eud-eud-for-devexpress-reports-reporting-for-desktop-print-preview-print-preview-for-wpf-changing-a-watermark.md
DevExpress Reporting allows you to display text and picture watermarks on report pages. You can also specify an expression that assigns different watermarks to pages.
This tutorial includes information about the following tasks:
How to add watermarks.
How to specify watermark settings.
How to define watermark accessibility settings.
To invoke the Watermark dialog, click the Watermark button on the toolbar.
To add a text watermark, open the Text Watermark tab.
Specify the following settings:
Watermark Id
Font Name
Size
Unit
Bold
Italic
Foreground Color
Text
Text Transparency
Text Direction
Text Position
Page Range
Role
Description
To add a picture watermark, switch to the Picture Watermark tab. To load the image to be used as a watermark, click the ellipsis button for the Image property. In the invoked dialog, select the file containing the image that you wish to load and click Open.
Specify the following settings:
Watermark Id
Image Source
Image Position
Image Transparency
Image View Mode
Image Tiling
Image Alignment
Page Range
Role
Description
A picture watermark supports the following formats:
You can display both text and a picture in one Watermark. Use the Text Position and Image Position options of the watermark to specify whether the text and picture should be displayed behind or in front of page content.
For example, create a watermark and specify its text and picture settings. Set position of the text to InFront and position of the picture to Behind :
As a result, the image is displayed behind the table, while the text is in front of the content:
Use the following options to specify whether to include report watermarks in the logical structure of exported PDF documents:
For image watermarks that convey meaningful information, set the Role property to Figure and use the Description property to specify alternative text.
For text watermarks, set the Role property to Paragraph and use the Description property to specify alternative text.
For purely decorative watermarks, retain the default value to treat the watermark as an artifact.
To remove watermarks from a document, click the watermarks’s “bin” icon in the Watermark dialog. Then, click OK to save changes and close the dialog.