private static extern int StretchDIBits(
IntPtr HDC,
int XDest, // x-coord of destination upper-left corner
int YDest, // y-coord of destination upper-left corner
int nDestWidth, // width of destination rectangle
int nDestHeight, // height of destination rectangle
int XSrc, // x-coord of source upper-left corner
int YSrc, // y-coord of source upper-left corner
int nSrcWidth, // width of source rectangle
int nSrcHeight, // height of source rectangle
IntPtr lpBits, // bitmap bits
BITMAPINFO lpBitsInfo, // bitmap data
uint iUsage, // usage options
int dwRop // raster operation code
);
/// <summary>
/// Returns the <see cref="BITMAPINFO"/> structure of a FreeImage bitmap.
/// The structure is a copy, so changes will have no effect on
/// the bitmap itself.
/// </summary>
/// <param name="dib">Handle to a FreeImage bitmap.</param>
/// <returns><see cref="BITMAPINFO"/> structure of the bitmap.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="dib"/> is null.</exception>
public static BITMAPINFO GetInfoEx(FIBITMAP dib)
{
if (dib.IsNull)
{
throw new ArgumentNullException("dib");
}
BITMAPINFO result = new BITMAPINFO();
result.bmiHeader = GetInfoHeaderEx(dib);
IntPtr ptr = GetPalette(dib);
if (ptr == IntPtr.Zero)
{
result.bmiColors = new RGBQUAD[0];
}
else
{
result.bmiColors = new MemoryArray<RGBQUAD>(ptr, (int)result.bmiHeader.biClrUsed).Data;
}
return result;
}