74 lines
2.3 KiB
C#
74 lines
2.3 KiB
C#
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using COP.Info;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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using System.ComponentModel;
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namespace COP
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{
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public partial class ExcelComponent : Component
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{
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public ExcelComponent()
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{
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InitializeComponent();
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}
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public ExcelComponent(IContainer container)
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{
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container.Add(this);
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InitializeComponent();
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}
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public void GenerateExcelWithImages(ExcelImageInfo info)
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{
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if (string.IsNullOrEmpty(info.fileName))
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{
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throw new ArgumentNullException(nameof(info.fileName), "File name cannot be null or empty.");
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}
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if (info.images == null || info.images.Count == 0)
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{
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throw new ArgumentException("At least one image must be provided.", nameof(info.images));
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}
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if (string.IsNullOrEmpty(info.documentTitle))
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{
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throw new ArgumentNullException(nameof(info.documentTitle), "Document title cannot be null or empty.");
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}
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var workbook = new XSSFWorkbook();
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var sheet = workbook.CreateSheet("Sheet1");
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sheet.CreateRow(0).CreateCell(0).SetCellValue(info.documentTitle);
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int startRowIndex = 2;
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var rowOffset = 1;
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foreach (var imageInfo in info.images)
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{
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using var fs = new FileStream(imageInfo.FilePath, FileMode.Open, FileAccess.Read);
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var imageBytes = new byte[fs.Length];
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fs.Read(imageBytes, 0, imageBytes.Length);
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var pictureIdx = workbook.AddPicture(imageBytes, PictureType.JPEG);
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var drawing = sheet.CreateDrawingPatriarch();
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var anchor = new XSSFClientAnchor(0, 0, 0, 0, 0, startRowIndex, 1, startRowIndex + 1);
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var picture = drawing.CreatePicture(anchor, pictureIdx);
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picture.Resize();
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var pictureHeight = picture.GetImageDimension().Height / 20;
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startRowIndex += pictureHeight + rowOffset;
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}
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using (var fs = new FileStream(info.fileName, FileMode.Create, FileAccess.Write))
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{
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workbook.Write(fs);
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}
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}
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public class ImageInfo
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{
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public string? FilePath { get; set; }
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}
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}
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}
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