123 lines
4.9 KiB
Plaintext
123 lines
4.9 KiB
Plaintext
/*
|
|
** Command & Conquer Red Alert(tm)
|
|
** Copyright 2025 Electronic Arts Inc.
|
|
**
|
|
** This program is free software: you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation, either version 3 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** This program is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/***************************************************************************
|
|
** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
|
|
***************************************************************************
|
|
* *
|
|
* Project Name : Westwood Library *
|
|
* *
|
|
* File Name : LOADFONT.C *
|
|
* *
|
|
* Programmer : Joe L. Bostic *
|
|
* *
|
|
* Start Date : September 6, 1991 *
|
|
* *
|
|
* Last Update : June 27, 1994 [SKB] *
|
|
* *
|
|
*-------------------------------------------------------------------------*
|
|
* Functions: *
|
|
* Load_Font -- Loads a font from disk. *
|
|
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
|
|
#include <wwstd.h>
|
|
#include "font.h"
|
|
#include <file.h>
|
|
#include <wwmem.h>
|
|
|
|
#if(IBM)
|
|
#include <fcntl.h>
|
|
#include <io.h>
|
|
#endif
|
|
|
|
|
|
|
|
extern "C" {
|
|
int FontXSpacing = 0;
|
|
int FontYSpacing = 0;
|
|
void const *FontPtr = NULL;
|
|
}
|
|
BYTE FontWidth = 8;
|
|
BYTE FontHeight = 8;
|
|
|
|
// only font.c and set_font.c use the following
|
|
BYTE *FontWidthBlockPtr = NULL;
|
|
|
|
|
|
|
|
/***************************************************************************
|
|
* LOAD_FONT -- Loads a font from disk. *
|
|
* *
|
|
* This loads a font from disk. This function must be called as a *
|
|
* precursor to calling Set_Font(). You need only call this function *
|
|
* once per desired font at the beginning of your code, but AFTER *
|
|
* Prog_Init() is called. *
|
|
* *
|
|
* INPUT: name - Pointer to font name to use (eg. "topaz.font") *
|
|
* *
|
|
* fontsize - Size in points of the font loaded. *
|
|
* *
|
|
* OUTPUT: Pointer to font data or NULL if unable to load. *
|
|
* *
|
|
* WARNINGS: Some system memory is grabbed by this routine. *
|
|
* *
|
|
* HISTORY: *
|
|
* 4/10/91 BS : 2.0 compatibily *
|
|
* 6/09/91 JLB : IBM and Amiga compatability. *
|
|
* 11/27/1991 JLB : Uses file I/O routines for disk access. *
|
|
* 01/29/1992 DRD : Modified to use new font format. *
|
|
* 02/01/1992 DRD : Added font file verification. *
|
|
* 06/29/1994 SKB : modified for 32 bit library *
|
|
*=========================================================================*/
|
|
VOID *cdecl Load_Font(BYTE const *name)
|
|
{
|
|
BYTE valid;
|
|
WORD fh; // DOS file handle for font file.
|
|
UWORD size; // Size of the data in the file (-2);
|
|
BYTE *ptr = NULL; // Pointer to newly loaded font.
|
|
|
|
if (Find_File(name)) {
|
|
fh = Open_File(name, READ);
|
|
if (Read_File(fh, (BYTE *) &size, 2) != 2) return(NULL);
|
|
|
|
ptr = (BYTE *) Alloc(size, MEM_NORMAL);
|
|
*(WORD *)ptr = size;
|
|
Read_File(fh, ptr + 2, size - 2);
|
|
Close_File(fh);
|
|
} else {
|
|
return (NULL);
|
|
}
|
|
|
|
//
|
|
// verify that the file loaded is a valid font file.
|
|
//
|
|
|
|
valid = FALSE;
|
|
if (*(ptr + 2) == 0) { // no compression
|
|
if (*(ptr + 3) == 5) { // currently only 5 data blocks are used.
|
|
valid = TRUE;
|
|
}
|
|
}
|
|
|
|
if ( !valid ) {
|
|
return (NULL);
|
|
}
|
|
|
|
return(ptr);
|
|
}
|