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koreader/frontend/ui/elements/waveform_level.lua
ezdiy 5a86443eb1
Pocketbook: waveform presets (#6794)
On pocketbook, update modes are not as clear cut due to overall
chipset and kernel version mess. Inkview solves this by always
using the slowest (and safe) GC16 waveform. We now do that too
by default.

Slow updates suck though, so there's now a menu entry to configure
it for speed (with mild artifacts at best, kernel panic at worst).

This is a generic interface (any eink Screen can announce support).
The driver may interpret the slow/fast range however they want.
2020-10-22 13:23:09 +02:00

37 lines
976 B
Lua

local _ = require("gettext")
local Device = require("device")
local InfoMessage = require("ui/widget/infomessage")
local UIManager = require("ui/uimanager")
local Screen = Device.screen
local T = require("ffi/util").template
local items = {}
for i=0, Screen.wf_level_max do
local info
if i == 0 then
info = _("Level 0: high quality, slowest")
elseif i == Screen.wf_level_max then
info = T(_("Level %1: low quality, fastest"), i)
else
info = T(_("Level %1"), i)
end
table.insert(items, {
text = info,
checked_func = function() return Screen.wf_level == i end,
callback = function()
Screen.wf_level = i
G_reader_settings:saveSetting("wf_level", i)
UIManager:show(InfoMessage:new{
text = _("This will take effect on next restart."),
})
end,
})
end
return {
text = _("Refresh speed/fidelity"),
sub_item_table = items,
}