#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (C) 2007-2014 ShareX Developers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at .
*/
#endregion License Information (GPL v3)
using HelpersLib;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
namespace ScreenCaptureLib
{
public class FreeHandRegion : Surface
{
private NodeObject lastNode;
private List points;
private bool isAreaCreated;
private Rectangle currentArea;
public FreeHandRegion(Image backgroundImage = null)
: base(backgroundImage)
{
points = new List(128);
regionFillPath = new GraphicsPath();
lastNode = new NodeObject() { Shape = NodeShape.Circle };
DrawableObjects.Add(lastNode);
}
protected override void Update()
{
base.Update();
if (InputManager.IsMousePressed(MouseButtons.Right))
{
if (isAreaCreated)
{
isAreaCreated = false;
regionFillPath.Reset();
HideNodes();
points.Clear();
}
else
{
Close(SurfaceResult.Close);
}
}
if (Config.QuickCrop && isAreaCreated && InputManager.IsMouseReleased(MouseButtons.Left))
{
Close(SurfaceResult.Region);
}
if (!isAreaCreated && InputManager.IsMouseDown(MouseButtons.Left))
{
lastNode.Visible = true;
isAreaCreated = true;
}
if (lastNode.Visible && InputManager.IsMouseDown(MouseButtons.Left))
{
if (points.Count == 0 || points.Last() != InputManager.MousePosition0Based)
{
points.Add(InputManager.MousePosition0Based);
if (points.Count > 1)
{
regionFillPath.AddLine(points.Last(1), points.Last());
}
lastNode.Position = InputManager.MousePosition0Based;
}
}
if (points.Count > 2)
{
RectangleF rect = regionFillPath.GetBounds();
currentArea = new Rectangle((int)rect.X, (int)rect.Y, (int)rect.Width + 1, (int)rect.Height + 1);
}
}
protected override void Draw(Graphics g)
{
if (points.Count > 2)
{
g.SmoothingMode = SmoothingMode.HighQuality;
if (Config.UseDimming)
{
using (Region region = new Region(regionFillPath))
{
g.Clip = region;
g.FillRectangle(lightBackgroundBrush, ScreenRectangle0Based);
g.ResetClip();
}
}
g.DrawPath(borderPen, regionFillPath);
g.DrawPath(borderDotPen, regionFillPath);
g.DrawLine(borderPen, points[points.Count - 1], points[0]);
g.DrawLine(borderDotPen, points[points.Count - 1], points[0]);
g.DrawRectangleProper(borderPen, currentArea);
}
base.Draw(g);
}
}
}