mirror of
https://github.com/ShareX/ShareX.git
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220 lines
No EOL
7.2 KiB
C#
220 lines
No EOL
7.2 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) 2007-2016 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 ShareX.HelpersLib;
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using ShareX.ScreenCaptureLib.Properties;
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using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.IO;
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using System.Windows.Forms;
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namespace ShareX.ScreenCaptureLib
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{
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public class RectangleTransparent : LayeredForm
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{
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public static Rectangle LastSelectionRectangle0Based { get; private set; }
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public Rectangle ScreenRectangle { get; private set; }
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public Rectangle ScreenRectangle0Based
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{
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get
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{
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return new Rectangle(0, 0, ScreenRectangle.Width, ScreenRectangle.Height);
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}
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}
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public Rectangle SelectionRectangle { get; private set; }
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public Rectangle SelectionRectangle0Based
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{
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get
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{
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return new Rectangle(SelectionRectangle.X - ScreenRectangle.X, SelectionRectangle.Y - ScreenRectangle.Y, SelectionRectangle.Width, SelectionRectangle.Height);
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}
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}
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private Rectangle PreviousSelectionRectangle { get; set; }
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private Rectangle PreviousSelectionRectangle0Based
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{
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get
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{
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return new Rectangle(PreviousSelectionRectangle.X - ScreenRectangle.X, PreviousSelectionRectangle.Y - ScreenRectangle.Y,
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PreviousSelectionRectangle.Width, PreviousSelectionRectangle.Height);
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}
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}
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private Timer timer;
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private Bitmap surface;
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private Graphics gSurface;
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private Pen clearPen, borderDotPen, borderDotPen2;
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private Point currentPosition, positionOnClick;
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private bool isMouseDown;
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private Stopwatch penTimer;
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public RectangleTransparent()
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{
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clearPen = new Pen(Color.FromArgb(1, 0, 0, 0));
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borderDotPen = new Pen(Color.Black, 1);
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borderDotPen2 = new Pen(Color.White, 1);
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borderDotPen2.DashPattern = new float[] { 5, 5 };
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penTimer = Stopwatch.StartNew();
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ScreenRectangle = CaptureHelpers.GetScreenBounds();
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surface = new Bitmap(ScreenRectangle.Width, ScreenRectangle.Height);
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gSurface = Graphics.FromImage(surface);
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gSurface.InterpolationMode = InterpolationMode.NearestNeighbor;
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gSurface.SmoothingMode = SmoothingMode.HighSpeed;
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gSurface.CompositingMode = CompositingMode.SourceCopy;
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gSurface.CompositingQuality = CompositingQuality.HighSpeed;
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gSurface.Clear(Color.FromArgb(1, 0, 0, 0));
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StartPosition = FormStartPosition.Manual;
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Bounds = ScreenRectangle;
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Text = "ShareX - " + Resources.RectangleTransparent_RectangleTransparent_Rectangle_capture_transparent;
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Shown += RectangleLight_Shown;
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KeyUp += RectangleLight_KeyUp;
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MouseDown += RectangleLight_MouseDown;
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MouseUp += RectangleLight_MouseUp;
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using (MemoryStream cursorStream = new MemoryStream(Resources.Crosshair))
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{
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Cursor = new Cursor(cursorStream);
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}
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timer = new Timer { Interval = 10 };
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timer.Tick += timer_Tick;
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timer.Start();
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}
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protected override void Dispose(bool disposing)
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{
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if (timer != null) timer.Dispose();
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if (clearPen != null) clearPen.Dispose();
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if (borderDotPen != null) borderDotPen.Dispose();
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if (borderDotPen2 != null) borderDotPen2.Dispose();
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if (gSurface != null) gSurface.Dispose();
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if (surface != null) surface.Dispose();
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base.Dispose(disposing);
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}
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private void RectangleLight_Shown(object sender, EventArgs e)
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{
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this.ForceActivate();
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}
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private void RectangleLight_KeyUp(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Escape)
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{
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Close();
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}
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}
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private void RectangleLight_MouseDown(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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positionOnClick = CaptureHelpers.GetCursorPosition();
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isMouseDown = true;
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}
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}
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private void RectangleLight_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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if (isMouseDown)
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{
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if (SelectionRectangle0Based.Width > 0 && SelectionRectangle0Based.Height > 0)
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{
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LastSelectionRectangle0Based = SelectionRectangle0Based;
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DialogResult = DialogResult.OK;
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}
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Close();
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}
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}
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else
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{
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if (isMouseDown)
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{
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isMouseDown = false;
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}
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else
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{
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Close();
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}
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}
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}
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public Image GetAreaImage()
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{
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Rectangle rect = SelectionRectangle0Based;
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if (rect.Width > 0 && rect.Height > 0)
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{
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return Screenshot.CaptureRectangle(SelectionRectangle);
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}
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return null;
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}
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private void timer_Tick(object sender, EventArgs e)
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{
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currentPosition = CaptureHelpers.GetCursorPosition();
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PreviousSelectionRectangle = SelectionRectangle;
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SelectionRectangle = CaptureHelpers.CreateRectangle(positionOnClick.X, positionOnClick.Y, currentPosition.X, currentPosition.Y);
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try
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{
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RefreshSurface();
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}
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catch
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{
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}
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}
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private void RefreshSurface()
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{
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// Clear previous rectangle selection
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gSurface.DrawRectangleProper(clearPen, PreviousSelectionRectangle0Based);
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if (isMouseDown)
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{
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borderDotPen2.DashOffset = (float)penTimer.Elapsed.TotalSeconds * -15;
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gSurface.DrawRectangleProper(borderDotPen, SelectionRectangle0Based);
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gSurface.DrawRectangleProper(borderDotPen2, SelectionRectangle0Based);
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}
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SelectBitmap(surface);
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}
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}
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} |