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- #include "lib9.h"
- #include "draw.h"
- static
- void
- doellipse(int cmd, Image *dst, Point *c, int xr, int yr, int thick, Image *src, Point *sp, int alpha, int phi, Drawop op)
- {
- uchar *a;
- _setdrawop(dst->display, op);
- a = bufimage(dst->display, 1+4+4+2*4+4+4+4+2*4+2*4);
- if(a == 0){
- _drawprint(2, "image ellipse: %r\n");
- return;
- }
- a[0] = cmd;
- BPLONG(a+1, dst->id);
- BPLONG(a+5, src->id);
- BPLONG(a+9, c->x);
- BPLONG(a+13, c->y);
- BPLONG(a+17, xr);
- BPLONG(a+21, yr);
- BPLONG(a+25, thick);
- BPLONG(a+29, sp->x);
- BPLONG(a+33, sp->y);
- BPLONG(a+37, alpha);
- BPLONG(a+41, phi);
- }
- void
- ellipse(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp)
- {
- doellipse('e', dst, &c, a, b, thick, src, &sp, 0, 0, SoverD);
- }
- void
- ellipseop(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, Drawop op)
- {
- doellipse('e', dst, &c, a, b, thick, src, &sp, 0, 0, op);
- }
- void
- fillellipse(Image *dst, Point c, int a, int b, Image *src, Point sp)
- {
- doellipse('E', dst, &c, a, b, 0, src, &sp, 0, 0, SoverD);
- }
- void
- fillellipseop(Image *dst, Point c, int a, int b, Image *src, Point sp, Drawop op)
- {
- doellipse('E', dst, &c, a, b, 0, src, &sp, 0, 0, op);
- }
- void
- arc(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, int alpha, int phi)
- {
- alpha |= 1<<31;
- doellipse('e', dst, &c, a, b, thick, src, &sp, alpha, phi, SoverD);
- }
- void
- arcop(Image *dst, Point c, int a, int b, int thick, Image *src, Point sp, int alpha, int phi, Drawop op)
- {
- alpha |= 1<<31;
- doellipse('e', dst, &c, a, b, thick, src, &sp, alpha, phi, op);
- }
- void
- fillarc(Image *dst, Point c, int a, int b, Image *src, Point sp, int alpha, int phi)
- {
- alpha |= 1<<31;
- doellipse('E', dst, &c, a, b, 0, src, &sp, alpha, phi, SoverD);
- }
- void
- fillarcop(Image *dst, Point c, int a, int b, Image *src, Point sp, int alpha, int phi, Drawop op)
- {
- alpha |= 1<<31;
- doellipse('E', dst, &c, a, b, 0, src, &sp, alpha, phi, op);
- }
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