Duplicate font embedding in PDF output on macOS
Reported by
murak...@vivliostyle.com,
Nov 7 2017
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Issue description
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36
Steps to reproduce the problem:
1. open the sample (attached test-arial.html)
2. Print->Save as PDF, with options: OFF "Headers and footers"
3. open the output PDF file in a text editor
4. Find the objects with "/Type /FontDescriptor"
What is the expected behavior?
Only one font descriptor object ("/Type /FontDescriptor") with "/FontName /ArialMT" is found, because this sample (test-arial.html) uses only one regular Arial font (with 3 different sizes).
What went wrong?
There are 3 font descriptor objects with "/FontName /ArialMT", containing same (duplicate) /FontFile2 stream object.
It seems duplicate font embedding occurs for each font size (this sample uses 3 font sizes and causes 3 duplicate font embedding).
Did this work before? N/A
Chrome version: 62.0.3202.89 Channel: stable
OS Version: OS X 10.12.6
Flash Version:
I tested this with Chrome for Mac stable (62.0.3202.75) and Canary (64.0.3260.0) versions and found no difference.
However, I found this problem does not occur on Chrome versions for Windows and Linux.
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Nov 7 2017
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Nov 8 2017
Able to reproduce this issue on Mac 10.12.6 using chrome reported version #62.0.3202.89 and latest canary #64.0.3261.0. Issue is specific to OS-mac. This is a non-regression issue as it is observed from M50 old builds. Hence, marking it as untriaged to get more inputs from dev team. Thanks...!! |
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Comment 1 by manoranj...@chromium.org
, Nov 7 2017Labels: Needs-Triage-M62