Watermark examples

These examples were written in response to questions such as: 

• How to add a watermark to a page with an opaque image?

• How to watermark PDFs using text or images?

transparentwatermark

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/stamper/TransparentWatermark.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/stamper/TransparentWatermark.cs##

transparentwatermark2

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/stamper/TransparentWatermark2.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/stamper/TransparentWatermark2.cs##

transparentwatermark3

##GITHUB:https://github.com/itext/i5js-sandbox/blob/master/src/main/java/sandbox/stamper/TransparentWatermark3.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.samples/itext/samples/sandbox/stamper/TransparentWatermark3.cs##