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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2019/07/19 04:04:00 UTC
[jira] [Commented] (PDFBOX-4600) Please clarify CTM terminology in
Javadoc
[ https://issues.apache.org/jira/browse/PDFBOX-4600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16888498#comment-16888498 ]
Tilman Hausherr commented on PDFBOX-4600:
-----------------------------------------
How about this:
{noformat}
/**
* The cm operator. Concatenates the given matrix with the current transformation matrix (CTM),
* which maps user space coordinates used within a PDF content stream into output device
* coordinates. More details on coordinates can be found in the PDF 32000 specification, 8.3.2
* Coordinate Spaces.
{noformat}
> Please clarify CTM terminology in Javadoc
> -----------------------------------------
>
> Key: PDFBOX-4600
> URL: https://issues.apache.org/jira/browse/PDFBOX-4600
> Project: PDFBox
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 2.0.16
> Reporter: Gili
> Priority: Major
>
> The Javadoc for {{PDPageContentStream.transform(Matrix)}} reference "the CTM" but for never define the term. For those of us who are not familiar with the PDF specification, it would be helpful if the Javadoc defined such terms, linked to documentation that does, or at the very least provide the full name behind the acronym. Thank you.
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