//--------------------------------------------------------------------------//
//--------------------------------------------------------------------------//
void CAGSymImage::LoadDIB(const BITMAPINFOHEADER* pHdr, const BYTE* pBits)
{
Free();
if (pHdr->biCompression == BI_RGB && (pHdr->biBitCount == 1 || pHdr->biBitCount == 4 || pHdr->biBitCount == 8 || pHdr->biBitCount == 24))
{
BITMAPINFOHEADER bi;
bi = *pHdr;
bi.biCompression = BI_RGB;
if (!bi.biSizeImage)
bi.biSizeImage = DibSizeImage(&bi);
if (!bi.biClrUsed)
bi.biClrUsed = DibNumColors(&bi);
if (m_pDIB = (BITMAPINFOHEADER*)malloc(DibSize(&bi)))
{
*m_pDIB = bi;
if (bi.biClrUsed)
memcpy((void*)DibColors(m_pDIB), (void*)DibColors(pHdr), DibPaletteSize(pHdr));
BYTE* pNewBits = (BYTE*)DibPtr(m_pDIB);
const BYTE* pSrcBits;
if (pBits)
pSrcBits = pBits;
else
pSrcBits = (BYTE*)(DibColors(pHdr) + bi.biClrUsed);
memcpy(pNewBits, pSrcBits, bi.biSizeImage);
}
}
}
/******************************Public*Routine******************************\
* VcdPlyerCaptureImage
*
\**************************************************************************/
BOOL
VcdPlyerCaptureImage(
LPCSTR szFile
)
{
if(pMpegMovie)
{
BYTE* lpCurrImage = NULL;
if(pMpegMovie->GetCurrentImage(&lpCurrImage) == S_OK)
{
BITMAPFILEHEADER hdr;
HFILE fh;
OFSTRUCT of;
DWORD dwSize;
PDIB pdib = (PDIB)lpCurrImage;
fh = OpenFile(szFile,&of,OF_CREATE|OF_READWRITE);
if(fh == -1)
return FALSE;
dwSize = DibSize(pdib);
hdr.bfType = BFT_BITMAP;
hdr.bfSize = dwSize + sizeof(BITMAPFILEHEADER);
hdr.bfReserved1 = 0;
hdr.bfReserved2 = 0;
hdr.bfOffBits = (DWORD)sizeof(BITMAPFILEHEADER) + pdib->biSize +
DibPaletteSize(pdib);
_lwrite(fh,(LPCSTR)(LPVOID)&hdr,sizeof(BITMAPFILEHEADER));
_hwrite(fh,(LPCSTR)(LPVOID)pdib,dwSize);
_lclose(fh);
CoTaskMemFree(lpCurrImage);
TCHAR szText[128], szDir[MAX_PATH];
GetCurrentDirectory(MAX_PATH, szDir);
wsprintf(szText, TEXT("Captured current image to %s\\%s."), szDir, szFile);
MessageBox(hwndApp, szText, TEXT("Captured bitmap"), MB_OK);
return TRUE;
}
}
return FALSE;
}
PDIB DibOpenFile(LPSTR szFile)
{
HFILE fh;
DWORD dwLen;
DWORD dwBits;
PDIB pdib;
LPVOID p;
long i, width, height;
BYTE *row1, *row2, *temp, *bits;
fh = open(szFile, O_BINARY | O_RDONLY);
if (fh == -1)
return NULL;
pdib = DibReadBitmapInfo(fh);
if (!pdib)
return NULL;
/* How much memory do we need to hold the DIB */
dwBits = DibWidthBytes(pdib) * pdib->biHeight;
dwLen = pdib->biSize + DibPaletteSize(pdib) + dwBits;
/* Can we get more memory? */
p = realloc(pdib,dwLen);
if (!p)
{
free(pdib);
pdib = NULL;
}
else
{
pdib = (PDIB)p;
}
if (pdib)
{
/* read in the bits */
bits = (LPBYTE) pdib + (UINT)pdib->biSize + DibPaletteSize(pdib);
read(fh, bits, dwBits);
/* Flip the bits to make bitmap top-down */
width = DibWidthBytes(pdib);
height = DibHeight(pdib);
temp = (BYTE *) malloc(width);
for (i=0; i < height / 2; i++)
{
row1 = bits + (height - i - 1) * width;
row2 = bits + i * width;
memcpy(temp, row1, (size_t) width);
memcpy(row1, row2, (size_t) width);
memcpy(row2, temp, (size_t) width);
}
free(temp);
}
close(fh);
return pdib;
}
