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add ReaderFont:onChangeFontGamma()

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This commit is contained in:
Qingping Hou
2013-01-07 16:42:23 -05:00
parent 204cfb2b17
commit 61613323fe
1 changed files with 17 additions and 3 deletions
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20
frontend/ui/reader/readerfont.lua
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@@ -4,6 +4,8 @@ ReaderFont = InputContainer:new{
line_space_percent = 100,
font_menu_title = "Font Menu",
face_table = nil,
-- default gamma from crengine's lvfntman.cpp
gamma_index = 15,
}
function ReaderFont:init()
@@ -143,6 +145,21 @@ function ReaderFont:onToggleFontBolder()
return true
end
function ReaderFont:onChangeFontGamma(direction)
if direction == "increase" then
cre.setGammaIndex(self.gamma_index+2)
elseif direction == "decrease" then
cre.setGammaIndex(self.gamma_index-2)
end
self.gamma_index = cre.getGammaIndex()
UIManager:show(Notification:new{
text = "Changing gamma to "..self.gamma_index..".",
timeout = 1
})
self.ui:handleEvent(Event:new("RedrawCurrentView"))
return true
end
function ReaderFont:onCloseDocument()
--@TODO save line spacing and other configs (houqp)
self.ui.doc_settings:saveSetting("font_face", self.font_face)
@@ -155,12 +172,9 @@ function ReaderFont:setFont(face)
msg = InfoMessage:new{ text = "Redrawing with "..face }
UIManager:show(msg)
DEBUG("-----------", self.ui.document:getXPointer())
self.ui.document:setFontFace(face)
DEBUG("1111-----------", self.ui.document:getXPointer())
-- signal readerrolling to update pos in new height
self.ui:handleEvent(Event:new("UpdatePos"))
DEBUG("2222-----------", self.ui.document:getXPointer())
UIManager:close(msg)
end