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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 <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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 22:30:13 +0000