101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/qglobal.h>
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#include <QtCore/qpoint.h>
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#include <QtCore/qstring.h>
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#include <QtGui/qpolygon.h>
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#include <QtCore/qstringbuilder.h>
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#pragma once
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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// internal helper. Converts an integer value to an unique string token
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template <typename T> struct HexString
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{
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inline HexString(const T t) : val(t)
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{
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}
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inline void write(QChar *&dest) const
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{
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const ushort hexChars[] = {'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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const char *c = reinterpret_cast<const char *>(&val);
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for (uint i = 0; i < sizeof(T); ++i)
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{
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*dest++ = hexChars[*c & 0xf];
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*dest++ = hexChars[(*c & 0xf0) >> 4];
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++c;
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}
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}
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const T val;
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};
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// specialization to enable fast concatenating of our string tokens to a string
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template <typename T> struct QConcatenable<HexString<T>>
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{
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typedef HexString<T> type;
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enum
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{
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ExactSize = true
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};
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static int size(const HexString<T> &)
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{
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return sizeof(T) * 2;
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}
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static inline void appendTo(const HexString<T> &str, QChar *&out)
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{
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str.write(out);
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}
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typedef QString ConvertTo;
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};
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