/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (newPolygon == null)
{
return; // precaution
}
Point point = new Point(e.X, e.Y);
int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY);
if (distance < minDistance)
{
// Distance between last two points is less than minimum -
// move last point
newPolygon.MoveHandleTo(point, newPolygon.HandleCount);
}
else
{
// Add new point
newPolygon.AddPoint(point);
lastX = e.X;
lastY = e.Y;
}
drawArea.Refresh();
}
private bool _drawingInProcess = false; // Set to true when drawing
/// <summary>
/// Left nouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
{
if (e.Button ==
MouseButtons.Right)
{
_drawingInProcess = false;
newPolyLine.DrawFinish();
newPolyLine = null;
}
else
{
Point p = drawArea.BackTrackMouse(new Point(e.X, e.Y));
if (drawArea.PenType ==
DrawingPens.PenType.Generic)
{
if (_drawingInProcess == false)
{
newPolyLine = new DrawPolygon(p.X, p.Y, p.X + 1, p.Y + 1, drawArea.LineColor, drawArea.LineWidth);
newPolyLine.EndPoint = new Point(p.X + 1, p.Y + 1);
AddNewObject(drawArea, newPolyLine);
_drawingInProcess = true;
}
else
{
// Drawing is in process, so simply add a new point
newPolyLine.AddPoint(p);
newPolyLine.EndPoint = p;
}
}
else
{
if (_drawingInProcess == false)
{
newPolyLine = new DrawPolygon(p.X, p.Y, p.X + 1, p.Y + 1, drawArea.PenType);
newPolyLine.EndPoint = new Point(p.X + 1, p.Y + 1);
AddNewObject(drawArea, newPolyLine);
_drawingInProcess = true;
}
else
{
// Drawing is in process, so simply add a new point
newPolyLine.AddPoint(p);
newPolyLine.EndPoint = p;
}
}
}
}
/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (_newPolygon == null)
{
return; // precaution
}
var point = new Point(e.X, e.Y);
int distance = (e.X - _lastX) * (e.X - _lastX) + (e.Y - _lastY) * (e.Y - _lastY);
try
{
if (distance < MinDistance)
{
// Distance between last two points is less than minimum -
// move last point
_newPolygon.MoveHandleTo(point, _newPolygon.HandleCount);
}
else
{
// Add new point
_newPolygon.AddPoint(point);
_lastX = e.X;
_lastY = e.Y;
}
drawArea.Refresh();
}
catch (Exception ex)
{
ErrH.Log("ToolPolygon", "OnMouse", ex.ToString(), ErrH._LogPriority.Info);
}
}
/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(ImageDrawBox drawArea, MouseEventArgs e)
{
Point p = GetEventPointInArea(drawArea, e);
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (newPolygon == null)
{
return; // precaution
}
Point point = new Point(p.X, p.Y);
int distance = (p.X - lastX) * (p.X - lastX) + (p.Y - lastY) * (p.Y - lastY);
if (distance < minDistance)
{
// Distance between last two points is less than minimum -
// move last pointscroll
newPolygon.MoveHandleTo(point, newPolygon.HandleCount);
drawArea.GraphicsList.Dirty = true;
}
else
{
// Add new pointscroll
newPolygon.AddPoint(point);
lastX = p.X;
lastY = p.Y;
drawArea.GraphicsList.Dirty = true;
}
drawArea.Refresh();
}