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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
60QT_BEGIN_NAMESPACE
61
62// internal helper. Converts an integer value to a unique string token
63template <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 char16_t 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
84template <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
94QT_END_NAMESPACE
95
96#endif // QHEXSTRING_P_H
97