#186 LAYOUT_AS_SKETCH() styles can be set via SET_SKETCH_STYLE() (2 - border and arrow color changed too)

C4.puml

@@ -928,7 +928,23 @@ hide stereotype
   skinparam backgroundColor $SKETCH_BG_COLOR
 !endif
 !if $SKETCH_FONT_COLOR > ""
-  skinparam defaultFontColor $SKETCH_FONT_COLOR
+  skinparam footer {
+    FontColor $SKETCH_FONT_COLOR
+  }
+  !if $ARROW_COLOR == "#666666"
+    !global $ARROW_COLOR = $SKETCH_FONT_COLOR
+    skinparam arrow {
+      Color $ARROW_COLOR
+      FontColor $ARROW_COLOR
+    }
+  !endif
+  !if $BOUNDARY_COLOR == "#444444"
+    !global $BOUNDARY_COLOR = $SKETCH_FONT_COLOR
+    skinparam rectangle<<boundary>> {
+      FontColor $BOUNDARY_COLOR
+      BorderColor $BOUNDARY_COLOR
+    }
+  !endif
 !endif
 !if $SKETCH_FONT_NAMES > ""
   skinparam defaultFontName $SKETCH_FONT_NAME

percy/TestSketchStyle.puml

@@ -0,0 +1,28 @@
+@startuml LAYOUT_AS_SKETCH Sample
+!if %variable_exists("RELATIVE_INCLUDE")
+  !include ./../C4_Container.puml
+!else
+  !include https://raw.githubusercontent.com/kirchsth/C4-PlantUML/extended/C4_Container.puml
+!endif
+
+SET_SKETCH_STYLE($bgColor="lightblue", $fontColor="darkblue", $warningColor="darkred", $footerWarning="Sketch", $footerText="Created for discussion")
+
+' PNG with font jlm_cmmi10 (typically another font is used)
+' SET_SKETCH_STYLE($fontName="jlm_cmmi10")
+
+' SVG with fallback fonts MS Gothic,Comic Sans MS, Comic Sans, Chalkboard SE, Comic Neue, cursive, sans-serif (typically without "MS Gothic")
+SET_SKETCH_STYLE($fontName="MS Gothic,Comic Sans MS,Comic Sans,Chalkboard SE,Comic Neue,cursive,sans-serif")
+
+LAYOUT_AS_SKETCH()
+
+Person(admin, "Administrator")
+System_Boundary(c1, 'Sample') {
+    Container(web_app, "Web Application", "C#, ASP.NET Core 2.1 MVC", "Allows users to compare multiple Twitter timelines")
+}
+System(twitter, "Twitter")
+
+Rel(admin, web_app, "Uses", "HTTPS")
+Rel(web_app, twitter, "Gets tweets from", "HTTPS")
+
+SHOW_LEGEND()
+@enduml