mirror of
https://github.com/koreader/koreader
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144 lines
4.1 KiB
Markdown
144 lines
4.1 KiB
Markdown
KOReader
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========
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This is a document viewer application, originally created for usage on the
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Kindle e-ink reader. It currently supports Kindle 5 (Touch), Kindle Paperwhite
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and Kobo devices. Kindles need to be jailbroken in order to install the
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application. Also, a kind of external launcher is needed.
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KOReader started as the KindlePDFViewer application, but it supports much more
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formats than PDF now. Among them are DJVU, FB2, EPUB, TXT, CBZ, HTML.
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KOReader is a frontend written in Lua and uses the API presented by the
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KOReader-base framework. KOReader implements a GUI and is currently targeted
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at Touch-based devices - for the classic user interface for button-driven
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e-ink devices (like the Kindle 2, Kindle DX, Kindle 3, Kindle 4) see the
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KindlePDFviewer legacy project or - especially for the Kindle 4 - have a look
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at its fork Librerator.
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The application is licensed under the GPLv3 (see COPYING file).
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Prerequisites
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========
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Instructions about how to get and compile the source are intended for a \*nix
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OS. Windows users are suggested to develop in a Linux VM or use
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andLinux, Wubi.
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To get and compile the source you must have `patch`, `wget`, `unzip`, `git`,
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`svn`, `autoconf` and `cmake` installed.
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Version of autoconf need to be greater than 2.64.
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Cross toolchains are available to Ubuntu users through these commands:
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```
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# building for Kindle
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sudo apt-get install gcc-arm-linux-gnueabi g++-arm-linux-gnueabi
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# building for Kobo
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sudo apt-get install gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
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```
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You might also need SDL library packages if you want to compile and run
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Koreader on PC. Fedora users can install `SDL` and `SDL-devel`. Ubuntu users can
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install `libsdl1.2-dev`.
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Getting the source
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========
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```
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git clone https://github.com/koreader/koreader.git
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cd koreader
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make fetchthirdparty
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```
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Building & Running
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========
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For real eink devices
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---------------------
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If you already done an emulator build, you must do:
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```
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make clean
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```
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To build for the Kindle:
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```
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make customupdate
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```
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To build for the Kobo:
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```
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make TARGET_DEVICE=KOBO koboupdate
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```
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To run, you must call the script reader.lua. Run it without arguments to see
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usage notes. Note that the script and the koreader-base binary currently must
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be in the same directory.
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You may checkout our [nightlybuild script][nb-script] to see how to build a
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package from scratch.
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For emulating
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-----------
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If you already done a real device build, you must do:
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```
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make clean
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```
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To build:
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```
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EMULATE_READER=1 make
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```
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To run:
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```
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cd koreader-*/koreader && ./reader.lua -d ./
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```
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You can also specify size of emulator's screen via environment variables.
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For more information, please refer to [koreader-base's README][base-readme].
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To use your own koreader-base repo instead of the default one change KOR_BASE
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environment variable:
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```
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EMULATE_READER=1 make KOR_BASE=../koreader-base
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```
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This will be handy if you are developing koreader-base and want to test your
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modifications with kroeader frontend. NOTE: only support relative path for now.
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Use ccache
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==========
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Ccache can speed up recompilation by caching previous compilations and detecting
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when the same compilation is being done again. In other words, it will decrease
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build time when the source have been built. Ccache support has been added to
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KOReader's build system. Before using it, you need to install a ccache in your
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system.
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* in ubuntu use:`sudo apt-get install ccache`
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* in fedora use:`sudo yum install ccache`
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* install from source:
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* get latest ccache source from http://ccache.samba.org/download.html
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* unarchieve the source package in a directory
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* cd to that directory and use:`./configure && make && sudo make install`
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* after using ccache, make a clean build will only take 15sec. Enjoy!
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* to disable ccache, use `export USE_NO_CCACHE=1` before make.
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* for more detail about ccache. visit:
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http://ccache.samba.org
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[base-readme]:https://github.com/koreader/koreader-base/blob/master/README.md
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[nb-script]:https://github.com/koreader/koreader-misc/blob/master/koreader-nightlybuild/koreader-nightlybuild.sh
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