private SegmentF ParseSegment(XmlReader r, PointF scale)
{
r.ReadStartElement();
PointF a = PointF.Empty;
PointF b = PointF.Empty;
while (r.NodeType == XmlNodeType.Element)
{
switch (r.Name)
{
case "A":
a = XmlHelper.ParsePointF(r.ReadElementContentAsString());
break;
case "B":
b = XmlHelper.ParsePointF(r.ReadElementContentAsString());
break;
default:
string unparsed = r.ReadOuterXml();
log.DebugFormat("Unparsed content in KVA XML: {0}", unparsed);
break;
}
}
//.Scale(scale.X, scale.Y);
SegmentF segment = new SegmentF(a, b);
r.ReadEndElement();
return(segment);
}
public void ReadLineXml(XmlReader r, PointF scaling)
{
r.ReadStartElement();
float length = 0;
SegmentF line = SegmentF.Empty;
while (r.NodeType == XmlNodeType.Element)
{
switch (r.Name)
{
case "Length":
length = float.Parse(r.ReadElementContentAsString(), CultureInfo.InvariantCulture);
break;
case "Segment":
line = ParseSegment(r, scaling);
break;
case "Origin":
// Import from older format.
origin = XmlHelper.ParsePointF(r.ReadElementContentAsString());
if (float.IsNaN(origin.X) || float.IsNaN(origin.Y))
{
origin = PointF.Empty;
}
origin = origin.Scale(scaling.X, scaling.Y);
break;
case "Scale":
// Import and convert from older format.
// Create a fake line of 100 px horizontal at the origin.
float bakedScale = float.Parse(r.ReadElementContentAsString(), CultureInfo.InvariantCulture);
float lengthPixels = 100;
PointF start = origin;
PointF end = origin.Translate(lengthPixels, 0);
line = new SegmentF(start, end);
length = lengthPixels * bakedScale;
// The actual origin should be expressed in the calibrated plane coordinate system, which has its true origin at the A point of the quad.
origin = new PointF(0, length);
break;
default:
string unparsed = r.ReadOuterXml();
log.DebugFormat("Unparsed content in KVA XML: {0}", unparsed);
break;
}
}
r.ReadEndElement();
// Update mapping.
size = new SizeF(length, length);
quadImage = MakeQuad(line.Start, line.End);
mapping.Update(new QuadrilateralF(size.Width, size.Height), quadImage);
valid = quadImage.IsConvex;
initialized = true;
}
