Method defaultAppearance

src/Mod/Material/App/MaterialManager.cpp:141–181

//=====

std::shared_ptr<App::Material> MaterialManager::defaultAppearance()
{
    ParameterGrp::handle hGrp =
        App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");

    auto getColor = [hGrp](const char* parameter, Base::Color& color) {
        uint32_t packed = color.getPackedRGB();
        packed = hGrp->GetUnsigned(parameter, packed);
        color.setPackedRGB(packed);
        color.a = 1.0;  // The default color sets fully transparent, not opaque
    };
    auto intRandom = [](int min, int max) -> int {
        static std::mt19937 generator;
        std::uniform_int_distribution<int> distribution(min, max);
        return distribution(generator);
    };

    App::Material mat(App::Material::DEFAULT);
    bool randomColor = hGrp->GetBool("RandomColor", false);

    if (randomColor) {
        float red = static_cast<float>(intRandom(0, 255)) / 255.0F;
        float green = static_cast<float>(intRandom(0, 255)) / 255.0F;
        float blue = static_cast<float>(intRandom(0, 255)) / 255.0F;
        mat.diffuseColor = Base::Color(red, green, blue, 1.0);
    }
    else {
        getColor("DefaultShapeColor", mat.diffuseColor);
    }

    getColor("DefaultAmbientColor", mat.ambientColor);
    getColor("DefaultEmissiveColor", mat.emissiveColor);
    getColor("DefaultSpecularColor", mat.specularColor);

    long initialTransparency = hGrp->GetInt("DefaultShapeTransparency", 0);
    long initialShininess = hGrp->GetInt("DefaultShapeShininess", 90);
    mat.shininess = Base::fromPercent(initialShininess);
    mat.transparency = Base::fromPercent(initialTransparency);

    return std::make_shared<App::Material>(mat);
}

std::shared_ptr<Material> MaterialManager::defaultMaterial()
{