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negative x panning if writing direction is set right to left

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so that in right to left writing/drawing system the right part
of the page is drawn first
This commit is contained in:
chrox
2014-08-06 22:06:34 +08:00
parent 0be62439df
commit d7fa72e46c
3 changed files with 12 additions and 5 deletions
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4
frontend/apps/reader/modules/readerpaging.lua
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@@ -644,7 +644,9 @@ function ReaderPaging:onGotoPageRel(diff)
elseif self.zoom_mode:find("width") then
y_pan_off = self.visible_area.h * diff
elseif self.zoom_mode:find("height") then
x_pan_off = self.visible_area.w * diff
-- negative x panning if writing direction is right to left
local direction = self.ui.document.configurable.writing_direction
x_pan_off = self.visible_area.w * diff * (direction == 1 and -1 or 1)
else
-- must be fit content or page zoom mode
if self.visible_area.w == self.page_area.w then