Rotate Text Watermark

Posted by: Kenneth_Alws on 7 March 2019, 8:30 am EST

  • Posted 7 March 2019, 8:30 am EST

    How can I rotate my text watermark; I'd like to make the watermark at a 45* angle? I'm using VB.NET and the code below works fine for adding a horizontal, text watermark.

    I create the text format:
    Dim tf As New GrapeCity.Documents.Text.TextFormat
    tf.Font = StandardFonts.HelveticaBold
    tf.FontSize = 55
    tf.ForeColor = Color.FromArgb(100, 255, 182, 193)

    I then add the watermark:

    For Each page In doc.Pages
    Dim watermark As New WatermarkAnnotation
    watermark.Text = "Do Not Disclose"
    watermark.TextFormat = tf
    watermark.Name = "DiscloseWM"
    watermark.Rect = New RectangleF(100.5F, 110.5F, 500, 250)

  • Replied 7 March 2019, 10:01 pm EST


    In GcPdf, Text can be transformed using the Transform property of GcPdfGraphics instance, as explained under "Rotate Text" topic at the below mentioned documentation link:

    There is no direct property related to specifying angles for the watermark text.
    Apologies for the inconvenience.

  • Marked as Answer

    Replied 11 March 2019, 4:00 am EST

    Hi Kenneth,

    WatermarkAnnotation is a very specific PDF feature, primarily designed for printing (see PDF 1.7 spec p.644). If you want to add a watermark to your document that would show at all times, with full control over how it is rendered - you are better off using a WidgetAnnotation, a StampAnnotation or just a rotated text printed on all pages. An example showing a rotated image (but you can easily replace it with a text) for something very similar to what you're trying to achieve is here:

    Hope this helps. Please let me know if you need more details.

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