mirror of
https://github.com/ShareX/ShareX.git
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306 lines
No EOL
9.4 KiB
C#
306 lines
No EOL
9.4 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 System;
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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.ScreenCaptureLib
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{
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public abstract class BaseShape : IDisposable
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{
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protected const int MinimumSize = 3;
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public abstract ShapeCategory ShapeCategory { get; }
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public abstract ShapeType ShapeType { get; }
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public Rectangle Rectangle { get; set; }
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private Point startPosition;
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public Point StartPosition
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{
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get
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{
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return startPosition;
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}
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set
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{
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startPosition = value;
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Rectangle = CaptureHelpers.CreateRectangle(StartPosition, EndPosition);
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}
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}
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private Point endPosition;
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public Point EndPosition
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{
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get
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{
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return endPosition;
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}
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set
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{
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endPosition = value;
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Rectangle = CaptureHelpers.CreateRectangle(StartPosition, EndPosition);
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}
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}
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public virtual bool IsValidShape => !Rectangle.IsEmpty && Rectangle.Width >= MinimumSize && Rectangle.Height >= MinimumSize;
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internal ShapeManager Manager { get; set; }
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protected RegionCaptureOptions Options => Manager.Config;
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protected AnnotationOptions AnnotationOptions => Manager.Config.AnnotationOptions;
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private Point tempNodePos, tempStartPos, tempEndPos;
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public virtual bool Intersects(Point position)
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{
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return Rectangle.Contains(position);
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}
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public virtual void ShowNodes()
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{
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Manager.NodesVisible = true;
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}
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public void Remove()
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{
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Manager.DeleteShape(this);
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}
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public void AddShapePath(GraphicsPath gp, int sizeOffset = 0)
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{
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Rectangle rect = Rectangle;
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if (sizeOffset != 0)
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{
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rect = rect.SizeOffset(sizeOffset);
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}
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OnShapePathRequested(gp, rect);
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}
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public virtual void Move(int x, int y)
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{
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Rectangle = Rectangle.LocationOffset(x, y);
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}
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public void Move(Point point)
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{
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Move(point.X, point.Y);
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}
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public virtual void Resize(int x, int y, bool fromBottomRight)
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{
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if (fromBottomRight)
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{
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Rectangle = Rectangle.SizeOffset(x, y);
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}
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else
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{
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Rectangle = Rectangle.LocationOffset(x, y).SizeOffset(-x, -y);
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}
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}
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public virtual void OnCreating()
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{
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Point pos = InputManager.MousePosition0Based;
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if (Options.IsFixedSize && ShapeCategory == ShapeCategory.Region)
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{
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Manager.IsMoving = true;
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Rectangle = new Rectangle(new Point(pos.X - Options.FixedSize.Width / 2, pos.Y - Options.FixedSize.Height / 2), Options.FixedSize);
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}
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else
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{
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Manager.IsCreating = true;
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StartPosition = EndPosition = pos;
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}
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}
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public virtual void OnCreated()
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{
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}
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public virtual void OnUpdate()
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{
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if (Manager.IsCreating)
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{
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Point pos = InputManager.MousePosition0Based;
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if (Manager.IsCornerMoving)
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{
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StartPosition = StartPosition.Add(InputManager.MouseVelocity);
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}
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else if (Manager.IsProportionalResizing)
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{
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float degree, startDegree;
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if (ShapeType == ShapeType.DrawingLine || ShapeType == ShapeType.DrawingArrow)
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{
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degree = 45;
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startDegree = 0;
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}
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else
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{
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degree = 90;
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startDegree = 45;
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}
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pos = CaptureHelpers.SnapPositionToDegree(StartPosition, pos, degree, startDegree);
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}
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else if (Manager.IsSnapResizing)
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{
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pos = Manager.SnapPosition(StartPosition, pos);
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}
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EndPosition = pos;
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}
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else if (Manager.IsMoving)
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{
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Move(InputManager.MouseVelocity);
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}
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}
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public virtual void OnShapePathRequested(GraphicsPath gp, Rectangle rect)
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{
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gp.AddRectangle(rect);
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}
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public virtual void OnConfigLoad()
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{
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}
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public virtual void OnConfigSave()
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{
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}
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public virtual void OnDoubleClicked()
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{
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}
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public virtual void OnNodeVisible()
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{
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for (int i = 0; i < 8; i++)
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{
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ResizeNode node = Manager.ResizeNodes[i];
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node.Shape = NodeShape.Square;
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node.Visible = true;
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}
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}
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public virtual void OnNodeUpdate()
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{
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for (int i = 0; i < 8; i++)
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{
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ResizeNode node = Manager.ResizeNodes[i];
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if (node.IsDragging)
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{
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Manager.IsResizing = true;
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if (!InputManager.IsBeforeMouseDown(MouseButtons.Left))
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{
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tempNodePos = node.Position;
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tempStartPos = Rectangle.Location;
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tempEndPos = new Point(Rectangle.X + Rectangle.Width - 1, Rectangle.Y + Rectangle.Height - 1);
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}
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Point pos = InputManager.MousePosition0Based;
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Point startPos = tempStartPos;
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Point endPos = tempEndPos;
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NodePosition nodePosition = (NodePosition)i;
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int x = pos.X - tempNodePos.X;
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switch (nodePosition)
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{
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case NodePosition.TopLeft:
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case NodePosition.Left:
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case NodePosition.BottomLeft:
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startPos.X += x;
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break;
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case NodePosition.TopRight:
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case NodePosition.Right:
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case NodePosition.BottomRight:
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endPos.X += x;
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break;
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}
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int y = pos.Y - tempNodePos.Y;
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switch (nodePosition)
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{
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case NodePosition.TopLeft:
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case NodePosition.Top:
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case NodePosition.TopRight:
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startPos.Y += y;
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break;
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case NodePosition.BottomLeft:
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case NodePosition.Bottom:
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case NodePosition.BottomRight:
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endPos.Y += y;
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break;
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}
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Rectangle = CaptureHelpers.CreateRectangle(startPos, endPos);
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}
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}
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}
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public virtual void OnNodePositionUpdate()
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{
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int xStart = Rectangle.X;
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int xMid = Rectangle.X + Rectangle.Width / 2;
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int xEnd = Rectangle.X + Rectangle.Width - 1;
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int yStart = Rectangle.Y;
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int yMid = Rectangle.Y + Rectangle.Height / 2;
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int yEnd = Rectangle.Y + Rectangle.Height - 1;
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Manager.ResizeNodes[(int)NodePosition.TopLeft].Position = new Point(xStart, yStart);
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Manager.ResizeNodes[(int)NodePosition.Top].Position = new Point(xMid, yStart);
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Manager.ResizeNodes[(int)NodePosition.TopRight].Position = new Point(xEnd, yStart);
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Manager.ResizeNodes[(int)NodePosition.Right].Position = new Point(xEnd, yMid);
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Manager.ResizeNodes[(int)NodePosition.BottomRight].Position = new Point(xEnd, yEnd);
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Manager.ResizeNodes[(int)NodePosition.Bottom].Position = new Point(xMid, yEnd);
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Manager.ResizeNodes[(int)NodePosition.BottomLeft].Position = new Point(xStart, yEnd);
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Manager.ResizeNodes[(int)NodePosition.Left].Position = new Point(xStart, yMid);
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}
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public virtual void Dispose()
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{
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}
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}
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} |