b93769c666
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: Ifd59a5d93cfe7dc232891a681002014cd825035a Reviewed-on: https://gerrit.libreoffice.org/61546 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
115 lines
4.3 KiB
C++
115 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_BASEGFX_POLYGON_B2DTRAPEZOID_HXX
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#define INCLUDED_BASEGFX_POLYGON_B2DTRAPEZOID_HXX
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <vector>
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#include <basegfx/basegfxdllapi.h>
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namespace basegfx { class B2DPolyPolygon; }
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namespace basegfx { class B2DPoint; }
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namespace basegfx
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{
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// class to hold a single trapezoid
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class BASEGFX_DLLPUBLIC B2DTrapezoid
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{
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private:
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// Geometry data. YValues are down-oriented, this means bottom should
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// be bigger than top to be below it. The constructor implementation
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// guarantees:
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// - mfBottomY >= mfTopY
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// - mfTopXRight >= mfTopXLeft
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// - mfBottomXRight >= mfBottomXLeft
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double mfTopXLeft;
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double mfTopXRight;
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double mfTopY;
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double mfBottomXLeft;
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double mfBottomXRight;
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double mfBottomY;
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public:
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// constructor
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B2DTrapezoid(
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const double& rfTopXLeft,
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const double& rfTopXRight,
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const double& rfTopY,
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const double& rfBottomXLeft,
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const double& rfBottomXRight,
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const double& rfBottomY);
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// data read access
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const double& getTopXLeft() const { return mfTopXLeft; }
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const double& getTopXRight() const { return mfTopXRight; }
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const double& getTopY() const { return mfTopY; }
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const double& getBottomXLeft() const { return mfBottomXLeft; }
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const double& getBottomXRight() const { return mfBottomXRight; }
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const double& getBottomY() const { return mfBottomY; }
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// convenience method to get content as Polygon
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B2DPolygon getB2DPolygon() const;
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};
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typedef ::std::vector< B2DTrapezoid > B2DTrapezoidVector;
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} // end of namespace basegfx
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namespace basegfx
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{
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namespace utils
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{
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// convert SourcePolyPolygon to trapezoids. The trapezoids will be appended to
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// ro_Result. ro_Result will not be cleared. If SourcePolyPolygon contains curves,
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// it's default AdaptiveSubdivision will be used.
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// CAUTION: Trapezoids are orientation-dependent in the sense that the upper and lower
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// lines have to be parallel to the X-Axis, thus this subdivision is NOT simply usable
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// for primitive decompositions. To use it, the shear and rotate parts of the
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// involved transformations HAVE to be taken into account.
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BASEGFX_DLLPUBLIC void trapezoidSubdivide(
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B2DTrapezoidVector& ro_Result,
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const B2DPolyPolygon& rSourcePolyPolygon);
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// directly create trapezoids from given edge. Depending on the given geometry,
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// none up to three trapezoids will be created
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BASEGFX_DLLPUBLIC void createLineTrapezoidFromEdge(
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B2DTrapezoidVector& ro_Result,
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const B2DPoint& rPointA,
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const B2DPoint& rPointB,
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double fLineWidth);
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// create trapezoids for all edges of the given polygon. The closed state of
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// the polygon is taken into account. If curves are contained, the default
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// AdaptiveSubdivision will be used.
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BASEGFX_DLLPUBLIC void createLineTrapezoidFromB2DPolygon(
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B2DTrapezoidVector& ro_Result,
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const B2DPolygon& rPolygon,
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double fLineWidth);
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} // end of namespace utils
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} // end of namespace basegfx
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#endif // INCLUDED_BASEGFX_POLYGON_B2DTRAPEZOID_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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