mirror of
https://github.com/SoftFever/OrcaSlicer.git
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WIP: Moved sources int src/, separated most of the source code from Perl.
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
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bubnikv
parent
3ddaccb641
commit
0558b53493
1706 changed files with 7413 additions and 7638 deletions
365
src/poly2tri/common/shapes.cc
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365
src/poly2tri/common/shapes.cc
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/*
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* Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors
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* http://code.google.com/p/poly2tri/
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Poly2Tri nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "shapes.h"
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#include <iostream>
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namespace p2t {
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Triangle::Triangle(Point& a, Point& b, Point& c)
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{
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points_[0] = &a; points_[1] = &b; points_[2] = &c;
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neighbors_[0] = NULL; neighbors_[1] = NULL; neighbors_[2] = NULL;
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constrained_edge[0] = constrained_edge[1] = constrained_edge[2] = false;
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delaunay_edge[0] = delaunay_edge[1] = delaunay_edge[2] = false;
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interior_ = false;
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}
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// Update neighbor pointers
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void Triangle::MarkNeighbor(Point* p1, Point* p2, Triangle* t)
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{
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if ((p1 == points_[2] && p2 == points_[1]) || (p1 == points_[1] && p2 == points_[2]))
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neighbors_[0] = t;
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else if ((p1 == points_[0] && p2 == points_[2]) || (p1 == points_[2] && p2 == points_[0]))
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neighbors_[1] = t;
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else if ((p1 == points_[0] && p2 == points_[1]) || (p1 == points_[1] && p2 == points_[0]))
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neighbors_[2] = t;
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else
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assert(0);
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}
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// Exhaustive search to update neighbor pointers
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void Triangle::MarkNeighbor(Triangle& t)
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{
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if (t.Contains(points_[1], points_[2])) {
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neighbors_[0] = &t;
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t.MarkNeighbor(points_[1], points_[2], this);
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} else if (t.Contains(points_[0], points_[2])) {
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neighbors_[1] = &t;
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t.MarkNeighbor(points_[0], points_[2], this);
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} else if (t.Contains(points_[0], points_[1])) {
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neighbors_[2] = &t;
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t.MarkNeighbor(points_[0], points_[1], this);
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}
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}
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/**
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* Clears all references to all other triangles and points
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*/
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void Triangle::Clear()
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{
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Triangle *t;
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for( int i=0; i<3; i++ )
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{
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t = neighbors_[i];
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if( t != NULL )
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{
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t->ClearNeighbor( this );
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}
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}
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ClearNeighbors();
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points_[0]=points_[1]=points_[2] = NULL;
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}
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void Triangle::ClearNeighbor(const Triangle *triangle )
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{
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if( neighbors_[0] == triangle )
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{
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neighbors_[0] = NULL;
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}
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else if( neighbors_[1] == triangle )
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{
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neighbors_[1] = NULL;
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}
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else
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{
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neighbors_[2] = NULL;
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}
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}
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void Triangle::ClearNeighbors()
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{
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neighbors_[0] = NULL;
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neighbors_[1] = NULL;
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neighbors_[2] = NULL;
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}
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void Triangle::ClearDelunayEdges()
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{
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delaunay_edge[0] = delaunay_edge[1] = delaunay_edge[2] = false;
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}
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Point* Triangle::OppositePoint(Triangle& t, const Point& p)
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{
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Point *cw = t.PointCW(p);
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return PointCW(*cw);
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}
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// Legalized triangle by rotating clockwise around point(0)
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void Triangle::Legalize(Point& point)
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{
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points_[1] = points_[0];
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points_[0] = points_[2];
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points_[2] = &point;
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}
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// Legalize triagnle by rotating clockwise around oPoint
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void Triangle::Legalize(Point& opoint, Point& npoint)
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{
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if (&opoint == points_[0]) {
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points_[1] = points_[0];
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points_[0] = points_[2];
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points_[2] = &npoint;
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} else if (&opoint == points_[1]) {
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points_[2] = points_[1];
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points_[1] = points_[0];
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points_[0] = &npoint;
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} else if (&opoint == points_[2]) {
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points_[0] = points_[2];
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points_[2] = points_[1];
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points_[1] = &npoint;
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} else {
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assert(0);
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}
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}
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int Triangle::Index(const Point* p) const
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{
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if (p == points_[0]) {
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return 0;
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} else if (p == points_[1]) {
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return 1;
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} else if (p == points_[2]) {
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return 2;
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}
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assert(0);
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return -1;
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}
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int Triangle::EdgeIndex(const Point* p1, const Point* p2) const
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{
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if (points_[0] == p1) {
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if (points_[1] == p2) {
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return 2;
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} else if (points_[2] == p2) {
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return 1;
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}
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} else if (points_[1] == p1) {
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if (points_[2] == p2) {
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return 0;
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} else if (points_[0] == p2) {
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return 2;
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}
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} else if (points_[2] == p1) {
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if (points_[0] == p2) {
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return 1;
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} else if (points_[1] == p2) {
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return 0;
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}
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}
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return -1;
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}
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void Triangle::MarkConstrainedEdge(int index)
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{
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constrained_edge[index] = true;
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}
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void Triangle::MarkConstrainedEdge(Edge& edge)
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{
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MarkConstrainedEdge(edge.p, edge.q);
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}
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// Mark edge as constrained
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void Triangle::MarkConstrainedEdge(Point* p, Point* q)
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{
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if ((q == points_[0] && p == points_[1]) || (q == points_[1] && p == points_[0])) {
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constrained_edge[2] = true;
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} else if ((q == points_[0] && p == points_[2]) || (q == points_[2] && p == points_[0])) {
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constrained_edge[1] = true;
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} else if ((q == points_[1] && p == points_[2]) || (q == points_[2] && p == points_[1])) {
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constrained_edge[0] = true;
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}
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}
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// The point counter-clockwise to given point
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Point* Triangle::PointCW(const Point& point)
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{
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if (&point == points_[0]) {
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return points_[2];
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} else if (&point == points_[1]) {
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return points_[0];
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} else if (&point == points_[2]) {
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return points_[1];
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}
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assert(0);
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return NULL;
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}
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// The point counter-clockwise to given point
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Point* Triangle::PointCCW(const Point& point)
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{
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if (&point == points_[0]) {
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return points_[1];
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} else if (&point == points_[1]) {
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return points_[2];
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} else if (&point == points_[2]) {
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return points_[0];
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}
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assert(0);
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return NULL;
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}
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// The neighbor clockwise to given point
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Triangle* Triangle::NeighborCW(const Point& point)
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{
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if (&point == points_[0]) {
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return neighbors_[1];
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} else if (&point == points_[1]) {
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return neighbors_[2];
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}
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return neighbors_[0];
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}
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// The neighbor counter-clockwise to given point
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Triangle* Triangle::NeighborCCW(const Point& point)
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{
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if (&point == points_[0]) {
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return neighbors_[2];
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} else if (&point == points_[1]) {
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return neighbors_[0];
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}
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return neighbors_[1];
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}
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bool Triangle::GetConstrainedEdgeCCW(const Point& p) const
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{
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if (&p == points_[0]) {
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return constrained_edge[2];
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} else if (&p == points_[1]) {
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return constrained_edge[0];
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}
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return constrained_edge[1];
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}
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bool Triangle::GetConstrainedEdgeCW(const Point& p) const
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{
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if (&p == points_[0]) {
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return constrained_edge[1];
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} else if (&p == points_[1]) {
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return constrained_edge[2];
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}
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return constrained_edge[0];
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}
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void Triangle::SetConstrainedEdgeCCW(const Point& p, bool ce)
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{
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if (&p == points_[0]) {
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constrained_edge[2] = ce;
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} else if (&p == points_[1]) {
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constrained_edge[0] = ce;
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} else {
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constrained_edge[1] = ce;
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}
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}
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void Triangle::SetConstrainedEdgeCW(const Point& p, bool ce)
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{
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if (&p == points_[0]) {
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constrained_edge[1] = ce;
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} else if (&p == points_[1]) {
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constrained_edge[2] = ce;
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} else {
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constrained_edge[0] = ce;
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}
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}
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bool Triangle::GetDelunayEdgeCCW(const Point& p) const
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{
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if (&p == points_[0]) {
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return delaunay_edge[2];
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} else if (&p == points_[1]) {
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return delaunay_edge[0];
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}
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return delaunay_edge[1];
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}
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bool Triangle::GetDelunayEdgeCW(const Point& p) const
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{
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if (&p == points_[0]) {
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return delaunay_edge[1];
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} else if (&p == points_[1]) {
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return delaunay_edge[2];
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}
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return delaunay_edge[0];
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}
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void Triangle::SetDelunayEdgeCCW(const Point& p, bool e)
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{
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if (&p == points_[0]) {
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delaunay_edge[2] = e;
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} else if (&p == points_[1]) {
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delaunay_edge[0] = e;
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} else {
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delaunay_edge[1] = e;
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}
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}
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void Triangle::SetDelunayEdgeCW(const Point& p, bool e)
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{
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if (&p == points_[0]) {
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delaunay_edge[1] = e;
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} else if (&p == points_[1]) {
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delaunay_edge[2] = e;
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} else {
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delaunay_edge[0] = e;
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}
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}
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// The neighbor across to given point
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Triangle& Triangle::NeighborAcross(const Point& opoint)
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{
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if (&opoint == points_[0]) {
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return *neighbors_[0];
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} else if (&opoint == points_[1]) {
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return *neighbors_[1];
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}
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return *neighbors_[2];
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}
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void Triangle::DebugPrint()
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{
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using namespace std;
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cout << points_[0]->x << "," << points_[0]->y << " ";
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cout << points_[1]->x << "," << points_[1]->y << " ";
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cout << points_[2]->x << "," << points_[2]->y << endl;
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}
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}
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