diff options
| -rw-r--r-- | src/gui/painting/qrgba64.h | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/src/gui/painting/qrgba64.h b/src/gui/painting/qrgba64.h index b701b224be..cca9019959 100644 --- a/src/gui/painting/qrgba64.h +++ b/src/gui/painting/qrgba64.h @@ -58,33 +58,34 @@ class QRgba64 { #endif }; + // No constructors are allowed in C++98, since this needs to be usable in a union. + // We however require one for constexprs in C++11/C++14 +#ifdef Q_COMPILER_CONSTEXPR + explicit Q_ALWAYS_INLINE Q_DECL_CONSTEXPR QRgba64(quint64 c) : rgba(c) { } +#endif public: - // No constructors are allowed, since this needs to be usable in a union in no-c++11 mode. - // When c++11 is mandatory, we can add all but a copy constructor. - Q_DECL_RELAXED_CONSTEXPR static - QRgba64 fromRgba64(quint16 red, quint16 green, quint16 blue, quint16 alpha) - { - QRgba64 rgba64 -#ifdef Q_COMPILER_UNIFORM_INIT - = {} +#ifdef Q_COMPILER_CONSTEXPR + Q_ALWAYS_INLINE Q_DECL_CONSTEXPR QRgba64() : rgba(0) { } #endif - ; - rgba64.rgba = quint64(red) << RedShift - | quint64(green) << GreenShift - | quint64(blue) << BlueShift - | quint64(alpha) << AlphaShift; - return rgba64; - } - Q_DECL_RELAXED_CONSTEXPR static + + Q_DECL_CONSTEXPR static QRgba64 fromRgba64(quint64 c) { - QRgba64 rgba64 -#ifdef Q_COMPILER_UNIFORM_INIT - = {} -#endif - ; +#ifdef Q_COMPILER_CONSTEXPR + return QRgba64(c); +#else + QRgba64 rgba64; rgba64.rgba = c; return rgba64; +#endif + } + Q_DECL_CONSTEXPR static + QRgba64 fromRgba64(quint16 red, quint16 green, quint16 blue, quint16 alpha) + { + return fromRgba64(quint64(red) << RedShift + | quint64(green) << GreenShift + | quint64(blue) << BlueShift + | quint64(alpha) << AlphaShift); } Q_DECL_RELAXED_CONSTEXPR static QRgba64 fromRgba(quint8 red, quint8 green, quint8 blue, quint8 alpha) { @@ -190,12 +191,12 @@ private: Q_DECLARE_TYPEINFO(QRgba64, Q_PRIMITIVE_TYPE); -Q_DECL_RELAXED_CONSTEXPR inline QRgba64 qRgba64(quint16 r, quint16 g, quint16 b, quint16 a) +Q_DECL_CONSTEXPR inline QRgba64 qRgba64(quint16 r, quint16 g, quint16 b, quint16 a) { return QRgba64::fromRgba64(r, g, b, a); } -Q_DECL_RELAXED_CONSTEXPR inline QRgba64 qRgba64(quint64 c) +Q_DECL_CONSTEXPR inline QRgba64 qRgba64(quint64 c) { return QRgba64::fromRgba64(c); } |