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XBMTOOLS.H
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1992-11-08
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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) (4*pbitmap[0])
#define LBMPutPix(x,y,lbitmap,color) \
(lbitmap[2 + (x) + (y) * (LBMHeight(lbitmap))] = color)
#define LBMGetPix(x,y,lbitmap) \
(lbitmap[2 + (x) + (y) * (LBMHeight(lbitmap))])
/* FUNCTIONS =========================================================== */
extern int x_pbm_to_bm( /* Convert from planar bitmap to linear */
char far * source_pbm,
char far * dest_bm);
extern int x_bm_to_pbm( /* Convert from linear bitmap to planar */
char far * source_pbm,
char far * dest_bm);
#endif