--- /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.
+**
+*/
+/*
+*/
+
+//#include <stdlib.h>
+//#include <stdio.h>
+//#include "glimports.h"
+//#include "myassert.h"
+//#include "nurbsconsts.h"
+//#include "trimvertex.h"
+#include "dataTransform.h"
+
+extern directedLine* arcLoopToDLineLoop(Arc_ptr loop);
+
+#if 0 // UNUSED
+static directedLine* copy_loop(Arc_ptr loop, Real2* vertArray, int& index, directedLine dline_buf[], sampledLine sline_buf[], int& index_dline)
+{
+ directedLine *ret;
+ int old_index = index;
+ int i = index;
+ int j;
+ for(j=0; j<loop->pwlArc->npts-1; j++, i++)
+ {
+ vertArray[i][0] = loop->pwlArc->pts[j].param[0];
+ vertArray[i][1] = loop->pwlArc->pts[j].param[1];
+ }
+ loop->clearmark();
+
+ for(Arc_ptr jarc = loop->next; jarc != loop; jarc=jarc->next)
+ {
+ for(j=0; j<jarc->pwlArc->npts-1; j++, i++)
+ {
+ vertArray[i][0] = jarc->pwlArc->pts[j].param[0];
+ vertArray[i][1] = jarc->pwlArc->pts[j].param[1];
+ }
+ jarc->clearmark();
+ }
+ //copy the first vertex again
+ vertArray[i][0] = loop->pwlArc->pts[0].param[0];
+ vertArray[i][1] = loop->pwlArc->pts[0].param[1];
+ i++;
+ index=i;
+
+ directedLine* dline;
+ sampledLine* sline;
+ sline = &sline_buf[index_dline];
+ dline = &dline_buf[index_dline];
+ sline->init(2, &vertArray[old_index]);
+ dline->init(INCREASING, sline);
+ ret = dline;
+ index_dline++;
+
+ for(i=old_index+1; i<= index-2; i++)
+ {
+ sline = &sline_buf[index_dline];
+ dline = &dline_buf[index_dline];
+ sline->init(2, &vertArray[i]);
+ dline->init(INCREASING, sline);
+ ret->insert(dline);
+ index_dline++;
+ }
+ return ret;
+}
+#endif
+
+#if 0 // UNUSED
+static int num_edges(Bin& bin)
+{
+ int sum=0;
+ for(Arc_ptr jarc = bin.firstarc(); jarc; jarc=bin.nextarc())
+ sum += jarc->pwlArc->npts-1;
+ return sum;
+}
+#endif
+
+/*
+directedLine* bin_to_DLineLoops(Bin& bin)
+{
+ directedLine *ret=NULL;
+ directedLine *temp;
+
+ int numedges = num_edges(bin);
+ directedLine* dline_buf = new directedLine[numedges]; //not work for N32?
+ sampledLine* sline_buf=new sampledLine[numedges];
+
+ Real2* vertArray = new Real2[numedges*2];
+ int index = 0;
+ int index_dline = 0;
+ bin.markall();
+
+ for(Arc_ptr jarc = bin.firstarc(); jarc; jarc=bin.nextarc())
+ {
+ if(jarc->ismarked())
+ {
+ assert(jarc->check() != 0);
+ Arc_ptr jarchead = jarc;
+ do {
+ jarc->clearmark();
+ jarc = jarc->next;
+ } while(jarc != jarchead);
+ temp=copy_loop(jarchead, vertArray, index, dline_buf, sline_buf, index_dline);
+ ret = temp->insertPolygon(ret);
+ }
+ }
+
+ return ret;
+}
+*/
+
+
+directedLine* bin_to_DLineLoops(Bin& bin)
+{
+ directedLine *ret=NULL;
+ directedLine *temp;
+ bin.markall();
+ for(Arc_ptr jarc=bin.firstarc(); jarc; jarc=bin.nextarc()){
+ if(jarc->ismarked()) {
+ assert(jarc->check() != 0);
+ Arc_ptr jarchead = jarc;
+ do {
+ jarc->clearmark();
+ jarc = jarc->next;
+ } while(jarc != jarchead);
+ temp = arcLoopToDLineLoop(jarc);
+ ret = temp->insertPolygon(ret);
+ }
+ }
+ return ret;
+}
+
+directedLine* o_pwlcurve_to_DLines(directedLine* original, O_pwlcurve* pwl)
+{
+ directedLine* ret = original;
+ for(Int i=0; i<pwl->npts-1; i++)
+ {
+ sampledLine* sline = new sampledLine(2);
+ sline->setPoint(0, pwl->pts[i].param);
+ sline->setPoint(1, pwl->pts[i+1].param);
+ directedLine* dline = new directedLine(INCREASING, sline);
+ if(ret == NULL)
+ ret = dline;
+ else
+ ret->insert(dline);
+ }
+ return ret;
+}
+
+directedLine* o_curve_to_DLineLoop(O_curve* cur)
+{
+ directedLine *ret;
+ if(cur == NULL)
+ return NULL;
+ assert(cur->curvetype == ct_pwlcurve);
+ ret = o_pwlcurve_to_DLines(NULL, cur->curve.o_pwlcurve);
+ for(O_curve* temp = cur->next; temp != NULL; temp = temp->next)
+ {
+ assert(temp->curvetype == ct_pwlcurve);
+ ret = o_pwlcurve_to_DLines(ret, temp->curve.o_pwlcurve);
+ }
+ return ret;
+}
+
+directedLine* o_trim_to_DLineLoops(O_trim* trim)
+{
+ O_trim* temp;
+ directedLine *ret;
+ if(trim == NULL)
+ return NULL;
+ ret = o_curve_to_DLineLoop(trim->o_curve);
+
+ for(temp=trim->next; temp != NULL; temp = temp->next)
+ {
+ ret = ret->insertPolygon(o_curve_to_DLineLoop(temp->o_curve));
+ }
+ return ret;
+}
projects / reactos.git / blobdiff