Include functional headers

Author: mnerv

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.21)
-project(imagepp VERSION 0.0.0)
+project(imagep VERSION 0.0.0)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)         # Generate compile_commands.json for ccls
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)  # Group CMake targets inside a folder
 

image.cpp

@@ -16,7 +16,7 @@
 namespace nrv {
 image::image(std::filesystem::path const& filename) : m_filename(filename) {
     using namespace std::string_literals;
-    auto data = stbi_load(filename.c_str(), &m_width, &m_height, &m_channels, 0);
+    auto data = stbi_load(m_filename.string().c_str(), &m_width, &m_height, &m_channels, 0);
     if (data == nullptr)
         throw std::runtime_error("nrv::image: error reading file: \""s + filename.string() + "\""s);
     m_size = static_cast<std::size_t>(m_width * m_height * m_channels);

image.hpp

@@ -12,6 +12,7 @@
 #include <cstdint>
 #include <filesystem>
 #include <string>
+#include <functional>
 
 #include "glm/glm.hpp"
 #include "glm/vec3.hpp"