Fixed the eyedropping bug

Paint_2/Form1.Designer.cs

@@ -55,6 +55,7 @@
             this.btnColorHistory1 = new System.Windows.Forms.Button();
             this.btnClear = new System.Windows.Forms.Button();
             this.panelTools = new System.Windows.Forms.Panel();
+            this.btnEyeDrop = new System.Windows.Forms.Button();
             this.pbxSample = new System.Windows.Forms.PictureBox();
             this.btnRandomColor = new System.Windows.Forms.Button();
             this.btnColorPicker = new System.Windows.Forms.Button();
@@ -395,9 +396,9 @@
             this.panelTools.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
             this.panelTools.BackColor = System.Drawing.Color.Transparent;
             this.panelTools.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            this.panelTools.Controls.Add(this.btnEyeDrop);
             this.panelTools.Controls.Add(this.pbxSample);
             this.panelTools.Controls.Add(this.btnRandomColor);
-            this.panelTools.Controls.Add(this.btnColorPicker);
             this.panelTools.Controls.Add(this.btnColorHistory1);
             this.panelTools.Controls.Add(this.label4);
             this.panelTools.Controls.Add(this.btnColorHistory2);
@@ -409,6 +410,20 @@
             this.panelTools.Size = new System.Drawing.Size(200, 193);
             this.panelTools.TabIndex = 31;
             // 
+            // btnEyeDrop
+            // 
+            this.btnEyeDrop.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(59)))), ((int)(((byte)(59)))), ((int)(((byte)(59)))));
+            this.btnEyeDrop.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
+            this.btnEyeDrop.Font = new System.Drawing.Font("Cascadia Code", 10.2F);
+            this.btnEyeDrop.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(247)))), ((int)(((byte)(247)))), ((int)(((byte)(247)))));
+            this.btnEyeDrop.Location = new System.Drawing.Point(11, 74);
+            this.btnEyeDrop.Name = "btnEyeDrop";
+            this.btnEyeDrop.Size = new System.Drawing.Size(178, 33);
+            this.btnEyeDrop.TabIndex = 36;
+            this.btnEyeDrop.Text = "EyeDropper";
+            this.btnEyeDrop.UseVisualStyleBackColor = false;
+            this.btnEyeDrop.Click += new System.EventHandler(this.btnEyeDrop_Click);
+            // 
             // pbxSample
             // 
             this.pbxSample.Location = new System.Drawing.Point(10, 152);
@@ -437,7 +452,7 @@
             this.btnColorPicker.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
             this.btnColorPicker.Font = new System.Drawing.Font("Cascadia Code", 10.2F);
             this.btnColorPicker.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(247)))), ((int)(((byte)(247)))), ((int)(((byte)(247)))));
-            this.btnColorPicker.Location = new System.Drawing.Point(10, 72);
+            this.btnColorPicker.Location = new System.Drawing.Point(733, 12);
             this.btnColorPicker.Name = "btnColorPicker";
             this.btnColorPicker.Size = new System.Drawing.Size(177, 35);
             this.btnColorPicker.TabIndex = 33;
@@ -605,6 +620,7 @@
             this.ClientSize = new System.Drawing.Size(1132, 655);
             this.Controls.Add(this.panel3);
             this.Controls.Add(this.panel2);
+            this.Controls.Add(this.btnColorPicker);
             this.Controls.Add(this.panel1);
             this.Controls.Add(this.panelHoverColor);
             this.Controls.Add(this.panelSelectedColor);
@@ -685,6 +701,7 @@
         private System.Windows.Forms.Button button1;
         private System.Windows.Forms.ListBox listBox1;
         private System.Windows.Forms.Button btnLoadFile;
+        private System.Windows.Forms.Button btnEyeDrop;
     }
 }
 

Paint_2/Form1.cs

@@ -29,6 +29,7 @@ namespace Paint_2
         List<PaintTool> toolList;
         bool drawing = false;
         bool randomColor = false;
+        bool eyeDropping = false;
         Random rnd;
         Color hoveringColor;
         public PaintForm()
@@ -50,6 +51,17 @@ namespace Paint_2
             return canvas.PointToClient(MousePosition);
         }
         private void canvas_MouseDown(object sender, MouseEventArgs e)
+        {
+            if (eyeDropping)
+            {
+                Color pointedColor = GetHoverColor();
+                if (sketch.CurrentTool.Color != pointedColor)
+                {
+                    sketch.ChangePaintToolColor(pointedColor);
+                    RefreshUi();
+                }
+            }
+            else
             {
                 drawing = true;
                 if (randomColor)
@@ -61,13 +73,17 @@ namespace Paint_2
                     sketch.StartDrawing(MousePositionToCanvasPosition(), sketch.CurrentTool.Color, (int)nupPencilWidth.Value);
                 }
             }
+        }
         private void canvas_MouseUp(object sender, MouseEventArgs e)
+        {
+            if (!eyeDropping)
             {
                 sketch.AddDrawingPoint(MousePositionToCanvasPosition());
                 drawing = false;
                 canvas.Image = sketch.StopDrawing((Bitmap)canvas.Image);
                 RefreshUi();
             }   
+        }
 
         private void tmrRefresh_Tick(object sender, EventArgs e)
         {
@@ -127,6 +143,14 @@ namespace Paint_2
             {
                 btnRandomColor.BackColor = FLAT_RED;
             }
+            if (eyeDropping)
+            {
+                btnEyeDrop.BackColor = FLAT_GREEN;
+            }
+            else
+            {
+                btnEyeDrop.BackColor = FLAT_RED;
+            }
         }
         private Bitmap DrawSample(Size size)
         {
@@ -245,5 +269,10 @@ namespace Paint_2
         {
 
         }
+
+        private void btnEyeDrop_Click(object sender, EventArgs e)
+        {
+            eyeDropping = !eyeDropping;
+        }
     }
 }