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c9e20704a4
Since parameter 'render_mode' is related to djvu-documents only, the hotkey 'R' and the respective function to toggle 'render_mode' are moved from unireader to djvureader.
61 lines
1.6 KiB
Lua
61 lines
1.6 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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self.commands:add(KEY_R, nil, "R",
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"toggle rendering mode: b&w/colour",
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function(DJVUReader)
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DJVUReader:toggle_render_mode()
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end)
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end
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-------------------------------------------------------
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-- toggle rendering mode between colour (0) and b&w (1)
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-------------------------------------------------------
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function DJVUReader:toggle_render_mode()
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InfoMessage:show("New render_mode = "..self.render_mode, 1)
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Debug("toggle_render_mode, render_mode=", self.render_mode)
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self.render_mode = 1 - self.render_mode
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self:clearCache()
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self.doc:cleanCache()
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self:redrawCurrentPage()
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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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