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/*----------------------------------------------------------------------- 
; 
; XPOINT - header file 
; 
; 
; 
; ****** XLIB - Mode X graphics library                **************** 
; ******                                               **************** 
; ****** Written By Themie Gouthas                     **************** 
; 
; Macros written by Mathew Mackenzie 
; 
; egg@dstos3.dsto.gov.au 
; teg@bart.dsto.gov.au 
; 
;  Terminology & notes: 
;         VRAM ==   Video RAM 
;         SRAM ==   System RAM 
;         X coordinates are in pixels unless explicitly stated 
; 
;-----------------------------------------------------------------------*/ 
 
#ifndef _XBMTOOLS_H_ 
#define _XBMTOOLS_H_ 
 
#define BM_WIDTH_ERROR 1 
 
#define LBMHeight(lbitmap) lbitmap[1] 
#define LBMWidth(lbitmap) lbitmap[0] 
#define PBMHeight(pbitmap) pbitmap[1] 
#define PBMWidth(pbitmap) (pbitmap[0]<<2) 
#define PBMByteWidth(pbitmap) pbitmap[0] 
 
#define LBMPutPix(x,y,lbitmap,color)  \ 
	lbitmap[2 + (x) + (y) * LBMWidth(lbitmap)] = color 
 
#define LBMGetPix(x,y,lbitmap)  \ 
	(lbitmap[2 + (x) + (y) * LBMWidth(lbitmap)]) 
 
 
 
/* FUNCTIONS =========================================================== */ 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
 int x_pbm_to_bm(           /* Convert from planar bitmap to linear */ 
   char far * source_pbm, 
   char far * dest_bm); 
 
 int x_bm_to_pbm(           /* Convert from linear bitmap to planar */ 
   char far * source_pbm, 
   char far * dest_bm); 
 
#ifdef __cplusplus 
} 
#endif 
 
 
#endif