public void ReadElements(CircuitDiagramDocument document,
XElement elements,
ReaderContext context)
{
var components = from el in elements.Elements()
where el.Name == Ns.Document + "c"
select el;
foreach (var componentElement in components)
{
var typeAttr = componentElement.Attribute("tp");
if (typeAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, componentElement, "tp");
continue;
}
var componentType = context.GetComponentType(ParseType(typeAttr.Value));
if (componentType == null)
{
context.Log(ReaderErrorCodes.UnknownComponentType, typeAttr, typeAttr.Value);
continue;
}
Component component;
if (componentElement.Attribute("x") != null)
{
component = new PositionalComponent(componentType, new LayoutInformation());
// Layout
ReadLayout((PositionalComponent)component, componentElement, context);
}
else
{
component = new Component(componentType);
}
// Properties
var propertiesElement = componentElement.Elements(Ns.Document + "prs").SingleOrDefault();
var properties = propertiesElement != null
? from el in propertiesElement.Elements()
where el.Name == Ns.Document + "p"
select el
: new XElement[0];
foreach (var propertyElement in properties)
{
var keyAttr = propertyElement.Attribute("k");
if (keyAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "k");
continue;
}
var valueAttr = propertyElement.Attribute("v");
if (valueAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "v");
continue;
}
component.Properties[keyAttr.Value] = PropertyValue.Dynamic(valueAttr.Value);
}
// Connections
var connectionsElement = componentElement.Elements(Ns.Document + "cns").SingleOrDefault();
var connections = connectionsElement != null
? from el in connectionsElement.Elements()
where el.Name == Ns.Document + "cn"
select el
: new XElement[0];
foreach (var connectionElement in connections)
{
var idAttr = connectionElement.Attribute("id");
if (idAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "id");
continue;
}
var pointAttr = connectionElement.Attribute("pt");
if (pointAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "pt");
continue;
}
var namedConnection =
component.Connections.FirstOrDefault(x => x.Value.Name.Value == pointAttr.Value).Value ?? new NamedConnection(pointAttr.Value, component);
context.ApplyConnection(idAttr.Value, namedConnection);
}
document.Elements.Add(component);
}
var wires = from el in elements.Elements()
where el.Name == Ns.Document + "w"
select el;
foreach (var wireElement in wires)
{
var wire = new Wire(new LayoutInformation());
ReadLayout(wire, wireElement, context);
document.Elements.Add(wire);
}
}
public static T RenderPreview <T>(Func <Size, T> drawingContext,
ComponentDescription desc,
PreviewGenerationOptions options)
where T : IDrawingContext
{
var componentType = new TypeDescriptionComponentType(desc.Metadata.GUID, ComponentType.UnknownCollection, desc.ComponentName);
var component = new PositionalComponent(componentType);
component.Layout.Location = new Point(options.Width / 2 - (options.Horizontal ? options.Size : 0), options.Height / 2 - (!options.Horizontal ? options.Size : 0));
component.Layout.Orientation = options.Horizontal ? Orientation.Horizontal : Orientation.Vertical;
// Minimum size
component.Layout.Size = Math.Max(desc.MinSize, options.Size);
// Configuration
var configurationDesc = desc.Metadata.Configurations.FirstOrDefault(x => x.Name == options.Configuration);
if (configurationDesc != null)
{
foreach (var setter in configurationDesc.Setters)
{
component.Properties[setter.Key] = setter.Value;
}
}
// Orientation
FlagOptions flagOptions = desc.DetermineFlags(component);
if ((flagOptions & FlagOptions.HorizontalOnly) == FlagOptions.HorizontalOnly && component.Layout.Orientation == Orientation.Vertical)
{
component.Layout.Orientation = Orientation.Horizontal;
}
else if ((flagOptions & FlagOptions.VerticalOnly) == FlagOptions.VerticalOnly && component.Layout.Orientation == Orientation.Horizontal)
{
component.Layout.Orientation = Orientation.Vertical;
}
// Flip
if ((flagOptions & FlagOptions.FlipPrimary) == FlagOptions.FlipPrimary && (options.Flip & FlipState.Primary) == FlipState.Primary)
{
component.Layout.Flip |= FlipState.Primary;
}
if ((flagOptions & FlagOptions.FlipSecondary) == FlagOptions.FlipSecondary && (options.Flip & FlipState.Secondary) == FlipState.Secondary)
{
component.Layout.Flip |= FlipState.Secondary;
}
// Properties
foreach (var property in options.Properties)
{
// Look up serialized name
var propertyInfo = desc.Properties.FirstOrDefault(x => x.Name == property.Key);
if (propertyInfo != null)
{
component.Properties[propertyInfo.SerializedName] = PropertyValue.Dynamic(property.Value);
}
}
foreach (var property in options.RawProperties)
{
component.Properties[property.Key] = property.Value;
}
CircuitDocument document = new CircuitDocument();
document.Elements.Add(component);
var lookup = new DictionaryComponentDescriptionLookup();
lookup.AddDescription(componentType, desc);
var docRenderer = new CircuitRenderer(lookup);
var buffer = new SkiaBufferedDrawingContext();
docRenderer.RenderCircuit(document, buffer);
var bb = buffer.BoundingBox ?? new Rect();
T resultContext;
IDrawingContext dc;
Vector translationOffset = new Vector(0, 0);
if (options.Crop)
{
resultContext = drawingContext(options.Crop ? bb.Size : new Size(options.Width * options.Scale, options.Height * options.Scale));
dc = new TranslationDrawingContext(new Vector(Math.Round(-bb.X), Math.Round(-bb.Y)), resultContext);
}
else if (options.Center)
{
resultContext = drawingContext(new Size(options.Width, options.Height));
var x = bb.X - options.Width / 2 + bb.Width / 2;
var y = bb.Y - options.Height / 2 + bb.Height / 2;
translationOffset = new Vector(Math.Round(-x), Math.Round(-y));
dc = new TranslationDrawingContext(translationOffset, resultContext);
}
else
{
resultContext = drawingContext(new Size(options.Width, options.Height));
dc = resultContext;
}
if (options.Grid && resultContext is SkiaDrawingContext gridSkiaContext)
{
RenderGrid(gridSkiaContext, options.Width, options.Height, translationOffset);
}
if (options.DebugLayout && resultContext is SkiaDrawingContext debugSkiaContext)
{
RenderDebugLayout(debugSkiaContext, component, desc, translationOffset);
}
docRenderer.RenderCircuit(document, dc);
return(resultContext);
}