[PDFBOX-5280] Suggestion: Add method chaining for PDPageContentStream

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.0.0 PDFBox
• Component/s: Writing
• Flags: Patch
• Assignee: Unassigned
• Reporter: Christian Appl
• Created: 15/Sep/21 12:03
• Updated: 15/Sep/21 12:09

Description

**This patch is a byproduct of my other contributions. I wanted to simplify the creation of new PDF via PDFBox and I like method chaining.

This is not a major contribution whatsoever and does not really add new functionality.
But instead of letting this rot in a shelf or some local mirror, I could just suggest it here.

It allows chaining the different methods of PDPageContentStreams / PDAbstractContentStreams.

Without method chaining:

With method chaining:

If this patch is not beneficial or uninteresting simply close this issue.

Be aware though:
This is based on bold typecasts. If you wanted to include this, this is something I could possibly fix:

Also be aware:
This is a quick and dirty solution and does not include other stream types, that may extend PDAbstractContentStream.
If you were interested - please tell me so I can check that and clean it up.

This is not fit for direct inclusion and would require some cleanup first!