ pages_done = n_pages - search->start_page + search->search_page;
+ }
+
+ return pages_done / (double) n_pages;
+}
+
+static void
+pdf_document_find_cancel (EvDocumentFind *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ if (pdf_document->search) {
+ pdf_document_search_free (pdf_document->search);
+ pdf_document->search = NULL;
+ }
+}
+
+static void
+pdf_document_find_iface_init (EvDocumentFindIface *iface)
+{
+ iface->begin = pdf_document_find_begin;
+ iface->get_n_results = pdf_document_find_get_n_results;
+ iface->get_result = pdf_document_find_get_result;
+ iface->page_has_results = pdf_document_find_page_has_results;
+ iface->get_progress = pdf_document_find_get_progress;
+ iface->cancel = pdf_document_find_cancel;
+}
+
+static void
+pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename,
+ int first_page, int last_page)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+
+ pdf_document->ps_file = poppler_ps_file_new (pdf_document->document, filename,
+ first_page,
+ last_page - first_page + 1);
+}
+
+static void
+pdf_document_ps_exporter_do_page (EvPSExporter *exporter, int page)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PopplerPage *poppler_page;
+
+ g_return_if_fail (pdf_document->ps_file != NULL);
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ set_page_orientation (pdf_document, poppler_page);
+ poppler_page_render_to_ps (poppler_page, pdf_document->ps_file);
+ g_object_unref (poppler_page);
+}
+
+static void
+pdf_document_ps_exporter_end (EvPSExporter *exporter)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+
+ poppler_ps_file_free (pdf_document->ps_file);
+ pdf_document->ps_file = NULL;
+}
+
+static void
+pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface)
+{
+ iface->begin = pdf_document_ps_exporter_begin;
+ iface->do_page = pdf_document_ps_exporter_do_page;
+ iface->end = pdf_document_ps_exporter_end;
+}
+
+
+void
+pdf_selection_render_selection (EvSelection *selection,
+ EvRenderContext *rc,
+ GdkPixbuf **pixbuf,
+ EvRectangle *points,
+ EvRectangle *old_points)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ double width_points, height_points;
+ gint width, height;
+
+ pdf_document = PDF_DOCUMENT (selection);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ rc->page);
+ set_page_orientation (pdf_document, poppler_page);
+
+ poppler_page_get_size (poppler_page, &width_points, &height_points);
+ width = (int) ((width_points * rc->scale) + 0.5);
+ height = (int) ((height_points * rc->scale) + 0.5);
+
+ if (*pixbuf == NULL) {
+ * pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+ TRUE, 8,
+ width, height);
+ }
+
+ poppler_page_render_selection (poppler_page,
+ rc->scale, *pixbuf,
+ (PopplerRectangle *)points,
+ (PopplerRectangle *)old_points);
+ g_object_unref (poppler_page);
+
+}
+
+
+GdkRegion *
+pdf_selection_get_selection_region (EvSelection *selection,
+ EvRenderContext *rc,
+ EvRectangle *points)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GdkRegion *retval;
+
+ pdf_document = PDF_DOCUMENT (selection);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ rc->page);
+ set_page_orientation (pdf_document, poppler_page);
+
+ retval = poppler_page_get_selection_region (poppler_page, rc->scale, (PopplerRectangle *) points);
+ g_object_unref (poppler_page);
+
+ return retval;
+}
+
+GdkRegion *
+pdf_selection_get_selection_map (EvSelection *selection,
+ EvRenderContext *rc)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ PopplerRectangle points;
+ GdkRegion *retval;
+
+ pdf_document = PDF_DOCUMENT (selection);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ rc->page);
+ set_page_orientation (pdf_document, poppler_page);
+
+ points.x1 = 0.0;
+ points.y1 = 0.0;
+ poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
+ retval = poppler_page_get_selection_region (poppler_page, 1.0, &points);
+ g_object_unref (poppler_page);
+
+ return retval;
+}
+
+static void
+pdf_selection_iface_init (EvSelectionIface *iface)
+{
+ iface->render_selection = pdf_selection_render_selection;
+ iface->get_selection_region = pdf_selection_get_selection_region;
+ iface->get_selection_map = pdf_selection_get_selection_map;
+}
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff