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#ifndef lint
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static const char RCSid[] = "$Id$";
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#endif
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/*
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* Routines for primitive output
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*
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* 1/10/85
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*/
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#include "meta.h"
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FILE *pout = NULL; /* the primitive output stream */
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plseg(a0, xstart, ystart, xend, yend) /* plot line segment */
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int a0, xstart, ystart, xend, yend;
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{
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PRIMITIVE p;
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int reverse;
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if (xstart < xend) {
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p.xy[XMN] = xstart;
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p.xy[XMX] = xend;
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reverse = FALSE;
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} else {
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p.xy[XMN] = xend;
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p.xy[XMX] = xstart;
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reverse = TRUE;
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}
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if (ystart < yend) {
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p.xy[YMN] = ystart;
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p.xy[YMX] = yend;
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} else {
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p.xy[YMN] = yend;
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p.xy[YMX] = ystart;
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reverse = ystart > yend && !reverse;
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}
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p.com = PLSEG;
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p.arg0 = (reverse << 6) | a0;
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p.args = NULL;
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writep(&p, pout);
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}
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pprim(co, a0, xmin, ymin, xmax, ymax, s) /* print primitive */
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int co, a0, xmin, ymin, xmax, ymax;
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char *s;
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{
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PRIMITIVE p;
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p.com = co;
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p.arg0 = a0;
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p.xy[XMN] = xmin;
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p.xy[YMN] = ymin;
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p.xy[XMX] = xmax;
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p.xy[YMX] = ymax;
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p.args = s;
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writep(&p, pout);
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}
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pglob(co, a0, s) /* print global */
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int co, a0;
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char *s;
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{
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PRIMITIVE p;
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p.com = co;
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p.arg0 = a0;
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p.xy[XMN] = p.xy[YMN] = p.xy[XMX] = p.xy[YMX] = -1;
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p.args = s;
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writep(&p, pout);
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}
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