Added arrow drawing support, it is not possible to resize with nodes yet

ShareX.ScreenCaptureLib/Enums.cs

@@ -144,6 +144,8 @@ public enum ShapeType
         DrawingRectangle,
         [Description("Drawing: Rounded rectangle")]
         DrawingRoundedRectangle,
+        [Description("Drawing: Arrow")]
+        DrawingArrow,
         [Description("Region: Rectangle")]
         RegionRectangle,
         [Description("Region: Rounded rectangle")]

ShareX.ScreenCaptureLib/Forms/RectangleRegionForm.cs

@@ -387,7 +387,7 @@ protected virtual void WriteTips(StringBuilder sb)
             {
                 sb.AppendLine(Resources.RectangleRegion_WriteTips__Hold_Left_click__Start_region_selection);
                 // TODO: Translate
-                sb.AppendLine("[Right click] Open region capture menu");
+                sb.AppendLine("[Right click] Open options menu");
                 sb.AppendLine(Resources.RectangleRegion_WriteTips__Right_click___Esc__Cancel_capture);
             }
 

ShareX.ScreenCaptureLib/RegionHelpers/AreaManager.cs

@@ -519,7 +519,11 @@ public void Update()
                     newPosition = SnapPosition(PositionOnClick, newPosition);
                 }
 
-                CurrentRectangle = CaptureHelpers.CreateRectangle(PositionOnClick, newPosition);
+                if (CurrentShape != null)
+                {
+                    CurrentShape.EndPosition = newPosition;
+                    CurrentShape.Rectangle = CaptureHelpers.CreateRectangle(PositionOnClick, newPosition);
+                }
             }
 
             CheckHover();
@@ -637,6 +641,8 @@ private void RegionSelection(Point location)
                 }
 
                 AddRegionShape(rect);
+
+                CurrentShape.StartPosition = PositionOnClick;
             }
         }
 
@@ -730,6 +736,14 @@ public BaseShape CreateRegionShape(Rectangle rect)
                         Radius = RoundedRectangleRadius
                     };
                     break;
+                case ShapeType.DrawingArrow:
+                    shape = new ArrowDrawingShape()
+                    {
+                        BorderColor = BorderColor,
+                        BorderSize = BorderSize,
+                        FillColor = FillColor
+                    };
+                    break;
             }
 
             shape.Rectangle = rect;

ShareX.ScreenCaptureLib/Shapes/BaseShape.cs

@@ -34,6 +34,8 @@ public abstract class BaseShape
         public abstract ShapeType ShapeType { get; }
 
         public Rectangle Rectangle { get; set; }
+        public Point StartPosition { get; set; }
+        public Point EndPosition { get; set; }
 
         public BaseShape()
         {

ShareX.ScreenCaptureLib/Shapes/Drawing/ArrowDrawingShape.cs

@@ -0,0 +1,56 @@
+#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 <http://www.gnu.org/licenses/>.
+*/
+
+#endregion License Information (GPL v3)
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Linq;
+using System.Text;
+
+namespace ShareX.ScreenCaptureLib
+{
+    public class ArrowDrawingShape : BaseDrawingShape
+    {
+        public override ShapeType ShapeType { get; } = ShapeType.DrawingArrow;
+
+        public override void Draw(Graphics g)
+        {
+            if (BorderColor != Color.Transparent && BorderSize > 0)
+            {
+                g.SmoothingMode = SmoothingMode.HighQuality;
+
+                using (Pen pen = new Pen(BorderColor, BorderSize))
+                using (AdjustableArrowCap arrowCap = new AdjustableArrowCap(4, 6))
+                {
+                    pen.CustomEndCap = arrowCap;
+                    g.DrawLine(pen, StartPosition, EndPosition);
+                }
+
+                g.SmoothingMode = SmoothingMode.None;
+            }
+        }
+    }
+}

ShareX.ScreenCaptureLib/Shapes/Drawing/RectangleDrawingShape.cs

@@ -52,7 +52,7 @@ public override void Draw(Graphics g)
             {
                 Rectangle rect = Rectangle.Offset(BorderSize - 1);
 
-                g.DrawRectangleShadow(rect.Offset(1), Color.FromArgb(150, 150, 150), 3, 100, 10, new Padding(1));
+                //g.DrawRectangleShadow(rect.Offset(1), Color.FromArgb(150, 150, 150), 3, 100, 10, new Padding(1));
 
                 using (Pen pen = new Pen(BorderColor, BorderSize) { Alignment = PenAlignment.Inset })
                 {

ShareX.ScreenCaptureLib/ShareX.ScreenCaptureLib.csproj

@@ -81,6 +81,7 @@
     <Compile Include="RectangleAnnotateOptions.cs" />
     <Compile Include="RegionHelpers\ColorBlinkAnimation.cs" />
     <Compile Include="Shapes\BaseShape.cs" />
+    <Compile Include="Shapes\Drawing\ArrowDrawingShape.cs" />
     <Compile Include="Shapes\Drawing\BaseDrawingShape.cs" />
     <Compile Include="Shapes\Drawing\RectangleDrawingShape.cs" />
     <Compile Include="Shapes\Drawing\RoundedRectangleDrawingShape.cs" />