home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 22 gnu
/
22-gnu.zip
/
OLEO130S.ZIP
/
oleo130s.tar
/
oleo-1.3
/
ir.h
< prev
next >
Wrap
C/C++ Source or Header
|
1993-03-30
|
3KB
|
98 lines
/* Copyright (C) 1992, 1993 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this software; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef INTRECTANGLEH
#define INTRECTANGLEH
#include "proto.h"
/* t. lord Thu Feb 13 00:44:35 1992 */
#define xx_IRllx(R) ((R)->x)
#define xx_IRlly(R) ((R)->y)
#define xx_IRurx(R) ((R)->x + (R)->w - 1)
#define xx_IRury(R) ((R)->y + (R)->h - 1)
typedef struct xx_sIntRectangle * xx_IntRectangle;
struct xx_sIntRectangle
{
int x, y;
unsigned int w, h;
};
#define xx_IRinit(R,X,Y,W,H) (void)(((R)->x = (X)), ((R)->y = (Y)), \
((R)->w = (W)), ((R)->h = (H)))
/* extern int xx_IRintersects (xx_IntRectangle, xx_IntRectangle); */
#define xx_IRintersects(R1,R2) \
(xx_IRllx(R1) <= xx_IRurx(R2) &&\
xx_IRurx(R1) >= xx_IRllx(R2) &&\
xx_IRlly(R1) <= xx_IRury(R2) &&\
xx_IRury(R1) >= xx_IRlly(R2))
#ifdef PRETTY_PRINT_DECLS
#ifdef __STDC__
extern void xx_pp_intrectangle (xx_IntRectangle, FILE *);
#else
extern void xx_pp_intrectangle ();
#endif
#endif
#define xx_IRx(R) ((R)->x)
#define xx_IRy(R) ((R)->y)
#define xx_IRw(R) ((R)->w)
#define xx_IRh(R) ((R)->h)
#define xx_IRxl(R) xx_IRx(R)
#define xx_IRyl(R) xx_IRy(R)
#define xx_IRxh(R) (xx_IRx(R) + xx_IRw(R) - 1)
#define xx_IRyh(R) (xx_IRy(R) + xx_IRh(R) - 1)
#ifdef PRETTY_PRINT
void
xx_pp_intrectangle (r, stream)
xx_IntRectangle r;
FILE * stream;
{
fprintf (stream, "(xx_IntRectangle x %d, y %d, w %d, h %d)",
r->x, r->y, r->w, r->h);
}
#endif
#ifdef __STDC__
extern int xx_IRencloses (xx_IntRectangle r1, xx_IntRectangle r2);
extern int xx_IRencloses_width (xx_IntRectangle r1, xx_IntRectangle r2);
extern int xx_IRequiv (xx_IntRectangle r1, xx_IntRectangle r2);
extern void xx_IRbound (xx_IntRectangle r1, xx_IntRectangle r2);
extern int xx_IRarea (xx_IntRectangle r);
extern int xx_IRhits_point (xx_IntRectangle rect, int x, int y);
extern void xx_IRclip (xx_IntRectangle r1, xx_IntRectangle r2);
extern int xx_IRsubtract (xx_IntRectangle outv, xx_IntRectangle a, xx_IntRectangle b);
#else
extern int xx_IRencloses ();
extern int xx_IRencloses_width ();
extern int xx_IRequiv ();
extern void xx_IRbound ();
extern int xx_IRarea ();
extern int xx_IRhits_point ();
extern void xx_IRclip ();
extern int xx_IRsubtract ();
#endif
#endif