📄 calcborn.cpp
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if(bReverse) pSrc -= dwCol; else pSrc += dwCol;
}
bRet = TRUE; /* 标识合成成功 */
TheEnd:
if(fp) {fclose(fp); fp = NULL;} return (bRet); /* 释放所用资源 */
}
/*=========================================================================*/
/* 判断BMP文件中的数据是否是所喜欢的可处理的数据 */
BOOL IsDesiredImage(const char *chFile, /* 指定目标文件 */
short &nWide, short &nHigh) /* 返回BMP信息头 */
{
FILE *fp = fopen(chFile, "rb"); /* 打开指定文件 */
nWide = nHigh = 0; if(fp == NULL) return (FALSE);
BITMAPFILEHEADER FileHdr; memset(&FileHdr, 0, sizeof(FileHdr));
BITMAPINFOHEADER InfoHdr; memset(&InfoHdr, 0, sizeof(InfoHdr));
BOOL bRetn = FALSE;
if((fread(&FileHdr, sizeof(FileHdr), 1, fp) != 1) ||
FileHdr.bfType != 19778L || FileHdr.bfOffBits != 1078 ||
(fread(&InfoHdr, sizeof(InfoHdr), 1, fp) != 1) ||
InfoHdr.biSize != sizeof(InfoHdr) || InfoHdr.biPlanes != 1 ||
InfoHdr.biBitCount != 8 || InfoHdr.biCompression != 0 ||
InfoHdr.biWidth <= 0 || InfoHdr.biHeight <= 0)
goto TheEnd; /* 判断是否符合 */
bRetn = TRUE;
nWide = (short)WIDTHBYTES(InfoHdr.biWidth * 8);
nHigh = (short)InfoHdr.biHeight;
TheEnd:
fclose(fp); fp = NULL; return (bRetn); /* 关闭文件句柄 */
}
/* 保存的图像的点阵数据为BMP文件(可以存贮非4的整数倍的宽度) */
BOOL SaveArrayImage(LPCTSTR chFile, /* 欲存文件名 */
BYTE **pImage, /* 图像区指针 */
short nWide, short nHigh, /* 图像区宽高 */
int bIsFlip/* = 1 */, /* 是否翻转图 */
BITMAPINFOHEADER *pInfoHdr/* = NULL */) /* 存_BMP信息 */
{
if(!pImage || nWide < 1 || nHigh < 1) /* 写目标文件 */
return (FALSE); BOOL bRet = FALSE;
FILE *fp = fopen(chFile, "wb"); if(!fp) return (FALSE);
short nNewWide = WIDTHBYTES(nWide * 8), i; /* 4整数倍宽度 */
long nSize = (long)nNewWide * (long)nHigh; /* 生成数据面积 */
long nDpi500 = (long)(500000.0F / MMPI + 0.5F); /* 500DPI标识 */
BITMAPFILEHEADER FileHdr; /* BMP文件头 */
BITMAPINFOHEADER InfoHdr; /* BMP信息头 */
UINT szFileHdr = sizeof(BITMAPFILEHEADER); /* BMP文件头大小 */
UINT szInfoHdr = sizeof(BITMAPINFOHEADER); /* BMP信息头大小 */
RGBQUAD BmpPlane[256]; /* BMP调色板 */
UINT szPlane = sizeof(BmpPlane); /* BMP调色板大小 */
FileHdr.bfType = 19778L; /* BMP文件标识 */
FileHdr.bfOffBits = szFileHdr + szInfoHdr + szPlane;
FileHdr.bfSize = FileHdr.bfOffBits + nSize; /* BMP文件头 */
FileHdr.bfReserved1 = FileHdr.bfReserved2 = 0;
InfoHdr.biSize = szInfoHdr; InfoHdr.biWidth = nWide;
InfoHdr.biHeight = nHigh; InfoHdr.biPlanes = 1;
InfoHdr.biBitCount = 8; InfoHdr.biCompression = 0;
InfoHdr.biSizeImage = nSize; /* BMP信息头 */
InfoHdr.biXPelsPerMeter = pInfoHdr ? pInfoHdr->biXPelsPerMeter : nDpi500;
InfoHdr.biYPelsPerMeter = pInfoHdr ? pInfoHdr->biYPelsPerMeter : nDpi500;
InfoHdr.biClrUsed = 0; InfoHdr.biClrImportant = 0;
for(i=0; i<256; i++) /* 灰度三色相同 */
{
BmpPlane[i].rgbBlue = (BYTE)i;
BmpPlane[i].rgbGreen = (BYTE)i;
BmpPlane[i].rgbRed = (BYTE)i; /* BMP调色板 */
BmpPlane[i].rgbReserved = (BYTE)0;
}
if(fwrite(&FileHdr, szFileHdr, 1, fp) != 1) /* 输出文件头 */
goto TheEnd;
if(fwrite(&InfoHdr, szInfoHdr, 1, fp) != 1) /* 输出信息头 */
goto TheEnd;
if(fwrite(BmpPlane, szPlane, 1, fp) != 1) /* 输出调色板 */
goto TheEnd;
for(i=0; i<nHigh; i++) /* 原序或翻转 */
{
if(fwrite(pImage[!bIsFlip ? i : nHigh - 1 - i],
nNewWide, 1, fp) != 1) goto TheEnd;
}
bRet = TRUE; /* 标识成功保存 */
TheEnd:
if(fp) {fclose(fp); fp = NULL;} return (bRet); /* 关闭文件返回 */
}
/* 加载BMP的数据区到指定的内存(可翻转数据，可读取非4整数倍宽度图像) */
BOOL LoadArrayImage(LPCTSTR chFile, /* 输入读取文件 */
BYTE **&pImage, /* 图像内存区域 */
short &nWide, short &nHigh, /* 对应区域宽高 */
int bIsFlip/* = 1 */, /* 是否翻转读取 */
BITMAPINFOHEADER *pInfoHdr/* = NULL */) /* 返_BMP信息头 */
{
BITMAPFILEHEADER FileHdr; /* BMP的文件头 */
UINT szFileHdr = sizeof(FileHdr);
BITMAPINFOHEADER InfoHdr; /* BMP的信息头 */
UINT szInfoHdr = sizeof(InfoHdr);
FILE *fp = fopen(chFile, "rb"); /* 打开BMP文件 */
if(!fp) return (FALSE); BOOL bRet = FALSE;
memset(&FileHdr, 0, szFileHdr);
memset(&InfoHdr, 0, szInfoHdr);
short nCurWide, nCurHigh, nAddWide, j, k;
if(fread(&FileHdr, szFileHdr, 1, fp) != 1) /* 读取BMP文件头 */
goto TheEnd;
if(FileHdr.bfType != 19778L || FileHdr.bfOffBits != 1078)
goto TheEnd;
if(fread(&InfoHdr, szInfoHdr, 1, fp) != 1) /* 读取BMP信息头 */
goto TheEnd;
if(InfoHdr.biSize != szInfoHdr || InfoHdr.biPlanes != 1 ||
InfoHdr.biBitCount != 8 || InfoHdr.biCompression != 0 ||
InfoHdr.biWidth <= 0 || InfoHdr.biHeight <= 0 ||
fseek(fp, 1078, SEEK_SET)) goto TheEnd; /* 校验文件格式 */
nCurWide = (short)WIDTHBYTES(InfoHdr.biWidth * 8);
nCurHigh = (short)InfoHdr.biHeight; /* 图像的宽和高 */
nAddWide = nCurWide - (short)InfoHdr.biWidth;
if(nCurWide != nWide || nCurHigh != nHigh) /* 大小发生变化 */
{
DelByte2D(pImage); pImage = NULL;
nWide = 0; nHigh = 0; /* 释放原有内存 */
}
if(!pImage && !NewByte2D(pImage, nCurWide, nCurHigh))
goto TheEnd; /* 申请图像内存 */
else {nWide = nCurWide; nHigh = nCurHigh;}
for(j=0; j<nHigh; j++) /* 按行读取数据 */
{
k = !bIsFlip ? j : nHigh - 1 - j; /* 是否翻转的值 */
if(fread(pImage[k], nWide, 1, fp) != 1) /* 读取一行数据 */
goto TheEnd;
if(nAddWide > 0) /* 多余则置白色 */
memset(&pImage[k][InfoHdr.biWidth], 0xFF, nAddWide);
}
if(pInfoHdr) *pInfoHdr = InfoHdr; bRet = TRUE; /* 返回信息数据 */
TheEnd:
if(fp) {fclose(fp); fp = NULL;} return (bRet); /* 读取完毕返回 */
}
/*=========================================================================*/
/* 获取图像大小，及返回色彩模式(0＝失败，1＝灰度，2＝彩色) */
INT IsColorAndSize(LPCTSTR chFile, /* 目标文件名 */
short &nWide, short &nHigh) /* 返回BMP信息头 */
{
FILE *fp = fopen(chFile, "rb"); /* 打开指定文件 */
nWide = nHigh = 0; if(fp == NULL) return (FALSE);
BITMAPFILEHEADER FileHdr; memset(&FileHdr, 0, sizeof(FileHdr));
BITMAPINFOHEADER InfoHdr; memset(&InfoHdr, 0, sizeof(InfoHdr));
INT nRetn = 0; BOOL bGray; /* 返回彩色模式 */
if((fread(&FileHdr, sizeof(FileHdr), 1, fp) != 1) ||
FileHdr.bfType != 19778L) goto TheEnd; /* 读取文件标头 */
if((fread(&InfoHdr, sizeof(InfoHdr), 1, fp) != 1) ||
InfoHdr.biSize != sizeof(InfoHdr) || InfoHdr.biPlanes != 1 ||
InfoHdr.biCompression != 0 || InfoHdr.biWidth <= 0 ||
InfoHdr.biHeight <= 0 || (InfoHdr.biBitCount != 8 &&
InfoHdr.biBitCount != 24)) goto TheEnd; /* 检查图像格式 */
bGray = (InfoHdr.biBitCount == 8);
if(FileHdr.bfOffBits != (DWORD)(bGray ? 1078 : 54) ||
(!bGray && ((InfoHdr.biWidth % 4) != 0))) goto TheEnd;
nWide = (short)WIDTHBYTES(InfoHdr.biWidth * 8);
nHigh = (short)InfoHdr.biHeight; /* 返回宽高色彩 */
nRetn = (bGray ? 1 : 2);
TheEnd:
if(fp) fclose(fp); fp = NULL; return (nRetn); /* 关闭文件句柄 */
}
/* 将24位彩色位图数据保存成BMP文件，可选翻转，必须是4整数倍宽 */
BOOL SaveColorImage(LPCTSTR chFile, /* 欲存文件名 */
BYTE *pImage, /* 图像区指针 */
short nWide, short nHigh, /* 图像区宽高 */
int bIsFlip/* = 1 */) /* 是否翻转图 */
{
if(!pImage || nWide < 1 || nHigh < 1 || /* 写目标文件 */
(nWide % 4 != 0)) return (FALSE);
FILE *fp = fopen(chFile, "wb"); if(!fp) return (FALSE);
BITMAPFILEHEADER FileHdr; /* BMP文件头 */
BITMAPINFOHEADER InfoHdr; BOOL bRet = FALSE; /* BMP信息头 */
LONG nSize = (LONG)nWide * nHigh * 3; /* 数据区大小 */
FileHdr.bfType = 19778L; /* BMP文件头 */
FileHdr.bfOffBits = sizeof(FileHdr) + sizeof(InfoHdr);
FileHdr.bfSize = FileHdr.bfOffBits + nSize;
FileHdr.bfReserved1 = FileHdr.bfReserved2 = 0;
InfoHdr.biSize = sizeof(InfoHdr); InfoHdr.biWidth = nWide;
InfoHdr.biHeight = nHigh; InfoHdr.biPlanes = 1;
InfoHdr.biBitCount = 24; InfoHdr.biCompression = 0;
InfoHdr.biXPelsPerMeter = 19685; InfoHdr.biSizeImage = nSize;
InfoHdr.biYPelsPerMeter = 19685; InfoHdr.biClrUsed = 0;
InfoHdr.biClrImportant = 0; /* BMP信息头 */
if((fwrite(&FileHdr, sizeof(FileHdr), 1, fp) == 1) &&
(fwrite(&InfoHdr, sizeof(InfoHdr), 1, fp) == 1))
{
if(bIsFlip) /* 写图像数据 */
{
LONG nMemWd = (LONG)nWide * 3;
BYTE *pCurr = pImage + nSize - nMemWd;
while(pCurr >= pImage)
{
bRet = (fwrite(pCurr, nMemWd, 1, fp) == 1);
if(!bRet) break; pCurr -= nMemWd; /* 依每行写入 */
}
}
else bRet = (fwrite(pImage, nSize, 1, fp) == 1);
}
if(fp) {fclose(fp); fp = NULL;} return (bRet); /* 关闭文件返 */
}
/* 加载24位彩色BMP文件到指定内存(可选翻转，必须是4整数倍宽度) */
BOOL LoadColorImage(LPCTSTR chFile, /* 输入读取文件 */
BYTE *&pImage, /* 图像内存区域 */
short &nWide, short &nHigh, /* 对应区域宽高 */
int bIsFlip/* = 1 */) /* 是否翻转读取 */
{
BITMAPFILEHEADER FileHdr; /* BMP的文件头 */
BITMAPINFOHEADER InfoHdr; /* BMP的信息头 */
FILE *fp = fopen(chFile, "rb"); /* 打开BMP文件 */
if(!fp) return (FALSE); BOOL bRet = FALSE;
memset(&FileHdr, 0, sizeof(FileHdr));
memset(&InfoHdr, 0, sizeof(InfoHdr));
short nCurWide, nCurHigh; LONG nSize;
if(fread(&FileHdr, sizeof(FileHdr), 1, fp) != 1)/* 读取BMP文件头 */
goto TheEnd;
if(FileHdr.bfType != 19778L || FileHdr.bfOffBits != 54)
goto TheEnd;
if(fread(&InfoHdr, sizeof(InfoHdr), 1, fp) != 1)/* 读取BMP信息头 */
goto TheEnd;
if(InfoHdr.biSize != sizeof(InfoHdr) || InfoHdr.biPlanes != 1 ||
InfoHdr.biBitCount != 24 || InfoHdr.biCompression != 0 ||
InfoHdr.biWidth <= 0 || InfoHdr.biHeight <= 0 ||
(InfoHdr.biWidth % 4 != 0) ||
fseek(fp, 54, SEEK_SET)) goto TheEnd; /* 校验文件格式 */
nCurWide = (short)InfoHdr.biWidth; /* 图像的宽和高 */
nCurHigh = (short)InfoHdr.biHeight;
if(nCurWide != nWide || nCurHigh != nHigh) /* 大小发生变化 */
{
TcDelMem(pImage); pImage = NULL;
nWide = 0; nHigh = 0; /* 释放原有内存 */
}
nSize = (LONG)nCurWide * nCurHigh * 3;
if(!pImage && !(pImage = TcNewMem(nSize, BYTE)))
goto TheEnd; /* 申请图像内存 */
else {nWide = nCurWide; nHigh = nCurHigh;}
if(bIsFlip) /* 翻转加载图像 */
{
LONG nMemWd = (LONG)nWide * 3;
BYTE *pCurr = pImage + nSize - nMemWd; /* 须是04整数倍 */
while(pCurr >= pImage)
{
bRet = (fread(pCurr, nMemWd, 1, fp) == 1);
if(!bRet) break; pCurr -= nMemWd; /* 依次每行读出 */
}
}
else bRet = (fread(pImage, nSize, 1, fp) == 1);
TheEnd:
if(fp) {fclose(fp); fp = NULL;} return (bRet); /* 读取完毕返回 */
}
/*=========================================================================*/
/* CRC32校验接口的专用码表 */
static const DWORD Crc32Table[256] =
{
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
};
/* 给定一个数据区及其长度，求出它的CRC32检验码 */
DWORD GenerateCRC32(const void *pSource, long nLength)
{
const BYTE *pData = (BYTE *)pSource;
DWORD dwCrc32 = 0xFFFFFFFF;
if(!pData) return (0);
while((nLength--) > 0)
{
dwCrc32 = ((dwCrc32 >> 8) & 0x00FFFFFF) ^ \
Crc32Table[(*pData++) ^ (BYTE)(dwCrc32 & 0xFF)];
}
return (~dwCrc32);
}
/* 给定一个数据区及其长度，求出它的CRC32检验码 */
DWORD GenCRC(DWORD dwCrc32, const void *pSource, long nLength)
{
const BYTE *pData = (BYTE *)pSource;
if(!pData) return (dwCrc32);
dwCrc32 = ~dwCrc32;
while((nLength--) > 0)
{
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