public override void OnKeyUp(CanvasPanel canvasPanel, KeyEventArgs e)
{
if (e.KeyCode==Keys.Delete && SelectedShape!=null)
{
DeleteSelectedShape(canvasPanel);
canvasPanel.Refresh();
}
}
public override void OnKeyUp(CanvasPanel canvasPanel, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape && _activePolygon!=null)
{
ShapeCancelledEvent.Invoke(this,new ShapeEventArgs(_activePolygon));
this._activePolygon = null;
canvasPanel.Refresh();
}
}
public override void OnMouseDoubleClick(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (SelectedShape != null)
{
using (var editShapeDialog = new EditShapeDialog(SelectedShape))
{
editShapeDialog.ShowDialog();
canvasPanel.Refresh();
}
}
}
}
public override void OnMouseDown(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
SelectedShape = GetClickedShape(canvasPanel, e);
if (this.SelectedShape != null)
{
canvasPanel.Cursor = Cursors.SizeAll;
_dragInfo = new DragInfo(e, SelectedShape.GetHandlerAt(e.Location));
}
}
canvasPanel.Refresh();
}
public override void OnDeactivate(CanvasPanel canvasPanel)
{
if (this._activePolygon!=null)
{
if (!_activePolygon.Created)
{
if (_activePolygon.Vertices.Count >= 3)
_activePolygon.Created = true;
else
canvasPanel.Shapes.Remove(_activePolygon);
}
_activePolygon = null;
canvasPanel.Refresh();
}
}
public override void OnMouseDown(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (_activePolygon == null)
{
_activePolygon = new Polygon(canvasPanel.CurrentColor, canvasPanel.CurrentLineWidth);
canvasPanel.Shapes.Insert(0,_activePolygon);
_activePolygon.AddVertex(e.Location);
}
//Wierzchołek, którym będziemy poruszać
_activePolygon.AddVertex(e.Location);
if (_activePolygon.Created)
ShapeCreatedEvent.Invoke(this,new ShapeEventArgs(_activePolygon));
canvasPanel.Refresh();
}
private void Init()
{
_canvasPanel = new CanvasPanel();
mainWindowSplitContainer.Panel2.Controls.Add(_canvasPanel);
mainWindowSplitContainer.FixedPanel = FixedPanel.Panel1;
_canvasPanel.Location = new Point(3, 3);
_canvasPanel.Anchor = AnchorStyles.Left | AnchorStyles.Bottom | AnchorStyles.Top | AnchorStyles.Right;
_canvasPanel.Size = new Size(_canvasPanel.Parent.Width - 8, _canvasPanel.Parent.Height - 5);
_canvasPanel.MouseMove += canvasPanel_MouseMove;
_canvasPanel.ToolChangedEvent += canvasPanel_ToolChangedEvent;
this.Resize += MainForm_Resize;
_canvasPanel.Paint += canvasPanel_Paint;
pixelCountLabel.Text = string.Format("Liczba pixeli: " + GraphicsExtensions.PixelCount);
canvasSizeLabel.Text = string.Format("Rozmiar: " + _canvasPanel.Width + " x " + _canvasPanel.Height);
}
public virtual void OnKeyUp(CanvasPanel canvasPanel,KeyEventArgs e)
{
}
public override void OnDeactivate(CanvasPanel canvasPanel)
{
this.SelectedShape = null;
}
public override void OnActivate(CanvasPanel canvasPanel)
{
base.OnActivate(canvasPanel);
}
private void DeleteSelectedShape(CanvasPanel canvasPanel)
{
canvasPanel.Shapes.Remove(SelectedShape);
SelectedShape = null;
}
private Shape GetClickedShape(CanvasPanel canvasPanel, MouseEventArgs e)
{
foreach (var shape in canvasPanel.Shapes)
{
if (shape.GetHandlerAt(e.Location) > -1)
return shape;
if (shape.Contains(e.Location))
return shape;
}
return null;
}
public override void OnMouseUp(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
canvasPanel.Cursor = this.Cursor;
_dragInfo = null;
}
else if (e.Button==MouseButtons.Right)
{
if (_selectedShape!=null)
{
if (_selectedShape.GetType() == typeof(Polygon))
{
var poly = (Polygon) SelectedShape;
int clickedHandler = _selectedShape.GetHandlerAt(e.Location);
if (clickedHandler > -1)
{
poly.RemoveVertex(clickedHandler);
}
else
{
poly.AddVertex(e.Location);
}
}
canvasPanel.Refresh();
}
}
}
public virtual void OnMouseUp(CanvasPanel canvasPanel, MouseEventArgs e)
{
}
public override void OnMouseUp(CanvasPanel canvasPanel, MouseEventArgs e)
{
}
public override void OnMouseMove(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (_activePolygon != null)
{
_activePolygon.Vertices[_activePolygon.Vertices.Count - 1] = e.Location;
}
canvasPanel.Refresh();
}
public virtual void OnDeactivate(CanvasPanel canvasPanel)
{
}
public override void OnMouseMove(CanvasPanel canvasPanel, MouseEventArgs e)
{
if (_selectedShape != null && _dragInfo != null)
{
_dragInfo.CurrentPosition = e.Location;
if (_dragInfo.Button == MouseButtons.Left)
{
if (_dragInfo.DraggedHandlerNumber>-1)
{
_selectedShape.MoveHandler(_dragInfo.DraggedHandlerNumber,_dragInfo.DragDelta.X,_dragInfo.DragDelta.Y);
}
else
{
_selectedShape.Move(_dragInfo.DragDelta.X, _dragInfo.DragDelta.Y);
}
}
canvasPanel.Refresh();
}
else if (_selectedShape!=null && _dragInfo==null && _selectedShape.GetHandlerAt(e.Location)>-1)
{
canvasPanel.Cursor = Cursors.Hand;
}
else
{
canvasPanel.Cursor = this.Cursor;
}
}
public virtual void OnMouseDoubleClick(CanvasPanel canvasPanel, MouseEventArgs e)
{
}