public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
Object[] pathShapes = GetShapes().ToArray();
if (pathShapes.Length > 1)
{
Vector v = new Vector(0, 0, 0);
if (SvgConstants.Attributes.MARKER_END.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
// Create vector from the last two shapes
IPathShape lastShape = (IPathShape)pathShapes[pathShapes.Length - 1];
IPathShape secondToLastShape = (IPathShape)pathShapes[pathShapes.Length - 2];
v = new Vector((float)(lastShape.GetEndingPoint().GetX() - secondToLastShape.GetEndingPoint().GetX()), (float
)(lastShape.GetEndingPoint().GetY() - secondToLastShape.GetEndingPoint().GetY()), 0f);
}
else
{
if (SvgConstants.Attributes.MARKER_START.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
// Create vector from the first two shapes
IPathShape firstShape = (IPathShape)pathShapes[0];
IPathShape secondShape = (IPathShape)pathShapes[1];
v = new Vector((float)(secondShape.GetEndingPoint().GetX() - firstShape.GetEndingPoint().GetX()), (float)(
secondShape.GetEndingPoint().GetY() - firstShape.GetEndingPoint().GetY()), 0f);
}
}
// Get angle from this vector and the horizontal axis
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
return(0);
}
public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
if (points.Count > 1)
{
Vector v = new Vector(0, 0, 0);
if (SvgConstants.Attributes.MARKER_END.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
Point lastPoint = points[points.Count - 1];
Point secondToLastPoint = points[points.Count - 2];
v = new Vector((float)(lastPoint.GetX() - secondToLastPoint.GetX()), (float)(lastPoint.GetY() - secondToLastPoint
.GetY()), 0f);
}
else
{
if (SvgConstants.Attributes.MARKER_START.Equals(marker.attributesAndStyles.Get(SvgConstants.Tags.MARKER)))
{
Point firstPoint = points[0];
Point secondPoint = points[1];
v = new Vector((float)(secondPoint.GetX() - firstPoint.GetX()), (float)(secondPoint.GetY() - firstPoint.GetY
()), 0f);
}
}
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
return(0);
}
public override ISvgNodeRenderer CreateDeepCopy()
{
MarkerSvgNodeRenderer copy = new MarkerSvgNodeRenderer();
DeepCopyAttributesAndStyles(copy);
DeepCopyChildren(copy);
return(copy);
}
public virtual double GetAutoOrientAngle(MarkerSvgNodeRenderer marker, bool reverse)
{
Vector v = new Vector(GetAttribute(this.attributesAndStyles, SvgConstants.Attributes.X2) - GetAttribute(this
.attributesAndStyles, SvgConstants.Attributes.X1), GetAttribute(this.attributesAndStyles, SvgConstants.Attributes
.Y2) - GetAttribute(this.attributesAndStyles, SvgConstants.Attributes.Y1), 0f);
Vector xAxis = new Vector(1, 0, 0);
double rotAngle = SvgCoordinateUtils.CalculateAngleBetweenTwoVectors(xAxis, v);
return(v.Get(1) >= 0 && !reverse ? rotAngle : rotAngle * -1f);
}
private static bool MarkerWidthHeightAreCorrect(MarkerSvgNodeRenderer namedObject)
{
ILog log = LogManager.GetLogger(typeof(MarkerSvgNodeRenderer));
String markerWidth = namedObject.GetAttribute(SvgConstants.Attributes.MARKER_WIDTH);
String markerHeight = namedObject.GetAttribute(SvgConstants.Attributes.MARKER_HEIGHT);
bool isCorrect = true;
if (markerWidth != null)
{
float absoluteMarkerWidthValue = CssUtils.ParseAbsoluteLength(markerWidth);
if (absoluteMarkerWidthValue == 0)
{
log.Warn(SvgLogMessageConstant.MARKER_WIDTH_IS_ZERO_VALUE);
isCorrect = false;
}
else
{
if (absoluteMarkerWidthValue < 0)
{
log.Warn(SvgLogMessageConstant.MARKER_WIDTH_IS_NEGATIVE_VALUE);
isCorrect = false;
}
}
}
if (markerHeight != null)
{
float absoluteMarkerHeightValue = CssUtils.ParseAbsoluteLength(markerHeight);
if (absoluteMarkerHeightValue == 0)
{
log.Warn(SvgLogMessageConstant.MARKER_HEIGHT_IS_ZERO_VALUE);
isCorrect = false;
}
else
{
if (absoluteMarkerHeightValue < 0)
{
log.Warn(SvgLogMessageConstant.MARKER_HEIGHT_IS_NEGATIVE_VALUE);
isCorrect = false;
}
}
}
return(isCorrect);
}
public virtual void DrawMarker(SvgDrawContext context, MarkerVertexType markerVertexType)
{
Point point = null;
if (MarkerVertexType.MARKER_START.Equals(markerVertexType))
{
point = points[0];
}
else
{
if (MarkerVertexType.MARKER_END.Equals(markerVertexType))
{
point = points[points.Count - 1];
}
}
if (point != null)
{
String moveX = SvgCssUtils.ConvertDoubleToString(CssUtils.ConvertPtsToPx(point.x));
String moveY = SvgCssUtils.ConvertDoubleToString(CssUtils.ConvertPtsToPx(point.y));
MarkerSvgNodeRenderer.DrawMarker(context, moveX, moveY, markerVertexType, this);
}
}
public virtual void DrawMarker(SvgDrawContext context, MarkerVertexType markerVertexType)
{
String moveX = null;
String moveY = null;
if (MarkerVertexType.MARKER_START.Equals(markerVertexType))
{
moveX = this.attributesAndStyles.Get(SvgConstants.Attributes.X1);
moveY = this.attributesAndStyles.Get(SvgConstants.Attributes.Y1);
}
else
{
if (MarkerVertexType.MARKER_END.Equals(markerVertexType))
{
moveX = this.attributesAndStyles.Get(SvgConstants.Attributes.X2);
moveY = this.attributesAndStyles.Get(SvgConstants.Attributes.Y2);
}
}
if (moveX != null && moveY != null)
{
MarkerSvgNodeRenderer.DrawMarker(context, moveX, moveY, markerVertexType, this);
}
}
public virtual void DrawMarker(SvgDrawContext context, MarkerVertexType markerVertexType)
{
Object[] allShapesOrdered = GetShapes().ToArray();
Point point = null;
if (MarkerVertexType.MARKER_START.Equals(markerVertexType))
{
point = ((AbstractPathShape)allShapesOrdered[0]).GetEndingPoint();
}
else
{
if (MarkerVertexType.MARKER_END.Equals(markerVertexType))
{
point = ((AbstractPathShape)allShapesOrdered[allShapesOrdered.Length - 1]).GetEndingPoint();
}
}
if (point != null)
{
String moveX = SvgCssUtils.ConvertDoubleToString(point.x);
String moveY = SvgCssUtils.ConvertDoubleToString(point.y);
MarkerSvgNodeRenderer.DrawMarker(context, moveX, moveY, markerVertexType, this);
}
}
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