public int GetResolution(IWICBitmapSourceImpl *pinst, double *pDpiX, double *pDpiY)
{
*pDpiX = 96d;
*pDpiY = 96d;
return(S_OK);
}
public int GetPixelFormat(IWICBitmapSourceImpl *pinst, Guid *pPixelFormat)
{
var ps = (PixelSource)GCHandle.FromIntPtr(pinst->source).Target !;
*pPixelFormat = ps.Format.FormatGuid;
return(S_OK);
}
public int GetSize(IWICBitmapSourceImpl *pinst, uint *puiWidth, uint *puiHeight)
{
var ps = (PixelSource)GCHandle.FromIntPtr(pinst->source).Target !;
*puiWidth = (uint)ps.Width;
*puiHeight = (uint)ps.Height;
return(S_OK);
}
public int CopyPixels(IWICBitmapSourceImpl *pinst, WICRect *prc, uint cbStride, uint cbBufferSize, byte *pbBuffer)
{
var ps = (PixelSource)GCHandle.FromIntPtr(pinst->source).Target !;
var area = prc is not null ? new PixelArea(prc->X, prc->Y, prc->Width, prc->Height) : ps.Area;
ps.CopyPixels(area, (int)cbStride, (int)cbBufferSize, (IntPtr)pbBuffer);
return(S_OK);
}
public int QueryInterface(IWICBitmapSourceImpl *pinst, Guid *riid, void **ppvObject)
{
var iid = *riid;
if (iid == __uuidof <IWICBitmapSource>() || iid == __uuidof <IUnknown>())
{
*ppvObject = pinst;
return(S_OK);
}
return(E_NOINTERFACE);
}
public uint Release(IWICBitmapSourceImpl *pinst) => 1;
public uint AddRef(IWICBitmapSourceImpl *pinst) => 1;
public int CopyPalette(IWICBitmapSourceImpl *pinst, IWICPalette *pIPalette) => E_NOTIMPL;
