mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
5982e24d57
colors were a mixture of 4bpp integers (0=white, 15=black) and fractional blackness levels (0=white, 1.0=black) before. This is now unified to use the color specification of the Blitbuffer API.
55 lines
1.6 KiB
Lua
55 lines
1.6 KiB
Lua
local Widget = require("ui/widget/widget")
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local Geom = require("ui/geometry")
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local Blitbuffer = require("ffi/blitbuffer")
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--[[
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ProgressWidget shows a progress bar
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--]]
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local ProgressWidget = Widget:new{
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width = nil,
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height = nil,
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margin_h = 3,
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margin_v = 1,
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radius = 2,
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bordersize = 1,
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bordercolor = Blitbuffer.COLOR_BLACK,
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bgcolor = Blitbuffer.COLOR_WHITE,
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rectcolor = Blitbuffer.gray(0.7),
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percentage = nil,
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ticks = {},
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tick_width = 3,
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last = nil,
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}
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function ProgressWidget:getSize()
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return { w = self.width, h = self.height }
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end
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function ProgressWidget:paintTo(bb, x, y)
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local my_size = self:getSize()
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self.dimen = Geom:new{
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x = x, y = y,
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w = my_size.w,
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h = my_size.h
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}
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bb:paintRoundedRect(x, y, my_size.w, my_size.h, self.bgcolor, self.radius)
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bb:paintBorder(x, y, my_size.w, my_size.h,
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self.bordersize, self.bordercolor, self.radius)
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bb:paintRect(x+self.margin_h, y+self.margin_v+self.bordersize,
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(my_size.w-2*self.margin_h)*self.percentage,
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(my_size.h-2*(self.margin_v+self.bordersize)), self.rectcolor)
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for i=1, #self.ticks do
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local page = self.ticks[i]
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bb:paintRect(
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x + (my_size.w-2*self.margin_h)*(page/self.last),
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y + self.margin_v + self.bordersize, self.tick_width,
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(my_size.h-2*(self.margin_v+self.bordersize)), self.bordercolor)
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end
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end
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function ProgressWidget:setPercentage(percentage)
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self.percentage = percentage
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end
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return ProgressWidget
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