Example #1
0
void
paintrect(				/* paint picture rectangle */
	PNODE  *p,
	RECT  *r
)
{
	int  mx, my;

	if (p->xmax - p->xmin <= 0 || p->ymax - p->ymin <= 0)
		return;

	if (p->kid == NULL) {
		(*dev->paintr)(greyscale?greyof(p->v):p->v,
			p->xmin, p->ymin, p->xmax, p->ymax);	/* do this */
		return;
	}
	mx = (p->xmin + p->xmax) >> 1;				/* do kids */
	my = (p->ymin + p->ymax) >> 1;
	if (mx > r->l) {
		if (my > r->d)
			paintrect(p->kid+DL, r);
		if (my < r->u)
			paintrect(p->kid+UL, r);
	}
	if (mx < r->r) {
		if (my > r->d)
			paintrect(p->kid+DR, r);
		if (my < r->u)
			paintrect(p->kid+UR, r);
	}
}
Example #2
0
File: rv2.c Project: NREL/Radiance 
void
getrepaint(				/* get area and repaint */
	char  *s
)
{
	RECT  box;

	if (getrect(s, &box) < 0)
		return;
	paintrect(&ptrunk, &box);
}
Example #3
0
void
repaint(				/* repaint a region */
	int  xmin,
	int  ymin,
	int  xmax,
	int  ymax
)
{
	RECT  reg;

	reg.l = xmin; reg.r = xmax;
	reg.d = ymin; reg.u = ymax;

	paintrect(&ptrunk, &reg);
}