X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fpdf%2Fev-poppler.cc;h=8659d082db5803e15de872accd155f470ae75c3c;hb=2297bff1e7d745f0f837d44feeda03244368d7f1;hp=38a96a533a4d75fd4b397513fce56e06a48bdbad;hpb=85fa11d86616d3a9c5a5cfeba78dd7aa72e7997a;p=evince.git diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc index 38a96a53..8659d082 100644 --- a/backend/pdf/ev-poppler.cc +++ b/backend/pdf/ev-poppler.cc @@ -1,5 +1,7 @@ /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* pdfdocument.h: Implementation of EvDocument for PDF +/* this file is part of evince, a gnome document viewer + * + * Copyright (C) 2009, Juanjo Marín * Copyright (C) 2004, Red Hat, Inc. * * This program is free software; you can redistribute it and/or modify @@ -14,15 +16,11 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "config.h" -#ifdef HAVE_POPPLER_FORM_FIELD_BUTTON_GET_BUTTON_TYPE -#define HAVE_FORMS -#endif - #include #include #include @@ -35,10 +33,11 @@ #ifdef HAVE_CAIRO_PS #include #endif -#include +#include #include "ev-poppler.h" #include "ev-file-exporter.h" +#include "ev-mapping.h" #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-document-links.h" @@ -48,147 +47,133 @@ #include "ev-document-thumbnails.h" #include "ev-document-transition.h" #include "ev-document-forms.h" +#include "ev-document-layers.h" +#include "ev-document-print.h" +#include "ev-document-annotations.h" +#include "ev-document-attachments.h" #include "ev-selection.h" +#include "ev-transition-effect.h" #include "ev-attachment.h" #include "ev-image.h" -#if defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS) +#include +#include +#include +#include + +#if (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS)) #define HAVE_CAIRO_PRINT #endif -typedef struct { - PdfDocument *document; - char *text; - GList **pages; - guint idle; - int start_page; - int search_page; -} PdfDocumentSearch; +/* 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; - PopplerPSFile *ps_file; /* Pages per sheet */ gint pages_per_sheet; gint pages_printed; gint pages_x; gint pages_y; - gdouble page_width; - gdouble page_height; + gdouble paper_width; + gdouble paper_height; #ifdef HAVE_CAIRO_PRINT cairo_t *cr; +#else + PopplerPSFile *ps_file; #endif } PdfPrintContext; struct _PdfDocumentClass { - GObjectClass parent_class; + EvDocumentClass parent_class; }; struct _PdfDocument { - GObject parent_instance; + EvDocument parent_instance; PopplerDocument *document; gchar *password; + gboolean modified; PopplerFontInfo *font_info; PopplerFontsIter *fonts_iter; int fonts_scanned_pages; - PdfDocumentSearch *search; PdfPrintContext *print_ctx; + + GList *layers; }; -static void pdf_document_document_iface_init (EvDocumentIface *iface); -static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface); -static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); -static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface); -static void pdf_document_document_images_iface_init (EvDocumentImagesIface *iface); -static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface); -static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface); -static void pdf_document_find_iface_init (EvDocumentFindIface *iface); -static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface); -static void pdf_selection_iface_init (EvSelectionIface *iface); -static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface); -static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, - EvRenderContext *rc, - gint *width, - gint *height); -static int pdf_document_get_n_pages (EvDocument *document); - -static EvLinkDest *ev_link_dest_from_dest (PdfDocument *pdf_document, - PopplerDest *dest); -static EvLink *ev_link_from_action (PdfDocument *pdf_document, - PopplerAction *action); -static void pdf_document_search_free (PdfDocumentSearch *search); -static void pdf_print_context_free (PdfPrintContext *ctx); - -G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, - { - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, - pdf_document_document_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY, - pdf_document_security_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, - pdf_document_document_thumbnails_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, - pdf_document_document_links_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES, - pdf_document_document_images_iface_init); -#ifdef HAVE_FORMS - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS, - pdf_document_document_forms_iface_init); -#endif /* HAVE_FORMS */ - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS, - pdf_document_document_fonts_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, - pdf_document_find_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, - pdf_document_file_exporter_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, - pdf_selection_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION, - pdf_document_page_transition_iface_init); +static void 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_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); }); - -static void -set_rc_data (PdfDocument *pdf_document, - EvRenderContext *rc) -{ - if (rc->data == NULL) { - rc->data = poppler_document_get_page (pdf_document->document, - rc->page); - rc->destroy = g_object_unref; - } else { - g_assert (rc->page == poppler_page_get_index (POPPLER_PAGE (rc->data))); - } -} - -static void -pdf_document_search_free (PdfDocumentSearch *search) -{ - PdfDocument *pdf_document = search->document; - int n_pages; - int i; - - if (search->idle != 0) - g_source_remove (search->idle); - - n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document)); - for (i = 0; i < n_pages; i++) { - g_list_foreach (search->pages[i], (GFunc) g_free, NULL); - g_list_free (search->pages[i]); - } - g_free (search->pages); - - g_free (search->text); - g_free (search); -} - static void pdf_document_dispose (GObject *object) { @@ -198,11 +183,6 @@ pdf_document_dispose (GObject *object) pdf_print_context_free (pdf_document->print_ctx); pdf_document->print_ctx = NULL; } - - if (pdf_document->search) { - pdf_document_search_free (pdf_document->search); - pdf_document->search = NULL; - } if (pdf_document->document) { g_object_unref (pdf_document->document); @@ -216,15 +196,12 @@ pdf_document_dispose (GObject *object) poppler_fonts_iter_free (pdf_document->fonts_iter); } - G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object); -} - -static void -pdf_document_class_init (PdfDocumentClass *klass) -{ - GObjectClass *g_object_class = G_OBJECT_CLASS (klass); + if (pdf_document->layers) { + g_list_foreach (pdf_document->layers, (GFunc)g_object_unref, NULL); + g_list_free (pdf_document->layers); + } - g_object_class->dispose = pdf_document_dispose; + G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object); } static void @@ -248,12 +225,12 @@ convert_error (GError *poppler_error, else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED) code = EV_DOCUMENT_ERROR_ENCRYPTED; + g_set_error_literal (error, + EV_DOCUMENT_ERROR, + code, + poppler_error->message); - g_set_error (error, - EV_DOCUMENT_ERROR, - code, - poppler_error->message, - NULL); + g_error_free (poppler_error); } else { g_propagate_error (error, poppler_error); } @@ -266,12 +243,18 @@ pdf_document_save (EvDocument *document, const char *uri, GError **error) { + PdfDocument *pdf_document = PDF_DOCUMENT (document); gboolean retval; GError *poppler_error = NULL; - retval = poppler_document_save (PDF_DOCUMENT (document)->document, - uri, - &poppler_error); + if (pdf_document->modified) { + retval = poppler_document_save (pdf_document->document, + uri, &poppler_error); + } else { + retval = poppler_document_save_a_copy (pdf_document->document, + uri, &poppler_error); + } + if (! retval) convert_error (poppler_error, error); @@ -303,259 +286,346 @@ pdf_document_get_n_pages (EvDocument *document) return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document); } -static void -pdf_document_get_page_size (EvDocument *document, - int page, - double *width, - double *height) +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, page); - poppler_page_get_size (poppler_page, width, height); + 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, - int page) + EvPage *page) { - PopplerPage *poppler_page; char *label = NULL; - poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document, - page); + g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL); - g_object_get (G_OBJECT (poppler_page), + g_object_get (G_OBJECT (page->backend_page), "label", &label, NULL); - g_object_unref (poppler_page); - return label; } -static gboolean -pdf_document_has_attachments (EvDocument *document) +static cairo_surface_t * +pdf_page_render (PopplerPage *page, + gint width, + gint height, + EvRenderContext *rc) { - PdfDocument *pdf_document; + cairo_surface_t *surface; + cairo_t *cr; - pdf_document = PDF_DOCUMENT (document); + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + width, height); + cr = cairo_create (surface); - return poppler_document_has_attachments (pdf_document->document); -} + 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); -struct SaveToBufferData { - gchar *buffer; - gsize len, max; -}; + cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER); + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); -static gboolean -attachment_save_to_buffer_callback (const gchar *buf, - gsize count, - gpointer user_data, - GError **error) + cairo_destroy (cr); + + return surface; +} + +static cairo_surface_t * +pdf_document_render (EvDocument *document, + EvRenderContext *rc) { - struct SaveToBufferData *sdata = (SaveToBufferData *)user_data; - gchar *new_buffer; - gsize new_max; + PdfDocument *pdf_document; + PopplerPage *poppler_page; + double width_points, height_points; + gint width, height; - if (sdata->len + count > sdata->max) { - new_max = MAX (sdata->max * 2, sdata->len + count); - new_buffer = (gchar *)g_realloc (sdata->buffer, new_max); + poppler_page = POPPLER_PAGE (rc->page->backend_page); - sdata->buffer = new_buffer; - sdata->max = new_max; - } + poppler_page_get_size (poppler_page, + &width_points, &height_points); - memcpy (sdata->buffer + sdata->len, buf, count); - sdata->len += count; + 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 TRUE; + return pdf_page_render (poppler_page, + width, height, rc); } -static gboolean -attachment_save_to_buffer (PopplerAttachment *attachment, - gchar **buffer, - gsize *buffer_size, - GError **error) +/* 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) { - static const gint initial_max = 1024; - struct SaveToBufferData sdata; + xmlXPathObjectPtr xpathObj; + xmlChar *part = NULL; + xmlChar *conf = NULL; + char *result = NULL; + int i; - *buffer = NULL; - *buffer_size = 0; + /* 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/"); - sdata.buffer = (gchar *) g_malloc (initial_max); - sdata.max = initial_max; - sdata.len = 0; + /* 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]); - if (! poppler_attachment_save_to_callback (attachment, - attachment_save_to_buffer_callback, - &sdata, - error)) { - g_free (sdata.buffer); - return FALSE; + 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); + } } - *buffer = sdata.buffer; - *buffer_size = sdata.len; - - return TRUE; -} + /* 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]); -static GList * -pdf_document_get_attachments (EvDocument *document) -{ - PdfDocument *pdf_document; - GList *attachments; - GList *list; - GList *retval = NULL; + 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); + } + } - pdf_document = PDF_DOCUMENT (document); + if (part != NULL && conf != NULL) { + /* makes conf lowercase */ + for (i = 0; conf[i]; i++) + conf[i] = g_ascii_tolower (conf[i]); - if (!pdf_document_has_attachments (document)) - return NULL; + /* return buffer */ + result = g_strdup_printf ("PDF/A - %s%s", part, conf); + } - 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; + /* Cleanup */ + xmlFree (part); + xmlFree (conf); - attachment = (PopplerAttachment *) list->data; + return result; +} - 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); +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); + } - g_free (data); + /* 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); } - g_object_unref (attachment); + /* 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); - return g_list_reverse (retval); + if (!license->text && !license->uri && !license->web_statement) { + ev_document_license_free (license); + return NULL; + } + + return license; } -static cairo_surface_t * -pdf_document_render (EvDocument *document, - EvRenderContext *rc) +static void +pdf_document_parse_metadata (const gchar *metadata, + EvDocumentInfo *info) { - PdfDocument *pdf_document; - cairo_surface_t *surface; - double width_points, height_points; - gint width, height; - - pdf_document = PDF_DOCUMENT (document); + xmlDocPtr doc; + xmlXPathContextPtr xpathCtx; + gchar *fmt; - set_rc_data (pdf_document, rc); + doc = xmlParseMemory (metadata, strlen (metadata)); + if (doc == NULL) + return; /* invalid xml metadata */ - poppler_page_get_size (POPPLER_PAGE (rc->data), &width_points, &height_points); - - if (rc->rotation == 90 || rc->rotation == 270) { - width = (int) ((height_points * rc->scale) + 0.5); - height = (int) ((width_points * rc->scale) + 0.5); - } else { - width = (int) ((width_points * rc->scale) + 0.5); - height = (int) ((height_points * rc->scale) + 0.5); + xpathCtx = xmlXPathNewContext (doc); + if (xpathCtx == NULL) { + xmlFreeDoc (doc); + return; /* invalid xpath context */ } -#ifdef HAVE_POPPLER_PAGE_RENDER - cairo_t *cr; - - surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, - width, height); - memset (cairo_image_surface_get_data (surface), 0xff, - cairo_image_surface_get_height (surface) * - cairo_image_surface_get_stride (surface)); - - cr = cairo_create (surface); - switch (rc->rotation) { - case 90: - cairo_translate (cr, width, 0); - break; - case 180: - cairo_translate (cr, width, height); - break; - case 270: - cairo_translate (cr, 0, height); - break; - default: - cairo_translate (cr, 0, 0); + fmt = pdf_document_get_format_from_metadata (doc, xpathCtx); + if (fmt != NULL) { + g_free (info->format); + info->format = fmt; } - cairo_scale (cr, rc->scale, rc->scale); - cairo_rotate (cr, rc->rotation * G_PI / 180.0); - poppler_page_render (POPPLER_PAGE (rc->data), cr); - cairo_destroy (cr); -#else /* HAVE_POPPLER_PAGE_RENDER */ - GdkPixbuf *pixbuf; - - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, - FALSE, 8, - width, height); - poppler_page_render_to_pixbuf (POPPLER_PAGE (rc->data), - 0, 0, - width, height, - rc->scale, - rc->rotation, - pixbuf); - surface = ev_document_misc_surface_from_pixbuf (pixbuf); - g_object_unref (pixbuf); -#endif /* HAVE_POPPLER_PAGE_RENDER */ + info->license = pdf_document_get_license_from_metadata (doc, xpathCtx); - return surface; + xmlXPathFreeContext (xpathCtx); + xmlFreeDoc (doc); } -/* EvDocumentSecurity */ -static gboolean -pdf_document_has_document_security (EvDocumentSecurity *document_security) +static EvDocumentInfo * +pdf_document_get_info (EvDocument *document) { - /* FIXME: do we really need to have this? */ - return FALSE; -} - -static void -pdf_document_set_password (EvDocumentSecurity *document_security, - const char *password) -{ - PdfDocument *document = PDF_DOCUMENT (document_security); - - if (document->password) - g_free (document->password); - - document->password = g_strdup (password); -} - -static gboolean -pdf_document_can_get_text (EvDocument *document) -{ - return TRUE; -} - -static EvDocumentInfo * -pdf_document_get_info (EvDocument *document) -{ - EvDocumentInfo *info; - PopplerPageLayout layout; - PopplerPageMode mode; - PopplerViewerPreferences view_prefs; - PopplerPermissions permissions; + EvDocumentInfo *info; + PopplerPageLayout layout; + PopplerPageMode mode; + PopplerViewerPreferences view_prefs; + PopplerPermissions permissions; + EvPage *page; + char *metadata; info = g_new0 (EvDocumentInfo, 1); @@ -575,7 +645,8 @@ pdf_document_get_info (EvDocument *document) EV_DOCUMENT_INFO_LINEARIZED | EV_DOCUMENT_INFO_N_PAGES | EV_DOCUMENT_INFO_SECURITY | - EV_DOCUMENT_INFO_PAPER_SIZE; + EV_DOCUMENT_INFO_PAPER_SIZE | + EV_DOCUMENT_INFO_LICENSE; g_object_get (PDF_DOCUMENT (document)->document, "title", &(info->title), @@ -592,15 +663,24 @@ pdf_document_get_info (EvDocument *document) "creation-date", &(info->creation_date), "mod-date", &(info->modified_date), "linearized", &(info->linearized), + "metadata", &metadata, NULL); - pdf_document_get_page_size(document, 0, - &(info->paper_width), - &(info->paper_height)); + if (metadata != NULL) { + pdf_document_parse_metadata (metadata, info); + g_free (metadata); + } + + info->n_pages = ev_document_get_n_pages (document); - // Convert to mm. - info->paper_width = info->paper_width / 72.0f * 25.4f; - info->paper_height = info->paper_height / 72.0f * 25.4f; + 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: @@ -680,8 +760,6 @@ pdf_document_get_info (EvDocument *document) info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES; } - info->n_pages = ev_document_get_n_pages (document); - if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) { /* translators: this is the document security state */ info->security = g_strdup (_("Yes")); @@ -693,49 +771,70 @@ pdf_document_get_info (EvDocument *document) return info; } -static char * -pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect) +static gboolean +pdf_document_get_backend_info (EvDocument *document, EvDocumentBackendInfo *info) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); - PopplerPage *poppler_page; - PopplerRectangle r; - double height; - char *text; - - poppler_page = poppler_document_get_page (pdf_document->document, page); - g_return_val_if_fail (poppler_page != NULL, NULL); + PopplerBackend backend; - poppler_page_get_size (poppler_page, NULL, &height); - r.x1 = rect->x1; - r.y1 = height - rect->y2; - r.x2 = rect->x2; - r.y2 = height - rect->y1; + 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; + } - text = poppler_page_get_text (poppler_page, &r); + info->version = poppler_get_version (); - g_object_unref (poppler_page); + return TRUE; +} - return text; +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; +} + +/* 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_document_iface_init (EvDocumentIface *iface) -{ - iface->save = pdf_document_save; - iface->load = pdf_document_load; - iface->get_n_pages = pdf_document_get_n_pages; - iface->get_page_size = pdf_document_get_page_size; - iface->get_page_label = pdf_document_get_page_label; - iface->has_attachments = pdf_document_has_attachments; - iface->get_attachments = pdf_document_get_attachments; - iface->render = pdf_document_render; - iface->get_text = pdf_document_get_text; - iface->can_get_text = pdf_document_can_get_text; - iface->get_info = pdf_document_get_info; -}; +pdf_document_set_password (EvDocumentSecurity *document_security, + const char *password) +{ + PdfDocument *document = PDF_DOCUMENT (document_security); + + if (document->password) + g_free (document->password); + + document->password = g_strdup (password); +} static void -pdf_document_security_iface_init (EvDocumentSecurityIface *iface) +pdf_document_security_iface_init (EvDocumentSecurityInterface *iface) { iface->has_document_security = pdf_document_has_document_security; iface->set_password = pdf_document_set_password; @@ -855,7 +954,7 @@ pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts, } static void -pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface) +pdf_document_document_fonts_iface_init (EvDocumentFontsInterface *iface) { iface->fill_model = pdf_document_fonts_fill_model; iface->scan = pdf_document_fonts_scan; @@ -897,14 +996,19 @@ ev_link_dest_from_dest (PdfDocument *pdf_document, poppler_page_get_size (poppler_page, NULL, &height); ev_dest = ev_link_dest_new_xyz (dest->page_num - 1, dest->left, - height - dest->top, - dest->zoom); + 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_FIT: + case POPPLER_DEST_FITB: + case POPPLER_DEST_FIT: ev_dest = ev_link_dest_new_fit (dest->page_num - 1); break; + case POPPLER_DEST_FITBH: case POPPLER_DEST_FITH: { PopplerPage *poppler_page; double height; @@ -913,13 +1017,16 @@ ev_link_dest_from_dest (PdfDocument *pdf_document, MAX (0, dest->page_num - 1)); poppler_page_get_size (poppler_page, NULL, &height); ev_dest = ev_link_dest_new_fith (dest->page_num - 1, - height - dest->top); + 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->left, + dest->change_left); break; case POPPLER_DEST_FITR: { PopplerPage *poppler_page; @@ -930,21 +1037,12 @@ ev_link_dest_from_dest (PdfDocument *pdf_document, poppler_page_get_size (poppler_page, NULL, &height); ev_dest = ev_link_dest_new_fitr (dest->page_num - 1, dest->left, - height - dest->bottom, + height - MIN (height, dest->bottom), dest->right, - height - dest->top); + height - MIN (height, dest->top)); g_object_unref (poppler_page); } break; - case POPPLER_DEST_FITB: - unimplemented_dest = "POPPLER_DEST_FITB"; - break; - case POPPLER_DEST_FITBH: - unimplemented_dest = "POPPLER_DEST_FITBH"; - break; - case POPPLER_DEST_FITBV: - unimplemented_dest = "POPPLER_DEST_FITBV"; - break; case POPPLER_DEST_NAMED: ev_dest = ev_link_dest_new_named (dest->named_dest); break; @@ -954,7 +1052,7 @@ ev_link_dest_from_dest (PdfDocument *pdf_document, } if (unimplemented_dest) { - g_warning ("Unimplemented named action: %s, please post a " + g_warning ("Unimplemented destination: %s, please post a " "bug report in Evince bugzilla " "(http://bugzilla.gnome.org) with a testcase.", unimplemented_dest); @@ -975,6 +1073,8 @@ ev_link_from_action (PdfDocument *pdf_document, const char *unimplemented_action = NULL; switch (action->type) { + case POPPLER_ACTION_NONE: + break; case POPPLER_ACTION_GOTO_DEST: { EvLinkDest *dest; @@ -1004,13 +1104,22 @@ ev_link_from_action (PdfDocument *pdf_document, 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 with a testcase.", - unimplemented_action); + g_warning ("Unimplemented action: %s, please post a bug report " + "in Evince bugzilla (http://bugzilla.gnome.org) " + "with a testcase.", unimplemented_action); } link = ev_link_new (action->any.title, ev_action); @@ -1069,8 +1178,11 @@ build_tree (PdfDocument *pdf_document, break; } - if (!link) { + if (!link || strlen (ev_link_get_title (link)) <= 0) { poppler_action_free (action); + if (link) + g_object_unref (link); + continue; } @@ -1121,7 +1233,7 @@ pdf_document_links_get_links_model (EvDocumentLinks *document_links) static GList * pdf_document_links_get_links (EvDocumentLinks *document_links, - gint page) + EvPage *page) { PdfDocument *pdf_document; PopplerPage *poppler_page; @@ -1131,30 +1243,28 @@ pdf_document_links_get_links (EvDocumentLinks *document_links, double height; pdf_document = PDF_DOCUMENT (document_links); - poppler_page = poppler_document_get_page (pdf_document->document, - page); + poppler_page = POPPLER_PAGE (page->backend_page); mapping_list = poppler_page_get_link_mapping (poppler_page); poppler_page_get_size (poppler_page, NULL, &height); for (list = mapping_list; list; list = list->next) { PopplerLinkMapping *link_mapping; - EvLinkMapping *ev_link_mapping; + EvMapping *ev_link_mapping; link_mapping = (PopplerLinkMapping *)list->data; - ev_link_mapping = g_new (EvLinkMapping, 1); - ev_link_mapping->link = ev_link_from_action (pdf_document, + ev_link_mapping = g_new (EvMapping, 1); + ev_link_mapping->data = ev_link_from_action (pdf_document, link_mapping->action); - ev_link_mapping->x1 = link_mapping->area.x1; - ev_link_mapping->x2 = link_mapping->area.x2; + ev_link_mapping->area.x1 = link_mapping->area.x1; + ev_link_mapping->area.x2 = link_mapping->area.x2; /* Invert this for X-style coordinates */ - ev_link_mapping->y1 = height - link_mapping->area.y2; - ev_link_mapping->y2 = height - link_mapping->area.y1; + ev_link_mapping->area.y1 = height - link_mapping->area.y2; + ev_link_mapping->area.y2 = height - link_mapping->area.y1; retval = g_list_prepend (retval, ev_link_mapping); } poppler_page_free_link_mapping (mapping_list); - g_object_unref (poppler_page); return g_list_reverse (retval); } @@ -1179,7 +1289,7 @@ pdf_document_links_find_link_dest (EvDocumentLinks *document_links, } static void -pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) +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; @@ -1188,8 +1298,8 @@ pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) } static GList * -pdf_document_images_get_images (EvDocumentImages *document_images, - gint page) +pdf_document_images_get_image_mapping (EvDocumentImages *document_images, + EvPage *page) { GList *retval = NULL; PdfDocument *pdf_document; @@ -1198,49 +1308,71 @@ pdf_document_images_get_images (EvDocumentImages *document_images, GList *list; pdf_document = PDF_DOCUMENT (document_images); - poppler_page = poppler_document_get_page (pdf_document->document, page); + poppler_page = POPPLER_PAGE (page->backend_page); mapping_list = poppler_page_get_image_mapping (poppler_page); for (list = mapping_list; list; list = list->next) { PopplerImageMapping *image_mapping; - EvImageMapping *ev_image_mapping; + EvMapping *ev_image_mapping; image_mapping = (PopplerImageMapping *)list->data; - ev_image_mapping = g_new (EvImageMapping, 1); + ev_image_mapping = g_new (EvMapping, 1); - ev_image_mapping->image = ev_image_new_from_pixbuf (image_mapping->image); - ev_image_mapping->x1 = image_mapping->area.x1; - ev_image_mapping->x2 = image_mapping->area.x2; - ev_image_mapping->y1 = image_mapping->area.y1; - ev_image_mapping->y2 = image_mapping->area.y2; + 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 g_list_reverse (retval); +} + +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 (EvDocumentImagesIface *iface) +pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface) { - iface->get_images = pdf_document_images_get_images; + iface->get_image_mapping = pdf_document_images_get_image_mapping; + iface->get_image = pdf_document_images_get_image; } static GdkPixbuf * -make_thumbnail_for_page (PdfDocument *pdf_document, - PopplerPage *poppler_page, - EvRenderContext *rc) +make_thumbnail_for_page (PopplerPage *poppler_page, + EvRenderContext *rc, + gint width, + gint height) { GdkPixbuf *pixbuf; - int width, height; - - pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), - rc, &width, &height); +#ifdef POPPLER_WITH_GDK pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height); gdk_pixbuf_fill (pixbuf, 0xffffffff); @@ -1250,6 +1382,16 @@ make_thumbnail_for_page (PdfDocument *pdf_document, 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; } @@ -1259,30 +1401,57 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails EvRenderContext *rc, gboolean border) { - PdfDocument *pdf_document; + PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails); PopplerPage *poppler_page; - GdkPixbuf *pixbuf; + GdkPixbuf *pixbuf = NULL; GdkPixbuf *border_pixbuf; + gint width, height; + + poppler_page = POPPLER_PAGE (rc->page->backend_page); - pdf_document = PDF_DOCUMENT (document_thumbnails); + 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); - poppler_page = poppler_document_get_page (pdf_document->document, rc->page); - g_return_val_if_fail (poppler_page != NULL, NULL); + if (thumb_width == width) { + GdkPixbuf *rotated_pixbuf; - pixbuf = poppler_page_get_thumbnail (poppler_page); - if (!pixbuf) { - /* There is no provided thumbnail. We need to make one. */ - pixbuf = make_thumbnail_for_page (pdf_document, poppler_page, rc); + 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) { + if (border && pixbuf) { border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf); g_object_unref (pixbuf); pixbuf = border_pixbuf; } - g_object_unref (poppler_page); - return pixbuf; } @@ -1292,26 +1461,14 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail gint *width, gint *height) { - PdfDocument *pdf_document; - PopplerPage *poppler_page; - gint has_thumb; + double page_width, page_height; - pdf_document = PDF_DOCUMENT (document_thumbnails); - poppler_page = poppler_document_get_page (pdf_document->document, rc->page); - - g_return_if_fail (poppler_page != NULL); - - has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height); - - if (!has_thumb) { - double page_width, page_height; - - poppler_page_get_size (poppler_page, &page_width, &page_height); - - *width = (gint) MAX (page_width * rc->scale, 1); - *height = (gint) MAX (page_height * rc->scale, 1); - } + poppler_page_get_size (POPPLER_PAGE (rc->page->backend_page), + &page_width, &page_height); + *width = MAX ((gint)(page_width * rc->scale + 0.5), 1); + *height = MAX ((gint)(page_height * rc->scale + 0.5), 1); + if (rc->rotation == 90 || rc->rotation == 270) { gint temp; @@ -1319,207 +1476,61 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail *width = *height; *height = temp; } - - g_object_unref (poppler_page); } static void -pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) +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 gboolean -pdf_document_search_idle_callback (void *data) -{ - PdfDocumentSearch *search = (PdfDocumentSearch*) data; - PdfDocument *pdf_document = search->document; - int n_pages; - GList *matches; - PopplerPage *page; - - page = poppler_document_get_page (search->document->document, - search->search_page); - - ev_document_doc_mutex_lock (); - matches = poppler_page_find_text (page, search->text); - ev_document_doc_mutex_unlock (); - - g_object_unref (page); - - search->pages[search->search_page] = matches; - ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document), - search->search_page); - - n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document)); - search->search_page += 1; - if (search->search_page == n_pages) { - /* wrap around */ - search->search_page = 0; - } - - if (search->search_page != search->start_page) { - return TRUE; - } - - /* We're done. */ - search->idle = 0; /* will return FALSE to remove */ - return FALSE; -} - - -static PdfDocumentSearch * -pdf_document_search_new (PdfDocument *pdf_document, - int start_page, - const char *text) -{ - PdfDocumentSearch *search; - int n_pages; - int i; - - n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document)); - - search = g_new0 (PdfDocumentSearch, 1); - - search->text = g_strdup (text); - search->pages = g_new0 (GList *, n_pages); - search->document = pdf_document; - - /* We add at low priority so the progress bar repaints */ - search->idle = g_idle_add_full (G_PRIORITY_LOW, - pdf_document_search_idle_callback, - search, - NULL); - - search->start_page = start_page; - search->search_page = start_page; - - return search; -} - -static void -pdf_document_find_begin (EvDocumentFind *document, - int page, - const char *search_string, - gboolean case_sensitive) -{ - PdfDocument *pdf_document = PDF_DOCUMENT (document); - - /* FIXME handle case_sensitive (right now XPDF - * code is always case insensitive for ASCII - * and case sensitive for all other languaages) - */ - - if (pdf_document->search && - strcmp (search_string, pdf_document->search->text) == 0) - return; - - if (pdf_document->search) - pdf_document_search_free (pdf_document->search); - - pdf_document->search = pdf_document_search_new (pdf_document, - page, - search_string); -} - -static int -pdf_document_find_get_n_results (EvDocumentFind *document_find, int page) -{ - PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search; - - if (search) { - return g_list_length (search->pages[page]); - } else { - return 0; - } -} - -static gboolean -pdf_document_find_get_result (EvDocumentFind *document_find, - int page, - int n_result, - EvRectangle *rectangle) +static GList * +pdf_document_find_find_text (EvDocumentFind *document_find, + EvPage *page, + const gchar *text, + gboolean case_sensitive) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_find); - PdfDocumentSearch *search = pdf_document->search; + GList *matches, *l; PopplerPage *poppler_page; - PopplerRectangle *r; - double height; + gdouble height; + GList *retval = NULL; - if (search == NULL) - return FALSE; + g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL); + g_return_val_if_fail (text != NULL, NULL); - r = (PopplerRectangle *) g_list_nth_data (search->pages[page], - n_result); - if (r == NULL) - return FALSE; + poppler_page = POPPLER_PAGE (page->backend_page); + + matches = poppler_page_find_text (poppler_page, text); + if (!matches) + return NULL; - poppler_page = poppler_document_get_page (pdf_document->document, page); poppler_page_get_size (poppler_page, NULL, &height); - rectangle->x1 = r->x1; - rectangle->y1 = height - r->y2; - rectangle->x2 = r->x2; - rectangle->y2 = height - r->y1; - g_object_unref (poppler_page); - - return TRUE; -} - -static int -pdf_document_find_page_has_results (EvDocumentFind *document_find, - int page) -{ - PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search; - - return search && search->pages[page] != NULL; -} - -static double -pdf_document_find_get_progress (EvDocumentFind *document_find) -{ - PdfDocumentSearch *search; - int n_pages, pages_done; - - search = PDF_DOCUMENT (document_find)->search; + for (l = matches; l && l->data; l = g_list_next (l)) { + PopplerRectangle *rect = (PopplerRectangle *)l->data; + EvRectangle *ev_rect; - if (search == NULL) { - return 0; - } + 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; - n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find)); - if (search->search_page > search->start_page) { - pages_done = search->search_page - search->start_page + 1; - } else if (search->search_page == search->start_page) { - pages_done = n_pages; - } else { - pages_done = n_pages - search->start_page + search->search_page; + retval = g_list_prepend (retval, ev_rect); } - return pages_done / (double) n_pages; -} - -static void -pdf_document_find_cancel (EvDocumentFind *document) -{ - PdfDocument *pdf_document = PDF_DOCUMENT (document); + g_list_foreach (matches, (GFunc)poppler_rectangle_free, NULL); + g_list_free (matches); - if (pdf_document->search) { - pdf_document_search_free (pdf_document->search); - pdf_document->search = NULL; - } + return g_list_reverse (retval); } static void -pdf_document_find_iface_init (EvDocumentFindIface *iface) +pdf_document_find_iface_init (EvDocumentFindInterface *iface) { - iface->begin = pdf_document_find_begin; - iface->get_n_results = pdf_document_find_get_n_results; - iface->get_result = pdf_document_find_get_result; - iface->page_has_results = pdf_document_find_page_has_results; - iface->get_progress = pdf_document_find_get_progress; - iface->cancel = pdf_document_find_cancel; + iface->find_text = pdf_document_find_find_text; } static void @@ -1528,15 +1539,16 @@ pdf_print_context_free (PdfPrintContext *ctx) if (!ctx) return; - if (ctx->ps_file) { - poppler_ps_file_free (ctx->ps_file); - ctx->ps_file = NULL; - } #ifdef HAVE_CAIRO_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); } @@ -1547,9 +1559,8 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); PdfPrintContext *ctx; - gdouble width, height; - gboolean change_orient = FALSE; #ifdef HAVE_CAIRO_PRINT + gdouble width, height; cairo_surface_t *surface = NULL; #endif @@ -1558,8 +1569,13 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, pdf_document->print_ctx = g_new0 (PdfPrintContext, 1); ctx = pdf_document->print_ctx; ctx->format = fc->format; - ctx->pages_per_sheet = fc->pages_per_sheet; + +#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: @@ -1567,18 +1583,16 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, ctx->pages_y = 1; break; case 2: - change_orient = TRUE; - ctx->pages_x = 2; - ctx->pages_y = 1; + ctx->pages_x = 1; + ctx->pages_y = 2; break; case 4: ctx->pages_x = 2; ctx->pages_y = 2; break; case 6: - change_orient = TRUE; - ctx->pages_x = 3; - ctx->pages_y = 2; + ctx->pages_x = 2; + ctx->pages_y = 3; break; case 9: ctx->pages_x = 3; @@ -1590,44 +1604,60 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, break; } - if (change_orient) { - width = fc->paper_height; - height = fc->paper_width; - } else { - width = fc->paper_width; - height = fc->paper_height; - } - - ctx->page_width = width / ctx->pages_x; - ctx->page_height = height / ctx->pages_y; - ctx->pages_printed = 0; - + switch (fc->format) { case EV_FILE_FORMAT_PS: #ifdef HAVE_CAIRO_PS - surface = cairo_ps_surface_create (fc->filename, width, height); -#else - 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_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, width, height); + surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height); #endif break; default: g_assert_not_reached (); } -#ifdef HAVE_CAIRO_PRINT ctx->cr = cairo_create (surface); cairo_surface_destroy (surface); -#endif + +#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 @@ -1638,42 +1668,115 @@ pdf_document_file_exporter_do_page (EvFileExporter *exporter, PdfPrintContext *ctx = pdf_document->print_ctx; PopplerPage *poppler_page; #ifdef HAVE_CAIRO_PRINT - gdouble page_width, page_height; - gint x, y; + 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_document_get_page (pdf_document->document, rc->page); + 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 * ctx->page_width, - y * ctx->page_height); - cairo_scale (ctx->cr, - ctx->page_width / page_width, - ctx->page_height / page_height); - -#ifdef HAVE_POPPLER_PAGE_RENDER - poppler_page_render (poppler_page, ctx->cr); -#endif + 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++; - if (ctx->pages_printed % ctx->pages_per_sheet == 0) { - cairo_show_page (ctx->cr); - } 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_object_unref (poppler_page); + g_return_if_fail (pdf_document->print_ctx != NULL); + +#ifdef HAVE_CAIRO_PRINT + cairo_show_page (ctx->cr); +#endif } static void @@ -1695,54 +1798,73 @@ pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter) EV_FILE_EXPORTER_CAN_REVERSE | EV_FILE_EXPORTER_CAN_SCALE | #ifdef HAVE_CAIRO_PRINT -#ifdef HAVE_POPPLER_PAGE_RENDER -#if GTK_CHECK_VERSION (2, 11, 1) EV_FILE_EXPORTER_CAN_NUMBER_UP | #endif -#endif -#endif #ifdef HAVE_CAIRO_PDF -#ifdef HAVE_POPPLER_PAGE_RENDER EV_FILE_EXPORTER_CAN_GENERATE_PDF | -#endif #endif EV_FILE_EXPORTER_CAN_GENERATE_PS); } static void -pdf_document_file_exporter_iface_init (EvFileExporterIface *iface) +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) { - PdfDocument *pdf_document; + PopplerPage *poppler_page; + cairo_t *cr; + PopplerColor text_color, base_color; double width_points, height_points; gint width, height; - pdf_document = PDF_DOCUMENT (selection); - set_rc_data (pdf_document, rc); + poppler_page = POPPLER_PAGE (rc->page->backend_page); - poppler_page_get_size (POPPLER_PAGE (rc->data), + 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; -#ifdef HAVE_POPPLER_PAGE_RENDER - cairo_t *cr; + 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, @@ -1756,80 +1878,119 @@ pdf_selection_render_selection (EvSelection *selection, 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 (rc->data), + poppler_page_render_selection (poppler_page, cr, (PopplerRectangle *)points, (PopplerRectangle *)old_points, - POPPLER_SELECTION_NORMAL, /* SelectionStyle */ - text, - base); + (PopplerSelectionStyle)style, + &text_color, + &base_color); cairo_destroy (cr); -#else /* HAVE_POPPLER_PAGE_RENDER */ - GdkPixbuf *pixbuf; +} + +static gchar * +pdf_selection_get_selected_text (EvSelection *selection, + EvPage *page, + EvSelectionStyle style, + EvRectangle *points) +{ + PopplerPage *poppler_page; + PopplerRectangle r; + double height; + char *retval; - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, - TRUE, 8, - width, height); + poppler_page = POPPLER_PAGE (page->backend_page); - poppler_page_render_selection_to_pixbuf (POPPLER_PAGE (rc->data), - rc->scale, rc->rotation, pixbuf, - (PopplerRectangle *)points, - (PopplerRectangle *)old_points, - POPPLER_SELECTION_NORMAL, /* SelectionStyle */ - text, - base); - if (*surface) - cairo_surface_destroy (*surface); - *surface = ev_document_misc_surface_from_pixbuf (pixbuf); - g_object_unref (pixbuf); -#endif /* HAVE_POPPLER_PAGE_RENDER */ + 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); + + return retval; } +static GdkRegion * +create_gdk_region_from_poppler_region (GList *region) +{ + GList *l; + GdkRegion *retval; + + retval = gdk_region_new (); + + for (l = region; l; l = g_list_next (l)) { + PopplerRectangle *rectangle; + GdkRectangle rect; + + rectangle = (PopplerRectangle *)l->data; + + rect.x = (gint) rectangle->x1; + rect.y = (gint) rectangle->y1; + rect.width = (gint) (rectangle->x2 - rectangle->x1); + rect.height = (gint) (rectangle->y2 - rectangle->y1); + gdk_region_union_with_rect (retval, &rect); + + poppler_rectangle_free (rectangle); + } + + return retval; +} static GdkRegion * pdf_selection_get_selection_region (EvSelection *selection, EvRenderContext *rc, + EvSelectionStyle style, EvRectangle *points) { - PdfDocument *pdf_document; - GdkRegion *retval; - - pdf_document = PDF_DOCUMENT (selection); - - set_rc_data (pdf_document, rc); + PopplerPage *poppler_page; + GdkRegion *retval; + GList *region; - retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, + poppler_page = POPPLER_PAGE (rc->page->backend_page); + + region = poppler_page_get_selection_region (poppler_page, rc->scale, + (PopplerSelectionStyle)style, (PopplerRectangle *) points); + retval = create_gdk_region_from_poppler_region (region); + g_list_free (region); + return retval; } static GdkRegion * -pdf_selection_get_selection_map (EvSelection *selection, - EvRenderContext *rc) +pdf_selection_get_selection_map (EvSelection *selection, + EvPage *page) { - PdfDocument *pdf_document; PopplerPage *poppler_page; PopplerRectangle points; + GList *region; GdkRegion *retval; - pdf_document = PDF_DOCUMENT (selection); - poppler_page = poppler_document_get_page (pdf_document->document, - rc->page); + 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)); - retval = poppler_page_get_selection_region (poppler_page, 1.0, &points); - g_object_unref (poppler_page); + + region = poppler_page_get_selection_region (poppler_page, 1.0, + POPPLER_SELECTION_GLYPH, + &points); + retval = create_gdk_region_from_poppler_region (region); + g_list_free (region); return retval; } static void -pdf_selection_iface_init (EvSelectionIface *iface) +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; iface->get_selection_map = pdf_selection_get_selection_map; } @@ -1854,16 +2015,49 @@ pdf_document_get_page_duration (EvDocumentTransition *trans, return duration; } -static void -pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface) +static EvTransitionEffect * +pdf_document_get_effect (EvDocumentTransition *trans, + gint page) { - iface->get_page_duration = pdf_document_get_page_duration; + 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; } -PdfDocument * -pdf_document_new (void) +static void +pdf_document_page_transition_iface_init (EvDocumentTransitionInterface *iface) { - return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL)); + iface->get_page_duration = pdf_document_get_page_duration; + iface->get_effect = pdf_document_get_effect; } /* Forms */ @@ -1885,7 +2079,6 @@ pdf_document_get_crop_box (EvDocument *document, rect->y2 = poppler_rect.y2; } -#ifdef HAVE_FORMS static EvFormField * ev_form_field_from_poppler_field (PopplerFormField *poppler_field) { @@ -1922,10 +2115,7 @@ ev_form_field_from_poppler_field (PopplerFormField *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); - -#ifdef HAVE_POPPLER_FORM_FIELD_TEXT_GET_MAX_LEN field_text->max_len = poppler_form_field_text_get_max_len (poppler_field); -#endif field_text->text = poppler_form_field_text_get_text (poppler_field); } @@ -1984,7 +2174,7 @@ ev_form_field_from_poppler_field (PopplerFormField *poppler_field) ev_field = ev_form_field_signature_new (id); break; case POPPLER_FORM_FIELD_UNKNOWN: - break; + return NULL; } ev_field->font_size = font_size; @@ -1995,39 +2185,48 @@ ev_form_field_from_poppler_field (PopplerFormField *poppler_field) static GList * pdf_document_forms_get_form_fields (EvDocumentForms *document, - gint page) + EvPage *page) { - PdfDocument *pdf_document; PopplerPage *poppler_page; GList *retval = NULL; GList *fields; GList *list; double height; - - pdf_document = PDF_DOCUMENT (document); - poppler_page = poppler_document_get_page (pdf_document->document, page); + 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; - EvFormFieldMapping *field_mapping; - + EvMapping *field_mapping; + EvFormField *ev_field; + mapping = (PopplerFormFieldMapping *)list->data; - field_mapping = g_new0 (EvFormFieldMapping, 1); - field_mapping->x1 = mapping->area.x1; - field_mapping->x2 = mapping->area.x2; - field_mapping->y1 = height - mapping->area.y2; - field_mapping->y2 = height - mapping->area.y1; - field_mapping->field = ev_form_field_from_poppler_field (mapping->field); - field_mapping->field->page = page; + 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); - g_object_unref (poppler_page); return g_list_reverse (retval); } @@ -2037,16 +2236,14 @@ pdf_document_forms_form_field_text_get_text (EvDocumentForms *document, EvFormField *field) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gchar *text; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return text; } @@ -2056,14 +2253,14 @@ pdf_document_forms_form_field_text_set_text (EvDocumentForms *document, EvFormField *field, const gchar *text) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static void @@ -2071,31 +2268,28 @@ pdf_document_forms_form_field_button_set_state (EvDocumentForms *document, EvFormField *field, gboolean state) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static gboolean pdf_document_forms_form_field_button_get_state (EvDocumentForms *document, EvFormField *field) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gboolean state; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return state; } @@ -2105,16 +2299,14 @@ pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document, EvFormField *field, gint index) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gchar *text; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return text; } @@ -2123,16 +2315,14 @@ static int pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document, EvFormField *field) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gint n_items; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return n_items; } @@ -2142,16 +2332,14 @@ pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document EvFormField *field, gint index) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gboolean selected; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return selected; } @@ -2161,15 +2349,14 @@ pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document, EvFormField *field, gint index) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static void @@ -2177,30 +2364,28 @@ pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document, EvFormField *field, gint index) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static void pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document, EvFormField *field) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static void @@ -2208,37 +2393,34 @@ pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document, EvFormField *field, const gchar *text) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); + PDF_DOCUMENT (document)->modified = TRUE; } static gchar * pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document, EvFormField *field) { - PdfDocument *pdf_document = PDF_DOCUMENT (document); PopplerFormField *poppler_field; gchar *text; - poppler_field = poppler_document_get_form_field (pdf_document->document, field->id); + 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); - g_object_unref (poppler_field); return text; } static void -pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface) +pdf_document_document_forms_iface_init (EvDocumentFormsInterface *iface) { iface->get_form_fields = pdf_document_forms_get_form_fields; iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text; @@ -2254,4 +2436,474 @@ pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface) 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; } -#endif /* HAVE_FORMS */ + +/* Annotations */ +static void +poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot, + GdkColor *color) +{ + PopplerColor *poppler_color; + + poppler_color = poppler_annot_get_color (poppler_annot); + if (poppler_color) { + color->red = poppler_color->red; + color->green = poppler_color->green; + color->blue = poppler_color->blue; + + g_free (poppler_color); + } /* TODO: else use a default color */ +} + +static EvAnnotation * +ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot, + EvPage *page) +{ + EvAnnotation *ev_annot = NULL; + const gchar *unimplemented_annot = NULL; + + switch (poppler_annot_get_annot_type (poppler_annot)) { + case POPPLER_ANNOT_TEXT: { + PopplerAnnotText *poppler_text; + EvAnnotationText *ev_annot_text; + + poppler_text = POPPLER_ANNOT_TEXT (poppler_annot); + + ev_annot = ev_annotation_text_new (page); + + ev_annot_text = EV_ANNOTATION_TEXT (ev_annot); + ev_annot_text->is_open = poppler_annot_text_get_is_open (poppler_text); + } + break; + 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.gnome.org) with a testcase.", + unimplemented_annot); + } + + if (ev_annot) { + ev_annot->contents = poppler_annot_get_contents (poppler_annot); + ev_annot->name = poppler_annot_get_name (poppler_annot); + ev_annot->modified = poppler_annot_get_modified (poppler_annot); + poppler_annot_color_to_gdk_color (poppler_annot, &ev_annot->color); + + if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) { + PopplerAnnotMarkup *markup; + gchar *label; + gdouble opacity; + PopplerRectangle poppler_rect; + + markup = POPPLER_ANNOT_MARKUP (poppler_annot); + + if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) { + EvRectangle ev_rect; + gboolean is_open; + gdouble height; + + poppler_page_get_size (POPPLER_PAGE (page->backend_page), + NULL, &height); + ev_rect.x1 = poppler_rect.x1; + ev_rect.x2 = poppler_rect.x2; + ev_rect.y1 = height - poppler_rect.y2; + ev_rect.y2 = height - poppler_rect.y1; + + is_open = poppler_annot_markup_get_popup_is_open (markup); + + g_object_set (ev_annot, + "rectangle", &ev_rect, + "is_open", is_open, + "has_popup", TRUE, + NULL); + } else { + /* FIXME: Use poppler_annot_markup_has_popup() when + * new poppler is released. + */ + g_object_set (ev_annot, + "has_popup", FALSE, + NULL); + } + + label = poppler_annot_markup_get_label (markup); + opacity = poppler_annot_markup_get_opacity (markup); + + g_object_set (ev_annot, + "label", label, + "opacity", opacity, + NULL); + + g_free (label); + } + } + + return ev_annot; +} + +static GList * +pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations, + EvPage *page) +{ + GList *retval = NULL; + PdfDocument *pdf_document; + PopplerPage *poppler_page; + GList *annots; + GList *list; + gdouble height; + gint i = 0; + + pdf_document = PDF_DOCUMENT (document_annotations); + poppler_page = POPPLER_PAGE (page->backend_page); + annots = poppler_page_get_annot_mapping (poppler_page); + poppler_page_get_size (poppler_page, NULL, &height); + + for (list = annots; list; list = list->next) { + PopplerAnnotMapping *mapping; + EvMapping *annot_mapping; + EvAnnotation *ev_annot; + + mapping = (PopplerAnnotMapping *)list->data; + + ev_annot = ev_annot_from_poppler_annot (mapping->annot, page); + if (!ev_annot) + continue; + + i++; + + /* Make sure annot has a unique name */ + if (!ev_annot->name) + ev_annot->name = g_strdup_printf ("annot-%d-%d", page->index, i); + + annot_mapping = g_new (EvMapping, 1); + annot_mapping->area.x1 = mapping->area.x1; + annot_mapping->area.x2 = mapping->area.x2; + annot_mapping->area.y1 = height - mapping->area.y2; + annot_mapping->area.y2 = height - mapping->area.y1; + annot_mapping->data = ev_annot; + + g_object_set_data_full (G_OBJECT (ev_annot), + "poppler-annot", + g_object_ref (mapping->annot), + (GDestroyNotify) g_object_unref); + + retval = g_list_prepend (retval, annot_mapping); + } + + poppler_page_free_annot_mapping (annots); + + return g_list_reverse (retval); +} + +static void +pdf_document_annotations_annotation_set_contents (EvDocumentAnnotations *document, + EvAnnotation *annot, + const gchar *contents) +{ + PopplerAnnot *poppler_annot; + + poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot")); + if (!poppler_annot) + return; + + poppler_annot_set_contents (poppler_annot, contents); + PDF_DOCUMENT (document)->modified = TRUE; +} + +static void +pdf_document_document_annotations_iface_init (EvDocumentAnnotationsInterface *iface) +{ + iface->get_annotations = pdf_document_annotations_get_annotations; + iface->annotation_set_contents = pdf_document_annotations_annotation_set_contents; +} + +/* Attachments */ +struct SaveToBufferData { + gchar *buffer; + gsize len, max; +}; + +static gboolean +attachment_save_to_buffer_callback (const gchar *buf, + gsize count, + gpointer user_data, + GError **error) +{ + struct SaveToBufferData *sdata = (SaveToBufferData *)user_data; + gchar *new_buffer; + gsize new_max; + + if (sdata->len + count > sdata->max) { + new_max = MAX (sdata->max * 2, sdata->len + count); + new_buffer = (gchar *)g_realloc (sdata->buffer, new_max); + + sdata->buffer = new_buffer; + sdata->max = new_max; + } + + memcpy (sdata->buffer + sdata->len, buf, count); + sdata->len += count; + + return TRUE; +} + +static gboolean +attachment_save_to_buffer (PopplerAttachment *attachment, + gchar **buffer, + gsize *buffer_size, + GError **error) +{ + static const gint initial_max = 1024; + struct SaveToBufferData sdata; + + *buffer = NULL; + *buffer_size = 0; + + sdata.buffer = (gchar *) g_malloc (initial_max); + sdata.max = initial_max; + sdata.len = 0; + + if (! poppler_attachment_save_to_callback (attachment, + attachment_save_to_buffer_callback, + &sdata, + error)) { + g_free (sdata.buffer); + return FALSE; + } + + *buffer = sdata.buffer; + *buffer_size = sdata.len; + + return TRUE; +} + +static GList * +pdf_document_attachments_get_attachments (EvDocumentAttachments *document) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + GList *attachments; + GList *list; + GList *retval = NULL; + + attachments = poppler_document_get_attachments (pdf_document->document); + + for (list = attachments; list; list = list->next) { + PopplerAttachment *attachment; + EvAttachment *ev_attachment; + gchar *data = NULL; + gsize size; + GError *error = NULL; + + attachment = (PopplerAttachment *) list->data; + + if (attachment_save_to_buffer (attachment, &data, &size, &error)) { + ev_attachment = ev_attachment_new (attachment->name, + attachment->description, + attachment->mtime, + attachment->ctime, + size, data); + + retval = g_list_prepend (retval, ev_attachment); + } else { + if (error) { + g_warning ("%s", error->message); + g_error_free (error); + + g_free (data); + } + } + + g_object_unref (attachment); + } + + return g_list_reverse (retval); +} + +static gboolean +pdf_document_attachments_has_attachments (EvDocumentAttachments *document) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + + return poppler_document_has_attachments (pdf_document->document); +} + +static void +pdf_document_document_attachments_iface_init (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; +}