add back the configure script (#378)

* use c++17 * add configure script * configure

Author: lgarithm

.gitignore

@@ -59,3 +59,7 @@ debug.*
 !logo.png
 !docs/Makefile
 !docs/markdown/images/*
+
+
+/.build
+

configure

@@ -0,0 +1,77 @@
+#!/bin/sh
+set -e
+
+BUILD_LIB=1
+BUILD_TESTS=0
+BUILD_FAKE=0
+BUILD_EXAMPLES=0
+BUILD_USER_CODES=0
+
+if [ ! -e /dev/nvidia0 ]; then
+ BUILD_FAKE=1
+ echo "CUDA NOT Found, using BUILD_FAKE=$BUILD_FAKE"
+fi
+
+parse_args() {
+ for i in "$@"; do
+ case $i in
+ --prefix=*)
+ PREFIX="${i#*=}"
+ ;;
+ --examples)
+ BUILD_EXAMPLES=1
+ ;;
+ --tests)
+ BUILD_TESTS=1
+ ;;
+ --user-code)
+ BUILD_USER_CODE=1
+ ;;
+ --fake-cuda)
+ BUILD_FAKE=1
+ ;;
+ *)
+ echo "unknown argument $i"
+ exit 1
+ ;;
+ esac
+ done
+}
+
+parse_args $@
+
+cmake_flag() {
+ echo "-D$1=$2"
+}
+
+cmake_flags() {
+ if [ ! -z "$PREFIX" ]; then
+ cmake_flag CMAKE_INSTALL_PREFIX $PREFIX
+ fi
+ cmake_flag CMAKE_RUNTIME_OUTPUT_DIRECTORY $PWD/bin
+ cmake_flag BUILD_TESTS $BUILD_TESTS
+ cmake_flag BUILD_FAKE $BUILD_FAKE
+ cmake_flag BUILD_EXAMPLES $BUILD_EXAMPLES
+ cmake_flag BUILD_LIB $BUILD_LIB
+ cmake_flag BUILD_USER_CODES $BUILD_USER_CODES
+}
+
+cd $(dirname $0)
+W=$PWD
+
+build='.build'
+
+gen_make() {
+ echo "build:"
+ echo "\t\$(MAKE) -C $build"
+ echo "install:"
+ echo "\t\$(MAKE) -C $build install"
+ echo "test:"
+ echo "\t\$(MAKE) -C $build test"
+}
+
+mkdir -p $build
+cd $build
+cmake $W $(cmake_flags)
+
+gen_make >$W/Makefile

src/color.hpp

@@ -1,16 +1,14 @@
+#include <array>
+
 #include <opencv2/opencv.hpp>
 
 namespace hyperpose {
 
-using color_t = std::tuple<uint8_t, uint8_t, uint8_t>;
+using color_t = std::array<uint8_t, 3>;
 
 inline cv::Scalar to_cv_scalar(const color_t& color)
 {
- // const auto [r, g, b] = color;
- const auto r = std::get<0>(color);
- const auto g = std::get<1>(color);
- const auto b = std::get<2>(color);
-
+ const auto& [r, g, b] = color;
  return cv::Scalar(r, g, b);
 }
 
@@ -49,4 +47,4 @@ std::vector<T> map(const F& f, const std::vector<S>& input)
 
 const std::vector<cv::Scalar> coco_colors = map<cv::Scalar>(to_cv_scalar, coco_colors_rgb);
 
-}
+}