Use 4 middle cols when decoding 8x8 colors #309

	name: ci

	on: [push, pull_request]

	jobs:
	build:
	name: ${{ matrix.config.name }}
	runs-on: ${{ matrix.config.os }}
	strategy:
	fail-fast: false
	matrix:
	config:
	- name: "linux gcc9"
	os: ubuntu-20.04
	env: CXX="g++-9" CC="gcc-9"

	- name: "linux gcc-latest"
	os: ubuntu-latest

	- name: "linux clang"
	os: ubuntu-20.04
	env: CXX="clang++" CC="clang"
	extra-packages: "clang"

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: 'recursive'

	- name: Install dependencies
	run: sudo apt-get update && sudo apt-get install libopencv-dev libglfw3-dev libgles2-mesa-dev ${{ matrix.config.extra-packages }}

	- name: Create Build Environment
	run: cmake -E make_directory ${{runner.workspace}}/build

	- name: Configure CMake
	working-directory: ${{runner.workspace}}/build
	run: ${{ matrix.config.env }} cmake $GITHUB_WORKSPACE

	- name: Build
	working-directory: ${{runner.workspace}}/build
	run: make -j2 && make install

	- name: Test
	working-directory: ${{runner.workspace}}/build
	run: make test CTEST_OUTPUT_ON_FAILURE=TRUE

	- name: Usage test
	working-directory: ${{runner.workspace}}/libcimbar/test/py
	run: python3 -m unittest

	cppcheck:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v3

	- name: Install dependencies
	run: sudo apt-get install cppcheck

	- name: run cppcheck
	run: cppcheck src/

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