Add pixbuf backend.

Add pixbuf backend.

2004-12-22  Anders Carlsson  <andersca@gnome.org>

	* Makefile.am:
	* configure.ac:
	* pixbuf/Makefile.am:
	* pixbuf/pixbuf-document.c: (G_DEFINE_TYPE_WITH_CODE),
	(pixbuf_document_load), (pixbuf_document_get_n_pages),
	(pixbuf_document_set_page), (pixbuf_document_get_page),
	(pixbuf_document_set_target), (pixbuf_document_set_scale),
	(pixbuf_document_set_page_offset), (pixbuf_document_get_page_size),
	(pixbuf_document_render), (pixbuf_document_begin_find),
	(pixbuf_document_end_find), (pixbuf_document_finalize),
	(pixbuf_document_class_init),
	(pixbuf_document_document_iface_init), (pixbuf_document_init):
	* pixbuf/pixbuf-document.h:
	* shell/Makefile.am:
	* shell/ev-application.c: (ev_application_open):
	* shell/ev-window.c: (mime_type_supported_by_gdk_pixbuf),
	(ev_window_open):
	Add pixbuf backend.