mirror of
https://github.com/ShareX/ShareX.git
synced 2024-07-04 22:21:23 +12:00
2c35af0592
Merge commits from Greenshot up through bd71f47e95a46642fe6a83bdd76cc4d2a7eed7c2. Some bug fixes, but mostly structural cleanup.
1006 lines
42 KiB
C#
1006 lines
42 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Greenshot.IniFile;
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using Greenshot.Plugin;
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using GreenshotPlugin.UnmanagedHelpers;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Windows.Forms;
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namespace GreenshotPlugin.Core
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{
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/// <summary>
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/// Description of ClipboardHelper.
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/// </summary>
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public static class ClipboardHelper
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{
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private static readonly Object clipboardLockObject = new Object();
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private static readonly CoreConfiguration config = IniConfig.GetIniSection<CoreConfiguration>();
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private static readonly string FORMAT_FILECONTENTS = "FileContents";
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private static readonly string FORMAT_PNG = "PNG";
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private static readonly string FORMAT_PNG_OFFICEART = "PNG+Office Art";
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private static readonly string FORMAT_17 = "Format17";
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private static readonly string FORMAT_JPG = "JPG";
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private static readonly string FORMAT_JFIF = "JFIF";
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private static readonly string FORMAT_JFIF_OFFICEART = "JFIF+Office Art";
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private static readonly string FORMAT_GIF = "GIF";
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private static readonly string FORMAT_BITMAP = "System.Drawing.Bitmap";
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//private static readonly string FORMAT_HTML = "HTML Format";
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private static IntPtr nextClipboardViewer = IntPtr.Zero;
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// Template for the HTML Text on the clipboard
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// see: http://msdn.microsoft.com/en-us/library/ms649015%28v=vs.85%29.aspx
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// or: http://msdn.microsoft.com/en-us/library/Aa767917.aspx
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private const string HTML_CLIPBOARD_STRING = @"Version:0.9
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StartHTML:<<<<<<<1
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EndHTML:<<<<<<<2
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StartFragment:<<<<<<<3
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EndFragment:<<<<<<<4
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StartSelection:<<<<<<<3
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EndSelection:<<<<<<<4
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<!DOCTYPE>
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<HTML>
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<HEAD>
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<TITLE>Greenshot capture</TITLE>
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</HEAD>
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<BODY>
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<!--StartFragment -->
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<img border='0' src='file:///${file}' width='${width}' height='${height}'>
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<!--EndFragment -->
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</BODY>
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</HTML>";
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private const string HTML_CLIPBOARD_BASE64_STRING = @"Version:0.9
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StartHTML:<<<<<<<1
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EndHTML:<<<<<<<2
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StartFragment:<<<<<<<3
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EndFragment:<<<<<<<4
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StartSelection:<<<<<<<3
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EndSelection:<<<<<<<4
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<!DOCTYPE>
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<HTML>
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<HEAD>
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<TITLE>Greenshot capture</TITLE>
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</HEAD>
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<BODY>
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<!--StartFragment -->
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<img border='0' src='data:image/${format};base64,${data}' width='${width}' height='${height}'>
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<!--EndFragment -->
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</BODY>
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</HTML>";
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/// <summary>
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/// Get the current "ClipboardOwner" but only if it isn't us!
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/// </summary>
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/// <returns>current clipboard owner</returns>
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private static string GetClipboardOwner()
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{
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string owner = null;
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try
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{
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IntPtr hWnd = User32.GetClipboardOwner();
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if (hWnd != IntPtr.Zero)
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{
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int pid;
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User32.GetWindowThreadProcessId(hWnd, out pid);
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using (Process me = Process.GetCurrentProcess())
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using (Process ownerProcess = Process.GetProcessById(pid))
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{
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// Exclude myself
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if (ownerProcess != null && me.Id != ownerProcess.Id)
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{
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// Get Process Name
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owner = ownerProcess.ProcessName;
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// Try to get the starting Process Filename, this might fail.
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try
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{
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owner = ownerProcess.Modules[0].FileName;
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}
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catch (Exception)
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{
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}
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}
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}
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}
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}
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catch (Exception e)
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{
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LOG.Warn("Non critical error: Couldn't get clipboard owner.", e);
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}
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return owner;
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}
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/// <summary>
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/// The SetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
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/// The bool "copy" is used to decided if the information stays on the clipboard after exit.
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/// </summary>
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/// <param name="ido"></param>
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/// <param name="copy"></param>
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private static void SetDataObject(IDataObject ido, bool copy)
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{
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lock (clipboardLockObject)
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{
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int retryCount = 5;
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while (retryCount >= 0)
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{
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try
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{
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Clipboard.SetDataObject(ido, copy);
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break;
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}
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catch (Exception ee)
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{
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if (retryCount == 0)
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{
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string messageText = null;
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string clipboardOwner = GetClipboardOwner();
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if (clipboardOwner != null)
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{
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messageText = string.Format("Greenshot wasn't able to write to the clipboard as the process {0} blocked the access.", clipboardOwner);
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}
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else
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{
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messageText = "An unexpected error occured while writing to the clipboard.";
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}
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LOG.Error(messageText, ee);
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}
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else
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{
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Thread.Sleep(100);
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}
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}
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finally
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{
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--retryCount;
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}
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}
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}
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}
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/// <summary>
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/// The GetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
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/// </summary>
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public static IDataObject GetDataObject()
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{
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lock (clipboardLockObject)
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{
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int retryCount = 2;
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while (retryCount >= 0)
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{
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try
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{
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return Clipboard.GetDataObject();
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}
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catch (Exception ee)
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{
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if (retryCount == 0)
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{
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string messageText = null;
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string clipboardOwner = GetClipboardOwner();
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if (clipboardOwner != null)
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{
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messageText = string.Format("Greenshot wasn't able to write to the clipboard as the process {0} blocked the access.", clipboardOwner);
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}
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else
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{
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messageText = "An unexpected error occured while writing to the clipboard.";
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}
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LOG.Error(messageText, ee);
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}
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else
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{
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Thread.Sleep(100);
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}
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}
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finally
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{
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--retryCount;
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}
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}
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}
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return null;
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}
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/// <summary>
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/// Wrapper for Clipboard.ContainsText, Created for Bug #3432313
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/// </summary>
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/// <returns>boolean if there is text on the clipboard</returns>
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public static bool ContainsText()
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{
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IDataObject clipboardData = GetDataObject();
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return ContainsText(clipboardData);
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}
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/// <summary>
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/// Test if the IDataObject contains Text
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns></returns>
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public static bool ContainsText(IDataObject dataObject)
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{
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if (dataObject != null)
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{
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if (dataObject.GetDataPresent(DataFormats.Text) || dataObject.GetDataPresent(DataFormats.UnicodeText))
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{
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Wrapper for Clipboard.ContainsImage, specialized for Greenshot, Created for Bug #3432313
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/// </summary>
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/// <returns>boolean if there is an image on the clipboard</returns>
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public static bool ContainsImage()
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{
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IDataObject clipboardData = GetDataObject();
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return ContainsImage(clipboardData);
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}
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/// <summary>
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/// Check if the IDataObject has an image
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns>true if an image is there</returns>
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public static bool ContainsImage(IDataObject dataObject)
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{
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if (dataObject != null)
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{
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if (dataObject.GetDataPresent(DataFormats.Bitmap)
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|| dataObject.GetDataPresent(DataFormats.Dib)
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|| dataObject.GetDataPresent(DataFormats.Tiff)
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|| dataObject.GetDataPresent(DataFormats.EnhancedMetafile)
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|| dataObject.GetDataPresent(FORMAT_PNG)
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|| dataObject.GetDataPresent(FORMAT_17)
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|| dataObject.GetDataPresent(FORMAT_JPG)
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|| dataObject.GetDataPresent(FORMAT_GIF))
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{
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return true;
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}
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List<string> imageFiles = GetImageFilenames(dataObject);
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if (imageFiles != null && imageFiles.Count > 0)
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{
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return true;
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}
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if (dataObject.GetDataPresent(FORMAT_FILECONTENTS))
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{
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try
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{
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MemoryStream imageStream = dataObject.GetData(FORMAT_FILECONTENTS) as MemoryStream;
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if (isValidStream(imageStream))
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{
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using (Image tmpImage = Image.FromStream(imageStream))
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{
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// If we get here, there is an image
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return true;
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}
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}
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}
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catch (Exception)
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{
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}
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}
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}
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return false;
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}
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/// <summary>
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/// Simple helper to check the stream
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/// </summary>
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/// <param name="memoryStream"></param>
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/// <returns></returns>
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private static bool isValidStream(MemoryStream memoryStream)
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{
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return memoryStream != null && memoryStream.Length > 0;
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}
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/// <summary>
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/// Wrapper for Clipboard.GetImage, Created for Bug #3432313
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/// </summary>
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/// <returns>Image if there is an image on the clipboard</returns>
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public static Image GetImage()
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{
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IDataObject clipboardData = GetDataObject();
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// Return the first image
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foreach (Image clipboardImage in GetImages(clipboardData))
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{
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return clipboardImage;
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}
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return null;
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}
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/// <summary>
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/// Get all images (multiple if filenames are available) from the dataObject
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/// Returned images must be disposed by the calling code!
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns>IEnumerable<Image></returns>
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public static IEnumerable<Image> GetImages(IDataObject dataObject)
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{
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// Get single image, this takes the "best" match
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Image singleImage = GetImage(dataObject);
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if (singleImage != null)
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{
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LOG.InfoFormat("Got image from clipboard with size {0} and format {1}", singleImage.Size, singleImage.PixelFormat);
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yield return singleImage;
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}
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else
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{
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// check if files are supplied
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List<string> imageFiles = GetImageFilenames(dataObject);
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if (imageFiles != null)
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{
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foreach (string imageFile in imageFiles)
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{
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Image returnImage = null;
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try
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{
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returnImage = ImageHelper.LoadImage(imageFile);
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}
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catch (Exception streamImageEx)
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{
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LOG.Error("Problem retrieving Image from clipboard.", streamImageEx);
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}
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if (returnImage != null)
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{
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LOG.InfoFormat("Got image from clipboard with size {0} and format {1}", returnImage.Size, returnImage.PixelFormat);
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yield return returnImage;
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}
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}
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}
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}
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}
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/// <summary>
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/// Get an Image from the IDataObject, don't check for FileDrop
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns>Image or null</returns>
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private static Image GetImage(IDataObject dataObject)
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{
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Image returnImage = null;
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if (dataObject != null)
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{
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IList<string> formats = GetFormats(dataObject);
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string[] retrieveFormats;
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// Found a weird bug, where PNG's from Outlook 2010 are clipped
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// So I build some special logik to get the best format:
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if (formats != null && formats.Contains(FORMAT_PNG_OFFICEART) && formats.Contains(DataFormats.Dib))
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{
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// Outlook ??
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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...");
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retrieveFormats = new[] { DataFormats.Dib, FORMAT_BITMAP, FORMAT_FILECONTENTS, FORMAT_PNG_OFFICEART, FORMAT_PNG, FORMAT_JFIF_OFFICEART, FORMAT_JPG, FORMAT_JFIF, DataFormats.Tiff, FORMAT_GIF };
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}
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else
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{
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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 };
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}
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foreach (string currentFormat in retrieveFormats)
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{
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if (formats.Contains(currentFormat))
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{
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LOG.InfoFormat("Found {0}, trying to retrieve.", currentFormat);
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returnImage = GetImageForFormat(currentFormat, dataObject);
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}
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else
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{
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LOG.DebugFormat("Couldn't find format {0}.", currentFormat);
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}
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if (returnImage != null)
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{
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ImageHelper.Orientate(returnImage);
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return returnImage;
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}
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}
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}
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return null;
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}
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/// <summary>
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/// Helper method to try to get an image in the specified format from the dataObject
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/// the DIB readed should solve the issue reported here: https://sourceforge.net/projects/greenshot/forums/forum/676083/topic/6354353/index/page/1
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/// It also supports Format17/DibV5, by using the following information: http://stackoverflow.com/a/14335591
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/// </summary>
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/// <param name="format">string with the format</param>
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/// <param name="dataObject">IDataObject</param>
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/// <returns>Image or null</returns>
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private static Image GetImageForFormat(string format, IDataObject dataObject)
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{
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object clipboardObject = GetFromDataObject(dataObject, format);
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MemoryStream imageStream = clipboardObject as MemoryStream;
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if (!isValidStream(imageStream))
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{
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// add "HTML Format" support here...
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return clipboardObject as Image;
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}
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else
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{
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if (config.EnableSpecialDIBClipboardReader)
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{
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if (format == FORMAT_17 || format == DataFormats.Dib)
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{
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LOG.Info("Found DIB stream, trying to process it.");
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try
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{
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byte[] dibBuffer = new byte[imageStream.Length];
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imageStream.Read(dibBuffer, 0, dibBuffer.Length);
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BITMAPINFOHEADER infoHeader = BinaryStructHelper.FromByteArray<BITMAPINFOHEADER>(dibBuffer);
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if (!infoHeader.IsDibV5)
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{
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LOG.InfoFormat("Using special DIB <v5 format reader with biCompression {0}", infoHeader.biCompression);
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int fileHeaderSize = Marshal.SizeOf(typeof(BITMAPFILEHEADER));
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uint infoHeaderSize = infoHeader.biSize;
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int fileSize = (int)(fileHeaderSize + infoHeader.biSize + infoHeader.biSizeImage);
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BITMAPFILEHEADER fileHeader = new BITMAPFILEHEADER();
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fileHeader.bfType = BITMAPFILEHEADER.BM;
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fileHeader.bfSize = fileSize;
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fileHeader.bfReserved1 = 0;
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fileHeader.bfReserved2 = 0;
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fileHeader.bfOffBits = (int)(fileHeaderSize + infoHeaderSize + infoHeader.biClrUsed * 4);
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byte[] fileHeaderBytes = BinaryStructHelper.ToByteArray<BITMAPFILEHEADER>(fileHeader);
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using (MemoryStream bitmapStream = new MemoryStream())
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{
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bitmapStream.Write(fileHeaderBytes, 0, fileHeaderSize);
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bitmapStream.Write(dibBuffer, 0, dibBuffer.Length);
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bitmapStream.Seek(0, SeekOrigin.Begin);
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using (Image tmpImage = Image.FromStream(bitmapStream))
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{
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if (tmpImage != null)
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{
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return ImageHelper.Clone(tmpImage);
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}
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}
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}
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}
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else
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{
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LOG.Info("Using special DIBV5 / Format17 format reader");
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// CF_DIBV5
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IntPtr gcHandle = IntPtr.Zero;
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try
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{
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GCHandle handle = GCHandle.Alloc(dibBuffer, GCHandleType.Pinned);
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gcHandle = GCHandle.ToIntPtr(handle);
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return new Bitmap(infoHeader.biWidth, infoHeader.biHeight, -(int)(infoHeader.biSizeImage / infoHeader.biHeight),
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infoHeader.biBitCount == 32 ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb,
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new IntPtr(handle.AddrOfPinnedObject().ToInt32() + infoHeader.OffsetToPixels + (infoHeader.biHeight - 1) * (int)(infoHeader.biSizeImage / infoHeader.biHeight)));
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}
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catch (Exception ex)
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{
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LOG.Error("Problem retrieving Format17 from clipboard.", ex);
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}
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finally
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{
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if (gcHandle == IntPtr.Zero)
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{
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GCHandle.FromIntPtr(gcHandle).Free();
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}
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}
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}
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}
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catch (Exception dibEx)
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{
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LOG.Error("Problem retrieving DIB from clipboard.", dibEx);
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}
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}
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}
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else
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{
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LOG.Info("Skipping special DIB format reader as it's disabled in the configuration.");
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}
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try
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{
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imageStream.Seek(0, SeekOrigin.Begin);
|
|
using (Image tmpImage = Image.FromStream(imageStream, true, true))
|
|
{
|
|
if (tmpImage != null)
|
|
{
|
|
LOG.InfoFormat("Got image with clipboard format {0} from the clipboard.", format);
|
|
return ImageHelper.Clone(tmpImage);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception streamImageEx)
|
|
{
|
|
LOG.Error(string.Format("Problem retrieving {0} from clipboard.", format), streamImageEx);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Wrapper for Clipboard.GetText created for Bug #3432313
|
|
/// </summary>
|
|
/// <returns>string if there is text on the clipboard</returns>
|
|
public static string GetText()
|
|
{
|
|
return GetText(GetDataObject());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get Text from the DataObject
|
|
/// </summary>
|
|
/// <returns>string if there is text on the clipboard</returns>
|
|
public static string GetText(IDataObject dataObject)
|
|
{
|
|
if (ContainsText(dataObject))
|
|
{
|
|
return (String)dataObject.GetData(DataFormats.Text);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set text to the clipboard
|
|
/// </summary>
|
|
/// <param name="text"></param>
|
|
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(HTML_CLIPBOARD_STRING));
|
|
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("<HTML>") + "<HTML>".Length).ToString("D8"));
|
|
sb.Replace("<<<<<<<2", (utf8EncodedHTMLString.IndexOf("</HTML>")).ToString("D8"));
|
|
sb.Replace("<<<<<<<3", (utf8EncodedHTMLString.IndexOf("<!--StartFragment -->") + "<!--StartFragment -->".Length).ToString("D8"));
|
|
sb.Replace("<<<<<<<4", (utf8EncodedHTMLString.IndexOf("<!--EndFragment -->")).ToString("D8"));
|
|
return sb.ToString();
|
|
}
|
|
|
|
private static string getHTMLDataURLString(ISurface surface, MemoryStream pngStream)
|
|
{
|
|
string utf8EncodedHTMLString = Encoding.GetEncoding(0).GetString(Encoding.UTF8.GetBytes(HTML_CLIPBOARD_BASE64_STRING));
|
|
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("<HTML>") + "<HTML>".Length).ToString("D8"));
|
|
sb.Replace("<<<<<<<2", (utf8EncodedHTMLString.IndexOf("</HTML>")).ToString("D8"));
|
|
sb.Replace("<<<<<<<3", (utf8EncodedHTMLString.IndexOf("<!--StartFragment -->") + "<!--StartFragment -->".Length).ToString("D8"));
|
|
sb.Replace("<<<<<<<4", (utf8EncodedHTMLString.IndexOf("<!--EndFragment -->")).ToString("D8"));
|
|
return sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 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
|
|
/// </summary>
|
|
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 (config.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 (config.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 (config.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?
|
|
header.biCompression = BI_COMPRESSION.BI_BITFIELDS;
|
|
// Create a byte[] to write
|
|
byte[] headerBytes = BinaryStructHelper.ToByteArray<BITMAPINFOHEADER>(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<BitfieldColorMask>(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 (config.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 (config.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
|
|
pngOutputSettings.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 (config.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 != null)
|
|
{
|
|
imageToSave.Dispose();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Helper method so get the bitmap bytes
|
|
/// See: http://stackoverflow.com/a/6570155
|
|
/// </summary>
|
|
/// <param name="bitmap">Bitmap</param>
|
|
/// <returns>byte[]</returns>
|
|
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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set Object with type Type to the clipboard
|
|
/// </summary>
|
|
/// <param name="type">Type</param>
|
|
/// <param name="obj">object</param>
|
|
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);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieve a list of all formats currently on the clipboard
|
|
/// </summary>
|
|
/// <returns>List<string> with the current formats</returns>
|
|
public static List<string> GetFormats()
|
|
{
|
|
return GetFormats(GetDataObject());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieve a list of all formats currently in the IDataObject
|
|
/// </summary>
|
|
/// <returns>List<string> with the current formats</returns>
|
|
public static List<string> 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<string>(formats);
|
|
}
|
|
return new List<string>();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there is currently something in the dataObject which has the supplied format
|
|
/// </summary>
|
|
/// <param name="dataObject">IDataObject</param>
|
|
/// <param name="format">string with format</param>
|
|
/// <returns>true if one the format is found</returns>
|
|
public static bool ContainsFormat(string format)
|
|
{
|
|
return ContainsFormat(GetDataObject(), new[] { format });
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there is currently something on the clipboard which has the supplied format
|
|
/// </summary>
|
|
/// <param name="format">string with format</param>
|
|
/// <returns>true if one the format is found</returns>
|
|
public static bool ContainsFormat(IDataObject dataObject, string format)
|
|
{
|
|
return ContainsFormat(dataObject, new[] { format });
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there is currently something on the clipboard which has one of the supplied formats
|
|
/// </summary>
|
|
/// <param name="formats">string[] with formats</param>
|
|
/// <returns>true if one of the formats was found</returns>
|
|
public static bool ContainsFormat(string[] formats)
|
|
{
|
|
return ContainsFormat(GetDataObject(), formats);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there is currently something on the clipboard which has one of the supplied formats
|
|
/// </summary>
|
|
/// <param name="dataObject">IDataObject</param>
|
|
/// <param name="formats">string[] with formats</param>
|
|
/// <returns>true if one of the formats was found</returns>
|
|
public static bool ContainsFormat(IDataObject dataObject, string[] formats)
|
|
{
|
|
bool formatFound = false;
|
|
List<string> 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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get Object of type Type from the clipboard
|
|
/// </summary>
|
|
/// <param name="type">Type to get</param>
|
|
/// <returns>object from clipboard</returns>
|
|
public static Object GetClipboardData(Type type)
|
|
{
|
|
string format = type.FullName;
|
|
return GetClipboardData(format);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get Object for format from IDataObject
|
|
/// </summary>
|
|
/// <param name="dataObj">IDataObject</param>
|
|
/// <param name="type">Type to get</param>
|
|
/// <returns>object from IDataObject</returns>
|
|
public static Object GetFromDataObject(IDataObject dataObj, Type type)
|
|
{
|
|
if (type != null)
|
|
{
|
|
return GetFromDataObject(dataObj, type.FullName);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get ImageFilenames from the IDataObject
|
|
/// </summary>
|
|
/// <param name="dataObject">IDataObject</param>
|
|
/// <returns></returns>
|
|
public static List<string> GetImageFilenames(IDataObject dataObject)
|
|
{
|
|
List<string> filenames = new List<string>();
|
|
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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get Object for format from IDataObject
|
|
/// </summary>
|
|
/// <param name="dataObj">IDataObject</param>
|
|
/// <param name="format">format to get</param>
|
|
/// <returns>object from IDataObject</returns>
|
|
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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Get Object for format from the clipboard
|
|
/// </summary>
|
|
/// <param name="format">format to get</param>
|
|
/// <returns>object from clipboard</returns>
|
|
public static Object GetClipboardData(string format)
|
|
{
|
|
return GetFromDataObject(GetDataObject(), format);
|
|
}
|
|
}
|
|
} |