painting/qgammatables.cpp

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3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
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6** This file is part of the QtGui module of the Qt Toolkit. -
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40****************************************************************************/ -
41 -
42#include <private/qdrawhelper_p.h> -
43 -
44QT_BEGIN_NAMESPACE -
45 -
46 -
47QDrawHelperGammaTables::QDrawHelperGammaTables(qreal smoothing) -
48{ -
49 const qreal gray_gamma = 2.31;
never executed (the execution status of this line is deduced): const qreal gray_gamma = 2.31;
-
50 for (int i=0; i<256; ++i)
never evaluated: i<256
0
51 qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047));
never executed: qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047));
0
52 for (int i=0; i<2048; ++i)
never evaluated: i<2048
0
53 qt_pow_invgamma[i] = uchar(qRound(qPow(i / qreal(2047.0), 1 / gray_gamma) * 255));
never executed: qt_pow_invgamma[i] = uchar(qRound(qPow(i / qreal(2047.0), 1 / gray_gamma) * 255));
0
54 -
55 refresh(smoothing);
never executed (the execution status of this line is deduced): refresh(smoothing);
-
56}
never executed: }
0
57 -
58void QDrawHelperGammaTables::refresh(qreal smoothing) -
59{ -
60 for (int i=0; i<256; ++i) {
never evaluated: i<256
0
61 qt_pow_rgb_gamma[i] = uchar(qRound(qPow(i / qreal(255.0), smoothing) * 255));
never executed (the execution status of this line is deduced): qt_pow_rgb_gamma[i] = uchar(qRound(qPow(i / qreal(255.0), smoothing) * 255));
-
62 qt_pow_rgb_invgamma[i] = uchar(qRound(qPow(i / qreal(255.), 1 / smoothing) * 255));
never executed (the execution status of this line is deduced): qt_pow_rgb_invgamma[i] = uchar(qRound(qPow(i / qreal(255.), 1 / smoothing) * 255));
-
63 }
never executed: }
0
64}
never executed: }
0
65 -
66QT_END_NAMESPACE -
67 -
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