Class TextLayout

snap_drawing/src/snap_drawing/cpp/Text/TextLayout.hpp:83–114

    constexpr TextLayoutLineHeight(Kind kind, Scalar value) : _kind(kind), _value(value) {}
};

enum TextLayoutDecorationStyle {
    TextLayoutDecorationStyleSolid,
    TextLayoutDecorationStyleDashed,
    TextLayoutDecorationStyleDotted,
};

struct TextCustomUnderlineStyle {
    Scalar height = 0;
    Scalar onWidth = 0;
    Scalar offWidth = 0;
    Scalar offset = 0;

    constexpr TextCustomUnderlineStyle() = default;
    constexpr TextCustomUnderlineStyle(Scalar height, Scalar onWidth, Scalar offWidth, Scalar offset)
        : height(height), onWidth(onWidth), offWidth(offWidth), offset(offset) {}

    constexpr bool isPatterned() const {
        return onWidth > 0 && offWidth > 0;
    }

    constexpr bool operator==(const TextCustomUnderlineStyle& other) const {
        return height == other.height && onWidth == other.onWidth && offWidth == other.offWidth &&
               offset == other.offset;
    }

    constexpr bool operator!=(const TextCustomUnderlineStyle& other) const {
        return !(*this == other);
    }
};

enum TextLayoutVisualEntryKind {
    TextLayoutVisualEntryKindBackground,
    TextLayoutVisualEntryKindDecoration,