public static WicImageContainer Load(Stream inStream)
{
var gch = GCHandle.Alloc(inStream);
var sti = new IStreamImpl(gch);
using var ccw = new SafeHandleReleaser(new SafeComCallable <IStreamImpl>(sti));
var dec = createDecoder((IStream *)ccw.Handle !.DangerousGetHandle());
return(WicImageContainer.Create(dec, ccw.Detach()));
}
public WicImageEncoder(FileFormat format, Stream stm)
{
var fmt = formatMap.GetValueOrDefault(format, GUID_ContainerFormatPng);
var gch = GCHandle.Alloc(stm);
var sti = new IStreamImpl(gch);
ccw = new SafeComCallable <IStreamImpl>(sti);
using var encoder = default(ComPtr <IWICBitmapEncoder>);
HRESULT.Check(Wic.Factory->CreateEncoder(&fmt, null, encoder.GetAddressOf()));
HRESULT.Check(encoder.Get()->Initialize((IStream *)ccw.DangerousGetHandle(), WICBitmapEncoderCacheOption.WICBitmapEncoderNoCache));
WicEncoder = encoder.Detach();
}
private void btnCreateRead_Click(object sender, EventArgs e)
{
using (OpenFileDialog dlg = new OpenFileDialog())
{
dlg.Filter = "All Files (*.*)|*.*";
dlg.ShowReadOnly = false;
this.DialogResult = dlg.ShowDialog();
if (this.DialogResult == DialogResult.OK)
{
try
{
Stream = new IStreamImpl(dlg.FileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
Close();
}