goepeg
Go wrapper for epeg.
Epeg is a C library for insanely fast JPEG/JPG thumbnail scaling with the minimum fuss and CPU overhead. It makes use of libjpeg features of being able to load an image by only decoding the DCT coefficients needed to reconstruct an image of the size desired.
The library has bundled archive which are automatically linked. This means that installing libepeg and libjpeg is not necessary.
Current archive files are built from epeg v0.1.0 and libjpeg-turbo
2.1.91.
Install
go get github.com/koofr/goepegTesting
go testTest in Docker
docker run --rm -v $(pwd):/app -w /app golang:1.20.2-bullseye sh -c 'go test'Update libepeg
git clone https://github.com/koofr/epeg.gitmacOS
brew install cmake nasm
cd epeg
mkdir build
cd build
cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.14.6 ..
make installcp epeg/dist/lib/libepeg.a libepeg_darwin_amd64.a
cp epeg/dist/lib/libjpeg.a libjpeg_darwin_amd64.a
cp epeg/dist/include/Epeg.h Epeg.hLinux
Docker is needed to build for Ubuntu 16.04 compatibility:
cd epeg
docker build -t epeg .
docker create --name epeg-copy epeg
mkdir out
cd out
docker cp epeg-copy:/epeg/dist/lib/libepeg.a libepeg_linux_amd64.a
docker cp epeg-copy:/epeg/dist/lib/libjpeg.a libjpeg_linux_amd64.a
docker cp epeg-copy:/epeg/dist/include/Epeg.h Epeg.h
docker rm epeg-copycp epeg/out/{libepeg_linux_amd64.a,libjpeg_linux_amd64.a,Epeg.h} .
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