/// <summary>
/// Determine is mouse on the element or not.
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
internal override bool IsMouseOnTheElement(PointF point)
{
PointF[] tmpPoints = convertDataPointToPointFArrayWithTranslate(points, YAxis.HeightRate, XAxis.WidthRate, YAxis.Center, XAxis.Center);
float tmpYAxesCenterWidth = XAxis.Center;
if (tmpPoints.Length > 1)
{
if (AutoShift)
{
if (points.GetLast().XValue > XAxis.Maximum)
{
tmpYAxesCenterWidth = -((float)points.GetLast().XValue - XAxis.Maximum) * XAxis.WidthRate + YAxis.Center;
}
else
{
tmpYAxesCenterWidth = -tmpPoints[0].X + YAxis.Center;
}
}
}
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
if (tmpPoints.Length > 2)
{
gp.AddLines(tmpPoints);
}
//if (XAxis.Labels.Count > 0)
// point = new PointF(point.X - XAxis.WidthRate / 2, point.Y);
point = new PointF(point.X - transLate.X, point.Y);
return(gp.IsOutlineVisible(point, new Pen(Color.Red, mouseHitRay)));
}
public override bool HitTest(System.Drawing.Point pt)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Drawing2D.Matrix myMatrix = new System.Drawing.Drawing2D.Matrix();
System.Drawing.Pen myPen = new System.Drawing.Pen(this.m_lineColor, (float)this.m_lineWidth + 2);
float X = (float)this.X;
float Y = (float)this.Y;
if (this.m_BondType == ChemInfo.BondType.Single)
{
gp.AddLine(X, Y, X + m_Size.Width, Y + m_Size.Height);
}
if (this.m_BondType == ChemInfo.BondType.Double)
{
gp.AddLine(X + m_OffsetX, Y + m_OffsetY, X + m_Size.Width + m_OffsetX, Y + m_Size.Height + m_OffsetY);
gp.AddLine(X - m_OffsetX, Y - m_OffsetY, X + m_Size.Width - m_OffsetX, Y + m_Size.Height - m_OffsetY);
}
if (this.m_BondType == ChemInfo.BondType.Triple)
{
gp.AddLine(X + m_OffsetX, Y + m_OffsetY, X + m_Size.Width + m_OffsetX, Y + m_Size.Height + m_OffsetY);
gp.AddLine(X, Y, X + m_Size.Width, Y + m_Size.Height);
gp.AddLine(X - m_OffsetX, Y - m_OffsetY, X + m_Size.Width - m_OffsetX, Y + m_Size.Height - m_OffsetY);
}
myMatrix.RotateAt((float)this.m_Rotation, new System.Drawing.PointF(X, Y), System.Drawing.Drawing2D.MatrixOrder.Append);
gp.Transform(myMatrix);
return(gp.IsOutlineVisible(pt, myPen));
}
public override bool HitTest(System.Drawing.PointF point, float precisionDelta)
{
bool result = false;
if (_pen != null || _brush != null)
{
using (System.Drawing.Drawing2D.GraphicsPath actualPath = (System.Drawing.Drawing2D.GraphicsPath) this.Path.Clone())
{
actualPath.Transform(_matrix);
if (_pen != null)
{
using (System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Black, _pen.Width + precisionDelta))
result = actualPath.IsOutlineVisible(point, pen);
}
if (!result && _brush != null)
{
result = actualPath.IsVisible(point);
}
}
}
return(result);
}
public override bool HitTest(System.Drawing.Point point, ICoordinateMapper coordinateMapper)
{
if (coordinateMapper == null)
{
throw new System.ArgumentNullException("coordinateMapper");
}
bool result = false;
if (base.Enabled && _path != null)
{
System.Drawing.Point convertedPoint = coordinateMapper.WorkspaceToControl(base.Location, Aurigma.GraphicsMill.Unit.Point);
point.X -= convertedPoint.X;
point.Y -= convertedPoint.Y;
result = _path.IsVisible(point);
if (!result && this.Pen != null)
{
result = _path.IsOutlineVisible(point, this.Pen);
}
}
return(result);
}
// Graphics methods
//chuck's new code 2/20/04
//this method indicates whether point is along outline of graphic
//and if so, what type of cursor should show
public virtual void BoundaryTest(System.Drawing.Point pt, SizeDirection dir)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Drawing2D.Matrix myMatrix = new System.Drawing.Drawing2D.Matrix();
System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Black, 3);
gp.AddRectangle(new System.Drawing.Rectangle(this.m_Position.X - 3, this.m_Position.Y - 3, this.m_Size.Width + 6, this.m_Size.Height + 6));
if (this.m_Rotation != 0)
{
myMatrix.RotateAt((float)this.m_Rotation, new System.Drawing.PointF((float)this.X, (float)this.Y), System.Drawing.Drawing2D.MatrixOrder.Append);
}
gp.Transform(myMatrix);
dir = SizeDirection.NA;
if (gp.IsOutlineVisible(pt, pen))
{
//user has placed the mouse along the outline of the selected
//object - change the mouse to allow for resizing
System.Drawing.RectangleF rect = gp.GetBounds();
if (Math.Abs((int)rect.Left - pt.X) <= 2)
{
if (Math.Abs((int)rect.Top - pt.Y) <= 2)
{
dir = SizeDirection.Northwest;
}
else if (Math.Abs((int)rect.Bottom - pt.Y) <= 2)
{
dir = SizeDirection.Southwest;
}
else
{
dir = SizeDirection.West;
}
}
else if (Math.Abs((int)rect.Right - pt.X) <= 2)
{
if (Math.Abs((int)rect.Top - pt.Y) <= 2)
{
dir = SizeDirection.Northeast;
}
else if (Math.Abs((int)rect.Bottom - pt.Y) <= 2)
{
dir = SizeDirection.Southeast;
}
else
{
dir = SizeDirection.East;
}
}
else if (Math.Abs((int)rect.Top - pt.Y) <= 2)
{
dir = SizeDirection.North;
}
else
{
dir = SizeDirection.South;
}
}
}
public override bool HitTest(System.Drawing.Point pt)
{
System.Drawing.Drawing2D.GraphicsPath gp = new System.Drawing.Drawing2D.GraphicsPath();
System.Drawing.Drawing2D.Matrix myMatrix = new System.Drawing.Drawing2D.Matrix();
System.Drawing.Pen myPen = new System.Drawing.Pen(this.m_lineColor, (float)this.m_lineWidth + 2);
float X = (float)this.X;
float Y = (float)this.Y;
gp.AddLine(X, Y, X + m_Size.Width, Y + m_Size.Height);
myMatrix.RotateAt((float)this.m_Rotation, new System.Drawing.PointF(X, Y), System.Drawing.Drawing2D.MatrixOrder.Append);
gp.Transform(myMatrix);
return(gp.IsOutlineVisible(pt, myPen));
}
private void FrmPolygonShape2_Paint(object sender, PaintEventArgs e)
{
/// zoom and shift the output
Form f = (Form)sender;
double d = f.ClientSize.Width / (double)f.ClientSize.Height;
_shiftX = pt.Min(a => a.X);
_shiftY = pt.Min(a => a.Y);
float distX = Math.Abs(pt.Max(a => a.X) - _shiftX);
float distY = Math.Abs(pt.Max(a => a.Y) - _shiftY);
double factor = distX / distY;
_zoom = 1.0f;
_zoom = factor >= d ? (float)(f.ClientSize.Width / distX) : (float)(f.ClientSize.Height / distY);
e.Graphics.ScaleTransform(_zoom, _zoom);
e.Graphics.TranslateTransform(-_shiftX * _zoom, -_shiftY * _zoom, System.Drawing.Drawing2D.MatrixOrder.Append);
/// make nicer look
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
/// setup the path and test for being inside
using (System.Drawing.Drawing2D.GraphicsPath myPath = new System.Drawing.Drawing2D.GraphicsPath())
{
myPath.AddLines(pt);
myPath.CloseFigure();
using (Pen pen = new Pen(Color.Blue, 4))
e.Graphics.DrawPath(pen, myPath);
using (Pen pen = new Pen(Color.Blue))
{
/// IsoutlineVisible is not needed normally
if (myPath.IsVisible(ptCheck) || myPath.IsOutlineVisible(ptCheck, pen))
{
this.Text = "inside - Origin at " + new PointF(_shiftX, _shiftY).ToString() + "; ZoomFacotr: ";// + _zoom.ToString();
}
else
{
this.Text = "outside - Origin at " + new PointF(_shiftX, _shiftY).ToString() + "; ZoomFacotr: ";// + _zoom.ToString();
}
}
}
/// draw the testpoint as a small cross
using (Pen pen = new Pen(Color.Red, 4))
{
e.Graphics.DrawLine(pen, ptCheck.X - 5 / _zoom, ptCheck.Y, ptCheck.X + 5 / _zoom, ptCheck.Y);
e.Graphics.DrawLine(pen, ptCheck.X, ptCheck.Y - 5 / _zoom, ptCheck.X, ptCheck.Y + 5 / _zoom);
}
}
