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unity/Assets/Script/Tools/ImageSlicer.cs

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+
+//using UnityEngine;
+//using System.Collections;
+//using UnityEditor;
+//using System.IO;
+//using System.Collections.Generic;
+/// < summary >
+/// 切割
+/// </ summary >
+//public static class ImageSlicer
+//{
+//    [MenuItem("Assets/ImageSlicer/Process to Sprites")]
+//    static void ProcessToSprite()
+//    {
+//        Texture2D image = Selection.activeObject as Texture2D;//获取旋转的对象
+//        string rootPath = Path.GetDirectoryName(AssetDatabase.GetAssetPath(image));//获取路径名称
+//        string path = rootPath + "/" + image.name + ".PNG";//图片路径名称
+
+
+//        TextureImporter texImp = AssetImporter.GetAtPath(path) as TextureImporter;//获取图片入口
+
+
+//        AssetDatabase.CreateFolder(rootPath, image.name);//创建文件夹
+
+
+//        foreach (SpriteMetaData metaData in texImp.spritesheet)//遍历小图集
+//        {
+//            Texture2D myimage = new Texture2D((int)metaData.rect.width, (int)metaData.rect.height);
+
+//        abc_0: (x: 2.00, y: 400.00, width: 103.00, height: 112.00)
+//            for (int y = (int)metaData.rect.y; y < metaData.rect.y + metaData.rect.height; y++)//Y轴像素
+//            {
+//                for (int x = (int)metaData.rect.x; x < metaData.rect.x + metaData.rect.width; x++)
+//                    myimage.SetPixel(x - (int)metaData.rect.x, y - (int)metaData.rect.y, image.GetPixel(x, y));
+//            }
+
+
+//            转换纹理到EncodeToPNG兼容格式
+//            if (myimage.format != TextureFormat.ARGB32 && myimage.format != TextureFormat.RGB24)
+//            {
+//                Texture2D newTexture = new Texture2D(myimage.width, myimage.height);
+//                newTexture.SetPixels(myimage.GetPixels(0), 0);
+//                myimage = newTexture;
+//            }
+//            DeCompress(myimage);
+//            var pngData = myimage.EncodeToPNG();
+
+
+//            AssetDatabase.CreateAsset(myimage, rootPath + "/" + image.name + "/" + metaData.name + ".PNG");
+//            File.WriteAllBytes(rootPath + "/" + image.name + "/" + metaData.name + ".PNG", pngData);
+//            刷新资源窗口界面
+//            AssetDatabase.Refresh();
+//        }
+//    }
+
+//    / <summary>
+//    / 
+//    / </summary>
+//    / <param name = "source" ></ param >
+//    / < returns ></ returns >
+//    public static Texture2D DeCompress(Texture2D source)
+//    {
+//        RenderTexture renderTex = RenderTexture.GetTemporary(
+//                    source.width,
+//                    source.height,
+//                    0,
+//                    RenderTextureFormat.Default,
+//                    RenderTextureReadWrite.Linear);
+
+//        Graphics.Blit(source, renderTex);
+//        RenderTexture previous = RenderTexture.active;
+//        RenderTexture.active = renderTex;
+//        Texture2D readableText = new Texture2D(source.width, source.height);
+//        readableText.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
+//        readableText.Apply();
+//        RenderTexture.active = previous;
+//        RenderTexture.ReleaseTemporary(renderTex);
+//        return readableText;
+//    }
+//}
+