Image Transparency

DsExcel supports controlling the transparency of an image by providing setTransparency method in IPictureFormat interface. The value of transparency can vary between 0.0 (opaque) to 1.0 (clear).

Using Code

Refer to the following example code to set the transparency of an image.

// Create a new workbook
Workbook workbook = new Workbook();

// Use sheet index to get worksheet.
IWorksheet worksheet = workbook.getWorksheets().get(0);

// Add a picture
IShape picture = worksheet.getShapes().addPicture("Image.png", 20, 20, 490, 120);

// Set picture's transparency as 60%.
picture.getPictureFormat().setTransparency(0.6);

// Save to an excel file
workbook.save("ImageTransparency.xlsx");