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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /tools/source/generic/gen.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/source/generic/gen.cxx')
-rw-r--r-- | tools/source/generic/gen.cxx | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/tools/source/generic/gen.cxx b/tools/source/generic/gen.cxx new file mode 100644 index 000000000..7a275eea3 --- /dev/null +++ b/tools/source/generic/gen.cxx @@ -0,0 +1,283 @@ +/* -*- 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 <sal/log.hxx> + +#include <algorithm> +#include <cassert> +#include <sstream> +#include <o3tl/safeint.hxx> +#include <tools/gen.hxx> +#include <tools/stream.hxx> + +OString Pair::toString() const +{ + std::stringstream ss; + // 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. + ss << A() << ", " << B(); + return ss.str().c_str(); +} + +tools::Rectangle tools::Rectangle::Justify( const Point& rLT, const Point& rRB ) +{ + long nLeft = std::min(rLT.X(), rRB.X()); + long nTop = std::min(rLT.Y(), rRB.Y()); + long nRight = std::max(rLT.X(), rRB.X()); + long nBottom = std::max(rLT.Y(), rRB.Y()); + return Rectangle( nLeft, nTop, nRight, nBottom ); +} + +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 + nRight = RECT_EMPTY; + + if ( rSize.Height() < 0 ) + nBottom = nTop + rSize.Height() +1; + else if ( rSize.Height() > 0 ) + nBottom = nTop + rSize.Height() -1; + else + nBottom = RECT_EMPTY; +} + +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 + nRight = RECT_EMPTY; + + 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 + nBottom = RECT_EMPTY; +} + +void tools::Rectangle::SaturatingSetX(long x) +{ + if (nRight != RECT_EMPTY) + nRight = o3tl::saturating_add(nRight, x - nLeft); + nLeft = x; +} + +void tools::Rectangle::SaturatingSetY(long y) +{ + if (nBottom != RECT_EMPTY) + 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 + { + nLeft = std::min( std::min( nLeft, rRect.nLeft ), std::min( nRight, rRect.nRight ) ); + nRight = std::max( std::max( nLeft, rRect.nLeft ), std::max( nRight, rRect.nRight ) ); + nTop = std::min( std::min( nTop, rRect.nTop ), std::min( nBottom, rRect.nBottom ) ); + nBottom = std::max( std::max( nTop, rRect.nTop ), std::max( 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) && (nRight != RECT_EMPTY) ) + { + std::swap(nLeft, nRight); + } + + if ( (nBottom < nTop) && (nBottom != RECT_EMPTY) ) + { + std::swap(nBottom, nTop); + } +} + +bool tools::Rectangle::IsInside( 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::IsInside( const tools::Rectangle& rRect ) const +{ + return IsInside( rRect.TopLeft() ) && IsInside( rRect.BottomRight() ); +} + +bool tools::Rectangle::IsOver( const tools::Rectangle& rRect ) const +{ + // If there's no intersection, they don't overlap + return !GetIntersection( rRect ).IsEmpty(); +} + +OString tools::Rectangle::toString() const +{ + std::stringstream ss; + // 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. + ss << getX() << ", " << getY() << ", " << getWidth() << ", " << getHeight(); + return ss.str().c_str(); +} + +void tools::Rectangle::expand(long nExpandBy) +{ + nLeft -= nExpandBy; + nTop -= nExpandBy; + if (nRight == RECT_EMPTY) + nRight = nLeft + nExpandBy - 1; + else + nRight += nExpandBy; + if (nBottom == RECT_EMPTY) + nBottom = nTop + nExpandBy - 1; + else + nBottom += nExpandBy; +} + +void tools::Rectangle::shrink(long nShrinkBy) +{ + nLeft += nShrinkBy; + nTop += nShrinkBy; + if (nRight != RECT_EMPTY) + nRight -= nShrinkBy; + if (nBottom != RECT_EMPTY) + nBottom -= nShrinkBy; +} + +long tools::Rectangle::AdjustRight(long nHorzMoveDelta) +{ + if (nRight == RECT_EMPTY) + nRight = nLeft + nHorzMoveDelta - 1; + else + nRight += nHorzMoveDelta; + return nRight; +} + +long tools::Rectangle::AdjustBottom( long nVertMoveDelta ) +{ + if (nBottom == RECT_EMPTY) + nBottom = nTop + nVertMoveDelta - 1; + else + nBottom += nVertMoveDelta; + return nBottom; +} + +void tools::Rectangle::setX( long x ) +{ + if (nRight != RECT_EMPTY) + nRight += x - nLeft; + nLeft = x; +} + +void tools::Rectangle::setY( long y ) +{ + if (nBottom != RECT_EMPTY) + nBottom += y - nTop; + nTop = y; +} + +long tools::Rectangle::Right() const +{ + return nRight == RECT_EMPTY ? nLeft : nRight; +} + +long tools::Rectangle::Bottom() const +{ + return nBottom == RECT_EMPTY ? nTop : nBottom; +} + +/// Returns the difference between right and left, assuming the range includes one end, but not the other. +long tools::Rectangle::getWidth() const +{ + return nRight == RECT_EMPTY ? 0 : nRight - nLeft; +} + +/// Returns the difference between bottom and top, assuming the range includes one end, but not the other. +long tools::Rectangle::getHeight() const +{ + return nBottom == RECT_EMPTY ? 0 : nBottom - nTop; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |