add a couple helper functions

2 files changed, 10 insertions, 1 deletions

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