#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2016 ShareX Team
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 ShareX.HelpersLib;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace ShareX.ScreenCaptureLib
{
public class FreehandDrawingShape : BaseDrawingShape
{
public override ShapeType ShapeType { get; } = ShapeType.DrawingFreehand;
public override bool ShowResizeNodes { get; } = false;
public override bool IsValidShape
{
get
{
return points.Count > 0;
}
}
public Point LastPosition
{
get
{
if (points.Count > 0)
{
return points[points.Count - 1];
}
return Point.Empty;
}
set
{
if (points.Count > 0)
{
points[points.Count - 1] = value;
}
}
}
private List points = new List();
private bool isPolygonMode;
public override bool Intersects(Point position)
{
return false;
}
public override void OnUpdate()
{
if (Manager.IsCreating)
{
if (Manager.IsCornerMoving)
{
Move(InputManager.MouseVelocity);
}
else
{
Point pos = InputManager.MousePosition0Based;
if (points.Count == 0 || (!Manager.IsProportionalResizing && LastPosition != pos))
{
points.Add(pos);
}
if (Manager.IsProportionalResizing)
{
if (!isPolygonMode)
{
points.Add(pos);
}
LastPosition = pos;
}
isPolygonMode = Manager.IsProportionalResizing;
Rectangle = points.CreateRectangle();
}
}
else if (Manager.IsMoving)
{
Move(InputManager.MouseVelocity);
}
}
public override void OnDraw(Graphics g)
{
if (points.Count > 0 && BorderSize > 0 && BorderColor.A > 0)
{
g.SmoothingMode = SmoothingMode.HighQuality;
if (points.Count == 1)
{
using (Brush brush = new SolidBrush(BorderColor))
{
Rectangle rect = new Rectangle((int)(points[0].X - BorderSize / 2f), (int)(points[0].Y - BorderSize / 2f), BorderSize, BorderSize);
g.FillEllipse(brush, rect);
}
}
else
{
using (Pen pen = new Pen(BorderColor, BorderSize) { StartCap = LineCap.Round, EndCap = LineCap.Round })
using (GraphicsPath gp = new GraphicsPath())
{
for (int i = 0; i < points.Count - 1; i++)
{
gp.AddLine(points[i], points[i + 1]);
}
g.DrawPath(pen, gp);
}
}
g.SmoothingMode = SmoothingMode.None;
}
}
public override void Move(int x, int y)
{
for (int i = 0; i < points.Count; i++)
{
points[i] = points[i].Add(x, y);
}
Rectangle = Rectangle.LocationOffset(x, y);
}
public override void Resize(int x, int y, bool fromBottomRight)
{
Move(x, y);
}
}
}