PSD file operation with Graphics Mill - Possible psd file operation using Mill aPI

using System;
using Aurigma.GraphicsMill;
using Aurigma.GraphicsMill.AdvancedDrawing;
using Aurigma.GraphicsMill.Templates;
using Aurigma.GraphicsMill.Codecs;
using Aurigma.GraphicsMill.Codecs.Psd;
using Aurigma.GraphicsMill.Transforms;

class Program
{
	static void Main(string[] args)
	{
		var psdProcessor = new PsdProcessor();

		//1. Change the color of psdShape frame at runtime.
		psdProcessor.ShapeCallback = (processor, frame) =>
		{
			if (frame.Name == "secondarycolor")
			{
				var shapeData = new ShapeData(frame);

				shapeData.Brush = new SolidBrush(RgbColor.Red);

				return shapeData;
			}

			return new ShapeData(frame);
		};

		psdProcessor.FrameCallback = (processor, frame) =>
		{
			//2. Remove psdFrame i.e image? i think it can achived by returning null in FrameCallback. please confirm
			if (frame.Name == "photo")
			{
				return null;
			}

			//4. Replace psdSmartFrame(i.e image) with new image?
			if (frame.Name == "logo")
			{
				var smartFrame = (PsdSmartFrame)frame;

				return smartFrame.ToGraphicsContainer(ImageReader.Create("../../../logo.png"),
					ResizeMode.ImageFill);
			}

			//5. Replace current psdShape with new psdShape frame?
			if (frame.Name == "Maincolor")
			{
				var container = new GraphicsContainer(600, 480, 72f, 72f);

				using (var graphics = container.GetGraphics())
				{
					var brush = new SolidBrush(RgbColor.SandyBrown);

					graphics.FillRectangle(brush, 0, 350, 640, 130);
				}

				return container;
			}


			return processor.ProcessFrame(frame);
		};

		//3. Edit the text and color of the psdTextFrame? i could see color and text properties are protected
		psdProcessor.TextCallback = (processor, frame, textString) =>
		{
			var text = processor.ProcessText(frame);

			if (frame.Name == "Phone")
			{
				text.String = "(555) 555-1234";
				text.Brush = new SolidBrush(RgbColor.Blue);

			}

			return text;
		};

		psdProcessor.Render("../../../photooverlay_5_02.psd", "../../../result.png");
	}
}