public MainWindow()
{
InitializeComponent();
System.Windows.IDataObject data = System.Windows.Clipboard.GetDataObject();
string[] formats = data.GetFormats();
#if !DEBUG
// Makes it a royal pain to debug...
this.Topmost = true;
this.ShowInTaskbar = false;
//this.CaptureButton.Visibility = Visibility.Collapsed;
#endif
new Dragger(Toolbar);
ToleranceSlider.Value = ScreenCoordinates.ColorTolerance;
ToleranceSlider.ValueChanged += delegate
{
ScreenCoordinates.ColorTolerance = ToleranceSlider.Value;
};
DataContext = this;
IntRect screenBounds = ScreenShot.FullScreenBounds;
Top = screenBounds.Top;
Left = screenBounds.Left;
Width = screenBounds.Width;
Height = screenBounds.Height;
}
protected override void OnDrop(DragEventArgs e)
{
Win32Point wp;
e.Effects = DragDropEffects.Copy;
Point p = e.GetPosition(this);
wp.x = (int)p.X;
wp.y = (int)p.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.Drop((ComIDataObject)e.Data, ref wp, (int)e.Effects);
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] files = e.Data.GetData(DataFormats.FileDrop) as string[];
this.OpenImage(files[0]);
}
System.Windows.IDataObject data = e.Data;
string[] formats = data.GetFormats();
if (formats.Contains("text/html"))
{
var obj = data.GetData("text/html");
string html = string.Empty;
if (obj is string)
{
html = (string)obj;
}
else if (obj is MemoryStream)
{
MemoryStream ms = (MemoryStream)obj;
byte[] buffer = new byte[ms.Length];
ms.Read(buffer, 0, (int)ms.Length);
if (buffer[1] == (byte)0) // Detecting unicode
{
html = System.Text.Encoding.Unicode.GetString(buffer);
}
else
{
html = System.Text.Encoding.ASCII.GetString(buffer);
}
}
// Using a regex to parse HTML, but JUST FOR THIS EXAMPLE :-)
var match = new Regex(@"<img[^>]+src=""([^""]*)""").Match(html);
if (match.Success)
{
Uri uri = new Uri(match.Groups[1].Value);
SetImageFromUri(uri);
}
}
}
/// <summary>
/// Initialize a new instance of the <see cref="FormatEnumerator"/> class.
/// </summary>
/// <param name="dataObject">The <see cref="System.Windows.IDataObject"/></param>
internal FormatEnumerator(System.Windows.IDataObject dataObject)
{
var formats = dataObject.GetFormats();
_formats = new FORMATETC[formats == null ? 0 : formats.Length];
if (formats != null)
{
for (var i = 0; i < formats.Length; i++)
{
var format = formats[i];
var temp = new FORMATETC();
temp.cfFormat = (short)DataFormats.GetDataFormat(format).Id;
temp.dwAspect = DVASPECT.DVASPECT_CONTENT;
temp.ptd = IntPtr.Zero;
temp.lindex = -1;
temp.tymed = TYMED.TYMED_HGLOBAL;
_formats[i] = temp;
}
}
}
private void Tag_Image_Drop(object sender, System.Windows.DragEventArgs e)
{
//should be a URL or a file URI
//http://stackoverflow.com/questions/8442085/receiving-an-image-dragged-from-web-page-to-wpf-window
System.Windows.IDataObject data = e.Data;
string[] formats = data.GetFormats();
object obj = null;
bool found = false;
if (formats.Contains("text/html"))
{
obj = data.GetData("text/html");
found = true;
}
else if (formats.Contains("HTML Format"))
{
obj = data.GetData("HTML Format");
found = true;
}
if (found)
{
string html = string.Empty;
if (obj is string)
{
html = (string)obj;
//remove any whitespace, linebreaks
html = html.Replace(" ", "").Replace("\r\n", "");
}
else if (obj is MemoryStream)
{
MemoryStream ms = (MemoryStream)obj;
byte[] buffer = new byte[ms.Length];
ms.Read(buffer, 0, (int)ms.Length);
if (buffer[1] == (byte)0) // Detecting unicode
{
html = System.Text.Encoding.Unicode.GetString(buffer);
}
else
{
html = System.Text.Encoding.ASCII.GetString(buffer);
}
}
// Using a basic regex to parse HTML
var match = new Regex(@"<img[^>]*src=""([^""]*)""", RegexOptions.IgnoreCase).Match(html);
if (match.Success)
{
Uri uri = new Uri(match.Groups[1].Value);
SetImageFromUri(uri);
}
else
{
// Try look for a URL to an image, encoded (thanks google image search....)
match = new Regex(@"(url|src)=[""]?(.*?)(&|"")").Match(html);
//url=http%3A%2F%2Fi.imgur.com%2FK1lxb2L.jpg&
if (match.Success)
{
bool successImg = false;
int i = 0;
while (i < match.Groups.Count && successImg == false)
{
i++;
try
{
Uri uri = new Uri(Uri.UnescapeDataString(match.Groups[i].Value));
successImg = SetImageFromUri(uri);
}
catch (Exception)
{
//probably nothing to worry about...
}
}
}
//Samples:
//< IMG width = "432" height = "432" id = "irc_mi" style = "margin-top: 0px;" onload = "typeof google==='object'&&google.aft&&google.aft(this)" alt = "Image result for Aperio Mindfield Seasons Changing" src = "https://i1.sndcdn.com/artworks-000298160676-shcuz7-t500x500.jpg" ></ A >< !--EndFragment-- ></ DIV ></ BODY ></ HTML >
//<IMGclass="n3VNCb"style="margin:0px;width:585px;height:585px;"alt="Identities2(2020,File)|Discogs"src="https://img.discogs.com/wzI0NTRfX35BLMsrm-c1gFSY-qU=/fit-in/600x600/filters:strip_icc():format(jpeg):mode_rgb():quality(90)/discogs-images/R-15423379-1591302400-6122.jpeg.jpg
}
}
}
public Stream GetStreamFromIDataObject(IDataObject dataObject)
{
var formats = dataObject.GetFormats();
if (!formats.Contains("FileGroupDescriptorW"))
{
if (!formats.Contains("FileDrop"))
{
return(null);
}
var paths = (string[])dataObject.GetData("FileDrop");
foreach (var path in paths)
{
var attr = File.GetAttributes(path);
if (attr.HasFlag(FileAttributes.Directory))
{
// To-Do
continue;
}
return(File.OpenRead(path));
}
return(null);
}
var fileGroupDescriptorStream = (MemoryStream)dataObject.GetData("FileGroupDescriptorW", true);
var fileGroupDescriptorBytes = new byte[fileGroupDescriptorStream.Length];
fileGroupDescriptorStream.Read(fileGroupDescriptorBytes, 0, fileGroupDescriptorBytes.Length);
fileGroupDescriptorStream.Close();
var fileGroupDescriptorWPointer = Marshal.AllocHGlobal(fileGroupDescriptorBytes.Length);
Marshal.Copy(fileGroupDescriptorBytes, 0, fileGroupDescriptorWPointer, fileGroupDescriptorBytes.Length);
var fileGroupDescriptorObject = Marshal.PtrToStructure(fileGroupDescriptorWPointer, typeof(FileGroupDescriptor));
var fileGroupDescriptor = (FileGroupDescriptor)fileGroupDescriptorObject;
var fileNames = new string[fileGroupDescriptor.cItems];
var fileDescriptorPointer = (IntPtr)((int)fileGroupDescriptorWPointer + Marshal.SizeOf(fileGroupDescriptor.cItems));
for (int fileDescriptorIndex = 0; fileDescriptorIndex < fileGroupDescriptor.cItems; fileDescriptorIndex++)
{
var fileDescriptor = (FileDescriptor)Marshal.PtrToStructure(fileDescriptorPointer, typeof(FileDescriptor));
fileNames[fileDescriptorIndex] = fileDescriptor.cFileName;
fileDescriptorPointer = (IntPtr)((int)fileDescriptorPointer + Marshal.SizeOf(fileDescriptor));
}
Marshal.FreeHGlobal(fileGroupDescriptorWPointer);
var comDataObject = (System.Runtime.InteropServices.ComTypes.IDataObject)dataObject;
var dataFormat = DataFormats.GetDataFormat("FileContents");
for (int i = 0; i < fileGroupDescriptor.cItems; i++)
{
var format = new FORMATETC();
format.cfFormat = (short)dataFormat.Id;
format.dwAspect = DVASPECT.DVASPECT_CONTENT;
format.lindex = i;
format.tymed = TYMED.TYMED_ISTREAM | TYMED.TYMED_HGLOBAL | TYMED.TYMED_ISTORAGE | TYMED.TYMED_FILE;
var medium = new STGMEDIUM();
comDataObject.GetData(ref format, out medium);
if (medium.tymed == TYMED.TYMED_HGLOBAL)
{
var handle = medium.unionmember;
var pointer = GlobalLock(handle);
var size = GlobalSize(handle);
var bytes = new byte[size];
Marshal.Copy(pointer, bytes, 0, size);
var index = 0;
var serializedObjectID = new Guid("FD9EA796-3B13-4370-A679-56106BB288FB").ToByteArray();
var isSerializedObject = false;
if (size > serializedObjectID.Length)
{
isSerializedObject = true;
for (int j = 0; j < serializedObjectID.Length; j++)
{
if (serializedObjectID[j] != bytes[j])
{
isSerializedObject = false;
break;
}
}
if (isSerializedObject)
{
index = serializedObjectID.Length;
}
}
GlobalUnlock(handle);
var memoryStream = new MemoryStream(bytes, index, bytes.Length - index);
if (isSerializedObject)
{
var formatter = new BinaryFormatter();
formatter.AssemblyFormat = FormatterAssemblyStyle.Simple;
var deserializedObject = formatter.Deserialize(memoryStream);
}
return(memoryStream);
}
if (medium.tymed == TYMED.TYMED_ISTREAM)
{
var iStream = (IStream)Marshal.GetObjectForIUnknown(medium.unionmember);
Marshal.Release(medium.unionmember);
var iStreamStat = new STATSTG();
iStream.Stat(out iStreamStat, 0);
var iStreamSize = (int)iStreamStat.cbSize;
var iStreamContent = new byte[iStreamSize];
iStream.Read(iStreamContent, iStreamContent.Length, IntPtr.Zero);
Marshal.ReleaseComObject(iStream);
return(new MemoryStream(iStreamContent));
}
}
return(null);
}
private void Tag_Image_Drop(object sender, System.Windows.DragEventArgs e)
{
//should be a URL or a file URI
//http://stackoverflow.com/questions/8442085/receiving-an-image-dragged-from-web-page-to-wpf-window
System.Windows.IDataObject data = e.Data;
string[] formats = data.GetFormats();
object obj = null;
bool found = false;
if (formats.Contains("text/html"))
{
obj = data.GetData("text/html");
found = true;
}
else if (formats.Contains("HTML Format"))
{
obj = data.GetData("HTML Format");
found = true;
}
if (found)
{
string html = string.Empty;
if (obj is string)
{
html = (string)obj;
}
else if (obj is MemoryStream)
{
MemoryStream ms = (MemoryStream)obj;
byte[] buffer = new byte[ms.Length];
ms.Read(buffer, 0, (int)ms.Length);
if (buffer[1] == (byte)0) // Detecting unicode
{
html = System.Text.Encoding.Unicode.GetString(buffer);
}
else
{
html = System.Text.Encoding.ASCII.GetString(buffer);
}
}
// Using a regex to parse HTML, but JUST FOR THIS EXAMPLE :-)
var match = new Regex(@"<img[^/]src=""([^""]*)""").Match(html);
if (match.Success)
{
Uri uri = new Uri(match.Groups[1].Value);
SetImageFromUri(uri);
}
else
{
// Try look for a URL to an image, encoded (thanks google image search....)
match = new Regex(@"url=(.*?)&").Match(html);
//url=http%3A%2F%2Fi.imgur.com%2FK1lxb2L.jpg&
if (match.Success)
{
Uri uri = new Uri(Uri.UnescapeDataString(match.Groups[1].Value));
SetImageFromUri(uri);
}
}
}
}
