+/* -*- 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;

+}