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Diffstat (limited to 'src/kernel/qsize.h')
-rw-r--r-- | src/kernel/qsize.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/kernel/qsize.h b/src/kernel/qsize.h new file mode 100644 index 000000000..380f3b85e --- /dev/null +++ b/src/kernel/qsize.h @@ -0,0 +1,237 @@ +/**************************************************************************** +** +** Definition of TQSize class +** +** Created : 931028 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQSIZE_H +#define TQSIZE_H + +#ifndef QT_H +#include "qpoint.h" // ### change to qwindowdefs.h? +#endif // QT_H + +class Q_EXPORT TQSize +// ### Make TQSize inherit TQt in TQt 4.0 +{ +public: + // ### Move this enum to qnamespace.h in TQt 4.0 + enum ScaleMode { + ScaleFree, + ScaleMin, + ScaleMax + }; + + TQSize(); + TQSize( int w, int h ); + + bool isNull() const; + bool isEmpty() const; + bool isValid() const; + + int width() const; + int height() const; + void setWidth( int w ); + void setHeight( int h ); + void transpose(); + + void scale( int w, int h, ScaleMode mode ); + void scale( const TQSize &s, ScaleMode mode ); + + TQSize expandedTo( const TQSize & ) const; + TQSize boundedTo( const TQSize & ) const; + + TQCOORD &rwidth(); + TQCOORD &rheight(); + + TQSize &operator+=( const TQSize & ); + TQSize &operator-=( const TQSize & ); + TQSize &operator*=( int c ); + TQSize &operator*=( double c ); + TQSize &operator/=( int c ); + TQSize &operator/=( double c ); + + friend inline bool operator==( const TQSize &, const TQSize & ); + friend inline bool operator!=( const TQSize &, const TQSize & ); + friend inline const TQSize operator+( const TQSize &, const TQSize & ); + friend inline const TQSize operator-( const TQSize &, const TQSize & ); + friend inline const TQSize operator*( const TQSize &, int ); + friend inline const TQSize operator*( int, const TQSize & ); + friend inline const TQSize operator*( const TQSize &, double ); + friend inline const TQSize operator*( double, const TQSize & ); + friend inline const TQSize operator/( const TQSize &, int ); + friend inline const TQSize operator/( const TQSize &, double ); + +private: + static void warningDivByZero(); + + TQCOORD wd; + TQCOORD ht; +}; + + +/***************************************************************************** + TQSize stream functions + *****************************************************************************/ + +Q_EXPORT TQDataStream &operator<<( TQDataStream &, const TQSize & ); +Q_EXPORT TQDataStream &operator>>( TQDataStream &, TQSize & ); + + +/***************************************************************************** + TQSize inline functions + *****************************************************************************/ + +inline TQSize::TQSize() +{ wd = ht = -1; } + +inline TQSize::TQSize( int w, int h ) +{ wd=(TQCOORD)w; ht=(TQCOORD)h; } + +inline bool TQSize::isNull() const +{ return wd==0 && ht==0; } + +inline bool TQSize::isEmpty() const +{ return wd<1 || ht<1; } + +inline bool TQSize::isValid() const +{ return wd>=0 && ht>=0; } + +inline int TQSize::width() const +{ return wd; } + +inline int TQSize::height() const +{ return ht; } + +inline void TQSize::setWidth( int w ) +{ wd=(TQCOORD)w; } + +inline void TQSize::setHeight( int h ) +{ ht=(TQCOORD)h; } + +inline TQCOORD &TQSize::rwidth() +{ return wd; } + +inline TQCOORD &TQSize::rheight() +{ return ht; } + +inline TQSize &TQSize::operator+=( const TQSize &s ) +{ wd+=s.wd; ht+=s.ht; return *this; } + +inline TQSize &TQSize::operator-=( const TQSize &s ) +{ wd-=s.wd; ht-=s.ht; return *this; } + +inline TQSize &TQSize::operator*=( int c ) +{ wd*=(TQCOORD)c; ht*=(TQCOORD)c; return *this; } + +inline TQSize &TQSize::operator*=( double c ) +{ wd=(TQCOORD)(wd*c); ht=(TQCOORD)(ht*c); return *this; } + +inline bool operator==( const TQSize &s1, const TQSize &s2 ) +{ return s1.wd == s2.wd && s1.ht == s2.ht; } + +inline bool operator!=( const TQSize &s1, const TQSize &s2 ) +{ return s1.wd != s2.wd || s1.ht != s2.ht; } + +inline const TQSize operator+( const TQSize & s1, const TQSize & s2 ) +{ return TQSize(s1.wd+s2.wd, s1.ht+s2.ht); } + +inline const TQSize operator-( const TQSize &s1, const TQSize &s2 ) +{ return TQSize(s1.wd-s2.wd, s1.ht-s2.ht); } + +inline const TQSize operator*( const TQSize &s, int c ) +{ return TQSize(s.wd*c, s.ht*c); } + +inline const TQSize operator*( int c, const TQSize &s ) +{ return TQSize(s.wd*c, s.ht*c); } + +inline const TQSize operator*( const TQSize &s, double c ) +{ return TQSize((TQCOORD)(s.wd*c), (TQCOORD)(s.ht*c)); } + +inline const TQSize operator*( double c, const TQSize &s ) +{ return TQSize((TQCOORD)(s.wd*c), (TQCOORD)(s.ht*c)); } + +inline TQSize &TQSize::operator/=( int c ) +{ +#if defined(QT_CHECK_MATH) + if ( c == 0 ) + warningDivByZero(); +#endif + wd/=(TQCOORD)c; ht/=(TQCOORD)c; + return *this; +} + +inline TQSize &TQSize::operator/=( double c ) +{ +#if defined(QT_CHECK_MATH) + if ( c == 0.0 ) + warningDivByZero(); +#endif + wd=(TQCOORD)(wd/c); ht=(TQCOORD)(ht/c); + return *this; +} + +inline const TQSize operator/( const TQSize &s, int c ) +{ +#if defined(QT_CHECK_MATH) + if ( c == 0 ) + TQSize::warningDivByZero(); +#endif + return TQSize(s.wd/c, s.ht/c); +} + +inline const TQSize operator/( const TQSize &s, double c ) +{ +#if defined(QT_CHECK_MATH) + if ( c == 0.0 ) + TQSize::warningDivByZero(); +#endif + return TQSize((TQCOORD)(s.wd/c), (TQCOORD)(s.ht/c)); +} + +inline TQSize TQSize::expandedTo( const TQSize & otherSize ) const +{ + return TQSize( TQMAX(wd,otherSize.wd), TQMAX(ht,otherSize.ht) ); +} + +inline TQSize TQSize::boundedTo( const TQSize & otherSize ) const +{ + return TQSize( TQMIN(wd,otherSize.wd), TQMIN(ht,otherSize.ht) ); +} + + +#endif // TQSIZE_H |