Scale

ImageWatermarkOptions.Scale property

Gets or sets the scale factor expressed as a fraction of the image. The default value is 0 - auto.

public double Scale { get; set; }

Exceptions

exceptioncondition
ArgumentOutOfRangeExceptionThrows when argument was out of the range of valid values.

Remarks

Valid values range from 0 to 65.5 inclusive.

Auto scale means that the watermark will be scaled to its max width and max height relative to the page margins.

Examples

Shows how to create a watermark from an image in the local file system.

Document doc = new Document();

            // Modify the image watermark's appearance with an ImageWatermarkOptions object,
            // then pass it while creating a watermark from an image file.
            ImageWatermarkOptions imageWatermarkOptions = new ImageWatermarkOptions();
            imageWatermarkOptions.Scale = 5;
            imageWatermarkOptions.IsWashout = false;

#if NET461_OR_GREATER || JAVA
            // We have a different options to insert image:
            doc.Watermark.SetImage(Image.FromFile(ImageDir + "Logo.jpg"), imageWatermarkOptions);

            doc.Watermark.SetImage(Image.FromFile(ImageDir + "Logo.jpg"));

            doc.Watermark.SetImage(ImageDir + "Logo.jpg", imageWatermarkOptions);
#elif NET5_0_OR_GREATER
            using (SKBitmap image = SKBitmap.Decode(ImageDir + "Logo.jpg"))
            {
                doc.Watermark.SetImage(image, imageWatermarkOptions);
            }
#endif

            doc.Save(ArtifactsDir + "Document.ImageWatermark.docx");

See Also

ImageWatermarkOptions.IsWashout