sampleMonoPoly.h

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/*
*/
 
#ifndef _SAMPLEMONOPOLY_H
#define _SAMPLEMONOPOLY_H
 
#include "monoTriangulation.h"
//#include "gridWrap.h"
#include "rectBlock.h"
 
 
void  triangulateXYMono(Int n_upper, Real upperVerts[][2],
               Int n_lower, Real lowerVerts[][2],
               primStream* pStream);
 
void stripOfFanLeft(vertexArray* leftChain, 
             Int largeIndex,
             Int smallIndex,
             gridWrap* grid,
             Int vlineIndex,
             Int ulineSmallIndex,
             Int ulineLargeIndex,
             primStream* pStream,
            Int gridLineUp
             );
void sampleLeftOneGridStep(vertexArray* leftChain,
          Int beginLeftIndex,
          Int endLeftIndex,
          gridBoundaryChain* leftGridChain,
          Int leftGridChainStartIndex,
          primStream* pStream
          );
 
void sampleLeftSingleTrimEdgeRegion(Real upperVert[2], Real lowerVert[2],
                    gridBoundaryChain* gridChain,
                    Int beginIndex,
                    Int endIndex,
                    primStream* pStream);
 
void sampleLeftStripRec(vertexArray* leftChain,
             Int topLeftIndex,
             Int botLeftIndex,
             gridBoundaryChain* leftGridChain,
             Int leftGridChainStartIndex,
             Int leftGridChainEndIndex,
            primStream* pStream
             );
 
void sampleLeftStrip(vertexArray* leftChain,
             Int topLeftIndex,
             Int botLeftIndex,
             gridBoundaryChain* leftGridChain,
             Int leftGridChainStartIndex,
             Int leftGridChainEndIndex,
             primStream* pStream
             );
 
void findLeftGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGridIndex, gridWrap* grid,  Int* ret_indices, Int* ret_inner);
 
void findRightGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGridIndex, gridWrap* grid,  Int* ret_indices, Int* ret_inner);
 
void sampleMonoPoly(directedLine* polygon, gridWrap* grid, Int ulinear, Int vlinear, primStream *pStream, rectBlockArray* rbArray);
 
void sampleMonoPolyRec(
               Real* topVertex,
               Real* botVertex,
               vertexArray* leftChain, 
               Int leftStartIndex,
               vertexArray* rightChain,
               Int rightStartIndex,
               gridBoundaryChain* leftGridChain, 
               gridBoundaryChain* rightGridChain, 
               Int gridStartIndex,
               primStream* pStream,
               rectBlockArray* rbArray
               );
 
void sampleLeftStripRecF(vertexArray* leftChain,
             Int topLeftIndex,
             Int botLeftIndex,
             gridBoundaryChain* leftGridChain,
             Int leftGridChainStartIndex,
             Int leftGridChainEndIndex,
            primStream* pStream
             );
 
void findUpCorners(Real *topVertex, 
           vertexArray *leftChain, 
           Int leftChainStartIndex, Int leftChainEndIndex,
           vertexArray *rightChain, 
           Int rightChainStartIndex, Int rightChainEndIndex,
           Real v,
           Real uleft,
           Real uright,
           Int& ret_leftCornerWhere, 
           Int& ret_leftCornerIndex,
           Int& ret_rightCornerWhere,
           Int& ret_rightCornerIndex
           );
void findDownCorners(Real *botVertex, 
           vertexArray *leftChain, Int leftChainStartIndex, Int leftChainEndIndex,
           vertexArray *rightChain, Int rightChainStartIndex, Int rightChainEndIndex,
           Real v,
           Real uleft,
           Real uright,
           Int& ret_leftCornerWhere,
           Int& ret_leftCornerIndex,
           Int& ret_rightCornerWhere,
           Int& ret_rightCornerIndex
           );
void findNeck(vertexArray *leftChain, Int botLeftIndex, 
          vertexArray *rightChain, Int botRightIndex, 
          Int& leftLastIndex, /*left point of the neck*/
          Int& rightLastIndex /*right point of the neck*/
          );
 
Int findNeckF(vertexArray *leftChain, Int botLeftIndex,
           vertexArray *rightChain, Int botRightIndex,
           gridBoundaryChain* leftGridChain,
           gridBoundaryChain* rightGridChain,
           Int gridStartIndex,
           Int& neckLeft, 
           Int& neckRight);
 
void findTopAndBot(directedLine* polygon, 
           directedLine*& topV, 
           directedLine*& botV);
void findGridChains(directedLine* top, directedLine* bot, 
            gridWrap* grid,
            gridBoundaryChain*& leftGridChain,
            gridBoundaryChain*& rightGridChain);
void toVertexArrays(directedLine* topV, directedLine* botV, vertexArray& leftChain, vertexArray& rightChain);
 
void drawCorners(
         Real* topV, Real* botV,         
         vertexArray* leftChain,
         vertexArray* rightChain,
         gridBoundaryChain* leftGridChain,
         gridBoundaryChain* rightGridChain,
         Int gridIndex1,
         Int gridIndex2,
         Int leftCornerWhere,
         Int leftCornerIndex,
         Int rightCornerWhere,
         Int rightCornerIndex,
         Int bot_leftCornerWhere,
         Int bot_leftCornerIndex,
         Int bot_rightCornerWhere,
         Int bot_rightCornerIndex);
 
Int checkMiddle(vertexArray* chain, Int begin, Int end, 
        Real vup, Real vbelow);
 
#endif