Setup OpenCV

This action downloads, compiles and installs OpenCV. You can choose the version to be installed, as well as how the build/install should occour. If you just want OpenCV installed and ready for use in your Github Actions, this is for you.

Check out the .github/workflows/basic.yml file to see this action working.

NOTICE: this action was created to support CI testings of cvui, a GUI library for OpenCV.

Inputs

Name	Description	Default value
`opencv-verion`	OpenCV version to be installed.	-
`opencv-extra-modules`	If opencv-contrib (extra modules) should be included in the instalation.	`true`
`install-deps`	If dependencies should be installed as well, e.g. libs, cmake, etc.	`true`
`CMAKE_BUILD_TYPE`		`RELEASE`
`CMAKE_CXX_COMPILER`		`g++`
`CMAKE_INSTALL_PREFIX`		`/usr/local`
`WITH_TBB`		`ON`
`WITH_IPP`		`ON`
`BUILD_NEW_PYTHON_SUPPORT`		`OFF`
`WITH_V4L`		`OFF`
`ENABLE_PRECOMPILED_HEADERS`		`ON`
`INSTALL_C_EXAMPLES`		`OFF`
`INSTALL_PYTHON_EXAMPLES`		`OFF`
`BUILD_EXAMPLES`		`OFF`
`WITH_QT`		`OFF`
`WITH_OPENGL`		`OFF`
`GENERATE_PKGCONFIG`		`OFF`

Usage

See action.yml

Basic:

steps:
- uses: actions/checkout@v2
- uses: Dovyski/setup-opencv-action@v1.1
  with:
    opencv-version: '4.0.0'

Custom build and install:

steps:
- uses: actions/checkout@v2
- uses: Dovyski/setup-opencv-action@v1.1
  with:
    opencv-version: 4.0.0
    ENABLE_PRECOMPILED_HEADERS: OFF
    INSTALL_C_EXAMPLES: ON
    BUILD_EXAMPLES: ON

Install development version (master branch, not released yet):

steps:
- uses: actions/checkout@v2
- uses: Dovyski/setup-opencv-action@v1.1
  with:
    opencv-version: master

Matrix testing:

jobs:
  build:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        opencv: [ '3.4.0', '4.0.0', '4.1.0' ]
    name: OpenCV ${{ matrix.opencv }}
    steps:
      - uses: actions/checkout@v2
      - name: Setup opencv
        uses: Dovyski/setup-opencv-action@v1.1
        with:
          opencv-version: ${{ matrix.opencv }}