// // This code is part of Document Solutions for Word demos. // Copyright (c) MESCIUS inc. All rights reserved. // using System; using System.IO; using System.Drawing; using System.Collections.Generic; using System.Linq; using GrapeCity.Documents.Word; namespace DsWordWeb.Demos { // Change picture contrast. public class PicEffContrast { public GcWordDocument CreateDocx() { var doc = new GcWordDocument(); Util.SetNarrowMargins(doc); var captionStyle = doc.Styles.Add("CaptionStyle", doc.Styles[BuiltInStyleId.BodyTextFirstIndent2]); // Read image from a file: var bytes = File.ReadAllBytes(Path.Combine("Resources", "Images", "wargravepink.jpg")); // Original picture: doc.Body.AddParagraph().AddRun().AddPicture(bytes, @"image/jpeg", 450, 300); doc.Body.AddParagraph("Original picture", captionStyle); // Decrease picture contrast: var picture = doc.Body.AddParagraph().AddRun().AddPicture(bytes, @"image/jpeg", 450, 300); picture.ImageData.Contrast = -0.5f; doc.Body.AddParagraph($"Picture contrast is {picture.ImageData.Contrast}", captionStyle); // Done: return doc; } } }