169 lines
6.7 KiB
C
169 lines
6.7 KiB
C
/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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 : Part of the FILEIO Library *
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* *
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* File Name : IFF.H *
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* *
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* Programmer : Scott K. Bowen *
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* *
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* Start Date : April 20, 1994 *
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* *
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* Last Update : April 20, 1994 [SKB] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef IFF_H
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#define IFF_H
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#ifndef MISC_H
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#include <misc.h> // This is needed fro Reverse_WORD and _LONG
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#endif
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#ifndef MEMFLAGS_H
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#include <memflag.h> // This is needed for MemoryFlagType.
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#endif
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#ifndef GBUFFER_H
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#include <gbuffer.h>
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#endif
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#define LZW_SUPPORTED FALSE
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/*=========================================================================*/
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/* Iff and Load Picture system defines and enumerations */
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/*=========================================================================*/
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#define MAKE_ID(a,b,c,d) ((LONG) ((LONG) d << 24) | ((LONG) c << 16) | ((LONG) b << 8) | (LONG)(a))
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#define IFFize_WORD(a) Reverse_WORD(a)
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#define IFFize_LONG(a) Reverse_LONG(a)
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//lint -strong(AJX,PicturePlaneType)
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typedef enum {
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BM_AMIGA, // Bit plane format (8K per bitplane).
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BM_MCGA, // Byte per pixel format (64K).
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BM_DEFAULT=BM_MCGA // Default picture format.
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} PicturePlaneType;
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/*
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** This is the compression type code. This value is used in the compressed
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** file header to indicate the method of compression used. Note that the
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** LZW method may not be supported.
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*/
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//lint -strong(AJX,CompressionType)
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typedef enum {
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NOCOMPRESS, // No compression (raw data).
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LZW12, // LZW 12 bit codes.
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LZW14, // LZW 14 bit codes.
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HORIZONTAL, // Run length encoding (RLE).
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LCW // Westwood proprietary compression.
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} CompressionType;
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/*
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** Compressed blocks of data must start with this header structure.
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** Note that disk based compressed files have an additional two
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** leading bytes that indicate the size of the entire file.
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*/
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//lint -strong(AJX,CompHeaderType)
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typedef struct {
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BYTE Method; // Compression method (CompressionType).
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BYTE pad; // Reserved pad byte (always 0).
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LONG Size; // Size of the uncompressed data.
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WORD Skip; // Number of bytes to skip before data.
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} CompHeaderType;
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/*=========================================================================*/
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/* The following prototypes are for the file: IFF.CPP */
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/*=========================================================================*/
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WORD cdecl Open_Iff_File(BYTE const *filename);
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VOID cdecl Close_Iff_File(WORD fh);
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ULONG cdecl Get_Iff_Chunk_Size(WORD fh, LONG id);
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ULONG cdecl Read_Iff_Chunk(WORD fh, LONG id, VOID *buffer, ULONG maxsize);
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VOID cdecl Write_Iff_Chunk(WORD file, LONG id, VOID *buffer, LONG length);
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/*=========================================================================*/
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/* The following prototypes are for the file: LOADPICT.CPP */
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/*=========================================================================*/
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//WORD cdecl Load_Picture(BYTE const *filename, BufferClass& scratchbuf, BufferClass& destbuf, UBYTE *palette=NULL, PicturePlaneType format=BM_DEFAULT);
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/*=========================================================================*/
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/* The following prototypes are for the file: LOAD.CPP */
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/*=========================================================================*/
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ULONG cdecl Load_Data(BYTE const *name, VOID *ptr, ULONG size);
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ULONG cdecl Write_Data(BYTE const *name, VOID *ptr, ULONG size);
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VOID * cdecl Load_Alloc_Data(BYTE const *name, MemoryFlagType flags);
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//ULONG cdecl Load_Uncompress(BYTE const *file, BufferClass& uncomp_buff, BufferClass& dest_buff, VOID *reserved_data=NULL);
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ULONG cdecl Uncompress_Data(VOID const *src, VOID *dst);
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VOID cdecl Set_Uncomp_Buffer(WORD buffer_segment, UWORD size_of_buffer);
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/*=========================================================================*/
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/* The following prototypes are for the file: WRITELBM.CPP */
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/*=========================================================================*/
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PUBLIC BOOL Write_LBM_File(WORD lbmhandle, BufferClass& buff, WORD bitplanes, UBYTE *palette);
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/*========================= Assembly Functions ============================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*=========================================================================*/
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/* The following prototypes are for the file: PACK2PLN.ASM */
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/*=========================================================================*/
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extern VOID Pack_2_Plane(VOID *buffer, VOID * pageptr, WORD planebit);
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/*=========================================================================*/
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/* The following prototypes are for the file: LCWCOMP.ASM */
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/*=========================================================================*/
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extern ULONG LCW_Compress(VOID *source, VOID *dest, ULONG length);
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/*=========================================================================*/
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/* The following prototypes are for the file: LCWUNCMP.ASM */
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/*=========================================================================*/
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extern ULONG LCW_Uncompress(VOID *source, VOID *dest, ULONG length);
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#ifdef __cplusplus
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}
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#endif
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/*=========================================================================*/
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#endif //IFF_H
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