diff options
Diffstat (limited to 'src/gui/painting/qrgb.h')
-rw-r--r-- | src/gui/painting/qrgb.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/gui/painting/qrgb.h b/src/gui/painting/qrgb.h index fe8306109b..c6caa62c75 100644 --- a/src/gui/painting/qrgb.h +++ b/src/gui/painting/qrgb.h @@ -51,34 +51,34 @@ typedef unsigned int QRgb; // RGB triplet // non-namespaced Qt global variable const Q_DECL_UNUSED QRgb RGB_MASK = 0x00ffffff; // masks RGB values -inline Q_DECL_CONSTEXPR int qRed(QRgb rgb) // get red part of RGB +inline constexpr int qRed(QRgb rgb) // get red part of RGB { return ((rgb >> 16) & 0xff); } -inline Q_DECL_CONSTEXPR int qGreen(QRgb rgb) // get green part of RGB +inline constexpr int qGreen(QRgb rgb) // get green part of RGB { return ((rgb >> 8) & 0xff); } -inline Q_DECL_CONSTEXPR int qBlue(QRgb rgb) // get blue part of RGB +inline constexpr int qBlue(QRgb rgb) // get blue part of RGB { return (rgb & 0xff); } -inline Q_DECL_CONSTEXPR int qAlpha(QRgb rgb) // get alpha part of RGBA +inline constexpr int qAlpha(QRgb rgb) // get alpha part of RGBA { return rgb >> 24; } -inline Q_DECL_CONSTEXPR QRgb qRgb(int r, int g, int b)// set RGB value +inline constexpr QRgb qRgb(int r, int g, int b) // set RGB value { return (0xffu << 24) | ((r & 0xffu) << 16) | ((g & 0xffu) << 8) | (b & 0xffu); } -inline Q_DECL_CONSTEXPR QRgb qRgba(int r, int g, int b, int a)// set RGBA value +inline constexpr QRgb qRgba(int r, int g, int b, int a) // set RGBA value { return ((a & 0xffu) << 24) | ((r & 0xffu) << 16) | ((g & 0xffu) << 8) | (b & 0xffu); } -inline Q_DECL_CONSTEXPR int qGray(int r, int g, int b)// convert R,G,B to gray 0..255 +inline constexpr int qGray(int r, int g, int b) // convert R,G,B to gray 0..255 { return (r*11+g*16+b*5)/32; } -inline Q_DECL_CONSTEXPR int qGray(QRgb rgb) // convert RGB to gray 0..255 +inline constexpr int qGray(QRgb rgb) // convert RGB to gray 0..255 { return qGray(qRed(rgb), qGreen(rgb), qBlue(rgb)); } -inline Q_DECL_CONSTEXPR bool qIsGray(QRgb rgb) +inline constexpr bool qIsGray(QRgb rgb) { return qRed(rgb) == qGreen(rgb) && qRed(rgb) == qBlue(rgb); } -inline Q_DECL_RELAXED_CONSTEXPR QRgb qPremultiply(QRgb x) +inline constexpr QRgb qPremultiply(QRgb x) { const uint a = qAlpha(x); uint t = (x & 0xff00ff) * a; |