tools/source/generic/gen.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <tools/debug.hxx>
  21 #include <tools/gen.hxx>
  22 #include <tools/stream.hxx>
  23
  24 SvStream& operator>>( SvStream& rIStream, Pair& rPair )
  25 {
  26     DBG_ASSERTWARNING( rIStream.GetVersion(), "Pair::>> - Solar-Version not set on rIStream" );
  27
  28     //39428 SvStream no longer supports operator>>(long&)
  29     sal_Int32 nTmpA(0), nTmpB(0);
  30     rIStream >> nTmpA >> nTmpB;
  31     rPair.nA = nTmpA;
  32     rPair.nB = nTmpB;
  33
  34     return rIStream;
  35 }
  36
  37 SvStream& operator<<( SvStream& rOStream, const Pair& rPair )
  38 {
  39     DBG_ASSERTWARNING( rOStream.GetVersion(), "Pair::<< - Solar-Version not set on rOStream" );
  40
  41     //39428 SvStream no longer supports operator<<(long)
  42     rOStream << sal::static_int_cast<sal_Int32>(rPair.nA) << sal::static_int_cast<sal_Int32>(rPair.nB);
  43
  44     return rOStream;
  45 }
  46
  47 void Rectangle::SetSize( const Size& rSize )
  48 {
  49     if ( rSize.Width() < 0 )
  50         nRight  = nLeft + rSize.Width() +1;
  51     else if ( rSize.Width() > 0 )
  52         nRight  = nLeft + rSize.Width() -1;
  53     else
  54         nRight = RECT_EMPTY;
  55
  56     if ( rSize.Height() < 0 )
  57         nBottom  = nTop + rSize.Height() +1;
  58     else if ( rSize.Height() > 0 )
  59         nBottom  = nTop + rSize.Height() -1;
  60     else
  61         nBottom = RECT_EMPTY;
  62 }
  63
  64 Rectangle& Rectangle::Union( const Rectangle& rRect )
  65 {
  66     if ( rRect.IsEmpty() )
  67         return *this;
  68
  69     if ( IsEmpty() )
  70         *this = rRect;
  71     else
  72     {
  73         nLeft  =  std::min( std::min( nLeft, rRect.nLeft ), std::min( nRight, rRect.nRight )   );
  74         nRight  = std::max( std::max( nLeft, rRect.nLeft ), std::max( nRight, rRect.nRight )   );
  75         nTop    = std::min( std::min( nTop, rRect.nTop ),   std::min( nBottom, rRect.nBottom ) );
  76         nBottom = std::max( std::max( nTop, rRect.nTop ),   std::max( nBottom, rRect.nBottom ) );
  77     }
  78
  79     return *this;
  80 }
  81
  82 Rectangle& Rectangle::Intersection( const Rectangle& rRect )
  83 {
  84     if ( IsEmpty() )
  85         return *this;
  86     if ( rRect.IsEmpty() )
  87     {
  88         *this = Rectangle();
  89         return *this;
  90     }
  91
  92     // Justify rectangle
  93     Rectangle aTmpRect( rRect );
  94     Justify();
  95     aTmpRect.Justify();
  96
  97     // Perform intersection
  98     nLeft  = std::max( nLeft, aTmpRect.nLeft );
  99     nRight = std::min( nRight, aTmpRect.nRight );
 100     nTop   = std::max( nTop, aTmpRect.nTop );
 101     nBottom= std::min( nBottom, aTmpRect.nBottom );
 102
 103     // Determine if intersection is empty
 104     if ( nRight < nLeft || nBottom < nTop )
 105         *this = Rectangle();
 106
 107     return *this;
 108 }
 109
 110 void Rectangle::Justify()
 111 {
 112     long nHelp;
 113
 114     if ( (nRight < nLeft) && (nRight != RECT_EMPTY) )
 115     {
 116         nHelp = nLeft;
 117         nLeft = nRight;
 118         nRight = nHelp;
 119     }
 120
 121     if ( (nBottom < nTop) && (nBottom != RECT_EMPTY) )
 122     {
 123         nHelp = nBottom;
 124         nBottom = nTop;
 125         nTop = nHelp;
 126     }
 127 }
 128
 129 sal_Bool Rectangle::IsInside( const Point& rPoint ) const
 130 {
 131     if ( IsEmpty() )
 132         return sal_False;
 133
 134     sal_Bool bRet = sal_True;
 135     if ( nLeft <= nRight )
 136     {
 137         if ( (rPoint.X() < nLeft) || (rPoint.X() > nRight) )
 138             bRet = sal_False;
 139     }
 140     else
 141     {
 142         if ( (rPoint.X() > nLeft) || (rPoint.X() < nRight) )
 143             bRet = sal_False;
 144     }
 145     if ( nTop <= nBottom )
 146     {
 147         if ( (rPoint.Y() < nTop) || (rPoint.Y() > nBottom) )
 148             bRet = sal_False;
 149     }
 150     else
 151     {
 152         if ( (rPoint.Y() > nTop) || (rPoint.Y() < nBottom) )
 153             bRet = sal_False;
 154     }
 155     return bRet;
 156 }
 157
 158 sal_Bool Rectangle::IsInside( const Rectangle& rRect ) const
 159 {
 160     if ( IsInside( rRect.TopLeft() ) && IsInside( rRect.BottomRight() ) )
 161         return sal_True;
 162     else
 163         return sal_False;
 164 }
 165
 166 sal_Bool Rectangle::IsOver( const Rectangle& rRect ) const
 167 {
 168     // If there's no intersection, they don't overlap
 169     return !GetIntersection( rRect ).IsEmpty();
 170 }
 171
 172 SvStream& operator>>( SvStream& rIStream, Rectangle& rRect )
 173 {
 174     DBG_ASSERTWARNING( rIStream.GetVersion(), "Rectangle::>> - Solar-Version not set on rIStream" );
 175
 176     //fdo#39428 SvStream no longer supports operator>>(long&)
 177     sal_Int32 nTmpL(0), nTmpT(0), nTmpR(0), nTmpB(0);
 178
 179     rIStream >> nTmpL >> nTmpT >> nTmpR >> nTmpB;
 180
 181     rRect.nLeft = nTmpL;
 182     rRect.nTop = nTmpT;
 183     rRect.nRight = nTmpR;
 184     rRect.nBottom = nTmpB;
 185
 186     return rIStream;
 187 }
 188
 189 SvStream& operator<<( SvStream& rOStream, const Rectangle& rRect )
 190 {
 191     DBG_ASSERTWARNING( rOStream.GetVersion(), "Rectangle::<< - Solar-Version not set on rOStream" );
 192
 193     //fdo#39428 SvStream no longer supports operator<<(long)
 194     rOStream << sal::static_int_cast<sal_Int32>(rRect.nLeft)
 195              << sal::static_int_cast<sal_Int32>(rRect.nTop)
 196              << sal::static_int_cast<sal_Int32>(rRect.nRight)
 197              << sal::static_int_cast<sal_Int32>(rRect.nBottom);
 198
 199     return rOStream;
 200 }
 201
 202 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */