X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pdf%2Fev-poppler.cc;h=07f1028c2be053e6c5c5b8828ea8507a18f29a10;hb=58bba62ea803b14377c5c5640a3ef46841a272e1;hp=1f1e4e506b5c46f27f0a35e61144f25a6fbb5b23;hpb=dbb1f2d648cdb8f6213cf42a52f466305f3964ed;p=evince.git diff --git a/pdf/ev-poppler.cc b/pdf/ev-poppler.cc index 1f1e4e50..07f1028c 100644 --- a/pdf/ev-poppler.cc +++ b/pdf/ev-poppler.cc @@ -33,6 +33,7 @@ #include "ev-document-fonts.h" #include "ev-document-security.h" #include "ev-document-thumbnails.h" +#include "ev-selection.h" typedef struct { PdfDocument *document; @@ -56,8 +57,6 @@ struct _PdfDocument PopplerPSFile *ps_file; gchar *password; - PopplerOrientation orientation; - PopplerFontInfo *font_info; PopplerFontsIter *fonts_iter; int fonts_scanned_pages; @@ -72,12 +71,16 @@ static void pdf_document_document_links_iface_init (EvDocumentLinksIface 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, @@ -96,13 +99,39 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, 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); } @@ -200,6 +229,30 @@ pdf_document_get_n_pages (EvDocument *document) return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document); } +static void +set_page_orientation (PdfDocument *pdf_document, PopplerPage *page, int rotation) +{ + PopplerOrientation orientation; + int r = rotation; + + orientation = poppler_page_get_orientation (page); + + while (r > 0) { + if (orientation == POPPLER_ORIENTATION_PORTRAIT) { + orientation = POPPLER_ORIENTATION_LANDSCAPE; + } else if (orientation == POPPLER_ORIENTATION_LANDSCAPE) { + orientation = POPPLER_ORIENTATION_UPSIDEDOWN; + } else if (orientation == POPPLER_ORIENTATION_UPSIDEDOWN) { + orientation = POPPLER_ORIENTATION_SEASCAPE; + } else { + orientation = POPPLER_ORIENTATION_PORTRAIT; + } + r -= 90; + } + + poppler_page_set_orientation (page, orientation); +} + static void pdf_document_get_page_size (EvDocument *document, int page, @@ -210,8 +263,8 @@ pdf_document_get_page_size (EvDocument *document, PopplerPage *poppler_page; poppler_page = poppler_document_get_page (pdf_document->document, page); - poppler_page_set_orientation (poppler_page, pdf_document->orientation); poppler_page_get_size (poppler_page, width, height); + g_object_unref (poppler_page); } static char * @@ -227,6 +280,7 @@ pdf_document_get_page_label (EvDocument *document, g_object_get (G_OBJECT (poppler_page), "label", &label, NULL); + g_object_unref (poppler_page); return label; } @@ -265,6 +319,7 @@ pdf_document_get_links (EvDocument *document, } poppler_page_free_link_mapping (mapping_list); + g_object_unref (poppler_page); return g_list_reverse (retval); } @@ -272,8 +327,7 @@ 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; @@ -283,12 +337,12 @@ pdf_document_render_pixbuf (EvDocument *document, pdf_document = PDF_DOCUMENT (document); poppler_page = poppler_document_get_page (pdf_document->document, - page); - poppler_page_set_orientation (poppler_page, pdf_document->orientation); + rc->page); + set_page_orientation (pdf_document, poppler_page, rc->rotation); 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, @@ -297,10 +351,11 @@ 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; } @@ -475,6 +530,7 @@ 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); g_return_val_if_fail (poppler_page != NULL, NULL); @@ -485,34 +541,11 @@ 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); -} - -static void -pdf_document_set_orientation (EvDocument *document, EvOrientation orientation) -{ - PdfDocument *pdf_document = PDF_DOCUMENT (document); - PopplerOrientation poppler_orientation; + text = poppler_page_get_text (poppler_page, &r); - switch (orientation) { - case EV_ORIENTATION_DOCUMENT: - poppler_orientation = POPPLER_ORIENTATION_DOCUMENT; - break; - 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; - } + g_object_unref (poppler_page); - pdf_document->orientation = poppler_orientation; + return text; } static void @@ -528,7 +561,6 @@ 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; }; static void @@ -579,6 +611,30 @@ pdf_document_fonts_scan (EvDocumentFonts *document_fonts, return result; } +static const char * +font_type_to_string (PopplerFontType type) +{ + switch (type) + { + case POPPLER_FONT_TYPE_TYPE1: + return _("Type 1"); + case POPPLER_FONT_TYPE_TYPE1C: + return _("Type 1C"); + case POPPLER_FONT_TYPE_TYPE3: + return _("Type 3"); + case POPPLER_FONT_TYPE_TRUETYPE: + return _("TrueType"); + case POPPLER_FONT_TYPE_CID_TYPE0: + return _("Type 1 (CID)"); + case POPPLER_FONT_TYPE_CID_TYPE0C: + return _("Type 1C (CID)"); + case POPPLER_FONT_TYPE_CID_TYPE2: + return _("TrueType (CID)"); + default: + return _("Unknown font type"); + } +} + static void pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts, GtkTreeModel *model) @@ -588,19 +644,44 @@ pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts, g_return_if_fail (PDF_IS_DOCUMENT (document_fonts)); - if (iter) { - do { - GtkTreeIter list_iter; - PopplerIndexIter *child; - const char *name; + if (!iter) + return; + + do { + GtkTreeIter list_iter; + const char *name; + const char *type; + const char *embedded; + char *details; - name = poppler_fonts_iter_get_name (iter); - 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)); - } + name = poppler_fonts_iter_get_name (iter); + + if (name == NULL) { + name = _("No name"); + } + + type = font_type_to_string ( + poppler_fonts_iter_get_font_type (iter)); + + if (poppler_fonts_iter_is_embedded (iter)) { + if (poppler_fonts_iter_is_subset (iter)) + embedded = _("Embedded subset"); + else + embedded = _("Embedded"); + } else { + embedded = _("Not embedded"); + } + + details = g_markup_printf_escaped ("%s\n%s", type, embedded); + + 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, + EV_DOCUMENT_FONTS_COLUMN_DETAILS, details, + -1); + + g_free (details); + } while (poppler_fonts_iter_next (iter)); } static void @@ -672,6 +753,7 @@ build_tree (PdfDocument *pdf_document, 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); @@ -695,7 +777,7 @@ pdf_document_links_get_links_model (EvDocumentLinks *document_links) 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); @@ -712,49 +794,56 @@ pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) } static GdkPixbuf * -make_thumbnail_for_size (PdfDocument *pdf_document, - gint page, - gint size, - gboolean border) +make_thumbnail_for_size (PdfDocument *pdf_document, + gint page, + int rotation, + gint size, + 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, rotation); g_return_val_if_fail (poppler_page != NULL, NULL); - pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page, size, &width, &height); + pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page, + size, &width, &height); poppler_page_get_size (poppler_page, &unscaled_width, &unscaled_height); scale = width / unscaled_width; 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; } static GdkPixbuf * pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails, gint page, + gint rotation, gint size, gboolean border) { @@ -765,9 +854,11 @@ 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, rotation); 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) { @@ -779,8 +870,11 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails } } else { /* There is no provided thumbnail. We need to make one. */ - pixbuf = make_thumbnail_for_size (pdf_document, page, size, border); + pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size, border); } + + g_object_unref (poppler_page); + return pixbuf; } @@ -816,6 +910,7 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail *height = size; } } + g_object_unref (poppler_page); } static void @@ -842,6 +937,8 @@ pdf_document_search_idle_callback (void *data) 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); @@ -896,25 +993,6 @@ 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, @@ -978,7 +1056,8 @@ pdf_document_find_get_result (EvDocumentFind *document_find, rectangle->y1 = height - r->y2; rectangle->x2 = r->x2; rectangle->y2 = height - r->y1; - + g_object_unref (poppler_page); + return TRUE; } @@ -1041,25 +1120,30 @@ pdf_document_find_iface_init (EvDocumentFindIface *iface) static void pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename, - int first_page, int last_page) + int first_page, int last_page, + double width, double height, gboolean duplex) { 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); + poppler_ps_file_set_paper_size (pdf_document->ps_file, width, height); + poppler_ps_file_set_duplex (pdf_document->ps_file, duplex); } static void -pdf_document_ps_exporter_do_page (EvPSExporter *exporter, int page) +pdf_document_ps_exporter_do_page (EvPSExporter *exporter, EvRenderContext *rc) { 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); + poppler_page = poppler_document_get_page (pdf_document->document, rc->page); + set_page_orientation (pdf_document, poppler_page, rc->rotation); poppler_page_render_to_ps (poppler_page, pdf_document->ps_file); + g_object_unref (poppler_page); } static void @@ -1079,6 +1163,94 @@ 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, rc->rotation); + + 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, rc->rotation); + + 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, rc->rotation); + + 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) {