add legendtitle for pgfplotsx

2020-04-15 10:35:29 +02:00 · 2020-04-15 10:35:29 +02:00 · 9c1b30f774
commit 9c1b30f774
parent ebfe97a692
1 changed files with 10 additions and 0 deletions
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@ -240,6 +240,16 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
                PGFPlotsX.Axis
            end
            axis = axisf(axis_opt)
+            if sp[:legendtitle] !== nothing
+                push!(axis, PGFPlotsX.Options("\\addlegendimage{empty legend}" => nothing))
+                push!(
+                    axis,
+                    PGFPlotsX.LegendEntry(
+                        string("\\hspace{-.6cm}{\\textbf{", sp[:legendtitle], "}}"),
+                        false,
+                    ),
+                )
+            end
            for (series_index, series) in enumerate(series_list(sp))
                # give each series a uuid for fillbetween
                series_id = uuid4()