[librsvg/rustification] path_parser.rs: Factor out function to set the reflection and current points for cubic curves

[Federico Mena Quintero <federico src gnome org>]

commit f0d67cad79a2180da8d43489c8e2a3d92daae367
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Nov 8 13:24:24 2016 -0600

    path_parser.rs: Factor out function to set the reflection and current points for cubic curves

 rust/src/path_parser.rs |   18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)
---
diff --git a/rust/src/path_parser.rs b/rust/src/path_parser.rs
index 36d4cb0..af7100c 100644
--- a/rust/src/path_parser.rs
+++ b/rust/src/path_parser.rs
@@ -261,32 +261,36 @@ impl<'external> PathParser<'external> {
         None
     }
 
-    fn set_current_and_reflection_to_same (&mut self, x: f64, y: f64) {
+    fn set_current_point (&mut self, x: f64, y: f64) {
         self.current_x = x;
         self.current_y = y;
         self.reflection_x = self.current_x;
         self.reflection_y = self.current_y;
     }
 
+    fn set_cubic_reflection_and_current_point (&mut self, x3: f64, y3: f64, x4: f64, y4: f64) {
+        self.reflection_x = x3;
+        self.reflection_y = y3;
+        self.current_x = x4;
+        self.current_y = y4;
+    }
+
     fn emit_move_to (&mut self, x: f64, y: f64) {
-        self.set_current_and_reflection_to_same (x, y);
+        self.set_current_point (x, y);
 
         self.builder.move_to (self.current_x, self.current_y);
         println! ("emitting moveto {} {}", self.current_x, self.current_y);
     }
 
     fn emit_line_to (&mut self, x: f64, y: f64) {
-        self.set_current_and_reflection_to_same (x, y);
+        self.set_current_point (x, y);
 
         self.builder.line_to (self.current_x, self.current_y);
         println! ("emitting lineto {} {}", self.current_x, self.current_y);
     }
 
     fn emit_curve_to (&mut self, x2: f64, y2: f64, x3: f64, y3: f64, x4: f64, y4: f64) {
-        self.current_x = x4;
-        self.current_y = y4;
-        self.reflection_x = x3;
-        self.reflection_y = y3;
+        self.set_cubic_reflection_and_current_point (x3, y3, x4, y4);
 
         self.builder.curve_to (x2, y2, x3, y3, x4, y4);
         println! ("emitting curveto ({} {}) ({} {}) ({} {})", x2, y2, x3, y3, x4, y4);