Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/backend/pdf/ev-poppler.cc
diff options
context:
space:
mode:
Diffstat (limited to 'backend/pdf/ev-poppler.cc')
-rw-r--r--backend/pdf/ev-poppler.cc1727
1 files changed, 1727 insertions, 0 deletions
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
new file mode 100644
index 0000000..2068998
--- /dev/null
+++ b/backend/pdf/ev-poppler.cc
@@ -0,0 +1,1727 @@
+/* -*- 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 "config.h"
+
+#include <math.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <poppler.h>
+#include <poppler-document.h>
+#include <poppler-page.h>
+#ifdef HAVE_CAIRO_PDF
+#include <cairo-pdf.h>
+#endif
+#include <glib/gi18n.h>
+
+#include "ev-poppler.h"
+#include "ev-file-exporter.h"
+#include "ev-document-find.h"
+#include "ev-document-misc.h"
+#include "ev-document-links.h"
+#include "ev-document-images.h"
+#include "ev-document-fonts.h"
+#include "ev-document-security.h"
+#include "ev-document-thumbnails.h"
+#include "ev-document-transition.h"
+#include "ev-selection.h"
+#include "ev-attachment.h"
+#include "ev-image.h"
+
+typedef struct {
+ PdfDocument *document;
+ char *text;
+ GList **pages;
+ guint idle;
+ int start_page;
+ int search_page;
+} PdfDocumentSearch;
+
+typedef struct {
+ EvFileExporterFormat format;
+ PopplerPSFile *ps_file;
+#ifdef HAVE_CAIRO_PDF
+ cairo_t *pdf_cairo;
+#endif
+} PdfPrintContext;
+
+struct _PdfDocumentClass
+{
+ GObjectClass parent_class;
+};
+
+struct _PdfDocument
+{
+ GObject parent_instance;
+
+ PopplerDocument *document;
+ gchar *password;
+
+ PopplerFontInfo *font_info;
+ PopplerFontsIter *fonts_iter;
+ int fonts_scanned_pages;
+
+ PdfDocumentSearch *search;
+ PdfPrintContext *print_ctx;
+};
+
+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_images_iface_init (EvDocumentImagesIface *iface);
+static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
+static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
+static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
+static void pdf_selection_iface_init (EvSelectionIface *iface);
+static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *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 EvLinkDest *ev_link_dest_from_dest (PdfDocument *pdf_document,
+ PopplerDest *dest);
+static EvLink *ev_link_from_action (PdfDocument *pdf_document,
+ PopplerAction *action);
+static void pdf_document_search_free (PdfDocumentSearch *search);
+static void pdf_print_context_free (PdfPrintContext *ctx);
+
+
+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_IMAGES,
+ pdf_document_document_images_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_FILE_EXPORTER,
+ pdf_document_file_exporter_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
+ pdf_selection_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
+ pdf_document_page_transition_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->pages);
+
+ g_free (search->text);
+ g_free (search);
+}
+
+static void
+pdf_document_dispose (GObject *object)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT(object);
+
+ if (pdf_document->print_ctx) {
+ pdf_print_context_free (pdf_document->print_ctx);
+ pdf_document->print_ctx = NULL;
+ }
+
+ 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
+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 gboolean
+pdf_document_has_attachments (EvDocument *document)
+{
+ PdfDocument *pdf_document;
+
+ pdf_document = PDF_DOCUMENT (document);
+
+ return poppler_document_has_attachments (pdf_document->document);
+}
+
+struct SaveToBufferData {
+ gchar *buffer;
+ gsize len, max;
+};
+
+static gboolean
+attachment_save_to_buffer_callback (const gchar *buf,
+ gsize count,
+ gpointer user_data,
+ GError **error)
+{
+ struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
+ gchar *new_buffer;
+ gsize new_max;
+
+ if (sdata->len + count > sdata->max) {
+ new_max = MAX (sdata->max * 2, sdata->len + count);
+ new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
+
+ sdata->buffer = new_buffer;
+ sdata->max = new_max;
+ }
+
+ memcpy (sdata->buffer + sdata->len, buf, count);
+ sdata->len += count;
+
+ return TRUE;
+}
+
+static gboolean
+attachment_save_to_buffer (PopplerAttachment *attachment,
+ gchar **buffer,
+ gsize *buffer_size,
+ GError **error)
+{
+ static const gint initial_max = 1024;
+ struct SaveToBufferData sdata;
+
+ *buffer = NULL;
+ *buffer_size = 0;
+
+ sdata.buffer = (gchar *) g_malloc (initial_max);
+ sdata.max = initial_max;
+ sdata.len = 0;
+
+ if (! poppler_attachment_save_to_callback (attachment,
+ attachment_save_to_buffer_callback,
+ &sdata,
+ error)) {
+ g_free (sdata.buffer);
+ return FALSE;
+ }
+
+ *buffer = sdata.buffer;
+ *buffer_size = sdata.len;
+
+ return TRUE;
+}
+
+static GList *
+pdf_document_get_attachments (EvDocument *document)
+{
+ PdfDocument *pdf_document;
+ GList *attachments;
+ GList *list;
+ GList *retval = NULL;
+
+ pdf_document = PDF_DOCUMENT (document);
+
+ if (!pdf_document_has_attachments (document))
+ return NULL;
+
+ attachments = poppler_document_get_attachments (pdf_document->document);
+
+ for (list = attachments; list; list = list->next) {
+ PopplerAttachment *attachment;
+ EvAttachment *ev_attachment;
+ gchar *data = NULL;
+ gsize size;
+ GError *error = NULL;
+
+ attachment = (PopplerAttachment *) list->data;
+
+ if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
+ ev_attachment = ev_attachment_new (attachment->name,
+ attachment->description,
+ attachment->mtime,
+ attachment->ctime,
+ size, data);
+
+ retval = g_list_prepend (retval, ev_attachment);
+ } else {
+ if (error) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+
+ g_free (data);
+ }
+ }
+
+ g_object_unref (attachment);
+ }
+
+ 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);
+
+ poppler_page_get_size (POPPLER_PAGE (rc->data), &width_points, &height_points);
+
+ if (rc->rotation == 90 || rc->rotation == 270) {
+ width = (int) ((height_points * rc->scale) + 0.5);
+ height = (int) ((width_points * rc->scale) + 0.5);
+ } else {
+ 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,
+ rc->rotation,
+ 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 |
+ EV_DOCUMENT_INFO_PAPER_SIZE;
+
+ 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);
+
+ pdf_document_get_page_size(document, 0,
+ &(info->paper_width),
+ &(info->paper_height));
+
+ // Convert to mm.
+ info->paper_width = info->paper_width / 72.0f * 25.4f;
+ info->paper_height = info->paper_height / 72.0f * 25.4f;
+
+ 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->has_attachments = pdf_document_has_attachments;
+ iface->get_attachments = pdf_document_get_attachments;
+ 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 EvLinkDest *
+ev_link_dest_from_dest (PdfDocument *pdf_document,
+ PopplerDest *dest)
+{
+ EvLinkDest *ev_dest = NULL;
+ const char *unimplemented_dest = NULL;
+
+ g_assert (dest != NULL);
+
+ switch (dest->type) {
+ case POPPLER_DEST_XYZ: {
+ PopplerPage *poppler_page;
+ double height;
+
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ MAX (0, dest->page_num - 1));
+ poppler_page_get_size (poppler_page, NULL, &height);
+ ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
+ dest->left,
+ height - dest->top,
+ dest->zoom);
+ g_object_unref (poppler_page);
+ }
+ break;
+ case POPPLER_DEST_FIT:
+ ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
+ break;
+ case POPPLER_DEST_FITH: {
+ PopplerPage *poppler_page;
+ double height;
+
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ MAX (0, dest->page_num - 1));
+ poppler_page_get_size (poppler_page, NULL, &height);
+ ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
+ height - dest->top);
+ g_object_unref (poppler_page);
+ }
+ break;
+ case POPPLER_DEST_FITV:
+ ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
+ dest->left);
+ break;
+ case POPPLER_DEST_FITR: {
+ PopplerPage *poppler_page;
+ double height;
+
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ MAX (0, dest->page_num - 1));
+ poppler_page_get_size (poppler_page, NULL, &height);
+ ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
+ dest->left,
+ height - dest->bottom,
+ dest->right,
+ height - dest->top);
+ g_object_unref (poppler_page);
+ }
+ break;
+ case POPPLER_DEST_FITB:
+ unimplemented_dest = "POPPLER_DEST_FITB";
+ break;
+ case POPPLER_DEST_FITBH:
+ unimplemented_dest = "POPPLER_DEST_FITBH";
+ break;
+ case POPPLER_DEST_FITBV:
+ unimplemented_dest = "POPPLER_DEST_FITBV";
+ break;
+ case POPPLER_DEST_NAMED:
+ ev_dest = ev_link_dest_new_named (dest->named_dest);
+ break;
+ case POPPLER_DEST_UNKNOWN:
+ unimplemented_dest = "POPPLER_DEST_UNKNOWN";
+ break;
+ }
+
+ if (unimplemented_dest) {
+ g_warning ("Unimplemented named action: %s, please post a "
+ "bug report in Evince bugzilla "
+ "(http://bugzilla.gnome.org) with a testcase.",
+ unimplemented_dest);
+ }
+
+ if (!ev_dest)
+ ev_dest = ev_link_dest_new_page (dest->page_num - 1);
+
+ return ev_dest;
+}
+
+static EvLink *
+ev_link_from_action (PdfDocument *pdf_document,
+ PopplerAction *action)
+{
+ EvLink *link = NULL;
+ EvLinkAction *ev_action = NULL;
+ const char *unimplemented_action = NULL;
+
+ switch (action->type) {
+ case POPPLER_ACTION_GOTO_DEST: {
+ EvLinkDest *dest;
+
+ dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
+ ev_action = ev_link_action_new_dest (dest);
+ }
+ break;
+ case POPPLER_ACTION_GOTO_REMOTE: {
+ EvLinkDest *dest;
+
+ dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
+ ev_action = ev_link_action_new_remote (dest,
+ action->goto_remote.file_name);
+
+ }
+ break;
+ case POPPLER_ACTION_LAUNCH:
+ ev_action = ev_link_action_new_launch (action->launch.file_name,
+ action->launch.params);
+ break;
+ case POPPLER_ACTION_URI:
+ ev_action = ev_link_action_new_external_uri (action->uri.uri);
+ break;
+ case POPPLER_ACTION_NAMED:
+ ev_action = ev_link_action_new_named (action->named.named_dest);
+ break;
+ case POPPLER_ACTION_MOVIE:
+ unimplemented_action = "POPPLER_ACTION_MOVIE";
+ break;
+ case POPPLER_ACTION_UNKNOWN:
+ unimplemented_action = "POPPLER_ACTION_UNKNOWN";
+ }
+
+ if (unimplemented_action) {
+ g_warning ("Unimplemented action: %s, please post a bug report with a testcase.",
+ unimplemented_action);
+ }
+
+ link = ev_link_new (action->any.title, ev_action);
+
+ 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 = NULL;
+ gboolean expand;
+ char *title_markup;
+
+ action = poppler_index_iter_get_action (iter);
+ expand = poppler_index_iter_is_open (iter);
+
+ if (!action)
+ continue;
+
+ switch (action->type) {
+ case POPPLER_ACTION_GOTO_DEST: {
+ /* For bookmarks, solve named destinations */
+ if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
+ PopplerDest *dest;
+ EvLinkDest *ev_dest = NULL;
+ EvLinkAction *ev_action;
+
+ dest = poppler_document_find_dest (pdf_document->document,
+ action->goto_dest.dest->named_dest);
+ if (!dest) {
+ link = ev_link_from_action (pdf_document, action);
+ break;
+ }
+
+ ev_dest = ev_link_dest_from_dest (pdf_document, dest);
+ poppler_dest_free (dest);
+
+ ev_action = ev_link_action_new_dest (ev_dest);
+ link = ev_link_new (action->any.title, ev_action);
+ } else {
+ link = ev_link_from_action (pdf_document, action);
+ }
+ }
+ break;
+ default:
+ link = ev_link_from_action (pdf_document, action);
+ break;
+ }
+
+ if (!link) {
+ poppler_action_free (action);
+ continue;
+ }
+
+ gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
+ title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
+
+ gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
+ EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
+ EV_DOCUMENT_LINKS_COLUMN_LINK, link,
+ EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
+ -1);
+
+ g_free (title_markup);
+ 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);
+ poppler_action_free (action);
+
+ } 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 GList *
+pdf_document_links_get_links (EvDocumentLinks *document_links,
+ gint page)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *retval = NULL;
+ GList *mapping_list;
+ GList *list;
+ double height;
+
+ pdf_document = PDF_DOCUMENT (document_links);
+ 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 (pdf_document,
+ 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 EvLinkDest *
+pdf_document_links_find_link_dest (EvDocumentLinks *document_links,
+ const gchar *link_name)
+{
+ PdfDocument *pdf_document;
+ PopplerDest *dest;
+ EvLinkDest *ev_dest = NULL;
+
+ pdf_document = PDF_DOCUMENT (document_links);
+ dest = poppler_document_find_dest (pdf_document->document,
+ link_name);
+ if (dest) {
+ ev_dest = ev_link_dest_from_dest (pdf_document, dest);
+ poppler_dest_free (dest);
+ }
+
+ return ev_dest;
+}
+
+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;
+ iface->get_links = pdf_document_links_get_links;
+ iface->find_link_dest = pdf_document_links_find_link_dest;
+}
+
+static GList *
+pdf_document_images_get_images (EvDocumentImages *document_images,
+ gint page)
+{
+ GList *retval = NULL;
+#ifdef HAVE_POPPLER_PAGE_GET_IMAGE_MAPPING
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *mapping_list;
+ GList *list;
+
+ pdf_document = PDF_DOCUMENT (document_images);
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ mapping_list = poppler_page_get_image_mapping (poppler_page);
+
+ for (list = mapping_list; list; list = list->next) {
+ PopplerImageMapping *image_mapping;
+ EvImageMapping *ev_image_mapping;
+
+ image_mapping = (PopplerImageMapping *)list->data;
+
+ ev_image_mapping = g_new (EvImageMapping, 1);
+
+ ev_image_mapping->image = ev_image_new_from_pixbuf (image_mapping->image);
+ ev_image_mapping->x1 = image_mapping->area.x1;
+ ev_image_mapping->x2 = image_mapping->area.x2;
+ ev_image_mapping->y1 = image_mapping->area.y1;
+ ev_image_mapping->y2 = image_mapping->area.y2;
+
+ retval = g_list_prepend (retval, ev_image_mapping);
+ }
+
+ poppler_page_free_image_mapping (mapping_list);
+ g_object_unref (poppler_page);
+#endif /* HAVE_POPPLER_PAGE_GET_IMAGE_MAPPING */
+ return retval;
+}
+
+static void
+pdf_document_document_images_iface_init (EvDocumentImagesIface *iface)
+{
+ iface->get_images = pdf_document_images_get_images;
+}
+
+static GdkPixbuf *
+make_thumbnail_for_size (PdfDocument *pdf_document,
+ gint page,
+ int rotation,
+ gint size)
+{
+ PopplerPage *poppler_page;
+ GdkPixbuf *pixbuf;
+ int width, height;
+ double scale;
+ gdouble unscaled_width, unscaled_height;
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ 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;
+
+ /* rotate */
+ if (rotation == 90 || rotation == 270) {
+ int temp;
+ temp = width;
+ width = height;
+ height = temp;
+ }
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
+ width, height);
+ gdk_pixbuf_fill (pixbuf, 0xffffffff);
+
+ ev_document_fc_mutex_lock ();
+ poppler_page_render_to_pixbuf (poppler_page, 0, 0,
+ width, height,
+ scale, rotation, pixbuf);
+ ev_document_fc_mutex_unlock ();
+
+
+ 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;
+ GdkPixbuf *border_pixbuf;
+
+ pdf_document = PDF_DOCUMENT (document_thumbnails);
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ g_return_val_if_fail (poppler_page != NULL, NULL);
+
+ pixbuf = poppler_page_get_thumbnail (poppler_page);
+
+ if (pixbuf == NULL) {
+ /* There is no provided thumbnail. We need to make one. */
+ pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size);
+ }
+
+ if (border) {
+ border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, rotation, pixbuf);
+ g_object_unref (pixbuf);
+ pixbuf = border_pixbuf;
+ }
+
+ 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);
+ *width = size;
+ *height = (int) (size * page_height / page_width);
+ }
+ 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);
+ 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);
+}
+
+static 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;
+ }
+}
+
+static 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;
+}
+
+static int
+pdf_document_find_page_has_results (EvDocumentFind *document_find,
+ int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ return search && search->pages[page] != NULL;
+}
+
+static 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 const gboolean supported_formats[] = {
+ TRUE, /* EV_FILE_FORMAT_PS */
+#ifdef HAVE_CAIRO_PDF
+#ifdef HAVE_POPPLER_PAGE_RENDER
+ TRUE, /* EV_FILE_FORMAT_PDF */
+#else
+ FALSE, /* EV_FILE_FORMAT_PDF */
+#endif
+#endif
+};
+
+static void
+pdf_print_context_free (PdfPrintContext *ctx)
+{
+ if (!ctx)
+ return;
+
+ if (ctx->ps_file) {
+ poppler_ps_file_free (ctx->ps_file);
+ ctx->ps_file = NULL;
+ }
+#ifdef HAVE_CAIRO_PDF
+ if (ctx->pdf_cairo) {
+ cairo_destroy (ctx->pdf_cairo);
+ ctx->pdf_cairo = NULL;
+ }
+#endif
+ g_free (ctx);
+}
+
+static gboolean
+pdf_document_file_exporter_format_supported (EvFileExporter *exporter,
+ EvFileExporterFormat format)
+{
+ return supported_formats[format];
+}
+
+static void
+pdf_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterFormat format,
+ const char *filename,
+ int first_page,
+ int last_page,
+ double width,
+ double height,
+ gboolean duplex)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PdfPrintContext *ctx;
+
+ if (pdf_document->print_ctx)
+ pdf_print_context_free (pdf_document->print_ctx);
+ pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
+ ctx = pdf_document->print_ctx;
+ ctx->format = format;
+
+ switch (format) {
+ case EV_FILE_FORMAT_PS:
+ ctx->ps_file = poppler_ps_file_new (pdf_document->document,
+ filename, first_page,
+ last_page - first_page + 1);
+ poppler_ps_file_set_paper_size (ctx->ps_file, width, height);
+ poppler_ps_file_set_duplex (ctx->ps_file, duplex);
+
+ break;
+ case EV_FILE_FORMAT_PDF: {
+#ifdef HAVE_CAIRO_PDF
+ cairo_surface_t *surface;
+
+ surface = cairo_pdf_surface_create (filename, width, height);
+ ctx->pdf_cairo = cairo_create (surface);
+ cairo_surface_destroy (surface);
+#endif
+ }
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static void
+pdf_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PdfPrintContext *ctx = pdf_document->print_ctx;
+ PopplerPage *poppler_page;
+
+ g_return_if_fail (pdf_document->print_ctx != NULL);
+
+ poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
+
+ switch (ctx->format) {
+ case EV_FILE_FORMAT_PS:
+ poppler_page_render_to_ps (poppler_page, ctx->ps_file);
+ break;
+ case EV_FILE_FORMAT_PDF:
+#ifdef HAVE_POPPLER_PAGE_RENDER
+ poppler_page_render (poppler_page, ctx->pdf_cairo);
+#endif
+#ifdef HAVE_CAIRO_PDF
+ cairo_show_page (ctx->pdf_cairo);
+#endif
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ g_object_unref (poppler_page);
+}
+
+static void
+pdf_document_file_exporter_end (EvFileExporter *exporter)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+
+ pdf_print_context_free (pdf_document->print_ctx);
+ pdf_document->print_ctx = NULL;
+}
+
+static void
+pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
+{
+ iface->format_supported = pdf_document_file_exporter_format_supported;
+ iface->begin = pdf_document_file_exporter_begin;
+ iface->do_page = pdf_document_file_exporter_do_page;
+ iface->end = pdf_document_file_exporter_end;
+}
+
+static void
+pdf_selection_render_selection (EvSelection *selection,
+ EvRenderContext *rc,
+ GdkPixbuf **pixbuf,
+ EvRectangle *points,
+ EvRectangle *old_points,
+ GdkColor *text,
+ GdkColor *base)
+{
+ PdfDocument *pdf_document;
+ double width_points, height_points;
+ gint width, height;
+
+ pdf_document = PDF_DOCUMENT (selection);
+ set_rc_data (pdf_document, rc);
+
+ 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, rc->rotation, *pixbuf,
+ (PopplerRectangle *)points,
+ (PopplerRectangle *)old_points,
+ text,
+ base);
+}
+
+
+static 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);
+
+ retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, rc->scale, (PopplerRectangle *) points);
+
+ return retval;
+}
+
+static 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);
+
+ 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;
+}
+
+/* Page Transitions */
+static gdouble
+pdf_document_get_page_duration (EvDocumentTransition *trans,
+ gint page)
+{
+#ifdef HAVE_POPPLER_PAGE_GET_DURATION
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ gdouble duration = -1;
+
+ pdf_document = PDF_DOCUMENT (trans);
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ if (!poppler_page)
+ return -1;
+
+ duration = poppler_page_get_duration (poppler_page);
+ g_object_unref (poppler_page);
+
+ return duration;
+#else
+ return -1;
+#endif /* HAVE_POPPLER_PAGE_GET_DURATION */
+}
+
+static void
+pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
+{
+ iface->get_page_duration = pdf_document_get_page_duration;
+}
+
+PdfDocument *
+pdf_document_new (void)
+{
+ return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));
+}