diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_p.h')
-rw-r--r-- | src/gui/painting/qdrawhelper_p.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h index 0b8a41c904..f4c29996b4 100644 --- a/src/gui/painting/qdrawhelper_p.h +++ b/src/gui/painting/qdrawhelper_p.h @@ -653,6 +653,30 @@ static Q_ALWAYS_INLINE uint PREMUL(uint x) { } #endif +#if Q_BYTE_ORDER == Q_BIG_ENDIAN +static Q_ALWAYS_INLINE quint32 RGBA2ARGB(quint32 x) { + quint32 rgb = x >> 8; + quint32 a = x << 24; + return a | rgb; +} + +static Q_ALWAYS_INLINE quint32 ARGB2RGBA(quint32 x) { + quint32 rgb = x << 8; + quint32 a = x >> 24; + return a | rgb; +} +#else +static Q_ALWAYS_INLINE quint32 RGBA2ARGB(quint32 x) { + // RGBA8888 is ABGR32 on little endian. + quint32 ag = x & 0xff00ff00; + quint32 rg = x & 0x00ff00ff; + return ag | (rg << 16) | (rg >> 16); +} + +static Q_ALWAYS_INLINE quint32 ARGB2RGBA(quint32 x) { + return RGBA2ARGB(x); +} +#endif static Q_ALWAYS_INLINE uint BYTE_MUL_RGB16(uint x, uint a) { a += 1; |