65 lines
1.8 KiB
C#
65 lines
1.8 KiB
C#
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using System.IO;
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using System.Text;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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using SFB;
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[RequireComponent(typeof(Button))]
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public class CanvasSampleSaveFileImage : MonoBehaviour, IPointerDownHandler {
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public Text output;
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private byte[] _textureBytes;
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void Awake() {
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// Create red texture
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var width = 100;
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var height = 100;
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Texture2D tex = new Texture2D(width, height, TextureFormat.RGB24, false);
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for (int i = 0; i < width; i++) {
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for (int j = 0; j < height; j++) {
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tex.SetPixel(i, j, Color.red);
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}
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}
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tex.Apply();
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_textureBytes = tex.EncodeToPNG();
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UnityEngine.Object.Destroy(tex);
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}
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#if UNITY_WEBGL && !UNITY_EDITOR
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//
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// WebGL
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//
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[DllImport("__Internal")]
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private static extern void DownloadFile(string gameObjectName, string methodName, string filename, byte[] byteArray, int byteArraySize);
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// Broser plugin should be called in OnPointerDown.
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public void OnPointerDown(PointerEventData eventData) {
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DownloadFile(gameObject.name, "OnFileDownload", "sample.png", _textureBytes, _textureBytes.Length);
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}
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// Called from browser
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public void OnFileDownload() {
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output.text = "File Successfully Downloaded";
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}
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#else
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//
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// Standalone platforms & editor
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//
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public void OnPointerDown(PointerEventData eventData) { }
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// Listen OnClick event in standlone builds
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void Start() {
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var button = GetComponent<Button>();
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button.onClick.AddListener(OnClick);
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}
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public void OnClick() {
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var path = StandaloneFileBrowser.SaveFilePanel("Title", "", "sample", "png");
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if (!string.IsNullOrEmpty(path)) {
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File.WriteAllBytes(path, _textureBytes);
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}
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}
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#endif
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}
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