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rect_to_device_geometry: Use gears.matrix.transform_rectangle 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2015-07-25 15:59:41 +02:00
parent 19b9bfc46e
commit 3685077291
1 changed files with 2 additions and 10 deletions
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12
lib/wibox/widget/base.lua
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@ -8,6 +8,7 @@
local debug = require("gears.debug") local debug = require("gears.debug")
local object = require("gears.object") local object = require("gears.object")
local cache = require("gears.cache") local cache = require("gears.cache")
local matrix = require("gears.matrix")
local setmetatable = setmetatable local setmetatable = setmetatable
local pairs = pairs local pairs = pairs
local type = type local type = type
@ -18,16 +19,7 @@ local base = {}
--- Figure out the geometry in device coordinate space. This gives only tight --- Figure out the geometry in device coordinate space. This gives only tight
-- bounds if no rotations by non-multiples of 90° are used. -- bounds if no rotations by non-multiples of 90° are used.
function base.rect_to_device_geometry(cr, x, y, width, height) function base.rect_to_device_geometry(cr, x, y, width, height)
local x1, y1 = cr:user_to_device(x, y) return matrix.transform_rectangle(cr.matrix, x, y, width, height)
local x2, y2 = cr:user_to_device(x, y + height)
local x3, y3 = cr:user_to_device(x + width, y + height)
local x4, y4 = cr:user_to_device(x + width, y)
local x = math.min(x1, x2, x3, x4)
local y = math.min(y1, y2, y3, y4)
local width = math.max(x1, x2, x3, x4) - x
local height = math.max(y1, y2, y3, y4) - y
return x, y, width, height
end end
--- Set/get a widget's buttons --- Set/get a widget's buttons