svdtrans.hxx

/* -*- 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 . */ #pragma once #include <rtl/ustring.hxx> #include <svx/svxdllapi.h> #include <tools/degree.hxx> #include <tools/fldunit.hxx> #include <tools/fract.hxx> #include <tools/gen.hxx> #include <tools/helpers.hxx> #include <tools/mapunit.hxx> #include <tools/poly.hxx> // That maximum shear angle constexpr Degree100 SDRMAXSHEAR(8900); class XPolygon; class XPolyPolygon; inline void MovePoly(tools::Polygon& rPoly, const Size& S) { rPoly.Move(S.Width(),S.Height()); } void MoveXPoly(XPolygon& rPoly, const Size& S); SVXCORE_DLLPUBLIC void ResizeRect(tools::Rectangle& rRect, const Point& rRef, const Fraction& xFact, const Fraction& yFact); inline void ResizePoint(Point& rPnt, const Point& rRef, const Fraction& xFract, const Fraction& yFract); void ResizePoly(tools::Polygon& rPoly, const Point& rRef, const Fraction& xFact, const Fraction& yFact); void ResizeXPoly(XPolygon& rPoly, const Point& rRef, const Fraction& xFact, const Fraction& yFact); inline void RotatePoint(Point& rPnt, const Point& rRef, double sn, double cs); SVXCORE_DLLPUBLIC void RotatePoly(tools::Polygon& rPoly, const Point& rRef, double sn, double cs); void RotateXPoly(XPolygon& rPoly, const Point& rRef, double sn, double cs); void RotateXPoly(XPolyPolygon& rPoly, const Point& rRef, double sn, double cs); void MirrorPoint(Point& rPnt, const Point& rRef1, const Point& rRef2); void MirrorXPoly(XPolygon& rPoly, const Point& rRef1, const Point& rRef2); inline void ShearPoint(Point& rPnt, const Point& rRef, double tn, bool bVShear = false); SVXCORE_DLLPUBLIC void ShearPoly(tools::Polygon& rPoly, const Point& rRef, double tn); void ShearXPoly(XPolygon& rPoly, const Point& rRef, double tn, bool bVShear = false); /** * rPnt.X/rPnt.Y is set to rCenter.X or rCenter.Y! * We then only need to rotate rPnt by rCenter. * * @return the returned angle is in rad */ inline double GetCrookAngle(Point& rPnt, const Point& rCenter, const Point& rRad, bool bVertical); /** * The following methods accept a point of an XPolygon, whereas the neighbouring * control points of the actual point are passed in pC1/pC2. * Via rSin/rCos, sin(nAngle) and cos(nAngle) are returned. * * @return the returned angle is in rad */ double CrookRotateXPoint(Point& rPnt, Point* pC1, Point* pC2, const Point& rCenter, const Point& rRad, double& rSin, double& rCos, bool bVert); double CrookSlantXPoint(Point& rPnt, Point* pC1, Point* pC2, const Point& rCenter, const Point& rRad, double& rSin, double& rCos, bool bVert); double CrookStretchXPoint(Point& rPnt, Point* pC1, Point* pC2, const Point& rCenter, const Point& rRad, double& rSin, double& rCos, bool bVert, const tools::Rectangle& rRefRect); void CrookRotatePoly(XPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert); void CrookSlantPoly(XPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert); void CrookStretchPoly(XPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert, const tools::Rectangle& rRefRect); void CrookRotatePoly(XPolyPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert); void CrookSlantPoly(XPolyPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert); void CrookStretchPoly(XPolyPolygon& rPoly, const Point& rCenter, const Point& rRad, bool bVert, const tools::Rectangle& rRefRect); /**************************************************************************************************/ /* Inline */ /**************************************************************************************************/ inline void ResizePoint(Point& rPnt, const Point& rRef, const Fraction& xFract, const Fraction& yFract) { double nxFract = xFract.IsValid() ? static_cast<double>(xFract) : 1.0; double nyFract = yFract.IsValid() ? static_cast<double>(yFract) : 1.0; rPnt.setX(rRef.X() + basegfx::fround<tools::Long>((rPnt.X() - rRef.X()) * nxFract)); rPnt.setY(rRef.Y() + basegfx::fround<tools::Long>((rPnt.Y() - rRef.Y()) * nyFract)); } inline void RotatePoint(Point& rPnt, const Point& rRef, double sn, double cs) { tools::Long dx=rPnt.X()-rRef.X(); tools::Long dy=rPnt.Y()-rRef.Y(); rPnt.setX(basegfx::fround<tools::Long>(rRef.X() + dx * cs + dy * sn)); rPnt.setY(basegfx::fround<tools::Long>(rRef.Y() + dy * cs - dx * sn)); } inline void ShearPoint(Point& rPnt, const Point& rRef, double tn, bool bVShear) { if (!bVShear) { // Horizontal if (rPnt.Y()!=rRef.Y()) { // else not needed rPnt.AdjustX(basegfx::fround<tools::Long>((rRef.Y() - rPnt.Y()) * tn)); } } else { // or else vertical if (rPnt.X()!=rRef.X()) { // else not needed rPnt.AdjustY(basegfx::fround<tools::Long>((rRef.X() - rPnt.X()) * tn)); } } } inline double GetCrookAngle(Point& rPnt, const Point& rCenter, const Point& rRad, bool bVertical) { double nAngle; if (bVertical) { tools::Long dy=rPnt.Y()-rCenter.Y(); nAngle=static_cast<double>(dy)/static_cast<double>(rRad.Y()); rPnt.setY(rCenter.Y()); } else { tools::Long dx=rCenter.X()-rPnt.X(); nAngle=static_cast<double>(dx)/static_cast<double>(rRad.X()); rPnt.setX(rCenter.X()); } return nAngle; } /**************************************************************************************************/ /**************************************************************************************************/ /** * The Y axis points down! * The function negates the Y axis, when calculating the angle, such * that GetAngle(Point(0,-1))=90 deg. * GetAngle(Point(0,0)) returns 0. * * @return the returned value is in the range of -180.00..179.99 deg * and is in 1/100 deg units */ SVXCORE_DLLPUBLIC Degree100 GetAngle(const Point& rPnt); SVXCORE_DLLPUBLIC Degree100 NormAngle18000(Degree100 a); /// Normalize angle to -180.00..179.99 SVXCORE_DLLPUBLIC Degree100 NormAngle36000(Degree100 a); /// Normalize angle to 0.00..359.99 sal_uInt16 GetAngleSector(Degree100 nAngle); /// Determine sector within the cartesian coordinate system /** * Calculates the length of (0,0) via a^2 + b^2 = c^2 * In order to avoid overflows, we ignore some decimal places. */ tools::Long GetLen(const Point& rPnt); /** * The transformation of a rectangle into a polygon, by * using angle parameters from GeoStat. ------------ * The point of reference is always the Point 0, meaning /1 2/ * the upper left corner of the initial rectangle. / / * When calculating the polygon, the order is first / / * shear and then the rotation. / / * / / \ * / / | * A) Initial rectangle aRect B) After applying Shear /0 3/ Rot| * +------------------+ -------------------- ------------------ * |0 1| \0 1\ C) After applying Rotate * | | \ \ * | | | \ \ * |3 2| | \3 2\ * +------------------+ | -------------------- * |Shr * * When converting the polygon back into a rect, the order is necessarily the * other way around: * - Calculating the rotation angle: angle of the line 0-1 in figure C) to the horizontal * - Turning the sheared rect back (we get figure B) * - Determining the width of the rect = length of the line 0-1 in figure B) * - Determining the height of the rect = vertical distance between the points 0 and 3 * of figure B) * - Determining the shear angle from the line 0-3 to the perpendicular line. * * We need to keep in mind that the polygon can be mirrored when it was * transformed in the meantime (e.g. mirror or resize with negative factor). * In that case, we first need to normalize, by swapping points (0 with 3 and 1 * with 2), so that it has the right orientation. * * Note: a positive shear angle means a shear with a positive visible curvature * on the screen. Mathematically, that would be a negative curvature, as the * Y axis runs from top to bottom on the screen. * Rotation angle: positive means a visible left rotation. */ class GeoStat { // Geometric state for a rect public: Degree100 m_nRotationAngle; Degree100 m_nShearAngle; double mfTanShearAngle; // tan(nShearAngle) double mfSinRotationAngle; // sin(nRotationAngle) double mfCosRotationAngle; // cos(nRotationAngle) GeoStat(): m_nRotationAngle(0),m_nShearAngle(0),mfTanShearAngle(0.0),mfSinRotationAngle(0.0),mfCosRotationAngle(1.0) {} void RecalcSinCos(); void RecalcTan(); }; tools::Polygon Rect2Poly(const tools::Rectangle& rRect, const GeoStat& rGeo); namespace svx { tools::Rectangle polygonToRectangle(const tools::Polygon& rPolygon, GeoStat& rGeo); } void OrthoDistance8(const Point& rPt0, Point& rPt, bool bBigOrtho); void OrthoDistance4(const Point& rPt0, Point& rPt, bool bBigOrtho); // Multiplication and subsequent division // Calculation and intermediate values are in BigInt SVXCORE_DLLPUBLIC tools::Long BigMulDiv(tools::Long nVal, tools::Long nMul, tools::Long nDiv); class FrPair { Fraction m_aX; Fraction m_aY; public: FrPair(const Fraction& rBoth) : m_aX(rBoth),m_aY(rBoth) {} FrPair(const Fraction& rX, const Fraction& rY) : m_aX(rX),m_aY(rY) {} FrPair(tools::Long nMul, tools::Long nDiv) : m_aX(nMul,nDiv),m_aY(nMul,nDiv) {} FrPair(tools::Long xMul, tools::Long xDiv, tools::Long yMul, tools::Long yDiv): m_aX(xMul,xDiv),m_aY(yMul,yDiv) {} const Fraction& X() const { return m_aX; } const Fraction& Y() const { return m_aY; } Fraction& X() { return m_aX; } Fraction& Y() { return m_aY; } }; // To convert units of measurement SVXCORE_DLLPUBLIC FrPair GetMapFactor(MapUnit eS, MapUnit eD); FrPair GetMapFactor(FieldUnit eS, FieldUnit eD); inline bool IsMetric(MapUnit eU) { return (eU==MapUnit::Map100thMM || eU==MapUnit::Map10thMM || eU==MapUnit::MapMM || eU==MapUnit::MapCM); } inline bool IsInch(MapUnit eU) { return (eU==MapUnit::Map1000thInch || eU==MapUnit::Map100thInch || eU==MapUnit::Map10thInch || eU==MapUnit::MapInch || eU==MapUnit::MapPoint || eU==MapUnit::MapTwip); } inline bool IsMetric(FieldUnit eU) { return (eU == FieldUnit::MM || eU == FieldUnit::CM || eU == FieldUnit::M || eU == FieldUnit::KM || eU == FieldUnit::MM_100TH); } inline bool IsInch(FieldUnit eU) { return (eU == FieldUnit::TWIP || eU == FieldUnit::POINT || eU == FieldUnit::PICA || eU == FieldUnit::INCH || eU == FieldUnit::FOOT || eU == FieldUnit::MILE); } class SVXCORE_DLLPUBLIC SdrFormatter { tools::Long m_nMul; tools::Long m_nDiv; short m_nComma; bool m_bDirty; MapUnit m_eSrcMU; MapUnit m_eDstMU; private: SVX_DLLPRIVATE void Undirty(); public: SdrFormatter(MapUnit eSrc, MapUnit eDst) : m_nMul(0) , m_nDiv(0) , m_nComma(0) , m_bDirty(true) , m_eSrcMU(eSrc) , m_eDstMU(eDst) { } OUString GetStr(tools::Long nVal) const; static OUString GetUnitStr(MapUnit eUnit); static OUString GetUnitStr(FieldUnit eUnit); }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1043 A global object variable 'SDRMAXSHEAR' is declared in the header. Multiple copies of it will be created in all translation units that include this header file.