package ppt;

import com.spire.presentation.*;
import com.spire.presentation.drawing.FillFormatType;

import java.awt.*;
import java.awt.geom.Rectangle2D;



public class AddTextOrImageDemo {

    public void addTextOrImage(String filePath, String addType, String text, String imageFile, String resultFilePath) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile(filePath);

        switch (addType){
            case "TEXT":
                addText(presentation,text);
                break;
            case "IMAGE":
                addImage(presentation,imageFile);
                break;
        }
        presentation.saveToFile(resultFilePath,FileFormat.PPTX_2013);
    }

    private void addText(Presentation presentation, String text) throws Exception {
        IAutoShape shape = presentation.getSlides().get(0).getShapes().appendShape(ShapeType.RECTANGLE, new Rectangle(50, 70, 620, 150));
        shape.getFill().setFillType(FillFormatType.NONE);
        shape.getShapeStyle().getLineColor().setColor(Color.white);
        shape.getTextFrame().getParagraphs().get(0).setAlignment(TextAlignmentType.LEFT);
        shape.getTextFrame().getParagraphs().get(0).setIndent(50);
        shape.getTextFrame().getParagraphs().get(0).setLineSpacing(150);
        shape.getTextFrame().setText(text);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).setLatinFont(new TextFont("Arial Rounded MT Bold"));
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).setFontHeight(16);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).getFill().getSolidColor().setColor(Color.RED);
    }

    private void addImage(Presentation presentation, String imageFile) throws Exception {
        Rectangle2D.Double rect1 = new Rectangle2D.Double(presentation.getSlideSize().getSize().getWidth() / 2 - 280, 140, 120, 120);
        IEmbedImage image = presentation.getSlides().get(0).getShapes().appendEmbedImage(ShapeType.RECTANGLE, imageFile, rect1);
        image.getLine().setFillType(FillFormatType.NONE);
    }
}

using Spire.Presentation;
using Spire.Presentation.Drawing;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DemoOnlineCode
{
    class AddTextOrImage
    {
        public void AddTextOrImageDemo(string format, string text, string imageFilePath, string resultFileName)
        {
            Presentation presentation = new Presentation();
            switch (format)
            {
                case "TEXT":
                    AddText(presentation,text,resultFileName);
                    break;
                case "IMAGE":
                    AddImage(presentation, imageFilePath, resultFileName);
                    break;
            }

        }
        private static void AddText(Presentation presentation, string text, string resultFileName)
        {
            IAutoShape shape = presentation.Slides[0].Shapes.AppendShape(ShapeType.Rectangle, new RectangleF(50, 70, 620, 150));
            shape.Fill.FillType = FillFormatType.None;
            shape.ShapeStyle.LineColor.Color = Color.White;

            //Set the alignment of paragraph
            shape.TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Left;
            //Set the indent of paragraph
            shape.TextFrame.Paragraphs[0].Indent = 50;
            //Set the linespacing of paragraph
            shape.TextFrame.Paragraphs[0].LineSpacing = 150;
            //Set the text of paragraph
            shape.TextFrame.Text = text;

            //Set the Font
            shape.TextFrame.Paragraphs[0].TextRanges[0].LatinFont = new TextFont("Arial Rounded MT Bold");
            shape.TextFrame.Paragraphs[0].TextRanges[0].Fill.FillType = FillFormatType.Solid;
            shape.TextFrame.Paragraphs[0].TextRanges[0].Fill.SolidColor.Color = Color.Black;

            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }

        private static void AddImage(Presentation presentation, string imageFilePath, string resultFileName)
        {
            RectangleF rect1 = new RectangleF(presentation.SlideSize.Size.Width / 2 - 280, 140, 120, 120);
            IEmbedImage image = presentation.Slides[0].Shapes.AppendEmbedImage(ShapeType.Rectangle, imageFilePath, rect1);
            image.Line.FillType = FillFormatType.None;
            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }

    }
}