| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #include <QtGui/private/qtguiglobal_p.h> |
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| 5 | #include <QtCore/qpoint.h> |
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| 6 | #include <QtCore/qstring.h> |
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| 7 | #include <QtGui/qpolygon.h> |
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| 8 | #include <QtCore/qstringbuilder.h> |
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| 9 | |
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| 10 | #ifndef QHEXSTRING_P_H |
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| 11 | #define QHEXSTRING_P_H |
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| 12 | |
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| 13 | // |
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| 14 | // W A R N I N G |
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| 15 | // ------------- |
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| 16 | // |
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| 17 | // This file is not part of the Qt API. It exists purely as an |
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| 18 | // implementation detail. This header file may change from version to |
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| 19 | // version without notice, or even be removed. |
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| 20 | // |
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| 21 | // We mean it. |
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| 22 | // |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | // internal helper. Converts an integer value to a unique string token |
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| 27 | template <typename T> |
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| 28 | struct HexString |
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| 29 | { |
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| 30 | inline HexString(const T t) |
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| 31 | : val(t) |
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| 32 | {} |
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| 33 | |
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| 34 | inline void write(QChar *&dest) const |
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| 35 | { |
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| 36 | const char16_t hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
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| 37 | const char *c = reinterpret_cast<const char *>(&val); |
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| 38 | for (uint i = 0; i < sizeof(T); ++i) { |
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| 39 | *dest++ = hexChars[*c & 0xf]; |
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| 40 | *dest++ = hexChars[(*c & 0xf0) >> 4]; |
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| 41 | ++c; |
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| 42 | } |
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| 43 | } |
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| 44 | const T val; |
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| 45 | }; |
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| 46 | |
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| 47 | // specialization to enable fast concatenating of our string tokens to a string |
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| 48 | template <typename T> |
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| 49 | struct QConcatenable<HexString<T> > |
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| 50 | { |
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| 51 | typedef HexString<T> type; |
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| 52 | enum { ExactSize = true }; |
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| 53 | static int size(const HexString<T> &) { return sizeof(T) * 2; } |
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| 54 | static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); } |
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| 55 | typedef QString ConvertTo; |
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| 56 | }; |
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| 57 | |
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| 58 | QT_END_NAMESPACE |
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| 59 | |
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| 60 | #endif // QHEXSTRING_P_H |
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| 61 | |
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