added backend template

src/backends/immerse.jl

@@ -53,9 +53,6 @@ end
 getGadflyContext(::ImmersePackage, plt::Plot) = plt.o[2]
 getGadflyContext(::ImmersePackage, subplt::Subplot) = buildGadflySubplotContext(subplt)
 
-# getImmerseObject(plt::Plot) = plt.o[2]
-# getImmerseObject(subplt::Subplot) = buildGadflySubplotContext(subplt)
-
 function savepng(::ImmersePackage, plt::PlottingObject, fn::String;
                                     w = 6 * Immerse.inch,
                                     h = 4 * Immerse.inch)

src/backends/template.jl

@@ -0,0 +1,50 @@
+
+# TODO: find/replace all [PkgName] with CamelCase, all [pkgname] with lowercase
+
+# [WEBSITE]
+
+immutable [PkgName]Package <: PlottingPackage end
+
+[pkgname]!() = plotter!(:[pkgname])
+
+
+
+# ---------------------------------------------------------------------------
+
+function plot(pkg::[PkgName]Package; kw...)
+  d = Dict(kw)
+  # TODO: create the window/canvas/context that is the plot within the backend (call it `o`)
+  # TODO: initialize the plot... title, xlabel, bgcolor, etc
+  Plot(o, pkg, 0, d, Dict[])
+end
+
+
+function plot!(::[PkgName]Package, plt::Plot; kw...)
+  d = Dict(kw)
+  # TODO: add one series to the underlying package
+  push!(plt.seriesargs, d)
+  plt
+end
+
+
+function Base.display(::[PkgName]Package, plt::Plot)
+  # TODO: display/show the plot
+end
+
+# -------------------------------
+
+function savepng(::[PkgName]Package, plt::PlottingObject, fn::String; kw...)
+  # TODO: save a PNG of the underlying plot/subplot object
+end
+
+
+# -------------------------------
+
+function buildSubplotObject!(::[PkgName]Package, subplt::Subplot)
+  # TODO: build the underlying Subplot object.  this is where you might layout the panes within a GUI window, for example
+end
+
+
+function Base.display(::[PkgName]Package, subplt::Subplot)
+  # TODO: display/show the Subplot object
+end