API for drawing content on pages using the PdfDrawable.

A PdfDrawable is a drawable subclass providing a PDF-to-screen transformation matrix to implementations via getPDFToPageTransformation(). To let the drawable draw content on a page, create a PdfDrawableProvider returning the drawable and register it via addDrawableProvider(PdfDrawableProvider).


PdfDrawableManager Interface for objects that manage a list of PdfDrawableProvider instances. 
PdfDrawableProvider.DrawableProviderObserver An observer interested in changes to the underlying set of drawables. 


PdfDrawable Drawable subclass for drawing on top of a PDF document. 
PdfDrawableProvider Interface for a class that can return a list of PdfDrawable instances that should be drawn on top of the document.