src/gui/painting/qfixed_p.h
author Eckhart Koeppen <eckhart.koppen@nokia.com>
Wed, 21 Apr 2010 20:15:53 +0300
branchRCL_3
changeset 14 c0432d11811c
parent 4 3b1da2848fc7
permissions -rw-r--r--
eb175c3290cd7ea85da4a590db9461504a4904bc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     1
/****************************************************************************
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     2
**
4
3b1da2848fc7 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
     3
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     4
** All rights reserved.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     5
** Contact: Nokia Corporation (qt-info@nokia.com)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     6
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     7
** This file is part of the QtGui module of the Qt Toolkit.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     8
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     9
** $QT_BEGIN_LICENSE:LGPL$
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    10
** No Commercial Usage
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    11
** This file contains pre-release code and may not be distributed.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    12
** You may use this file in accordance with the terms and conditions
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    13
** contained in the Technology Preview License Agreement accompanying
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    14
** this package.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    15
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    16
** GNU Lesser General Public License Usage
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    17
** Alternatively, this file may be used under the terms of the GNU Lesser
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    18
** General Public License version 2.1 as published by the Free Software
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    19
** Foundation and appearing in the file LICENSE.LGPL included in the
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    20
** packaging of this file.  Please review the following information to
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    21
** ensure the GNU Lesser General Public License version 2.1 requirements
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    22
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    23
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    24
** In addition, as a special exception, Nokia gives you certain additional
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    25
** rights.  These rights are described in the Nokia Qt LGPL Exception
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    26
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    27
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    28
** If you have questions regarding the use of this file, please contact
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    29
** Nokia at qt-info@nokia.com.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    30
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    31
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    32
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    33
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    34
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    35
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    36
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    37
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    38
** $QT_END_LICENSE$
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    39
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    40
****************************************************************************/
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    41
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    42
#ifndef QFIXED_P_H
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    43
#define QFIXED_P_H
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    44
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    45
//
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    46
//  W A R N I N G
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    47
//  -------------
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    48
//
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    49
// This file is not part of the Qt API.  It exists for the convenience
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    50
// of other Qt classes.  This header file may change from version to
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    51
// version without notice, or even be removed.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    52
//
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    53
// We mean it.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    54
//
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    55
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    56
#include "QtCore/qdebug.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    57
#include "QtCore/qpoint.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    58
#include "QtCore/qsize.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    59
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    60
QT_BEGIN_NAMESPACE
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    61
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    62
struct QFixed {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    63
public:
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    64
    QFixed() : val(0) {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    65
    QFixed(int i) : val(i<<6) {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    66
    QFixed(long i) : val(i<<6) {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    67
    QFixed &operator=(int i) { val = (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    68
    QFixed &operator=(long i) { val = (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    69
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    70
    static QFixed fromReal(qreal r) { QFixed f; f.val = (int)(r*qreal(64)); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    71
    static QFixed fromFixed(int fixed) { QFixed f; f.val = fixed; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    72
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    73
    inline int value() const { return val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    74
    inline void setValue(int value) { val = value; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    75
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    76
    inline int toInt() const { return (((val)+32) & -64)>>6; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    77
    inline qreal toReal() const { return ((qreal)val)/(qreal)64; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    78
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    79
    inline int truncate() const { return val>>6; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    80
    inline QFixed round() const { QFixed f; f.val = ((val)+32) & -64; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    81
    inline QFixed floor() const { QFixed f; f.val = (val) & -64; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    82
    inline QFixed ceil() const { QFixed f; f.val = (val+63) & -64; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    83
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    84
    inline QFixed operator+(int i) const { QFixed f; f.val = (val + (i<<6)); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    85
    inline QFixed operator+(uint i) const { QFixed f; f.val = (val + (i<<6)); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    86
    inline QFixed operator+(const QFixed &other) const { QFixed f; f.val = (val + other.val); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    87
    inline QFixed &operator+=(int i) { val += (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    88
    inline QFixed &operator+=(uint i) { val += (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    89
    inline QFixed &operator+=(const QFixed &other) { val += other.val; return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    90
    inline QFixed operator-(int i) const { QFixed f; f.val = (val - (i<<6)); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    91
    inline QFixed operator-(uint i) const { QFixed f; f.val = (val - (i<<6)); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    92
    inline QFixed operator-(const QFixed &other) const { QFixed f; f.val = (val - other.val); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    93
    inline QFixed &operator-=(int i) { val -= (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    94
    inline QFixed &operator-=(uint i) { val -= (i<<6); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    95
    inline QFixed &operator-=(const QFixed &other) { val -= other.val; return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    96
    inline QFixed operator-() const { QFixed f; f.val = -val; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    97
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    98
    inline bool operator==(const QFixed &other) const { return val == other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    99
    inline bool operator!=(const QFixed &other) const { return val != other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   100
    inline bool operator<(const QFixed &other) const { return val < other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   101
    inline bool operator>(const QFixed &other) const { return val > other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   102
    inline bool operator<=(const QFixed &other) const { return val <= other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   103
    inline bool operator>=(const QFixed &other) const { return val >= other.val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   104
    inline bool operator!() const { return !val; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   105
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   106
    inline QFixed &operator/=(int x) { val /= x; return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   107
    inline QFixed &operator/=(const QFixed &o) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   108
        if (o.val == 0) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   109
            val = 0x7FFFFFFFL;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   110
        } else {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   111
            bool neg = false;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   112
            qint64 a = val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   113
            qint64 b = o.val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   114
            if (a < 0) { a = -a; neg = true; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   115
            if (b < 0) { b = -b; neg = !neg; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   116
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   117
            int res = (int)(((a << 6) + (b >> 1)) / b);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   118
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   119
            val = (neg ? -res : res);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   120
        }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   121
        return *this;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   122
    }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   123
    inline QFixed operator/(int d) const { QFixed f; f.val = val/d; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   124
    inline QFixed operator/(QFixed b) const { QFixed f = *this; return (f /= b); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   125
    inline QFixed operator>>(int d) const { QFixed f = *this; f.val >>= d; return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   126
    inline QFixed &operator*=(int i) { val *= i; return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   127
    inline QFixed &operator*=(uint i) { val *= i; return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   128
    inline QFixed &operator*=(const QFixed &o) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   129
        bool neg = false;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   130
        qint64 a = val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   131
        qint64 b = o.val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   132
        if (a < 0) { a = -a; neg = true; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   133
        if (b < 0) { b = -b; neg = !neg; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   134
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   135
        int res = (int)((a * b + 0x20L) >> 6);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   136
        val = neg ? -res : res;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   137
        return *this;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   138
    }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   139
    inline QFixed operator*(int i) const { QFixed f = *this; return (f *= i); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   140
    inline QFixed operator*(uint i) const { QFixed f = *this; return (f *= i); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   141
    inline QFixed operator*(const QFixed &o) const { QFixed f = *this; return (f *= o); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   142
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   143
private:
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   144
    QFixed(qreal i) : val((int)(i*qreal(64))) {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   145
    QFixed &operator=(qreal i) { val = (int)(i*qreal(64)); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   146
    inline QFixed operator+(qreal i) const { QFixed f; f.val = (val + (int)(i*qreal(64))); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   147
    inline QFixed &operator+=(qreal i) { val += (int)(i*64); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   148
    inline QFixed operator-(qreal i) const { QFixed f; f.val = (val - (int)(i*qreal(64))); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   149
    inline QFixed &operator-=(qreal i) { val -= (int)(i*64); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   150
    inline QFixed &operator/=(qreal r) { val = (int)(val/r); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   151
    inline QFixed operator/(qreal d) const { QFixed f; f.val = (int)(val/d); return f; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   152
    inline QFixed &operator*=(qreal d) { val = (int) (val*d); return *this; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   153
    inline QFixed operator*(qreal d) const { QFixed f = *this; return (f *= d); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   154
    int val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   155
};
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   156
Q_DECLARE_TYPEINFO(QFixed, Q_PRIMITIVE_TYPE);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   157
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   158
#define QFIXED_MAX (INT_MAX/256)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   159
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   160
inline int qRound(const QFixed &f) { return f.toInt(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   161
inline int qFloor(const QFixed &f) { return f.floor().truncate(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   162
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   163
inline QFixed operator*(int i, const QFixed &d) { return d*i; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   164
inline QFixed operator+(int i, const QFixed &d) { return d+i; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   165
inline QFixed operator-(int i, const QFixed &d) { return -(d-i); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   166
inline QFixed operator*(uint i, const QFixed &d) { return d*i; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   167
inline QFixed operator+(uint i, const QFixed &d) { return d+i; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   168
inline QFixed operator-(uint i, const QFixed &d) { return -(d-i); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   169
// inline QFixed operator*(qreal d, const QFixed &d2) { return d2*d; }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   170
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   171
inline bool operator==(const QFixed &f, int i) { return f.value() == (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   172
inline bool operator==(int i, const QFixed &f) { return f.value() == (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   173
inline bool operator!=(const QFixed &f, int i) { return f.value() != (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   174
inline bool operator!=(int i, const QFixed &f) { return f.value() != (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   175
inline bool operator<=(const QFixed &f, int i) { return f.value() <= (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   176
inline bool operator<=(int i, const QFixed &f) { return (i<<6) <= f.value(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   177
inline bool operator>=(const QFixed &f, int i) { return f.value() >= (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   178
inline bool operator>=(int i, const QFixed &f) { return (i<<6) >= f.value(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   179
inline bool operator<(const QFixed &f, int i) { return f.value() < (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   180
inline bool operator<(int i, const QFixed &f) { return (i<<6) < f.value(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   181
inline bool operator>(const QFixed &f, int i) { return f.value() > (i<<6); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   182
inline bool operator>(int i, const QFixed &f) { return (i<<6) > f.value(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   183
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   184
#ifndef QT_NO_DEBUG_STREAM
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   185
inline QDebug &operator<<(QDebug &dbg, const QFixed &f)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   186
{ return dbg << f.toReal(); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   187
#endif
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   188
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   189
struct QFixedPoint {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   190
    QFixed x;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   191
    QFixed y;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   192
    inline QFixedPoint() {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   193
    inline QFixedPoint(const QFixed &_x, const QFixed &_y) : x(_x), y(_y) {}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   194
    QPointF toPointF() const { return QPointF(x.toReal(), y.toReal()); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   195
    static QFixedPoint fromPointF(const QPointF &p) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   196
        return QFixedPoint(QFixed::fromReal(p.x()), QFixed::fromReal(p.y()));
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   197
    }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   198
};
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   199
Q_DECLARE_TYPEINFO(QFixedPoint, Q_PRIMITIVE_TYPE);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   200
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   201
inline QFixedPoint operator-(const QFixedPoint &p1, const QFixedPoint &p2)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   202
{ return QFixedPoint(p1.x - p2.x, p1.y - p2.y); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   203
inline QFixedPoint operator+(const QFixedPoint &p1, const QFixedPoint &p2)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   204
{ return QFixedPoint(p1.x + p2.x, p1.y + p2.y); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   205
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   206
struct QFixedSize {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   207
    QFixed width;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   208
    QFixed height;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   209
    QSizeF toSizeF() const { return QSizeF(width.toReal(), height.toReal()); }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   210
    static QFixedSize fromSizeF(const QSizeF &s) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   211
        QFixedSize size;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   212
        size.width = QFixed::fromReal(s.width());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   213
        size.height = QFixed::fromReal(s.height());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   214
        return size;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   215
    }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   216
};
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   217
Q_DECLARE_TYPEINFO(QFixedSize, Q_PRIMITIVE_TYPE);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   218
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   219
QT_END_NAMESPACE
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   220
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
   221
#endif // QTEXTENGINE_P_H