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gears.shape: Add powerline shape

This commit is contained in:
Emmanuel Lepage Vallee 2016-01-26 02:39:48 -05:00
parent 4a44b0dc81
commit 0bf76dc984
1 changed files with 17 additions and 0 deletions
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17
lib/gears/shape.lua
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@ -140,6 +140,23 @@ function module.hexagon(cr, width, height)
cr:close_path() cr:close_path()
end end
--- Double arrow popularized by the vim-powerline module
-- @param cr A cairo context
-- @tparam number width The shape with
-- @tparam number height The shape height
-- @tparam[opt=height/2] number arrow_depth The width of the arrow part of the shape
function module.powerline(cr, width, height, arrow_depth)
local arrow_depth = arrow_depth or height/2
cr:move_to(0 , 0 )
cr:line_to(width - arrow_depth , 0 )
cr:line_to(width , height/2 )
cr:line_to(width - arrow_depth , height )
cr:line_to(0 , height )
cr:line_to(arrow_depth , height/2 )
cr:close_path()
end
--- Ajust the shape using a transformation object --- Ajust the shape using a transformation object
-- --
-- Apply various transformations to the shape -- Apply various transformations to the shape