Make demo

Author: mochi-neko

Assets/Mochineko/StbImageSharpForUnity.Demo.meta

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+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
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Assets/Mochineko/StbImageSharpForUnity.Demo/DemoImageMaterial.mat

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+using System.Net.Http;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+
+namespace Mochineko.StbImageSharpForUnity.Demo
+{
+    /// <summary>
+    /// A demonstration code of StbImageSharpForUnity loading an image from URL to <see cref="Texture2D"/>. 
+    /// </summary>
+    internal sealed class ImageLoaderDemo : MonoBehaviour
+    {
+        [SerializeField] private string url;
+        [SerializeField] private Renderer target;
+
+        private HttpClient httpClient;
+        private Texture2D texture;
+
+        private void Awake()
+        {
+            httpClient = new HttpClient();
+        }
+
+        private void OnDestroy()
+        {
+            httpClient.Dispose();
+        }
+
+        private void Start()
+        {
+            Load();
+        }
+
+        private void OnGUI()
+        {
+            if (GUILayout.Button($"{nameof(Load)}"))
+            {
+                Load();
+            }
+            if (GUILayout.Button($"{nameof(Clear)}"))
+            {
+                Clear();
+            }
+        }
+
+        private void Load()
+        {
+            LoadImageAsync().Forget();
+        }
+        
+        private void Clear()
+        {
+            Destroy(texture);
+        }
+        
+        private async UniTask LoadImageAsync()
+        {
+            await UniTask.SwitchToThreadPool();
+
+            var data = await httpClient.GetByteArrayAsync(url);
+
+            var imageResult = ImageDecoder.DecodeImage(data);
+
+            await UniTask.SwitchToMainThread();
+
+            texture = imageResult.ToTexture2D();
+
+            target.material.mainTexture = texture;
+        }
+    }
+}

Assets/Mochineko/StbImageSharpForUnity.Demo/DemoImageMaterial.mat.meta

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