Drop 0.5 support, fix some 0.7 deprecations (#13)

Author: ararslan

.travis.yml

@@ -3,8 +3,7 @@ os:
   - linux
   - osx
 julia:
-  - 0.4
-  - 0.5
+  - 0.6
   - nightly
 notifications:
   email: false

REQUIRE

@@ -1,4 +1,4 @@
-julia 0.5
+julia 0.6
 Colors
-Compat 0.17.0
+Compat 0.48.0
 NaNMath 0.2.4

src/Graphics.jl

@@ -2,14 +2,13 @@ __precompile__()
 
 module Graphics
 
-import Base: +, -, *, /, &, fill, norm
-using Colors
 using Compat
+using Compat.LinearAlgebra
+using Colors
 using NaNMath
 
-if isdefined(Base, :scale)
-    import Base: scale
-end
+import Base: +, -, *, /, &, fill
+import Compat.LinearAlgebra: norm
 
 """
 Graphics defines an API for drawing in two dimensions.
@@ -98,7 +97,7 @@ export
 
 Create a Cartesian representation `v` of a vector (or point) in two dimensions.
 """
-immutable Vec2
+struct Vec2
     x::Float64
     y::Float64
 end
@@ -137,7 +136,7 @@ norm(p::Vec2) = hypot(p.x, p.y)
 Create a representation `bb` of a rectangular region, specifying the
 coordinates of the horizontal (x) and vertical (y) edges.
 """
-immutable BoundingBox
+struct BoundingBox
     xmin::Float64
     xmax::Float64
     ymin::Float64
@@ -300,7 +299,7 @@ macro mustimplement(sig)
 end
 
 # a graphics output device; can create GraphicsContexts
-@compat abstract type GraphicsDevice end
+abstract type GraphicsDevice end
 
 @mustimplement width(gd::GraphicsDevice)
 @mustimplement height(gd::GraphicsDevice)
@@ -311,7 +310,7 @@ ymin(g::GraphicsDevice) = 0
 ymax(g::GraphicsDevice) = height(g)
 
 # an object that can actually be drawn to
-@compat abstract type GraphicsContext end
+abstract type GraphicsContext end
 
 @mustimplement width(gc::GraphicsContext)
 @mustimplement height(gc::GraphicsContext)

test/runtests.jl

@@ -1,10 +1,6 @@
 using Graphics
-if VERSION >= v"0.5.0-dev+7720"
-    using Base.Test
-else
-    using BaseTestNext
-    const Test = BaseTestNext
-end
+using Compat
+using Compat.Test
 
 @testset "Geometry" begin
     ## Point-vector identity (typealias)