public override void OnMouseDown(object sender, MouseEventArgs e)
{
_drawing = true;
CanvasView canvasView = sender as CanvasView;
_previousPoint = canvasView.GetBitmapLocation(e.Location);
Canvas canvas = canvasView.Canvas;
canvas.FillCircle(_pen, _previousPoint);
}
public override void OnMouseMove(object sender, MouseEventArgs e)
{
if (_drawing)
{
CanvasView canvasView = sender as CanvasView;
Point currentPoint = canvasView.GetBitmapLocation(e.Location);
Canvas canvas = canvasView.Canvas;
canvas.DrawLine(_pen, _previousPoint, currentPoint);
_previousPoint = currentPoint;
}
}
public override void OnMouseDown(object sender, MouseEventArgs e)
{
TextDialog textDialog = new TextDialog();
DialogResult dialogResult = textDialog.ShowDialog();
if (dialogResult == DialogResult.OK)
{
CanvasView canvasView = sender as CanvasView;
_point = canvasView.GetBitmapLocation(e.Location);
Canvas canvas = canvasView.Canvas;
Font font = new Font(_fontFamily, Size);
canvas.DrawText(textDialog.Text, font, Color, _point);
}
}
