ce5614ef6f
a bit of cleanup, switched width/height combo over to use Geom() objects, moved framebuffer handling to Screen object, callback syntax sanitizing, lots of small changes
79 lines
2.1 KiB
Lua
79 lines
2.1 KiB
Lua
require "cache"
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require "ui/geometry"
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CreDocument = Document:new{
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_document = false,
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line_space_percent = 100,
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--dc_null = DrawContext.new()
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}
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-- NuPogodi, 20.05.12: inspect the zipfile content
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function CreDocument:zipContentExt(fname)
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local outfile = "./data/zip_content"
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local s = ""
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os.execute("unzip ".."-l \""..fname.."\" > "..outfile)
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local i = 1
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if io.open(outfile,"r") then
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for lines in io.lines(outfile) do
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if i == 4 then s = lines break else i = i + 1 end
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end
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end
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-- return the extention
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return string.lower(string.match(s, ".+%.([^.]+)"))
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end
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function CreDocument:init()
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-- we need to initialize the CRE font list
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local fonts = Font:getFontList()
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for _k, _v in ipairs(fonts) do
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local ok, err = pcall(cre.registerFont, Font.fontdir..'/'.._v)
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if not ok then
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DEBUG(err)
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end
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end
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--local default_font = G_reader_settings:readSetting("cre_font")
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--if default_font then
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--self.default_font = default_font
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--end
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local ok
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local file_type = string.lower(string.match(self.file, ".+%.([^.]+)"))
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if file_type == "zip" then
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-- NuPogodi, 20.05.12: read the content of zip-file
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-- and return extention of the 1st file
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file_type = self:zipContentExt(filename)
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end
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-- these two format use the same css file
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if file_type == "html" then
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file_type = "htm"
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end
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-- if native css-file doesn't exist, one needs to use default cr3.css
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if not io.open("./data/"..file_type..".css") then
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file_type = "cr3"
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end
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local style_sheet = "./data/"..file_type..".css"
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ok, self._document = pcall(cre.openDocument, self.file, style_sheet,
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Screen:getWidth(), Screen:getHeight())
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if not ok then
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self.error_message = self.doc -- will contain error message
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return
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end
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self.is_open = true
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self.info.has_pages = false
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self:_readMetadata()
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self._document:setDefaultInterlineSpace(self.line_space_percent)
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end
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function CreDocument:hintPage(pageno, zoom, rotation)
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end
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function CreDocument:drawPage(target, x, y, rect, pageno, zoom, rotation)
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end
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function CreDocument:renderPage(pageno, rect, zoom, rotation)
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end
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DocumentRegistry:addProvider("txt", "application/txt", CreDocument)
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