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rsc 2003-09-30 17:47:42 +00:00
parent ed7c8e8d02
commit 76193d7cb0
223 changed files with 32479 additions and 0 deletions
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82
src/libdraw/ellipse.c Normal file
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#include <u.h>
#include <libc.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){
fprint(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);
}