/// <summary>
/// Setups the shading pattern from the specified brush.
/// </summary>
internal void SetupFromBrush(XLinearGradientBrush brush, XMatrix matrix, XGraphicsPDFRenderer renderer)
{
if (brush == null)
{
throw new ArgumentNullException("brush");
}
PDFShading shading = new PDFShading(_document);
shading.SetupFromBrush(brush, renderer);
Elements[Keys.Shading] = shading;
//Elements[Keys.Matrix] = new PDFLiteral("[" + PDFEncoders.ToString(matrix) + "]");
Elements.SetMatrix(Keys.Matrix, matrix);
}
/// <summary>
/// Adds the specified shading to this resource dictionary
/// and returns its local resource name.
/// </summary>
public string AddShading(PDFShading shading)
{
if (!_resources.TryGetValue(shading, out string name))
{
name = NextShadingName;
_resources[shading] = name;
if (shading.Reference == null)
{
Owner.IrefTable.Add(shading);
}
Shadings.Elements[name] = shading.Reference;
}
return(name);
}
