Add EvPage so that we can hold a reference to the backend page. Form

2008-04-14  Carlos Garcia Campos  <carlosgc@gnome.org>

	* libdocument/Makefile.am:
	* libdocument/ev-page.[ch]:
	* libdocument/ev-render-context.[ch]: (ev_render_context_dispose),
	(ev_render_context_new), (ev_render_context_set_page):
	* libdocument/ev-form-field.[ch]: (ev_form_field_init),
	(ev_form_field_finalize), (ev_form_field_class_init):
	* libdocument/ev-document-forms.[ch]:
	(ev_document_forms_get_form_fields):
	* libdocument/ev-document.[ch]: (ev_document_get_page),
	(ev_document_get_page_size), (ev_document_get_page_label):
	* shell/ev-jobs.[ch]: (ev_job_thumbnail_dispose),
	(ev_job_render_run), (ev_job_thumbnail_new),
	(ev_job_thumbnail_run), (ev_job_print_run):
	* shell/ev-page-cache.c: (ev_page_cache_new):
	* shell/ev-pixbuf-cache.c: (job_page_ready_cb), (job_finished_cb),
	(check_job_size_and_unref), (add_job):
	* shell/ev-sidebar-thumbnails.c: (add_range):
	* shell/ev-view.c: (ev_view_form_field_get_region),
	(ev_view_form_field_button_create_widget),
	(ev_view_form_field_text_save), (ev_view_form_field_choice_save),
	(ev_view_handle_form_field), (ev_view_size_allocate),
	(get_selected_text):
	* shell/ev-window.c: (ev_window_refresh_window_thumbnail):
	* backend/pdf/ev-poppler.cc: (pdf_document_get_page_size),
	(pdf_document_get_page), (pdf_document_get_page_label),
	(pdf_document_render), (pdf_document_get_info),
	(pdf_document_document_iface_init),
	(pdf_document_thumbnails_get_thumbnail),
	(pdf_document_thumbnails_get_dimensions),
	(pdf_document_file_exporter_do_page),
	(pdf_selection_render_selection),
	(pdf_selection_get_selected_text),
	(pdf_selection_get_selection_region),
	(pdf_selection_get_selection_map),
	(pdf_document_forms_get_form_fields),
	(pdf_document_forms_form_field_text_get_text),
	(pdf_document_forms_form_field_text_set_text),
	(pdf_document_forms_form_field_button_set_state),
	(pdf_document_forms_form_field_button_get_state),
	(pdf_document_forms_form_field_choice_get_item),
	(pdf_document_forms_form_field_choice_get_n_items),
	(pdf_document_forms_form_field_choice_is_item_selected),
	(pdf_document_forms_form_field_choice_select_item),
	(pdf_document_forms_form_field_choice_toggle_item),
	(pdf_document_forms_form_field_choice_unselect_all),
	(pdf_document_forms_form_field_choice_set_text),
	(pdf_document_forms_form_field_choice_get_text):
	* backend/ps/ev-spectre.c: (ps_document_get_page),
	(ps_document_get_page_size), (ps_document_get_page_label),
	(ps_document_render), (ps_document_document_iface_init),
	(ps_document_file_exporter_do_page):
	* backend/tiff/tiff-document.c: (tiff_document_get_page_size),
	(tiff_document_render), (tiff_document_render_pixbuf),
	(tiff_document_file_exporter_do_page):
	* backend/pixbuf/pixbuf-document.c:
	(pixbuf_document_get_page_size):
	* backend/comics/comics-document.c:
	(comics_document_get_page_size), (comics_document_render_pixbuf):
	* backend/djvu/djvu-document.c: (djvu_document_get_page_size),
	(djvu_document_render), (djvu_selection_get_selected_text),
	(djvu_document_thumbnails_get_thumbnail),
	(djvu_document_file_exporter_do_page),
	(djvu_document_find_get_result):
	* backend/dvi/dvi-document.c: (dvi_document_get_page_size),
	(dvi_document_render), (dvi_document_thumbnails_get_dimensions),
	(dvi_document_thumbnails_get_thumbnail),
	(dvi_document_file_exporter_do_page):
	* backend/impress/impress-document.c:
	(impress_document_get_page_size),
	(impress_document_render_pixbuf):
	* thumbnailer/evince-thumbnailer.c: (evince_thumbnail_pngenc_get):

	Add EvPage so that we can hold a reference to the backend
	page. Form fields keep now a reference to the poppler page
	improving performance since we don't have to create/destroy the
	poppler field for every form operation. This will be needed for
	annotations too.

svn path=/trunk/; revision=3004

1 files changed, 59 insertions, 0 deletions

diff --git a/libdocument/ev-page.h b/libdocument/ev-page.h
new file mode 100644
index 0000000..801b3e1
--- /dev/null
+++ b/libdocument/ev-page.h
@@ -0,0 +1,59 @@
+/* this file is part of evince, a gnome document viewer
+ *
+ *  Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * Evince 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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.
+ */
+
+#ifndef EV_PAGE_H
+#define EV_PAGE_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_PAGE              (ev_page_get_type())
+#define EV_PAGE(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PAGE, EvPage))
+#define EV_PAGE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PAGE, EvPageClass))
+#define EV_IS_PAGE(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PAGE))
+#define EV_IS_PAGE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_PAGE))
+#define EV_PAGE_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_PAGE, EvPageClass))
+
+typedef struct _EvPage        EvPage;
+typedef struct _EvPageClass   EvPageClass;
+
+typedef gpointer       EvBackendPage;
+typedef GDestroyNotify EvBackendPageDestroyFunc;
+
+struct _EvPage {
+	GObject base_instance;
+	
+	gint index;
+
+	EvBackendPage            backend_page;
+	EvBackendPageDestroyFunc backend_destroy_func;
+};
+
+struct _EvPageClass {
+	GObjectClass base_class;
+};
+
+GType   ev_page_get_type (void) G_GNUC_CONST;
+
+EvPage *ev_page_new      (gint index);
+
+G_END_DECLS
+
+#endif /* EV_PAGE_H */