Auto detect scroll end option and remove duplicates

ShareX.ScreenCaptureLib/Forms/ScrollingCaptureForm.Designer.cs

@@ -33,6 +33,8 @@ private void InitializeComponent()
             this.lblMaximumScrollCount = new System.Windows.Forms.Label();
             this.tcScrollingCapture = new System.Windows.Forms.TabControl();
             this.tpCapture = new System.Windows.Forms.TabPage();
+            this.lblScrollMethod = new System.Windows.Forms.Label();
+            this.cbScrollMethod = new System.Windows.Forms.ComboBox();
             this.tpOutput = new System.Windows.Forms.TabPage();
             this.btnResetCombine = new System.Windows.Forms.Button();
             this.btnGuessCombineAdjustments = new System.Windows.Forms.Button();
@@ -55,8 +57,7 @@ private void InitializeComponent()
             this.nudTrimRight = new System.Windows.Forms.NumericUpDown();
             this.pOutput = new System.Windows.Forms.Panel();
             this.pbOutput = new System.Windows.Forms.PictureBox();
-            this.cbScrollMethod = new System.Windows.Forms.ComboBox();
+            this.cbAutoDetectScrollEnd = new System.Windows.Forms.CheckBox();
-            this.lblScrollMethod = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.nudScrollDelay)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.nudMaximumScrollCount)).BeginInit();
             this.tcScrollingCapture.SuspendLayout();
@@ -95,7 +96,7 @@ private void InitializeComponent()
             // btnCapture
             // 
             this.btnCapture.Enabled = false;
-            this.btnCapture.Location = new System.Drawing.Point(16, 128);
+            this.btnCapture.Location = new System.Drawing.Point(16, 144);
             this.btnCapture.Name = "btnCapture";
             this.btnCapture.Size = new System.Drawing.Size(152, 23);
             this.btnCapture.TabIndex = 2;
@@ -161,6 +162,7 @@ private void InitializeComponent()
             // 
             // tpCapture
             // 
+            this.tpCapture.Controls.Add(this.cbAutoDetectScrollEnd);
             this.tpCapture.Controls.Add(this.lblScrollMethod);
             this.tpCapture.Controls.Add(this.cbScrollMethod);
             this.tpCapture.Controls.Add(this.btnSelectHandle);
@@ -178,6 +180,24 @@ private void InitializeComponent()
             this.tpCapture.Text = "Capture";
             this.tpCapture.UseVisualStyleBackColor = true;
             // 
+            // lblScrollMethod
+            // 
+            this.lblScrollMethod.AutoSize = true;
+            this.lblScrollMethod.Location = new System.Drawing.Point(16, 48);
+            this.lblScrollMethod.Name = "lblScrollMethod";
+            this.lblScrollMethod.Size = new System.Drawing.Size(74, 13);
+            this.lblScrollMethod.TabIndex = 8;
+            this.lblScrollMethod.Text = "Scroll method:";
+            // 
+            // cbScrollMethod
+            // 
+            this.cbScrollMethod.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.cbScrollMethod.FormattingEnabled = true;
+            this.cbScrollMethod.Location = new System.Drawing.Point(136, 44);
+            this.cbScrollMethod.Name = "cbScrollMethod";
+            this.cbScrollMethod.Size = new System.Drawing.Size(176, 21);
+            this.cbScrollMethod.TabIndex = 7;
+            // 
             // tpOutput
             // 
             this.tpOutput.Controls.Add(this.btnResetCombine);
@@ -438,23 +458,16 @@ private void InitializeComponent()
             this.pbOutput.TabIndex = 0;
             this.pbOutput.TabStop = false;
             // 
-            // cbScrollMethod
+            // cbAutoDetectScrollEnd
             // 
-            this.cbScrollMethod.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.cbAutoDetectScrollEnd.AutoSize = true;
-            this.cbScrollMethod.FormattingEnabled = true;
+            this.cbAutoDetectScrollEnd.Location = new System.Drawing.Point(16, 120);
-            this.cbScrollMethod.Location = new System.Drawing.Point(136, 44);
+            this.cbAutoDetectScrollEnd.Name = "cbAutoDetectScrollEnd";
-            this.cbScrollMethod.Name = "cbScrollMethod";
+            this.cbAutoDetectScrollEnd.Size = new System.Drawing.Size(129, 17);
-            this.cbScrollMethod.Size = new System.Drawing.Size(176, 21);
+            this.cbAutoDetectScrollEnd.TabIndex = 9;
-            this.cbScrollMethod.TabIndex = 7;
+            this.cbAutoDetectScrollEnd.Text = "Auto detect scroll end";
-            // 
+            this.cbAutoDetectScrollEnd.UseVisualStyleBackColor = true;
-            // lblScrollMethod
+            this.cbAutoDetectScrollEnd.CheckedChanged += new System.EventHandler(this.cbAutoDetectScrollEnd_CheckedChanged);
-            // 
-            this.lblScrollMethod.AutoSize = true;
-            this.lblScrollMethod.Location = new System.Drawing.Point(16, 48);
-            this.lblScrollMethod.Name = "lblScrollMethod";
-            this.lblScrollMethod.Size = new System.Drawing.Size(74, 13);
-            this.lblScrollMethod.TabIndex = 8;
-            this.lblScrollMethod.Text = "Scroll method:";
             // 
             // ScrollingCaptureForm
             // 
@@ -524,5 +537,6 @@ private void InitializeComponent()
         private Button btnResetCombine;
         private Label lblScrollMethod;
         private ComboBox cbScrollMethod;
+        private CheckBox cbAutoDetectScrollEnd;
     }
 }

ShareX.ScreenCaptureLib/Forms/ScrollingCaptureForm.cs

@@ -58,6 +58,7 @@ public ScrollingCaptureForm(ScrollingCaptureOptions options)
             cbScrollMethod.SelectedIndex = (int)Options.ScrollMethod;
             nudScrollDelay.Value = Options.ScrollDelay;
             nudMaximumScrollCount.Value = Options.MaximumScrollCount;
+            cbAutoDetectScrollEnd.Checked = options.AutoDetectScrollEnd;
         }
 
         protected override void Dispose(bool disposing)
@@ -154,6 +155,7 @@ private void StopCapture()
             this.ShowActivate();
             tcScrollingCapture.SelectedTab = tpOutput;
             btnGuessEdges.Enabled = btnGuessCombineAdjustments.Enabled = btnCombine.Enabled = images.Count > 1;
+            RemoveLastDuplicates();
             ResetCombine();
         }
 
@@ -175,6 +177,28 @@ private void Clean()
             }
         }
 
+        private void RemoveLastDuplicates()
+        {
+            if (images.Count > 1)
+            {
+                for (int i = images.Count - 1; i > 0; i--)
+                {
+                    bool result = ImageHelpers.IsImagesEqual((Bitmap)images[i], (Bitmap)images[i - 1]);
+
+                    if (result)
+                    {
+                        Image img = images[i];
+                        images.Remove(img);
+                        img.Dispose();
+                    }
+                    else
+                    {
+                        return;
+                    }
+                }
+            }
+        }
+
         private void captureTimer_Tick(object sender, EventArgs e)
         {
             Screenshot.CaptureCursor = false;
@@ -187,7 +211,7 @@ private void captureTimer_Tick(object sender, EventArgs e)
 
             currentScrollCount++;
 
-            if (currentScrollCount == Options.MaximumScrollCount || IsScrollReachedBottom(selectedWindow.Handle))
+            if (currentScrollCount == Options.MaximumScrollCount || (Options.AutoDetectScrollEnd && IsScrollReachedBottom(selectedWindow.Handle)))
             {
                 StopCapture();
             }
@@ -217,6 +241,11 @@ private void nudMaximumScrollCount_ValueChanged(object sender, EventArgs e)
             Options.MaximumScrollCount = (int)nudMaximumScrollCount.Value;
         }
 
+        private void cbAutoDetectScrollEnd_CheckedChanged(object sender, EventArgs e)
+        {
+            Options.AutoDetectScrollEnd = cbAutoDetectScrollEnd.Checked;
+        }
+
         private bool IsScrollReachedBottom(IntPtr handle)
         {
             SCROLLINFO scrollInfo = new SCROLLINFO();

ShareX.ScreenCaptureLib/ScrollingCaptureOptions.cs

@@ -36,6 +36,7 @@ public class ScrollingCaptureOptions
         public ScrollingCaptureScrollMethod ScrollMethod { get; set; } = ScrollingCaptureScrollMethod.SendMessageScroll;
         public int ScrollDelay { get; set; } = 250;
         public int MaximumScrollCount { get; set; } = 20;
+        public bool AutoDetectScrollEnd { get; set; } = true;
         public int TrimLeftEdge { get; set; } = 0;
         public int TrimTopEdge { get; set; } = 0;
         public int TrimRightEdge { get; set; } = 0;