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authorPerberos <[email protected]>2011-11-09 18:17:43 -0300
committerPerberos <[email protected]>2011-11-09 18:17:43 -0300
commitf6ce926719943751cf65cacde7fae050593eb2d6 (patch)
tree9224d1751678cf2d1fbd0431f128b711311c0287 /backend/pdf/ev-poppler.cc
downloadatril-f6ce926719943751cf65cacde7fae050593eb2d6.tar.bz2
atril-f6ce926719943751cf65cacde7fae050593eb2d6.tar.xz
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009, Juanjo Marín <[email protected]>
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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
+#ifdef HAVE_CAIRO_PS
+#include <cairo-ps.h>
+#endif
+#include <glib/gi18n-lib.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-document-forms.h"
+#include "ev-document-layers.h"
+#include "ev-document-print.h"
+#include "ev-document-annotations.h"
+#include "ev-document-attachments.h"
+#include "ev-document-text.h"
+#include "ev-selection.h"
+#include "ev-transition-effect.h"
+#include "ev-attachment.h"
+#include "ev-image.h"
+
+#include <libxml/tree.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+#if (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
+#define HAVE_CAIRO_PRINT
+#endif
+
+/* fields from the XMP Rights Management Schema, XMP Specification Sept 2005, pag. 45 */
+#define LICENSE_MARKED "/x:xmpmeta/rdf:RDF/rdf:Description/xmpRights:Marked"
+#define LICENSE_TEXT "/x:xmpmeta/rdf:RDF/rdf:Description/dc:rights/rdf:Alt/rdf:li[lang('%s')]"
+#define LICENSE_WEB_STATEMENT "/x:xmpmeta/rdf:RDF/rdf:Description/xmpRights:WebStatement"
+/* license field from Creative Commons schema, http://creativecommons.org/ns */
+#define LICENSE_URI "/x:xmpmeta/rdf:RDF/rdf:Description/cc:license/@rdf:resource"
+
+typedef struct {
+ EvFileExporterFormat format;
+
+ /* Pages per sheet */
+ gint pages_per_sheet;
+ gint pages_printed;
+ gint pages_x;
+ gint pages_y;
+ gdouble paper_width;
+ gdouble paper_height;
+
+#ifdef HAVE_CAIRO_PRINT
+ cairo_t *cr;
+#else
+ PopplerPSFile *ps_file;
+#endif
+} PdfPrintContext;
+
+struct _PdfDocumentClass
+{
+ EvDocumentClass parent_class;
+};
+
+struct _PdfDocument
+{
+ EvDocument parent_instance;
+
+ PopplerDocument *document;
+ gchar *password;
+ gboolean forms_modified;
+ gboolean annots_modified;
+
+ PopplerFontInfo *font_info;
+ PopplerFontsIter *fonts_iter;
+ int fonts_scanned_pages;
+
+ PdfPrintContext *print_ctx;
+
+ GList *layers;
+ GHashTable *annots;
+};
+
+static void pdf_document_security_iface_init (EvDocumentSecurityInterface *iface);
+static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);
+static void pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface);
+static void pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface);
+static void pdf_document_document_forms_iface_init (EvDocumentFormsInterface *iface);
+static void pdf_document_document_fonts_iface_init (EvDocumentFontsInterface *iface);
+static void pdf_document_document_layers_iface_init (EvDocumentLayersInterface *iface);
+static void pdf_document_document_print_iface_init (EvDocumentPrintInterface *iface);
+static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsInterface *iface);
+static void pdf_document_document_attachments_iface_init (EvDocumentAttachmentsInterface *iface);
+static void pdf_document_find_iface_init (EvDocumentFindInterface *iface);
+static void pdf_document_file_exporter_iface_init (EvFileExporterInterface *iface);
+static void pdf_selection_iface_init (EvSelectionInterface *iface);
+static void pdf_document_page_transition_iface_init (EvDocumentTransitionInterface *iface);
+static void pdf_document_text_iface_init (EvDocumentTextInterface *iface);
+static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ 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_print_context_free (PdfPrintContext *ctx);
+static gboolean attachment_save_to_buffer (PopplerAttachment *attachment,
+ gchar **buffer,
+ gsize *buffer_size,
+ GError **error);
+
+EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
+ {
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
+ pdf_document_security_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
+ pdf_document_document_thumbnails_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
+ pdf_document_document_links_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
+ pdf_document_document_images_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
+ pdf_document_document_forms_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
+ pdf_document_document_fonts_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
+ pdf_document_document_layers_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_PRINT,
+ pdf_document_document_print_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ANNOTATIONS,
+ pdf_document_document_annotations_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ATTACHMENTS,
+ pdf_document_document_attachments_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
+ pdf_document_find_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
+ pdf_document_file_exporter_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
+ pdf_selection_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
+ pdf_document_page_transition_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TEXT,
+ pdf_document_text_iface_init);
+ });
+
+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->annots) {
+ g_hash_table_destroy (pdf_document->annots);
+ pdf_document->annots = 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);
+ }
+
+ if (pdf_document->layers) {
+ g_list_foreach (pdf_document->layers, (GFunc)g_object_unref, NULL);
+ g_list_free (pdf_document->layers);
+ }
+
+ G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
+}
+
+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_literal (error,
+ EV_DOCUMENT_ERROR,
+ code,
+ poppler_error->message);
+
+ g_error_free (poppler_error);
+ } else {
+ g_propagate_error (error, poppler_error);
+ }
+}
+
+
+/* EvDocument */
+static gboolean
+pdf_document_save (EvDocument *document,
+ const char *uri,
+ GError **error)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ gboolean retval;
+ GError *poppler_error = NULL;
+
+ if (pdf_document->forms_modified || pdf_document->annots_modified) {
+ retval = poppler_document_save (pdf_document->document,
+ uri, &poppler_error);
+ if (retval) {
+ pdf_document->forms_modified = FALSE;
+ pdf_document->annots_modified = FALSE;
+ }
+ } else {
+ retval = poppler_document_save_a_copy (pdf_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 EvPage *
+pdf_document_get_page (EvDocument *document,
+ gint index)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerPage *poppler_page;
+ EvPage *page;
+
+ poppler_page = poppler_document_get_page (pdf_document->document, index);
+ page = ev_page_new (index);
+ page->backend_page = (EvBackendPage)g_object_ref (poppler_page);
+ page->backend_destroy_func = (EvBackendPageDestroyFunc)g_object_unref;
+ g_object_unref (poppler_page);
+
+ return page;
+}
+
+static void
+pdf_document_get_page_size (EvDocument *document,
+ EvPage *page,
+ double *width,
+ double *height)
+{
+ g_return_if_fail (POPPLER_IS_PAGE (page->backend_page));
+
+ poppler_page_get_size (POPPLER_PAGE (page->backend_page), width, height);
+}
+
+static char *
+pdf_document_get_page_label (EvDocument *document,
+ EvPage *page)
+{
+ char *label = NULL;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ g_object_get (G_OBJECT (page->backend_page),
+ "label", &label,
+ NULL);
+ return label;
+}
+
+static cairo_surface_t *
+pdf_page_render (PopplerPage *page,
+ gint width,
+ gint height,
+ EvRenderContext *rc)
+{
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ width, height);
+ cr = cairo_create (surface);
+
+ switch (rc->rotation) {
+ case 90:
+ cairo_translate (cr, width, 0);
+ break;
+ case 180:
+ cairo_translate (cr, width, height);
+ break;
+ case 270:
+ cairo_translate (cr, 0, height);
+ break;
+ default:
+ cairo_translate (cr, 0, 0);
+ }
+ cairo_scale (cr, rc->scale, rc->scale);
+ cairo_rotate (cr, rc->rotation * G_PI / 180.0);
+ poppler_page_render (page, cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+ cairo_paint (cr);
+
+ cairo_destroy (cr);
+
+ return surface;
+}
+
+static cairo_surface_t *
+pdf_document_render (EvDocument *document,
+ EvRenderContext *rc)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ double width_points, height_points;
+ gint width, height;
+
+ poppler_page = POPPLER_PAGE (rc->page->backend_page);
+
+ poppler_page_get_size (poppler_page,
+ &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);
+ }
+
+ return pdf_page_render (poppler_page,
+ width, height, rc);
+}
+
+/* reference:
+http://www.pdfa.org/lib/exe/fetch.php?id=pdfa%3Aen%3Atechdoc&cache=cache&media=pdfa:techdoc:tn0001_pdfa-1_and_namespaces_2008-03-18.pdf */
+static char *
+pdf_document_get_format_from_metadata (xmlDocPtr doc,
+ xmlXPathContextPtr xpathCtx)
+{
+ xmlXPathObjectPtr xpathObj;
+ xmlChar *part = NULL;
+ xmlChar *conf = NULL;
+ char *result = NULL;
+ int i;
+
+ /* add pdf/a namespaces */
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "pdfaid", BAD_CAST "http://www.aiim.org/pdfa/ns/id/");
+
+ /* reads pdf/a part */
+ /* first syntax: child node */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:part", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ if (part == NULL) {
+ /* second syntax: attribute */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:part", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ }
+
+ /* reads pdf/a conformance */
+ /* first syntax: child node */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:conformance", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ if (conf == NULL) {
+ /* second syntax: attribute */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:conformance", xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
+ conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+
+ xmlXPathFreeObject (xpathObj);
+ }
+ }
+
+ if (part != NULL && conf != NULL) {
+ /* makes conf lowercase */
+ for (i = 0; conf[i]; i++)
+ conf[i] = g_ascii_tolower (conf[i]);
+
+ /* return buffer */
+ result = g_strdup_printf ("PDF/A - %s%s", part, conf);
+ }
+
+ /* Cleanup */
+ xmlFree (part);
+ xmlFree (conf);
+
+ return result;
+}
+
+static EvDocumentLicense *
+pdf_document_get_license_from_metadata (xmlDocPtr doc,
+ xmlXPathContextPtr xpathCtx)
+{
+ xmlXPathObjectPtr xpathObj;
+ xmlChar *marked = NULL;
+ const char *language_string;
+ char *aux;
+ gchar **tags;
+ gchar *tag, *tag_aux;
+ int i, j;
+ EvDocumentLicense *license;
+
+ /* register namespaces */
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "dc", BAD_CAST "http://purl.org/dc/elements/1.1/");
+ /* XMP Rights Management Schema */
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "xmpRights", BAD_CAST "http://ns.adobe.com/xap/1.0/rights/");
+ /* Creative Commons Schema */
+ xmlXPathRegisterNs (xpathCtx, BAD_CAST "cc", BAD_CAST "http://creativecommons.org/ns#");
+
+ /* checking if the document has been marked as defined on the XMP Rights
+ * Management Schema */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_MARKED, xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL &&
+ xpathObj->nodesetval->nodeNr != 0)
+ marked = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+ xmlXPathFreeObject (xpathObj);
+ }
+
+ /* a) Not marked => No XMP Rights information */
+ if (!marked) {
+ xmlFree (marked);
+ return NULL;
+ }
+
+ license = ev_document_license_new ();
+
+ /* b) Marked False => Public Domain, no copyrighted material and no
+ * license needed */
+ if (g_strrstr ((char *) marked, "False") != NULL) {
+ license->text = g_strdup (_("This work is in the Public Domain"));
+ /* c) Marked True => Copyrighted material */
+ } else {
+ /* Checking usage terms as defined by the XMP Rights Management
+ * Schema. This field is recomended to be checked by Creative
+ * Commons */
+ /* 1) checking for a suitable localized string */
+ language_string = pango_language_to_string (gtk_get_default_language ());
+ tags = g_strsplit (language_string, "-", -1);
+ i = g_strv_length (tags);
+ while (i-- && !license->text) {
+ tag = g_strdup (tags[0]);
+ for (j = 1; j <= i; j++) {
+ tag_aux = g_strdup_printf ("%s-%s", tag, tags[j]);
+ g_free (tag);
+ tag = tag_aux;
+ }
+ aux = g_strdup_printf (LICENSE_TEXT, tag);
+ xpathObj = xmlXPathEvalExpression (BAD_CAST aux, xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL &&
+ xpathObj->nodesetval->nodeNr != 0)
+ license->text = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+ xmlXPathFreeObject (xpathObj);
+ }
+ g_free (tag);
+ g_free (aux);
+ }
+ g_strfreev(tags);
+
+ /* 2) if not, use the default string */
+ if (!license->text) {
+ aux = g_strdup_printf (LICENSE_TEXT, "x-default");
+ xpathObj = xmlXPathEvalExpression (BAD_CAST aux, xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL &&
+ xpathObj->nodesetval->nodeNr != 0)
+ license->text = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+ xmlXPathFreeObject (xpathObj);
+ }
+ g_free (aux);
+ }
+
+ /* Checking the license URI as defined by the Creative Commons
+ * Schema. This field is recomended to be checked by Creative
+ * Commons */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_URI, xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL &&
+ xpathObj->nodesetval->nodeNr != 0)
+ license->uri = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+ xmlXPathFreeObject (xpathObj);
+ }
+
+ /* Checking the web statement as defined by the XMP Rights
+ * Management Schema. Checking it out is a sort of above-and-beyond
+ * the basic recommendations by Creative Commons. It can be
+ * considered as a "reinforcement" approach to add certainty. */
+ xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_WEB_STATEMENT, xpathCtx);
+ if (xpathObj != NULL) {
+ if (xpathObj->nodesetval != NULL &&
+ xpathObj->nodesetval->nodeNr != 0)
+ license->web_statement = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
+ xmlXPathFreeObject (xpathObj);
+ }
+ }
+ xmlFree (marked);
+
+ if (!license->text && !license->uri && !license->web_statement) {
+ ev_document_license_free (license);
+ return NULL;
+ }
+
+ return license;
+}
+
+static void
+pdf_document_parse_metadata (const gchar *metadata,
+ EvDocumentInfo *info)
+{
+ xmlDocPtr doc;
+ xmlXPathContextPtr xpathCtx;
+ gchar *fmt;
+
+ doc = xmlParseMemory (metadata, strlen (metadata));
+ if (doc == NULL)
+ return; /* invalid xml metadata */
+
+ xpathCtx = xmlXPathNewContext (doc);
+ if (xpathCtx == NULL) {
+ xmlFreeDoc (doc);
+ return; /* invalid xpath context */
+ }
+
+ fmt = pdf_document_get_format_from_metadata (doc, xpathCtx);
+ if (fmt != NULL) {
+ g_free (info->format);
+ info->format = fmt;
+ }
+
+ info->license = pdf_document_get_license_from_metadata (doc, xpathCtx);
+
+ xmlXPathFreeContext (xpathCtx);
+ xmlFreeDoc (doc);
+}
+
+
+static EvDocumentInfo *
+pdf_document_get_info (EvDocument *document)
+{
+ EvDocumentInfo *info;
+ PopplerPageLayout layout;
+ PopplerPageMode mode;
+ PopplerViewerPreferences view_prefs;
+ PopplerPermissions permissions;
+ EvPage *page;
+ char *metadata;
+
+ 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 |
+ EV_DOCUMENT_INFO_LICENSE;
+
+ 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),
+ "metadata", &metadata,
+ NULL);
+
+ if (metadata != NULL) {
+ pdf_document_parse_metadata (metadata, info);
+ g_free (metadata);
+ }
+
+ info->n_pages = ev_document_get_n_pages (document);
+
+ if (info->n_pages > 0) {
+ ev_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;
+ }
+
+ 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 gboolean
+pdf_document_get_backend_info (EvDocument *document, EvDocumentBackendInfo *info)
+{
+ PopplerBackend backend;
+
+ backend = poppler_get_backend ();
+ switch (backend) {
+ case POPPLER_BACKEND_CAIRO:
+ info->name = "poppler/cairo";
+ break;
+ case POPPLER_BACKEND_SPLASH:
+ info->name = "poppler/splash";
+ break;
+ default:
+ info->name = "poppler/unknown";
+ break;
+ }
+
+ info->version = poppler_get_version ();
+
+ return TRUE;
+}
+
+static gboolean
+pdf_document_support_synctex (EvDocument *document)
+{
+ return TRUE;
+}
+
+static void
+pdf_document_class_init (PdfDocumentClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
+
+ g_object_class->dispose = pdf_document_dispose;
+
+ ev_document_class->save = pdf_document_save;
+ ev_document_class->load = pdf_document_load;
+ ev_document_class->get_n_pages = pdf_document_get_n_pages;
+ ev_document_class->get_page = pdf_document_get_page;
+ ev_document_class->get_page_size = pdf_document_get_page_size;
+ ev_document_class->get_page_label = pdf_document_get_page_label;
+ ev_document_class->render = pdf_document_render;
+ ev_document_class->get_info = pdf_document_get_info;
+ ev_document_class->get_backend_info = pdf_document_get_backend_info;
+ ev_document_class->support_synctex = pdf_document_support_synctex;
+}
+
+/* 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 void
+pdf_document_security_iface_init (EvDocumentSecurityInterface *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 (EvDocumentFontsInterface *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 - MIN (height, dest->top),
+ dest->zoom,
+ dest->change_left,
+ dest->change_top,
+ dest->change_zoom);
+ g_object_unref (poppler_page);
+ }
+ break;
+ case POPPLER_DEST_FITB:
+ case POPPLER_DEST_FIT:
+ ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
+ break;
+ case POPPLER_DEST_FITBH:
+ 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 - MIN (height, dest->top),
+ dest->change_top);
+ g_object_unref (poppler_page);
+ }
+ break;
+ case POPPLER_DEST_FITBV:
+ case POPPLER_DEST_FITV:
+ ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
+ dest->left,
+ dest->change_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 - MIN (height, dest->bottom),
+ dest->right,
+ height - MIN (height, dest->top));
+ g_object_unref (poppler_page);
+ }
+ 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 destination: %s, please post a "
+ "bug report in Evince bugzilla "
+ "(http://bugzilla.mate.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_NONE:
+ break;
+ 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;
+#if POPPLER_CHECK_VERSION (0, 13, 2)
+ case POPPLER_ACTION_RENDITION:
+ unimplemented_action = "POPPLER_ACTION_RENDITION";
+ break;
+ case POPPLER_ACTION_OCG_STATE:
+ unimplemented_action = "POPPLER_ACTION_OCG_STATE";
+ break;
+#endif
+ case POPPLER_ACTION_UNKNOWN:
+ unimplemented_action = "POPPLER_ACTION_UNKNOWN";
+ }
+
+ if (unimplemented_action) {
+ g_warning ("Unimplemented action: %s, please post a bug report "
+ "in Evince bugzilla (http://bugzilla.mate.org) "
+ "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 || strlen (ev_link_get_title (link)) <= 0) {
+ poppler_action_free (action);
+ if (link)
+ g_object_unref (link);
+
+ 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,
+ G_TYPE_STRING);
+ build_tree (pdf_document, model, NULL, iter);
+ poppler_index_iter_free (iter);
+ }
+
+ return model;
+}
+
+static EvMappingList *
+pdf_document_links_get_links (EvDocumentLinks *document_links,
+ EvPage *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_PAGE (page->backend_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;
+ EvMapping *ev_link_mapping;
+
+ link_mapping = (PopplerLinkMapping *)list->data;
+ ev_link_mapping = g_new (EvMapping, 1);
+ ev_link_mapping->data = ev_link_from_action (pdf_document,
+ link_mapping->action);
+ ev_link_mapping->area.x1 = link_mapping->area.x1;
+ ev_link_mapping->area.x2 = link_mapping->area.x2;
+ /* Invert this for X-style coordinates */
+ ev_link_mapping->area.y1 = height - link_mapping->area.y2;
+ ev_link_mapping->area.y2 = height - link_mapping->area.y1;
+
+ retval = g_list_prepend (retval, ev_link_mapping);
+ }
+
+ poppler_page_free_link_mapping (mapping_list);
+
+ return ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
+}
+
+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 (EvDocumentLinksInterface *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 EvMappingList *
+pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
+ EvPage *page)
+{
+ GList *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *mapping_list;
+ GList *list;
+
+ pdf_document = PDF_DOCUMENT (document_images);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ mapping_list = poppler_page_get_image_mapping (poppler_page);
+
+ for (list = mapping_list; list; list = list->next) {
+ PopplerImageMapping *image_mapping;
+ EvMapping *ev_image_mapping;
+
+ image_mapping = (PopplerImageMapping *)list->data;
+
+ ev_image_mapping = g_new (EvMapping, 1);
+
+ ev_image_mapping->data = ev_image_new (page->index, image_mapping->image_id);
+ ev_image_mapping->area.x1 = image_mapping->area.x1;
+ ev_image_mapping->area.y1 = image_mapping->area.y1;
+ ev_image_mapping->area.x2 = image_mapping->area.x2;
+ ev_image_mapping->area.y2 = image_mapping->area.y2;
+
+ retval = g_list_prepend (retval, ev_image_mapping);
+ }
+
+ poppler_page_free_image_mapping (mapping_list);
+
+ return ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
+}
+
+GdkPixbuf *
+pdf_document_images_get_image (EvDocumentImages *document_images,
+ EvImage *image)
+{
+ GdkPixbuf *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ cairo_surface_t *surface;
+
+ pdf_document = PDF_DOCUMENT (document_images);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ ev_image_get_page (image));
+
+ surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
+ if (surface) {
+ retval = ev_document_misc_pixbuf_from_surface (surface);
+ cairo_surface_destroy (surface);
+ }
+
+ g_object_unref (poppler_page);
+
+ return retval;
+}
+
+static void
+pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface)
+{
+ iface->get_image_mapping = pdf_document_images_get_image_mapping;
+ iface->get_image = pdf_document_images_get_image;
+}
+
+static GdkPixbuf *
+make_thumbnail_for_page (PopplerPage *poppler_page,
+ EvRenderContext *rc,
+ gint width,
+ gint height)
+{
+ GdkPixbuf *pixbuf;
+
+#ifdef POPPLER_WITH_GDK
+ 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,
+ rc->scale, rc->rotation, pixbuf);
+ ev_document_fc_mutex_unlock ();
+#else
+ cairo_surface_t *surface;
+
+ ev_document_fc_mutex_lock ();
+ surface = pdf_page_render (poppler_page, width, height, rc);
+ ev_document_fc_mutex_unlock ();
+
+ pixbuf = ev_document_misc_pixbuf_from_surface (surface);
+ cairo_surface_destroy (surface);
+#endif /* POPPLER_WITH_GDK */
+
+ return pixbuf;
+}
+
+static GdkPixbuf *
+pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ gboolean border)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails);
+ PopplerPage *poppler_page;
+ GdkPixbuf *pixbuf = NULL;
+ GdkPixbuf *border_pixbuf;
+ gint width, height;
+
+ poppler_page = POPPLER_PAGE (rc->page->backend_page);
+
+ pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
+ rc, &width, &height);
+
+#ifdef POPPLER_WITH_GDK
+ pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
+#else
+ cairo_surface_t *surface;
+
+ surface = poppler_page_get_thumbnail (poppler_page);
+ if (surface) {
+ pixbuf = ev_document_misc_pixbuf_from_surface (surface);
+ cairo_surface_destroy (surface);
+ }
+#endif /* POPPLER_WITH_GDK */
+
+ if (pixbuf != NULL) {
+ int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ?
+ gdk_pixbuf_get_height (pixbuf) :
+ gdk_pixbuf_get_width (pixbuf);
+
+ if (thumb_width == width) {
+ GdkPixbuf *rotated_pixbuf;
+
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
+ (GdkPixbufRotation) (360 - rc->rotation));
+ g_object_unref (pixbuf);
+ pixbuf = rotated_pixbuf;
+ } else {
+ /* The provided thumbnail has a different size */
+ g_object_unref (pixbuf);
+ pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
+ }
+ } else {
+ /* There is no provided thumbnail. We need to make one. */
+ pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
+ }
+
+ if (border && pixbuf) {
+ border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
+ g_object_unref (pixbuf);
+ pixbuf = border_pixbuf;
+ }
+
+ return pixbuf;
+}
+
+static void
+pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ gint *width,
+ gint *height)
+{
+ double page_width, page_height;
+
+ poppler_page_get_size (POPPLER_PAGE (rc->page->backend_page),
+ &page_width, &page_height);
+
+ *width = MAX ((gint)(page_width * rc->scale + 0.5), 1);
+ *height = MAX ((gint)(page_height * rc->scale + 0.5), 1);
+
+ if (rc->rotation == 90 || rc->rotation == 270) {
+ gint temp;
+
+ temp = *width;
+ *width = *height;
+ *height = temp;
+ }
+}
+
+static void
+pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
+{
+ iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
+ iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
+}
+
+
+static GList *
+pdf_document_find_find_text (EvDocumentFind *document_find,
+ EvPage *page,
+ const gchar *text,
+ gboolean case_sensitive)
+{
+ GList *matches, *l;
+ PopplerPage *poppler_page;
+ gdouble height;
+ GList *retval = NULL;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+ g_return_val_if_fail (text != NULL, NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ matches = poppler_page_find_text (poppler_page, text);
+ if (!matches)
+ return NULL;
+
+ poppler_page_get_size (poppler_page, NULL, &height);
+ for (l = matches; l && l->data; l = g_list_next (l)) {
+ PopplerRectangle *rect = (PopplerRectangle *)l->data;
+ EvRectangle *ev_rect;
+
+ ev_rect = ev_rectangle_new ();
+ ev_rect->x1 = rect->x1;
+ ev_rect->x2 = rect->x2;
+ /* Invert this for X-style coordinates */
+ ev_rect->y1 = height - rect->y2;
+ ev_rect->y2 = height - rect->y1;
+
+ retval = g_list_prepend (retval, ev_rect);
+ }
+
+ g_list_foreach (matches, (GFunc)poppler_rectangle_free, NULL);
+ g_list_free (matches);
+
+ return g_list_reverse (retval);
+}
+
+static void
+pdf_document_find_iface_init (EvDocumentFindInterface *iface)
+{
+ iface->find_text = pdf_document_find_find_text;
+}
+
+static void
+pdf_print_context_free (PdfPrintContext *ctx)
+{
+ if (!ctx)
+ return;
+
+#ifdef HAVE_CAIRO_PRINT
+ if (ctx->cr) {
+ cairo_destroy (ctx->cr);
+ ctx->cr = NULL;
+ }
+#else
+ if (ctx->ps_file) {
+ poppler_ps_file_free (ctx->ps_file);
+ ctx->ps_file = NULL;
+ }
+#endif
+ g_free (ctx);
+}
+
+static void
+pdf_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterContext *fc)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PdfPrintContext *ctx;
+#ifdef HAVE_CAIRO_PRINT
+ gdouble width, height;
+ cairo_surface_t *surface = NULL;
+#endif
+
+ 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 = fc->format;
+
+#ifdef HAVE_CAIRO_PRINT
+ ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
+
+ ctx->paper_width = fc->paper_width;
+ ctx->paper_height = fc->paper_height;
+
+ switch (fc->pages_per_sheet) {
+ default:
+ case 1:
+ ctx->pages_x = 1;
+ ctx->pages_y = 1;
+ break;
+ case 2:
+ ctx->pages_x = 1;
+ ctx->pages_y = 2;
+ break;
+ case 4:
+ ctx->pages_x = 2;
+ ctx->pages_y = 2;
+ break;
+ case 6:
+ ctx->pages_x = 2;
+ ctx->pages_y = 3;
+ break;
+ case 9:
+ ctx->pages_x = 3;
+ ctx->pages_y = 3;
+ break;
+ case 16:
+ ctx->pages_x = 4;
+ ctx->pages_y = 4;
+ break;
+ }
+
+ ctx->pages_printed = 0;
+
+ switch (fc->format) {
+ case EV_FILE_FORMAT_PS:
+#ifdef HAVE_CAIRO_PS
+ surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
+#endif
+ break;
+ case EV_FILE_FORMAT_PDF:
+#ifdef HAVE_CAIRO_PDF
+ surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
+#endif
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ ctx->cr = cairo_create (surface);
+ cairo_surface_destroy (surface);
+
+#else /* HAVE_CAIRO_PRINT */
+ if (ctx->format == EV_FILE_FORMAT_PS) {
+ ctx->ps_file = poppler_ps_file_new (pdf_document->document,
+ fc->filename, fc->first_page,
+ fc->last_page - fc->first_page + 1);
+ poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
+ poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
+ }
+#endif /* HAVE_CAIRO_PRINT */
+}
+
+static void
+pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PdfPrintContext *ctx = pdf_document->print_ctx;
+
+ g_return_if_fail (pdf_document->print_ctx != NULL);
+
+ ctx->pages_printed = 0;
+
+#ifdef HAVE_CAIRO_PRINT
+ if (ctx->paper_width > ctx->paper_height) {
+ if (ctx->format == EV_FILE_FORMAT_PS) {
+ cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
+ ctx->paper_height,
+ ctx->paper_width);
+ } else if (ctx->format == EV_FILE_FORMAT_PDF) {
+ cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
+ ctx->paper_height,
+ ctx->paper_width);
+ }
+ }
+#endif /* HAVE_CAIRO_PRINT */
+}
+
+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;
+#ifdef HAVE_CAIRO_PRINT
+ gdouble page_width, page_height;
+ gint x, y;
+ gboolean rotate;
+ gdouble width, height;
+ gdouble pwidth, pheight;
+ gdouble xscale, yscale;
+#endif
+
+ g_return_if_fail (pdf_document->print_ctx != NULL);
+
+ poppler_page = POPPLER_PAGE (rc->page->backend_page);
+
+#ifdef HAVE_CAIRO_PRINT
+ x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
+ y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
+ poppler_page_get_size (poppler_page, &page_width, &page_height);
+
+ if (page_width > page_height && page_width > ctx->paper_width) {
+ rotate = TRUE;
+ } else {
+ rotate = FALSE;
+ }
+
+ /* Use always portrait mode and rotate when necessary */
+ if (ctx->paper_width > ctx->paper_height) {
+ width = ctx->paper_height;
+ height = ctx->paper_width;
+ rotate = !rotate;
+ } else {
+ width = ctx->paper_width;
+ height = ctx->paper_height;
+ }
+
+ if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
+ rotate = !rotate;
+ }
+
+ if (rotate) {
+ gint tmp1;
+ gdouble tmp2;
+
+ tmp1 = x;
+ x = y;
+ y = tmp1;
+
+ tmp2 = page_width;
+ page_width = page_height;
+ page_height = tmp2;
+ }
+
+ pwidth = width / ctx->pages_x;
+ pheight = height / ctx->pages_y;
+
+ if ((page_width > pwidth || page_height > pheight) ||
+ (page_width < pwidth && page_height < pheight)) {
+ xscale = pwidth / page_width;
+ yscale = pheight / page_height;
+
+ if (yscale < xscale) {
+ xscale = yscale;
+ } else {
+ yscale = xscale;
+ }
+
+ } else {
+ xscale = yscale = 1;
+ }
+
+ /* TODO: center */
+
+ cairo_save (ctx->cr);
+ if (rotate) {
+ cairo_matrix_t matrix;
+
+ cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
+ cairo_matrix_init (&matrix,
+ 0, 1,
+ -1, 0,
+ 0, 0);
+ cairo_transform (ctx->cr, &matrix);
+ }
+
+ cairo_translate (ctx->cr,
+ x * (rotate ? pheight : pwidth),
+ y * (rotate ? pwidth : pheight));
+ cairo_scale (ctx->cr, xscale, yscale);
+
+ poppler_page_render_for_printing (poppler_page, ctx->cr);
+
+ ctx->pages_printed++;
+
+ cairo_restore (ctx->cr);
+#else /* HAVE_CAIRO_PRINT */
+ if (ctx->format == EV_FILE_FORMAT_PS)
+ poppler_page_render_to_ps (poppler_page, ctx->ps_file);
+#endif /* HAVE_CAIRO_PRINT */
+}
+
+static void
+pdf_document_file_exporter_end_page (EvFileExporter *exporter)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PdfPrintContext *ctx = pdf_document->print_ctx;
+
+ g_return_if_fail (pdf_document->print_ctx != NULL);
+
+#ifdef HAVE_CAIRO_PRINT
+ cairo_show_page (ctx->cr);
+#endif
+}
+
+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 EvFileExporterCapabilities
+pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+ return (EvFileExporterCapabilities) (
+ EV_FILE_EXPORTER_CAN_PAGE_SET |
+ EV_FILE_EXPORTER_CAN_COPIES |
+ EV_FILE_EXPORTER_CAN_COLLATE |
+ EV_FILE_EXPORTER_CAN_REVERSE |
+ EV_FILE_EXPORTER_CAN_SCALE |
+#ifdef HAVE_CAIRO_PRINT
+ EV_FILE_EXPORTER_CAN_NUMBER_UP |
+#endif
+
+#ifdef HAVE_CAIRO_PDF
+ EV_FILE_EXPORTER_CAN_GENERATE_PDF |
+#endif
+ EV_FILE_EXPORTER_CAN_GENERATE_PS);
+}
+
+static void
+pdf_document_file_exporter_iface_init (EvFileExporterInterface *iface)
+{
+ iface->begin = pdf_document_file_exporter_begin;
+ iface->begin_page = pdf_document_file_exporter_begin_page;
+ iface->do_page = pdf_document_file_exporter_do_page;
+ iface->end_page = pdf_document_file_exporter_end_page;
+ iface->end = pdf_document_file_exporter_end;
+ iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
+}
+
+/* EvDocumentPrint */
+static void
+pdf_document_print_print_page (EvDocumentPrint *document,
+ EvPage *page,
+ cairo_t *cr)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ poppler_page_render_for_printing (POPPLER_PAGE (page->backend_page), cr);
+}
+
+static void
+pdf_document_document_print_iface_init (EvDocumentPrintInterface *iface)
+{
+ iface->print_page = pdf_document_print_print_page;
+}
+
+static void
+pdf_selection_render_selection (EvSelection *selection,
+ EvRenderContext *rc,
+ cairo_surface_t **surface,
+ EvRectangle *points,
+ EvRectangle *old_points,
+ EvSelectionStyle style,
+ GdkColor *text,
+ GdkColor *base)
+{
+ PopplerPage *poppler_page;
+ cairo_t *cr;
+ PopplerColor text_color, base_color;
+ double width_points, height_points;
+ gint width, height;
+
+ poppler_page = POPPLER_PAGE (rc->page->backend_page);
+
+ poppler_page_get_size (poppler_page,
+ &width_points, &height_points);
+ width = (int) ((width_points * rc->scale) + 0.5);
+ height = (int) ((height_points * rc->scale) + 0.5);
+
+ text_color.red = text->red;
+ text_color.green = text->green;
+ text_color.blue = text->blue;
+
+ base_color.red = base->red;
+ base_color.green = base->green;
+ base_color.blue = base->blue;
+
+ if (*surface == NULL) {
+ *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+ width, height);
+
+ }
+
+ cr = cairo_create (*surface);
+ cairo_scale (cr, rc->scale, rc->scale);
+ cairo_surface_set_device_offset (*surface, 0, 0);
+ memset (cairo_image_surface_get_data (*surface), 0x00,
+ cairo_image_surface_get_height (*surface) *
+ cairo_image_surface_get_stride (*surface));
+ poppler_page_render_selection (poppler_page,
+ cr,
+ (PopplerRectangle *)points,
+ (PopplerRectangle *)old_points,
+ (PopplerSelectionStyle)style,
+ &text_color,
+ &base_color);
+ cairo_destroy (cr);
+}
+
+static gchar *
+pdf_selection_get_selected_text (EvSelection *selection,
+ EvPage *page,
+ EvSelectionStyle style,
+ EvRectangle *points)
+{
+ PopplerPage *poppler_page;
+ char *retval;
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+#ifdef HAVE_POPPLER_PAGE_GET_SELECTED_TEXT
+ retval = poppler_page_get_selected_text (poppler_page,
+ (PopplerSelectionStyle)style,
+ (PopplerRectangle *)points);
+#else
+ PopplerRectangle r;
+ double height;
+
+ poppler_page_get_size (poppler_page, NULL, &height);
+ r.x1 = points->x1;
+ r.y1 = height - points->y2;
+ r.x2 = points->x2;
+ r.y2 = height - points->y1;
+
+ retval = poppler_page_get_text (poppler_page,
+ (PopplerSelectionStyle)style,
+ &r);
+#endif /* HAVE_POPPLER_PAGE_GET_SELECTED_TEXT */
+
+ return retval;
+}
+
+static cairo_region_t *
+create_region_from_poppler_region (GList *region, gdouble scale)
+{
+ GList *l;
+ cairo_region_t *retval;
+
+ retval = cairo_region_create ();
+
+ for (l = region; l; l = g_list_next (l)) {
+ PopplerRectangle *rectangle;
+ cairo_rectangle_int_t rect;
+
+ rectangle = (PopplerRectangle *)l->data;
+
+ rect.x = (gint) ((rectangle->x1 * scale) + 0.5);
+ rect.y = (gint) ((rectangle->y1 * scale) + 0.5);
+ rect.width = (gint) (((rectangle->x2 - rectangle->x1) * scale) + 0.5);
+ rect.height = (gint) (((rectangle->y2 - rectangle->y1) * scale) + 0.5);
+ cairo_region_union_rectangle (retval, &rect);
+
+ poppler_rectangle_free (rectangle);
+ }
+
+ return retval;
+}
+
+static cairo_region_t *
+pdf_selection_get_selection_region (EvSelection *selection,
+ EvRenderContext *rc,
+ EvSelectionStyle style,
+ EvRectangle *points)
+{
+ PopplerPage *poppler_page;
+ cairo_region_t *retval;
+ GList *region;
+
+ poppler_page = POPPLER_PAGE (rc->page->backend_page);
+ region = poppler_page_get_selection_region (poppler_page,
+ 1.0,
+ (PopplerSelectionStyle)style,
+ (PopplerRectangle *) points);
+ retval = create_region_from_poppler_region (region, rc->scale);
+ g_list_free (region);
+
+ return retval;
+}
+
+static void
+pdf_selection_iface_init (EvSelectionInterface *iface)
+{
+ iface->render_selection = pdf_selection_render_selection;
+ iface->get_selected_text = pdf_selection_get_selected_text;
+ iface->get_selection_region = pdf_selection_get_selection_region;
+}
+
+
+/* EvDocumentText */
+static cairo_region_t *
+pdf_document_text_get_text_mapping (EvDocumentText *document_text,
+ EvPage *page)
+{
+ PopplerPage *poppler_page;
+ PopplerRectangle points;
+ GList *region;
+ cairo_region_t *retval;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ points.x1 = 0.0;
+ points.y1 = 0.0;
+ poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
+
+ region = poppler_page_get_selection_region (poppler_page, 1.0,
+ POPPLER_SELECTION_GLYPH,
+ &points);
+ retval = create_region_from_poppler_region (region, 1.0);
+ g_list_free (region);
+
+ return retval;
+}
+
+#ifdef HAVE_POPPLER_PAGE_GET_SELECTED_TEXT
+static gchar *
+pdf_document_text_get_text (EvDocumentText *selection,
+ EvPage *page)
+{
+ PopplerPage *poppler_page;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ return poppler_page_get_text (poppler_page);
+}
+#else
+static gchar *
+pdf_document_text_get_text (EvDocumentText *selection,
+ EvPage *page)
+{
+ PopplerPage *poppler_page;
+ PopplerRectangle r;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ r.x1 = 0;
+ r.y1 = 0;
+ poppler_page_get_size (poppler_page, &(r.x2), &(r.y2));
+
+ return poppler_page_get_text (poppler_page,
+ POPPLER_SELECTION_WORD,
+ &r);
+}
+#endif /* HAVE_POPPLER_PAGE_GET_SELECTED_TEXT */
+
+#ifdef HAVE_POPPLER_PAGE_GET_TEXT_LAYOUT
+static gboolean
+pdf_document_text_get_text_layout (EvDocumentText *selection,
+ EvPage *page,
+ EvRectangle **areas,
+ guint *n_areas)
+{
+ PopplerPage *poppler_page;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ return poppler_page_get_text_layout (poppler_page, (PopplerRectangle **)areas, n_areas);
+}
+#endif
+
+static void
+pdf_document_text_iface_init (EvDocumentTextInterface *iface)
+{
+ iface->get_text_mapping = pdf_document_text_get_text_mapping;
+ iface->get_text = pdf_document_text_get_text;
+#ifdef HAVE_POPPLER_PAGE_GET_TEXT_LAYOUT
+ iface->get_text_layout = pdf_document_text_get_text_layout;
+#endif
+}
+
+/* Page Transitions */
+static gdouble
+pdf_document_get_page_duration (EvDocumentTransition *trans,
+ gint page)
+{
+ 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;
+}
+
+static EvTransitionEffect *
+pdf_document_get_effect (EvDocumentTransition *trans,
+ gint page)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ PopplerPageTransition *page_transition;
+ EvTransitionEffect *effect;
+
+ pdf_document = PDF_DOCUMENT (trans);
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+
+ if (!poppler_page)
+ return NULL;
+
+ page_transition = poppler_page_get_transition (poppler_page);
+
+ if (!page_transition) {
+ g_object_unref (poppler_page);
+ return NULL;
+ }
+
+ /* enums in PopplerPageTransition match the EvTransitionEffect ones */
+ effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
+ "alignment", page_transition->alignment,
+ "direction", page_transition->direction,
+ "duration", page_transition->duration,
+ "angle", page_transition->angle,
+ "scale", page_transition->scale,
+ "rectangular", page_transition->rectangular,
+ NULL);
+
+ poppler_page_transition_free (page_transition);
+ g_object_unref (poppler_page);
+
+ return effect;
+}
+
+static void
+pdf_document_page_transition_iface_init (EvDocumentTransitionInterface *iface)
+{
+ iface->get_page_duration = pdf_document_get_page_duration;
+ iface->get_effect = pdf_document_get_effect;
+}
+
+/* Forms */
+static void
+pdf_document_get_crop_box (EvDocument *document,
+ int page,
+ EvRectangle *rect)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ PopplerRectangle poppler_rect;
+
+ pdf_document = PDF_DOCUMENT (document);
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ poppler_page_get_crop_box (poppler_page, &poppler_rect);
+ rect->x1 = poppler_rect.x1;
+ rect->x2 = poppler_rect.x2;
+ rect->y1 = poppler_rect.y1;
+ rect->y2 = poppler_rect.y2;
+}
+
+static EvFormField *
+ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
+{
+ EvFormField *ev_field = NULL;
+ gint id;
+ gdouble font_size;
+ gboolean is_read_only;
+
+ id = poppler_form_field_get_id (poppler_field);
+ font_size = poppler_form_field_get_font_size (poppler_field);
+ is_read_only = poppler_form_field_is_read_only (poppler_field);
+
+ switch (poppler_form_field_get_field_type (poppler_field)) {
+ case POPPLER_FORM_FIELD_TEXT: {
+ EvFormFieldText *field_text;
+ EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+
+ switch (poppler_form_field_text_get_text_type (poppler_field)) {
+ case POPPLER_FORM_TEXT_NORMAL:
+ ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+ break;
+ case POPPLER_FORM_TEXT_MULTILINE:
+ ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
+ break;
+ case POPPLER_FORM_TEXT_FILE_SELECT:
+ ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
+ break;
+ }
+
+ ev_field = ev_form_field_text_new (id, ev_text_type);
+ field_text = EV_FORM_FIELD_TEXT (ev_field);
+
+ field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
+ field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
+ field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
+ field_text->is_password = poppler_form_field_text_is_password (poppler_field);
+ field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
+ field_text->text = poppler_form_field_text_get_text (poppler_field);
+
+ }
+ break;
+ case POPPLER_FORM_FIELD_BUTTON: {
+ EvFormFieldButton *field_button;
+ EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+
+ switch (poppler_form_field_button_get_button_type (poppler_field)) {
+ case POPPLER_FORM_BUTTON_PUSH:
+ ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+ break;
+ case POPPLER_FORM_BUTTON_CHECK:
+ ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
+ break;
+ case POPPLER_FORM_BUTTON_RADIO:
+ ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
+ break;
+ }
+
+ ev_field = ev_form_field_button_new (id, ev_button_type);
+ field_button = EV_FORM_FIELD_BUTTON (ev_field);
+
+ field_button->state = poppler_form_field_button_get_state (poppler_field);
+ }
+ break;
+ case POPPLER_FORM_FIELD_CHOICE: {
+ EvFormFieldChoice *field_choice;
+ EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+
+ switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
+ case POPPLER_FORM_CHOICE_COMBO:
+ ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+ break;
+ case EV_FORM_FIELD_CHOICE_LIST:
+ ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
+ break;
+ }
+
+ ev_field = ev_form_field_choice_new (id, ev_choice_type);
+ field_choice = EV_FORM_FIELD_CHOICE (ev_field);
+
+ field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
+ field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
+ field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
+ field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
+
+ /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
+ field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
+ if (field_choice->is_editable)
+ field_choice->text = poppler_form_field_choice_get_text (poppler_field);
+ }
+ break;
+ case POPPLER_FORM_FIELD_SIGNATURE:
+ /* TODO */
+ ev_field = ev_form_field_signature_new (id);
+ break;
+ case POPPLER_FORM_FIELD_UNKNOWN:
+ return NULL;
+ }
+
+ ev_field->font_size = font_size;
+ ev_field->is_read_only = is_read_only;
+
+ return ev_field;
+}
+
+static EvMappingList *
+pdf_document_forms_get_form_fields (EvDocumentForms *document,
+ EvPage *page)
+{
+ PopplerPage *poppler_page;
+ GList *retval = NULL;
+ GList *fields;
+ GList *list;
+ double height;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ fields = poppler_page_get_form_field_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+
+ for (list = fields; list; list = list->next) {
+ PopplerFormFieldMapping *mapping;
+ EvMapping *field_mapping;
+ EvFormField *ev_field;
+
+ mapping = (PopplerFormFieldMapping *)list->data;
+
+ ev_field = ev_form_field_from_poppler_field (mapping->field);
+ if (!ev_field)
+ continue;
+
+ field_mapping = g_new0 (EvMapping, 1);
+ field_mapping->area.x1 = mapping->area.x1;
+ field_mapping->area.x2 = mapping->area.x2;
+ field_mapping->area.y1 = height - mapping->area.y2;
+ field_mapping->area.y2 = height - mapping->area.y1;
+ field_mapping->data = ev_field;
+ ev_field->page = EV_PAGE (g_object_ref (page));
+
+ g_object_set_data_full (G_OBJECT (ev_field),
+ "poppler-field",
+ g_object_ref (mapping->field),
+ (GDestroyNotify) g_object_unref);
+
+ retval = g_list_prepend (retval, field_mapping);
+ }
+
+ poppler_page_free_form_field_mapping (fields);
+
+ return retval ? ev_mapping_list_new (page->index,
+ g_list_reverse (retval),
+ (GDestroyNotify)g_object_unref) : NULL;
+}
+
+static gboolean
+pdf_document_forms_document_is_modified (EvDocumentForms *document)
+{
+ return PDF_DOCUMENT (document)->forms_modified;
+}
+
+static gchar *
+pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
+ EvFormField *field)
+
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_text_get_text (poppler_field);
+
+ return text;
+}
+
+static void
+pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
+ EvFormField *field,
+ const gchar *text)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_text_set_text (poppler_field, text);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
+ EvFormField *field,
+ gboolean state)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_button_set_state (poppler_field, state);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static gboolean
+pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gboolean state;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return FALSE;
+
+ state = poppler_form_field_button_get_state (poppler_field);
+
+ return state;
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_choice_get_item (poppler_field, index);
+
+ return text;
+}
+
+static int
+pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gint n_items;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return -1;
+
+ n_items = poppler_form_field_choice_get_n_items (poppler_field);
+
+ return n_items;
+}
+
+static gboolean
+pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+ gboolean selected;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return FALSE;
+
+ selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
+
+ return selected;
+}
+
+static void
+pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_select_item (poppler_field, index);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_toggle_item (poppler_field, index);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_unselect_all (poppler_field);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
+ EvFormField *field,
+ const gchar *text)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_set_text (poppler_field, text);
+ PDF_DOCUMENT (document)->forms_modified = TRUE;
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_choice_get_text (poppler_field);
+
+ return text;
+}
+
+static void
+pdf_document_document_forms_iface_init (EvDocumentFormsInterface *iface)
+{
+ iface->get_form_fields = pdf_document_forms_get_form_fields;
+ iface->document_is_modified = pdf_document_forms_document_is_modified;
+ iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
+ iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
+ iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
+ iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
+ iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
+ iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
+ iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
+ iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
+ iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
+ iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
+ iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
+ iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
+}
+
+/* Annotations */
+static void
+poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot,
+ GdkColor *color)
+{
+ PopplerColor *poppler_color;
+
+ poppler_color = poppler_annot_get_color (poppler_annot);
+ if (poppler_color) {
+ color->red = poppler_color->red;
+ color->green = poppler_color->green;
+ color->blue = poppler_color->blue;
+
+ g_free (poppler_color);
+ } /* TODO: else use a default color */
+}
+
+static EvAnnotationTextIcon
+get_annot_text_icon (PopplerAnnotText *poppler_annot)
+{
+#ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
+ gchar *icon = poppler_annot_text_get_icon (poppler_annot);
+ EvAnnotationTextIcon retval;
+
+ if (!icon)
+ return EV_ANNOTATION_TEXT_ICON_UNKNOWN;
+
+ if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_NOTE) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_NOTE;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_COMMENT) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_COMMENT;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_KEY) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_KEY;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_HELP) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_HELP;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_NEW_PARAGRAPH) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_NEW_PARAGRAPH;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_PARAGRAPH) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_PARAGRAPH;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_INSERT) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_INSERT;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_CROSS) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_CROSS;
+ else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_CIRCLE) == 0)
+ retval = EV_ANNOTATION_TEXT_ICON_CIRCLE;
+ else
+ retval = EV_ANNOTATION_TEXT_ICON_UNKNOWN;
+
+ g_free (icon);
+
+ return retval;
+#else
+ return EV_ANNOTATION_TEXT_ICON_UNKNOWN;
+#endif
+}
+
+static const gchar *
+get_poppler_annot_text_icon (EvAnnotationTextIcon icon)
+{
+#ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
+ switch (icon) {
+ case EV_ANNOTATION_TEXT_ICON_NOTE:
+ return POPPLER_ANNOT_TEXT_ICON_NOTE;
+ case EV_ANNOTATION_TEXT_ICON_COMMENT:
+ return POPPLER_ANNOT_TEXT_ICON_COMMENT;
+ case EV_ANNOTATION_TEXT_ICON_KEY:
+ return POPPLER_ANNOT_TEXT_ICON_KEY;
+ case EV_ANNOTATION_TEXT_ICON_HELP:
+ return POPPLER_ANNOT_TEXT_ICON_HELP;
+ case EV_ANNOTATION_TEXT_ICON_NEW_PARAGRAPH:
+ return POPPLER_ANNOT_TEXT_ICON_NEW_PARAGRAPH;
+ case EV_ANNOTATION_TEXT_ICON_PARAGRAPH:
+ return POPPLER_ANNOT_TEXT_ICON_PARAGRAPH;
+ case EV_ANNOTATION_TEXT_ICON_INSERT:
+ return POPPLER_ANNOT_TEXT_ICON_INSERT;
+ case EV_ANNOTATION_TEXT_ICON_CROSS:
+ return POPPLER_ANNOT_TEXT_ICON_CROSS;
+ case EV_ANNOTATION_TEXT_ICON_CIRCLE:
+ return POPPLER_ANNOT_TEXT_ICON_CIRCLE;
+ case EV_ANNOTATION_TEXT_ICON_UNKNOWN:
+ default:
+ return POPPLER_ANNOT_TEXT_ICON_NOTE;
+ }
+#else
+ return "Note";
+#endif
+}
+
+static EvAnnotation *
+ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot,
+ EvPage *page)
+{
+ EvAnnotation *ev_annot = NULL;
+ const gchar *unimplemented_annot = NULL;
+
+ switch (poppler_annot_get_annot_type (poppler_annot)) {
+ case POPPLER_ANNOT_TEXT: {
+ PopplerAnnotText *poppler_text;
+ EvAnnotationText *ev_annot_text;
+
+ poppler_text = POPPLER_ANNOT_TEXT (poppler_annot);
+
+ ev_annot = ev_annotation_text_new (page);
+
+ ev_annot_text = EV_ANNOTATION_TEXT (ev_annot);
+ ev_annotation_text_set_is_open (ev_annot_text,
+ poppler_annot_text_get_is_open (poppler_text));
+ ev_annotation_text_set_icon (ev_annot_text, get_annot_text_icon (poppler_text));
+ }
+ break;
+ case POPPLER_ANNOT_FILE_ATTACHMENT: {
+ PopplerAnnotFileAttachment *poppler_annot_attachment;
+ EvAnnotationAttachment *ev_annot_attachment;
+ PopplerAttachment *poppler_attachment;
+ gchar *data = NULL;
+ gsize size;
+ GError *error = NULL;
+
+ poppler_annot_attachment = POPPLER_ANNOT_FILE_ATTACHMENT (poppler_annot);
+ poppler_attachment = poppler_annot_file_attachment_get_attachment (poppler_annot_attachment);
+
+ if (poppler_attachment &&
+ attachment_save_to_buffer (poppler_attachment, &data, &size, &error)) {
+ EvAttachment *ev_attachment;
+
+ ev_attachment = ev_attachment_new (poppler_attachment->name,
+ poppler_attachment->description,
+ poppler_attachment->mtime,
+ poppler_attachment->ctime,
+ size, data);
+ ev_annot = ev_annotation_attachment_new (page, ev_attachment);
+ g_object_unref (ev_attachment);
+ } else if (error) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ if (poppler_attachment)
+ g_object_unref (poppler_attachment);
+ }
+ break;
+ case POPPLER_ANNOT_LINK:
+ case POPPLER_ANNOT_WIDGET:
+ /* Ignore link and widgets annots since they are already handled */
+ break;
+ default: {
+ GEnumValue *enum_value;
+
+ enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ANNOT_TYPE),
+ poppler_annot_get_annot_type (poppler_annot));
+ unimplemented_annot = enum_value ? enum_value->value_name : "Unknown annotation";
+ }
+ }
+
+ if (unimplemented_annot) {
+ g_warning ("Unimplemented annotation: %s, please post a "
+ "bug report in Evince bugzilla "
+ "(http://bugzilla.mate.org) with a testcase.",
+ unimplemented_annot);
+ }
+
+ if (ev_annot) {
+ time_t utime;
+ gchar *modified;
+ gchar *contents;
+ gchar *name;
+ GdkColor color;
+
+ contents = poppler_annot_get_contents (poppler_annot);
+ if (contents) {
+ ev_annotation_set_contents (ev_annot, contents);
+ g_free (contents);
+ }
+
+ name = poppler_annot_get_name (poppler_annot);
+ if (name) {
+ ev_annotation_set_name (ev_annot, name);
+ g_free (name);
+ }
+
+ modified = poppler_annot_get_modified (poppler_annot);
+ if (poppler_date_parse (modified, &utime)) {
+ ev_annotation_set_modified_from_time (ev_annot, utime);
+ } else {
+ ev_annotation_set_modified (ev_annot, modified);
+ }
+ g_free (modified);
+
+ poppler_annot_color_to_gdk_color (poppler_annot, &color);
+ ev_annotation_set_color (ev_annot, &color);
+
+ if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) {
+ PopplerAnnotMarkup *markup;
+ gchar *label;
+ gdouble opacity;
+ PopplerRectangle poppler_rect;
+
+ markup = POPPLER_ANNOT_MARKUP (poppler_annot);
+
+ if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) {
+ EvRectangle ev_rect;
+ gboolean is_open;
+ gdouble height;
+
+ poppler_page_get_size (POPPLER_PAGE (page->backend_page),
+ NULL, &height);
+ ev_rect.x1 = poppler_rect.x1;
+ ev_rect.x2 = poppler_rect.x2;
+ ev_rect.y1 = height - poppler_rect.y2;
+ ev_rect.y2 = height - poppler_rect.y1;
+
+ is_open = poppler_annot_markup_get_popup_is_open (markup);
+
+ g_object_set (ev_annot,
+ "rectangle", &ev_rect,
+ "popup_is_open", is_open,
+ "has_popup", TRUE,
+ NULL);
+ } else {
+ g_object_set (ev_annot,
+ "has_popup", FALSE,
+ NULL);
+ }
+
+ label = poppler_annot_markup_get_label (markup);
+ opacity = poppler_annot_markup_get_opacity (markup);
+
+ g_object_set (ev_annot,
+ "label", label,
+ "opacity", opacity,
+ NULL);
+
+ g_free (label);
+ }
+ }
+
+ return ev_annot;
+}
+
+static EvMappingList *
+pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
+ EvPage *page)
+{
+ GList *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ EvMappingList *mapping_list;
+ GList *annots;
+ GList *list;
+ gdouble height;
+ gint i = 0;
+
+ pdf_document = PDF_DOCUMENT (document_annotations);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ if (pdf_document->annots) {
+ mapping_list = (EvMappingList *)g_hash_table_lookup (pdf_document->annots,
+ GINT_TO_POINTER (page->index));
+ if (mapping_list)
+ return ev_mapping_list_ref (mapping_list);
+ }
+
+ annots = poppler_page_get_annot_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+
+ for (list = annots; list; list = list->next) {
+ PopplerAnnotMapping *mapping;
+ EvMapping *annot_mapping;
+ EvAnnotation *ev_annot;
+
+ mapping = (PopplerAnnotMapping *)list->data;
+
+ ev_annot = ev_annot_from_poppler_annot (mapping->annot, page);
+ if (!ev_annot)
+ continue;
+
+ i++;
+
+ /* Make sure annot has a unique name */
+ if (!ev_annotation_get_name (ev_annot)) {
+ gchar *name = g_strdup_printf ("annot-%d-%d", page->index, i);
+
+ ev_annotation_set_name (ev_annot, name);
+ g_free (name);
+ }
+
+ annot_mapping = g_new (EvMapping, 1);
+ annot_mapping->area.x1 = mapping->area.x1;
+ annot_mapping->area.x2 = mapping->area.x2;
+ annot_mapping->area.y1 = height - mapping->area.y2;
+ annot_mapping->area.y2 = height - mapping->area.y1;
+ annot_mapping->data = ev_annot;
+
+ g_object_set_data_full (G_OBJECT (ev_annot),
+ "poppler-annot",
+ g_object_ref (mapping->annot),
+ (GDestroyNotify) g_object_unref);
+
+ retval = g_list_prepend (retval, annot_mapping);
+ }
+
+ poppler_page_free_annot_mapping (annots);
+
+ if (!retval)
+ return NULL;
+
+ if (!pdf_document->annots) {
+ pdf_document->annots = g_hash_table_new_full (g_direct_hash,
+ g_direct_equal,
+ (GDestroyNotify)NULL,
+ (GDestroyNotify)ev_mapping_list_unref);
+ }
+
+ mapping_list = ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
+ g_hash_table_insert (pdf_document->annots,
+ GINT_TO_POINTER (page->index),
+ ev_mapping_list_ref (mapping_list));
+
+ return mapping_list;
+}
+
+static gboolean
+pdf_document_annotations_document_is_modified (EvDocumentAnnotations *document_annotations)
+{
+ return PDF_DOCUMENT (document_annotations)->annots_modified;
+}
+
+#ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
+static void
+pdf_document_annotations_add_annotation (EvDocumentAnnotations *document_annotations,
+ EvAnnotation *annot,
+ EvRectangle *rect)
+{
+ PopplerAnnot *poppler_annot;
+ PdfDocument *pdf_document;
+ EvPage *page;
+ PopplerPage *poppler_page;
+ GList *list = NULL;
+ EvMappingList *mapping_list;
+ EvMapping *annot_mapping;
+ PopplerRectangle poppler_rect;
+ gdouble height;
+ PopplerColor poppler_color;
+ GdkColor color;
+ time_t utime;
+ gchar *modified;
+ gchar *name;
+
+ pdf_document = PDF_DOCUMENT (document_annotations);
+ page = ev_annotation_get_page (annot);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+
+ poppler_page_get_size (poppler_page, NULL, &height);
+ poppler_rect.x1 = rect->x1;
+ poppler_rect.x2 = rect->x2;
+ poppler_rect.y1 = height - rect->y2;
+ poppler_rect.y2 = height - rect->y1;
+ poppler_annot = poppler_annot_text_new (pdf_document->document, &poppler_rect);
+
+ ev_annotation_get_color (annot, &color);
+ poppler_color.red = color.red;
+ poppler_color.green = color.green;
+ poppler_color.blue = color.blue;
+ poppler_annot_set_color (poppler_annot, &poppler_color);
+
+ if (EV_IS_ANNOTATION_MARKUP (annot)) {
+ EvAnnotationMarkup *markup = EV_ANNOTATION_MARKUP (annot);
+ const gchar *label;
+
+ if (ev_annotation_markup_has_popup (markup)) {
+ EvRectangle popup_rect;
+
+ ev_annotation_markup_get_rectangle (markup, &popup_rect);
+ poppler_rect.x1 = popup_rect.x1;
+ poppler_rect.x2 = popup_rect.x2;
+ poppler_rect.y1 = height - popup_rect.y2;
+ poppler_rect.y2 = height - popup_rect.y1;
+ poppler_annot_markup_set_popup (POPPLER_ANNOT_MARKUP (poppler_annot), &poppler_rect);
+ poppler_annot_markup_set_popup_is_open (POPPLER_ANNOT_MARKUP (poppler_annot),
+ ev_annotation_markup_get_popup_is_open (markup));
+ }
+
+ label = ev_annotation_markup_get_label (markup);
+ if (label)
+ poppler_annot_markup_set_label (POPPLER_ANNOT_MARKUP (poppler_annot), label);
+ }
+
+ if (EV_IS_ANNOTATION_TEXT (annot)) {
+ EvAnnotationText *text = EV_ANNOTATION_TEXT (annot);
+ EvAnnotationTextIcon icon;
+
+ icon = ev_annotation_text_get_icon (text);
+ poppler_annot_text_set_icon (POPPLER_ANNOT_TEXT (poppler_annot),
+ get_poppler_annot_text_icon (icon));
+ }
+ poppler_page_add_annot (poppler_page, poppler_annot);
+
+ annot_mapping = g_new (EvMapping, 1);
+ annot_mapping->area = *rect;
+ annot_mapping->data = annot;
+ g_object_set_data_full (G_OBJECT (annot),
+ "poppler-annot",
+ g_object_ref (poppler_annot),
+ (GDestroyNotify) g_object_unref);
+
+ if (pdf_document->annots) {
+ mapping_list = (EvMappingList *)g_hash_table_lookup (pdf_document->annots,
+ GINT_TO_POINTER (page->index));
+ list = ev_mapping_list_get_list (mapping_list);
+ name = g_strdup_printf ("annot-%d-%d", page->index, g_list_length (list) + 1);
+ ev_annotation_set_name (annot, name);
+ g_free (name);
+ list = g_list_append (list, annot_mapping);
+ } else {
+ pdf_document->annots = g_hash_table_new_full (g_direct_hash,
+ g_direct_equal,
+ (GDestroyNotify)NULL,
+ (GDestroyNotify)ev_mapping_list_unref);
+ name = g_strdup_printf ("annot-%d-0", page->index);
+ ev_annotation_set_name (annot, name);
+ g_free (name);
+ list = g_list_append (list, annot_mapping);
+ mapping_list = ev_mapping_list_new (page->index, list, (GDestroyNotify)g_object_unref);
+ g_hash_table_insert (pdf_document->annots,
+ GINT_TO_POINTER (page->index),
+ ev_mapping_list_ref (mapping_list));
+ }
+
+ pdf_document->annots_modified = TRUE;
+}
+#endif /* HAVE_POPPLER_PAGE_ADD_ANNOT */
+
+static void
+pdf_document_annotations_save_annotation (EvDocumentAnnotations *document_annotations,
+ EvAnnotation *annot,
+ EvAnnotationsSaveMask mask)
+{
+ PopplerAnnot *poppler_annot;
+
+ poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
+ if (!poppler_annot)
+ return;
+
+ if (mask & EV_ANNOTATIONS_SAVE_CONTENTS)
+ poppler_annot_set_contents (poppler_annot,
+ ev_annotation_get_contents (annot));
+
+#ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
+ if (mask & EV_ANNOTATIONS_SAVE_COLOR) {
+ PopplerColor color;
+ GdkColor ev_color;
+
+ ev_annotation_get_color (annot, &ev_color);
+ color.red = ev_color.red;
+ color.green = ev_color.green;
+ color.blue = ev_color.blue;
+ poppler_annot_set_color (poppler_annot, &color);
+ }
+
+ if (EV_IS_ANNOTATION_MARKUP (annot)) {
+ EvAnnotationMarkup *ev_markup = EV_ANNOTATION_MARKUP (annot);
+ PopplerAnnotMarkup *markup = POPPLER_ANNOT_MARKUP (poppler_annot);
+
+ if (mask & EV_ANNOTATIONS_SAVE_LABEL)
+ poppler_annot_markup_set_label (markup, ev_annotation_markup_get_label (ev_markup));
+ if (mask & EV_ANNOTATIONS_SAVE_OPACITY)
+ poppler_annot_markup_set_opacity (markup, ev_annotation_markup_get_opacity (ev_markup));
+ if (mask & EV_ANNOTATIONS_SAVE_POPUP_IS_OPEN)
+ poppler_annot_markup_set_popup_is_open (markup, ev_annotation_markup_get_popup_is_open (ev_markup));
+ }
+
+ if (EV_IS_ANNOTATION_TEXT (annot)) {
+ EvAnnotationText *ev_text = EV_ANNOTATION_TEXT (annot);
+ PopplerAnnotText *text = POPPLER_ANNOT_TEXT (poppler_annot);
+
+ if (mask & EV_ANNOTATIONS_SAVE_TEXT_IS_OPEN) {
+ poppler_annot_text_set_is_open (text,
+ ev_annotation_text_get_is_open (ev_text));
+ }
+ if (mask & EV_ANNOTATIONS_SAVE_TEXT_ICON) {
+ EvAnnotationTextIcon icon;
+
+ icon = ev_annotation_text_get_icon (ev_text);
+ poppler_annot_text_set_icon (text, get_poppler_annot_text_icon (icon));
+ }
+ }
+#endif /* HAVE_POPPLER_PAGE_ADD_ANNOT */
+ PDF_DOCUMENT (document_annotations)->annots_modified = TRUE;
+}
+
+static void
+pdf_document_document_annotations_iface_init (EvDocumentAnnotationsInterface *iface)
+{
+ iface->get_annotations = pdf_document_annotations_get_annotations;
+ iface->document_is_modified = pdf_document_annotations_document_is_modified;
+#ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
+ iface->add_annotation = pdf_document_annotations_add_annotation;
+#endif
+ iface->save_annotation = pdf_document_annotations_save_annotation;
+}
+
+/* Attachments */
+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_attachments_get_attachments (EvDocumentAttachments *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ GList *attachments;
+ GList *list;
+ GList *retval = 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 gboolean
+pdf_document_attachments_has_attachments (EvDocumentAttachments *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ return poppler_document_has_attachments (pdf_document->document);
+}
+
+static void
+pdf_document_document_attachments_iface_init (EvDocumentAttachmentsInterface *iface)
+{
+ iface->has_attachments = pdf_document_attachments_has_attachments;
+ iface->get_attachments = pdf_document_attachments_get_attachments;
+}
+
+/* Layers */
+static gboolean
+pdf_document_layers_has_layers (EvDocumentLayers *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerLayersIter *iter;
+
+ iter = poppler_layers_iter_new (pdf_document->document);
+ if (!iter)
+ return FALSE;
+ poppler_layers_iter_free (iter);
+
+ return TRUE;
+}
+
+static void
+build_layers_tree (PdfDocument *pdf_document,
+ GtkTreeModel *model,
+ GtkTreeIter *parent,
+ PopplerLayersIter *iter)
+{
+ do {
+ GtkTreeIter tree_iter;
+ PopplerLayersIter *child;
+ PopplerLayer *layer;
+ EvLayer *ev_layer = NULL;
+ gboolean visible;
+ gchar *markup;
+ gint rb_group = 0;
+
+ layer = poppler_layers_iter_get_layer (iter);
+ if (layer) {
+ markup = g_markup_escape_text (poppler_layer_get_title (layer), -1);
+ visible = poppler_layer_is_visible (layer);
+ rb_group = poppler_layer_get_radio_button_group_id (layer);
+ pdf_document->layers = g_list_append (pdf_document->layers,
+ g_object_ref (layer));
+ ev_layer = ev_layer_new (g_list_length (pdf_document->layers) - 1,
+ poppler_layer_is_parent (layer),
+ rb_group);
+ } else {
+ gchar *title;
+
+ title = poppler_layers_iter_get_title (iter);
+ markup = g_markup_escape_text (title, -1);
+ g_free (title);
+
+ visible = FALSE;
+ layer = NULL;
+ }
+
+ gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
+ gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
+ EV_DOCUMENT_LAYERS_COLUMN_TITLE, markup,
+ EV_DOCUMENT_LAYERS_COLUMN_VISIBLE, visible,
+ EV_DOCUMENT_LAYERS_COLUMN_ENABLED, TRUE, /* FIXME */
+ EV_DOCUMENT_LAYERS_COLUMN_SHOWTOGGLE, (layer != NULL),
+ EV_DOCUMENT_LAYERS_COLUMN_RBGROUP, rb_group,
+ EV_DOCUMENT_LAYERS_COLUMN_LAYER, ev_layer,
+ -1);
+ if (ev_layer)
+ g_object_unref (ev_layer);
+ g_free (markup);
+
+ child = poppler_layers_iter_get_child (iter);
+ if (child)
+ build_layers_tree (pdf_document, model, &tree_iter, child);
+ poppler_layers_iter_free (child);
+ } while (poppler_layers_iter_next (iter));
+}
+
+static GtkTreeModel *
+pdf_document_layers_get_layers (EvDocumentLayers *document)
+{
+ GtkTreeModel *model = NULL;
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerLayersIter *iter;
+
+ iter = poppler_layers_iter_new (pdf_document->document);
+ if (iter) {
+ model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LAYERS_N_COLUMNS,
+ G_TYPE_STRING, /* TITLE */
+ G_TYPE_OBJECT, /* LAYER */
+ G_TYPE_BOOLEAN, /* VISIBLE */
+ G_TYPE_BOOLEAN, /* ENABLED */
+ G_TYPE_BOOLEAN, /* SHOWTOGGLE */
+ G_TYPE_INT); /* RBGROUP */
+ build_layers_tree (pdf_document, model, NULL, iter);
+ poppler_layers_iter_free (iter);
+ }
+ return model;
+}
+
+static void
+pdf_document_layers_show_layer (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ poppler_layer_show (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static void
+pdf_document_layers_hide_layer (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ poppler_layer_hide (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static gboolean
+pdf_document_layers_layer_is_visible (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ return poppler_layer_is_visible (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static void
+pdf_document_document_layers_iface_init (EvDocumentLayersInterface *iface)
+{
+ iface->has_layers = pdf_document_layers_has_layers;
+ iface->get_layers = pdf_document_layers_get_layers;
+ iface->show_layer = pdf_document_layers_show_layer;
+ iface->hide_layer = pdf_document_layers_hide_layer;
+ iface->layer_is_visible = pdf_document_layers_layer_is_visible;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 18:21:33 +0000