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greg |
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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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} |