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author | Bjoern Michaelsen <bjoern.michaelsen@canonical.com> | 2013-04-18 18:26:28 +0200 |
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committer | Bjoern Michaelsen <bjoern.michaelsen@canonical.com> | 2013-04-23 22:20:31 +0200 |
commit | b9337e22ce1dbf2eba0e8c8db294ae99f4111f91 (patch) | |
tree | 53ee1bd3dfd213815a21579151983cb997922b05 /include/basegfx/polygon/b3dpolygontools.hxx | |
parent | move global headers script (diff) | |
download | core-b9337e22ce1dbf2eba0e8c8db294ae99f4111f91.tar.gz core-b9337e22ce1dbf2eba0e8c8db294ae99f4111f91.zip |
execute move of global headers
see https://gerrit.libreoffice.org/#/c/3367/
and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details
Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
Diffstat (limited to 'include/basegfx/polygon/b3dpolygontools.hxx')
-rw-r--r-- | include/basegfx/polygon/b3dpolygontools.hxx | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/include/basegfx/polygon/b3dpolygontools.hxx b/include/basegfx/polygon/b3dpolygontools.hxx new file mode 100644 index 000000000000..9ed32b42fb90 --- /dev/null +++ b/include/basegfx/polygon/b3dpolygontools.hxx @@ -0,0 +1,135 @@ +/* -*- 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_POLYGON_B3DPOLYGONTOOLS_HXX +#define _BGFX_POLYGON_B3DPOLYGONTOOLS_HXX + +#include <basegfx/point/b3dpoint.hxx> +#include <basegfx/vector/b3dvector.hxx> +#include <basegfx/polygon/b3dpolypolygon.hxx> +#include <basegfx/vector/b2enums.hxx> +#include <vector> +#include <basegfx/basegfxdllapi.h> + +////////////////////////////////////////////////////////////////////////////// + +namespace basegfx +{ + // predefinitions + class B3DPolygon; + class B3DRange; + + namespace tools + { + // B3DPolygon tools + + /** Check if given polygon is closed. This is kind of a + 'classic' method to support old polygon definitions. + Those old polygon definitions define the closed state + of the polygon using identical start and endpoints. This + method corrects this (removes double start/end points) + and sets the Closed()-state of the polygon correctly. + */ + BASEGFX_DLLPUBLIC void checkClosed(B3DPolygon& rCandidate); + + // Get successor and predecessor indices. Returning the same index means there + // is none. Same for successor. + BASEGFX_DLLPUBLIC sal_uInt32 getIndexOfSuccessor(sal_uInt32 nIndex, const B3DPolygon& rCandidate); + + // get size of polygon. Control vectors are included in that ranges. + BASEGFX_DLLPUBLIC B3DRange getRange(const B3DPolygon& rCandidate); + + // get normal vector of polygon + BASEGFX_DLLPUBLIC B3DVector getNormal(const B3DPolygon& rCandidate); + + // get area of polygon + BASEGFX_DLLPUBLIC double getArea(const ::basegfx::B3DPolygon& rCandidate); + + // get length of polygon + BASEGFX_DLLPUBLIC double getLength(const B3DPolygon& rCandidate); + + /** Apply given LineDashing to given polygon + + For a description see applyLineDashing in b2dpolygontoos.hxx + */ + BASEGFX_DLLPUBLIC void applyLineDashing( + const B3DPolygon& rCandidate, + const ::std::vector<double>& rDotDashArray, + B3DPolyPolygon* pLineTarget, + B3DPolyPolygon* pGapTarget = 0, + double fFullDashDotLen = 0.0); + + /** Create/replace normals for given 3d geometry with default normals from given center to outside. + rCandidate: the 3d geometry to change + rCenter: the center of the 3d geometry + */ + BASEGFX_DLLPUBLIC B3DPolygon applyDefaultNormalsSphere( const B3DPolygon& rCandidate, const B3DPoint& rCenter); + + /** invert normals for given 3d geometry. + */ + BASEGFX_DLLPUBLIC B3DPolygon invertNormals( const B3DPolygon& rCandidate); + + /** Create/replace texture coordinates for given 3d geometry with parallel projected one + rRange: the full range of the 3d geometry + If bChangeX, x texture coordinate will be recalculated. + If bChangeY, y texture coordinate will be recalculated. + */ + BASEGFX_DLLPUBLIC B3DPolygon applyDefaultTextureCoordinatesParallel( const B3DPolygon& rCandidate, const B3DRange& rRange, bool bChangeX = true, bool bChangeY = true); + + /** Create/replace texture coordinates for given 3d geometry with spherical one + rCenter: the centre of the used 3d geometry + If bChangeX, x texture coordinate will be recalculated. + If bChangeY, y texture coordinate will be recalculated. + */ + BASEGFX_DLLPUBLIC B3DPolygon applyDefaultTextureCoordinatesSphere( const B3DPolygon& rCandidate, const B3DPoint& rCenter, bool bChangeX = true, bool bChangeY = true); + + // isInside tests for B3DPoint. On border is not inside as long as not true is given in bWithBorder flag. + BASEGFX_DLLPUBLIC bool isInside(const B3DPolygon& rCandidate, const B3DPoint& rPoint, bool bWithBorder = false); + + // calculates if given point is on given line, taking care of the numerical epsilon + BASEGFX_DLLPUBLIC bool isPointOnLine(const B3DPoint& rStart, const B3DPoint& rEnd, const B3DPoint& rCandidate, bool bWithPoints = false); + + // calculates if given point is on given polygon, taking care of the numerical epsilon. Uses + // isPointOnLine internally + BASEGFX_DLLPUBLIC bool isPointOnPolygon(const B3DPolygon& rCandidate, const B3DPoint& rPoint, bool bWithPoints = true); + + // helper to get a fCut position between a plane (given with normal and a point) + // and a line given by start and end point + BASEGFX_DLLPUBLIC bool getCutBetweenLineAndPlane(const B3DVector& rPlaneNormal, const B3DPoint& rPlanePoint, const B3DPoint& rEdgeStart, const B3DPoint& rEdgeEnd, double& fCut); + + /** snap some polygon coordinates to discrete coordinates + + This method allows to snap some polygon points to discrete (integer) values + which equals e.g. a snap to discrete coordinates. It will snap points of + horizontal and vertical edges + + @param rCandidate + The source polygon + + @return + The modified version of the source polygon + */ + BASEGFX_DLLPUBLIC B3DPolygon snapPointsOfHorizontalOrVerticalEdges(const B3DPolygon& rCandidate); + + } // end of namespace tools +} // end of namespace basegfx + +#endif /* _BGFX_POLYGON_B3DPOLYGONTOOLS_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |