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make up/down levels same

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I use addition and substraction instead of multipiciation with factor
to make zoom deterministic (and this, one zoom up too many can be undone
with simple zoom out which wasn't the case).
This commit is contained in:
Dobrica Pavlinusic
2012-02-29 19:32:00 +01:00
parent 12fee4f7c5
commit ba13e6b410
1 changed files with 4 additions and 4 deletions
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8
pdfreader.lua
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@@ -361,17 +361,17 @@ function PDFReader:inputloop()
self.altmode = true
elseif ev.code == KEY_PGFWD or ev.code == KEY_LPGFWD then
if self.shiftmode then
self:setglobalzoom(self.globalzoom*1.2)
self:setglobalzoom(self.globalzoom+0.2)
elseif self.altmode then
self:setglobalzoom(self.globalzoom*1.1)
self:setglobalzoom(self.globalzoom+0.1)
else
self:goto(self.pageno + 1)
end
elseif ev.code == KEY_PGBCK or ev.code == KEY_LPGBCK then
if self.shiftmode then
self:setglobalzoom(self.globalzoom*0.8)
self:setglobalzoom(self.globalzoom-0.2)
elseif self.altmode then
self:setglobalzoom(self.globalzoom*0.9)
self:setglobalzoom(self.globalzoom-0.1)
else
self:goto(self.pageno - 1)
end