bar_width and bar_edges keywords; small fixes

src/args.jl

@@ -146,6 +146,8 @@ _series_defaults[:marker_z]          = nothing   # value for color scale
 _series_defaults[:levels]            = 15
 _series_defaults[:orientation]       = :vertical
 _series_defaults[:bar_position]      = :overlay  # for bar plots and histograms: could also be stack (stack up) or dodge (side by side)
+_series_defaults[:bar_width]         = 0.8
+_series_defaults[:bar_edges]         = false
 _series_defaults[:xerror]            = nothing
 _series_defaults[:yerror]            = nothing
 _series_defaults[:ribbon]            = nothing
@@ -957,7 +959,7 @@ function _update_subplot_args(plt::Plot, sp::Subplot, d_in::KW, subplot_index::I
         else
             spargs[axissym] = Axis(letter)
         end
-        
+
         # grab magic args (for example `xaxis = (:flip, :log)`)
         args = wraptuple(get(d_in, axissym, ()))
 

src/backends/pyplot.jl

@@ -16,7 +16,7 @@ supportedArgs(::PyPlotBackend) = [
     :markershape, :markercolor, :markersize, :markeralpha,
     :markerstrokewidth, :markerstrokecolor, :markerstrokealpha,
     :fillrange, :fillcolor, :fillalpha,
-    :bins,
+    :bins, :bar_width, :bar_edges,
     :n, :nc, :nr, :layout,
     :smooth,
     :title, :windowtitle, :show, :size,
@@ -94,6 +94,7 @@ end
 getPyPlotColor(c::Colorant, α=nothing) = map(f->float(f(convertColor(c,α))), (red, green, blue, alpha))
 getPyPlotColor(cvec::ColorVector, α=nothing) = map(getPyPlotColor, convertColor(cvec, α).v)
 getPyPlotColor(scheme::ColorScheme, α=nothing) = getPyPlotColor(convertColor(getColor(scheme), α))
+getPyPlotColor(vec::AVec, α=nothing) = map(c->getPyPlotColor(c,α), vec) 
 getPyPlotColor(c, α=nothing) = getPyPlotColor(convertColor(c, α))
 
 function getPyPlotColorMap(c::ColorGradient, α=nothing)
@@ -662,14 +663,14 @@ function _add_series(plt::Plot{PyPlotBackend}, series::Series)
     end
 
     if st == :bar
-        extrakw[isvertical(d) ? :width : :height] = 0.9
+        extrakw[isvertical(d) ? :width : :height] = d[:bar_width]
         handle = ax[isvertical(d) ? :bar : :barh](x, y;
             label = d[:label],
             zorder = plt.n,
             color = pyfillcolor(d),
             edgecolor = pylinecolor(d),
             linewidth = d[:linewidth],
-            align = "center",
+            align = d[:bar_edges] ? "edge" : "center",
             extrakw...
         )[1]
         push!(handles, handle)

src/plot.jl

@@ -179,6 +179,7 @@ function _apply_series_recipe(plt::Plot, d::KW)
         end
 
         # add the series!
+        warnOnUnsupportedArgs(plt.backend, d)
         warnOnUnsupported(plt.backend, d)
         series = Series(d)
         push!(plt.series_list, series)
@@ -269,7 +270,6 @@ function _plot!(plt::Plot, d::KW, args...)
                 end
 
                 # check that the backend will support the command and add it to the list
-                warnOnUnsupportedArgs(plt.backend, kw)
                 warnOnUnsupportedScales(plt.backend, kw)
                 push!(kw_list, kw)