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52 lines
1.7 KiB
52 lines
1.7 KiB
/**************************************************************************
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* *
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* Copyright (C) 1992, Silicon Graphics, Inc. *
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* *
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* These coded instructions, statements, and computer programs contain *
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* unpublished proprietary information of Silicon Graphics, Inc., and *
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* are protected by Federal copyright law. They may not be disclosed *
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* to third parties or copied or duplicated in any form, in whole or *
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* in part, without the prior written consent of Silicon Graphics, Inc. *
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* *
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**************************************************************************/
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/*
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* reader.c++ - $Revision: 1.1 $
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* Derrick Burns - 1991
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*/
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#include "glimport.h"
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#include "nurbscon.h"
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#include "reader.h"
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#include "trimvert.h"
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O_pwlcurve::O_pwlcurve( long _type, long count, INREAL *array, long byte_stride, TrimVertex *trimpts )
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{
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next = 0;
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used = 0;
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owner = 0;
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pts = trimpts;
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npts = (int) count;
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/* copy user data into internal trimming data structures */
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switch( _type ) {
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case N_P2D: {
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TrimVertex *v = pts;
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for( TrimVertex *lastv = v + count; v != lastv; v++ ) {
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v->param[0] = (REAL) array[0];
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v->param[1] = (REAL) array[1];
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array = (INREAL *) (((char *) array) + byte_stride);
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}
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break;
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}
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case N_P2DR: {
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TrimVertex *v = pts;
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for( TrimVertex *lastv = v + count; v != lastv; v++ ) {
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v->param[0] = (REAL) array[0] / (REAL) array[2];
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v->param[1] = (REAL) array[1] / (REAL) array[2];
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array = (INREAL *) (((char *) array) + byte_stride);
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}
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break;
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}
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}
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}
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