private void ZoomRight()
{
double dx = _worldScale.ScreenToRealDistance(picWorld.Height / 60f);
double dy = 0;
_worldScale = CreateWorldScale(_worldScale.Factor, RealPoint.Shift(GetCenter(), dx, dy));
picWorld.Invalidate();
}
private void ZoomStep()
{
double dx = _worldScale.ScreenToRealDistance(picWorld.Height / 60f) * _moveHorizontal;
double dy = _worldScale.ScreenToRealDistance(picWorld.Height / 60f) * _moveVertical;
_worldScale = CreateWorldScale(_worldScale.Factor + _moveZoom, RealPoint.Shift(GetCenter(), dx, dy));
//_worldScale = CreateWorldScale(_worldScale.Factor + _moveZoom, GetCenter());
picWorld.Invalidate();
}
private void ZoomStepParam()
{
if (_step < 20)
{
_worldScale = CreateWorldScale(_worldScale.Factor, RealPoint.Shift(GetCenter(), _moveHorizontal, _moveVertical));
}
else if (_step < 40)
{
_worldScale = CreateWorldScale(_worldScale.Factor - _moveZoom, GetCenter());
}
_step++;
if (_step == 40)
{
_moveHorizontal = 0;
_moveVertical = 0;
_moveZoom = 0;
}
picWorld.Invalidate();
}
private void picWorld_MouseMove(object sender, MouseEventArgs e)
{
RealPoint pos = PicCoordinates();
lblPosition.Text = "X = " + pos.X.ToString().PadLeft(4) + ": Y = " + pos.Y.ToString().PadLeft(4);
if (_startPoint != null)
{
if (_shapeMode == ShapeMode.Zoom)
{
double dx = pos.X - _startPoint.X;
double dy = pos.Y - _startPoint.Y;
double finalDx = dx;
double finalDy = dy;
_rectZoomOrg = new PolygonRectangle(_startPoint, dx, dy);
if (Math.Abs(dx / dy) > Math.Abs(picWorld.Width / picWorld.Height))
{
finalDx = Math.Sign(dx) * (picWorld.Width * (Math.Abs(dy) / picWorld.Height));
}
else
{
finalDy = Math.Sign(dy) * (picWorld.Height * (Math.Abs(dx) / picWorld.Width));
}
_rectZoomFinal = new PolygonRectangle(RealPoint.Shift(_startPoint, -(finalDx - dx) / 2, -(finalDy - dy) / 2), finalDx, finalDy);
}
else if (_shapeMode != ShapeMode.None)
{
_currentShape = BuildCurrentShape(_shapeMode, _startPoint, pos);
lblItem.Text = _currentShape.GetType().Name + " : " + _currentShape.ToString();
}
picWorld.Invalidate();
}
}
