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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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static
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void
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doellipse(int cmd, Image *dst, Point *c, int xr, int yr, int thick, Image *src, Point *sp, int alpha, int phi, 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+4+2*4+4+4+4+2*4+2*4);
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if(a == 0){
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fprint(2, "image ellipse: %r\n");
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return;
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}
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a[0] = cmd;
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BPLONG(a+1, dst->id);
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BPLONG(a+5, src->id);
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BPLONG(a+9, c->x);
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BPLONG(a+13, c->y);
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BPLONG(a+17, xr);
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BPLONG(a+21, yr);
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BPLONG(a+25, thick);
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BPLONG(a+29, sp->x);
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BPLONG(a+33, sp->y);
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BPLONG(a+37, alpha);
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BPLONG(a+41, phi);
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}
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void
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ellipse(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp)
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{
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doellipse('e', dst, &c, a, b, thick, src, &sp, 0, 0, SoverD);
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}
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void
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ellipseop(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, Drawop op)
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{
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doellipse('e', dst, &c, a, b, thick, src, &sp, 0, 0, op);
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}
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void
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fillellipse(Image *dst, Point c, int a, int b, Image *src, Point sp)
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{
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doellipse('E', dst, &c, a, b, 0, src, &sp, 0, 0, SoverD);
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}
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void
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fillellipseop(Image *dst, Point c, int a, int b, Image *src, Point sp, Drawop op)
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{
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doellipse('E', dst, &c, a, b, 0, src, &sp, 0, 0, op);
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}
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void
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arc(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, int alpha, int phi)
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{
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alpha |= 1<<31;
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doellipse('e', dst, &c, a, b, thick, src, &sp, alpha, phi, SoverD);
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}
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void
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arcop(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, int alpha, int phi, Drawop op)
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{
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alpha |= 1<<31;
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doellipse('e', dst, &c, a, b, thick, src, &sp, alpha, phi, op);
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}
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void
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fillarc(Image *dst, Point c, int a, int b, Image *src, Point sp, int alpha, int phi)
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{
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alpha |= 1<<31;
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doellipse('E', dst, &c, a, b, 0, src, &sp, alpha, phi, SoverD);
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}
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void
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fillarcop(Image *dst, Point c, int a, int b, Image *src, Point sp, int alpha, int phi, Drawop op)
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{
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alpha |= 1<<31;
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doellipse('E', dst, &c, a, b, 0, src, &sp, alpha, phi, op);
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}
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