Merge pull request #26 from pfitzseb/sp/juno

get Juno theme colors from Atom syntax theme

REQUIRE

@@ -1,2 +1,3 @@
 julia 0.6
 PlotUtils 0.4
+Requires

src/PlotThemes.jl

@@ -2,7 +2,7 @@ __precompile__(true)
 
 module PlotThemes
 
-using PlotUtils
+using PlotUtils, Requires
 
 export
     add_theme, palette
@@ -49,10 +49,10 @@ include("solarized.jl")
 include("sand.jl")
 include("lime.jl")
 include("orange.jl")
-include("juno.jl")
 include("wong.jl")
+include("juno.jl")
 
-function __init__()
+@init begin
     # need to do this here so PlotUtils picks up the change
     for (s,thm) in _themes
         add_theme(s, thm)

src/juno.jl

@@ -5,6 +5,7 @@ juno_palette = [
     colorant"#3f9778", # green
     colorant"#005D7F" # blue
 ]
+
 juno_bg = colorant"#282C34"
 
 _themes[:juno] = PlotTheme(
@@ -15,6 +16,34 @@ _themes[:juno] = PlotTheme(
     fgguide = colorant"#9EB1BE",
     fglegend = colorant"#9EB1BE",
     palette = expand_palette(juno_bg, juno_palette; lchoices=linspace(57,57,1),
-                                          cchoices=linspace(100,100,1)),
+                                                    cchoices=linspace(100,100,1)),
     gradient = cgrad(:fire).colors
 )
+
+@require Juno begin
+    if Juno.isactive()
+        colors = Juno.syntaxcolors()
+        colors = Dict(k => parse(Colorant, "#"*hex(colors[k], 6)) for (k, v) in colors)
+
+        juno_palette = unique([colors[k] for k in keys(colors) if k ∉ ["background", "variable"]])
+
+        colvec = sort(HSV.(juno_palette), lt=(a,b) -> a.h < b.h)
+        filter!(c -> c.s > 0.5*mean(c -> c.s, colvec), colvec)
+        grad = Vector{eltype(colvec)}(0)
+        for i = 1:length(colvec)-1
+            append!(grad, linspace(colvec[i], colvec[i+1]))
+        end
+
+        _themes[:juno] = PlotTheme(
+            bg = colors["background"],
+            bginside = colors["background"],
+            fg = colors["variable"],
+            fgtext = colors["variable"],
+            fgguide = colors["variable"],
+            fglegend = colors["variable"],
+            palette = expand_palette(colors["background"], juno_palette; lchoices=linspace(57,57,1),
+                                                                         cchoices=linspace(100,100,1)),
+            gradient = grad
+        )
+    end
+end