[librsvg] (12 commits) ...Merge branch 'state-rs' into 'master'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  dbb23aa... state: move direction and writing mode to rust
  725da80... state: move the parsing of conditional processing attribute
  a6f7222... state: move conditional processing to rust
  1cb0249... state: add getters for flood properties
  ce07268... state: move flood opacity to rust
  ba0f4a5... state: move fill opacity to rust
  53ddc75... state: move stroke opacity to rust
  40b16cc... state: simply store the Attribute in the important_styles h
  762c6d5... state: port flood color to rust
  ba1f568... filter: use getter for the current color
  647f23f... paint_server: drop unused C function
  4816f94... Merge branch 'state-rs' into 'master'