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

/*-----------------------------------------------------------------------
;
; XPAL - header file
;
;
;
; ****** XLIB - Mode X graphics library ****************
; ****** ****************
; ****** Written By Themie Gouthas ****************
;
; [email protected]
; [email protected]
;
; Terminology & notes:
; VRAM == Video RAM
; SRAM == System RAM
; X coordinates are in pixels unless explicitly stated
;
;----------------------------------------------------------------------*/

#ifndef _XPAL_H_
#define _XPAL_H_

#define PAL_ROTATE_DOWN 0
#define PAL_ROTATE_UP 1

/* FUNCTIONS =========================================================== */

#ifdef __cplusplus
extern "C" {
#endif


void x_get_pal_raw( /* Read DAC palette into raw buffer */
BYTE far * pal,
WORD num_colrs,
WORD start_index);

void x_get_pal_struc( /* Read DAC palette into annotated buffer */
BYTE far * pal,
WORD num_colrs,
WORD start_index);

void x_put_pal_raw( /* Write DAC palette from raw buffer */
BYTE far * pal,
WORD num_colrs,
WORD start_index);

void x_put_pal_struc( /* Write DAC palette from annotated buffer*/
BYTE far * pal);

x_set_rgb( /* Set the RGB components of a color index*/
BYTE color,
BYTE red_c,
BYTE green_c,
BYTE blue_c);

x_rot_pal_raw( /* Rotate a raw palette buffer */
BYTE far * pal,
WORD direction,
WORD num_colrs);

void x_rot_pal_struc( /* Rotate an anottated palette buffer */
BYTE far * pal,
WORD direction);

WORD x_cpcontrast_pal_struc( /* Copy and contrast adjust annotated */
BYTE far *src_pal, /* palette buffer */
BYTE far *dest_pal,
BYTE Intensity);

void x_transpose_pal_struc( /* Write DAC palette from annotated type*/
BYTE far * pal, /* buffer with a new offset */
WORD StartColor);

void x_put_contrast_pal_struc( /* Write DAC palette from annotated */
BYTE far * pal, /* type buffer with specified intensity */
BYTE intensity);

#ifdef __cplusplus
}
#endif


#endif