public MarkerBase(MarkerBase prototype) : base(prototype)
{
_width = prototype.Width;
_height = prototype.Height;
_backColor = prototype.BackColor;
_drawBackground = prototype.DrawBackground;
_centered = prototype.Centered;
}
public MarkerBase(MarkerBase prototype) : base(prototype)
{
mWidth = prototype.Width;
mHeight = prototype.Height;
mBackColor = prototype.BackColor;
mDrawBackground = prototype.DrawBackground;
mCentered = prototype.Centered;
}
public MarkerBase(MarkerBase prototype): base(prototype)
{
mWidth = prototype.Width;
mHeight = prototype.Height;
mBackColor = prototype.BackColor;
mDrawBackground = prototype.DrawBackground;
mCentered = prototype.Centered;
}
//Renders a graphics marker
protected virtual void RenderMarkerAction(MarkerBase marker, PointF markerPoint, PointF referencePoint, Graphics graphics, IRender render, IRenderDesign renderDesign)
{
if (marker == null)
{
return;
}
//Save the graphics state
Matrix gstate = graphics.Transform;
//Apply the marker transform and render the marker
graphics.Transform = GetMarkerTransform(marker, markerPoint, referencePoint, graphics.Transform);
marker.RenderAction(graphics, render, renderDesign);
//Restore the graphics state
graphics.Transform = gstate;
}
//Determines if a marker contains the supplied point
private bool MarkerContains(MarkerBase marker, PointF markerPoint, PointF referencePoint, PointF location)
{
if (marker == null)
{
return(false);
}
//Create a new matrix at the line location
Matrix matrix = new Matrix();
matrix.Translate(Bounds.X, Bounds.Y);
GraphicsPath path = marker.GetPath();
path.Transform(GetMarkerTransform(marker, markerPoint, referencePoint, matrix));
return(path.IsVisible(location));
}
//Returns a marker matrix from a diagram matrix
public static Matrix GetMarkerTransform(MarkerBase marker, PointF markerPoint, PointF referencePoint, Matrix initialMatrix)
{
//Get the angle between the start and end points of the line
Double rotation = Geometry.DegreesFromRadians(Geometry.GetAngle(markerPoint.X, markerPoint.Y, referencePoint.X, referencePoint.Y));
//Save the graphics state and translate and transform to the marker origin.
initialMatrix.Translate(markerPoint.X - marker.Bounds.X, markerPoint.Y - marker.Bounds.Y);
initialMatrix.Rotate(Convert.ToSingle(rotation - 90));
if (marker.Centered)
{
initialMatrix.Translate(marker.Bounds.Width / 2 * -1, marker.Bounds.Height / 2 * -1);
}
else
{
initialMatrix.Translate(marker.Bounds.Width / 2 * -1, 1);
}
return(initialMatrix);
}
//Determines if a marker contains the supplied point
private bool MarkerContains(MarkerBase marker, PointF markerPoint,PointF referencePoint,PointF location)
{
if (marker == null) return false;
//Create a new matrix at the line location
Matrix matrix = new Matrix();
matrix.Translate(Rectangle.X,Rectangle.Y);
GraphicsPath path = marker.GetPath();
path.Transform(GetMarkerTransform(marker,markerPoint,referencePoint,matrix));
return path.IsVisible(location);
}
//Returns a marker matrix from a diagram matrix
protected virtual Matrix GetMarkerTransform(MarkerBase marker,PointF markerPoint,PointF referencePoint,Matrix initialMatrix)
{
//Get the angle between the start and end points of the line
Double rotation = Geometry.DegreesFromRadians(Geometry.GetAngle(markerPoint.X,markerPoint.Y,referencePoint.X,referencePoint.Y));
//Save the graphics state and translate and transform to the marker origin.
initialMatrix.Translate(markerPoint.X-Rectangle.X,markerPoint.Y-Rectangle.Y);
initialMatrix.Rotate(Convert.ToSingle(rotation-90));
if (marker.Centered)
{
initialMatrix.Translate(marker.Rectangle.Width / 2 * -1,marker.Rectangle.Height / 2 * -1);
}
else
{
initialMatrix.Translate(marker.Rectangle.Width / 2 * -1,1);
}
return initialMatrix;
}
//Renders a graphics marker
protected virtual void RenderMarkerAction(MarkerBase marker,PointF markerPoint,PointF referencePoint,Graphics graphics,IRender render,IRenderDesign renderDesign)
{
if (marker == null) return;
//Save the graphics state
Matrix gstate = graphics.Transform;
//Apply the marker transform and render the marker
graphics.Transform = GetMarkerTransform(marker,markerPoint,referencePoint,graphics.Transform);
marker.RenderAction(graphics,render,renderDesign);
//Restore the graphics state
graphics.Transform = gstate;
}
