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Diffstat (limited to 'basegfx/inc/basegfx/range/b2drange.hxx')
| -rw-r--r-- | basegfx/inc/basegfx/range/b2drange.hxx | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/basegfx/inc/basegfx/range/b2drange.hxx b/basegfx/inc/basegfx/range/b2drange.hxx deleted file mode 100644 index 1f3884c1c9ce..000000000000 --- a/basegfx/inc/basegfx/range/b2drange.hxx +++ /dev/null @@ -1,320 +0,0 @@ -/* -*- 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 . - */ - -#ifndef _BGFX_RANGE_B2DRANGE_HXX -#define _BGFX_RANGE_B2DRANGE_HXX - -#include <basegfx/vector/b2dvector.hxx> -#include <basegfx/point/b2dpoint.hxx> -#include <basegfx/tuple/b2dtuple.hxx> -#include <basegfx/range/basicrange.hxx> -#include <vector> -#include <basegfx/basegfxdllapi.h> - - -namespace basegfx -{ - // predeclarations - class B2IRange; - class B2DHomMatrix; - - /** A two-dimensional interval over doubles - - This is a set of real numbers, bounded by a lower and an upper - pair. All inbetween values are included in the set (see also - http://en.wikipedia.org/wiki/Interval_%28mathematics%29). - - The set is closed, i.e. the upper and the lower bound are - included (if you're used to the notation - we're talking about - [a,b] here, compared to half-open [a,b) or open intervals - (a,b)). - - That means, isInside(val) will return true also for values of - val=a or val=b. - - @see B1DRange - */ - class B2DRange - { - public: - typedef double ValueType; - typedef DoubleTraits TraitsType; - - B2DRange() {} - - /// Create degenerate interval consisting of a single point - explicit B2DRange(const B2DTuple& rTuple) - : maRangeX(rTuple.getX()), - maRangeY(rTuple.getY()) - { - } - - /// Create proper interval between the two given double pairs - B2DRange(double x1, - double y1, - double x2, - double y2) - : maRangeX(x1), - maRangeY(y1) - { - maRangeX.expand(x2); - maRangeY.expand(y2); - } - - /// Create proper interval between the two given points - B2DRange(const B2DTuple& rTuple1, - const B2DTuple& rTuple2) - : maRangeX(rTuple1.getX()), - maRangeY(rTuple1.getY()) - { - expand( rTuple2 ); - } - - BASEGFX_DLLPUBLIC explicit B2DRange(const B2IRange& rRange); - - /** Check if the interval set is empty - - @return false, if no value is in this set - having a - single point included will already return true. - */ - bool isEmpty() const - { - return ( - maRangeX.isEmpty() - || maRangeY.isEmpty() - ); - } - - /// reset the object to empty state again, clearing all values - void reset() - { - maRangeX.reset(); - maRangeY.reset(); - } - - bool operator==( const B2DRange& rRange ) const - { - return (maRangeX == rRange.maRangeX - && maRangeY == rRange.maRangeY); - } - - bool operator!=( const B2DRange& rRange ) const - { - return (maRangeX != rRange.maRangeX - || maRangeY != rRange.maRangeY); - } - - bool equal(const B2DRange& rRange) const - { - return (maRangeX.equal(rRange.maRangeX) - && maRangeY.equal(rRange.maRangeY)); - } - - /// get lower bound of the set. returns arbitrary values for empty sets. - double getMinX() const - { - return maRangeX.getMinimum(); - } - - /// get lower bound of the set. returns arbitrary values for empty sets. - double getMinY() const - { - return maRangeY.getMinimum(); - } - - /// get upper bound of the set. returns arbitrary values for empty sets. - double getMaxX() const - { - return maRangeX.getMaximum(); - } - - /// get upper bound of the set. returns arbitrary values for empty sets. - double getMaxY() const - { - return maRangeY.getMaximum(); - } - - /// return difference between upper and lower X value. returns 0 for empty sets. - double getWidth() const - { - return maRangeX.getRange(); - } - - /// return difference between upper and lower Y value. returns 0 for empty sets. - double getHeight() const - { - return maRangeY.getRange(); - } - - /// get lower bound of the set. returns arbitrary values for empty sets. - B2DPoint getMinimum() const - { - return B2DPoint( - maRangeX.getMinimum(), - maRangeY.getMinimum() - ); - } - - /// get upper bound of the set. returns arbitrary values for empty sets. - B2DPoint getMaximum() const - { - return B2DPoint( - maRangeX.getMaximum(), - maRangeY.getMaximum() - ); - } - - /// return difference between upper and lower point. returns (0,0) for empty sets. - B2DVector getRange() const - { - return B2DVector( - maRangeX.getRange(), - maRangeY.getRange() - ); - } - - /// return center point of set. returns (0,0) for empty sets. - B2DPoint getCenter() const - { - return B2DPoint( - maRangeX.getCenter(), - maRangeY.getCenter() - ); - } - - /// return center X value of set. returns 0 for empty sets. - double getCenterX() const - { - return maRangeX.getCenter(); - } - - /// return center Y value of set. returns 0 for empty sets. - double getCenterY() const - { - return maRangeY.getCenter(); - } - - /// yields true if given point is contained in set - bool isInside(const B2DTuple& rTuple) const - { - return ( - maRangeX.isInside(rTuple.getX()) - && maRangeY.isInside(rTuple.getY()) - ); - } - - /// yields true if rRange is inside, or equal to set - bool isInside(const B2DRange& rRange) const - { - return ( - maRangeX.isInside(rRange.maRangeX) - && maRangeY.isInside(rRange.maRangeY) - ); - } - - /// yields true if rRange at least partly inside set - bool overlaps(const B2DRange& rRange) const - { - return ( - maRangeX.overlaps(rRange.maRangeX) - && maRangeY.overlaps(rRange.maRangeY) - ); - } - - /// yields true if overlaps(rRange) does, and the overlap is larger than infinitesimal - bool overlapsMore(const B2DRange& rRange) const - { - return ( - maRangeX.overlapsMore(rRange.maRangeX) - && maRangeY.overlapsMore(rRange.maRangeY) - ); - } - - /// add point to the set, expanding as necessary - void expand(const B2DTuple& rTuple) - { - maRangeX.expand(rTuple.getX()); - maRangeY.expand(rTuple.getY()); - } - - /// add rRange to the set, expanding as necessary - void expand(const B2DRange& rRange) - { - maRangeX.expand(rRange.maRangeX); - maRangeY.expand(rRange.maRangeY); - } - - /// calc set intersection - void intersect(const B2DRange& rRange) - { - maRangeX.intersect(rRange.maRangeX); - maRangeY.intersect(rRange.maRangeY); - } - - /// grow set by fValue on all sides - void grow(double fValue) - { - maRangeX.grow(fValue); - maRangeY.grow(fValue); - } - - BASEGFX_DLLPUBLIC void transform(const B2DHomMatrix& rMatrix); - - private: - typedef ::basegfx::BasicRange< ValueType, TraitsType > MyBasicRange; - - MyBasicRange maRangeX; - MyBasicRange maRangeY; - }; - - /** Round double to nearest integer for 2D range - - @return the nearest integer for this range - */ - BASEGFX_DLLPUBLIC B2IRange fround(const B2DRange& rRange); - - /** Compute the set difference of the two given ranges - - This method calculates the symmetric difference (aka XOR) - between the two given ranges, and returning the resulting - ranges. Thus, the result will contain all areas where one, but - not both ranges lie. - - @param o_rResult - Result vector. The up to four difference ranges are returned - within this vector - - @param rFirst - The first range - - @param rSecond - The second range - - @return the input vector - */ - BASEGFX_DLLPUBLIC ::std::vector< B2DRange >& computeSetDifference( ::std::vector< B2DRange >& o_rResult, - const B2DRange& rFirst, - const B2DRange& rSecond ); - -} // end of namespace basegfx - - -#endif /* _BGFX_RANGE_B2DRANGE_HXX */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |