/// <summary>
/// Generate the XAML Path source code for a visual
/// </summary>
private static void GeneratePathGroup(GraphicVisual visual, StringBuilder result, int level, GeometryGeneratorType geometryGeneratorType)
{
switch (visual)
{
case GraphicGroup group:
{
var tag = "Grid";
var indentTag = SourceFormatterHelper.GetTagIndent(level);
result.Append($"{indentTag}<{tag}");
bool tagIndent = false;
if (!DoubleUtilities.IsEqual(group.Opacity, 1.0))
{
tagIndent = true;
string opac = string.Format(CultureInfo.InvariantCulture, " Opacity=\"{0}\"", DoubleUtilities.FormatString(group.Opacity));
result.Append(opac);
}
if (group.Clip != null)
{
if (tagIndent)
{
var indentProperty = SourceFormatterHelper.GetPropertyIndent(level, tag);
result.AppendLine();
result.Append(indentProperty);
}
else
{
result.Append(" ");
}
result.Append(string.Format("Clip=\""));
var stream = StreamSourceGenerator.GenerateStreamGeometry(group.Clip);
result.Append(stream);
result.Append("\"");
}
result.AppendLine(">");
foreach (var childVisual in group.Children)
{
GeneratePathGroup(childVisual, result, level + 1, geometryGeneratorType);
}
result.AppendLine($"{indentTag}</{tag}>");
break;
}
case GraphicPath graphicPath:
{
result.AppendLine(GeneratePath(graphicPath, false, level, geometryGeneratorType));
break;
}
}
}
/// <summary>
/// Generate path
/// </summary>
private static void GeneratePath(GraphicPath graphicPath, StringBuilder result, int level)
{
var tag = "GeometryDrawing";
var indentTag = SourceGeneratorHelper.GetTagIndent(level);
var indentProperty = SourceGeneratorHelper.GetPropertyIndent(level, tag);
result.Append($"{indentTag}<{tag} ");
bool fillColorInExtendedProperties = false;
if (graphicPath.FillBrush != null)
{
if (graphicPath.FillBrush is GraphicSolidColorBrush solidFillColor)
{
Color color = solidFillColor.Color;
var brush = string.Format("Brush=\"{0}\"", SourceGeneratorHelper.FormatColorParamter(color));
result.AppendLine(brush);
result.Append(indentProperty);
}
else
{
fillColorInExtendedProperties = true;
}
}
result.Append(string.Format("Geometry=\""));
var stream = StreamSourceGenerator.GenerateStreamGeometry(graphicPath.Geometry);
result.Append(stream);
result.Append("\"");
if (fillColorInExtendedProperties || graphicPath.StrokeBrush != null)
{
result.AppendLine(">");
if (fillColorInExtendedProperties)
{
SourceGeneratorHelper.GenerateBrush(result, graphicPath.FillBrush, "GeometryDrawing.Brush", level + 1);
}
GeneratePen(result, graphicPath, level + 1);
result.Append(indentTag);
result.AppendLine("</GeometryDrawing>");
}
else
{
result.AppendLine("/>");
}
}
/// <summary>
/// Generate the XAML source code (a <Path/> for a single graphic path
/// </summary>
private static string GeneratePath(GraphicPath graphicPath, bool stretch, int level, GeometryGeneratorType geometryGeneratorType)
{
var tag = "Path";
var indentTag = SourceFormatterHelper.GetTagIndent(level);
var indentProperty = SourceFormatterHelper.GetPropertyIndent(level, tag);
StringBuilder result = new StringBuilder();
string stretchParam = stretch ? "Uniform" : "None";
result.Append($"{indentTag}<{tag} Stretch=\"{stretchParam}\"");
bool fillColorInExtendedProperties = false;
bool strokeColorInExtendedProperties = false;
if (graphicPath.FillBrush != null)
{
if (graphicPath.FillBrush is GraphicSolidColorBrush solidFillColor)
{
result.AppendLine();
Color color = solidFillColor.Color;
result.Append(indentProperty);
result.Append(string.Format("Fill=\"{0}\"", SourceFormatterHelper.FormatColorParamter(color)));
}
else
{
fillColorInExtendedProperties = true;
}
}
if (graphicPath.StrokeBrush != null)
{
if (graphicPath.StrokeBrush is GraphicSolidColorBrush solidStrokeColor)
{
result.AppendLine();
Color color = solidStrokeColor.Color;
result.Append(indentProperty);
result.Append(string.Format("Stroke=\"{0}\" ", SourceFormatterHelper.FormatColorParamter(color)));
}
else
{
strokeColorInExtendedProperties = true;
}
result.AppendLine();
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "StrokeThickness=\"{0}\" ", DoubleUtilities.FormatString(graphicPath.StrokeThickness)));
if (graphicPath.StrokeLineCap != GraphicLineCap.Flat)
{
result.AppendLine();
result.Append(indentProperty);
result.AppendLine(string.Format(CultureInfo.InvariantCulture, "StrokeStartLineCap=\"{0}\" ", Converter.ConvertToWPF(graphicPath.StrokeLineCap).ToString()));
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "StrokeEndLineCap=\"{0}\" ", Converter.ConvertToWPF(graphicPath.StrokeLineCap).ToString()));
}
if (graphicPath.StrokeDashes != null)
{
if (graphicPath.StrokeLineCap != GraphicLineCap.Flat)
{
result.AppendLine();
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "StrokeDashCap=\"{0}\" ", Converter.ConvertToWPF(graphicPath.StrokeLineCap).ToString()));
}
result.AppendLine();
result.Append(indentProperty);
result.Append("StrokeDashArray=\"");
for (int i = 0; i < graphicPath.StrokeDashes.Count; i++)
{
if (i != 0)
{
result.Append(" ");
}
result.Append(DoubleUtilities.FormatString(graphicPath.StrokeDashes[i]));
}
result.AppendLine("\"");
if (!DoubleUtilities.IsZero(graphicPath.StrokeDashOffset))
{
result.AppendLine();
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "StrokeDashOffset=\"{0}\"", DoubleUtilities.FormatString(graphicPath.StrokeDashOffset)));
}
}
if (graphicPath.StrokeLineJoin != GraphicLineJoin.Miter)
{
result.AppendLine();
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "StrokeLineJoin=\"{0}\" ", Converter.ConvertToWpf(graphicPath.StrokeLineJoin).ToString()));
}
else
if (!DoubleUtilities.IsEqual(graphicPath.StrokeMiterLimit, 10))
{
result.AppendLine();
result.Append(indentProperty);
result.Append(string.Format(CultureInfo.InvariantCulture, "MiterLimit=\"{0}\"", DoubleUtilities.FormatString(graphicPath.StrokeMiterLimit)));
}
}
if (geometryGeneratorType == GeometryGeneratorType.Stream)
{
result.AppendLine();
result.Append(indentProperty);
result.Append("Data=\"");
result.Append(StreamSourceGenerator.GenerateStreamGeometry(graphicPath.Geometry));
result.Append("\"");
}
if (geometryGeneratorType == GeometryGeneratorType.PathGeometry || fillColorInExtendedProperties || strokeColorInExtendedProperties)
{
result.AppendLine(">");
if (geometryGeneratorType == GeometryGeneratorType.PathGeometry)
{
var indent1 = SourceFormatterHelper.GetTagIndent(level + 1);
result.Append(indent1);
result.AppendLine("<Path.Data>");
PathGeometrySourceGenerator.GeneratePathGeometry(result, graphicPath.Geometry, level + 2);
result.Append(indent1);
result.AppendLine("</Path.Data>");
}
if (fillColorInExtendedProperties)
{
BrushSourceGenerator.GenerateBrush(result, graphicPath.FillBrush, "Path.Fill", level + 1);
}
if (strokeColorInExtendedProperties)
{
BrushSourceGenerator.GenerateBrush(result, graphicPath.StrokeBrush, "Path.Stroke", level + 1);
}
result.Append(indentTag);
result.Append($"</{tag}>");
}
else
{
result.Append(" />");
}
return(result.ToString());
}