renun/koreader
1
0
Fork 0
mirror of https://github.com/koreader/koreader.git synced 2025-08-10 00:52:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

synchronize hightlights in non-/reflowing modes

Browse Source 
and there is no need to OCR word if we can extract text from
original page in reflowing mode thanks to the rect maps between
normal page and reflowed page.
This commit is contained in:
chrox
2013-10-12 23:07:13 +08:00
parent 2f61b96748
commit 4660a3532b
7 changed files with 599 additions and 395 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
frontend/document/djvudocument.lua
View File

@@ -1,7 +1,5 @@
require "cache"
require "ui/geometry"
require "ui/screen"
require "ui/device"
require "ui/reader/readerconfig"
require "ui/data/koptoptions"
require "document/koptinterface"
@@ -11,8 +9,6 @@ DjvuDocument = Document:new{
-- libdjvulibre manages its own additional cache, default value is hard written in c module.
djvulibre_cache_size = nil,
dc_null = DrawContext.new(),
screen_size = Screen:getSize(),
screen_dpi = Device:getModel() == "KindlePaperWhite" and 212 or 167,
options = KoptOptions,
configurable = Configurable,
koptinterface = KoptInterface,
@@ -47,35 +43,6 @@ function validDjvuFile(filename)
return true
end
function DjvuDocument:getTextBoxes(pageno)
if self.configurable.text_wrap == 1 then
return self.koptinterface:getReflewTextBoxes(self, pageno)
else
local text = self._document:getPageText(pageno)
if not text or #text == 0 then
return self.koptinterface:getTextBoxes(self, pageno)
else
return text
end
end
end
function DjvuDocument:getOCRWord(pageno, rect)
if self.configurable.text_wrap == 1 then
return self.koptinterface:getReflewOCRWord(self, pageno, rect)
else
return self.koptinterface:getOCRWord(self, pageno, rect)
end
end
function DjvuDocument:getUsedBBox(pageno)
-- djvu does not support usedbbox, so fake it.
local used = {}
local native_dim = self:getNativePageDimensions(pageno)
used.x0, used.y0, used.x1, used.y1 = 0, 0, native_dim.w, native_dim.h
return used
end
function DjvuDocument:invertTextYAxel(pageno, text_table)
local _, height = self.doc:getOriginalPageSize(pageno)
for _,text in pairs(text_table) do
@@ -86,44 +53,52 @@ function DjvuDocument:invertTextYAxel(pageno, text_table)
return text_table
end
function DjvuDocument:getPageTextBoxes(pageno)
return self._document:getPageText(pageno)
end
function DjvuDocument:getWordFromPosition(spos)
return self.koptinterface:getWordFromPosition(self, spos)
end
function DjvuDocument:getTextFromPositions(spos0, spos1)
return self.koptinterface:getTextFromPositions(self, spos0, spos1)
end
function DjvuDocument:getPageBoxesFromPositions(pageno, ppos0, ppos1)
return self.koptinterface:getPageBoxesFromPositions(self, pageno, ppos0, ppos1)
end
function DjvuDocument:getOCRWord(pageno, rect)
return self.koptinterface:getOCRWord(self, pageno, rect)
end
function DjvuDocument:getUsedBBox(pageno)
-- djvu does not support usedbbox, so fake it.
local used = {}
local native_dim = self:getNativePageDimensions(pageno)
used.x0, used.y0, used.x1, used.y1 = 0, 0, native_dim.w, native_dim.h
return used
end
function DjvuDocument:getPageBBox(pageno)
if self.configurable.text_wrap ~= 1 and self.configurable.trim_page > 0 then
return self.koptinterface:getAutoBBox(self, pageno)
else
return Document.getPageBBox(self, pageno)
end
return self.koptinterface:getPageBBox(self, pageno)
end
function DjvuDocument:getPageDimensions(pageno, zoom, rotation)
if self.configurable.text_wrap == 1 then
return self.koptinterface:getPageDimensions(self, pageno, zoom, rotation)
else
return Document.getPageDimensions(self, pageno, zoom, rotation)
end
return self.koptinterface:getPageDimensions(self, pageno, zoom, rotation)
end
function DjvuDocument:renderPage(pageno, rect, zoom, rotation, gamma, render_mode)
if self.configurable.text_wrap == 1 then
return self.koptinterface:renderPage(self, pageno, rect, zoom, rotation, render_mode)
else
return Document.renderPage(self, pageno, rect, zoom, rotation, gamma, render_mode)
end
return self.koptinterface:renderPage(self, pageno, rect, zoom, rotation, gamma, render_mode)
end
function DjvuDocument:hintPage(pageno, zoom, rotation, gamma, render_mode)
if self.configurable.text_wrap == 1 then
self.koptinterface:hintPage(self, pageno, zoom, rotation, gamma, render_mode)
else
Document.hintPage(self, pageno, zoom, rotation, gamma, render_mode)
end
return self.koptinterface:hintPage(self, pageno, zoom, rotation, gamma, render_mode)
end
function DjvuDocument:drawPage(target, x, y, rect, pageno, zoom, rotation, gamma, render_mode)
if self.configurable.text_wrap == 1 then
self.koptinterface:drawPage(self, target, x, y, rect, pageno, zoom, rotation, render_mode)
else
Document.drawPage(self, target, x, y, rect, pageno, zoom, rotation, gamma, render_mode)
end
return self.koptinterface:drawPage(self, target, x, y, rect, pageno, zoom, rotation, gamma, render_mode)
end
DocumentRegistry:addProvider("djvu", "application/djvu", DjvuDocument)