1 //<MStar Software> 2 //****************************************************************************** 3 // MStar Software 4 // Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved. 5 // All software, firmware and related documentation herein ("MStar Software") are 6 // intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by 7 // law, including, but not limited to, copyright law and international treaties. 8 // Any use, modification, reproduction, retransmission, or republication of all 9 // or part of MStar Software is expressly prohibited, unless prior written 10 // permission has been granted by MStar. 11 // 12 // By accessing, browsing and/or using MStar Software, you acknowledge that you 13 // have read, understood, and agree, to be bound by below terms ("Terms") and to 14 // comply with all applicable laws and regulations: 15 // 16 // 1. MStar shall retain any and all right, ownership and interest to MStar 17 // Software and any modification/derivatives thereof. 18 // No right, ownership, or interest to MStar Software and any 19 // modification/derivatives thereof is transferred to you under Terms. 20 // 21 // 2. You understand that MStar Software might include, incorporate or be 22 // supplied together with third party`s software and the use of MStar 23 // Software may require additional licenses from third parties. 24 // Therefore, you hereby agree it is your sole responsibility to separately 25 // obtain any and all third party right and license necessary for your use of 26 // such third party`s software. 27 // 28 // 3. MStar Software and any modification/derivatives thereof shall be deemed as 29 // MStar`s confidential information and you agree to keep MStar`s 30 // confidential information in strictest confidence and not disclose to any 31 // third party. 32 // 33 // 4. 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These terms shall be governed by and construed in accordance with the laws 66 // of Taiwan, R.O.C., excluding its conflict of law rules. 67 // Any and all dispute arising out hereof or related hereto shall be finally 68 // settled by arbitration referred to the Chinese Arbitration Association, 69 // Taipei in accordance with the ROC Arbitration Law and the Arbitration 70 // Rules of the Association by three (3) arbitrators appointed in accordance 71 // with the said Rules. 72 // The place of arbitration shall be in Taipei, Taiwan and the language shall 73 // be English. 74 // The arbitration award shall be final and binding to both parties. 75 // 76 //****************************************************************************** 77 //<MStar Software> 78 #ifndef _GIF_LIB_PRIVATE_H 79 #define _GIF_LIB_PRIVATE_H 80 81 #include "gif_lib.h" 82 83 #define PROGRAM_NAME "GIFLIB" 84 85 #define LZ_MAX_CODE 4095 /* Biggest code possible in 12 bits. */ 86 #define LZ_BITS 12 87 88 #define FLUSH_OUTPUT 4096 /* Impossible code, to signal flush. */ 89 #define FIRST_CODE 4097 /* Impossible code, to signal first. */ 90 #define NO_SUCH_CODE 4098 /* Impossible code, to signal empty. */ 91 92 #define FILE_STATE_WRITE 0x01 93 #define FILE_STATE_SCREEN 0x02 94 #define FILE_STATE_IMAGE 0x04 95 #define FILE_STATE_READ 0x08 96 97 #define IS_READABLE(Private) (Private->FileState & FILE_STATE_READ) 98 #define IS_WRITEABLE(Private) (Private->FileState & FILE_STATE_WRITE) 99 100 101 typedef struct GifFilePrivateType { 102 MS_U32 FileState, 103 FileHandle, /* Where all this data goes to! */ 104 BitsPerPixel, /* Bits per pixel (Codes uses at least this + 1). */ 105 ClearCode, /* The CLEAR LZ code. */ 106 EOFCode, /* The EOF LZ code. */ 107 RunningCode, /* The next code algorithm can generate. */ 108 RunningBits,/* The number of bits required to represent RunningCode. */ 109 MaxCode1, /* 1 bigger than max. possible code, in RunningBits bits. */ 110 LastCode, /* The code before the current code. */ 111 CrntCode, /* Current algorithm code. */ 112 StackPtr, /* For character stack (see below). */ 113 CrntShiftState; /* Number of bits in CrntShiftDWord. */ 114 MS_U32 CrntShiftDWord; /* For bytes decomposition into codes. */ 115 MS_U32 PixelCount; /* Number of pixels in image. */ 116 //FILE *File; /* File as stream. */ 117 InputFunc Read; /* function to read gif input (TVT) */ 118 OutputFunc Write; /* function to write gif output (MRB) */ 119 GifByteType Buf[256]; /* Compressed input is buffered here. */ 120 GifByteType Stack[LZ_MAX_CODE]; /* Decoded pixels are stacked here. */ 121 GifByteType Suffix[LZ_MAX_CODE+1]; /* So we can trace the codes. */ 122 MS_U32 Prefix[LZ_MAX_CODE+1]; 123 } GifFilePrivateType; 124 125 extern MS_U32 _MstGifError; 126 127 #ifdef SYSV 128 static char *VersionStr = 129 "Gif library module,\t\tEric S. Raymond\n\ 130 (C) Copyright 1997 Eric S. Raymond\n"; 131 #else 132 #if 0 133 static char *VersionStr = 134 PROGRAM_NAME 135 " IBMPC " 136 GIF_LIB_VERSION 137 " Eric S. Raymond, " 138 __DATE__ ", " __TIME__ "\n" 139 "(C) Copyright 1997 Eric S. Raymond\n"; 140 #endif 141 #endif /* SYSV */ 142 143 #endif /* _GIF_LIB_PRIVATE_H */ 144