Imports gioui.org/f32 gioui.org/io/pointer gioui.org/layout gioui.org/op/clip gioui.org/op/paint gioui.org/widget gioui.org/widget/material golang.org/x/exp/shiny/materialdesign/icons gioui.org/unit gioui.org/op gioui.org/gesture Standard library imports encoding/hex image image/color math strconv