[librsvg] marker.rs: Start directly with the state's current transformation, not an identity

[Federico Mena Quintero <federico src gnome org>]

commit dab8c13002ed27eab6245dcac992435a3cd962a0
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Sep 27 19:10:16 2017 -0500

    marker.rs: Start directly with the state's current transformation, not an identity

 rust/src/marker.rs |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/rust/src/marker.rs b/rust/src/marker.rs
index f6f4ae9..9b1b11f 100644
--- a/rust/src/marker.rs
+++ b/rust/src/marker.rs
@@ -22,6 +22,7 @@ use property_bag;
 use property_bag::*;
 use util::*;
 use viewbox::*;
+use viewport::draw_in_viewport;
 
 // markerUnits attribute: https://www.w3.org/TR/SVG/painting.html#MarkerElement
 
@@ -121,11 +122,9 @@ impl NodeMarker {
         let marker_width = self.width.get ().normalize (draw_ctx);
         let marker_height = self.height.get ().normalize (draw_ctx);
 
-        let mut affine = cairo::Matrix::identity ();
+        let mut affine = drawing_ctx::get_current_state_affine (draw_ctx);
         affine.translate (xpos, ypos);
 
-        affine = cairo::Matrix::multiply (&affine, &drawing_ctx::get_current_state_affine (draw_ctx));
-
         let rotation = match self.orient.get () {
             MarkerOrient::Auto =>        computed_angle,
             MarkerOrient::Degrees (d) => d * PI / 180.0,