| BOOL StoreBitmapFile(LPCTSTR lpszFileName, HBITMAP HBM)
{
BITMAP BM;
BITMAPFILEHEADER BFH;
LPBITMAPINFO BIP;
HDC DC;
LPBYTE Buf;
DWORD ColorSize,DataSize;
WORD BitCount;
HANDLE FP;
DWORD dwTemp;
GetObject(HBM, sizeof(BITMAP), (LPSTR)&BM);
BitCount = (WORD)BM.bmPlanes * BM.bmBitsPixel;
switch (BitCount){
case 1:
case 4:
case 8:
case 32:
ColorSize = sizeof(RGBQUAD) * (1 << BitCount);
case 16:
case 24:
ColorSize = 0;
}
DataSize = ((BM.bmWidth*BitCount+31) & ~31)/8*BM.bmHeight;
BIP=(LPBITMAPINFO)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
sizeof(BITMAPINFOHEADER)+ColorSize);
BIP->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
BIP->bmiHeader.biWidth = BM.bmWidth;
BIP->bmiHeader.biHeight = BM.bmHeight;
BIP->bmiHeader.biPlanes = 1;
BIP->bmiHeader.biBitCount = BitCount;
BIP->bmiHeader.biCompression = 0;
BIP->bmiHeader.biSizeImage = DataSize;
BIP->bmiHeader.biXPelsPerMeter = 0;
BIP->bmiHeader.biYPelsPerMeter = 0;
if (BitCount < 16) BIP->bmiHeader.biClrUsed = (1<<BitCount);
BIP->bmiHeader.biClrImportant = 0;
BFH.bfType = 0x4d42;
BFH.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+ BIP->bmiHeader.biClrUsed *
sizeof(RGBQUAD);
BFH.bfReserved1 = 0;
BFH.bfReserved2 = 0;
BFH.bfSize = BFH.bfOffBits + DataSize;
Buf = (LPBYTE)GlobalAlloc(GMEM_FIXED, DataSize);
DC = GetDC(0);
GetDIBits(DC, HBM, 0,(WORD)BM.bmHeight, Buf, BIP, DIB_RGB_COLORS);
ReleaseDC(0, DC);
FP=CreateFile(lpszFileName,GENERIC_READ | GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
WriteFile(FP,&BFH,sizeof(BITMAPFILEHEADER),&dwTemp,NULL);
WriteFile(FP,BIP,sizeof(BITMAPINFOHEADER) + BIP->bmiHeader.biClrUsed *
sizeof(RGBQUAD),&dwTemp,NULL);
WriteFile(FP,Buf,DataSize,&dwTemp,NULL);
CloseHandle(FP);
GlobalFree((HGLOBAL)Buf);
HeapFree(GetProcessHeap(),0,(LPVOID)BIP);
return(true);
}
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