/// <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); }