Add support for thumbnails in ps backend. Fixes bug #164755.

Add support for thumbnails in ps backend. Fixes bug #164755.

2007-02-13  Carlos Garcia Campos  <carlosgc@gnome.org>
	* backend/ps/Makefile.am:
	* backend/ps/ps-document.[ch]: (ps_document_init), (ps_document_dispose),
	(document_load), (ps_document_load), (save_document),
	(save_page_list), (ps_document_get_n_pages),
	(ps_document_get_page_size), (ps_document_get_info),
	(ps_interpreter_page_rendered), (ps_async_renderer_render_pixbuf),
	(ps_interpreter_thumbnail_rendered), (ps_document_render_thumbnail),
	(ps_document_thumbnails_get_thumbnail),
	(ps_document_thumbnails_get_dimensions),
	(ps_document_document_thumbnails_iface_init):
	* backend/ps/ps.[ch]: (psgetpagebox):
	* backend/ps/ps-interpreter.[ch]:
	Add support for thumbnails in ps backend. Fixes bug #164755.

svn path=/trunk/; revision=2323