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39 | |
40 | #include <QtGui/private/qtguiglobal_p.h> |
41 | #include <QtCore/qpoint.h> |
42 | #include <QtCore/qstring.h> |
43 | #include <QtGui/qpolygon.h> |
44 | #include <QtCore/qstringbuilder.h> |
45 | |
46 | #ifndef QHEXSTRING_P_H |
47 | #define QHEXSTRING_P_H |
48 | |
49 | // |
50 | // W A R N I N G |
51 | // ------------- |
52 | // |
53 | // This file is not part of the Qt API. It exists purely as an |
54 | // implementation detail. This header file may change from version to |
55 | // version without notice, or even be removed. |
56 | // |
57 | // We mean it. |
58 | // |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | // internal helper. Converts an integer value to a unique string token |
63 | template <typename T> |
64 | struct HexString |
65 | { |
66 | inline HexString(const T t) |
67 | : val(t) |
68 | {} |
69 | |
70 | inline void write(QChar *&dest) const |
71 | { |
72 | const ushort hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
73 | const char *c = reinterpret_cast<const char *>(&val); |
74 | for (uint i = 0; i < sizeof(T); ++i) { |
75 | *dest++ = hexChars[*c & 0xf]; |
76 | *dest++ = hexChars[(*c & 0xf0) >> 4]; |
77 | ++c; |
78 | } |
79 | } |
80 | const T val; |
81 | }; |
82 | |
83 | // specialization to enable fast concatenating of our string tokens to a string |
84 | template <typename T> |
85 | struct QConcatenable<HexString<T> > |
86 | { |
87 | typedef HexString<T> type; |
88 | enum { ExactSize = true }; |
89 | static int size(const HexString<T> &) { return sizeof(T) * 2; } |
90 | static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); } |
91 | typedef QString ConvertTo; |
92 | }; |
93 | |
94 | QT_END_NAMESPACE |
95 | |
96 | #endif // QHEXSTRING_P_H |
97 | |