Implement rotation and cleanup the code a bit.

Implement rotation and cleanup the code a bit.

2005-06-24  Marco Pesenti Gritti  <mpg@redhat.com>

        * pixbuf/pixbuf-document.c: (pixbuf_document_get_orientation),
        (pixbuf_document_set_orientation), (rotate_pixbuf),
        (pixbuf_document_get_page_size), (pixbuf_document_render_pixbuf),
        (pixbuf_document_document_iface_init), (pixbuf_document_init):

        Implement rotation and cleanup the code a bit.

        * tiff/tiff-document.c: (tiff_document_get_page_size),
        (tiff_document_get_orientation), (tiff_document_set_orientation),
        (rotate_pixbuf), (tiff_document_render_pixbuf),
        (tiff_document_document_iface_init), (tiff_document_init):

        Implement rotation. Was the quicker solution for the release
        but we really need to share this code in the shell.