/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Greenshot.IniFile;
using Greenshot.Plugin;
using GreenshotPlugin.UnmanagedHelpers;
using System.Runtime.InteropServices;
using log4net;
namespace GreenshotPlugin.Core {
///
/// Description of ClipboardHelper.
///
public static class ClipboardHelper {
private static readonly ILog Log = LogManager.GetLogger(typeof(ClipboardHelper));
private static readonly object ClipboardLockObject = new object();
private static readonly CoreConfiguration CoreConfig = IniConfig.GetIniSection();
private static readonly string FORMAT_FILECONTENTS = "FileContents";
private static readonly string FORMAT_PNG = "PNG";
private static readonly string FORMAT_PNG_OFFICEART = "PNG+Office Art";
private static readonly string FORMAT_17 = "Format17";
private static readonly string FORMAT_JPG = "JPG";
private static readonly string FORMAT_JFIF = "JFIF";
private static readonly string FORMAT_JFIF_OFFICEART = "JFIF+Office Art";
private static readonly string FORMAT_GIF = "GIF";
private static readonly string FORMAT_BITMAP = "System.Drawing.Bitmap";
//private static readonly string FORMAT_HTML = "HTML Format";
// Template for the HTML Text on the clipboard
// see: http://msdn.microsoft.com/en-us/library/ms649015%28v=vs.85%29.aspx
// or: http://msdn.microsoft.com/en-us/library/Aa767917.aspx
private const string HtmlClipboardString = @"Version:0.9
StartHTML:<<<<<<<1
EndHTML:<<<<<<<2
StartFragment:<<<<<<<3
EndFragment:<<<<<<<4
StartSelection:<<<<<<<3
EndSelection:<<<<<<<4
Greenshot capture
";
private const string HtmlClipboardBase64String = @"Version:0.9
StartHTML:<<<<<<<1
EndHTML:<<<<<<<2
StartFragment:<<<<<<<3
EndFragment:<<<<<<<4
StartSelection:<<<<<<<3
EndSelection:<<<<<<<4
Greenshot capture
";
///
/// Get the current "ClipboardOwner" but only if it isn't us!
///
/// current clipboard owner
private static string GetClipboardOwner() {
string owner = null;
try {
IntPtr hWnd = User32.GetClipboardOwner();
if (hWnd != IntPtr.Zero) {
try
{
int pid;
User32.GetWindowThreadProcessId(hWnd, out pid);
using (Process me = Process.GetCurrentProcess())
using (Process ownerProcess = Process.GetProcessById(pid))
{
// Exclude myself
if (me.Id != ownerProcess.Id)
{
// Get Process Name
owner = ownerProcess.ProcessName;
// Try to get the starting Process Filename, this might fail.
try
{
owner = ownerProcess.Modules[0].FileName;
}
catch (Exception)
{
// Ignore
}
}
}
}
catch(Exception e)
{
Log.Warn("Non critical error: Couldn't get clipboard process, trying to use the title.", e);
var title = new StringBuilder(260, 260);
User32.GetWindowText(hWnd, title, title.Capacity);
owner = title.ToString();
}
}
} catch (Exception e) {
Log.Warn("Non critical error: Couldn't get clipboard owner.", e);
}
return owner;
}
///
/// The SetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
/// The bool "copy" is used to decided if the information stays on the clipboard after exit.
///
///
///
private static void SetDataObject(IDataObject ido, bool copy) {
lock (ClipboardLockObject) {
// Clear first, this seems to solve some issues
try
{
Clipboard.Clear();
}
catch (Exception clearException)
{
Log.Warn(clearException.Message);
}
try
{
// For BUG-1935 this was changed from looping ourselfs, or letting MS retry...
Clipboard.SetDataObject(ido, copy, 15, 200);
}
catch (Exception clipboardSetException)
{
string messageText;
string clipboardOwner = GetClipboardOwner();
if (clipboardOwner != null)
{
messageText = Language.GetFormattedString("clipboard_inuse", clipboardOwner);
}
else {
messageText = Language.GetString("clipboard_error");
}
Log.Error(messageText, clipboardSetException);
}
}
}
///
/// The GetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
///
public static IDataObject GetDataObject() {
lock (ClipboardLockObject) {
int retryCount = 2;
while (retryCount >= 0) {
try {
return Clipboard.GetDataObject();
} catch (Exception ee) {
if (retryCount == 0) {
string messageText;
string clipboardOwner = GetClipboardOwner();
if (clipboardOwner != null) {
messageText = Language.GetFormattedString("clipboard_inuse", clipboardOwner);
} else {
messageText = Language.GetString("clipboard_error");
}
Log.Error(messageText, ee);
} else {
Thread.Sleep(100);
}
} finally {
--retryCount;
}
}
}
return null;
}
///
/// Wrapper for Clipboard.ContainsText, Created for Bug #3432313
///
/// boolean if there is text on the clipboard
public static bool ContainsText() {
IDataObject clipboardData = GetDataObject();
return ContainsText(clipboardData);
}
///
/// Test if the IDataObject contains Text
///
///
///
public static bool ContainsText(IDataObject dataObject) {
if (dataObject != null) {
if (dataObject.GetDataPresent(DataFormats.Text) || dataObject.GetDataPresent(DataFormats.UnicodeText)) {
return true;
}
}
return false;
}
///
/// Wrapper for Clipboard.ContainsImage, specialized for Greenshot, Created for Bug #3432313
///
/// boolean if there is an image on the clipboard
public static bool ContainsImage() {
IDataObject clipboardData = GetDataObject();
return ContainsImage(clipboardData);
}
///
/// Check if the IDataObject has an image
///
///
/// true if an image is there
public static bool ContainsImage(IDataObject dataObject) {
if (dataObject != null) {
if (dataObject.GetDataPresent(DataFormats.Bitmap)
|| dataObject.GetDataPresent(DataFormats.Dib)
|| dataObject.GetDataPresent(DataFormats.Tiff)
|| dataObject.GetDataPresent(DataFormats.EnhancedMetafile)
|| dataObject.GetDataPresent(FORMAT_PNG)
|| dataObject.GetDataPresent(FORMAT_17)
|| dataObject.GetDataPresent(FORMAT_JPG)
|| dataObject.GetDataPresent(FORMAT_GIF)) {
return true;
}
List imageFiles = GetImageFilenames(dataObject);
if (imageFiles != null && imageFiles.Count > 0) {
return true;
}
if (dataObject.GetDataPresent(FORMAT_FILECONTENTS)) {
try {
MemoryStream imageStream = dataObject.GetData(FORMAT_FILECONTENTS) as MemoryStream;
if (IsValidStream(imageStream)) {
using (ImageHelper.FromStream(imageStream))
{
// If we get here, there is an image
return true;
}
}
} catch (Exception) {
// Ignore
}
}
}
return false;
}
///
/// Simple helper to check the stream
///
///
///
private static bool IsValidStream(MemoryStream memoryStream) {
return memoryStream != null && memoryStream.Length > 0;
}
///
/// Wrapper for Clipboard.GetImage, Created for Bug #3432313
///
/// Image if there is an image on the clipboard
public static Image GetImage() {
IDataObject clipboardData = GetDataObject();
// Return the first image
foreach (Image clipboardImage in GetImages(clipboardData)) {
return clipboardImage;
}
return null;
}
///
/// Get all images (multiple if filenames are available) from the dataObject
/// Returned images must be disposed by the calling code!
///
///
/// IEnumerable of Image
public static IEnumerable GetImages(IDataObject dataObject) {
// Get single image, this takes the "best" match
Image singleImage = GetImage(dataObject);
if (singleImage != null) {
Log.InfoFormat("Got image from clipboard with size {0} and format {1}", singleImage.Size, singleImage.PixelFormat);
yield return singleImage;
} else {
// check if files are supplied
List imageFiles = GetImageFilenames(dataObject);
if (imageFiles != null) {
foreach (string imageFile in imageFiles) {
Image returnImage = null;
try {
returnImage = ImageHelper.LoadImage(imageFile);
} catch (Exception streamImageEx) {
Log.Error("Problem retrieving Image from clipboard.", streamImageEx);
}
if (returnImage != null) {
Log.InfoFormat("Got image from clipboard with size {0} and format {1}", returnImage.Size, returnImage.PixelFormat);
yield return returnImage;
}
}
}
}
}
///
/// Get an Image from the IDataObject, don't check for FileDrop
///
///
/// Image or null
private static Image GetImage(IDataObject dataObject) {
Image returnImage = null;
if (dataObject != null) {
IList formats = GetFormats(dataObject);
string[] retrieveFormats;
// Found a weird bug, where PNG's from Outlook 2010 are clipped
// So I build some special logik to get the best format:
if (formats != null && formats.Contains(FORMAT_PNG_OFFICEART) && formats.Contains(DataFormats.Dib)) {
// Outlook ??
Log.Info("Most likely the current clipboard contents come from Outlook, as this has a problem with PNG and others we place the DIB format to the front...");
retrieveFormats = new[] { DataFormats.Dib, FORMAT_BITMAP, FORMAT_FILECONTENTS, FORMAT_PNG_OFFICEART, FORMAT_PNG, FORMAT_JFIF_OFFICEART, FORMAT_JPG, FORMAT_JFIF, DataFormats.Tiff, FORMAT_GIF };
} else {
retrieveFormats = new[] { FORMAT_PNG_OFFICEART, FORMAT_PNG, FORMAT_17, FORMAT_JFIF_OFFICEART, FORMAT_JPG, FORMAT_JFIF, DataFormats.Tiff, DataFormats.Dib, FORMAT_BITMAP, FORMAT_FILECONTENTS, FORMAT_GIF };
}
foreach (string currentFormat in retrieveFormats) {
if (formats.Contains(currentFormat)) {
Log.InfoFormat("Found {0}, trying to retrieve.", currentFormat);
returnImage = GetImageForFormat(currentFormat, dataObject);
} else {
Log.DebugFormat("Couldn't find format {0}.", currentFormat);
}
if (returnImage != null) {
return returnImage;
}
}
}
return null;
}
///
/// Helper method to try to get an image in the specified format from the dataObject
/// the DIB reader should solve some issues
/// It also supports Format17/DibV5, by using the following information: http://stackoverflow.com/a/14335591
///
/// string with the format
/// IDataObject
/// Image or null
private static Image GetImageForFormat(string format, IDataObject dataObject) {
object clipboardObject = GetFromDataObject(dataObject, format);
MemoryStream imageStream = clipboardObject as MemoryStream;
if (!IsValidStream(imageStream)) {
// TODO: add "HTML Format" support here...
return clipboardObject as Image;
}
if (CoreConfig.EnableSpecialDIBClipboardReader) {
if (format == FORMAT_17 || format == DataFormats.Dib) {
Log.Info("Found DIB stream, trying to process it.");
try {
byte[] dibBuffer = new byte[imageStream.Length];
imageStream.Read(dibBuffer, 0, dibBuffer.Length);
BITMAPINFOHEADER infoHeader = BinaryStructHelper.FromByteArray(dibBuffer);
if (!infoHeader.IsDibV5) {
Log.InfoFormat("Using special DIB
/// Wrapper for Clipboard.GetText created for Bug #3432313
///
/// string if there is text on the clipboard
public static string GetText() {
return GetText(GetDataObject());
}
///
/// Get Text from the DataObject
///
/// string if there is text on the clipboard
public static string GetText(IDataObject dataObject) {
if (ContainsText(dataObject)) {
return (string)dataObject.GetData(DataFormats.Text);
}
return null;
}
///
/// Set text to the clipboard
///
///
public static void SetClipboardData(string text) {
IDataObject ido = new DataObject();
ido.SetData(DataFormats.Text, true, text);
SetDataObject(ido, true);
}
private static string GetHtmlString(ISurface surface, string filename) {
string utf8EncodedHtmlString = Encoding.GetEncoding(0).GetString(Encoding.UTF8.GetBytes(HtmlClipboardString));
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${width}", surface.Image.Width.ToString());
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${height}", surface.Image.Height.ToString());
utf8EncodedHtmlString= utf8EncodedHtmlString.Replace("${file}", filename.Replace("\\","/"));
StringBuilder sb=new StringBuilder();
sb.Append(utf8EncodedHtmlString);
sb.Replace("<<<<<<<1", (utf8EncodedHtmlString.IndexOf("") + "".Length).ToString("D8"));
sb.Replace("<<<<<<<2", (utf8EncodedHtmlString.IndexOf("")).ToString("D8"));
sb.Replace("<<<<<<<3", (utf8EncodedHtmlString.IndexOf("")+"".Length).ToString("D8"));
sb.Replace("<<<<<<<4", (utf8EncodedHtmlString.IndexOf("")).ToString("D8"));
return sb.ToString();
}
private static string GetHtmlDataUrlString(ISurface surface, MemoryStream pngStream) {
string utf8EncodedHtmlString = Encoding.GetEncoding(0).GetString(Encoding.UTF8.GetBytes(HtmlClipboardBase64String));
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${width}", surface.Image.Width.ToString());
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${height}", surface.Image.Height.ToString());
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${format}", "png");
utf8EncodedHtmlString = utf8EncodedHtmlString.Replace("${data}", Convert.ToBase64String(pngStream.GetBuffer(),0, (int)pngStream.Length));
StringBuilder sb=new StringBuilder();
sb.Append(utf8EncodedHtmlString);
sb.Replace("<<<<<<<1", (utf8EncodedHtmlString.IndexOf("") + "".Length).ToString("D8"));
sb.Replace("<<<<<<<2", (utf8EncodedHtmlString.IndexOf("")).ToString("D8"));
sb.Replace("<<<<<<<3", (utf8EncodedHtmlString.IndexOf("")+"".Length).ToString("D8"));
sb.Replace("<<<<<<<4", (utf8EncodedHtmlString.IndexOf("")).ToString("D8"));
return sb.ToString();
}
///
/// Set an Image to the clipboard
/// This method will place images to the clipboard depending on the ClipboardFormats setting.
/// e.g. Bitmap which works with pretty much everything and type Dib for e.g. OpenOffice
/// because OpenOffice has a bug http://qa.openoffice.org/issues/show_bug.cgi?id=85661
/// The Dib (Device Indenpendend Bitmap) in 32bpp actually won't work with Powerpoint 2003!
/// When pasting a Dib in PP 2003 the Bitmap is somehow shifted left!
/// For this problem the user should not use the direct paste (=Dib), but select Bitmap
///
private const int BITMAPFILEHEADER_LENGTH = 14;
public static void SetClipboardData(ISurface surface) {
DataObject dataObject = new DataObject();
// This will work for Office and most other applications
//ido.SetData(DataFormats.Bitmap, true, image);
MemoryStream dibStream = null;
MemoryStream dibV5Stream = null;
MemoryStream pngStream = null;
Image imageToSave = null;
bool disposeImage = false;
try {
SurfaceOutputSettings outputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
// Create the image which is going to be saved so we don't create it multiple times
disposeImage = ImageOutput.CreateImageFromSurface(surface, outputSettings, out imageToSave);
try {
// Create PNG stream
if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.PNG)) {
pngStream = new MemoryStream();
// PNG works for e.g. Powerpoint
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
ImageOutput.SaveToStream(imageToSave, null, pngStream, pngOutputSettings);
pngStream.Seek(0, SeekOrigin.Begin);
// Set the PNG stream
dataObject.SetData(FORMAT_PNG, false, pngStream);
}
} catch (Exception pngEX) {
Log.Error("Error creating PNG for the Clipboard.", pngEX);
}
try {
if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.DIB)) {
using (MemoryStream tmpBmpStream = new MemoryStream()) {
// Save image as BMP
SurfaceOutputSettings bmpOutputSettings = new SurfaceOutputSettings(OutputFormat.bmp, 100, false);
ImageOutput.SaveToStream(imageToSave, null, tmpBmpStream, bmpOutputSettings);
dibStream = new MemoryStream();
// Copy the source, but skip the "BITMAPFILEHEADER" which has a size of 14
dibStream.Write(tmpBmpStream.GetBuffer(), BITMAPFILEHEADER_LENGTH, (int)tmpBmpStream.Length - BITMAPFILEHEADER_LENGTH);
}
// Set the DIB to the clipboard DataObject
dataObject.SetData(DataFormats.Dib, true, dibStream);
}
} catch (Exception dibEx) {
Log.Error("Error creating DIB for the Clipboard.", dibEx);
}
// CF_DibV5
try {
if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.DIBV5)) {
// Create the stream for the clipboard
dibV5Stream = new MemoryStream();
// Create the BITMAPINFOHEADER
BITMAPINFOHEADER header = new BITMAPINFOHEADER(imageToSave.Width, imageToSave.Height, 32)
{
// Make sure we have BI_BITFIELDS, this seems to be normal for Format17?
biCompression = BI_COMPRESSION.BI_BITFIELDS
};
// Create a byte[] to write
byte[] headerBytes = BinaryStructHelper.ToByteArray(header);
// Write the BITMAPINFOHEADER to the stream
dibV5Stream.Write(headerBytes, 0, headerBytes.Length);
// As we have specified BI_COMPRESSION.BI_BITFIELDS, the BitfieldColorMask needs to be added
BitfieldColorMask colorMask = new BitfieldColorMask();
// Make sure the values are set
colorMask.InitValues();
// Create the byte[] from the struct
byte[] colorMaskBytes = BinaryStructHelper.ToByteArray(colorMask);
Array.Reverse(colorMaskBytes);
// Write to the stream
dibV5Stream.Write(colorMaskBytes, 0, colorMaskBytes.Length);
// Create the raw bytes for the pixels only
byte[] bitmapBytes = BitmapToByteArray((Bitmap)imageToSave);
// Write to the stream
dibV5Stream.Write(bitmapBytes, 0, bitmapBytes.Length);
// Set the DIBv5 to the clipboard DataObject
dataObject.SetData(FORMAT_17, true, dibV5Stream);
}
} catch (Exception dibEx) {
Log.Error("Error creating DIB for the Clipboard.", dibEx);
}
// Set the HTML
if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.HTML)) {
string tmpFile = ImageOutput.SaveToTmpFile(surface, new SurfaceOutputSettings(OutputFormat.png, 100, false), null);
string html = GetHtmlString(surface, tmpFile);
dataObject.SetText(html, TextDataFormat.Html);
} else if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.HTMLDATAURL)) {
string html;
using (MemoryStream tmpPngStream = new MemoryStream()) {
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false)
{
// Do not allow to reduce the colors, some applications dislike 256 color images
// reported with bug #3594681
DisableReduceColors = true
};
// Check if we can use the previously used image
if (imageToSave.PixelFormat != PixelFormat.Format8bppIndexed) {
ImageOutput.SaveToStream(imageToSave, surface, tmpPngStream, pngOutputSettings);
} else {
ImageOutput.SaveToStream(surface, tmpPngStream, pngOutputSettings);
}
html = GetHtmlDataUrlString(surface, tmpPngStream);
}
dataObject.SetText(html, TextDataFormat.Html);
}
} finally {
// we need to use the SetDataOject before the streams are closed otherwise the buffer will be gone!
// Check if Bitmap is wanted
if (CoreConfig.ClipboardFormats.Contains(ClipboardFormat.BITMAP)) {
dataObject.SetImage(imageToSave);
// Place the DataObject to the clipboard
SetDataObject(dataObject, true);
} else {
// Place the DataObject to the clipboard
SetDataObject(dataObject, true);
}
if (pngStream != null) {
pngStream.Dispose();
pngStream = null;
}
if (dibStream != null) {
dibStream.Dispose();
dibStream = null;
}
if (dibV5Stream != null) {
dibV5Stream.Dispose();
dibV5Stream = null;
}
// cleanup if needed
if (disposeImage) {
imageToSave?.Dispose();
}
}
}
///
/// Helper method so get the bitmap bytes
/// See: http://stackoverflow.com/a/6570155
///
/// Bitmap
/// byte[]
private static byte[] BitmapToByteArray(Bitmap bitmap) {
// Lock the bitmap's bits.
Rectangle rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bmpData = bitmap.LockBits(rect, ImageLockMode.ReadOnly, bitmap.PixelFormat);
int absStride = Math.Abs(bmpData.Stride);
int bytes = absStride * bitmap.Height;
long ptr = bmpData.Scan0.ToInt32();
// Declare an array to hold the bytes of the bitmap.
byte[] rgbValues = new byte[bytes];
for (int i = 0; i < bitmap.Height; i++) {
IntPtr pointer = new IntPtr(ptr + (bmpData.Stride * i));
Marshal.Copy(pointer, rgbValues, absStride * (bitmap.Height - i - 1), absStride);
}
// Unlock the bits.
bitmap.UnlockBits(bmpData);
return rgbValues;
}
///
/// Set Object with type Type to the clipboard
///
/// Type
/// object
public static void SetClipboardData(Type type, object obj) {
DataFormats.Format format = DataFormats.GetFormat(type.FullName);
//now copy to clipboard
IDataObject dataObj = new DataObject();
dataObj.SetData(format.Name, false, obj);
// Use false to make the object dissapear when the application stops.
SetDataObject(dataObj, true);
}
///
/// Retrieve a list of all formats currently on the clipboard
///
/// List of strings with the current formats
public static List GetFormats() {
return GetFormats(GetDataObject());
}
///
/// Retrieve a list of all formats currently in the IDataObject
///
/// List of string with the current formats
public static List GetFormats(IDataObject dataObj) {
string[] formats = null;
if (dataObj != null) {
formats = dataObj.GetFormats();
}
if (formats != null) {
Log.DebugFormat("Got clipboard formats: {0}", string.Join(",", formats));
return new List(formats);
}
return new List();
}
///
/// Check if there is currently something in the dataObject which has the supplied format
///
/// string with format
/// true if one the format is found
public static bool ContainsFormat(string format) {
return ContainsFormat(GetDataObject(), new[]{format});
}
///
/// Check if there is currently something on the clipboard which has the supplied format
///
/// IDataObject
/// string with format
/// true if one the format is found
public static bool ContainsFormat(IDataObject dataObject, string format) {
return ContainsFormat(dataObject, new[] { format });
}
///
/// Check if there is currently something on the clipboard which has one of the supplied formats
///
/// string[] with formats
/// true if one of the formats was found
public static bool ContainsFormat(string[] formats) {
return ContainsFormat(GetDataObject(), formats);
}
///
/// Check if there is currently something on the clipboard which has one of the supplied formats
///
/// IDataObject
/// string[] with formats
/// true if one of the formats was found
public static bool ContainsFormat(IDataObject dataObject, string[] formats) {
bool formatFound = false;
List currentFormats = GetFormats(dataObject);
if (currentFormats == null || currentFormats.Count == 0 || formats == null || formats.Length == 0) {
return false;
}
foreach (string format in formats) {
if (currentFormats.Contains(format)) {
formatFound = true;
break;
}
}
return formatFound;
}
///
/// Get Object of type Type from the clipboard
///
/// Type to get
/// object from clipboard
public static object GetClipboardData(Type type) {
string format = type.FullName;
return GetClipboardData(format);
}
///
/// Get Object for format from IDataObject
///
/// IDataObject
/// Type to get
/// object from IDataObject
public static object GetFromDataObject(IDataObject dataObj, Type type) {
if (type != null) {
return GetFromDataObject(dataObj, type.FullName);
}
return null;
}
///
/// Get ImageFilenames from the IDataObject
///
/// IDataObject
///
public static List GetImageFilenames(IDataObject dataObject) {
List filenames = new List();
string[] dropFileNames = (string[]) dataObject.GetData(DataFormats.FileDrop);
try {
if (dropFileNames != null && dropFileNames.Length > 0) {
foreach (string filename in dropFileNames) {
string ext = Path.GetExtension(filename).ToLower();
if ((ext == ".jpg") || (ext == ".jpeg") || (ext == ".tiff") || (ext == ".gif") || (ext == ".png") || (ext == ".bmp") || (ext == ".ico") || (ext == ".wmf")) {
filenames.Add(filename);
}
}
}
} catch (Exception ex) {
Log.Warn("Ignoring an issue with getting the dropFilenames from the clipboard: ", ex);
}
return filenames;
}
///
/// Get Object for format from IDataObject
///
/// IDataObject
/// format to get
/// object from IDataObject
public static object GetFromDataObject(IDataObject dataObj, string format) {
if (dataObj != null) {
try {
return dataObj.GetData(format);
} catch (Exception e) {
Log.Error("Error in GetClipboardData.", e);
}
}
return null;
}
///
/// Get Object for format from the clipboard
///
/// format to get
/// object from clipboard
public static object GetClipboardData(string format) {
return GetFromDataObject(GetDataObject(), format);
}
}
}