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#include <u.h>
#include <libc.h>
#include <thread.h>
#include <draw.h>
#include <memdraw.h>
#include <geometry.h>
#include "libobj/obj.h"
#include "graphics.h"
#include "internal.h"
int
min(int a, int b)
{
return a < b? a: b;
}
int
max(int a, int b)
{
return a > b? a: b;
}
double
fmin(double a, double b)
{
return a < b? a: b;
}
double
fmax(double a, double b)
{
return a > b? a: b;
}
void
swapi(int *a, int *b)
{
int t;
t = *a;
*a = *b;
*b = t;
}
void
swappt(Point *a, Point *b)
{
Point t;
t = *a;
*a = *b;
*b = t;
}
Point2
modulapt2(Point2 a, Point2 b)
{
return (Point2){a.x*b.x, a.y*b.y, a.w*b.w};
}
Point3
modulapt3(Point3 a, Point3 b)
{
return (Point3){a.x*b.x, a.y*b.y, a.z*b.z, a.w*b.w};
}
void
memsetd(void *dp, double v, usize len)
{
double *p, *ep;
for(p = dp, ep = p+len; p < ep; p++)
*p = v;
}
void
memsetl(void *dp, ulong v, usize len)
{
ulong *p, *ep;
for(p = dp, ep = p+len; p < ep; p++)
*p = v;
}
Memimage *
rgb(ulong c)
{
Memimage *i;
i = eallocmemimage(UR, RGBA32);
i->flags |= Frepl;
i->clipr = Rect(-1e6, -1e6, 1e6, 1e6);
memfillcolor(i, c);
return i;
}
Memimage *
dupmemimage(Memimage *i)
{
Memimage *ni;
if(i == nil)
return nil;
ni = allocmemimaged(i->r, i->chan, i->data);
if(ni == nil)
sysfatal("allocmemimaged: %r");
ni->data->ref++;
return ni;
}
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