X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=pdf%2Fev-poppler.cc;h=aa33b7f1ba39726b3522fcbd72da5ccbc8522254;hb=4c532d11ea519f0e17242a00e1bfb014cfbf4c51;hp=7f2330da8755974adfbced7f3efcb1248ee4ecd0;hpb=dbbd21a4d621a47629ac03ffc71651172f574138;p=evince.git diff --git a/pdf/ev-poppler.cc b/pdf/ev-poppler.cc index 7f2330da..aa33b7f1 100644 --- a/pdf/ev-poppler.cc +++ b/pdf/ev-poppler.cc @@ -30,8 +30,10 @@ #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-document-links.h" +#include "ev-document-fonts.h" #include "ev-document-security.h" #include "ev-document-thumbnails.h" +#include "ev-selection.h" typedef struct { PdfDocument *document; @@ -55,6 +57,13 @@ struct _PdfDocument PopplerPSFile *ps_file; gchar *password; + PopplerOrientation orientation; + gboolean orientation_set; + + PopplerFontInfo *font_info; + PopplerFontsIter *fonts_iter; + int fonts_scanned_pages; + PdfDocumentSearch *search; }; @@ -62,14 +71,19 @@ static void pdf_document_document_iface_init (EvDocumentIface static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface); static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface); +static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface); static void pdf_document_find_iface_init (EvDocumentFindIface *iface); static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); +static void pdf_selection_iface_init (EvSelectionIface *iface); static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, gint page, gint size, gint *width, gint *height); +static int pdf_document_get_n_pages (EvDocument *document); + static EvLink * ev_link_from_action (PopplerAction *action); +static void pdf_document_search_free (PdfDocumentSearch *search); G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, @@ -82,20 +96,56 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, pdf_document_document_thumbnails_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, pdf_document_document_links_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS, + pdf_document_document_fonts_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, pdf_document_find_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER, pdf_document_ps_exporter_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, + pdf_selection_iface_init); }); +static void +pdf_document_search_free (PdfDocumentSearch *search) +{ + PdfDocument *pdf_document = search->document; + int n_pages; + int i; + + if (search->idle != 0) + g_source_remove (search->idle); + + n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document)); + for (i = 0; i < n_pages; i++) { + g_list_foreach (search->pages[i], (GFunc) g_free, NULL); + g_list_free (search->pages[i]); + } + + g_free (search->text); +} + static void pdf_document_dispose (GObject *object) { PdfDocument *pdf_document = PDF_DOCUMENT(object); + if (pdf_document->search) { + pdf_document_search_free (pdf_document->search); + pdf_document->search = NULL; + } + if (pdf_document->document) { g_object_unref (pdf_document->document); } + + if (pdf_document->font_info) { + poppler_font_info_free (pdf_document->font_info); + } + + if (pdf_document->fonts_iter) { + poppler_fonts_iter_free (pdf_document->fonts_iter); + } } static void @@ -157,6 +207,24 @@ pdf_document_save (EvDocument *document, return retval; } +static PopplerOrientation +get_document_orientation (PdfDocument *pdf_document) +{ + PopplerOrientation orientation; + PopplerPage *page; + + /* Should prolly be smarter here and check more than first page */ + page = poppler_document_get_page (pdf_document->document, 0); + if (page) { + orientation = poppler_page_get_orientation (page); + } else { + orientation = POPPLER_ORIENTATION_PORTRAIT; + } + g_object_unref (page); + + return orientation; +} + static gboolean pdf_document_load (EvDocument *document, const char *uri, @@ -182,18 +250,28 @@ pdf_document_get_n_pages (EvDocument *document) return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document); } +/* FIXME This should not be necessary, poppler should rember it */ +static void +set_page_orientation (PdfDocument *pdf_document, PopplerPage *page) +{ + if (pdf_document->orientation_set) { + poppler_page_set_orientation (page, pdf_document->orientation); + } +} + static void pdf_document_get_page_size (EvDocument *document, int page, double *width, double *height) { + PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerPage *poppler_page; - poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document, - page); - + poppler_page = poppler_document_get_page (pdf_document->document, page); + set_page_orientation (pdf_document, poppler_page); poppler_page_get_size (poppler_page, width, height); + g_object_unref (poppler_page); } static char * @@ -209,6 +287,7 @@ pdf_document_get_page_label (EvDocument *document, g_object_get (G_OBJECT (poppler_page), "label", &label, NULL); + g_object_unref (poppler_page); return label; } @@ -247,6 +326,7 @@ pdf_document_get_links (EvDocument *document, } poppler_page_free_link_mapping (mapping_list); + g_object_unref (poppler_page); return g_list_reverse (retval); } @@ -254,8 +334,7 @@ pdf_document_get_links (EvDocument *document, static GdkPixbuf * pdf_document_render_pixbuf (EvDocument *document, - int page, - double scale) + EvRenderContext *rc) { PdfDocument *pdf_document; PopplerPage *poppler_page; @@ -265,11 +344,12 @@ pdf_document_render_pixbuf (EvDocument *document, pdf_document = PDF_DOCUMENT (document); poppler_page = poppler_document_get_page (pdf_document->document, - page); + rc->page); + set_page_orientation (pdf_document, poppler_page); poppler_page_get_size (poppler_page, &width_points, &height_points); - width = (int) ((width_points * scale) + 0.5); - height = (int) ((height_points * scale) + 0.5); + width = (int) ((width_points * rc->scale) + 0.5); + height = (int) ((height_points * rc->scale) + 0.5); pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, @@ -278,10 +358,11 @@ pdf_document_render_pixbuf (EvDocument *document, poppler_page_render_to_pixbuf (poppler_page, 0, 0, width, height, - scale, - pixbuf, - 0, 0); - + rc->scale, + pixbuf); + + g_object_unref (poppler_page); + return pixbuf; } @@ -456,8 +537,10 @@ pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect) PopplerPage *poppler_page; PopplerRectangle r; double height; + char *text; poppler_page = poppler_document_get_page (pdf_document->document, page); + set_page_orientation (pdf_document, poppler_page); g_return_val_if_fail (poppler_page != NULL, NULL); poppler_page_get_size (poppler_page, NULL, &height); @@ -466,7 +549,68 @@ pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect) r.x2 = rect->x2; r.y2 = height - rect->y1; - return poppler_page_get_text (poppler_page, &r); + text = poppler_page_get_text (poppler_page, &r); + + g_object_unref (poppler_page); + + return text; +} + +static EvOrientation +pdf_document_get_orientation (EvDocument *document) +{ + EvOrientation result; + PdfDocument *pdf_document = PDF_DOCUMENT (document); + + if (!pdf_document->orientation_set) { + pdf_document->orientation = get_document_orientation (pdf_document); + } + + switch (pdf_document->orientation) { + case POPPLER_ORIENTATION_PORTRAIT: + result = EV_ORIENTATION_PORTRAIT; + break; + case POPPLER_ORIENTATION_LANDSCAPE: + result = EV_ORIENTATION_LANDSCAPE; + break; + case POPPLER_ORIENTATION_UPSIDEDOWN: + result = EV_ORIENTATION_UPSIDEDOWN; + break; + case POPPLER_ORIENTATION_SEASCAPE: + result = EV_ORIENTATION_SEASCAPE; + break; + default: + g_assert_not_reached (); + } + + return result; +} + +static void +pdf_document_set_orientation (EvDocument *document, EvOrientation orientation) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + PopplerOrientation poppler_orientation; + + switch (orientation) { + case EV_ORIENTATION_PORTRAIT: + poppler_orientation = POPPLER_ORIENTATION_PORTRAIT; + break; + case EV_ORIENTATION_LANDSCAPE: + poppler_orientation = POPPLER_ORIENTATION_LANDSCAPE; + break; + case EV_ORIENTATION_UPSIDEDOWN: + poppler_orientation = POPPLER_ORIENTATION_UPSIDEDOWN; + break; + case EV_ORIENTATION_SEASCAPE: + poppler_orientation = POPPLER_ORIENTATION_SEASCAPE; + break; + default: + g_assert_not_reached (); + } + + pdf_document->orientation = poppler_orientation; + pdf_document->orientation_set = TRUE; } static void @@ -482,6 +626,8 @@ pdf_document_document_iface_init (EvDocumentIface *iface) iface->get_text = pdf_document_get_text; iface->can_get_text = pdf_document_can_get_text; iface->get_info = pdf_document_get_info; + iface->set_orientation = pdf_document_set_orientation; + iface->get_orientation = pdf_document_get_orientation; }; static void @@ -491,6 +637,82 @@ pdf_document_security_iface_init (EvDocumentSecurityIface *iface) iface->set_password = pdf_document_set_password; } +static gdouble +pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts); + int n_pages; + + n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document)); + + return (double)pdf_document->fonts_scanned_pages / (double)n_pages; +} + +static gboolean +pdf_document_fonts_scan (EvDocumentFonts *document_fonts, + int n_pages) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts); + gboolean result; + + g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE); + + if (pdf_document->font_info == NULL) { + pdf_document->font_info = poppler_font_info_new (pdf_document->document); + } + + if (pdf_document->fonts_iter) { + poppler_fonts_iter_free (pdf_document->fonts_iter); + } + + pdf_document->fonts_scanned_pages += n_pages; + + result = poppler_font_info_scan (pdf_document->font_info, n_pages, + &pdf_document->fonts_iter); + if (!result) { + pdf_document->fonts_scanned_pages = 0; + poppler_font_info_free (pdf_document->font_info); + pdf_document->font_info = NULL; + } + + return result; +} + +static void +pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts, + GtkTreeModel *model) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts); + PopplerFontsIter *iter = pdf_document->fonts_iter; + + g_return_if_fail (PDF_IS_DOCUMENT (document_fonts)); + + if (iter) { + do { + GtkTreeIter list_iter; + const char *name; + + name = poppler_fonts_iter_get_name (iter); + if (name == NULL) { + name = _("No name"); + } + + gtk_list_store_append (GTK_LIST_STORE (model), &list_iter); + gtk_list_store_set (GTK_LIST_STORE (model), &list_iter, + EV_DOCUMENT_FONTS_COLUMN_NAME, name, + -1); + } while (poppler_fonts_iter_next (iter)); + } +} + +static void +pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface) +{ + iface->fill_model = pdf_document_fonts_fill_model; + iface->scan = pdf_document_fonts_scan; + iface->get_progress = pdf_document_fonts_get_progress; +} + static gboolean pdf_document_links_has_document_links (EvDocumentLinks *document_links) { @@ -526,7 +748,6 @@ ev_link_from_action (PopplerAction *action) return link; } - static void build_tree (PdfDocument *pdf_document, GtkTreeModel *model, @@ -539,8 +760,10 @@ build_tree (PdfDocument *pdf_document, PopplerIndexIter *child; PopplerAction *action; EvLink *link; + gboolean expand; action = poppler_index_iter_get_action (iter); + expand = poppler_index_iter_is_open (iter); if (action) { gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent); link = ev_link_from_action (action); @@ -549,7 +772,9 @@ build_tree (PdfDocument *pdf_document, gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter, EV_DOCUMENT_LINKS_COLUMN_MARKUP, ev_link_get_title (link), EV_DOCUMENT_LINKS_COLUMN_LINK, link, + EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand, -1); + g_object_unref (link); child = poppler_index_iter_get_child (iter); if (child) build_tree (pdf_document, model, &tree_iter, child); @@ -569,20 +794,19 @@ pdf_document_links_get_links_model (EvDocumentLinks *document_links) g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL); iter = poppler_index_iter_new (pdf_document->document); - /* Create the model iff we have items*/ + /* Create the model if we have items*/ if (iter != NULL) { model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS, G_TYPE_STRING, - G_TYPE_POINTER); + G_TYPE_OBJECT, + G_TYPE_BOOLEAN); build_tree (pdf_document, model, NULL, iter); poppler_index_iter_free (iter); } - return model; } - static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) { @@ -590,7 +814,6 @@ pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) iface->get_links_model = pdf_document_links_get_links_model; } - static GdkPixbuf * make_thumbnail_for_size (PdfDocument *pdf_document, gint page, @@ -598,14 +821,13 @@ make_thumbnail_for_size (PdfDocument *pdf_document, gboolean border) { PopplerPage *poppler_page; - GdkPixbuf *pixbuf; + GdkPixbuf *pixbuf, *sub_pixbuf; int width, height; - int x_offset, y_offset; double scale; gdouble unscaled_width, unscaled_height; poppler_page = poppler_document_get_page (pdf_document->document, page); - + set_page_orientation (pdf_document, poppler_page); g_return_val_if_fail (poppler_page != NULL, NULL); pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page, size, &width, &height); @@ -614,21 +836,26 @@ make_thumbnail_for_size (PdfDocument *pdf_document, if (border) { pixbuf = ev_document_misc_get_thumbnail_frame (width, height, NULL); - x_offset = 1; - y_offset = 1; + + sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf, + 1, 1, + width - 1, height - 1); } else { pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height); gdk_pixbuf_fill (pixbuf, 0xffffffff); - x_offset = 0; - y_offset = 0; + sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf, + 0, 0, + width, height); } poppler_page_render_to_pixbuf (poppler_page, 0, 0, width, height, - scale, pixbuf, - x_offset, y_offset); + scale, sub_pixbuf); + + g_object_unref (G_OBJECT (sub_pixbuf)); + g_object_unref (poppler_page); return pixbuf; } @@ -645,9 +872,11 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails pdf_document = PDF_DOCUMENT (document_thumbnails); poppler_page = poppler_document_get_page (pdf_document->document, page); + set_page_orientation (pdf_document, poppler_page); g_return_val_if_fail (poppler_page != NULL, NULL); pixbuf = poppler_page_get_thumbnail (poppler_page); + if (pixbuf != NULL) { /* The document provides its own thumbnails. */ if (border) { @@ -661,6 +890,9 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails /* There is no provided thumbnail. We need to make one. */ pixbuf = make_thumbnail_for_size (pdf_document, page, size, border); } + + g_object_unref (poppler_page); + return pixbuf; } @@ -677,6 +909,7 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail pdf_document = PDF_DOCUMENT (document_thumbnails); poppler_page = poppler_document_get_page (pdf_document->document, page); + set_page_orientation (pdf_document, poppler_page); g_return_if_fail (width != NULL); g_return_if_fail (height != NULL); @@ -696,6 +929,7 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail *height = size; } } + g_object_unref (poppler_page); } static void @@ -717,11 +951,14 @@ pdf_document_search_idle_callback (void *data) 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); @@ -776,25 +1013,6 @@ pdf_document_search_new (PdfDocument *pdf_document, return search; } -static void -pdf_document_search_free (PdfDocumentSearch *search) -{ - PdfDocument *pdf_document = search->document; - int n_pages; - int i; - - if (search->idle != 0) - g_source_remove (search->idle); - - n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document)); - for (i = 0; i < n_pages; i++) { - g_list_foreach (search->pages[i], (GFunc) g_free, NULL); - g_list_free (search->pages[i]); - } - - g_free (search->text); -} - static void pdf_document_find_begin (EvDocumentFind *document, int page, @@ -853,12 +1071,14 @@ pdf_document_find_get_result (EvDocumentFind *document_find, 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; } @@ -939,7 +1159,9 @@ pdf_document_ps_exporter_do_page (EvPSExporter *exporter, int 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 @@ -959,6 +1181,94 @@ pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface) 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; +} + PdfDocument * pdf_document_new (void) {