+++ /dev/null
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
-/* pdfdocument.h: Implementation of EvDocument for PDF
- * Copyright (C) 2004, Red Hat, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <math.h>
-#include <string.h>
-#include <gtk/gtk.h>
-#include <poppler.h>
-#include <poppler-document.h>
-#include <poppler-page.h>
-#include <glib/gi18n.h>
-
-#include "ev-poppler.h"
-#include "ev-ps-exporter.h"
-#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;
- char *text;
- GList **pages;
- guint idle;
- int start_page;
- int search_page;
-} PdfDocumentSearch;
-
-struct _PdfDocumentClass
-{
- GObjectClass parent_class;
-};
-
-struct _PdfDocument
-{
- GObject parent_instance;
-
- PopplerDocument *document;
- PopplerPSFile *ps_file;
- gchar *password;
-
- PopplerFontInfo *font_info;
- PopplerFontsIter *fonts_iter;
- int fonts_scanned_pages;
-
- PdfDocumentSearch *search;
-};
-
-static void pdf_document_document_iface_init (EvDocumentIface *iface);
-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,
- {
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
- pdf_document_document_iface_init);
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
- pdf_document_security_iface_init);
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
- 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
-set_rc_data (PdfDocument *pdf_document,
- EvRenderContext *rc)
-{
- if (rc->data == NULL) {
- rc->data = poppler_document_get_page (pdf_document->document,
- rc->page);
- rc->destroy = g_object_unref;
- } else {
- g_assert (rc->page == poppler_page_get_index (POPPLER_PAGE (rc->data)));
- }
-}
-
-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
-pdf_document_class_init (PdfDocumentClass *klass)
-{
- GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
-
- g_object_class->dispose = pdf_document_dispose;
-}
-
-static void
-pdf_document_init (PdfDocument *pdf_document)
-{
- pdf_document->password = NULL;
-}
-
-static void
-convert_error (GError *poppler_error,
- GError **error)
-{
- if (poppler_error == NULL)
- return;
-
- if (poppler_error->domain == POPPLER_ERROR) {
- /* convert poppler errors into EvDocument errors */
- gint code = EV_DOCUMENT_ERROR_INVALID;
- if (poppler_error->code == POPPLER_ERROR_INVALID)
- code = EV_DOCUMENT_ERROR_INVALID;
- else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
- code = EV_DOCUMENT_ERROR_ENCRYPTED;
-
-
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- code,
- poppler_error->message,
- NULL);
- } else {
- g_propagate_error (error, poppler_error);
- }
-}
-
-
-/* EvDocument */
-static gboolean
-pdf_document_save (EvDocument *document,
- const char *uri,
- GError **error)
-{
- gboolean retval;
- GError *poppler_error = NULL;
-
- retval = poppler_document_save (PDF_DOCUMENT (document)->document,
- uri,
- &poppler_error);
- if (! retval)
- convert_error (poppler_error, error);
-
- return retval;
-}
-
-static gboolean
-pdf_document_load (EvDocument *document,
- const char *uri,
- GError **error)
-{
- GError *poppler_error = NULL;
- PdfDocument *pdf_document = PDF_DOCUMENT (document);
-
- pdf_document->document =
- poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
-
- if (pdf_document->document == NULL) {
- convert_error (poppler_error, error);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static int
-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,
- double *width,
- double *height)
-{
- PdfDocument *pdf_document = PDF_DOCUMENT (document);
- PopplerPage *poppler_page;
-
- poppler_page = poppler_document_get_page (pdf_document->document, page);
- poppler_page_get_size (poppler_page, width, height);
- g_object_unref (poppler_page);
-}
-
-static char *
-pdf_document_get_page_label (EvDocument *document,
- int page)
-{
- PopplerPage *poppler_page;
- char *label = NULL;
-
- poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
- page);
-
- g_object_get (G_OBJECT (poppler_page),
- "label", &label,
- NULL);
- g_object_unref (poppler_page);
-
- return label;
-}
-
-static GList *
-pdf_document_get_links (EvDocument *document,
- int page)
-{
- PdfDocument *pdf_document;
- PopplerPage *poppler_page;
- GList *retval = NULL;
- GList *mapping_list;
- GList *list;
- double height;
-
- pdf_document = PDF_DOCUMENT (document);
- poppler_page = poppler_document_get_page (pdf_document->document,
- page);
- mapping_list = poppler_page_get_link_mapping (poppler_page);
- poppler_page_get_size (poppler_page, NULL, &height);
-
- for (list = mapping_list; list; list = list->next) {
- PopplerLinkMapping *link_mapping;
- EvLinkMapping *ev_link_mapping;
-
- link_mapping = (PopplerLinkMapping *)list->data;
- ev_link_mapping = g_new (EvLinkMapping, 1);
- ev_link_mapping->link = ev_link_from_action (link_mapping->action);
- ev_link_mapping->x1 = link_mapping->area.x1;
- ev_link_mapping->x2 = link_mapping->area.x2;
- /* Invert this for X-style coordinates */
- ev_link_mapping->y1 = height - link_mapping->area.y2;
- ev_link_mapping->y2 = height - link_mapping->area.y1;
-
- retval = g_list_prepend (retval, ev_link_mapping);
- }
-
- poppler_page_free_link_mapping (mapping_list);
- g_object_unref (poppler_page);
-
- return g_list_reverse (retval);
-}
-
-
-static GdkPixbuf *
-pdf_document_render_pixbuf (EvDocument *document,
- EvRenderContext *rc)
-{
- PdfDocument *pdf_document;
- GdkPixbuf *pixbuf;
- double width_points, height_points;
- gint width, height;
-
- pdf_document = PDF_DOCUMENT (document);
-
- set_rc_data (pdf_document, rc);
- set_page_orientation (pdf_document, POPPLER_PAGE (rc->data), rc->rotation);
-
- poppler_page_get_size (POPPLER_PAGE (rc->data), &width_points, &height_points);
- 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,
- width, height);
-
- poppler_page_render_to_pixbuf (POPPLER_PAGE (rc->data),
- 0, 0,
- width, height,
- rc->scale,
- pixbuf);
-
-
- return pixbuf;
-}
-
-/* EvDocumentSecurity */
-
-static gboolean
-pdf_document_has_document_security (EvDocumentSecurity *document_security)
-{
- /* FIXME: do we really need to have this? */
- return FALSE;
-}
-
-static void
-pdf_document_set_password (EvDocumentSecurity *document_security,
- const char *password)
-{
- PdfDocument *document = PDF_DOCUMENT (document_security);
-
- if (document->password)
- g_free (document->password);
-
- document->password = g_strdup (password);
-}
-
-static gboolean
-pdf_document_can_get_text (EvDocument *document)
-{
- return TRUE;
-}
-
-static EvDocumentInfo *
-pdf_document_get_info (EvDocument *document)
-{
- EvDocumentInfo *info;
- PopplerPageLayout layout;
- PopplerPageMode mode;
- PopplerViewerPreferences view_prefs;
- PopplerPermissions permissions;
-
- info = g_new0 (EvDocumentInfo, 1);
-
- info->fields_mask = EV_DOCUMENT_INFO_TITLE |
- EV_DOCUMENT_INFO_FORMAT |
- EV_DOCUMENT_INFO_AUTHOR |
- EV_DOCUMENT_INFO_SUBJECT |
- EV_DOCUMENT_INFO_KEYWORDS |
- EV_DOCUMENT_INFO_LAYOUT |
- EV_DOCUMENT_INFO_START_MODE |
- EV_DOCUMENT_INFO_PERMISSIONS |
- EV_DOCUMENT_INFO_UI_HINTS |
- EV_DOCUMENT_INFO_CREATOR |
- EV_DOCUMENT_INFO_PRODUCER |
- EV_DOCUMENT_INFO_CREATION_DATE |
- EV_DOCUMENT_INFO_MOD_DATE |
- EV_DOCUMENT_INFO_LINEARIZED |
- EV_DOCUMENT_INFO_N_PAGES |
- EV_DOCUMENT_INFO_SECURITY;
-
-
- g_object_get (PDF_DOCUMENT (document)->document,
- "title", &(info->title),
- "format", &(info->format),
- "author", &(info->author),
- "subject", &(info->subject),
- "keywords", &(info->keywords),
- "page-mode", &mode,
- "page-layout", &layout,
- "viewer-preferences", &view_prefs,
- "permissions", &permissions,
- "creator", &(info->creator),
- "producer", &(info->producer),
- "creation-date", &(info->creation_date),
- "mod-date", &(info->modified_date),
- "linearized", &(info->linearized),
- NULL);
-
- switch (layout) {
- case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
- info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
- break;
- case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
- info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
- break;
- case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
- info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
- break;
- case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
- info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
- case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
- info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
- break;
- case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
- info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
- break;
- default:
- break;
- }
-
- switch (mode) {
- case POPPLER_PAGE_MODE_NONE:
- info->mode = EV_DOCUMENT_MODE_NONE;
- break;
- case POPPLER_PAGE_MODE_USE_THUMBS:
- info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
- break;
- case POPPLER_PAGE_MODE_USE_OC:
- info->mode = EV_DOCUMENT_MODE_USE_OC;
- break;
- case POPPLER_PAGE_MODE_FULL_SCREEN:
- info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
- break;
- case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
- info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
- default:
- break;
- }
-
- info->ui_hints = 0;
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
- }
- if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
- info->ui_hints |= EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
- }
-
- info->permissions = 0;
- if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
- info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
- }
- if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
- info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
- }
- if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
- info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
- }
- if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
- info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
- }
-
- info->n_pages = ev_document_get_n_pages (document);
-
- if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
- /* translators: this is the document security state */
- info->security = g_strdup (_("Yes"));
- } else {
- /* translators: this is the document security state */
- info->security = g_strdup (_("No"));
- }
-
- return info;
-}
-
-static char *
-pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect)
-{
- PdfDocument *pdf_document = PDF_DOCUMENT (document);
- 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);
-
- poppler_page_get_size (poppler_page, NULL, &height);
- r.x1 = rect->x1;
- r.y1 = height - rect->y2;
- r.x2 = rect->x2;
- r.y2 = height - rect->y1;
-
- text = poppler_page_get_text (poppler_page, &r);
-
- g_object_unref (poppler_page);
-
- return text;
-}
-
-static void
-pdf_document_document_iface_init (EvDocumentIface *iface)
-{
- iface->save = pdf_document_save;
- iface->load = pdf_document_load;
- iface->get_n_pages = pdf_document_get_n_pages;
- iface->get_page_size = pdf_document_get_page_size;
- iface->get_page_label = pdf_document_get_page_label;
- iface->get_links = pdf_document_get_links;
- iface->render_pixbuf = pdf_document_render_pixbuf;
- iface->get_text = pdf_document_get_text;
- iface->can_get_text = pdf_document_can_get_text;
- iface->get_info = pdf_document_get_info;
-};
-
-static void
-pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
-{
- iface->has_document_security = pdf_document_has_document_security;
- 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 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)
-{
- PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
- PopplerFontsIter *iter = pdf_document->fonts_iter;
-
- g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
-
- 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);
-
- 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
-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)
-{
- PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
- PopplerIndexIter *iter;
-
- g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
-
- iter = poppler_index_iter_new (pdf_document->document);
- if (iter == NULL)
- return FALSE;
- poppler_index_iter_free (iter);
-
- return TRUE;
-}
-
-static EvLink *
-ev_link_from_action (PopplerAction *action)
-{
- EvLink *link;
- const char *title;
-
- title = action->any.title;
-
- if (action->type == POPPLER_ACTION_GOTO_DEST) {
- link = ev_link_new_page (title, action->goto_dest.dest->page_num - 1);
- } else if (action->type == POPPLER_ACTION_URI) {
- link = ev_link_new_external (title, action->uri.uri);
- } else {
- link = ev_link_new_title (title);
- }
-
- return link;
-}
-
-static void
-build_tree (PdfDocument *pdf_document,
- GtkTreeModel *model,
- GtkTreeIter *parent,
- PopplerIndexIter *iter)
-{
-
- do {
- GtkTreeIter tree_iter;
- 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);
- poppler_action_free (action);
-
- 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);
- poppler_index_iter_free (child);
- }
- } while (poppler_index_iter_next (iter));
-}
-
-
-static GtkTreeModel *
-pdf_document_links_get_links_model (EvDocumentLinks *document_links)
-{
- PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
- GtkTreeModel *model = NULL;
- PopplerIndexIter *iter;
-
- g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
-
- iter = poppler_index_iter_new (pdf_document->document);
- /* 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_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)
-{
- iface->has_document_links = pdf_document_links_has_document_links;
- iface->get_links_model = pdf_document_links_get_links_model;
-}
-
-static GdkPixbuf *
-make_thumbnail_for_size (PdfDocument *pdf_document,
- gint page,
- int rotation,
- gint size,
- gboolean border)
-{
- PopplerPage *poppler_page;
- GdkPixbuf *pixbuf, *sub_pixbuf;
- int width, height;
- 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);
- 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);
-
- 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);
- sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
- 0, 0,
- width, height);
- }
-
- poppler_page_render_to_pixbuf (poppler_page, 0, 0,
- width, height,
- 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)
-{
- PdfDocument *pdf_document;
- PopplerPage *poppler_page;
- GdkPixbuf *pixbuf;
-
- 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) {
- GdkPixbuf *real_pixbuf;
-
- real_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
- g_object_unref (pixbuf);
- pixbuf = real_pixbuf;
- }
- } else {
- /* There is no provided thumbnail. We need to make one. */
- pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size, border);
- }
-
- g_object_unref (poppler_page);
-
- return pixbuf;
-}
-
-static void
-pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
- gint page,
- gint size,
- gint *width,
- gint *height)
-{
- PdfDocument *pdf_document;
- PopplerPage *poppler_page;
- gint has_thumb;
-
- pdf_document = PDF_DOCUMENT (document_thumbnails);
- poppler_page = poppler_document_get_page (pdf_document->document, page);
-
- g_return_if_fail (width != NULL);
- g_return_if_fail (height != NULL);
- g_return_if_fail (poppler_page != NULL);
-
- has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
-
- if (!has_thumb) {
- double page_width, page_height;
-
- poppler_page_get_size (poppler_page, &page_width, &page_height);
- if (page_width > page_height) {
- *width = size;
- *height = (int) (size * page_height / page_width);
- } else {
- *width = (int) (size * page_width / page_height);
- *height = size;
- }
- }
- g_object_unref (poppler_page);
-}
-
-static void
-pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
-{
- iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
- iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
-}
-
-
-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);
-
- 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);
- 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,
- 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, 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, 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
-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,
- guint text,
- guint base)
-{
- PdfDocument *pdf_document;
- double width_points, height_points;
- gint width, height;
-
- pdf_document = PDF_DOCUMENT (selection);
- set_rc_data (pdf_document, rc);
-
- set_page_orientation (pdf_document, POPPLER_PAGE (rc->data), rc->rotation);
-
- poppler_page_get_size (POPPLER_PAGE (rc->data), &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->data),
- rc->scale, *pixbuf,
- (PopplerRectangle *)points,
- (PopplerRectangle *)old_points,
- text,
- base);
-}
-
-
-GdkRegion *
-pdf_selection_get_selection_region (EvSelection *selection,
- EvRenderContext *rc,
- EvRectangle *points)
-{
- PdfDocument *pdf_document;
- GdkRegion *retval;
-
- pdf_document = PDF_DOCUMENT (selection);
-
- set_rc_data (pdf_document, rc);
- set_page_orientation (pdf_document, POPPLER_PAGE (rc->data), rc->rotation);
-
- retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, rc->scale, (PopplerRectangle *) points);
-
- 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)
-{
- return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));
-}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff