+++ /dev/null
-/*
-** 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.
-**
-** $Date$ $Revision: 1.1 $
-*/
-/*
-** $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/nurbtess/sampledLine.cc,v 1.1 2004/02/02 16:39:15 navaraf Exp $
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h> //for fabs()
-#include "glimports.h"
-#include "zlassert.h"
-#include "sampledLine.h"
-
-void sampledLine::setPoint(Int i, Real p[2])
-{
- points[i][0]=p[0];
- points[i][1]=p[1];
-}
-
-
-/*insert this single line in front of the oldList*/
-sampledLine* sampledLine::insert(sampledLine *oldList)
-{
- next = oldList;
- return this;
-}
-
-void sampledLine::deleteList()
-{
- sampledLine *temp, *tempNext;
- for(temp = this; temp != NULL; temp = tempNext)
- {
- tempNext = temp->next;
- delete temp;
- }
-}
-
-
-/*space of points[][2] is allocated*/
-sampledLine::sampledLine(Int n_points)
-{
- npoints = n_points;
- points = (Real2*) malloc(sizeof(Real2) * n_points);
- assert(points);
- next = NULL;
-}
-
-/*space of points[][2] is allocated and
- *points are copied
- */
-sampledLine::sampledLine(Int n_points, Real2 pts[])
-{
- int i;
- npoints = n_points;
- points = (Real2*) malloc(sizeof(Real2) * n_points);
- assert(points);
- for(i=0; i<npoints; i++) {
- points[i][0] = pts[i][0];
- points[i][1] = pts[i][1];
- }
- next = NULL;
-}
-
-sampledLine::sampledLine(Real pt1[2], Real pt2[2])
-{
- npoints = 2;
- points = (Real2*) malloc(sizeof(Real2) * 2);
- assert(points);
- points[0][0] = pt1[0];
- points[0][1] = pt1[1];
- points[1][0] = pt2[0];
- points[1][1] = pt2[1];
- next = NULL;
-}
-
-//needs tp call init to setup
-sampledLine::sampledLine()
-{
-}
-
-//warning: ONLY pointer is copies!!!
-void sampledLine::init(Int n_points, Real2 *pts)
-{
- npoints = n_points;
- points = pts;
-}
-
-/*points[] is dealocated
- */
-sampledLine::~sampledLine()
-{
- free(points);
-}
-
-void sampledLine::print()
-{
- int i;
- printf("npoints=%i\n", npoints);
-
- for(i=0; i<npoints; i++){
- printf("(%f,%f)\n", points[i][0], points[i][1]);
- }
-
-}
-
-void sampledLine::tessellate(Real u_reso, Real v_reso)
-{
- int i;
-
- Int nu, nv, n;
- nu = 1+(Int) (fabs((points[npoints-1][0] - points[0][0])) * u_reso);
- nv = 1+(Int) (fabs((points[npoints-1][1] - points[0][1])) * v_reso);
-
- if(nu > nv) n = nu;
- else
- n = nv;
- if(n<1)
- n = 1;
- //du dv could be negative
- Real du = (points[npoints-1][0] - points[0][0])/n;
- Real dv = (points[npoints-1][1] - points[0][1])/n;
- Real2 *temp = (Real2*) malloc(sizeof(Real2) * (n+1));
- assert(temp);
-
- Real u,v;
- for(i=0, u=points[0][0], v=points[0][1]; i<n; i++, u+=du, v+=dv)
- {
- temp[i][0] = u;
- temp[i][1] = v;
- }
- temp[n][0] = points[npoints-1][0];
- temp[n][1] = points[npoints-1][1];
-
- free(points);
-
- npoints = n+1;
- points = temp;
-
-}
-
-void sampledLine::tessellateAll(Real u_reso, Real v_reso)
-{
- sampledLine* temp;
- for(temp = this; temp != NULL; temp = temp->next)
- {
- temp->tessellate(u_reso, v_reso);
- }
-}
projects / reactos.git / blobdiff