Method CreatePane

src/SFGUI/Renderer.cpp:235–346

}

Primitive::Ptr Renderer::CreatePane( const sf::Vector2f& position, const sf::Vector2f& size, float border_width,
                                     const sf::Color& color, const sf::Color& border_color, int border_color_shift ) {
	if( border_width <= 0.f ) {
		return CreateRect( position, position + size, color );
	}

	auto primitive = std::make_shared<Primitive>( 20 );

	sf::Color dark_border( border_color );
	sf::Color light_border( border_color );

	Context::Get().GetEngine().ShiftBorderColors( light_border, dark_border, border_color_shift );

	auto left = position.x;
	auto top = position.y;
	auto right = left + size.x;
	auto bottom = top + size.y;

	auto add_quad = [&primitive]( const sf::Vector2f& top_left, const sf::Vector2f& bottom_left,
                                  const sf::Vector2f& bottom_right, const sf::Vector2f& top_right,
                                  const sf::Color& quad_color ) {
		PrimitiveVertex vertex0;
		PrimitiveVertex vertex1;
		PrimitiveVertex vertex2;
		PrimitiveVertex vertex3;

		vertex0.position = sf::Vector2f( std::floor( top_left.x + .5f ), std::floor( top_left.y + .5f ) );
		vertex1.position = sf::Vector2f( std::floor( bottom_left.x + .5f ), std::floor( bottom_left.y + .5f ) );
		vertex2.position = sf::Vector2f( std::floor( top_right.x + .5f ), std::floor( top_right.y + .5f ) );
		vertex3.position = sf::Vector2f( std::floor( bottom_right.x + .5f ), std::floor( bottom_right.y + .5f ) );

		vertex0.color = quad_color;
		vertex1.color = quad_color;
		vertex2.color = quad_color;
		vertex3.color = quad_color;

		vertex0.texture_coordinate = sf::Vector2f( 0.f, 0.f );
		vertex1.texture_coordinate = sf::Vector2f( 0.f, 1.f );
		vertex2.texture_coordinate = sf::Vector2f( 1.f, 0.f );
		vertex3.texture_coordinate = sf::Vector2f( 1.f, 1.f );

		primitive->AddVertex( vertex0 );
		primitive->AddVertex( vertex1 );
		primitive->AddVertex( vertex2 );
		primitive->AddVertex( vertex2 );
		primitive->AddVertex( vertex1 );
		primitive->AddVertex( vertex3 );
	};

	auto add_line = [&add_quad]( const sf::Vector2f& begin, const sf::Vector2f& end, const sf::Color& line_color, float thickness ) {
		sf::Vector2f normal( end - begin );
		sf::Vector2f unrotated_normal( normal );
		std::swap( normal.x, normal.y );
		auto length = std::sqrt( normal.x * normal.x + normal.y * normal.y );

		if( !( length > 0.f ) ) {
			return;
		}