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vgatext.h
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C/C++ Source or Header
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1994-08-06
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4KB
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107 lines
/* VGATEXT.H
*
* VGA text output routines for MIDAS Module Player
*
* Copyright 1994 Petteri Kangaslampi and Jarno Paananen
*
* This file is part of the MIDAS Sound System, and may only be
* used, modified and distributed under the terms of the MIDAS
* Sound System license, LICENSE.TXT. By continuing to use,
* modify or distribute this file you indicate that you have
* read the license and understand and accept it fully.
*/
#ifndef __VGATEXT_H
#define __VGATEXT_H
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************************\
*
* Function: void vgaWriteText(int x, int y, char *txt);
*
* Description: Writes text on the screen
*
* Input: int x X coordinate of string (up-left
* corner is (1,1))
* int y Y coordinate
* char *txt pointer to null-terminated text
* string, which may contain also the
* following special characters:
* \xFF - next char is attribute
* \x7F - next char is RLE count for
* the character following it
*
\****************************************************************************/
void CALLING vgaWriteText(int x, int y, char *txt);
/****************************************************************************\
*
* Function: void vgaWriteStr(int x, int y, char *str, char attr);
*
* Description: Writes a string on the screen
*
* Input: int x X coordinate of the string
* int y Y coordinate
* char *str pointer to a ASCIIZ string
* char attr attribute for the string
* int txtlen number of characters to be printed on
* screen - padded with spaces
*
\****************************************************************************/
void CALLING vgaWriteStr(int x, int y, char *str, char attr, int txtlen);
/****************************************************************************\
*
* Function: void vgaWriteByte(int x, int y, uchar byte, char attr);
*
* Description: Writes a hex byte on the screen
*
* Input: int x X coordinate
* int y Y coordinate
* uchar byte byte to be written
* char attr attribute for the byte
*
\****************************************************************************/
void CALLING vgaWriteByte(int x, int y, uchar byte, char attr);
/****************************************************************************\
*
* Function: void vgaDrawMeter(int x, int y, int val, int max, char mchr,
* char hlattr, char nattr);
*
* Description: Draws a meter on the screen
*
* Input: int x X coordinate
* int y Y coordinate
* int val meter value
* int max meter max. value (length)
* char mchr character used for meter
* char hlattr attribute for highlighted characters
* char nattr attribute for normal characters
*
\****************************************************************************/
void CALLING vgaDrawMeter(int x, int y, int val, int max, char mchr,
char hlattr, char nattr);
#ifdef __cplusplus
}
#endif
#endif