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Diffstat (limited to 'backend/pdf/ev-poppler.cc')
-rw-r--r-- | backend/pdf/ev-poppler.cc | 1727 |
1 files changed, 1727 insertions, 0 deletions
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc new file mode 100644 index 0000000..2068998 --- /dev/null +++ b/backend/pdf/ev-poppler.cc @@ -0,0 +1,1727 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "config.h" + +#include <math.h> +#include <string.h> +#include <gtk/gtk.h> +#include <poppler.h> +#include <poppler-document.h> +#include <poppler-page.h> +#ifdef HAVE_CAIRO_PDF +#include <cairo-pdf.h> +#endif +#include <glib/gi18n.h> + +#include "ev-poppler.h" +#include "ev-file-exporter.h" +#include "ev-document-find.h" +#include "ev-document-misc.h" +#include "ev-document-links.h" +#include "ev-document-images.h" +#include "ev-document-fonts.h" +#include "ev-document-security.h" +#include "ev-document-thumbnails.h" +#include "ev-document-transition.h" +#include "ev-selection.h" +#include "ev-attachment.h" +#include "ev-image.h" + +typedef struct { + PdfDocument *document; + char *text; + GList **pages; + guint idle; + int start_page; + int search_page; +} PdfDocumentSearch; + +typedef struct { + EvFileExporterFormat format; + PopplerPSFile *ps_file; +#ifdef HAVE_CAIRO_PDF + cairo_t *pdf_cairo; +#endif +} PdfPrintContext; + +struct _PdfDocumentClass +{ + GObjectClass parent_class; +}; + +struct _PdfDocument +{ + GObject parent_instance; + + PopplerDocument *document; + gchar *password; + + PopplerFontInfo *font_info; + PopplerFontsIter *fonts_iter; + int fonts_scanned_pages; + + PdfDocumentSearch *search; + PdfPrintContext *print_ctx; +}; + +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_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, + gint page, + gint size, + 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); + 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 +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) +{ + 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->search) { + pdf_document_search_free (pdf_document->search); + pdf_document->search = 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); + } +} + +static void +pdf_document_class_init (PdfDocumentClass *klass) +{ + GObjectClass *g_object_class = G_OBJECT_CLASS (klass); + + g_object_class->dispose = pdf_document_dispose; +} + +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 (error, + EV_DOCUMENT_ERROR, + code, + poppler_error->message, + NULL); + } else { + g_propagate_error (error, poppler_error); + } +} + + +/* EvDocument */ +static gboolean +pdf_document_save (EvDocument *document, + const char *uri, + GError **error) +{ + gboolean retval; + GError *poppler_error = NULL; + + retval = poppler_document_save (PDF_DOCUMENT (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 void +pdf_document_get_page_size (EvDocument *document, + int page, + double *width, + double *height) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + PopplerPage *poppler_page; + + poppler_page = poppler_document_get_page (pdf_document->document, page); + poppler_page_get_size (poppler_page, width, height); + g_object_unref (poppler_page); +} + +static char * +pdf_document_get_page_label (EvDocument *document, + int page) +{ + PopplerPage *poppler_page; + char *label = NULL; + + poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document, + page); + + g_object_get (G_OBJECT (poppler_page), + "label", &label, + NULL); + g_object_unref (poppler_page); + + return label; +} + +static gboolean +pdf_document_has_attachments (EvDocument *document) +{ + PdfDocument *pdf_document; + + pdf_document = PDF_DOCUMENT (document); + + return poppler_document_has_attachments (pdf_document->document); +} + +struct SaveToBufferData { + gchar *buffer; + gsize len, max; +}; + +static gboolean +attachment_save_to_buffer_callback (const gchar *buf, + gsize count, + gpointer user_data, + GError **error) +{ + struct SaveToBufferData *sdata = (SaveToBufferData *)user_data; + gchar *new_buffer; + gsize new_max; + + if (sdata->len + count > sdata->max) { + new_max = MAX (sdata->max * 2, sdata->len + count); + new_buffer = (gchar *)g_realloc (sdata->buffer, new_max); + + sdata->buffer = new_buffer; + sdata->max = new_max; + } + + memcpy (sdata->buffer + sdata->len, buf, count); + sdata->len += count; + + return TRUE; +} + +static gboolean +attachment_save_to_buffer (PopplerAttachment *attachment, + gchar **buffer, + gsize *buffer_size, + GError **error) +{ + static const gint initial_max = 1024; + struct SaveToBufferData sdata; + + *buffer = NULL; + *buffer_size = 0; + + sdata.buffer = (gchar *) g_malloc (initial_max); + sdata.max = initial_max; + sdata.len = 0; + + if (! poppler_attachment_save_to_callback (attachment, + attachment_save_to_buffer_callback, + &sdata, + error)) { + g_free (sdata.buffer); + return FALSE; + } + + *buffer = sdata.buffer; + *buffer_size = sdata.len; + + return TRUE; +} + +static GList * +pdf_document_get_attachments (EvDocument *document) +{ + PdfDocument *pdf_document; + GList *attachments; + GList *list; + GList *retval = NULL; + + pdf_document = PDF_DOCUMENT (document); + + if (!pdf_document_has_attachments (document)) + return NULL; + + attachments = poppler_document_get_attachments (pdf_document->document); + + for (list = attachments; list; list = list->next) { + PopplerAttachment *attachment; + EvAttachment *ev_attachment; + gchar *data = NULL; + gsize size; + GError *error = NULL; + + attachment = (PopplerAttachment *) list->data; + + if (attachment_save_to_buffer (attachment, &data, &size, &error)) { + ev_attachment = ev_attachment_new (attachment->name, + attachment->description, + attachment->mtime, + attachment->ctime, + size, data); + + retval = g_list_prepend (retval, ev_attachment); + } else { + if (error) { + g_warning ("%s", error->message); + g_error_free (error); + + g_free (data); + } + } + + g_object_unref (attachment); + } + + return g_list_reverse (retval); +} + +static GdkPixbuf * +pdf_document_render_pixbuf (EvDocument *document, + EvRenderContext *rc) +{ + PdfDocument *pdf_document; + GdkPixbuf *pixbuf; + double width_points, height_points; + gint width, height; + + pdf_document = PDF_DOCUMENT (document); + + set_rc_data (pdf_document, rc); + + 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); + } + + 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); + + + return pixbuf; +} + +/* 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 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; + + 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; + + 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), + NULL); + + pdf_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; + } + + 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")); + } else { + /* translators: this is the document security state */ + info->security = g_strdup (_("No")); + } + + return info; +} + +static char * +pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect) +{ + 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); + + 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; + + text = poppler_page_get_text (poppler_page, &r); + + g_object_unref (poppler_page); + + return text; +} + +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_pixbuf = pdf_document_render_pixbuf; + iface->get_text = pdf_document_get_text; + iface->can_get_text = pdf_document_can_get_text; + iface->get_info = pdf_document_get_info; +}; + +static void +pdf_document_security_iface_init (EvDocumentSecurityIface *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 (EvDocumentFontsIface *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 - dest->top, + dest->zoom); + g_object_unref (poppler_page); + } + break; + case POPPLER_DEST_FIT: + ev_dest = ev_link_dest_new_fit (dest->page_num - 1); + break; + 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 - dest->top); + g_object_unref (poppler_page); + } + break; + case POPPLER_DEST_FITV: + ev_dest = ev_link_dest_new_fitv (dest->page_num - 1, + dest->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 - dest->bottom, + dest->right, + 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; + case POPPLER_DEST_UNKNOWN: + unimplemented_dest = "POPPLER_DEST_UNKNOWN"; + break; + } + + if (unimplemented_dest) { + g_warning ("Unimplemented named action: %s, please post a " + "bug report in Evince bugzilla " + "(http://bugzilla.gnome.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_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; + 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); + } + + 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) { + poppler_action_free (action); + 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); + build_tree (pdf_document, model, NULL, iter); + poppler_index_iter_free (iter); + } + + return model; +} + +static GList * +pdf_document_links_get_links (EvDocumentLinks *document_links, + gint 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_document_get_page (pdf_document->document, + 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; + + link_mapping = (PopplerLinkMapping *)list->data; + ev_link_mapping = g_new (EvLinkMapping, 1); + ev_link_mapping->link = 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; + /* Invert this for X-style coordinates */ + ev_link_mapping->y1 = height - link_mapping->area.y2; + ev_link_mapping->y2 = height - link_mapping->area.y1; + + retval = g_list_prepend (retval, ev_link_mapping); + } + + poppler_page_free_link_mapping (mapping_list); + g_object_unref (poppler_page); + + return g_list_reverse (retval); +} + +static 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 (EvDocumentLinksIface *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 GList * +pdf_document_images_get_images (EvDocumentImages *document_images, + gint page) +{ + GList *retval = NULL; +#ifdef HAVE_POPPLER_PAGE_GET_IMAGE_MAPPING + PdfDocument *pdf_document; + PopplerPage *poppler_page; + GList *mapping_list; + GList *list; + + pdf_document = PDF_DOCUMENT (document_images); + poppler_page = poppler_document_get_page (pdf_document->document, 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; + + image_mapping = (PopplerImageMapping *)list->data; + + ev_image_mapping = g_new (EvImageMapping, 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; + + retval = g_list_prepend (retval, ev_image_mapping); + } + + poppler_page_free_image_mapping (mapping_list); + g_object_unref (poppler_page); +#endif /* HAVE_POPPLER_PAGE_GET_IMAGE_MAPPING */ + return retval; +} + +static void +pdf_document_document_images_iface_init (EvDocumentImagesIface *iface) +{ + iface->get_images = pdf_document_images_get_images; +} + +static GdkPixbuf * +make_thumbnail_for_size (PdfDocument *pdf_document, + gint page, + int rotation, + gint size) +{ + PopplerPage *poppler_page; + GdkPixbuf *pixbuf; + int width, height; + double scale; + gdouble unscaled_width, unscaled_height; + + poppler_page = poppler_document_get_page (pdf_document->document, page); + g_return_val_if_fail (poppler_page != NULL, NULL); + + pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page, + size, &width, &height); + poppler_page_get_size (poppler_page, &unscaled_width, &unscaled_height); + scale = width / unscaled_width; + + /* rotate */ + if (rotation == 90 || rotation == 270) { + int temp; + temp = width; + width = height; + height = temp; + } + + 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, + scale, rotation, pixbuf); + ev_document_fc_mutex_unlock (); + + + g_object_unref (poppler_page); + + return pixbuf; +} + +static GdkPixbuf * +pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails, + gint page, + gint rotation, + gint size, + gboolean border) +{ + PdfDocument *pdf_document; + PopplerPage *poppler_page; + GdkPixbuf *pixbuf; + GdkPixbuf *border_pixbuf; + + pdf_document = PDF_DOCUMENT (document_thumbnails); + + poppler_page = poppler_document_get_page (pdf_document->document, page); + g_return_val_if_fail (poppler_page != NULL, NULL); + + pixbuf = poppler_page_get_thumbnail (poppler_page); + + if (pixbuf == NULL) { + /* There is no provided thumbnail. We need to make one. */ + pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size); + } + + if (border) { + border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, rotation, pixbuf); + g_object_unref (pixbuf); + pixbuf = border_pixbuf; + } + + g_object_unref (poppler_page); + + return pixbuf; +} + +static void +pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, + gint page, + gint size, + gint *width, + gint *height) +{ + PdfDocument *pdf_document; + PopplerPage *poppler_page; + gint has_thumb; + + pdf_document = PDF_DOCUMENT (document_thumbnails); + poppler_page = poppler_document_get_page (pdf_document->document, page); + + g_return_if_fail (width != NULL); + g_return_if_fail (height != NULL); + 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 = size; + *height = (int) (size * page_height / page_width); + } + g_object_unref (poppler_page); +} + +static void +pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *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) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_find); + PdfDocumentSearch *search = pdf_document->search; + PopplerPage *poppler_page; + PopplerRectangle *r; + double height; + + if (search == NULL) + return FALSE; + + r = (PopplerRectangle *) g_list_nth_data (search->pages[page], + n_result); + if (r == NULL) + return FALSE; + + 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; + + if (search == NULL) { + return 0; + } + + 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; + } + + return pages_done / (double) n_pages; +} + +static void +pdf_document_find_cancel (EvDocumentFind *document) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + + if (pdf_document->search) { + pdf_document_search_free (pdf_document->search); + pdf_document->search = NULL; + } +} + +static void +pdf_document_find_iface_init (EvDocumentFindIface *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; +} + +static const gboolean supported_formats[] = { + TRUE, /* EV_FILE_FORMAT_PS */ +#ifdef HAVE_CAIRO_PDF +#ifdef HAVE_POPPLER_PAGE_RENDER + TRUE, /* EV_FILE_FORMAT_PDF */ +#else + FALSE, /* EV_FILE_FORMAT_PDF */ +#endif +#endif +}; + +static void +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_PDF + if (ctx->pdf_cairo) { + cairo_destroy (ctx->pdf_cairo); + ctx->pdf_cairo = NULL; + } +#endif + g_free (ctx); +} + +static gboolean +pdf_document_file_exporter_format_supported (EvFileExporter *exporter, + EvFileExporterFormat format) +{ + return supported_formats[format]; +} + +static void +pdf_document_file_exporter_begin (EvFileExporter *exporter, + EvFileExporterFormat format, + const char *filename, + int first_page, + int last_page, + double width, + double height, + gboolean duplex) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (exporter); + PdfPrintContext *ctx; + + 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 = format; + + switch (format) { + case EV_FILE_FORMAT_PS: + ctx->ps_file = poppler_ps_file_new (pdf_document->document, + filename, first_page, + last_page - first_page + 1); + poppler_ps_file_set_paper_size (ctx->ps_file, width, height); + poppler_ps_file_set_duplex (ctx->ps_file, duplex); + + break; + case EV_FILE_FORMAT_PDF: { +#ifdef HAVE_CAIRO_PDF + cairo_surface_t *surface; + + surface = cairo_pdf_surface_create (filename, width, height); + ctx->pdf_cairo = cairo_create (surface); + cairo_surface_destroy (surface); +#endif + } + break; + default: + g_assert_not_reached (); + } +} + +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; + + g_return_if_fail (pdf_document->print_ctx != NULL); + + poppler_page = poppler_document_get_page (pdf_document->document, rc->page); + + switch (ctx->format) { + case EV_FILE_FORMAT_PS: + poppler_page_render_to_ps (poppler_page, ctx->ps_file); + break; + case EV_FILE_FORMAT_PDF: +#ifdef HAVE_POPPLER_PAGE_RENDER + poppler_page_render (poppler_page, ctx->pdf_cairo); +#endif +#ifdef HAVE_CAIRO_PDF + cairo_show_page (ctx->pdf_cairo); +#endif + break; + default: + g_assert_not_reached (); + } + + g_object_unref (poppler_page); +} + +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 void +pdf_document_file_exporter_iface_init (EvFileExporterIface *iface) +{ + iface->format_supported = pdf_document_file_exporter_format_supported; + iface->begin = pdf_document_file_exporter_begin; + iface->do_page = pdf_document_file_exporter_do_page; + iface->end = pdf_document_file_exporter_end; +} + +static void +pdf_selection_render_selection (EvSelection *selection, + EvRenderContext *rc, + GdkPixbuf **pixbuf, + EvRectangle *points, + EvRectangle *old_points, + GdkColor *text, + GdkColor *base) +{ + PdfDocument *pdf_document; + double width_points, height_points; + gint width, height; + + pdf_document = PDF_DOCUMENT (selection); + set_rc_data (pdf_document, rc); + + poppler_page_get_size (POPPLER_PAGE (rc->data), &width_points, &height_points); + width = (int) ((width_points * rc->scale) + 0.5); + height = (int) ((height_points * rc->scale) + 0.5); + + if (*pixbuf == NULL) { + * pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, + TRUE, 8, + width, height); + } + + poppler_page_render_selection (POPPLER_PAGE (rc->data), + rc->scale, rc->rotation, *pixbuf, + (PopplerRectangle *)points, + (PopplerRectangle *)old_points, + text, + base); +} + + +static GdkRegion * +pdf_selection_get_selection_region (EvSelection *selection, + EvRenderContext *rc, + EvRectangle *points) +{ + PdfDocument *pdf_document; + GdkRegion *retval; + + pdf_document = PDF_DOCUMENT (selection); + + set_rc_data (pdf_document, rc); + + retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, rc->scale, (PopplerRectangle *) points); + + return retval; +} + +static GdkRegion * +pdf_selection_get_selection_map (EvSelection *selection, + EvRenderContext *rc) +{ + PdfDocument *pdf_document; + PopplerPage *poppler_page; + PopplerRectangle points; + GdkRegion *retval; + + pdf_document = PDF_DOCUMENT (selection); + poppler_page = poppler_document_get_page (pdf_document->document, + rc->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); + + return retval; +} + +static void +pdf_selection_iface_init (EvSelectionIface *iface) +{ + iface->render_selection = pdf_selection_render_selection; + iface->get_selection_region = pdf_selection_get_selection_region; + iface->get_selection_map = pdf_selection_get_selection_map; +} + +/* Page Transitions */ +static gdouble +pdf_document_get_page_duration (EvDocumentTransition *trans, + gint page) +{ +#ifdef HAVE_POPPLER_PAGE_GET_DURATION + 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; +#else + return -1; +#endif /* HAVE_POPPLER_PAGE_GET_DURATION */ +} + +static void +pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface) +{ + iface->get_page_duration = pdf_document_get_page_duration; +} + +PdfDocument * +pdf_document_new (void) +{ + return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL)); +} |