1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _XPOLY_HXX 24 #define _XPOLY_HXX 25 26 // include --------------------------------------------------------------- 27 28 #include <tools/solar.h> 29 #include <basegfx/polygon/b2dpolypolygon.hxx> 30 #include "svx/svxdllapi.h" 31 32 class Point; 33 class Rectangle; 34 class SvStream; 35 class Polygon; 36 class PolyPolygon; 37 class OutputDevice; 38 39 /************************************************************************/ 40 41 #define XPOLYPOLY_APPEND 0xFFFF 42 #define XPOLY_APPEND 0xFFFF 43 44 #define XPOLY_MAXPOINTS 0xFFF0 /* Auch fuer die 32-Bitter etwas Luft lassen */ 45 46 /************************************************************************/ 47 // Punktstile im XPolygon: 48 // NORMAL : Anfangs- oder Endpunkt einer Kurve oder Linie 49 // SMOOTH : Glatter Uebergang zwischen Kurven 50 // SYMMTR : glatter und symmetrischer Uebergang zwischen Kurven 51 // CONTROL: Kontrollpunkt einer Bezierkurve 52 53 enum XPolyFlags { XPOLY_NORMAL, XPOLY_SMOOTH, XPOLY_CONTROL, XPOLY_SYMMTR }; 54 55 56 /************************************************************************* 57 |* 58 |* Klasse XPolygon; hat neben dem Point-Array noch ein Array mit Flags, 59 |* die Informationen ueber den jeweiligen Punkt enthalten 60 |* 61 \************************************************************************/ 62 63 class ImpXPolygon; 64 65 class SVX_DLLPUBLIC XPolygon 66 { 67 protected: 68 ImpXPolygon* pImpXPolygon; 69 70 // ImpXPolygon-ReferenceCount pruefen und ggf. abkoppeln 71 void CheckReference(); 72 73 // Hilfsfunktionen fuer Bezierkonvertierung 74 void SubdivideBezier(sal_uInt16 nPos, sal_Bool bCalcFirst, double fT); 75 void GenBezArc(const Point& rCenter, long nRx, long nRy, 76 long nXHdl, long nYHdl, sal_uInt16 nStart, sal_uInt16 nEnd, 77 sal_uInt16 nQuad, sal_uInt16 nFirst); 78 sal_Bool CheckAngles(sal_uInt16& nStart, sal_uInt16 nEnd, sal_uInt16& nA1, sal_uInt16& nA2); 79 80 public: 81 XPolygon( sal_uInt16 nSize=16, sal_uInt16 nResize=16 ); 82 XPolygon( const XPolygon& rXPoly ); 83 XPolygon( const Polygon& rPoly ); 84 XPolygon( const Rectangle& rRect, long nRx = 0, long nRy = 0 ); 85 XPolygon( const Point& rCenter, long nRx, long nRy, 86 sal_uInt16 nStartAngle = 0, sal_uInt16 nEndAngle = 3600, 87 sal_Bool bClose = sal_True ); 88 89 ~XPolygon(); 90 91 void SetSize( sal_uInt16 nSize ); 92 sal_uInt16 GetSize() const; 93 94 void SetPointCount( sal_uInt16 nPoints ); 95 sal_uInt16 GetPointCount() const; 96 97 void Insert( sal_uInt16 nPos, const Point& rPt, XPolyFlags eFlags ); 98 void Insert( sal_uInt16 nPos, const XPolygon& rXPoly ); 99 void Insert( sal_uInt16 nPos, const Polygon& rPoly ); 100 void Remove( sal_uInt16 nPos, sal_uInt16 nCount ); 101 void Move( long nHorzMove, long nVertMove ); 102 Rectangle GetBoundRect() const; 103 104 const Point& operator[]( sal_uInt16 nPos ) const; 105 Point& operator[]( sal_uInt16 nPos ); 106 XPolygon& operator=( const XPolygon& rXPoly ); 107 sal_Bool operator==( const XPolygon& rXPoly ) const; 108 sal_Bool operator!=( const XPolygon& rXPoly ) const; 109 110 XPolyFlags GetFlags( sal_uInt16 nPos ) const; 111 void SetFlags( sal_uInt16 nPos, XPolyFlags eFlags ); 112 sal_Bool IsControl(sal_uInt16 nPos) const; 113 sal_Bool IsSmooth(sal_uInt16 nPos) const; 114 115 // Abstand zwischen zwei Punkten 116 double CalcDistance(sal_uInt16 nP1, sal_uInt16 nP2); 117 118 // Bezierkonvertierungen 119 void CalcSmoothJoin(sal_uInt16 nCenter, sal_uInt16 nDrag, sal_uInt16 nPnt); 120 void CalcTangent(sal_uInt16 nCenter, sal_uInt16 nPrev, sal_uInt16 nNext); 121 void PointsToBezier(sal_uInt16 nFirst); 122 123 // Transformationen 124 void Translate(const Point& rTrans); 125 void Rotate(const Point& rCenter, double fSin, double fCos); 126 void Rotate(const Point& rCenter, sal_uInt16 nAngle); 127 void Scale(double fSx, double fSy); 128 void SlantX(long nYRef, double fSin, double fCos); 129 void SlantY(long nXRef, double fSin, double fCos); 130 void Distort(const Rectangle& rRefRect, const XPolygon& rDistortedRect); 131 void Rotate20 (); 132 133 // #116512# convert to basegfx::B2DPolygon and return 134 basegfx::B2DPolygon getB2DPolygon() const; 135 136 // #116512# constructor to convert from basegfx::B2DPolygon 137 // #i76339# made explicit 138 explicit XPolygon(const basegfx::B2DPolygon& rPolygon); 139 }; 140 141 /************************************************************************* 142 |* 143 |* Klasse XPolyPolygon; wie PolyPolygon, nur statt aus Polygonen aus 144 |* XPolygonen bestehend 145 |* 146 \************************************************************************/ 147 148 class ImpXPolyPolygon; 149 150 class SVX_DLLPUBLIC XPolyPolygon 151 { 152 protected: 153 ImpXPolyPolygon* pImpXPolyPolygon; 154 155 // ImpXPolyPolygon-ReferenceCount pruefen und ggf. abkoppeln 156 void CheckReference(); 157 158 public: 159 XPolyPolygon( sal_uInt16 nInitSize = 16, sal_uInt16 nResize = 16 ); 160 XPolyPolygon( const XPolygon& rXPoly ); 161 XPolyPolygon( const XPolyPolygon& rXPolyPoly ); 162 XPolyPolygon( const PolyPolygon& rPolyPoly); 163 164 ~XPolyPolygon(); 165 166 void Insert( const XPolygon& rXPoly, 167 sal_uInt16 nPos = XPOLYPOLY_APPEND ); 168 void Insert( const XPolyPolygon& rXPoly, 169 sal_uInt16 nPos=XPOLYPOLY_APPEND ); 170 XPolygon Remove( sal_uInt16 nPos ); 171 XPolygon Replace( const XPolygon& rXPoly, sal_uInt16 nPos ); 172 const XPolygon& GetObject( sal_uInt16 nPos ) const; 173 174 void Clear(); 175 sal_uInt16 Count() const; 176 177 void Move( long nHorzMove, long nVertMove ); 178 Rectangle GetBoundRect() const; 179 operator [](sal_uInt16 nPos) const180 const XPolygon& operator[]( sal_uInt16 nPos ) const 181 { return GetObject( nPos ); } 182 XPolygon& operator[]( sal_uInt16 nPos ); 183 184 XPolyPolygon& operator=( const XPolyPolygon& rXPolyPoly ); 185 sal_Bool operator==( const XPolyPolygon& rXPolyPoly ) const; 186 sal_Bool operator!=( const XPolyPolygon& rXPolyPoly ) const; 187 188 // Transformationen 189 void Translate(const Point& rTrans); 190 void Rotate(const Point& rCenter, double fSin, double fCos); 191 void Rotate(const Point& rCenter, sal_uInt16 nAngle); 192 void Scale(double fSx, double fSy); 193 void SlantX(long nYRef, double fSin, double fCos); 194 void SlantY(long nXRef, double fSin, double fCos); 195 void Distort(const Rectangle& rRefRect, const XPolygon& rDistortedRect); 196 void Rotate20 (); 197 198 // #116512# convert to basegfx::B2DPolyPolygon and return 199 basegfx::B2DPolyPolygon getB2DPolyPolygon() const; 200 201 // #116512# constructor to convert from basegfx::B2DPolyPolygon 202 // #i76339# made explicit 203 explicit XPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPolygon); 204 }; 205 206 #endif // _XPOLY_HXX 207 208 // eof 209