79 lines
2.7 KiB
C#
79 lines
2.7 KiB
C#
using System.IO;
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using UnityEngine;
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/// <summary>
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/// 将图片保存在本地
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/// </summary>
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public class SaveImageLocalComputer:SingletonManager<SaveImageLocalComputer>
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{
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/// <summary>
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/// 保存图片
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/// </summary>
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/// <param name="sprite">图片</param>
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public void SaveImages(Sprite sprite)
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{
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Texture2D tex = sprite.texture;
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string path = Application.streamingAssetsPath;
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#if UNITY_ANDROID && !UNITY_EDITOR
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path = "/sdcard/DCIM/Camera"; //设置图片保存到设备的目录.
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#endif
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if (!Directory.Exists(path))
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Directory.CreateDirectory(path);
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string savePath = path + "/" + tex.name + ".png";
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try
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{
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Application.HasUserAuthorization(UserAuthorization.Microphone);
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byte[] data = DeCompress(tex).EncodeToPNG();
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File.WriteAllBytes(savePath, data);
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OnSaveImagesPlartform(savePath);
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}
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catch
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{
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}
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}
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/// <summary>
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/// 刷新相册（不需要单独创建原生aar或jar）
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/// </summary>
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/// <param name="path"></param>
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private void OnSaveImagesPlartform(string filePath)
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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string[] paths = new string[1];
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paths[0] = filePath;
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using (AndroidJavaClass PlayerActivity = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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{
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AndroidJavaObject playerActivity = PlayerActivity.GetStatic<AndroidJavaObject>("currentActivity");
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using (AndroidJavaObject Conn = new AndroidJavaObject("android.media.MediaScannerConnection", playerActivity, null))
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{
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Conn.CallStatic("scanFile", playerActivity, paths, null, null);
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}
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}
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#endif
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}
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/// <summary>
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/// 压缩图片
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/// </summary>
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/// <param name="source"></param>
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/// <returns></returns>
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private Texture2D DeCompress(Texture2D source)
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{
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RenderTexture renderTex = RenderTexture.GetTemporary(
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source.width,
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source.height,
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0,
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RenderTextureFormat.Default,
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RenderTextureReadWrite.sRGB);
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Graphics.Blit(source, renderTex);
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RenderTexture previous = RenderTexture.active;
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RenderTexture.active = renderTex;
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Texture2D readableText = new Texture2D(source.width, source.height);
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readableText.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
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readableText.Apply();
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RenderTexture.active = previous;
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RenderTexture.ReleaseTemporary(renderTex);
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return readableText;
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}
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}
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