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45 lines
1.1 KiB
Lua
45 lines
1.1 KiB
Lua
require "unireader"
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DJVUReader = UniReader:new{}
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-- open a DJVU file and its settings store
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-- DJVU does not support password yet
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function DJVUReader:open(filename)
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local ok
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ok, self.doc = pcall(djvu.openDocument, filename, self.cache_document_size)
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if not ok then
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return ok, self.doc -- this will be the error message instead
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end
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return ok
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end
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function DJVUReader:init()
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self:addAllCommands()
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self:adjustDjvuReaderCommand()
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end
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function DJVUReader:adjustDjvuReaderCommand()
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self.commands:del(KEY_J, MOD_SHIFT, "J")
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self.commands:del(KEY_K, MOD_SHIFT, "K")
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end
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----------------------------------------------------
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-- highlight support
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----------------------------------------------------
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function DJVUReader:getText(pageno)
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return self.doc:getPageText(pageno)
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end
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-- for incompatible API fixing
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function DJVUReader:invertTextYAxel(pageno, text_table)
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local _, height = self.doc:getOriginalPageSize(pageno)
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for _,text in pairs(text_table) do
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for _,line in ipairs(text) do
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line.y0, line.y1 = (height - line.y1), (height - line.y0)
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end
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end
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return text_table
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end
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