mirror of https://github.com/koreader/koreader
first demo for credocument
Qingping Hou
12 years ago
parent
75ee86b2cb
commit
e7d16de4e2
@ -0,0 +1,79 @@
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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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G_width, G_height)
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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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@ -0,0 +1,50 @@
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ReaderRolling = InputContainer:new{
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key_events = {
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GotoNextView = { {Input.group.PgFwd}, doc = "go to next view", event = "GotoViewRel", args = 1 },
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GotoPrevView = { {Input.group.PgBack}, doc = "go to previous view", event = "GotoViewRel", args = -1 },
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GotoFirst = { {"1"}, doc = "go to start", event = "GotoPercent", args = 0},
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Goto11 = { {"2"}, doc = "go to 11%", event = "GotoPercent", args = 11},
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Goto22 = { {"3"}, doc = "go to 22%", event = "GotoPercent", args = 22},
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Goto33 = { {"4"}, doc = "go to 33%", event = "GotoPercent", args = 33},
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Goto44 = { {"5"}, doc = "go to 44%", event = "GotoPercent", args = 44},
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Goto55 = { {"6"}, doc = "go to 55%", event = "GotoPercent", args = 55},
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Goto66 = { {"7"}, doc = "go to 66%", event = "GotoPercent", args = 66},
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Goto77 = { {"8"}, doc = "go to 77%", event = "GotoPercent", args = 77},
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Goto88 = { {"9"}, doc = "go to 88%", event = "GotoPercent", args = 88},
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GotoLast = { {"0"}, doc = "go to end", event = "GotoPercent", args = 100},
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},
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current_pos = 0,
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length = nil,
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}
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function ReaderRolling:init()
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self.length = self.ui.document.info.length
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end
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function ReaderRolling:onPosUpdate(new_pos)
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self.current_pos = new_pos
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end
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function ReaderRolling:gotoPos(new_pos)
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if new_pos == self.current_pos then return end
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if new_pos < 0 then new_pos = 0 end
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if new_pos > self.length then new_pos = self.length end
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self.ui:handleEvent(Event:new("PosUpdate", new_pos))
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end
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function ReaderRolling:onGotoPercent(percent)
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DEBUG("goto document offset in percent:", percent)
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self:gotoPos(percent * self.length / 10000)
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return true
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end
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function ReaderRolling:onGotoViewRel(diff)
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DEBUG("goto relative screen:", diff)
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self:gotoPos(self.current_pos + diff * self.ui.dimen.h)
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return true
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end
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function ReaderRolling:onZoom()
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--@TODO re-read length info after font or lineheight changes 05.06 2012 (houqp)
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end
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