Add all code files

ABSpriteEditor/ABSpriteEditor.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual C# Express 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ABSpriteEditor", "ABSpriteEditor\ABSpriteEditor.csproj", "{110C6CE2-2264-4037-9BD4-C2143246D849}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{110C6CE2-2264-4037-9BD4-C2143246D849}.Debug|x86.ActiveCfg = Debug|x86
+		{110C6CE2-2264-4037-9BD4-C2143246D849}.Debug|x86.Build.0 = Debug|x86
+		{110C6CE2-2264-4037-9BD4-C2143246D849}.Release|x86.ActiveCfg = Release|x86
+		{110C6CE2-2264-4037-9BD4-C2143246D849}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

ABSpriteEditor/ABSpriteEditor/Controls/ActionPanel.cs

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+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using ABSpriteEditor.Utilities;
+
+//
+//  Copyright (C) 2022 Pharap (@Pharap)
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+
+namespace ABSpriteEditor.Controls
+{
+    public partial class ActionPanel : UserControl
+    {
+        private Bitmap image;
+
+        public event EventHandler ImageChanged;
+        public event EventHandler BeforeAction;
+        public event EventHandler AfterAction;
+
+        public ActionPanel()
+        {
+            InitializeComponent();
+        }
+
+        public Bitmap Image
+        {
+            get { return this.image; }
+            set
+            {
+                // If the assigned image is not the current image
+                if (this.image != value)
+                {
+                    // Change the image
+                    this.image = value;
+
+                    // Raise ImageChanged event
+                    this.OnImageChanged(EventArgs.Empty);
+                }
+            }
+        }
+
+        #region Methods
+
+        private void OnImageChanged(EventArgs e)
+		{
+			// Cache the handler
+			var handler = this.ImageChanged;
+
+			// If the handler isn't null
+			if (handler != null)
+				// Call the handler
+				handler(this, e);
+		}				
+
+        private void OnAfterAction(EventArgs e)
+        {
+	        // Cache the handler
+	        var handler = this.AfterAction;
+
+	        // If the handler isn't null
+	        if (handler != null)
+		        // Call the handler
+		        handler(this, e);
+        }
+
+        private void OnBeforeAction(EventArgs e)
+        {
+            // Cache the handler
+            var handler = this.BeforeAction;
+
+            // If the handler isn't null
+            if (handler != null)
+                // Call the handler
+                handler(this, e);
+        }
+
+        #endregion
+
+        private void flipHorizontallyToolStripButton_Click(object sender, EventArgs e)
+        {
+            // If there is no image
+            if (this.Image == null)
+                // Exit early
+                return;
+
+            // Raise before action event
+            this.OnBeforeAction(EventArgs.Empty);
+
+            // Defer to a helper class to horizontally flip the image
+            BitmapHelper.FlipHorizontally(this.Image);
+
+            // Raise after action event
+            this.OnAfterAction(EventArgs.Empty);
+        }
+
+        private void flipVerticallyToolStripButton_Click(object sender, EventArgs e)
+        {
+            // If there is no image
+            if (this.Image == null)
+                // Exit early
+                return;
+
+            // Raise before action event
+            this.OnBeforeAction(EventArgs.Empty);
+
+            // Defer to a helper class to vertically flip the image
+            BitmapHelper.FlipVertically(this.Image);
+
+            // Raise after action event
+            this.OnAfterAction(EventArgs.Empty);
+        }
+
+        private void toolStripButton1_Click(object sender, EventArgs e)
+        {
+            // If there is no image
+            if (this.Image == null)
+                // Exit early
+                return;
+
+            // Raise before action event
+            this.OnBeforeAction(EventArgs.Empty);
+
+            // Defer to a helper class to vertically flip the image
+            BitmapHelper.RollLeft(this.Image, 2);
+
+            // Raise after action event
+            this.OnAfterAction(EventArgs.Empty);
+        }
+    }
+}