// DO - UNDO SHORTCUTS
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == (Keys.Control | Keys.Z))
{
ponówToolStripMenuItem.Enabled = true;
if (drawings.Count > 0)
{
temp.Add(drawings[drawings.Count - 1]);
drawings.RemoveAt(drawings.Count - 1);
Drawing_Box.Refresh();
}
return(true);
}
else if (keyData == (Keys.Control | Keys.Y))
{
if (temp.Count > 0)
{
drawings.Add(temp[temp.Count - 1]);
temp.RemoveAt(temp.Count - 1);
Drawing_Box.Refresh();
if (temp.Count == 0)
{
ponówToolStripMenuItem.Enabled = false;
}
}
return(true);
}
return(base.ProcessCmdKey(ref msg, keyData));
}
// --
// MAIN FORM
public Form1()
{
InitializeComponent();
drawings = new List <Shape>();
temp = new List <Shape>();
penLocation = new List <Point>();
eraserLocation = new List <Point>();
dashValues = new float[4];
drawingPen = new Pen(color, penSize);
Filling_Box.Visible = false;
Eraser_Size_Box.Visible = false;
ponówToolStripMenuItem.Enabled = false;
Drawing_Box.Image = new Bitmap(Drawing_Box.Width, Drawing_Box.Height);
g = Graphics.FromImage(Drawing_Box.Image);
bw.DoWork +=
new DoWorkEventHandler(bw_DoWork);
bw.RunWorkerCompleted +=
new RunWorkerCompletedEventHandler(bw_RunWorkerCompleted);
// Drawing_Box.SizeMode = PictureBoxSizeMode.CenterImage;
Drawing_Box.GetType().GetMethod("SetStyle",
System.Reflection.BindingFlags.Instance |
System.Reflection.BindingFlags.NonPublic).Invoke(panel1,
new object[] { System.Windows.Forms.ControlStyles.UserPaint |
System.Windows.Forms.ControlStyles.AllPaintingInWmPaint |
System.Windows.Forms.ControlStyles.DoubleBuffer, true });
}
// MAIN OPERATIONS - MENU
private void nowyToolStripMenuItem_Click(object sender, EventArgs e)
{
Drawing_Box.Image = new Bitmap(Drawing_Box.Width, Drawing_Box.Height);
drawings.Clear();
temp.Clear();
Drawing_Box.Refresh();
}
// DO - UNDO - MENU
private void cofnijToolStripMenuItem_Click(object sender, EventArgs e)
{
ponówToolStripMenuItem.Enabled = true;
if (drawings.Count > 0)
{
temp.Add(drawings[drawings.Count - 1]);
drawings.RemoveAt(drawings.Count - 1);
Drawing_Box.Refresh();
}
}
private void bw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
toolStripProgressBar1.Style = ProgressBarStyle.Continuous;
toolStripProgressBar1.MarqueeAnimationSpeed = 0;
if (operation.Equals("open"))
{
Drawing_Box.Refresh();
drawings.Clear();
temp.Clear();
}
}
private void ponówToolStripMenuItem_Click(object sender, EventArgs e)
{
if (temp.Count > 0)
{
drawings.Add(temp[temp.Count - 1]);
temp.RemoveAt(temp.Count - 1);
Drawing_Box.Refresh();
if (temp.Count == 0)
{
ponówToolStripMenuItem.Enabled = false;
}
}
}
void button_Click(object sender, EventArgs e)
{
IPlugin plugin = (sender as Button).Tag as IPlugin;
Bitmap bmp1 = new Bitmap(Drawing_Box.Width, Drawing_Box.Height);
panel1.DrawToBitmap(bmp1, Drawing_Box.Bounds);
IPlugin plug = ((IPlugin)Activator.CreateInstance(plugin.GetType()));
Drawing_Box.Image = plug.workOnPicture(bmp1);
drawings.Clear();
temp.Clear();
Drawing_Box.Refresh();
}
private void Drawing_Box_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (CurrentShape == shape.pen)
{
penLocation.Add(e.Location);
}
if (CurrentShape == shape.eraser)
{
eraserLocation.Add(e.Location);
}
if (Control.ModifierKeys == Keys.Shift && CurrentShape == shape.line)
{
endPoint = e.Location;
if ((endPoint.X > startPoint.X + 50) || endPoint.X < startPoint.X - 50)
{
shiftY = startPoint.Y;
shiftX = endPoint.X;
}
else
{
shiftY = endPoint.Y;
shiftX = startPoint.X;
}
endPoint = new Point(shiftX, shiftY);
}
else if (Control.ModifierKeys == Keys.Shift && CurrentShape == shape.square)
{
endPoint = e.Location;
endPoint = new Point(endPoint.X, endPoint.X);
}
else
{
endPoint = e.Location;
}
}
Drawing_Box.Refresh();
if (CurrentShape == shape.square || CurrentShape == shape.elipse)
{
Coords_Label.Text = e.X + "," + e.Y + " [ " + (Math.Max(startPoint.X, endPoint.X) - Math.Min(startPoint.X, endPoint.X)) + " x " + (Math.Max(startPoint.Y, endPoint.Y) - Math.Min(startPoint.Y, endPoint.Y)) + " ] ";
}
else
{
Coords_Label.Text = e.X + "," + e.Y;
}
}
