make sure resolution is Int

Author: chmerdon

ext/GridVisualizeUnicodePlotsExt.jl

@@ -65,7 +65,7 @@ function gridplot!(ctx, TP::Type{UnicodePlotsType}, ::Type{Val{2}}, grid)
     end
 
     # determine resolution
-    resolution = ctx[:size]
+    resolution = @. Int(round(ctx[:size]))
     legend_space = 4
     aspect = ctx[:aspect] * resolution[1] / (resolution[1] + legend_space)
 
@@ -213,7 +213,7 @@ function gridplot!(ctx, TP::Type{UnicodePlotsType}, ::Type{Val{1}}, grid)
     end
 
     # determine resolution
-    resolution = (ctx[:size][1], 5)
+    resolution = (Int(round(ctx[:size][1])), 5)
 
     # create UnicodePlots.Canvas
     legend_space = 5
@@ -303,7 +303,7 @@ function scalarplot!(
     )
 
     nfuncs = length(funcs)
-    resolution = ctx[:size]
+    resolution = @. Int(round(ctx[:size]))
     ylim = ctx[:limits]
 
     if ylim[1] > ylim[2]
@@ -338,7 +338,7 @@ function scalarplot!(
     )
 
     func = funcs[1]
-    resolution = ctx[:size]
+    resolution = resolution = @. Int(round(ctx[:size]))
     ylim = ctx[:limits]
     colormap = ctx[:colormap]