How to Add a Watermark to a Worksheet in Excel
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Use WordArt to add special text or picture effects to spreadsheets. For example, stretch a title across the top of the file, decorate text, and make text fit a preset shape, or apply text to an Excel sheet as a background watermark. The WordArt becomes an object that you can move or position in spreadsheets to add decoration.
The following example shows how to add a text as WordArt to set a background watermark for a worksheet.
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| workbook, _ := NewWorkbook() | |
| worksheets, _ := workbook.GetWorksheets() | |
| worksheet, _ := worksheets.Get_Int(0) | |
| shapes, _ := worksheet.GetShapes() | |
| wordart, _ := shapes.AddTextEffect(MsoPresetTextEffect_TextEffect1, "CONFIDENTIAL", "Arial Black", 50, false, true, 18, 8, 1, 1, 130, 800) | |
| wordArtFormat, _ := wordart.GetFill() | |
| wordArtFormat.SetTransparency(0.9) | |
| workbook.Save_String("Watermark_Text.xlsx") |
The following example shows how to add a picture as WordArt to set a background watermark for a worksheet. Source file
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| workbook, _ := NewWorkbook() | |
| worksheets, _ := workbook.GetWorksheets() | |
| worksheet, _ := worksheets.Get_Int(0) | |
| data, _ := os.ReadFile("watermark.png") | |
| worksheet.SetBackgroundImage(data) | |
| workbook.Save_String("Watermark_Pict.xlsx") |