Personal test field on tweaking Orion Viewer (mainly for Nook Simple Touch)
This project is a tweak on the Orion Viewer by Michael Bogdanov:
http://code.google.com/p/orion-viewer/
Currently it is based on Orion-viewer 0.38.5
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Pdf reflow using k2pdfopt at:
http://www.willus.com/k2pdfopt/
and its mod from kindlepdfviewer at:
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Minor fixes in key binding activity and light themes on Nook Simple Touch
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Adapt k2pdfopt to orion-viewer's cropping capability, now able to crop pages before reflow, thanks to libk2pdfopt, a refinement to the original k2pdfopt:
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Able to select words(using OCR). With k2pdfopt's builtin support for tesseract:
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Make sure the page settings(zoom etc) are reset to default and the screen is in portrait mode before you start the reflow. Possibly landscape mode will be support in the future.
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The reflow will destory part of orion-viewer's functionality:
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FIXED: Text selection: Orion Viewer will auto-matically draw the next page when the last patch of bitmap is reached and thus, it will override the current bitmap and the last part cannot make words selection. This is rather strange behavior as k2pdfopt uses one single "Masterinfo" to collect the data, which should be modified in the future.
This issue is fixed by adding a native LRU cache based on pages intead of bitmaps. It seems to work
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User can download prebuilt version from release directory. In order to use OCR for words selection in reflow mode, please download the tesseract-eng-chn.tar.gz, unpack it and copy the tesseract directory to /sdcard/data/
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Build the mupdf library cd mupdf-1.1-source/android ndk-build
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copy libmupdf.so lto orion-viewer/orion_viewer/libs/armeabi/
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In orion-viewer/orion_viewer, configure your sdk_dir and run ant debug