fix auto bbox calculation in in top-to-bottom writing direction

koreader · May 29, 2014 · 3565578 · 3565578
1 parent 88e83ba
commit 3565578
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ffi/koptcontext.lua b/ffi/koptcontext.lua
@@ -216,6 +216,8 @@ function KOPTContext_mt.__index:getTOCRWord(bmp, x, y, w, h, datadir, lang, ocr_
 end
 
 function KOPTContext_mt.__index:getAutoBBox()
+    -- fall back to default writing direction when detecting bbox
+    self:setWritingDirection(0)
     k2pdfopt.k2pdfopt_crop_bmp(self)
     local x0 = self.bbox.x0/self.zoom
     local y0 = self.bbox.y0/self.zoom