1*01aa44aaSAndrew Rist /************************************************************** 2*01aa44aaSAndrew Rist * 3*01aa44aaSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*01aa44aaSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*01aa44aaSAndrew Rist * distributed with this work for additional information 6*01aa44aaSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*01aa44aaSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*01aa44aaSAndrew Rist * "License"); you may not use this file except in compliance 9*01aa44aaSAndrew Rist * with the License. You may obtain a copy of the License at 10*01aa44aaSAndrew Rist * 11*01aa44aaSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*01aa44aaSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*01aa44aaSAndrew Rist * software distributed under the License is distributed on an 15*01aa44aaSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*01aa44aaSAndrew Rist * KIND, either express or implied. See the License for the 17*01aa44aaSAndrew Rist * specific language governing permissions and limitations 18*01aa44aaSAndrew Rist * under the License. 19*01aa44aaSAndrew Rist * 20*01aa44aaSAndrew Rist *************************************************************/ 21*01aa44aaSAndrew Rist 22*01aa44aaSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _SGVSPLN_HXX 25cdf0e10cSrcweir #define _SGVSPLN_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir /************************************************************************* 28cdf0e10cSrcweir |* 29cdf0e10cSrcweir |* CalcSpline() 30cdf0e10cSrcweir |* 31cdf0e10cSrcweir |* Beschreibung Berechnet die Koeffizienten eines parametrischen 32cdf0e10cSrcweir |* nat�rlichen oder periodischen kubischen 33cdf0e10cSrcweir |* Polynomsplines. Die Eckpunkte des �bergebenen 34cdf0e10cSrcweir |* Polygons werden als St�tzstellen angenommen. 35cdf0e10cSrcweir |* n liefert die Anzahl der Teilpolynome. 36cdf0e10cSrcweir |* Ist die Berechnung fehlerfrei verlaufen, so 37cdf0e10cSrcweir |* liefert die Funktion sal_True. Nur in diesem Fall 38cdf0e10cSrcweir |* ist Speicher f�r die Koeffizientenarrays 39cdf0e10cSrcweir |* allokiert, der dann sp�ter vom Aufrufer mittels 40cdf0e10cSrcweir |* delete freizugeben ist. 41cdf0e10cSrcweir |* Ersterstellung JOE 17-08.93 42cdf0e10cSrcweir |* Letzte Aenderung JOE 17-08.93 43cdf0e10cSrcweir |* 44cdf0e10cSrcweir *************************************************************************/ 45cdf0e10cSrcweir 46cdf0e10cSrcweir sal_Bool CalcSpline(Polygon& rPoly, sal_Bool Periodic, sal_uInt16& n, 47cdf0e10cSrcweir double*& ax, double*& ay, double*& bx, double*& by, 48cdf0e10cSrcweir double*& cx, double*& cy, double*& dx, double*& dy, double*& T); 49cdf0e10cSrcweir 50cdf0e10cSrcweir /************************************************************************* 51cdf0e10cSrcweir |* 52cdf0e10cSrcweir |* Poly2Spline() 53cdf0e10cSrcweir |* 54cdf0e10cSrcweir |* Beschreibung Konvertiert einen parametrichen kubischen 55cdf0e10cSrcweir |* Polynomspline Spline (nat�rlich oder periodisch) 56cdf0e10cSrcweir |* in ein angen�hertes Polygon. 57cdf0e10cSrcweir |* Die Funktion liefert sal_False, wenn ein Fehler bei 58cdf0e10cSrcweir |* der Koeffizientenberechnung aufgetreten ist oder 59cdf0e10cSrcweir |* das Polygon zu gro?wird (>PolyMax=16380). Im 1. 60cdf0e10cSrcweir |* Fall hat das Polygon 0, im 2. Fall PolyMax Punkte. 61cdf0e10cSrcweir |* Um Koordinaten�berl�ufe zu vermeiden werden diese 62cdf0e10cSrcweir |* auf +/-32000 begrenzt. 63cdf0e10cSrcweir |* Ersterstellung JOE 23.06.93 64cdf0e10cSrcweir |* Letzte Aenderung JOE 23.06.93 65cdf0e10cSrcweir |* 66cdf0e10cSrcweir *************************************************************************/ 67cdf0e10cSrcweir sal_Bool Spline2Poly(Polygon& rSpln, sal_Bool Periodic, Polygon& rPoly); 68cdf0e10cSrcweir 69cdf0e10cSrcweir #endif //_SGVSPLN_HXX 70