/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
-/* pdfdocument.h: Implementation of EvDocument for PDF
+/* this file is part of evince, a gnome document viewer
+ *
+ * Copyright (C) 2009, Juanjo Marín <juanj.marin@juntadeandalucia.es>
* Copyright (C) 2004, Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
#ifdef HAVE_CAIRO_PS
#include <cairo-ps.h>
#endif
-#include <glib/gi18n.h>
+#include <glib/gi18n-lib.h>
#include "ev-poppler.h"
#include "ev-file-exporter.h"
+#include "ev-mapping.h"
#include "ev-document-find.h"
#include "ev-document-misc.h"
#include "ev-document-links.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-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_POPPLER_PAGE_RENDER)) && (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 {
PdfDocument *document;
char *text;
struct _PdfDocumentClass
{
- GObjectClass parent_class;
+ EvDocumentClass parent_class;
};
struct _PdfDocument
{
- GObject parent_instance;
+ EvDocument parent_instance;
PopplerDocument *document;
gchar *password;
+ gboolean modified;
PopplerFontInfo *font_info;
PopplerFontsIter *fonts_iter;
PdfDocumentSearch *search;
PdfPrintContext *print_ctx;
+
+ GList *layers;
};
-static void pdf_document_document_iface_init (EvDocumentIface *iface);
-static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface);
-static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
-static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface);
-static void pdf_document_document_images_iface_init (EvDocumentImagesIface *iface);
-static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface);
-static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
-static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
-static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
-static void pdf_selection_iface_init (EvSelectionIface *iface);
-static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface);
-static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
- 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_document_search_free (PdfDocumentSearch *search);
-static void pdf_print_context_free (PdfPrintContext *ctx);
+static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface);
+static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface);
+static void pdf_document_document_images_iface_init (EvDocumentImagesIface *iface);
+static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface);
+static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
+static void pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface);
+#ifdef HAVE_POPPLER_PAGE_RENDER
+static void pdf_document_document_print_iface_init (EvDocumentPrintIface *iface);
+#endif
+static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface);
+static void pdf_document_document_attachments_iface_init (EvDocumentAttachmentsIface *iface);
+static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
+static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
+static void pdf_selection_iface_init (EvSelectionIface *iface);
+static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface);
+static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
+ 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_document_search_free (PdfDocumentSearch *search);
+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,
{
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);
+#ifdef HAVE_POPPLER_PAGE_RENDER
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_PRINT,
+ pdf_document_document_print_iface_init);
+#endif
+ 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,
poppler_fonts_iter_free (pdf_document->fonts_iter);
}
- G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
-}
-
-static void
-pdf_document_class_init (PdfDocumentClass *klass)
-{
- GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ if (pdf_document->layers) {
+ g_list_foreach (pdf_document->layers, (GFunc)g_object_unref, NULL);
+ g_list_free (pdf_document->layers);
+ }
- g_object_class->dispose = pdf_document_dispose;
+ G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
}
static void
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_set_error (error,
- EV_DOCUMENT_ERROR,
- code,
- poppler_error->message,
- NULL);
+ g_error_free (poppler_error);
} else {
g_propagate_error (error, poppler_error);
}
const char *uri,
GError **error)
{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
gboolean retval;
GError *poppler_error = NULL;
- retval = poppler_document_save (PDF_DOCUMENT (document)->document,
- uri,
- &poppler_error);
+ if (pdf_document->modified) {
+ retval = poppler_document_save (pdf_document->document,
+ uri, &poppler_error);
+ } else {
+ retval = poppler_document_save_a_copy (pdf_document->document,
+ uri, &poppler_error);
+ }
+
if (! retval)
convert_error (poppler_error, error);
return label;
}
-static gboolean
-pdf_document_has_attachments (EvDocument *document)
-{
- PdfDocument *pdf_document;
-
- pdf_document = PDF_DOCUMENT (document);
-
- return poppler_document_has_attachments (pdf_document->document);
-}
-
-struct SaveToBufferData {
- gchar *buffer;
- gsize len, max;
-};
-
-static gboolean
-attachment_save_to_buffer_callback (const gchar *buf,
- gsize count,
- gpointer user_data,
- GError **error)
-{
- struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
- gchar *new_buffer;
- gsize new_max;
-
- if (sdata->len + count > sdata->max) {
- new_max = MAX (sdata->max * 2, sdata->len + count);
- new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
-
- sdata->buffer = new_buffer;
- sdata->max = new_max;
- }
-
- memcpy (sdata->buffer + sdata->len, buf, count);
- sdata->len += count;
-
- return TRUE;
-}
-
-static gboolean
-attachment_save_to_buffer (PopplerAttachment *attachment,
- gchar **buffer,
- gsize *buffer_size,
- GError **error)
-{
- static const gint initial_max = 1024;
- struct SaveToBufferData sdata;
-
- *buffer = NULL;
- *buffer_size = 0;
-
- sdata.buffer = (gchar *) g_malloc (initial_max);
- sdata.max = initial_max;
- sdata.len = 0;
-
- if (! poppler_attachment_save_to_callback (attachment,
- attachment_save_to_buffer_callback,
- &sdata,
- error)) {
- g_free (sdata.buffer);
- return FALSE;
- }
-
- *buffer = sdata.buffer;
- *buffer_size = sdata.len;
-
- return TRUE;
-}
-
-static GList *
-pdf_document_get_attachments (EvDocument *document)
-{
- PdfDocument *pdf_document;
- GList *attachments;
- GList *list;
- GList *retval = NULL;
-
- pdf_document = PDF_DOCUMENT (document);
-
- if (!pdf_document_has_attachments (document))
- return NULL;
-
- attachments = poppler_document_get_attachments (pdf_document->document);
-
- for (list = attachments; list; list = list->next) {
- PopplerAttachment *attachment;
- EvAttachment *ev_attachment;
- gchar *data = NULL;
- gsize size;
- GError *error = NULL;
-
- attachment = (PopplerAttachment *) list->data;
-
- if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
- ev_attachment = ev_attachment_new (attachment->name,
- attachment->description,
- attachment->mtime,
- attachment->ctime,
- size, data);
-
- retval = g_list_prepend (retval, ev_attachment);
- } else {
- if (error) {
- g_warning ("%s", error->message);
- g_error_free (error);
-
- g_free (data);
- }
- }
-
- g_object_unref (attachment);
- }
-
- return g_list_reverse (retval);
-}
-
static cairo_surface_t *
pdf_page_render (PopplerPage *page,
gint width,
#ifdef HAVE_POPPLER_PAGE_RENDER
cairo_t *cr;
-
- surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width, height);
- memset (cairo_image_surface_get_data (surface), 0xff,
- cairo_image_surface_get_height (surface) *
- cairo_image_surface_get_stride (surface));
-
cr = cairo_create (surface);
+
switch (rc->rotation) {
case 90:
cairo_translate (cr, width, 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);
#else /* HAVE_POPPLER_PAGE_RENDER */
GdkPixbuf *pixbuf;
width, height, rc);
}
-/* EvDocumentSecurity */
-
-static gboolean
-pdf_document_has_document_security (EvDocumentSecurity *document_security)
+/* 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)
{
- /* FIXME: do we really need to have this? */
- return FALSE;
+ 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_set_password (EvDocumentSecurity *document_security,
- const char *password)
+pdf_document_parse_metadata (const gchar *metadata,
+ EvDocumentInfo *info)
{
- PdfDocument *document = PDF_DOCUMENT (document_security);
+ xmlDocPtr doc;
+ xmlXPathContextPtr xpathCtx;
+ gchar *fmt;
- if (document->password)
- g_free (document->password);
+ doc = xmlParseMemory (metadata, strlen (metadata));
+ if (doc == NULL)
+ return; /* invalid xml metadata */
- document->password = g_strdup (password);
+ 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)
{
PopplerViewerPreferences view_prefs;
PopplerPermissions permissions;
EvPage *page;
+ char *metadata;
info = g_new0 (EvDocumentInfo, 1);
EV_DOCUMENT_INFO_LINEARIZED |
EV_DOCUMENT_INFO_N_PAGES |
EV_DOCUMENT_INFO_SECURITY |
- EV_DOCUMENT_INFO_PAPER_SIZE;
+ EV_DOCUMENT_INFO_PAPER_SIZE |
+ EV_DOCUMENT_INFO_LICENSE;
g_object_get (PDF_DOCUMENT (document)->document,
"title", &(info->title),
"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) {
- page = ev_document_get_page (document, 0);
- ev_document_get_page_size (document, page,
+ ev_document_get_page_size (document, 0,
&(info->paper_width),
&(info->paper_height));
- g_object_unref (page);
-
-
// Convert to mm.
info->paper_width = info->paper_width / 72.0f * 25.4f;
info->paper_height = info->paper_height / 72.0f * 25.4f;
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 void
-pdf_document_document_iface_init (EvDocumentIface *iface)
-{
- iface->save = pdf_document_save;
- iface->load = pdf_document_load;
- iface->get_n_pages = pdf_document_get_n_pages;
- iface->get_page = pdf_document_get_page;
- iface->get_page_size = pdf_document_get_page_size;
- iface->get_page_label = pdf_document_get_page_label;
- iface->has_attachments = pdf_document_has_attachments;
- iface->get_attachments = pdf_document_get_attachments;
- iface->render = pdf_document_render;
- iface->get_info = pdf_document_get_info;
-};
+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;
+}
+
+/* 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 (EvDocumentSecurityIface *iface)
poppler_page_get_size (poppler_page, NULL, &height);
ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
dest->left,
- height - dest->top,
+ height - MIN (height, dest->top),
dest->zoom,
dest->change_left,
dest->change_top,
g_object_unref (poppler_page);
}
break;
- case POPPLER_DEST_FIT:
+ 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;
MAX (0, dest->page_num - 1));
poppler_page_get_size (poppler_page, NULL, &height);
ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
- height - dest->top,
+ 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,
poppler_page_get_size (poppler_page, NULL, &height);
ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
dest->left,
- height - dest->bottom,
+ height - MIN (height, dest->bottom),
dest->right,
- height - dest->top);
+ height - MIN (height, dest->top));
g_object_unref (poppler_page);
}
break;
- case POPPLER_DEST_FITB:
- unimplemented_dest = "POPPLER_DEST_FITB";
- break;
- case POPPLER_DEST_FITBH:
- unimplemented_dest = "POPPLER_DEST_FITBH";
- break;
- case POPPLER_DEST_FITBV:
- unimplemented_dest = "POPPLER_DEST_FITBV";
- break;
case POPPLER_DEST_NAMED:
ev_dest = ev_link_dest_new_named (dest->named_dest);
break;
static GList *
pdf_document_links_get_links (EvDocumentLinks *document_links,
- gint page)
+ EvPage *page)
{
PdfDocument *pdf_document;
PopplerPage *poppler_page;
double height;
pdf_document = PDF_DOCUMENT (document_links);
- poppler_page = poppler_document_get_page (pdf_document->document,
- page);
+ 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;
- EvLinkMapping *ev_link_mapping;
+ EvMapping *ev_link_mapping;
link_mapping = (PopplerLinkMapping *)list->data;
- ev_link_mapping = g_new (EvLinkMapping, 1);
- ev_link_mapping->link = ev_link_from_action (pdf_document,
+ ev_link_mapping = g_new (EvMapping, 1);
+ ev_link_mapping->data = ev_link_from_action (pdf_document,
link_mapping->action);
- ev_link_mapping->x1 = link_mapping->area.x1;
- ev_link_mapping->x2 = link_mapping->area.x2;
+ 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->y1 = height - link_mapping->area.y2;
- ev_link_mapping->y2 = height - link_mapping->area.y1;
+ 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);
- g_object_unref (poppler_page);
return g_list_reverse (retval);
}
static GList *
pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
- gint page)
+ EvPage *page)
{
GList *retval = NULL;
PdfDocument *pdf_document;
GList *list;
pdf_document = PDF_DOCUMENT (document_images);
- poppler_page = poppler_document_get_page (pdf_document->document, page);
+ 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;
- EvImageMapping *ev_image_mapping;
+ EvMapping *ev_image_mapping;
image_mapping = (PopplerImageMapping *)list->data;
- ev_image_mapping = g_new (EvImageMapping, 1);
+ ev_image_mapping = g_new (EvMapping, 1);
- ev_image_mapping->image = ev_image_new (page, image_mapping->image_id);
- ev_image_mapping->x1 = image_mapping->area.x1;
- ev_image_mapping->x2 = image_mapping->area.x2;
- ev_image_mapping->y1 = image_mapping->area.y1;
- ev_image_mapping->y2 = image_mapping->area.y2;
+ 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);
- g_object_unref (poppler_page);
return g_list_reverse (retval);
}
pdf_document_images_get_image (EvDocumentImages *document_images,
EvImage *image)
{
+ GdkPixbuf *retval = NULL;
+#ifdef HAVE_POPPLER_PAGE_GET_IMAGE
PdfDocument *pdf_document;
PopplerPage *poppler_page;
cairo_surface_t *surface;
- GdkPixbuf *retval = NULL;
pdf_document = PDF_DOCUMENT (document_images);
poppler_page = poppler_document_get_page (pdf_document->document,
}
g_object_unref (poppler_page);
-
+#endif
return retval;
}
}
static GdkPixbuf *
-make_thumbnail_for_page (PdfDocument *pdf_document,
- PopplerPage *poppler_page,
- EvRenderContext *rc)
+make_thumbnail_for_page (PopplerPage *poppler_page,
+ EvRenderContext *rc,
+ gint width,
+ gint height)
{
GdkPixbuf *pixbuf;
- int width, height;
- pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
- rc, &width, &height);
#ifdef POPPLER_WITH_GDK
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
width, height);
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
}
#endif /* POPPLER_WITH_GDK */
- if (pixbuf) {
- /* Rotate provided thumbnail if needed */
- GdkPixbuf *rotated_pixbuf;
+ if (pixbuf != NULL) {
+ int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ?
+ gdk_pixbuf_get_height (pixbuf) :
+ gdk_pixbuf_get_width (pixbuf);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
- (GdkPixbufRotation) (360 - rc->rotation));
- g_object_unref (pixbuf);
- pixbuf = rotated_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 (pdf_document, poppler_page, rc);
+ /* There is no provided thumbnail. We need to make one. */
+ pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
}
- if (border) {
+ if (border && pixbuf) {
border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
g_object_unref (pixbuf);
pixbuf = border_pixbuf;
gint *width,
gint *height)
{
- PopplerPage *poppler_page;
- gint has_thumb;
+ double page_width, page_height;
- poppler_page = POPPLER_PAGE (rc->page->backend_page);
-
- has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
-
- if (!has_thumb || *width <= 0 || *height <= 0) {
- double page_width, page_height;
-
- poppler_page_get_size (poppler_page, &page_width, &page_height);
-
- *width = (gint) MAX (page_width * rc->scale, 1);
- *height = (gint) MAX (page_height * rc->scale, 1);
- }
+ 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;
iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
}
+#ifdef HAVE_POPPLER_PAGE_RENDER
+/* 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 (EvDocumentPrintIface *iface)
+{
+ iface->print_page = pdf_document_print_print_page;
+}
+#endif /* HAVE_POPPLER_PAGE_RENDER */
+
static void
pdf_selection_render_selection (EvSelection *selection,
EvRenderContext *rc,
}
static GdkRegion *
-pdf_selection_get_selection_map (EvSelection *selection,
- EvRenderContext *rc)
+pdf_selection_get_selection_map (EvSelection *selection,
+ EvPage *page)
{
PopplerPage *poppler_page;
PopplerRectangle points;
GList *region;
GdkRegion *retval;
- poppler_page = POPPLER_PAGE (rc->page->backend_page);
+ poppler_page = POPPLER_PAGE (page->backend_page);
points.x1 = 0.0;
points.y1 = 0.0;
for (list = fields; list; list = list->next) {
PopplerFormFieldMapping *mapping;
- EvFormFieldMapping *field_mapping;
+ EvMapping *field_mapping;
EvFormField *ev_field;
mapping = (PopplerFormFieldMapping *)list->data;
if (!ev_field)
continue;
- field_mapping = g_new0 (EvFormFieldMapping, 1);
- field_mapping->x1 = mapping->area.x1;
- field_mapping->x2 = mapping->area.x2;
- field_mapping->y1 = height - mapping->area.y2;
- field_mapping->y2 = height - mapping->area.y1;
- field_mapping->field = ev_field;
- field_mapping->field->page = EV_PAGE (g_object_ref (page));
+ 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",
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)->modified = TRUE;
}
static void
return;
poppler_form_field_button_set_state (poppler_field, state);
+ PDF_DOCUMENT (document)->modified = TRUE;
}
static gboolean
return;
poppler_form_field_choice_select_item (poppler_field, index);
+ PDF_DOCUMENT (document)->modified = TRUE;
}
static void
return;
poppler_form_field_choice_toggle_item (poppler_field, index);
+ PDF_DOCUMENT (document)->modified = TRUE;
}
static void
return;
poppler_form_field_choice_unselect_all (poppler_field);
+ PDF_DOCUMENT (document)->modified = TRUE;
}
static void
return;
poppler_form_field_choice_set_text (poppler_field, text);
+ PDF_DOCUMENT (document)->modified = TRUE;
}
static gchar *
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 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_annot_text->is_open = poppler_annot_text_get_is_open (poppler_text);
+ }
+ break;
+#ifdef HAVE_POPPLER_ANNOT_FILE_ATTACHMENT_GET_ATTACHMENT
+ 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;
+#endif /* HAVE_POPPLER_ANNOT_FILE_ATTACHMENT_GET_ATTACHMENT */
+ 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.gnome.org) with a testcase.",
+ unimplemented_annot);
+ }
+
+ if (ev_annot) {
+ ev_annot->contents = poppler_annot_get_contents (poppler_annot);
+ ev_annot->name = poppler_annot_get_name (poppler_annot);
+ ev_annot->modified = poppler_annot_get_modified (poppler_annot);
+ poppler_annot_color_to_gdk_color (poppler_annot, &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,
+ "is_open", is_open,
+ "has_popup", TRUE,
+ NULL);
+ } else {
+ /* FIXME: Use poppler_annot_markup_has_popup() when
+ * new poppler is released.
+ */
+ 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 GList *
+pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
+ EvPage *page)
+{
+ GList *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *annots;
+ GList *list;
+ gdouble height;
+ gint i = 0;
+
+ pdf_document = PDF_DOCUMENT (document_annotations);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ 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_annot->name)
+ ev_annot->name = g_strdup_printf ("annot-%d-%d", page->index, i);
+
+ 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);
+
+ return g_list_reverse (retval);
+}
+
+static void
+pdf_document_annotations_annotation_set_contents (EvDocumentAnnotations *document,
+ EvAnnotation *annot,
+ const gchar *contents)
+{
+ PopplerAnnot *poppler_annot;
+
+ poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
+ if (!poppler_annot)
+ return;
+
+ poppler_annot_set_contents (poppler_annot, contents);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface)
+{
+ iface->get_annotations = pdf_document_annotations_get_annotations;
+ iface->annotation_set_contents = pdf_document_annotations_annotation_set_contents;
+}
+
+/* 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 (EvDocumentAttachmentsIface *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 (EvDocumentLayersIface *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;
+}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff