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157 lines
No EOL
5 KiB
C#
157 lines
No EOL
5 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 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.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public class ScreenTearingTestForm : Form
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{
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public ScreenTearingTestMode Mode { get; set; } = ScreenTearingTestMode.VerticalLines;
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private Rectangle screenRectangle, screenRectangle0Based;
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private Stopwatch animationTime;
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private TimeSpan lastElapsed;
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private int rectangleSize = 50;
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private float animationSpeed = 500, minSpeed = 100, maxSpeed = 2000, speedChange = 50, currentPosition;
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public ScreenTearingTestForm()
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{
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screenRectangle = CaptureHelpers.GetScreenBounds();
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screenRectangle0Based = new Rectangle(0, 0, screenRectangle.Width, screenRectangle.Height);
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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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Cursor = Cursors.Hand;
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FormBorderStyle = FormBorderStyle.None;
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Icon = ShareXResources.Icon;
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SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true);
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Text = "ShareX - Screen tearing test";
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ShowInTaskbar = false;
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TopMost = true;
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ResumeLayout(false);
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animationTime = Stopwatch.StartNew();
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}
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protected override void OnShown(EventArgs e)
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{
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this.ForceActivate();
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base.OnShown(e);
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}
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protected override void OnKeyUp(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
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{
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base.OnKeyUp(e);
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}
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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if (Mode == ScreenTearingTestMode.VerticalLines)
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{
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Mode = ScreenTearingTestMode.HorizontalLines;
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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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protected override void OnMouseWheel(MouseEventArgs e)
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{
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if (e.Delta > 0)
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{
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animationSpeed = (animationSpeed + speedChange).Between(minSpeed, maxSpeed);
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}
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else if (e.Delta < 0)
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{
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animationSpeed = (animationSpeed - speedChange).Between(minSpeed, maxSpeed);
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}
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base.OnMouseWheel(e);
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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.SmoothingMode = SmoothingMode.HighSpeed;
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g.Clear(Color.White);
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int nextPosition = rectangleSize * 2;
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int startOffset = (int)(currentPosition % nextPosition);
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if (Mode == ScreenTearingTestMode.VerticalLines)
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{
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for (int x = startOffset - rectangleSize; x < screenRectangle.Width; x += nextPosition)
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{
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g.FillRectangle(Brushes.Black, x, 0, rectangleSize, screenRectangle.Height);
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}
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}
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else if (Mode == ScreenTearingTestMode.HorizontalLines)
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{
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for (int y = startOffset - rectangleSize; y < screenRectangle.Height; y += nextPosition)
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{
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g.FillRectangle(Brushes.Black, 0, y, screenRectangle.Width, rectangleSize);
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}
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}
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TimeSpan elapsed = animationTime.Elapsed - lastElapsed;
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currentPosition += (float)(elapsed.TotalSeconds * animationSpeed);
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lastElapsed = animationTime.Elapsed;
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Invalidate();
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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}
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}
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} |