//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using GrapeCity.Documents.Pdf;
namespace DsPdfWeb.Demos{    // This demo shows how to remove some instances (locations) of an image    // from a PDF using the GcPdfDocument.RemoveImages() method.    public class RemoveImageLocation    {        public int CreatePDF(Stream stream)        {            using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "ImageTransparency.pdf"));            var doc = new GcPdfDocument();            doc.Load(fs);            // Get the list of images in the document:                        var imageInfos = doc.GetImages();            // For each image with multiple locations, remove the leftmost location:            foreach (var ii in imageInfos)            {                if (ii.Locations.Count > 1)                {                    int iLeft = -1;                    for (int i = 0; i < ii.Locations.Count; i++)                    {                        if (iLeft == -1 || ii.Locations[i].PageBounds.ToRect().Left < ii.Locations[iLeft].PageBounds.ToRect().Left)                            iLeft = i;                    }                    // Remove the locations we want to keep:                    for (int i = ii.Locations.Count - 1; i >= 0; i--)                        if (i != iLeft)                            ii.Locations.RemoveAt(i);                    // Remove the locations that are left:                    doc.RemoveImages([ii]);                }            }            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}