/* Copyright (c) 1992 AT&T - All rights reserved. */
#include <libc.h>
#include <libg.h>
#include "libgint.h"

Bitmap*
balloc(Rectangle r, int ldepth)
{
	Bitmap *b;

	b = _balloc(r, ldepth);
	bitblt(b, r.min, b, r, Zero);
	return b;
}

Bitmap*
_balloc(Rectangle r, int ldepth)
{
	int id;
	Bitmap *b;
	int ld;
	Rectangle rx;

	b = (Bitmap *)malloc(sizeof(Bitmap));
	if(b == 0)
		berror("balloc malloc");
	if (ldepth == 0)
		ld = 0;
	else
		ld = screen.ldepth;
	rx = r;
	if (Dx(rx) == 0)
		rx.max.x++;
	if (Dy(rx) == 0)
		rx.max.y++;
	id = (int) XCreatePixmap(_dpy, (Drawable)screen.id,
			Dx(rx), Dy(rx), _ld2d[ld]);
	b->ldepth = ldepth;
	b->r = r;
	b->clipr = r;
	b->id = id;
	b->cache = 0;
	if(ldepth == 0)
		b->flag = DP1|BL1;
	else
		b->flag = screen.flag&BL1;
	if(r.min.x==0 && r.min.y ==0)
		b->flag |= ZORG;
	else
		b->flag |= SHIFT;
	return b;
}

void
bfree(Bitmap *b)
{
	XFreePixmap(_dpy, (Pixmap)b->id);
	free(b);
}