mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
synced 2024-04-29 01:42:27 +12:00
03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
178 lines
7.3 KiB
C++
178 lines
7.3 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***************************************************************************
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** 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 **
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***************************************************************************
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* *
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* Project Name : iff *
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* *
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* File Name : WRITEPCX.CPP *
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* *
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* Programmer : Julio R. Jerez *
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* *
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* Start Date : May 2, 1995 *
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* *
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* Last Update : May 2, 1995 [JRJ] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* int Save_PCX_File (char* name, GraphicViewPortClass& pic, char* palette)*
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*= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =*/
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#include <wwlib32.h>
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#include "filepcx.h"
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#include <wwmem.h>
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static void Write_Pcx_ScanLine ( int file_handle , int scansize , unsigned char * ptr );
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/***************************************************************************
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* WRITE_PCX_FILE -- Write the data in ViewPort to a pcx file *
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* *
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* *
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* *
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* INPUT: name is a NULL terminated string of the fromat [xxxx.pcx] *
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* pic is a pointer to a GraphicViewPortClass or to a *
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* GraphicBufferClass holding the picture. *
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* palette is a pointer the the memry block holding the color * *
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* palette of the picture. *
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* *
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* OUTPUT: FALSE if the function fails zero otherwise *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 05/04/1995 JRJ : Created. *
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* 08/01/1995 SKB : Copy the palette so it is not modified. *
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*=========================================================================*/
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int Write_PCX_File (char* name, GraphicViewPortClass& pic, unsigned char* palette )
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{
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unsigned char palcopy[256 * 3];
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unsigned i ;
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//unsigned width ;
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int file_handle ;
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int VP_Scan_Line ;
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char * ptr ;
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RGB * pal ;
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GraphicBufferClass * Graphic_Buffer ;
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PCX_HEADER header = { 10 , 5 , 1 , 8 , 0 , 0 , 319 , 199 ,
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320 , 200 , { 0 } , 0 , 1 , 320 , 1 , {0} } ;
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// Open file name
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file_handle = Open_File ( name , WRITE ) ;
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if ( file_handle == WW_ERROR ) return FALSE ;
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header.width = pic.Get_Width() - 1 ;
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header.height = pic.Get_Height() - 1 ;
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header.byte_per_line = pic.Get_Width() ;
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Write_File ( file_handle, & header , sizeof (PCX_HEADER)) ;
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VP_Scan_Line = pic.Get_Width() + pic.Get_XAdd();
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Graphic_Buffer = pic.Get_Graphic_Buffer() ;
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ptr = ( char * ) Graphic_Buffer->Get_Buffer() ;
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ptr += ( (pic.Get_YPos() * VP_Scan_Line) + pic.Get_XPos() );
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for ( i = 0 ; i < (unsigned)header.height + 1 ; i ++ )
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Write_Pcx_ScanLine ( file_handle , header.byte_per_line, (unsigned char*)ptr + i * VP_Scan_Line ) ;
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Mem_Copy(palette, palcopy, 256 * 3);
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pal = ( RGB * ) palcopy ;
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for ( i = 0 ; i < 256 ; i ++ ) {
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pal -> red <<= 2 ;
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pal -> green <<= 2 ;
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pal -> blue <<= 2 ;
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pal ++ ;
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}
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i = 0x0c ;
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Write_File ( file_handle, & i , 1 ) ;
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Write_File ( file_handle, palcopy , 256 * sizeof (RGB) ) ;
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Close_File (file_handle) ;
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return 0 ;
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}
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/***************************************************************************
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* WRITE_PCX_SCANLINE -- function to write a single pcx scanline to a file *
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* *
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* *
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* INPUT: *
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* *
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* OUTPUT: *
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* *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 05/04/1995 JRJ : Created. *
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*=========================================================================*/
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#define POOL_SIZE 2048
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#define WRITE_CHAR(x) { \
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* file_ptr ++ = x ; \
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if ( file_ptr >= & pool [ POOL_SIZE ] ) { \
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Write_File ( file_handle, pool , POOL_SIZE ) ; \
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file_ptr = pool ; \
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} }
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void Write_Pcx_ScanLine ( int file_handle , int scansize , unsigned char * ptr )
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{
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unsigned i ;
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unsigned rle ;
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unsigned color ;
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unsigned last ;
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unsigned char * file_ptr ;
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unsigned char pool [ POOL_SIZE ] ;
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file_ptr = pool ;
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last = * ptr ;
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rle = 1 ;
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for ( i = 1 ; i < (unsigned)scansize ; i ++ ) {
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color = 0xff & * ++ ptr ;
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if ( color == last ) {
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rle ++ ;
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if ( rle == 63 ) {
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WRITE_CHAR ( 255 ) ;
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WRITE_CHAR ( color ) ;
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rle = 0 ;
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}
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} else {
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if ( rle ) {
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if ( rle == 1 && ( 192 != ( 192 & last ))) {
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WRITE_CHAR ( last ) ;
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} else {
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WRITE_CHAR ( rle | 192 ) ;
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WRITE_CHAR ( last ) ;
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}
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}
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last = color ;
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rle = 1 ;
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}
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}
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if ( rle ) {
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if ( rle == 1 && ( 192 != ( 192 & last ))) {
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WRITE_CHAR ( last ) ;
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} else {
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WRITE_CHAR ( rle | 192 ) ;
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WRITE_CHAR ( last) ;
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}
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}
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Write_File ( file_handle, pool , ( int ) file_ptr - ( int ) pool ) ;
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}
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