From f6ce926719943751cf65cacde7fae050593eb2d6 Mon Sep 17 00:00:00 2001 From: Perberos Date: Wed, 9 Nov 2011 18:17:43 -0300 Subject: inicial --- backend/pdf/Makefile.am | 34 + backend/pdf/ev-poppler.cc | 3290 +++++++++++++++++++++++++++++ backend/pdf/ev-poppler.h | 40 + backend/pdf/pdfdocument.evince-backend.in | 6 + 4 files changed, 3370 insertions(+) create mode 100644 backend/pdf/Makefile.am create mode 100644 backend/pdf/ev-poppler.cc create mode 100644 backend/pdf/ev-poppler.h create mode 100644 backend/pdf/pdfdocument.evince-backend.in (limited to 'backend/pdf') diff --git a/backend/pdf/Makefile.am b/backend/pdf/Makefile.am new file mode 100644 index 00000000..725a512c --- /dev/null +++ b/backend/pdf/Makefile.am @@ -0,0 +1,34 @@ +INCLUDES = \ + -I$(top_srcdir) \ + -I$(top_srcdir)/libdocument \ + -DMATELOCALEDIR=\"$(datadir)/locale\" \ + -DEVINCE_COMPILATION \ + $(BACKEND_CFLAGS) \ + $(POPPLER_CFLAGS) \ + $(WARN_CXXFLAGS) \ + $(DISABLE_DEPRECATED) + +backend_LTLIBRARIES = libpdfdocument.la + +libpdfdocument_la_SOURCES = \ + ev-poppler.cc \ + ev-poppler.h + +libpdfdocument_la_LDFLAGS = $(BACKEND_LIBTOOL_FLAGS) +libpdfdocument_la_LIBADD = \ + $(top_builddir)/libdocument/libevdocument.la \ + $(BACKEND_LIBS) \ + $(POPPLER_LIBS) \ + $(CAIRO_PDF_LIBS) \ + $(CAIRO_PS_LIBS) + +backend_in_files = pdfdocument.evince-backend.in +backend_DATA = $(backend_in_files:.evince-backend.in=.evince-backend) + +EXTRA_DIST = $(backend_in_files) + +CLEANFILES = $(backend_DATA) + +@EV_INTLTOOL_EVINCE_BACKEND_RULE@ + +-include $(top_srcdir)/git.mk diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc new file mode 100644 index 00000000..e2abb55d --- /dev/null +++ b/backend/pdf/ev-poppler.cc @@ -0,0 +1,3290 @@ +/* -*- 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 + * 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 +#include +#include +#include +#include +#include +#ifdef HAVE_CAIRO_PDF +#include +#endif +#ifdef HAVE_CAIRO_PS +#include +#endif +#include + +#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 +#include +#include +#include + +#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; +} diff --git a/backend/pdf/ev-poppler.h b/backend/pdf/ev-poppler.h new file mode 100644 index 00000000..f37f2268 --- /dev/null +++ b/backend/pdf/ev-poppler.h @@ -0,0 +1,40 @@ +/* pdfdocument.h: Implementation of EvDocument for PDF + * Copyright (C) 2004, Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __PDF_DOCUMENT_H__ +#define __PDF_DOCUMENT_H__ + +#include "ev-document.h" + +G_BEGIN_DECLS + +#define PDF_TYPE_DOCUMENT (pdf_document_get_type ()) +#define PDF_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PDF_TYPE_DOCUMENT, PdfDocument)) +#define PDF_IS_DOCUMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PDF_TYPE_DOCUMENT)) + +typedef struct _PdfDocument PdfDocument; +typedef struct _PdfDocumentClass PdfDocumentClass; + +GType pdf_document_get_type (void) G_GNUC_CONST; + +G_MODULE_EXPORT GType register_evince_backend (GTypeModule *module); + + +G_END_DECLS + +#endif /* __PDF_DOCUMENT_H__ */ diff --git a/backend/pdf/pdfdocument.evince-backend.in b/backend/pdf/pdfdocument.evince-backend.in new file mode 100644 index 00000000..d2b55ddc --- /dev/null +++ b/backend/pdf/pdfdocument.evince-backend.in @@ -0,0 +1,6 @@ +[Evince Backend] +Module=pdfdocument +Resident=true +_TypeDescription=PDF Documents +MimeType=application/pdf;application/x-bzpdf;application/x-gzpdf;application/x-ext-pdf + -- cgit v1.2.1