summaryrefslogtreecommitdiffstats
path: root/src/kernel/qsize.h
diff options
context:
space:
mode:
authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /src/kernel/qsize.h
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
Diffstat (limited to 'src/kernel/qsize.h')
-rw-r--r--src/kernel/qsize.h237
1 files changed, 237 insertions, 0 deletions
diff --git a/src/kernel/qsize.h b/src/kernel/qsize.h
new file mode 100644
index 0000000..f964bcd
--- /dev/null
+++ b/src/kernel/qsize.h
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Definition of QSize class
+**
+** Created : 931028
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the kernel module of the Qt 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 Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements 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.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** 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 QSIZE_H
+#define QSIZE_H
+
+#ifndef QT_H
+#include "qpoint.h" // ### change to qwindowdefs.h?
+#endif // QT_H
+
+class Q_EXPORT QSize
+// ### Make QSize inherit Qt in Qt 4.0
+{
+public:
+ // ### Move this enum to qnamespace.h in Qt 4.0
+ enum ScaleMode {
+ ScaleFree,
+ ScaleMin,
+ ScaleMax
+ };
+
+ QSize();
+ QSize( 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 QSize &s, ScaleMode mode );
+
+ QSize expandedTo( const QSize & ) const;
+ QSize boundedTo( const QSize & ) const;
+
+ QCOORD &rwidth();
+ QCOORD &rheight();
+
+ QSize &operator+=( const QSize & );
+ QSize &operator-=( const QSize & );
+ QSize &operator*=( int c );
+ QSize &operator*=( double c );
+ QSize &operator/=( int c );
+ QSize &operator/=( double c );
+
+ friend inline bool operator==( const QSize &, const QSize & );
+ friend inline bool operator!=( const QSize &, const QSize & );
+ friend inline const QSize operator+( const QSize &, const QSize & );
+ friend inline const QSize operator-( const QSize &, const QSize & );
+ friend inline const QSize operator*( const QSize &, int );
+ friend inline const QSize operator*( int, const QSize & );
+ friend inline const QSize operator*( const QSize &, double );
+ friend inline const QSize operator*( double, const QSize & );
+ friend inline const QSize operator/( const QSize &, int );
+ friend inline const QSize operator/( const QSize &, double );
+
+private:
+ static void warningDivByZero();
+
+ QCOORD wd;
+ QCOORD ht;
+};
+
+
+/*****************************************************************************
+ QSize stream functions
+ *****************************************************************************/
+
+Q_EXPORT QDataStream &operator<<( QDataStream &, const QSize & );
+Q_EXPORT QDataStream &operator>>( QDataStream &, QSize & );
+
+
+/*****************************************************************************
+ QSize inline functions
+ *****************************************************************************/
+
+inline QSize::QSize()
+{ wd = ht = -1; }
+
+inline QSize::QSize( int w, int h )
+{ wd=(QCOORD)w; ht=(QCOORD)h; }
+
+inline bool QSize::isNull() const
+{ return wd==0 && ht==0; }
+
+inline bool QSize::isEmpty() const
+{ return wd<1 || ht<1; }
+
+inline bool QSize::isValid() const
+{ return wd>=0 && ht>=0; }
+
+inline int QSize::width() const
+{ return wd; }
+
+inline int QSize::height() const
+{ return ht; }
+
+inline void QSize::setWidth( int w )
+{ wd=(QCOORD)w; }
+
+inline void QSize::setHeight( int h )
+{ ht=(QCOORD)h; }
+
+inline QCOORD &QSize::rwidth()
+{ return wd; }
+
+inline QCOORD &QSize::rheight()
+{ return ht; }
+
+inline QSize &QSize::operator+=( const QSize &s )
+{ wd+=s.wd; ht+=s.ht; return *this; }
+
+inline QSize &QSize::operator-=( const QSize &s )
+{ wd-=s.wd; ht-=s.ht; return *this; }
+
+inline QSize &QSize::operator*=( int c )
+{ wd*=(QCOORD)c; ht*=(QCOORD)c; return *this; }
+
+inline QSize &QSize::operator*=( double c )
+{ wd=(QCOORD)(wd*c); ht=(QCOORD)(ht*c); return *this; }
+
+inline bool operator==( const QSize &s1, const QSize &s2 )
+{ return s1.wd == s2.wd && s1.ht == s2.ht; }
+
+inline bool operator!=( const QSize &s1, const QSize &s2 )
+{ return s1.wd != s2.wd || s1.ht != s2.ht; }
+
+inline const QSize operator+( const QSize & s1, const QSize & s2 )
+{ return QSize(s1.wd+s2.wd, s1.ht+s2.ht); }
+
+inline const QSize operator-( const QSize &s1, const QSize &s2 )
+{ return QSize(s1.wd-s2.wd, s1.ht-s2.ht); }
+
+inline const QSize operator*( const QSize &s, int c )
+{ return QSize(s.wd*c, s.ht*c); }
+
+inline const QSize operator*( int c, const QSize &s )
+{ return QSize(s.wd*c, s.ht*c); }
+
+inline const QSize operator*( const QSize &s, double c )
+{ return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }
+
+inline const QSize operator*( double c, const QSize &s )
+{ return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }
+
+inline QSize &QSize::operator/=( int c )
+{
+#if defined(QT_CHECK_MATH)
+ if ( c == 0 )
+ warningDivByZero();
+#endif
+ wd/=(QCOORD)c; ht/=(QCOORD)c;
+ return *this;
+}
+
+inline QSize &QSize::operator/=( double c )
+{
+#if defined(QT_CHECK_MATH)
+ if ( c == 0.0 )
+ warningDivByZero();
+#endif
+ wd=(QCOORD)(wd/c); ht=(QCOORD)(ht/c);
+ return *this;
+}
+
+inline const QSize operator/( const QSize &s, int c )
+{
+#if defined(QT_CHECK_MATH)
+ if ( c == 0 )
+ QSize::warningDivByZero();
+#endif
+ return QSize(s.wd/c, s.ht/c);
+}
+
+inline const QSize operator/( const QSize &s, double c )
+{
+#if defined(QT_CHECK_MATH)
+ if ( c == 0.0 )
+ QSize::warningDivByZero();
+#endif
+ return QSize((QCOORD)(s.wd/c), (QCOORD)(s.ht/c));
+}
+
+inline QSize QSize::expandedTo( const QSize & otherSize ) const
+{
+ return QSize( QMAX(wd,otherSize.wd), QMAX(ht,otherSize.ht) );
+}
+
+inline QSize QSize::boundedTo( const QSize & otherSize ) const
+{
+ return QSize( QMIN(wd,otherSize.wd), QMIN(ht,otherSize.ht) );
+}
+
+
+#endif // QSIZE_H