protected override ClipboardItem CreateNew(ClipboardSnapshot snapshot)
#endif
{
#if !NETFX_CORE
if (snapshot.HasFormat(KnownClipboardFormats.CF_UNICODETEXT)) //general text data
#else
if(snapshot.HasFormat(StandardDataFormats.Text))
#endif
{
#if !NETFX_CORE
IntPtr textPointer = snapshot.FetchDataPointer(KnownClipboardFormats.CF_UNICODETEXT);
try
{
string value = Marshal.PtrToStringUni(textPointer);
#else
var value = (string)snapshot.FetchData(StandardDataFormats.Text);
#endif
var result = new ClipboardText();
result.Text = value;
return result;
#if !NETFX_CORE
}
finally
{
if (textPointer != IntPtr.Zero)
{
Marshal.FreeHGlobal(textPointer);
}
}
#endif
}
else
{
throw new InvalidOperationException("The text format was not known");
}
}
protected override ClipboardItem CreateNew(ClipboardSnapshot snapshot)
#endif
{
try
{
if (snapshot.HasFormat(KnownClipboardFormats.CF_DIBV5))
//device independent bitmap (with transparency - yay!)
{
IntPtr pointer = IntPtr.Zero;
try
{
pointer = snapshot.FetchDataPointer(KnownClipboardFormats.CF_DIBV5);
var infoHeader =
(BITMAPV5HEADER)Marshal.PtrToStructure(pointer, typeof(BITMAPV5HEADER));
using (
var bitmap = new Bitmap((int)infoHeader.bV5Width, (int)infoHeader.bV5Height,
(int)(infoHeader.bV5SizeImage / infoHeader.bV5Height),
PixelFormat.Format32bppArgb,
new IntPtr(pointer.ToInt64() + infoHeader.bV5Size)))
{
var bitmapSource = new RenderTargetBitmap((int)infoHeader.bV5Width,
(int)infoHeader.bV5Height,
96, 96, PixelFormats.Pbgra32);
var visual = new DrawingVisual();
var drawingContext = visual.RenderOpen();
drawingContext.DrawImage(CreateBitmapSourceFromBitmap(bitmap),
new Rect(0, 0, (int)infoHeader.bV5Width,
(int)infoHeader.bV5Height));
drawingContext.Close();
bitmapSource.Render(visual);
var result = new ClipboardImage();
result.Image = bitmapSource;
return result;
}
}
finally
{
if (pointer != IntPtr.Zero)
{
Marshal.FreeHGlobal(pointer);
}
}
}
}
catch (ArgumentException)
{
//this dibv5 format was faulty. let's roll back to normal dib.
}
//TODO: do we need the below or don't we? will the above work for all formats?
if (snapshot.HasFormat(KnownClipboardFormats.CF_DIB)) //device independent bitmap
{
byte[] buffer = snapshot.FetchData(KnownClipboardFormats.CF_DIB);
var infoHeader =
ApiHelper.ByteArrayToStructure<BITMAPINFOHEADER>(buffer);
int fileHeaderSize = Marshal.SizeOf(typeof(BITMAPFILEHEADER));
int infoHeaderSize = infoHeader.biSize;
int fileSize = fileHeaderSize + infoHeader.biSize + infoHeader.biSizeImage;
var fileHeader = new BITMAPFILEHEADER();
fileHeader.bfType = BITMAPFILEHEADER.BM;
fileHeader.bfSize = fileSize;
fileHeader.bfReserved1 = 0;
fileHeader.bfReserved2 = 0;
fileHeader.bfOffBits = fileHeaderSize + infoHeaderSize + infoHeader.biClrUsed * 4;
byte[] fileHeaderBytes =
ApiHelper.StructureToByteArray(fileHeader);
var bitmapStream = new MemoryStream();
bitmapStream.Write(fileHeaderBytes, 0, fileHeaderSize);
bitmapStream.Write(buffer, 0, buffer.Length);
bitmapStream.Seek(0, SeekOrigin.Begin);
BitmapFrame bitmap = BitmapFrame.Create(bitmapStream);
var result = new ClipboardImage();
result.Image = bitmap;
return result;
}
if(snapshot.HasFormat(KnownClipboardFormats.CF_ENHMETAFILE))
{
byte[] buffer = snapshot.FetchData(KnownClipboardFormats.CF_ENHMETAFILE);
using (var memoryStream = new MemoryStream(buffer))
{
using(var metafile = new Metafile(memoryStream))
{
using (var bitmap = new Bitmap(metafile.Width, metafile.Height))
{
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.DrawImage(metafile, 0, 0);
var result = new ClipboardImage();
result.Image = CreateBitmapSourceFromBitmap(bitmap);
return result;
}
}
}
}
}
var formatResult = string.Empty;
foreach (var format in snapshot.FormatPriorities)
{
formatResult += format + ", ";
}
if (!string.IsNullOrEmpty(formatResult))
{
formatResult = formatResult.Substring(0, formatResult.Length - 2);
}
throw new InvalidOperationException("None of the image formats from " + ClipboardSource.ApplicationNameFromWindowHandle(snapshot.OutsideClipboardOwnerHandle) + " were known (" + formatResult + ")");
}
protected override ClipboardItem CreateNew(ClipboardSnapshot snapshot)
#endif
{
//does it have one or multiple files?
#if !NETFX_CORE
if (snapshot.HasFormat(KnownClipboardFormats.CF_HDROP))
#else
if(snapshot.HasFormat(StandardDataFormats.StorageItems))
#endif
{
#if !NETFX_CORE
IntPtr pointer = snapshot.FetchDataPointer(KnownClipboardFormats.CF_HDROP);
try
{
var paths = new List<string>();
//get amount of files. see http://msdn.microsoft.com/en-us/library/windows/desktop/bb776408(v=vs.85).aspx
int fileCount = DragQueryFile(pointer, -1, null, 0);
#else
var data = (IEnumerable<IStorageItem>) snapshot.FetchData(StandardDataFormats.StorageItems);
var paths = data.ToList();
int fileCount = paths.Count();
#endif
if (fileCount > 0)
{
#if !NETFX_CORE
for (int i = 0; i < fileCount; i++)
{
int fileNameLength = DragQueryFile(pointer, i, null, 0) + 1;
var fileNameBuilder = new StringBuilder(fileNameLength);
DragQueryFile(pointer, i, fileNameBuilder, fileNameBuilder.Capacity);
string fileName = fileNameBuilder.ToString();
paths.Add(fileName);
}
#endif
if (fileCount > 1)
{
var result = new ClipboardFileCollection();
result.Paths = paths;
return result;
}
else
{
var result = new ClipboardFile();
result.Path = paths.First();
result.Icon = IconHelper.GetIcon(result.Path, true, 64);
return result;
}
}
return null;
#if !NETFX_CORE
}
finally
{
if (pointer != IntPtr.Zero)
{
Marshal.FreeHGlobal(pointer);
}
}
#endif
}
else
{
throw new InvalidOperationException("Can't create file collection clipboard item when there is no recognizable file data present");
}
}