[librsvg] *.rs - get rid of unused imports

[Federico Mena Quintero <federico src gnome org>]

commit 48f986a583f4a4d42c9db26c083c92ddf1f55cc2
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Jun 2 11:49:27 2017 -0500

    *.rs - get rid of unused imports

 rust/src/aspect_ratio.rs |    6 ++----
 rust/src/bbox.rs         |    6 +++---
 rust/src/drawing_ctx.rs  |   12 +++++-------
 rust/src/gradient.rs     |   11 ++++-------
 rust/src/length.rs       |   10 ++++------
 rust/src/lib.rs          |   16 ++++++++--------
 rust/src/marker.rs       |   11 ++++-------
 rust/src/node.rs         |   19 ++++++-------------
 rust/src/parsers.rs      |    3 +--
 rust/src/path_builder.rs |   17 +++++++++--------
 rust/src/path_parser.rs  |    2 --
 rust/src/pattern.rs      |   19 ++++++++-----------
 rust/src/property_bag.rs |   10 +++-------
 rust/src/shapes.rs       |    3 ++-
 rust/src/structure.rs    |   11 +++--------
 rust/src/transform.rs    |   14 ++++++--------
 rust/src/viewbox.rs      |    6 +++---
 17 files changed, 71 insertions(+), 105 deletions(-)
---
diff --git a/rust/src/aspect_ratio.rs b/rust/src/aspect_ratio.rs
index 7e492f1..9925d04 100644
--- a/rust/src/aspect_ratio.rs
+++ b/rust/src/aspect_ratio.rs
@@ -15,10 +15,8 @@
 //! [`AspectRatio`]: struct.AspectRatio.html
 //! [spec]: https://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
 
-extern crate libc;
-extern crate glib;
-
-use self::glib::translate::*;
+use ::libc;
+use ::glib::translate::*;
 
 use std::str::FromStr;
 
diff --git a/rust/src/bbox.rs b/rust/src/bbox.rs
index cc5dccb..eb9931f 100644
--- a/rust/src/bbox.rs
+++ b/rust/src/bbox.rs
@@ -1,6 +1,6 @@
-extern crate cairo;
-extern crate glib_sys;
-extern crate glib;
+use ::cairo;
+use ::glib_sys;
+use ::glib;
 
 use self::cairo::MatrixTrait;
 use self::glib::translate::*;
diff --git a/rust/src/drawing_ctx.rs b/rust/src/drawing_ctx.rs
index 0e8e8ad..ed8fe34 100644
--- a/rust/src/drawing_ctx.rs
+++ b/rust/src/drawing_ctx.rs
@@ -1,10 +1,8 @@
-extern crate glib_sys;
-extern crate glib;
-extern crate cairo;
-extern crate cairo_sys;
-extern crate libc;
-
-use self::glib::translate::*;
+use ::cairo;
+use ::cairo_sys;
+use ::glib_sys;
+use ::glib::translate::*;
+use ::libc;
 
 use color::*;
 use error::*;
diff --git a/rust/src/gradient.rs b/rust/src/gradient.rs
index 102dc0f..26789da 100644
--- a/rust/src/gradient.rs
+++ b/rust/src/gradient.rs
@@ -1,10 +1,7 @@
-extern crate libc;
-extern crate cairo;
-extern crate cairo_sys;
-extern crate glib_sys;
-extern crate glib;
-
-use self::glib::translate::*;
+use ::cairo;
+use ::glib_sys;
+use ::glib::translate::*;
+use ::libc;
 
 use bbox::*;
 use drawing_ctx;
diff --git a/rust/src/length.rs b/rust/src/length.rs
index 80ba16b..c0563ce 100644
--- a/rust/src/length.rs
+++ b/rust/src/length.rs
@@ -1,9 +1,7 @@
-extern crate libc;
-extern crate glib;
+use ::glib::translate::*;
+use ::libc;
 
-use std::f64;
-
-use self::glib::translate::*;
+use std::f64::consts::*;
 
 use drawing_ctx;
 use drawing_ctx::RsvgDrawingCtx;
@@ -242,7 +240,7 @@ fn viewport_percentage (x: f64, y: f64) -> f64 {
      * percentage is calculated as the specified percentage of
      * sqrt((actual-width)**2 + (actual-height)**2))/sqrt(2)."
      */
-    return (x * x + y * y).sqrt () / f64::consts::SQRT_2;
+    return (x * x + y * y).sqrt () / SQRT_2;
 }
 
 #[no_mangle]
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index 01e70b1..db675c7 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -1,17 +1,17 @@
-extern crate libc;
-extern crate glib;
 extern crate cairo;
+extern crate cairo_sys;
+extern crate cssparser;
+extern crate glib;
+extern crate glib_sys;
+extern crate lalrpop_util;
+extern crate libc;
 
 #[macro_use]
 extern crate bitflags;
-
-#[macro_use]
-extern crate nom;
-
 #[macro_use]
 extern crate downcast_rs;
-
-extern crate cssparser;
+#[macro_use]
+extern crate nom;
 
 pub use aspect_ratio::{
     rsvg_aspect_ratio_parse,
diff --git a/rust/src/marker.rs b/rust/src/marker.rs
index 728208f..9b88409 100644
--- a/rust/src/marker.rs
+++ b/rust/src/marker.rs
@@ -1,10 +1,7 @@
-extern crate glib;
-extern crate libc;
-extern crate cairo;
-extern crate cairo_sys;
-
-use self::glib::translate::*;
-use self::cairo::MatrixTrait;
+use ::cairo;
+use ::cairo::MatrixTrait;
+use ::glib::translate::*;
+use ::libc;
 
 use std::cell::Cell;
 use std::f64::consts::*;
diff --git a/rust/src/node.rs b/rust/src/node.rs
index 8d7a5fc..b4b4b44 100644
--- a/rust/src/node.rs
+++ b/rust/src/node.rs
@@ -1,28 +1,21 @@
-extern crate libc;
-extern crate glib_sys;
-extern crate glib;
+use ::downcast_rs::*;
+use ::glib_sys;
+use ::glib::translate::*;
+use ::libc;
 
 use std::rc::Rc;
 use std::rc::Weak;
 use std::cell::RefCell;
 use std::ptr;
 
-use downcast_rs::*;
-
 use drawing_ctx::RsvgDrawingCtx;
 use drawing_ctx;
-
+use error::*;
 use handle::RsvgHandle;
-
+use parsers::ParseError;
 use property_bag::RsvgPropertyBag;
-
 use state::RsvgState;
 
-use error::*;
-use parsers::ParseError;
-
-use self::glib::translate::*;
-
 /* A *const RsvgNode is just a pointer for the C code's benefit: it
  * points to an  Rc<Node>, which is our refcounted Rust representation
  * of nodes.
diff --git a/rust/src/parsers.rs b/rust/src/parsers.rs
index 3965db4..e56effe 100644
--- a/rust/src/parsers.rs
+++ b/rust/src/parsers.rs
@@ -1,6 +1,5 @@
-extern crate cairo;
+use ::nom::{IResult, double, is_alphabetic};
 
-use nom::{IResult, double, is_alphabetic};
 use std::str;
 use std::f64::consts::*;
 
diff --git a/rust/src/path_builder.rs b/rust/src/path_builder.rs
index 0f0e23c..55993bd 100644
--- a/rust/src/path_builder.rs
+++ b/rust/src/path_builder.rs
@@ -1,7 +1,8 @@
-use std::f64;
+use ::cairo;
+use ::cairo_sys;
 
-extern crate cairo;
-extern crate cairo_sys;
+use std::f64;
+use std::f64::consts::*;
 
 #[repr(C)]
 pub struct RsvgPathBuilder {
@@ -79,7 +80,7 @@ impl RsvgPathBuilder {
         }
 
         /* X-axis */
-        f = x_axis_rotation * f64::consts::PI / 180.0;
+        f = x_axis_rotation * PI / 180.0;
         sinf = f.sin ();
         cosf = f.cos ();
 
@@ -157,14 +158,14 @@ impl RsvgPathBuilder {
         }
 
         if is_sweep && delta_theta < 0.0 {
-            delta_theta += f64::consts::PI * 2.0;
+            delta_theta += PI * 2.0;
         } else if !is_sweep && delta_theta > 0.0 {
-            delta_theta -= f64::consts::PI * 2.0;
+            delta_theta -= PI * 2.0;
         }
 
         /* Now draw the arc */
 
-        n_segs = (delta_theta / (f64::consts::PI * 0.5 + 0.001)).abs ().ceil () as i32;
+        n_segs = (delta_theta / (PI * 0.5 + 0.001)).abs ().ceil () as i32;
         let n_segs_dbl = n_segs as f64;
 
         for i in 0 .. n_segs {
@@ -193,7 +194,7 @@ impl RsvgPathBuilder {
         let sinf: f64;
         let cosf: f64;
 
-        f = x_axis_rotation * f64::consts::PI / 180.0;
+        f = x_axis_rotation * PI / 180.0;
         sinf = f.sin ();
         cosf = f.cos ();
 
diff --git a/rust/src/path_parser.rs b/rust/src/path_parser.rs
index 06273a5..27c40a3 100644
--- a/rust/src/path_parser.rs
+++ b/rust/src/path_parser.rs
@@ -6,8 +6,6 @@ use std::str::Chars;
 use std::iter::Enumerate;
 use path_builder::*;
 
-use self::glib::translate::*;
-
 extern crate cairo;
 
 struct PathParser<'external> {
diff --git a/rust/src/pattern.rs b/rust/src/pattern.rs
index bbea49d..9cba565 100644
--- a/rust/src/pattern.rs
+++ b/rust/src/pattern.rs
@@ -1,13 +1,15 @@
-extern crate libc;
-extern crate cairo;
-extern crate cairo_sys;
-extern crate glib_sys;
-extern crate glib;
+use ::cairo;
+use ::cairo::MatrixTrait;
+use ::cairo::enums::*;
+use ::cairo::SurfacePattern;
+use ::cairo::Pattern as CairoPattern;
+use ::glib_sys;
+use ::glib::translate::*;
+use ::libc;
 
 use std::cell::RefCell;
 use std::rc::*;
 use std::str::FromStr;
-use self::glib::translate::*;
 
 use aspect_ratio::*;
 use bbox::*;
@@ -23,11 +25,6 @@ use property_bag::*;
 use util::*;
 use viewbox::*;
 
-use self::cairo::MatrixTrait;
-use self::cairo::enums::*;
-use self::cairo::SurfacePattern;
-use self::cairo::Pattern as CairoPattern;
-
 #[derive(Clone)]
 pub struct Pattern {
     pub units:                 Option<PaintServerUnits>,
diff --git a/rust/src/property_bag.rs b/rust/src/property_bag.rs
index 4fa07a1..f334388 100644
--- a/rust/src/property_bag.rs
+++ b/rust/src/property_bag.rs
@@ -1,15 +1,11 @@
-extern crate libc;
-extern crate glib;
+use ::cairo;
+use ::glib::translate::*;
+use ::libc;
 
 use std::str::FromStr;
 
-use self::glib::translate::*;
-use ::cairo;
-use ::cairo::MatrixTrait;
-
 use error::*;
 use length::*;
-use parsers::ParseError;
 use transform::*;
 
 pub enum RsvgPropertyBag {}
diff --git a/rust/src/shapes.rs b/rust/src/shapes.rs
index e960f20..cb4e645 100644
--- a/rust/src/shapes.rs
+++ b/rust/src/shapes.rs
@@ -1,6 +1,7 @@
+use ::libc;
+
 use std::cell::RefCell;
 use std::cell::Cell;
-extern crate libc;
 
 use drawing_ctx;
 use drawing_ctx::*;
diff --git a/rust/src/structure.rs b/rust/src/structure.rs
index c891941..e54d786 100644
--- a/rust/src/structure.rs
+++ b/rust/src/structure.rs
@@ -1,8 +1,6 @@
-extern crate glib;
-extern crate cairo;
-extern crate libc;
-
-use self::glib::translate::*;
+use ::cairo::MatrixTrait;
+use ::glib::translate::*;
+use ::libc;
 
 use std::cell::RefCell;
 use std::cell::Cell;
@@ -20,9 +18,6 @@ use property_bag::*;
 use util::*;
 use viewbox::*;
 
-use self::cairo::MatrixTrait;
-
-
 /***** NodeGroup *****/
 
 struct NodeGroup ();
diff --git a/rust/src/transform.rs b/rust/src/transform.rs
index 0287413..753e618 100644
--- a/rust/src/transform.rs
+++ b/rust/src/transform.rs
@@ -1,11 +1,9 @@
-extern crate lalrpop_util;
-extern crate glib_sys;
-extern crate glib;
-extern crate libc;
-
-extern crate cairo;
-use self::cairo::MatrixTrait;
-use self::glib::translate::*;
+use ::cairo;
+use ::cairo::MatrixTrait;
+use ::glib::translate::*;
+use ::glib_sys;
+use ::libc;
+
 
 use std::f64::consts::*;
 
diff --git a/rust/src/viewbox.rs b/rust/src/viewbox.rs
index 798ccce..48a0cfd 100644
--- a/rust/src/viewbox.rs
+++ b/rust/src/viewbox.rs
@@ -1,6 +1,6 @@
-extern crate cairo;
-extern crate glib_sys;
-extern crate glib;
+use ::cairo;
+use ::glib_sys;
+use ::glib;
 
 use std::str::FromStr;