protected virtual PDFObjectRef RenderShadingDictionary(PDFContextBase context, PDFWriter writer) { PDFPoint offset = new PDFPoint(this.Start.X, this.Start.Y);// this.Start; PDFSize size = this.Size; PDFSize graphicsSize = new PDFSize(size.Width + offset.X, size.Height + offset.Y); var func = this._descriptor.GetGradientFunction(offset, size); var coords = GetCoords(offset, size, _descriptor.Size, _descriptor.XCentre, _descriptor.YCentre); writer.BeginDictionaryEntry("Shading"); writer.BeginDictionary(); writer.WriteDictionaryNumberEntry("ShadingType", (int)ShadingType.Radial); writer.WriteDictionaryNameEntry("ColorSpace", "DeviceRGB"); writer.WriteDictionaryBooleanEntry("AntiAlias", true); writer.BeginDictionaryEntry("BBox"); writer.WriteArrayRealEntries(true, offset.X.PointsValue, offset.Y.PointsValue, offset.X.PointsValue + size.Width.PointsValue, offset.Y.PointsValue + size.Height.PointsValue); writer.EndDictionaryEntry(); writer.BeginDictionaryEntry("Coords"); writer.WriteArrayRealEntries(true, coords); writer.EndDictionaryEntry(); writer.BeginDictionaryEntry("Extend"); writer.BeginArray(); writer.BeginArrayEntry(); writer.WriteBooleanS(true); writer.EndArrayEntry(); writer.BeginArrayEntry(); writer.WriteBooleanS(true); writer.EndArrayEntry(); writer.EndArray(); writer.EndDictionaryEntry(); if (null != func) { writer.BeginDictionaryEntry("Function"); func.WriteFunctionDictionary(context, writer); writer.EndDictionaryEntry(); } writer.EndDictionary();//shading return(null); }
/// <summary> /// Writes the underlying data of the file object to the passed text writer /// </summary> /// <param name="tw">The text writer object to write data to</param> public void WriteData(PDFWriter writer) { writer.WriteBooleanS(this.Value); }