DataTplImage.cs
//
// This code is part of GrapeCity Documents for Word samples.
// Copyright (c) GrapeCity, Inc. All rights reserved.
//
using System;
using System.IO;
using System.Drawing;
using System.Collections.Generic;
using System.Linq;
using GrapeCity.Documents.Word;

namespace GcWordWeb.Samples
{
    // This sample shows how to use the image formatter in a data template.
    public class DataTplImage
    {

        public GcWordDocument CreateDocx()
        {
            // The data source.
            //
            // The 'imagePath' yields the absolute path of an image,
            // which is one of accepted value types for the image formatter.
            //
            // For reference, the following value types are supported by the image formatter:
            // - A byte array containing the image data;
            // - A System.IO.Stream object that can be used to read the image data;
            // - A System.Drawing.Image object;
            // - A string from which an absolute file URI of the image can be created, or Base64-encoded image data.
            var data = new[]
            {
                new { name = "Minerva", imagePath = Path.GetFullPath(Path.Combine("Resources", "Images", "minerva.jpg")) },
                new { name = "Colosseum", imagePath = Path.GetFullPath(Path.Combine("Resources", "Images", "colosseum.jpg")) },
                new { name = "Venus Felix", imagePath = Path.GetFullPath(Path.Combine("Resources", "Images", "lady.jpg")) },
            };

            var doc = new GcWordDocument();

            // Add the data source to the data template data sources
            // (note that in this release, only one data source can be added):
            doc.DataTemplate.DataSources.Add("ds", data);

            // The single paragraph added to the document contains template tags:
            // - {{#ds}}..{{/ds}} -- root template, 'ds' is the name of the data source;
            // - {{ds.name}} -- fetches the image name;
            // - {{ds.imagePath}:image(266,400)} -- fetches the image file, resizes the image to specified size.
            var p = doc.Body.Paragraphs.Add("{{#ds}}{{ds.name}}:\n{{ds.imagePath}:image(266,400)}{{/ds}}");

            // This call expands all data templates in the document,
            // replacing template tags with data (iterating over all data items):
            doc.DataTemplate.Process(System.Globalization.CultureInfo.GetCultureInfo("en-US"));

            // Done:
            return doc;
        }
    }
}