Subversion Repositories planix.SVN

#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);
}