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981062-Modify chart to image conversion page in XlsIO #230

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Merged
merged 1 commit into from
Sep 15, 2025
Merged

981062-Modify chart to image conversion page in XlsIO #230

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Binary file modified Chart to Image/Chart to Image/.NET/Chart to Image/Chart to Image/Data/InputTemplate.xlsx
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15 changes: 12 additions & 3 deletions Chart to Image/Chart to Image/.NET/Chart to Image/Chart to Image/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,25 +8,34 @@ class Program
{
static void Main(string[] args)
{
//Initialize ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
{
//Initialize application
IApplication application = excelEngine.Excel;

//Set the default version as Xlsx
application.DefaultVersion = ExcelVersion.Xlsx;

// Initialize XlsIORenderer
//Initialize XlsIORenderer
application.XlsIORenderer = new XlsIORenderer();

//Set converter chart image format to PNG
//Set converter chart image format to PNG or JPEG
application.XlsIORenderer.ChartRenderingOptions.ImageFormat = ExportImageFormat.Png;

//Set the chart image quality to best
application.XlsIORenderer.ChartRenderingOptions.ScalingMode = ScalingMode.Best;

//Open existing workbook with chart
FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/InputTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream);
IWorksheet worksheet = workbook.Worksheets[0];

//Access the chart from the worksheet
IChart chart = worksheet.Charts[0];

#region Save
//Saving the workbook
//Exporting the chart as image
FileStream outputStream = new FileStream(Path.GetFullPath("Output/Image.png"), FileMode.Create, FileAccess.Write);
chart.SaveAsImage(outputStream);
#endregion
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