This crisp tutorial guides on how to insert spreadsheet background image in Java. It provides assistance to read an image from a file and set it as a background image such that if the image is small, it is repeated throughout the sheet. Once you insert Excel background image in Java, the resultant workbook can be saved as XLSX, XLS, or in any of the desired formats for use with MS Excel.

Steps to Add Excel Image Background in Java

1. Add Aspose.Cells from the repository to insert a background image
2. Instantiate a Workbook object
3. Get a reference to the target worksheet for inserting an image as a background
4. Fill the byte array with the data from the image file
5. Use this byte array to set the background-image property and save the resultant workbook

These steps explain the process to add Excel background image in Java. After establishing the environment, a new workbook is created however some existing workbooks can also be loaded. The target worksheet is accessed from the loaded spreadsheet as it contains the property to set the background image. In the final step, the byte array is filled with the data from the image file and then set as a value to the background image property.

Code to Insert Spreadsheet Background Image in Java

This simple code demonstrates the process to insert background pictures for Excel sheet in Java. The Workbook and Worksheet classes are used for accessing the target sheet where the image is to be set as background. The FileInputStream class is used for reading the bytes from the image file and then the resulting byte array is used as an argument to the setBackgroundImage() method.

This tutorial has guided us to insert background images in a sheet. If you want to learn other operations like inserting comments in an Excel file, refer to the article on how to insert comments in Excel using Java.