/**
* UnityVersion: 2018.3.10f1
* FileName: ImageSlicer.cs
* Author: TYQ
* CreateTime: 2019/04/19 00:04:26
* Description:
*/
/*
* Author:
* Date:2019/01/30 10:24:22
* Desc: 图集切割器 (针对 Multiple 格式的图片)
* 操作方式: 选中图片, 选择编辑器的 Assets/ImageSlicer/Process to Sprites 菜单
*/
using UnityEngine;
using System.Collections;
using UnityEditor;
using System.IO;
using System.Collections.Generic;
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;
}
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();
}
}
}
来源: https://www.cnblogs.com/imteach/p/10743725.html