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Diffstat (limited to 'tools/source/generic/gen.cxx')
| -rw-r--r-- | tools/source/generic/gen.cxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/tools/source/generic/gen.cxx b/tools/source/generic/gen.cxx new file mode 100644 index 0000000000..012318c021 --- /dev/null +++ b/tools/source/generic/gen.cxx @@ -0,0 +1,225 @@ +/* -*- 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, mnA ); + o3tl::hash_combine( hash, mnB ); + return hash; +} + +void RectangleTemplateBase::SaturatingSetSize(const SizeTemplateBase& rSize) +{ + if (rSize.Width() < 0) + mnRight = o3tl::saturating_add(mnLeft, (rSize.Width() + 1)); + else if ( rSize.Width() > 0 ) + mnRight = o3tl::saturating_add(mnLeft, (rSize.Width() - 1)); + else + SetWidthEmpty(); + + if ( rSize.Height() < 0 ) + mnBottom = o3tl::saturating_add(mnTop, (rSize.Height() + 1)); + else if ( rSize.Height() > 0 ) + mnBottom = o3tl::saturating_add(mnTop, (rSize.Height() - 1)); + else + SetHeightEmpty(); +} + +void RectangleTemplateBase::SaturatingSetPosX(tools::Long x) +{ + if (!IsWidthEmpty()) + mnRight = o3tl::saturating_add(mnRight, x - mnLeft); + mnLeft = x; +} + +void RectangleTemplateBase::SaturatingSetPosY(tools::Long y) +{ + if (!IsHeightEmpty()) + mnBottom = o3tl::saturating_add(mnBottom, y - mnTop); + mnTop = y; +} + +void RectangleTemplateBase::Union( const RectangleTemplateBase& rRect ) +{ + if ( rRect.IsEmpty() ) + return; + + if ( IsEmpty() ) + *this = rRect; + else + { + std::tie(mnLeft, mnRight) = std::minmax({ mnLeft, rRect.mnLeft, mnRight, rRect.mnRight }); + std::tie(mnTop, mnBottom) = std::minmax({ mnTop, rRect.mnTop, mnBottom, rRect.mnBottom }); + } +} + +void RectangleTemplateBase::Intersection( const RectangleTemplateBase& rRect ) +{ + if ( IsEmpty() ) + return; + if ( rRect.IsEmpty() ) + { + *this = tools::Rectangle(); + return; + } + + // Normalize rectangle + RectangleTemplateBase aTmpRect( rRect ); + Normalize(); + aTmpRect.Normalize(); + + // Perform intersection + mnLeft = std::max( mnLeft, aTmpRect.mnLeft ); + mnRight = std::min( mnRight, aTmpRect.mnRight ); + mnTop = std::max( mnTop, aTmpRect.mnTop ); + mnBottom= std::min( mnBottom, aTmpRect.mnBottom ); + + // Determine if intersection is empty + if ( mnRight < mnLeft || mnBottom < mnTop ) + *this = tools::Rectangle(); +} + +void RectangleTemplateBase::Normalize() +{ + if ((mnRight < mnLeft) && (!IsWidthEmpty())) + { + std::swap(mnLeft, mnRight); + } + + if ((mnBottom < mnTop) && (!IsHeightEmpty())) + { + std::swap(mnBottom, mnTop); + } +} + +bool RectangleTemplateBase::Contains( const PointTemplateBase& rPoint ) const +{ + if ( IsEmpty() ) + return false; + + if ( mnLeft <= mnRight ) + { + if ( (rPoint.X() < mnLeft) || (rPoint.X() > mnRight) ) + return false; + } + else + { + if ( (rPoint.X() > mnLeft) || (rPoint.X() < mnRight) ) + return false; + } + if ( mnTop <= mnBottom ) + { + if ( (rPoint.Y() < mnTop) || (rPoint.Y() > mnBottom) ) + return false; + } + else + { + if ( (rPoint.Y() > mnTop) || (rPoint.Y() < mnBottom) ) + return false; + } + return true; +} + +bool RectangleTemplateBase::Contains( const RectangleTemplateBase& rRect ) const +{ + return Contains( PointTemplateBase{ rRect.Left(), rRect.Top() } ) + && Contains( PointTemplateBase{ rRect.Right(), rRect.Bottom() } ); +} + +bool RectangleTemplateBase::Overlaps( const RectangleTemplateBase& rRect ) const +{ + // If there's no intersection, they don't overlap + RectangleTemplateBase aTmp(*this); + aTmp.Intersection(rRect); + return !aTmp.IsEmpty(); +} + +OString RectangleTemplateBase::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(getOpenWidth()) + ", " + + OString::number(getOpenHeight()); +} + +void RectangleTemplateBase::expand(tools::Long nExpandBy) +{ + AdjustLeft(-nExpandBy); + AdjustTop(-nExpandBy); + AdjustRight(nExpandBy); + AdjustBottom(nExpandBy); +} + +void RectangleTemplateBase::shrink(tools::Long nShrinkBy) +{ + mnLeft += nShrinkBy; + mnTop += nShrinkBy; + if (!IsWidthEmpty()) + mnRight -= nShrinkBy; + if (!IsHeightEmpty()) + mnBottom -= nShrinkBy; +} + +tools::Long RectangleTemplateBase::AdjustRight(tools::Long nHorzMoveDelta) +{ + if (IsWidthEmpty()) + mnRight = mnLeft + nHorzMoveDelta - 1; + else + mnRight += nHorzMoveDelta; + return mnRight; +} + +tools::Long RectangleTemplateBase::AdjustBottom( tools::Long nVertMoveDelta ) +{ + if (IsHeightEmpty()) + mnBottom = mnTop + nVertMoveDelta - 1; + else + mnBottom += nVertMoveDelta; + return mnBottom; +} + +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: */ |