int LoadBitmapResource(LPDIRECTDRAWSURFACE7 lpdds, int xDest, int yDest, int nResID)
{
HDC hSrcDC; // source DC - memory device context
HDC hDestDC; // destination DC - surface device context
HBITMAP hbitmap; // handle to the bitmap resource
BITMAP bmp; // structure for bitmap info
int nHeight, nWidth; // bitmap dimensions
// first load the bitmap resource
if ((hbitmap = (HBITMAP)LoadImage(hinstance, MAKEINTRESOURCE(nResID), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION)) == NULL)
return(FALSE);
// create a DC for the bitmap to use
if ((hSrcDC = CreateCompatibleDC(NULL)) == NULL)
return(FALSE);
// select the bitmap into the DC
if (SelectObject(hSrcDC, hbitmap) == NULL)
{
DeleteDC(hSrcDC);
return(FALSE);
}
// get image dimensions
if (GetObject(hbitmap, sizeof(BITMAP), &bmp) == 0)
{
DeleteDC(hSrcDC);
return(FALSE);
}
nWidth = bmp.bmWidth;
nHeight = bmp.bmHeight;
// retrieve surface DC
if (FAILED(lpdds->GetDC(&hDestDC)))
{
DeleteDC(hSrcDC);
return(FALSE);
}
// copy image from one DC to the other
if (BitBlt(hDestDC, xDest, yDest, nWidth, nHeight, hSrcDC, 0, 0, SRCCOPY) == NULL)
{
lpdds->ReleaseDC(hDestDC);
DeleteDC(hSrcDC);
return(FALSE);
}
// kill the device contexts
lpdds->ReleaseDC(hDestDC);
DeleteDC(hSrcDC);
// return success
return(TRUE);
} |
