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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <rtl/string.hxx>
#include <algorithm>
#include <tuple>
#include <o3tl/hash_combine.hxx>
#include <o3tl/safeint.hxx>
#include <tools/gen.hxx>
OString Pair::toString() const
{
// Note that this is not just used for debugging output but the
// format is parsed by external code (passed in callbacks to
// LibreOfficeKit clients). So don't change.
return OString::number(A()) + ", " + OString::number(B());
}
size_t Pair::GetHashValue() const
{
size_t hash = 0;
o3tl::hash_combine( hash, nA );
o3tl::hash_combine( hash, nB );
return hash;
}
void tools::Rectangle::SetSize( const Size& rSize )
{
if ( rSize.Width() < 0 )
nRight = nLeft + rSize.Width() +1;
else if ( rSize.Width() > 0 )
nRight = nLeft + rSize.Width() -1;
else
SetWidthEmpty();
if ( rSize.Height() < 0 )
nBottom = nTop + rSize.Height() +1;
else if ( rSize.Height() > 0 )
nBottom = nTop + rSize.Height() -1;
else
SetHeightEmpty();
}
void tools::Rectangle::SaturatingSetSize(const Size& rSize)
{
if (rSize.Width() < 0)
nRight = o3tl::saturating_add(nLeft, (rSize.Width() + 1));
else if ( rSize.Width() > 0 )
nRight = o3tl::saturating_add(nLeft, (rSize.Width() - 1));
else
SetWidthEmpty();
if ( rSize.Height() < 0 )
nBottom = o3tl::saturating_add(nTop, (rSize.Height() + 1));
else if ( rSize.Height() > 0 )
nBottom = o3tl::saturating_add(nTop, (rSize.Height() - 1));
else
SetHeightEmpty();
}
void tools::Rectangle::SaturatingSetPosX(tools::Long x)
{
if (!IsWidthEmpty())
nRight = o3tl::saturating_add(nRight, x - nLeft);
nLeft = x;
}
void tools::Rectangle::SaturatingSetPosY(tools::Long y)
{
if (!IsHeightEmpty())
nBottom = o3tl::saturating_add(nBottom, y - nTop);
nTop = y;
}
tools::Rectangle& tools::Rectangle::Union( const tools::Rectangle& rRect )
{
if ( rRect.IsEmpty() )
return *this;
if ( IsEmpty() )
*this = rRect;
else
{
std::tie(nLeft, nRight) = std::minmax({ nLeft, rRect.nLeft, nRight, rRect.nRight });
std::tie(nTop, nBottom) = std::minmax({ nTop, rRect.nTop, nBottom, rRect.nBottom });
}
return *this;
}
tools::Rectangle& tools::Rectangle::Intersection( const tools::Rectangle& rRect )
{
if ( IsEmpty() )
return *this;
if ( rRect.IsEmpty() )
{
*this = tools::Rectangle();
return *this;
}
// Justify rectangle
tools::Rectangle aTmpRect( rRect );
Justify();
aTmpRect.Justify();
// Perform intersection
nLeft = std::max( nLeft, aTmpRect.nLeft );
nRight = std::min( nRight, aTmpRect.nRight );
nTop = std::max( nTop, aTmpRect.nTop );
nBottom= std::min( nBottom, aTmpRect.nBottom );
// Determine if intersection is empty
if ( nRight < nLeft || nBottom < nTop )
*this = tools::Rectangle();
return *this;
}
void tools::Rectangle::Justify()
{
if ((nRight < nLeft) && (!IsWidthEmpty()))
{
std::swap(nLeft, nRight);
}
if ((nBottom < nTop) && (!IsHeightEmpty()))
{
std::swap(nBottom, nTop);
}
}
bool tools::Rectangle::Contains( const Point& rPoint ) const
{
if ( IsEmpty() )
return false;
if ( nLeft <= nRight )
{
if ( (rPoint.X() < nLeft) || (rPoint.X() > nRight) )
return false;
}
else
{
if ( (rPoint.X() > nLeft) || (rPoint.X() < nRight) )
return false;
}
if ( nTop <= nBottom )
{
if ( (rPoint.Y() < nTop) || (rPoint.Y() > nBottom) )
return false;
}
else
{
if ( (rPoint.Y() > nTop) || (rPoint.Y() < nBottom) )
return false;
}
return true;
}
bool tools::Rectangle::Contains( const tools::Rectangle& rRect ) const
{
return Contains( rRect.TopLeft() ) && Contains( rRect.BottomRight() );
}
bool tools::Rectangle::Overlaps( const tools::Rectangle& rRect ) const
{
// If there's no intersection, they don't overlap
return !GetIntersection( rRect ).IsEmpty();
}
OString tools::Rectangle::toString() const
{
// Note that this is not just used for debugging output but the
// format is parsed by external code (passed in callbacks to
// LibreOfficeKit clients). So don't change.
return OString::number(Left()) + ", " + OString::number(Top()) + ", " + OString::number(getWidth()) + ", " + OString::number(getHeight());
}
void tools::Rectangle::expand(tools::Long nExpandBy)
{
AdjustLeft(-nExpandBy);
AdjustTop(-nExpandBy);
AdjustRight(nExpandBy);
AdjustBottom(nExpandBy);
}
void tools::Rectangle::shrink(tools::Long nShrinkBy)
{
nLeft += nShrinkBy;
nTop += nShrinkBy;
if (!IsWidthEmpty())
nRight -= nShrinkBy;
if (!IsHeightEmpty())
nBottom -= nShrinkBy;
}
tools::Long tools::Rectangle::AdjustRight(tools::Long nHorzMoveDelta)
{
if (IsWidthEmpty())
nRight = nLeft + nHorzMoveDelta - 1;
else
nRight += nHorzMoveDelta;
return nRight;
}
tools::Long tools::Rectangle::AdjustBottom( tools::Long nVertMoveDelta )
{
if (IsHeightEmpty())
nBottom = nTop + nVertMoveDelta - 1;
else
nBottom += nVertMoveDelta;
return nBottom;
}
static_assert( std::is_trivially_copyable< Pair >::value );
static_assert( std::is_trivially_copyable< Point >::value );
static_assert( std::is_trivially_copyable< Size >::value );
static_assert( std::is_trivially_copyable< Range >::value );
static_assert( std::is_trivially_copyable< Selection >::value );
static_assert( std::is_trivially_copyable< tools::Rectangle >::value );
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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