Layout Preview – Render live Pattern preview in separate layer.
Fill Color – Choice of color for preview geometry fill.
Stroke Color – Choice of color for preview geometry stroke (when Stroke Thickness > 0).
Stroke Thickness – Controls preview geometry stroke thickness.
When Gap value = 0 actual stroke thickness value is multiplied by 2.
Reset to Default – Reset color and thickness values by default (the default color value can be set in Preferences).
Render Content – The button with green triangle enables Content rendering. Active when Source Image is loaded.
Clear Canvas – This clear all Content and Preview layers and sets to full transparent background.