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36 lines
731 B
C
36 lines
731 B
C
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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void
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line(Image *dst, Point p0, Point p1, int end0, int end1, int radius, Image *src, Point sp)
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{
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lineop(dst, p0, p1, end0, end1, radius, src, sp, SoverD);
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}
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void
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lineop(Image *dst, Point p0, Point p1, int end0, int end1, int radius, Image *src, Point sp, Drawop op)
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{
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uchar *a;
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_setdrawop(dst->display, op);
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a = bufimage(dst->display, 1+4+2*4+2*4+4+4+4+4+2*4);
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if(a == 0){
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fprint(2, "image line: %r\n");
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return;
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}
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a[0] = 'L';
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BPLONG(a+1, dst->id);
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BPLONG(a+5, p0.x);
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BPLONG(a+9, p0.y);
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BPLONG(a+13, p1.x);
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BPLONG(a+17, p1.y);
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BPLONG(a+21, end0);
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BPLONG(a+25, end1);
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BPLONG(a+29, radius);
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BPLONG(a+33, src->id);
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BPLONG(a+37, sp.x);
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BPLONG(a+41, sp.y);
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}
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