UnicodePlots: Ensure integer resolution and divide size by 10

Author: pjaap

ext/GridVisualizeUnicodePlotsExt.jl

@@ -64,8 +64,8 @@ function gridplot!(ctx, TP::Type{UnicodePlotsType}, ::Type{Val{2}}, grid)
         color = ctx[:color]
     end
 
-    # determine resolution
-    resolution = @. Int(round(ctx[:size]))
+    # determine resolution (divided by 10, to reduce pixel count in the terminal)
+    resolution = ctx[:size] ./ 10
     legend_space = 4
     aspect = ctx[:aspect] * resolution[1] / (resolution[1] + legend_space)
 
@@ -80,6 +80,9 @@ function gridplot!(ctx, TP::Type{UnicodePlotsType}, ::Type{Val{2}}, grid)
         end
     end
 
+    # we need an integer resolution
+    resolution = @. Int(round(resolution))
+
     # create UnicodePlots.Canvas
     padding = 0.1 * max(ex[2] - ex[1], ey[2] - ey[1])
     ex = (ex[1] - 2 * padding, ex[2] + 0.5 * padding)
@@ -212,8 +215,8 @@ function gridplot!(ctx, TP::Type{UnicodePlotsType}, ::Type{Val{1}}, grid)
         color = ctx[:color]
     end
 
-    # determine resolution
-    resolution = (Int(round(ctx[:size][1])), 5)
+    # determine resolution (divided by 10, to reduce pixel count in the terminal)
+    resolution = (Int(round(ctx[:size][1] / 10)), 5)
 
     # create UnicodePlots.Canvas
     legend_space = 5
@@ -303,7 +306,7 @@ function scalarplot!(
     )
 
     nfuncs = length(funcs)
-    resolution = @. Int(round(ctx[:size]))
+    resolution = @. Int(round(ctx[:size] ./ 10)) # reduce pixel count in the terminal
     ylim = ctx[:limits]
 
     if ylim[1] > ylim[2]
@@ -338,7 +341,7 @@ function scalarplot!(
     )
 
     func = funcs[1]
-    resolution = @. Int(round(ctx[:size]))
+    resolution = @. Int(round(ctx[:size] ./ 10)) # reduce pixel count in the terminal
     ylim = ctx[:limits]
     colormap = ctx[:colormap]