mirror of
https://github.com/koreader/koreader
synced 2024-11-10 01:10:34 +00:00
26 lines
792 B
Lua
26 lines
792 B
Lua
local WidgetContainer = require("ui/widget/container/widgetcontainer")
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--[[
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CenterContainer centers its content (1 widget) within its own dimensions
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--]]
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local CenterContainer = WidgetContainer:new()
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function CenterContainer:paintTo(bb, x, y)
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local contentSize = self[1]:getSize()
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if contentSize.w > self.dimen.w or contentSize.h > self.dimen.h then
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-- throw error? paint to scrap buffer and blit partially?
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-- for now, we ignore this
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end
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local x_pos = x
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local y_pos = y
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if self.ignore ~= "height" then
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y_pos = y + math.floor((self.dimen.h - contentSize.h)/2)
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end
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if self.ignore ~= "width" then
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x_pos = x + math.floor((self.dimen.w - contentSize.w)/2)
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end
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self[1]:paintTo(bb, x_pos, y_pos)
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end
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return CenterContainer
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