Hi,

I don't understand your issue.

AFAIKT there is no api using a PDPageContentStream as parameter, so that you shouldn't be bound to use any of our classes. Your proposal to introduce an interface indicates that you are reimplementing the whole class. Why is a change on our side necessary?

Maybe it is just me, but I didn't get your point. Can you give as some sample code how you are using that content stream of yours?

Andreas


Am 28.02.25 um 14:22 schrieb Mark de Does:
In one of my projects, I convert (a subset of) SVG to PDF, using PdfBox.

In SVG, the contents of the main <svg> element, the <marker>, <symbol> and <pattern> definitions have the same syntax and structure. With PdfBox 2, I use a PDPageContentStream to record the content of all three. With PdfBox 3, that no longer works because I must use a PDPatternContentStream to record a pattern. Because the different kinds of content stream do not share a visible (public) ancestor, I cannot use the same code to record SVG content to a content stream.

This morning, I captured the public methods of PDAbstractContentStream in an interface and declared PDAbstractContentStream to implement that interface. I adapted my code to use the interface and everything works fine. (As expected).

Before I make a PR, I need some guidance.

  * Do you think introducing an interface is overkill? Simply making
    PDAbstractContentStream public would achieve the same thing for me.
    (The class, not the constructor)
  * I chose the name PDContentStream for the interface. Later on, I
    discovered that is an infortunate name: A different interface with
    that name already exists. What would be a better name?
  * I moved the JavaDoc comments from the abstract class to the
    interface. You agree? Or shall I also leave them in place?
  * On which branch must I base my PR? (I see that the trunk already has
    a 4.0 version number)

Thanks and Greetings.. Mark



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