mirror of
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194 lines
No EOL
7.1 KiB
C#
194 lines
No EOL
7.1 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2013 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 Microsoft.Win32;
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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namespace GreenshotPlugin.UnmanagedHelpers
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{
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// See: http://msdn.microsoft.com/en-us/library/aa969502(v=vs.85).aspx
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_THUMBNAIL_PROPERTIES
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{
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// A bitwise combination of DWM thumbnail constant values that indicates which members of this structure are set.
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public int dwFlags;
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// The area in the destination window where the thumbnail will be rendered.
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public RECT rcDestination;
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// The region of the source window to use as the thumbnail. By default, the entire window is used as the thumbnail.
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public RECT rcSource;
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// The opacity with which to render the thumbnail. 0 is fully transparent while 255 is fully opaque. The default value is 255.
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public byte opacity;
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// TRUE to make the thumbnail visible; otherwise, FALSE. The default is FALSE.
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public bool fVisible;
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// TRUE to use only the thumbnail source's client area; otherwise, FALSE. The default is FALSE.
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public bool fSourceClientAreaOnly;
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public RECT Destination
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{
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set
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{
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dwFlags |= DWM_TNP_RECTDESTINATION;
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rcDestination = value;
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}
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}
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public RECT Source
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{
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set
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{
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dwFlags |= DWM_TNP_RECTSOURCE;
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rcSource = value;
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}
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}
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public byte Opacity
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{
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set
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{
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dwFlags |= DWM_TNP_OPACITY;
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opacity = value;
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}
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}
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public bool Visible
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{
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set
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{
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dwFlags |= DWM_TNP_VISIBLE;
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fVisible = value;
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}
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}
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public bool SourceClientAreaOnly
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{
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set
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{
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dwFlags |= DWM_TNP_SOURCECLIENTAREAONLY;
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fSourceClientAreaOnly = value;
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}
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}
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// A value for the rcDestination member has been specified.
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public const int DWM_TNP_RECTDESTINATION = 0x00000001;
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// A value for the rcSource member has been specified.
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public const int DWM_TNP_RECTSOURCE = 0x00000002;
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// A value for the opacity member has been specified.
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public const int DWM_TNP_OPACITY = 0x00000004;
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// A value for the fVisible member has been specified.
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public const int DWM_TNP_VISIBLE = 0x00000008;
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// A value for the fSourceClientAreaOnly member has been specified.
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public const int DWM_TNP_SOURCECLIENTAREAONLY = 0x00000010;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct DWM_BLURBEHIND
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{
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public DWM_BB dwFlags;
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public bool fEnable;
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public IntPtr hRgnBlur;
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public bool fTransitionOnMaximized;
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}
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/// <summary>
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/// Description of DWM.
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/// </summary>
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public class DWM
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{
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public static readonly uint DWM_EC_DISABLECOMPOSITION = 0;
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public static readonly uint DWM_EC_ENABLECOMPOSITION = 1;
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// DWM
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmRegisterThumbnail(IntPtr dest, IntPtr src, out IntPtr thumb);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmUnregisterThumbnail(IntPtr thumb);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmQueryThumbnailSourceSize(IntPtr thumb, out SIZE size);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmUpdateThumbnailProperties(IntPtr hThumb, ref DWM_THUMBNAIL_PROPERTIES props);
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// Deprecated as of Windows 8 Release Preview
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmIsCompositionEnabled(out bool enabled);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmGetWindowAttribute(IntPtr hwnd, int dwAttribute, out RECT lpRect, int size);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern int DwmEnableBlurBehindWindow(IntPtr hwnd, ref DWM_BLURBEHIND blurBehind);
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[DllImport("dwmapi", SetLastError = true)]
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public static extern uint DwmEnableComposition(uint uCompositionAction);
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public static void EnableComposition()
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{
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DwmEnableComposition(DWM_EC_ENABLECOMPOSITION);
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}
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public static void DisableComposition()
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{
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DwmEnableComposition(DWM_EC_DISABLECOMPOSITION);
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}
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// Key to ColorizationColor for DWM
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private const string COLORIZATION_COLOR_KEY = @"SOFTWARE\Microsoft\Windows\DWM";
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/// <summary>
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/// Helper method for an easy DWM check
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/// </summary>
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/// <returns>bool true if DWM is available AND active</returns>
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public static bool isDWMEnabled()
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{
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// According to: http://technet.microsoft.com/en-us/subscriptions/aa969538%28v=vs.85%29.aspx
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// And: http://msdn.microsoft.com/en-us/library/windows/desktop/aa969510%28v=vs.85%29.aspx
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// DMW is always enabled on Windows 8! So return true and save a check! ;-)
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if (Environment.OSVersion.Version.Major == 6 && Environment.OSVersion.Version.Minor == 2)
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{
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return true;
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}
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if (Environment.OSVersion.Version.Major >= 6)
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{
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bool dwmEnabled;
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DwmIsCompositionEnabled(out dwmEnabled);
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return dwmEnabled;
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}
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return false;
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}
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public static Color ColorizationColor
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{
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get
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{
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using (RegistryKey key = Registry.CurrentUser.OpenSubKey(COLORIZATION_COLOR_KEY, false))
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{
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if (key != null)
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{
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object dwordValue = key.GetValue("ColorizationColor");
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if (dwordValue != null)
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{
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return Color.FromArgb((Int32)dwordValue);
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}
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}
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}
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return Color.White;
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}
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}
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}
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} |