diff options
Diffstat (limited to 'src/gui/painting/qrgba64.h')
| -rw-r--r-- | src/gui/painting/qrgba64.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/gui/painting/qrgba64.h b/src/gui/painting/qrgba64.h index fab9506ff2..413315f12a 100644 --- a/src/gui/painting/qrgba64.h +++ b/src/gui/painting/qrgba64.h @@ -97,7 +97,7 @@ public: Q_DECL_RELAXED_CONSTEXPR static QRgba64 fromArgb32(uint rgb) { - return fromRgba(rgb >> 16, rgb >> 8, rgb, rgb >> 24); + return fromRgba(quint8(rgb >> 16), quint8(rgb >> 8), quint8(rgb), quint8(rgb >> 24)); } Q_DECL_CONSTEXPR bool isOpaque() const @@ -109,10 +109,10 @@ public: return (rgba & alphaMask()) == 0; } - Q_DECL_CONSTEXPR quint16 red() const { return rgba >> RedShift; } - Q_DECL_CONSTEXPR quint16 green() const { return rgba >> GreenShift; } - Q_DECL_CONSTEXPR quint16 blue() const { return rgba >> BlueShift; } - Q_DECL_CONSTEXPR quint16 alpha() const { return rgba >> AlphaShift; } + Q_DECL_CONSTEXPR quint16 red() const { return quint16(rgba >> RedShift); } + Q_DECL_CONSTEXPR quint16 green() const { return quint16(rgba >> GreenShift); } + Q_DECL_CONSTEXPR quint16 blue() const { return quint16(rgba >> BlueShift); } + Q_DECL_CONSTEXPR quint16 alpha() const { return quint16(rgba >> AlphaShift); } void setRed(quint16 _red) { rgba = (rgba & ~(Q_UINT64_C(0xffff) << RedShift)) | (quint64(_red) << RedShift); } void setGreen(quint16 _green) { rgba = (rgba & ~(Q_UINT64_C(0xffff) << GreenShift)) | (quint64(_green) << GreenShift); } void setBlue(quint16 _blue) { rgba = (rgba & ~(Q_UINT64_C(0xffff) << BlueShift)) | (quint64(_blue) << BlueShift); } @@ -124,11 +124,11 @@ public: Q_DECL_CONSTEXPR quint8 alpha8() const { return div_257(alpha()); } Q_DECL_CONSTEXPR uint toArgb32() const { - return (alpha8() << 24) | (red8() << 16) | (green8() << 8) | blue8(); + return uint((alpha8() << 24) | (red8() << 16) | (green8() << 8) | blue8()); } Q_DECL_CONSTEXPR ushort toRgb16() const { - return (red() & 0xf800) | ((green() >> 10) << 5) | (blue() >> 11); + return ushort((red() & 0xf800) | ((green() >> 10) << 5) | (blue() >> 11)); } Q_DECL_RELAXED_CONSTEXPR QRgba64 premultiplied() const @@ -137,7 +137,7 @@ public: const quint16 r = div_65535(red() * a); const quint16 g = div_65535(green() * a); const quint16 b = div_65535(blue() * a); - return fromRgba64(r, g, b, a); + return fromRgba64(r, g, b, quint16(a)); } Q_DECL_RELAXED_CONSTEXPR QRgba64 unpremultiplied() const @@ -163,18 +163,18 @@ public: private: static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE quint64 alphaMask() { return Q_UINT64_C(0xffff) << AlphaShift; } - static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE uint div_257_floor(uint x) { return (x - (x >> 8)) >> 8; } - static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE uint div_257(uint x) { return div_257_floor(x + 128); } - static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE uint div_65535(uint x) { return (x + (x>>16) + 0x8000U) >> 16; } + static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE quint8 div_257_floor(uint x) { return quint8((x - (x >> 8)) >> 8); } + static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE quint8 div_257(quint16 x) { return div_257_floor(x + 128U); } + static Q_DECL_CONSTEXPR Q_ALWAYS_INLINE quint16 div_65535(uint x) { return quint16((x + (x>>16) + 0x8000U) >> 16); } Q_DECL_RELAXED_CONSTEXPR Q_ALWAYS_INLINE QRgba64 unpremultiplied_32bit() const { if (isOpaque() || isTransparent()) return *this; const quint32 a = alpha(); - const quint16 r = (quint32(red()) * 0xffff + a/2) / a; - const quint16 g = (quint32(green()) * 0xffff + a/2) / a; - const quint16 b = (quint32(blue()) * 0xffff + a/2) / a; - return fromRgba64(r, g, b, a); + const quint16 r = quint16((red() * 0xffff + a/2) / a); + const quint16 g = quint16((green() * 0xffff + a/2) / a); + const quint16 b = quint16((blue() * 0xffff + a/2) / a); + return fromRgba64(r, g, b, quint16(a)); } Q_DECL_RELAXED_CONSTEXPR Q_ALWAYS_INLINE QRgba64 unpremultiplied_64bit() const { @@ -182,10 +182,10 @@ private: return *this; const quint64 a = alpha(); const quint64 fa = (Q_UINT64_C(0xffff00008000) + a/2) / a; - const quint16 r = (red() * fa + 0x80000000) >> 32; - const quint16 g = (green() * fa + 0x80000000) >> 32; - const quint16 b = (blue() * fa + 0x80000000) >> 32; - return fromRgba64(r, g, b, a); + const quint16 r = quint16((red() * fa + 0x80000000) >> 32); + const quint16 g = quint16((green() * fa + 0x80000000) >> 32); + const quint16 b = quint16((blue() * fa + 0x80000000) >> 32); + return fromRgba64(r, g, b, quint16(a)); } }; |