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Initial commit of Command & Conquer Red Alert source code.

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LFeenanEA
2025-02-27 16:15:05 +00:00
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WIN32LIB/IFF/WRITEPCX.CPP Normal file
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/*
** 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 : iff *
* *
* File Name : WRITEPCX.CPP *
* *
* Programmer : Julio R. Jerez *
* *
* Start Date : May 2, 1995 *
* *
* Last Update : May 2, 1995 [JRJ] *
* *
*-------------------------------------------------------------------------*
* Functions: *
* int Save_PCX_File (char* name, GraphicViewPortClass& pic, char* palette)*
*= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =*/
#include <wwlib32.h>
#include "filepcx.h"
#include <wwmem.h>
static void Write_Pcx_ScanLine ( int file_handle , int scansize , char * ptr );
/***************************************************************************
* WRITE_PCX_FILE -- Write the data in ViewPort to a pcx file *
* *
* *
* *
* INPUT: name is a NULL terminated string of the fromat [xxxx.pcx] *
* pic is a pointer to a GraphicViewPortClass or to a *
* GraphicBufferClass holding the picture. *
* palette is a pointer the the memry block holding the color * *
* palette of the picture. *
* *
* OUTPUT: FALSE if the function fails zero otherwise *
* *
* WARNINGS: *
* *
* HISTORY: *
* 05/04/1995 JRJ : Created. *
* 08/01/1995 SKB : Copy the palette so it is not modified. *
*=========================================================================*/
int Write_PCX_File (char* name, GraphicViewPortClass& pic, unsigned char* palette )
{
unsigned char palcopy[256 * 3];
unsigned i ;
unsigned width ;
int file_handle ;
int VP_Scan_Line ;
char * ptr ;
RGB * pal ;
GraphicBufferClass * Graphic_Buffer ;
PCX_HEADER header = { 10 , 5 , 1 , 8 , 0 , 0 , 319 , 199 ,
320 , 200 , { 0 } , 0 , 1 , 320 , 1 , {0} } ;
// Open file name
file_handle = Open_File ( name , WRITE ) ;
if ( file_handle == ERROR ) return FALSE ;
header.width = pic.Get_Width() - 1 ;
header.height = pic.Get_Height() - 1 ;
header.byte_per_line = pic.Get_Width() ;
Write_File ( file_handle, & header , sizeof (PCX_HEADER)) ;
VP_Scan_Line = pic.Get_Width() + pic.Get_XAdd();
Graphic_Buffer = pic.Get_Graphic_Buffer() ;
ptr = ( char * ) Graphic_Buffer->Get_Buffer() ;
ptr += ( (pic.Get_YPos() * VP_Scan_Line) + pic.Get_XPos() );
for ( i = 0 ; i < header.height + 1 ; i ++ )
Write_Pcx_ScanLine ( file_handle , header.byte_per_line, ptr + i * VP_Scan_Line ) ;
Mem_Copy(palette, palcopy, 256 * 3);
pal = ( RGB * ) palcopy ;
for ( i = 0 ; i < 256 ; i ++ ) {
pal -> red <<= 2 ;
pal -> green <<= 2 ;
pal -> blue <<= 2 ;
pal ++ ;
}
i = 0x0c ;
Write_File ( file_handle, & i , 1 ) ;
Write_File ( file_handle, palcopy , 256 * sizeof (RGB) ) ;
Close_File (file_handle) ;
return 0 ;
}
/***************************************************************************
* WRITE_PCX_SCANLINE -- function to write a single pcx scanline to a file *
* *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 05/04/1995 JRJ : Created. *
*=========================================================================*/
#define POOL_SIZE 2048
#define WRITE_CHAR(x) { \
* file_ptr ++ = x ; \
if ( file_ptr >= & pool [ POOL_SIZE ] ) { \
Write_File ( file_handle, pool , POOL_SIZE ) ; \
file_ptr = pool ; \
} }
void Write_Pcx_ScanLine ( int file_handle , int scansize , char * ptr )
{
unsigned i ;
unsigned rle ;
unsigned color ;
unsigned last ;
char * file_ptr ;
char pool [ POOL_SIZE ] ;
file_ptr = pool ;
last = * ptr ;
rle = 1 ;
for ( i = 1 ; i < scansize ; i ++ ) {
color = 0xff & * ++ ptr ;
if ( color == last ) {
rle ++ ;
if ( rle == 63 ) {
WRITE_CHAR ( 255 ) ;
WRITE_CHAR ( color ) ;
rle = 0 ;
}
} else {
if ( rle ) {
if ( rle == 1 && ( 192 != ( 192 & last ))) {
WRITE_CHAR ( last ) ;
} else {
WRITE_CHAR ( rle | 192 ) ;
WRITE_CHAR ( last ) ;
}
}
last = color ;
rle = 1 ;
}
}
if ( rle ) {
if ( rle == 1 && ( 192 != ( 192 & last ))) {
WRITE_CHAR ( last ) ;
} else {
WRITE_CHAR ( rle | 192 ) ;
WRITE_CHAR ( last) ;
}
}
Write_File ( file_handle, pool , ( int ) file_ptr - ( int ) pool ) ;
}