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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2020/06/10 07:06:00 UTC
[jira] [Comment Edited] (PDFBOX-4875) Lazy load standard 14 fonts,
only if needed
[ https://issues.apache.org/jira/browse/PDFBOX-4875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17130307#comment-17130307 ]
Tilman Hausherr edited comment on PDFBOX-4875 at 6/10/20, 7:05 AM:
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Re "tablet or phone", PDFBox for Android is a different project, they may or may not use the changes. So this can help only if such mobile devices are running windows.
was (Author: tilman):
Re "tablet of phone", PDFBox for Android is a different project, they may or may not use the changes. So this can help only if such mobile devices are running windows.
> Lazy load standard 14 fonts, only if needed
> -------------------------------------------
>
> Key: PDFBOX-4875
> URL: https://issues.apache.org/jira/browse/PDFBOX-4875
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing, Text extraction
> Affects Versions: 2.0.20, 3.0.0 PDFBox
> Reporter: Alfred
> Priority: Major
> Labels: Optimization
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> I am testing text extraction from PDF and profiling the execution.
> I found that the second biggest time consumer is the static code in Standard14Fonts that loads fonts from the pdf box jar.
> Looking at the code I realized we don't have to load all fonts statically, when the class loads.
> Not all PDFs need all fonts, so, if we lazy loaded them, only when needed, it will save some time and some memory.
> The memory part in particular would be important when running on a tablet or a phone, where the entire memory space of the app is 80M - 160M.
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