Error Handling

LogConfig log_cfg;
log_cfg.console_enabled = true;
log_cfg.level           = LogLevel::Debug;
BeautyEffectEngine::SetLogConfig(log_cfg);

auto engine = BeautyEffectEngine::Create(eng_cfg);
if (!engine) {
    std::cerr << "[Error] Engine creation failed." << std::endl;
    return -1;
}

./facebetter_demo: error while loading shared libraries:
libfacebetter.so: cannot open shared object file: No such file or directory

# Option A: set library path at runtime
LD_LIBRARY_PATH=/path/to/sdk/lib ./facebetter_demo

# Option B: copy the library next to the executable
cp sdk/lib/libfacebetter.so build/
cd build && ./facebetter_demo

# Option C: add to the system library config
echo "/path/to/sdk/lib" | sudo tee /etc/ld.so.conf.d/facebetter.conf
sudo ldconfig
./facebetter_demo

auto input = ImageFrame::CreateWithFile("input.jpg");
if (!input || !input->Data()) {
    std::cerr << "[Error] Failed to load input image." << std::endl;
    return;
}
auto output = engine->ProcessImage(input);
if (!output || !output->Data()) {
    std::cerr << "[Error] ProcessImage failed." << std::endl;
    return;
}

engine->SetBeautyTypeEnabled(BeautyType::Basic,   true);
engine->SetBeautyTypeEnabled(BeautyType::Reshape, true);
engine->SetBeautyTypeEnabled(BeautyType::Makeup,  true);
engine->SetBeautyTypeEnabled(BeautyType::Sticker, true);

engine->SetBeautyParam(Basic::Smoothing, 0.5f);

Error: GLFW: X11: Display variable not set

# Confirm you are in a graphical session
echo $DISPLAY          # should output something like :0 or :1

# If empty, set it manually (Xorg)
export DISPLAY=:0
./facebetter_demo

# For Wayland
export WAYLAND_DISPLAY=wayland-0
./facebetter_demo

# Ubuntu / Debian
sudo apt install libgl1-mesa-glx libglu1-mesa

# Fedora / RHEL
sudo dnf install mesa-libGL mesa-libGLU

# Verify OpenGL support (requires 3.0+)
glxinfo | grep "OpenGL version"

LogConfig log_cfg;
log_cfg.console_enabled = true;
log_cfg.file_enabled    = true;
log_cfg.level           = LogLevel::Debug;
log_cfg.file_name       = "facebetter.log";
BeautyEffectEngine::SetLogConfig(log_cfg);