public IColorReference GetColorReference(ITreeNode element)
{
if (element is IColorLiteral colorLiteral)
{
var values = colorLiteral.Numbers;
if (values.Count == 3 || values.Count == 4)
{
var r = GetColorValue(values[0]);
var g = GetColorValue(values[1]);
var b = GetColorValue(values[2]);
// Technically, the colour should have 4 values, but show the highlight even if we're unfinished
var a = values.Count == 4 ? GetColorValue(values[3]) : 255;
var colorElement = new ColorElement(Color.FromArgb(a, r, g, b));
var range = GetDocumentRange(values[0], values.Last());
return(new ShaderLabColorReference(colorElement,
ColorPropertyValueNavigator.GetByColor(colorLiteral),
ColorValueNavigator.GetByConstant(colorLiteral), range));
}
}
return(null);
}
public IColorReference GetColorReference(ITreeNode element)
{
if (element is IVectorLiteral vectorLiteral)
{
var vectorPropertyValue = VectorPropertyValueNavigator.GetByVector(vectorLiteral);
if (vectorPropertyValue != null)
{
// Does the vector literal belong to a vector property or a color property?
var propertyDeclation = PropertyDeclarationNavigator.GetByPropertValue(vectorPropertyValue);
if (propertyDeclation == null)
{
return(null);
}
if (!(propertyDeclation.PropertyType is ISimplePropertyType simplePropertyType) ||
simplePropertyType.Keyword?.NodeType != ShaderLabTokenType.COLOR_KEYWORD)
{
return(null);
}
}
var values = vectorLiteral.Numbers;
if (values.Count == 3 || values.Count == 4)
{
var r = GetColorValue(values[0]);
var g = GetColorValue(values[1]);
var b = GetColorValue(values[2]);
// Technically, the colour should have 4 values, but show the highlight even if we're unfinished
var a = values.Count == 4 ? GetColorValue(values[3]) : 255;
var colorElement = new ColorElement(Color.FromArgb(a, r, g, b));
var range = GetDocumentRange(values[0], values.Last());
return(new ShaderLabColorReference(colorElement,
VectorPropertyValueNavigator.GetByVector(vectorLiteral),
ColorValueNavigator.GetByConstant(vectorLiteral), range));
}
}
return(null);
}