private void IdentifyColorSource(ICompositeRule template, ref FillColorSource? source, ref string fillAlpha)
{
// FIXME: This is very naive. It will identify the first color it finds and runs with it.
// It doesn't take into consideration things such as usage contexts, which we currently only care about on
// the 2nd pass when we still can't identify a color and presumably we're dealing with a composite symbolization
// with line usage (where fill colors won't exist most of the time). Thematics should be fine on the most basic
// of composite symbolization cases, but I expect this process to break down hardcore on the most elaborate of
// composite symbolization cases. Still, some thematic support is better than none.
// So anyways, 1st pass: Assume point/area and identify the first fill color we find
foreach (ISymbolInstance symInst in template.CompositeSymbolization.SymbolInstance)
{
if (source.HasValue)
break;
var symRef = GetSymbolFromReference(m_editor.ResourceService, symInst.Reference);
var simpleSym = symRef as ISimpleSymbolDefinition;
if (simpleSym == null)
throw new NotSupportedException(Strings.CannotCreateThemeFromCompoundSymbolInstance);
var symName = simpleSym.Name;
//Find the first path graphic with a fill color
foreach (var graphic in simpleSym.Graphics)
{
if (source.HasValue)
break;
if (graphic.Type == GraphicElementType.Path)
{
IPathGraphic path = (IPathGraphic)graphic;
if (path.FillColor != null)
{
var hexIdx = path.FillColor.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < path.FillColor.Length)
{
fillAlpha = path.FillColor.Substring(hexIdx + 2, 2);
source = FillColorSource.PathFillColor;
}
else
{
string color = path.FillColor;
//Is this a parameter?
if (color.StartsWith("%") && color.EndsWith("%"))
{
string paramName = color.Substring(1, color.Length - 2);
if (simpleSym.ParameterDefinition != null)
{
foreach (var paramDef in simpleSym.ParameterDefinition.Parameter)
{
if (source.HasValue)
break;
if (paramDef.Name == paramName)
{
hexIdx = paramDef.DefaultValue.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < paramDef.DefaultValue.Length)
{
fillAlpha = paramDef.DefaultValue.Substring(hexIdx + 2, 2);
source = FillColorSource.SymbolParameterFillColorDefaultValue;
}
//But wait ... Is there an override for this too?
var ov = symInst.ParameterOverrides;
if (ov != null)
{
foreach (var pov in ov.Override)
{
if (pov.SymbolName == symName && pov.ParameterIdentifier == paramName)
{
hexIdx = pov.ParameterValue.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < pov.ParameterValue.Length)
{
fillAlpha = pov.ParameterValue.Substring(hexIdx + 2, 2);
source = FillColorSource.SymbolParameterFillColorOverride;
break;
}
}
}
}
}
}
}
}
}
}
}
}
}
if (!source.HasValue)
{
//Still no source? Time for a 2nd pass, this time find the first line color where the symbol instance has a line usage
//context
foreach (ISymbolInstance symInst in template.CompositeSymbolization.SymbolInstance)
{
if (source.HasValue)
break;
var symRef = GetSymbolFromReference(m_editor.ResourceService, symInst.Reference);
var simpleSym = symRef as ISimpleSymbolDefinition;
if (simpleSym == null)
throw new NotSupportedException(Strings.CannotCreateThemeFromCompoundSymbolInstance);
var symName = simpleSym.Name;
//Find the first path graphic with a fill color
foreach (var graphic in simpleSym.Graphics)
{
if (source.HasValue)
break;
if (graphic.Type == GraphicElementType.Path)
{
IPathGraphic path = (IPathGraphic)graphic;
if (path.LineColor != null)
{
//Bail on this symbol if it has no line usage context
if (simpleSym.LineUsage == null)
continue;
var hexIdx = path.LineColor.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < path.LineColor.Length)
{
fillAlpha = path.LineColor.Substring(hexIdx + 2, 2);
source = FillColorSource.PathLineColor;
}
else
{
string color = path.LineColor;
//Is this a parameter?
if (color.StartsWith("%") && color.EndsWith("%"))
{
string paramName = color.Substring(1, color.Length - 2);
if (simpleSym.ParameterDefinition != null)
{
foreach (var paramDef in simpleSym.ParameterDefinition.Parameter)
{
if (source.HasValue)
break;
if (paramDef.Name == paramName)
{
hexIdx = paramDef.DefaultValue.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < paramDef.DefaultValue.Length)
{
fillAlpha = paramDef.DefaultValue.Substring(hexIdx + 2, 2);
source = FillColorSource.SymbolParameterLineColorDefaultValue;
}
//But wait ... Is there an override for this too?
var ov = symInst.ParameterOverrides;
if (ov != null)
{
foreach (var pov in ov.Override)
{
if (pov.SymbolName == symName && pov.ParameterIdentifier == paramName)
{
hexIdx = pov.ParameterValue.IndexOf("0x");
if (hexIdx >= 0 && hexIdx + 4 < pov.ParameterValue.Length)
{
fillAlpha = pov.ParameterValue.Substring(hexIdx + 2, 2);
source = FillColorSource.SymbolParameterLineColorOverride;
break;
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
private void SetColorForCompositeRule(FillColorSource? source, string fillAlpha, RuleItem entry, ICompositeRule r)
{
// NOTE: Same naivete as IdentifyColorSource(). Refer to that method for all the gory details
bool bSetFill = false;
foreach (ISymbolInstance symInst in r.CompositeSymbolization.SymbolInstance)
{
if (bSetFill)
break;
var symRef = GetSymbolFromReference(m_editor.ResourceService, symInst.Reference);
var simpleSym = symRef as ISimpleSymbolDefinition;
if (simpleSym == null)
throw new NotSupportedException(Strings.CannotCreateThemeFromCompoundSymbolInstance);
var symName = simpleSym.Name;
//Find the first path graphic with a fill color
foreach (var graphic in simpleSym.Graphics)
{
if (bSetFill)
break;
if (graphic.Type == GraphicElementType.Path)
{
IPathGraphic path = (IPathGraphic)graphic;
if (path.FillColor != null)
{
string color = path.FillColor;
if (source.Value == FillColorSource.PathFillColor)
{
path.FillColor = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set fill color to {0} for symbol instance {1} of symbolization {2} in rule {3}", path.FillColor, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
//Is this a parameter?
if (color.StartsWith("%") && color.EndsWith("%"))
{
string paramName = color.Substring(1, color.Length - 2);
if (simpleSym.ParameterDefinition != null)
{
foreach (var paramDef in simpleSym.ParameterDefinition.Parameter)
{
if (bSetFill)
break;
if (paramDef.Name == paramName)
{
if (source.Value == FillColorSource.SymbolParameterFillColorDefaultValue)
{
paramDef.DefaultValue = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set fill color default parameter value to {0} for symbol instance {1} of symbolization {2} in rule {3}", paramDef.DefaultValue, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
//But wait ... Is there an override for this too?
var ov = symInst.ParameterOverrides;
if (ov != null)
{
foreach (var pov in ov.Override)
{
if (bSetFill)
break;
if (pov.SymbolName == symName && pov.ParameterIdentifier == paramName)
{
if (source.Value == FillColorSource.SymbolParameterFillColorOverride)
{
pov.ParameterValue = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set fill color parameter override value to {0} for symbol instance {1} of symbolization {2} in rule {3}", pov.ParameterValue, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
}
}
}
}
}
}
}
}
else if (path.LineColor != null && simpleSym.LineUsage != null)
{
string color = path.LineColor;
if (source.Value == FillColorSource.PathLineColor)
{
path.LineColor = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set line color to {0} for symbol instance {1} of symbolization {2} in rule {3}", path.FillColor, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
//Is this a parameter?
if (color.StartsWith("%") && color.EndsWith("%"))
{
string paramName = color.Substring(1, color.Length - 2);
if (simpleSym.ParameterDefinition != null)
{
foreach (var paramDef in simpleSym.ParameterDefinition.Parameter)
{
if (bSetFill)
break;
if (paramDef.Name == paramName)
{
if (source.Value == FillColorSource.SymbolParameterLineColorDefaultValue)
{
paramDef.DefaultValue = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set line color default parameter value to {0} for symbol instance {1} of symbolization {2} in rule {3}", paramDef.DefaultValue, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
//But wait ... Is there an override for this too?
var ov = symInst.ParameterOverrides;
if (ov != null)
{
foreach (var pov in ov.Override)
{
if (bSetFill)
break;
if (pov.SymbolName == symName && pov.ParameterIdentifier == paramName)
{
if (source.Value == FillColorSource.SymbolParameterLineColorOverride)
{
pov.ParameterValue = "0x" + fillAlpha + Utility.SerializeHTMLColor(entry.Color, string.IsNullOrEmpty(fillAlpha));
Debug.WriteLine(string.Format("Set line color parameter override value to {0} for symbol instance {1} of symbolization {2} in rule {3}", pov.ParameterValue, symInst.GetHashCode(), r.CompositeSymbolization.GetHashCode(), r.GetHashCode()));
bSetFill = true;
break;
}
}
}
}
}
}
}
}
}
}
}
}
}