233 lines
7.8 KiB
C#
233 lines
7.8 KiB
C#
using Aspose.Slides;
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using Aspose.Words.Lists;
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using Cysharp.Threading.Tasks;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using TMPro;
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using Unity.VisualScripting;
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using UnityEngine;
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using UnityEngine.UI;
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public static class LoadPPTTest
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{
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/// <summary>
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///
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/// </summary>
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private static Dictionary<string, List<Texture2D>> texturesDic = new Dictionary<string, List<Texture2D>>();
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/// <summary>
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/// PPT所有路径
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/// </summary>
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private static string[] pptsPath = null;
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/// <summary>
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/// 加载单个课程所有图片
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/// </summary>
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/// <param name="pptName"></param>
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/// <returns></returns>
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public static List<Texture2D> LoadPPTItems(string pptName)
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{
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string pptPath = GetPPTPathByName(pptName);
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return GetTexture2DsByName(pptName, pptPath);
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//target.StartCoroutine(LoadAllPPTFiles(pptPath));
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}
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public static string[] PPTName()
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{
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///切割pptsPath
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return pptsPath;
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}
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private static List<Texture2D> GetTexture2DsByName(string pptName, string pptPath)
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{
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if (!texturesDic.ContainsKey(pptName))
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{
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texturesDic.Add(pptName, LoadAllPPTFiles(pptPath));
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return LoadAllPPTFiles(pptPath);
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}
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else
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{
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foreach (var item in texturesDic.Keys)
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{
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if (item.Equals(pptName))
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return texturesDic[item];
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}
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}
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return null;
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}
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/// <summary>
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/// 获取当前课程PPT目录
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/// </summary>
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/// <param name="pptName">名称</param>
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/// <returns></returns>
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private static string GetPPTPathByName(string pptName)
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{
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foreach (var item in pptsPath)
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{
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if (item.Contains(pptName))
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return item;
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}
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return null;
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}
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/// <summary>
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/// 获取文件夹下所有.pptx文件
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/// </summary>
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/// <param name="folderPath"></param>
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public static void PPTFiles(string folderPath)
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{
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string fullPPTFolderPath = Path.Combine(Application.streamingAssetsPath, folderPath);
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pptsPath = Directory.GetFiles(fullPPTFolderPath, "*.pptx");
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}
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public static List<Texture2D> LoadAllPPTFiles(string folderPath)
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{
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List<Texture2D> texture2Ds = new List<Texture2D>();
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Presentation presentation = new Aspose.Slides.Presentation(folderPath);
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// 遍历文档（只做示例使用自己根据需求拓展）
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for (int i = 0; i < presentation.Slides.Count; i++)
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{
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ISlide slide = presentation.Slides[i];
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var bitmap = slide.GetThumbnail(1f, 1f);
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// 声明内存流，将图片转换为内存流，再由流转换为byte数组，然后用texture2d加载byte数组
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using (MemoryStream ms = new MemoryStream())
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{
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bitmap.Save(ms, ImageFormat.Jpeg);
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byte[] buff = new byte[ms.Length];
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ms.Seek(0, SeekOrigin.Begin);
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ms.Read(buff, 0, (int)ms.Length);
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// 注意这个image的命名空间为system.drawing不是unity.ui,这个图片的目的是提供图片的宽高
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System.Drawing.Image sizeImage = System.Drawing.Image.FromStream(ms);
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Texture2D texture2D = new Texture2D(sizeImage.Width, sizeImage.Height);
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texture2D.LoadImage(buff);
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texture2Ds.Add(texture2D);
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}
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}
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Debug.Log("所有PPT加载完成！");
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return texture2Ds;
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}
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// 逐个加载每个PPT文件
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/// <summary>
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/// 分割ppt路径名称
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/// </summary>
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/// <param name="pptname"></param>
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public static string PathName(string pptname)
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{
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if (string.IsNullOrEmpty(pptname))
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{
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Debug.LogError("路径不能为空！");
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return null;
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}
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string standardizedPath = pptname.Replace('\\', '/');
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// 获取无扩展名的文件名
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string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(standardizedPath);
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Debug.Log("文件名: " + fileNameWithoutExtension);
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return fileNameWithoutExtension;
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}
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/// <summary>
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/// 从文件名中提取开头的数字（如 "1-第一章" -> 返回 1）
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/// </summary>
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public static int ExtractLeadingNumber(string fileName)
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{
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if (string.IsNullOrEmpty(fileName)) return 0;
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// 找到第一个数字序列
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var numStr = new string(fileName.TakeWhile(char.IsDigit).ToArray());
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return int.TryParse(numStr, out int num) ? num : 0;
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}
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/// <summary>
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/// 刷新右侧的滑动条
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/// </summary>
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/// <returns></returns>
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public static async UniTask RefreshScrollView(RectTransform content, ScrollRect scrollRect)
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{
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await UniTask.Delay(1);
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LayoutRebuilder.ForceRebuildLayoutImmediate(content as RectTransform);
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scrollRect.verticalNormalizedPosition = 1; // 回到顶部
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}
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/// <summary>
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/// 根据文字数量改变 背景 大小
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/// </summary>
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/// <param name="contentText"></param>
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public static void AdjustImageWidth(TextMeshProUGUI contentText, RectTransform _bg, float width, float height)
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{
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float preferredWidth = contentText.preferredWidth;
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_bg.sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : width), _bg.sizeDelta.y);
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contentText.GetComponent<RectTransform>().sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : width), height);
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}
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}
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//public class LoadPPTTest : MonoBehaviour
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//{
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// public static LoadPPTTest Instance;
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// private void Start()
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// {
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// Instance = this;
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// //LoadPPTTest.Instance.LoadPPTGO(Application.streamingAssetsPath + "/PPT/1-第一章 绪论.pptx");
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// }
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// public IEnumerator LoadPPTGOCoroutine(string pptPath ,GameObject imageprefab, Transform content)
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// {
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// //清理content下的旧物体
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// for (int i = 0; i < content.childCount; i++)
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// {
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// Destroy(content.GetChild(i).gameObject);
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// }
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// yield return null;
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// Presentation presentation = new Aspose.Slides.Presentation(pptPath);
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// int totalSlides = presentation.Slides.Count;
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// // 逐页处理 PPT 幻灯片
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// for (int i = 0; i < totalSlides; i++)
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// {
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// ISlide slide = presentation.Slides[i];
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// var bitmap = slide.GetThumbnail(1f, 1f);
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// // 使用内存流将图片转换为 Texture2D
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// using (MemoryStream ms = new MemoryStream())
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// {
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// bitmap.Save(ms, ImageFormat.Jpeg);
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// byte[] buff = new byte[ms.Length];
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// ms.Seek(0, SeekOrigin.Begin);
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// ms.Read(buff, 0, (int)ms.Length);
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// // 获取图片宽高
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// System.Drawing.Image sizeImage = System.Drawing.Image.FromStream(ms);
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// // 创建 Texture2D 并加载图片数据
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// Texture2D texture2D = new Texture2D(sizeImage.Width, sizeImage.Height);
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// texture2D.LoadImage(buff);
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// // 实例化 Image 并设置到 content 下
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// Image image = Instantiate(imageprefab, content).GetComponent<Image>();
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// image.rectTransform.sizeDelta = new Vector2(sizeImage.Width, sizeImage.Height);
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// image.sprite = Sprite.Create(texture2D, new Rect(0, 0, texture2D.width, texture2D.height), Vector2.zero);
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// }
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// // 每处理一页后暂停一帧，分散负载
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// yield return null;
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// }
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// }
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// public void LoadPPTGO(string pptPath, GameObject imageprefab, Transform content)
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// {
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// StartCoroutine(LoadPPTGOCoroutine(pptPath, imageprefab, content));
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// }
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//}
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