Exemple #1
0
        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()));
        }
Exemple #2
0
        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();
        }