From 951032ffbe7a1018b95064b6a4bdac0e8148c0eb Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 26 Oct 2014 12:38:04 -0400
Subject: add a couple helper functions

---
 examples/mandelbrot.jl |  2 +-
 src/FractalExplorer.jl |  1 +
 src/renderer.jl        | 10 +++++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/examples/mandelbrot.jl b/examples/mandelbrot.jl
index c73f2c9..2b9d26d 100644
--- a/examples/mandelbrot.jl
+++ b/examples/mandelbrot.jl
@@ -8,7 +8,7 @@ iterations = 45
 imgsize = (640, 480)
 
 imgc, imgslice = view([ HSV(0, 0, 0) for y=1:imgsize[2], x=1:imgsize[1] ])
-FractalExplorer.render(imgc, iterations)
+mandelbrot(imgc, iterations)
 
 #If we are not in a REPL
 if (!isinteractive())
diff --git a/src/FractalExplorer.jl b/src/FractalExplorer.jl
index 64a52e6..7a8c206 100644
--- a/src/FractalExplorer.jl
+++ b/src/FractalExplorer.jl
@@ -1,4 +1,5 @@
 module FractalExplorer
+export renderfractal, mandelbrot, julia
 include("fractal.jl")
 include("renderer.jl")
 end
diff --git a/src/renderer.jl b/src/renderer.jl
index 2d6a213..7d7fca7 100644
--- a/src/renderer.jl
+++ b/src/renderer.jl
@@ -3,7 +3,7 @@ using Images
 using ImageView
 using Color
 
-function render(imgc, iterations = 45, make_c = z -> z, step = (z, c) -> z.^2 + c)
+function renderfractal(imgc, iterations, make_c, step)
     imgsize = get_size(canvas(imgc))
     img = [ HSV(0, 0, 0) for y=1:imgsize[1], x=1:imgsize[2] ]
     f = FractalExplorer.Fractal{Float64}(imgsize, make_c, step)
@@ -15,3 +15,11 @@ function render(imgc, iterations = 45, make_c = z -> z, step = (z, c) -> z.^2 +
         view(imgc, img)
     end
 end
+
+function mandelbrot(imgc, iterations = 45)
+    renderfractal(imgc, iterations, z -> z, (z, c) -> z.^2 + c)
+end
+
+function julia(imgc, iterations = 45, c = 0)
+    renderfractal(imgc, iterations, z -> c, (z, c) -> z.^2 + c)
+end
-- 
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