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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h')
| -rw-r--r-- | nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h b/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h deleted file mode 100644 index 4e58e44d2..000000000 --- a/nx-X11/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h +++ /dev/null @@ -1,110 +0,0 @@ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 1.1 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -** $Date: 2004/03/14 08:29:11 $ $Revision: 1.1.1.4 $ -*/ -/* -** $Header: /cvs/xorg/xc/extras/ogl-sample/main/gfx/lib/glu/libnurbs/nurbtess/monoChain.h,v 1.1.1.4 2004/03/14 08:29:11 eich Exp $ -*/ - -#ifndef _MONO_CHAIN_H -#define _MONO_CHAIN_H - -#include "directedLine.h" -#include "partitionY.h" - -class monoChain; - -class monoChain{ - directedLine* chainHead; - directedLine* chainTail; - monoChain* next; - monoChain* prev; - monoChain* nextPolygon; //a list of polygons - - //cached informatin - //bounding box - Real minX, maxX, minY, maxY; - Int isIncrease; - - //for efficiently comparing two chains - - directedLine* current; - -public: - monoChain(directedLine* cHead, directedLine* cTail); - ~monoChain() {} - - inline void setNext(monoChain* n) {next = n;} - inline void setPrev(monoChain* p) {prev = p;} - inline void setNextPolygon(monoChain* np) {nextPolygon = np;} - inline monoChain* getNext() {return next;} - inline monoChain* getPrev() {return prev;} - inline directedLine* getHead() {return chainHead;} - inline directedLine* getTail() {return chainTail;} - - inline void resetCurrent() { current = ((isIncrease==1)? chainHead:chainTail);} - - void deleteLoop(); - void deleteLoopList(); - - //insert a new chain between prev and this - void insert(monoChain* nc); - - Int numChainsSingleLoop(); - Int numChainsAllLoops(); - monoChain** toArrayAllLoops(Int& num_chains); - Int toArraySingleLoop(monoChain** array, Int index); - - Int isKey; - Real keyY; //the current horizotal line - Real chainIntersectHoriz(Real y); //updates current incrementally for efficiency - directedLine* find(Real y);//find dline so that y intersects dline. - - void printOneChain(); - void printChainLoop(); - void printAllLoops(); - -}; - -monoChain* directedLineLoopToMonoChainLoop(directedLine* loop); -monoChain* directedLineLoopListToMonoChainLoopList(directedLine* list); -Int MC_sweepY(Int nVertices, monoChain** sortedVertices, sweepRange** ret_ranges); - -void MC_findDiagonals(Int total_num_edges, monoChain** sortedVertices, - sweepRange** ranges, Int& num_diagonals, - directedLine** diagonal_vertices); - -directedLine* MC_partitionY(directedLine *polygons, sampledLine **retSampledLines); - -#endif |