A feature-rich online manga streamer and reader for Kobo E-Ink devices, based on Qt5.
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It's cross-platform. While the primary targets are Kobo E-Ink devices, it will also run on Windows, Linux and Mac. Qt5.15 (with OpenSSL) and a platform backend being the only hard dependency.
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It comes with a refined, modern design and a GUI that is DPI independent and will look great on various platforms.
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It supports multiple websites as manga sources with tens of thousands of available mangas.
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It's fast. It will stream, prerender and cache mangapages in advance while reading to minimize loading times and to enable the perfect reading experience.
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It supports offline-reading. Mangas can be downloaded in advance and read later without internet connection.
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It supports favorites and bookmarks reading progress automatically, so you can pick right up reading where you left off.
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It is designed to be ergonomic on E-Readers. It supports configurable gesture inputs, frontlight control and a sleep mode. Custom screensavers can be placed in the screensaver folder and will be picked at random.
First you will need to install a launcher application. I recomend KFMon, the latest release along with install instructions can be found here.
For the application itself just download the latest release here and extract the archive into the root directiory of your Kobo device.
Building the application requires Qt 5.15+ with OpenSSL 1.1.1+.
With Qt creator the build process is straight-foreward.
Building qor kobo targets the requires a cross compiled Qt and a Kobo platform plugin.
See https://github.com/Rain92/qt5-kobo-platform-plugin.
Add CONFIG+=kobo to the qmake arguments and put the plugin source in the same parent folder as the app.
The koxtoolchain is recomendet: https://github.com/koreader/koxtoolchain
Install the dependencies and run:
./gen-tc.sh koboDownload the latest OpenSSL (1.1.1+).
Configure, make and install, for example like this:
export CROSS=/home/${USER}/x-tools/arm-kobo-linux-gnueabihf/bin/arm-kobo-linux-gnueabihf
export SYSROOT=/home/${USER}/x-tools/arm-kobo-linux-gnueabihf/arm-kobo-linux-gnueabihf/sysroot
export AR=${CROSS}-ar
export AS=${CROSS}-as
export CC=${CROSS}-gcc
export CXX=${CROSS}-g++
export LD=${CROSS}-ld
export RANLIB=${CROSS}-ranlib
export CFLAGS="-O3 -march=armv7-a -mfpu=neon -mfloat-abi=hard -D__arm__ -D__ARM_NEON__ -fPIC -fno-omit-frame-pointer -funwind-tables -Wl,--no-merge-exidx-entries"
./Configure linux-elf no-comp no-asm shared --prefix=${SYSROOT}/usr --openssldir=${SYSROOT}/usr
make -j5
make installDownload the latest Qt (5.15+).
A descriptor for the kobo platform has to be added.
In the source folder of Qt go to qtbase\mkspecs and add a new folder named linux-kobo-gnueabihf-g++ with theese two files:
qmake.conf
#
# Kobo qmake configuration
#
MAKEFILE_GENERATOR = UNIX
CONFIG += incremental gdb_dwarf_index
QMAKE_INCREMENTAL_STYLE = sublib
include(../common/linux.conf)
include(../common/gcc-base-unix.conf)
include(../common/g++-unix.conf)
QMAKE_CFLAGS_RELEASE = -O3 -march=armv7-a -mfpu=neon -mfloat-abi=hard -D__arm__ -D__ARM_NEON__ -fPIC -fno-omit-frame-pointer -funwind-tables -Wl,--no-merge-exidx-entries
QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO = $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO -g
QMAKE_CXXFLAGS_RELEASE = $$QMAKE_CFLAGS_RELEASE
QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO = $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO
# modifications to g++.conf
QMAKE_CC = arm-kobo-linux-gnueabihf-gcc
QMAKE_CXX = arm-kobo-linux-gnueabihf-g++
QMAKE_LINK = arm-kobo-linux-gnueabihf-g++
QMAKE_LINK_SHLIB = arm-kobo-linux-gnueabihf-g++
# modifications to linux.conf
QMAKE_AR = arm-kobo-linux-gnueabihf-ar cqs
QMAKE_OBJCOPY = arm-kobo-linux-gnueabihf-objcopy
QMAKE_NM = arm-kobo-linux-gnueabihf-nm -P
QMAKE_STRIP = arm-kobo-linux-gnueabihf-strip
load(qt_config)
qplatformdefs.h
#include "../linux-g++/qplatformdefs.h"
As of Qt 5.15.0 there is an open issue that will lead to random artifacts in the gui when using high-dpi scaling with fractional scaling factors. This can be resolved with the following patch (Already fixed in Qt 5.15.1):
diff --git a/src/gui/kernel/qhighdpiscaling_p.h b/src/gui/kernel/qhighdpiscaling_p.h
index 55ad6df5c9da3d11a8900754eebc27528aec90ec..9c3d0cdba28a1dd51c18d3fcc0350a11f8000ebc 100644
--- a/src/gui/kernel/qhighdpiscaling_p.h
+++ b/src/gui/kernel/qhighdpiscaling_p.h
@@ -204,7 +204,7 @@ inline QRegion scale(const QRegion ®ion, qreal scaleFactor, QPoint origin = Q
QRegion scaled;
for (const QRect &rect : region)
- scaled += scale(rect, scaleFactor, origin);
+ scaled += scale(QRectF(rect), scaleFactor, origin).toRect();
return scaled;
}
Open a new terminal. Make sure arm-kobo-linux-gnueabihf-gcc is in your path. If in doubt add it with:
export PATH=$PATH:/home/${USER}/x-tools/arm-kobo-linux-gnueabihf/bin/Configure, make and install Qt:
export QTDIR=qt-linux-5.15.2-kobo
export SYSROOT=/home/${USER}/x-tools/arm-kobo-linux-gnueabihf/arm-kobo-linux-gnueabihf/sysroot
./configure --recheck-all -opensource -confirm-license -release -verbose \
-prefix /mnt/onboard/.adds/${QTDIR} \
-extprefix /home/${USER}/qt-bin/${QTDIR} \
-xplatform linux-kobo-gnueabihf-g++ \
-sysroot ${SYSROOT} \
-openssl-linked OPENSSL_PREFIX="${SYSROOT}/usr" \
-qt-libjpeg -qt-zlib -qt-libpng -qt-freetype -qt-harfbuzz -qt-pcre -sql-sqlite -linuxfb \
-no-sse2 -no-xcb -no-xcb-xlib -no-tslib -no-icu -no-iconv -no-dbus \
-nomake tests -nomake examples -no-compile-examples -no-opengl \
-skip qtx11extras -skip qtwayland -skip qtwinextras -skip qtmacextras -skip qtandroidextras \
-skip qttools -skip qtdoc -skip qtlocation -skip qtremoteobjects -skip qtconnectivity -skip qtgamepad \
-skip qt3d -skip qtquick3d -skip qtquickcontrols -skip qtsensors -skip qtspeech -skip qtdatavis3d \
-skip qtpurchasing -skip qtserialbus -skip qtserialport -skip multimedia -skip qtquicktimeline -skip qtlottie \
-skip activeqt -skip qtscript -skip qtxmlpatterns -skip qtscxml -skip qtvirtualkeyboard \
-skip qtwebengine -skip qtwebview -skip qtwebglplugin \
-no-cups -no-pch -no-libproxy \
-no-sql-db2 -no-sql-ibase -no-sql-mysql -no-sql-oci -no-sql-odbc -no-sql-psql -no-sql-sqlite2 -no-sql-tds \
-no-feature-printdialog -no-feature-printer -no-feature-printpreviewdialog -no-feature-printpreviewwidget
make -j5
make install
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