[librsvg] (14 commits) ...Merge branch 'pborelli/librsvg-draw-ctx'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  1aabfbb... handle: move is_testing to rust
  2cb8f6b... handle: move the whole fontmap hack to tests
  abbf3ff... text: whitespace cleanup
  fbcf054... text: move conversion trait for TextRendering
  ef77408... drawing_ctx: add get_snapshot method
  e73f0ad... drawing_ctx: add mask_surface method
  845b41c... handle: move the size_func in the rust handle
  bdb23f0... handle: move rsvg_handle_get_dimensions_sub to rust
  3c915c5... handle: move rsvg_handle_get_position_sub to rust
  afddeb9... handle: remove now unused function
  a499355... handle: move rsvg_handle_get_dimensions to rust
  4755d10... handle: move is_loaded checks to rust
  0a69589... handle: move the base_uri field to rust
  3d5bf26... Merge branch 'pborelli/librsvg-draw-ctx'