feat: 管理器支持深浅主题切换，发布 exe

- 新增 LightTheme.xaml 浅色主题资源 - 标题栏添加主题切换按钮（☀️/🌙） - Manager 支持深浅主题互换 - 发布 Manager.exe (292KB) 和 Installer.exe (171KB) - 插件安装包 Better-Seewo.2.0.0.exe (11.6MB)
2026-06-28 12:43:17 +08:00
parent fb7b924c0d
commit 65d61b44d9
12 changed files with 432 additions and 3 deletions
--- a/Better-EN5/Services/Conversion/PptxImporter.cs
+++ b/Better-EN5/Services/Conversion/PptxImporter.cs
@@ -0,0 +1,142 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Presentation;
+using D = DocumentFormat.OpenXml.Drawing;
+
+namespace BetterEN5.Services.Conversion;
+
+public class PptxImporter
+{
+    public DocumentModel Import(string pptxPath)
+    {
+        var doc = new DocumentModel();
+
+        using var presentation = PresentationDocument.Open(pptxPath, false);
+        var presPart = presentation.PresentationPart!;
+        var pres = presPart.Presentation;
+
+        var slideSize = pres.SlideSize!;
+        doc.SlideWidth = slideSize.Cx!.Value;
+        doc.SlideHeight = slideSize.Cy!.Value;
+
+        int slideIndex = 0;
+        foreach (var slideId in pres.SlideIdList!.ChildElements.OfType<SlideId>())
+        {
+            slideIndex++;
+            var slidePart = presPart.GetPartById(slideId.RelationshipId!) as SlidePart;
+            if (slidePart == null) continue;
+
+            var slide = slidePart.Slide;
+            var slideModel = new SlideModel
+            {
+                Name = $"Slide{slideIndex}",
+                Width = doc.SlideWidth,
+                Height = doc.SlideHeight
+            };
+
+            ParseSlideElements(slidePart, slide, slideModel, doc);
+
+            doc.Slides.Add(slideModel);
+        }
+
+        return doc;
+    }
+
+    private void ParseSlideElements(SlidePart slidePart, Slide slide, SlideModel slideModel, DocumentModel doc)
+    {
+        if (slide.CommonSlideData?.ShapeTree == null) return;
+
+        foreach (var element in slide.CommonSlideData.ShapeTree.ChildElements)
+        {
+            switch (element)
+            {
+                case Picture pic:
+                    ParsePicture(slidePart, pic, slideModel);
+                    break;
+                case Shape shape:
+                    ParseShape(shape, slideModel);
+                    break;
+            }
+        }
+    }
+
+    private void ParsePicture(SlidePart slidePart, Picture pic, SlideModel slideModel)
+    {
+        var blipFill = pic.BlipFill;
+        if (blipFill?.Blip == null) return;
+
+        var embed = blipFill.Blip.Embed?.Value;
+        if (string.IsNullOrEmpty(embed)) return;
+
+        var imagePart = slidePart.GetPartById(embed) as ImagePart;
+        if (imagePart == null) return;
+
+        using var stream = imagePart.GetStream();
+        var data = new byte[stream.Length];
+        stream.Read(data, 0, data.Length);
+
+        var transform = pic.ShapeProperties?.Transform2D;
+        var img = new ImageElement
+        {
+            Data = data,
+            ContentType = imagePart.ContentType,
+            FileName = $"image{slideModel.Elements.Count + 1}{GetExtension(imagePart.ContentType)}",
+            X = transform?.Offset?.X?.Value ?? 0,
+            Y = transform?.Offset?.Y?.Value ?? 0,
+            Width = transform?.Extents?.Cx?.Value ?? 0,
+            Height = transform?.Extents?.Cy?.Value ?? 0
+        };
+        slideModel.Elements.Add(img);
+    }
+
+    private void ParseShape(Shape shape, SlideModel slideModel)
+    {
+        var textBody = shape.TextBody;
+        if (textBody == null) return;
+
+        var text = string.Concat(
+            textBody.Descendants<D.Text>().Select(t => t.Text));
+        if (string.IsNullOrWhiteSpace(text)) return;
+
+        var transform = shape.ShapeProperties?.Transform2D;
+        var textElem = new TextElement
+        {
+            Text = text.Trim(),
+            X = transform?.Offset?.X?.Value ?? 0,
+            Y = transform?.Offset?.Y?.Value ?? 0,
+            Width = transform?.Extents?.Cx?.Value ?? 0,
+            Height = transform?.Extents?.Cy?.Value ?? 0
+        };
+
+        var firstRun = textBody.Descendants<D.Run>().FirstOrDefault();
+        if (firstRun?.RunProperties != null)
+        {
+            var rp = firstRun.RunProperties;
+            textElem.FontSize = (rp.FontSize?.Value ?? 1800) / 100.0;
+            textElem.IsBold = rp.Bold?.Value ?? false;
+
+            var solidFill = rp.GetFirstChild<D.SolidFill>();
+            if (solidFill?.RgbColorModelHex?.Val?.Value != null)
+                textElem.FontColor = $"#{solidFill.RgbColorModelHex.Val.Value}";
+            else if (solidFill?.SchemeColor?.Val?.Value != null)
+                textElem.FontColor = $"#{solidFill.SchemeColor.Val}";
+        }
+
+        slideModel.Elements.Add(textElem);
+    }
+
+    private static string GetExtension(string contentType)
+    {
+        return contentType switch
+        {
+            "image/png" => ".png",
+            "image/jpeg" => ".jpg",
+            "image/gif" => ".gif",
+            "image/bmp" => ".bmp",
+            "image/tiff" => ".tiff",
+            _ => ".bin"
+        };
+    }
+}