private void 열기ToolStripMenuItem_Click(object sender, EventArgs e) { OpenFileDialog chooser = new OpenFileDialog(); chooser.Title = "File Open"; chooser.Filter = "All Files (*.*)|*.*"; chooser.InitialDirectory = "."; if (chooser.ShowDialog() != DialogResult.OK) { return; } _fileName = chooser.FileName; _figures.Clear(); _selectedFigure = null; BinaryFormatter formatter = new BinaryFormatter(); Stream input = File.OpenRead(_fileName); _figures = (FigureList)formatter.Deserialize(input); input.Close(); for (int i = 0; i < _figures.Count; i++) { Figure ptr = _figures.getAt(i); ptr.makeRegion(); ptr.setView(canvas); if (ptr is Point) { ptr.setPopup(pointPopup); } else if (ptr is Line) { ptr.setPopup(linePopup); } else if (ptr is Box) { ptr.setPopup(boxPopup); } else if (ptr is Circle) { ptr.setPopup(circlePopup); } } canvas.Invalidate(); }
private void canvas_MouseDown(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Right) { _selectedFigure = null; for (int i = 0; i < _figures.Count; i++) { Figure fig = _figures.getAt(i); if (fig.ptInRegion(e.X, e.Y)) { _selectedFigure = fig; break; } } if (_selectedFigure != null) { _selectedFigure.popup(canvas, e.Location); } else { mainPopup.popup(canvas, e.Location); } } else { _selectedFigure = null; for (int i = 0; i < _figures.Count; i++) { Figure fig = _figures.getAt(i); if (fig.ptInRegion(e.X, e.Y)) { _selectedFigure = fig; break; } } if (_selectedFigure != null) { _figures.removeFigure(_selectedFigure); _currentX = e.X; _currentY = e.Y; _actionMode = MOVING; canvas.Invalidate(); return; } Graphics g = canvas.CreateGraphics(); Pen aPen = new Pen(Color.Black, 2); if (whatToDraw == DRAW_RECT) { _selectedFigure = new Box(canvas, e.X, e.Y, e.X, e.Y); _selectedFigure.setPopup(boxPopup); } else if (whatToDraw == DRAW_LINE) { _selectedFigure = new Line(canvas, e.X, e.Y, e.X, e.Y); _selectedFigure.setPopup(linePopup); } else if (whatToDraw == DRAW_CIRCLE) { _selectedFigure = new Circle(canvas, e.X, e.Y, e.X, e.Y); _selectedFigure.setPopup(circlePopup); } else if (whatToDraw == DRAW_POINT) { _selectedFigure = new Point(canvas, e.X, e.Y); _selectedFigure.setPopup(pointPopup); } _selectedFigure.draw(g); bMousePressed = true; _actionMode = DRAWING; } }