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first usable version of kernel and commands

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After an year of hard work, this is a first "usable" version of Jehanne.
This commit is contained in:
Giacomo Tesio
2016-11-25 16:18:40 +00:00
parent 391252a059
commit 38aca7a581
3989 changed files with 406697 additions and 1909 deletions
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91
sys/src/lib/draw/ellipse.c Normal file
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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#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)
{
uint8_t *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);
}