mirror of
https://github.com/ShareX/ShareX.git
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452 lines
No EOL
15 KiB
C#
452 lines
No EOL
15 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) 2007-2014 ShareX Developers
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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 HelpersLib;
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using ScreenCaptureLib.Properties;
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using System;
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using System.ComponentModel;
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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 ScreenCaptureLib
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{
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public class RectangleAnnotate : Form
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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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public Point CurrentMousePosition { get; private set; }
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public Point CurrentMousePosition0Based
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{
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get
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{
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return new Point(CurrentMousePosition.X - ScreenRectangle.X, CurrentMousePosition.Y - ScreenRectangle.Y);
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}
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}
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public Point PreviousMousePosition { get; private set; }
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public Point PreviousMousePosition0Based
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{
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get
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{
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return new Point(PreviousMousePosition.X - ScreenRectangle.X, PreviousMousePosition.Y - ScreenRectangle.Y);
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}
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}
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private bool cursorShown = true;
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public bool CursorShown
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{
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get
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{
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return cursorShown;
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}
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private set
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{
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if (cursorShown == value)
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{
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return;
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}
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if (value)
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{
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Cursor.Show();
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}
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else
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{
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Cursor.Hide();
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}
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cursorShown = value;
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}
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}
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public RectangleAnnotateOptions Options { get; private set; }
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private Timer timer;
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private Image backgroundImage;
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private Pen borderDotPen, borderDotPen2;
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private Point positionOnClick;
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private bool isMouseDown, isDrawingMode;
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private Stopwatch penTimer;
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private Font rectangleInfofont, tipFont;
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public RectangleAnnotate(RectangleAnnotateOptions options)
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{
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Options = options;
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backgroundImage = Screenshot.CaptureFullscreen();
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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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rectangleInfofont = new Font("Arial", 17, FontStyle.Bold);
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tipFont = new Font("Arial", 13);
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penTimer = Stopwatch.StartNew();
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ScreenRectangle = CaptureHelpers.GetScreenBounds();
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InitializeComponent();
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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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private IContainer components = null;
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private void InitializeComponent()
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{
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SuspendLayout();
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AutoScaleDimensions = new SizeF(6F, 13F);
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AutoScaleMode = AutoScaleMode.Font;
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StartPosition = FormStartPosition.Manual;
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Bounds = ScreenRectangle;
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FormBorderStyle = FormBorderStyle.None;
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SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true);
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Text = "ShareX - " + Resources.RectangleAnnotate_InitializeComponent_Rectangle_capture_annotate;
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ShowInTaskbar = false;
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TopMost = true;
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Shown += RectangleAnnotate_Shown;
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MouseDown += RectangleAnnotate_MouseDown;
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MouseUp += RectangleAnnotate_MouseUp;
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MouseWheel += RectangleAnnotate_MouseWheel;
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KeyDown += RectangleAnnotate_KeyDown;
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KeyUp += RectangleAnnotate_KeyUp;
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FormClosing += RectangleAnnotate_FormClosing;
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LostFocus += RectangleAnnotate_LostFocus;
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ResumeLayout(false);
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing && (components != null))
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{
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components.Dispose();
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}
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if (timer != null) timer.Dispose();
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if (backgroundImage != null) backgroundImage.Dispose();
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if (borderDotPen != null) borderDotPen.Dispose();
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if (borderDotPen2 != null) borderDotPen2.Dispose();
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if (rectangleInfofont != null) rectangleInfofont.Dispose();
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if (tipFont != null) tipFont.Dispose();
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base.Dispose(disposing);
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}
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private void RectangleAnnotate_Shown(object sender, EventArgs e)
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{
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this.ShowActivate();
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}
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private void RectangleAnnotate_FormClosing(object sender, FormClosingEventArgs e)
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{
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CursorShown = true;
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}
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private void RectangleAnnotate_LostFocus(object sender, EventArgs e)
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{
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CursorShown = true;
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}
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private void RectangleAnnotate_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.ControlKey)
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{
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isDrawingMode = !isDrawingMode;
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CursorShown = !isDrawingMode;
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}
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else if (e.KeyCode == Keys.ShiftKey && isDrawingMode)
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{
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isDrawingMode = false;
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try
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{
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Options.DrawingPenColor = ColorPickerForm.GetColor(Options.DrawingPenColor);
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}
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finally
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{
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CursorShown = false;
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isDrawingMode = true;
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}
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}
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}
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private void RectangleAnnotate_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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else if (e.KeyCode == Keys.Space)
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{
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DoSelection(ScreenRectangle);
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}
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}
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private void RectangleAnnotate_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 RectangleAnnotate_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left && isMouseDown)
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{
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if (isDrawingMode)
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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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DoSelection(SelectionRectangle);
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}
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}
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else if (e.Button == MouseButtons.Right)
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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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private void RectangleAnnotate_MouseWheel(object sender, MouseEventArgs e)
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{
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if (isDrawingMode)
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{
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if (e.Delta > 0)
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{
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Options.DrawingPenSize++;
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}
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else if (e.Delta < 0)
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{
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Options.DrawingPenSize--;
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}
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}
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}
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private void DoSelection(Rectangle rect)
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{
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SelectionRectangle = rect;
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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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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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if (rect.X == 0 && rect.Y == 0 && rect.Width == backgroundImage.Width && rect.Height == backgroundImage.Height)
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{
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return (Image)backgroundImage.Clone();
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}
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return ImageHelpers.CropImage(backgroundImage, rect);
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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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PreviousMousePosition = CurrentMousePosition;
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CurrentMousePosition = CaptureHelpers.GetCursorPosition();
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SelectionRectangle = CaptureHelpers.CreateRectangle(positionOnClick.X, positionOnClick.Y, CurrentMousePosition.X, CurrentMousePosition.Y);
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Refresh();
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}
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protected override void OnPaintBackground(PaintEventArgs e)
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{
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//base.OnPaintBackground(e);
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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g.InterpolationMode = InterpolationMode.NearestNeighbor;
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g.SmoothingMode = SmoothingMode.HighQuality;
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if (isDrawingMode && isMouseDown)
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{
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using (Graphics gImage = Graphics.FromImage(backgroundImage))
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{
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gImage.SmoothingMode = SmoothingMode.HighQuality;
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DrawLine(gImage, PreviousMousePosition0Based, CurrentMousePosition0Based, Options.DrawingPenSize, Options.DrawingPenColor);
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}
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}
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g.CompositingMode = CompositingMode.SourceCopy;
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g.DrawImage(backgroundImage, ScreenRectangle0Based);
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g.CompositingMode = CompositingMode.SourceOver;
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if (isDrawingMode)
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{
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DrawDot(g, CurrentMousePosition0Based, Options.DrawingPenSize, Options.DrawingPenColor, true);
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}
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if (Options.ShowTips)
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{
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DrawTips(g);
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}
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if (isMouseDown && !isDrawingMode)
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{
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if (Options.ShowRectangleInfo)
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{
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DrawRectangleInfo(g);
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}
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g.DrawRectangleProper(borderDotPen, SelectionRectangle0Based);
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borderDotPen2.DashOffset = (int)(penTimer.Elapsed.TotalMilliseconds / 100) % 10;
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g.DrawRectangleProper(borderDotPen2, SelectionRectangle0Based);
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}
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}
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private void DrawTips(Graphics g)
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{
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int offset = 10;
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int padding = 3;
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string tipText;
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if (isDrawingMode)
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{
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tipText = Resources.RectangleAnnotate_DrawTips_Drawing_mode_on;
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}
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else
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{
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tipText = Resources.RectangleAnnotate_DrawTips_Drawing_mode_off;
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}
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Size textSize = g.MeasureString(tipText, tipFont).ToSize();
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int rectWidth = textSize.Width + padding * 2;
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int rectHeight = textSize.Height + padding * 2;
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Rectangle primaryScreenBounds = CaptureHelpers.GetPrimaryScreenBounds0Based();
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Rectangle textRectangle = new Rectangle(primaryScreenBounds.X + (primaryScreenBounds.Width / 2) - (rectWidth / 2), primaryScreenBounds.Y + offset, rectWidth, rectHeight);
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if (textRectangle.Offset(10).Contains(CurrentMousePosition0Based))
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{
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textRectangle.Y = primaryScreenBounds.Height - rectHeight - offset;
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}
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using (Brush brush = new SolidBrush(Color.FromArgb(175, Color.White)))
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using (Pen pen = new Pen(Color.FromArgb(175, Color.Black)))
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{
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g.DrawRoundedRectangle(brush, pen, textRectangle, 5);
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}
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using (StringFormat sf = new StringFormat { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center })
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{
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g.DrawString(tipText, tipFont, Brushes.Black, textRectangle, sf);
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}
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}
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private void DrawRectangleInfo(Graphics g)
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{
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int offset = 10;
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Point position = new Point(CurrentMousePosition0Based.X + offset, CurrentMousePosition0Based.Y + offset);
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ImageHelpers.DrawTextWithOutline(g, string.Format("X:{0} Y:{1}\r\n{2} x {3}", SelectionRectangle.X, SelectionRectangle.Y,
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SelectionRectangle.Width, SelectionRectangle.Height), position, rectangleInfofont, Color.White, Color.Black);
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}
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private void DrawLine(Graphics g, Point pos1, Point pos2, int size, Color color)
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{
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if (pos1 == pos2)
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{
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DrawDot(g, pos1, size, color);
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}
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else
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{
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using (Pen pen = new Pen(color, size) { StartCap = LineCap.Round, EndCap = LineCap.Round })
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{
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g.DrawLine(pen, PreviousMousePosition0Based, CurrentMousePosition0Based);
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}
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}
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}
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private void DrawDot(Graphics g, Point pos, int size, Color color, bool border = false)
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{
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using (Brush brush = new SolidBrush(color))
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{
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RectangleF rect = new RectangleF(pos.X - size / 2f, pos.Y - size / 2f, size, size);
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g.FillEllipse(brush, rect);
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if (border)
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{
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g.DrawEllipse(Pens.Black, rect);
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g.DrawEllipse(Pens.White, new RectangleF(rect.X - 1, rect.Y - 1, rect.Width + 2, rect.Height + 2));
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}
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}
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}
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}
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} |