예제 #1
0
        private static bool CopyImageAlternative2(Image img, string fileName = null)
        {
            using (Bitmap bmpNonTransparent = img.CreateEmptyBitmap(PixelFormat.Format24bppRgb))
                using (MemoryStream msPNG = new MemoryStream())
                    using (MemoryStream msDIB = new MemoryStream())
                    {
                        IDataObject dataObject = new DataObject();

                        using (Graphics g = Graphics.FromImage(bmpNonTransparent))
                        {
                            g.Clear(Color.White);
                            g.DrawImage(img, 0, 0, img.Width, img.Height);
                        }

                        dataObject.SetData(DataFormats.Bitmap, true, bmpNonTransparent);

                        img.Save(msPNG, ImageFormat.Png);
                        dataObject.SetData(FORMAT_PNG, false, msPNG);

                        byte[] dibData = ClipboardHelpersEx.ConvertToDib(img);
                        msDIB.Write(dibData, 0, dibData.Length);
                        dataObject.SetData(DataFormats.Dib, false, msDIB);

                        if (!string.IsNullOrEmpty(fileName))
                        {
                            string htmlFragment = GenerateHTMLFragment($"<img src=\"{fileName}\"/>");
                            dataObject.SetData(DataFormats.Html, htmlFragment);
                        }

                        return(CopyData(dataObject));
                    }
        }
예제 #2
0
        private static Bitmap GetImageAlternative2()
        {
            IDataObject dataObject = Clipboard.GetDataObject();

            if (dataObject != null)
            {
                string[] dataFormats = dataObject.GetFormats(false);

                if (dataFormats.Contains(FORMAT_PNG))
                {
                    using (MemoryStream ms = dataObject.GetData(FORMAT_PNG) as MemoryStream)
                    {
                        if (ms != null)
                        {
                            using (Bitmap bmp = new Bitmap(ms))
                            {
                                return(ClipboardHelpersEx.CloneImage(bmp));
                            }
                        }
                    }
                }
                else if (dataFormats.Contains(DataFormats.Dib))
                {
                    using (MemoryStream ms = dataObject.GetData(DataFormats.Dib) as MemoryStream)
                    {
                        if (ms != null)
                        {
                            return(ClipboardHelpersEx.ImageFromClipboardDib(ms.ToArray()));
                        }
                    }
                }
                else if (dataFormats.Contains(FORMAT_17))
                {
                    using (MemoryStream ms = dataObject.GetData(FORMAT_17) as MemoryStream)
                    {
                        if (ms != null)
                        {
                            return(ClipboardHelpersEx.DIBV5ToBitmap(ms.ToArray()));
                        }
                    }
                }
                else if (dataFormats.Contains(DataFormats.Bitmap))
                {
                    return(dataObject.GetData(DataFormats.Bitmap, true) as Bitmap);
                }
            }

            return(null);
        }
        private void UpdateSelectedClipboardContent()
        {
            ResetSelected();

            if (lvClipboardContentList.SelectedItems.Count > 0)
            {
                ListViewItem lvi    = lvClipboardContentList.SelectedItems[0];
                string       format = lvi.Text;

                if (CurrentDataObject != null)
                {
                    object data = CurrentDataObject.GetData(format);

                    if (data == null)
                    {
                        RefreshClipboardContentList();
                    }
                    else
                    {
                        try
                        {
                            switch (data)
                            {
                            case MemoryStream ms:
                                if (format.Equals(ClipboardHelpers.FORMAT_PNG, StringComparison.OrdinalIgnoreCase))
                                {
                                    using (Bitmap bmp = new Bitmap(ms))
                                    {
                                        Bitmap clonedImage = ClipboardHelpersEx.CloneImage(bmp);
                                        LoadImage(clonedImage);
                                    }
                                }
                                else if (format.Equals(DataFormats.Dib, StringComparison.OrdinalIgnoreCase))
                                {
                                    Bitmap bmp = ClipboardHelpersEx.ImageFromClipboardDib(ms.ToArray());
                                    LoadImage(bmp);
                                }
                                else if (format.Equals(ClipboardHelpers.FORMAT_17, StringComparison.OrdinalIgnoreCase))
                                {
                                    Bitmap bmp = ClipboardHelpersEx.DIBV5ToBitmap(ms.ToArray());
                                    LoadImage(bmp);
                                }
                                else
                                {
                                    LoadText(data.ToString());
                                }
                                break;

                            case Bitmap bmp:
                                LoadImage(bmp);
                                break;

                            default:
                                LoadText(data.ToString());
                                break;
                            }
                        }
                        catch (Exception e)
                        {
                            e.ShowError();
                        }
                    }
                }
            }
        }