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121 lines
4 KiB
C#
121 lines
4 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2021 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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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 ShareX.HelpersLib
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{
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public class CursorData
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{
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public IntPtr Handle { get; private set; }
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public Point Position { get; private set; }
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public bool IsVisible { get; private set; }
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public CursorData()
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{
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UpdateCursorData();
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}
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public void UpdateCursorData()
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{
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Handle = IntPtr.Zero;
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Position = Point.Empty;
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IsVisible = false;
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CursorInfo cursorInfo = new CursorInfo();
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cursorInfo.cbSize = Marshal.SizeOf(cursorInfo);
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if (NativeMethods.GetCursorInfo(out cursorInfo))
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{
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Handle = cursorInfo.hCursor;
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Position = cursorInfo.ptScreenPos;
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IsVisible = cursorInfo.flags == NativeConstants.CURSOR_SHOWING;
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if (IsVisible)
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{
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IntPtr iconHandle = NativeMethods.CopyIcon(Handle);
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if (iconHandle != IntPtr.Zero)
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{
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if (NativeMethods.GetIconInfo(iconHandle, out IconInfo iconInfo))
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{
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Position = new Point(Position.X - iconInfo.xHotspot, Position.Y - iconInfo.yHotspot);
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if (iconInfo.hbmMask != IntPtr.Zero)
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{
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NativeMethods.DeleteObject(iconInfo.hbmMask);
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}
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if (iconInfo.hbmColor != IntPtr.Zero)
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{
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NativeMethods.DeleteObject(iconInfo.hbmColor);
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}
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}
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NativeMethods.DestroyIcon(iconHandle);
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}
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}
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}
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}
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public void DrawCursor(Image img)
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{
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DrawCursor(img, Point.Empty);
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}
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public void DrawCursor(Image img, Point offset)
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{
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if (IsVisible)
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{
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Point drawPosition = new Point(Position.X - offset.X, Position.Y - offset.Y);
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drawPosition = CaptureHelpers.ScreenToClient(drawPosition);
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using (Graphics g = Graphics.FromImage(img))
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using (Icon icon = Icon.FromHandle(Handle))
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{
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g.DrawIcon(icon, drawPosition.X, drawPosition.Y);
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}
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}
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}
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public void DrawCursor(IntPtr hdcDest)
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{
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DrawCursor(hdcDest, Point.Empty);
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}
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public void DrawCursor(IntPtr hdcDest, Point offset)
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{
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if (IsVisible)
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{
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Point drawPosition = new Point(Position.X - offset.X, Position.Y - offset.Y);
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drawPosition = CaptureHelpers.ScreenToClient(drawPosition);
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NativeMethods.DrawIconEx(hdcDest, drawPosition.X, drawPosition.Y, Handle, 0, 0, 0, IntPtr.Zero, NativeConstants.DI_NORMAL);
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}
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}
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}
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} |