Create the render context needed for rendering a page in the render thread

Create the render context needed for rendering a page in the render thread

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

	* shell/ev-jobs.[ch]: (ev_job_render_dispose),
	(ev_job_render_new), (ev_job_render_set_selection_info),
	(ev_job_render_run):
	* shell/ev-pixbuf-cache.c: (job_page_ready_cb), (job_finished_cb),
	(check_job_size_and_unref),
	(copy_job_page_and_selection_to_job_info), (copy_job_to_job_info),
	(add_job), (ev_pixbuf_cache_get_selection_surface):

	Create the render context needed for rendering a page in the render
	thread so that we don't block the main thread. Simplify
	EvJobRender API.

svn path=/trunk/; revision=3005