Category : C Source Code
Archive   : XLIB06.ZIP
Filename : XBMTOOLS.H

/*-----------------------------------------------------------------------
;
; XPOINT - header file
;
;
;
; ****** XLIB - Mode X graphics library ****************
; ****** ****************
; ****** Written By Themie Gouthas ****************
;
; Macros written by Mathew Mackenzie
;
; [email protected]
; [email protected]
;
; 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