“Watermark” operation is used to add an image (usually a small one) to the source image. Add Watermark operation:

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The following options are available for this operation:

    • Apply watermark from file – specify file name of the image to be used as watermark. To conveniently select a file, use “…” button to call the standard “open file” dialog box.

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    • Horizontal alignment – specify horizontal alignment of the watermark (left, right, center).
    • Vertical alignment – specify vertical alignment of the watermark (top, bottom, center).
    • Horizontal offset – the value (in pixels) of watermark offset relative to horizontal alignment.
    • Vertical offset – the value (in pixels) of watermark offset relative to vertical alignment.

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  • Using method:
    • Alpha blend – when adding a watermark, its transparency will also be added.
    • Overdraw – the watermark will overlap the resulting image.

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Note: You can specify positive and negative offset values.