Guesses Type1C font type based on file content

[yurydelendik]

Fixes #4668

[Snuffleupagus]

Looks good!
I know that this just fixes a special case of bad font data, but should we also include a test file to prevent regressions if someone decides to re-factor this code in the future?

[yurydelendik]

Sure, here you go.

[Snuffleupagus]

/botio test

[pdfjsbot]

From: Bot.io (Linux)

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Received

Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.21.233.14:8877/c82b01b11c783e0/output.txt

[pdfjsbot]

From: Bot.io (Windows)

---

Received

Command cmd_test from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.22.172.223:8877/02eef1ba116ab2d/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Failed

Full output at http://107.22.172.223:8877/02eef1ba116ab2d/output.txt

Total script time: 2.81 mins

• Font tests: FAILED
• Unit tests: Passed
• Regression tests: FAILED

Image differences available at: http://107.22.172.223:8877/02eef1ba116ab2d/reftest-analyzer.html#web=eq.log

[pdfjsbot]

From: Bot.io (Linux)

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Success

Full output at http://107.21.233.14:8877/c82b01b11c783e0/output.txt

Total script time: 25.73 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[yurydelendik]

/botio-windows test

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_test from @yurydelendik received. Current queue size: 0

Live output at: http://107.22.172.223:8877/83a64cdd3d501ad/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Success

Full output at http://107.22.172.223:8877/83a64cdd3d501ad/output.txt

Total script time: 21.80 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[Snuffleupagus]

/botio makeref

[pdfjsbot]

From: Bot.io (Linux)

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Received

Command cmd_makeref from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.21.233.14:8877/50a6d0c5778685a/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_makeref from @Snuffleupagus received. Current queue size: 0

Live output at: http://107.22.172.223:8877/c42477f6591b227/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Success

Full output at http://107.22.172.223:8877/c42477f6591b227/output.txt

Total script time: 22.43 mins

• Lint: Passed
• Make references: Passed
• Check references: Passed

[pdfjsbot]

From: Bot.io (Linux)

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Success

Full output at http://107.21.233.14:8877/50a6d0c5778685a/output.txt

Total script time: 26.00 mins

• Lint: Passed
• Make references: Passed
• Check references: Passed

[Snuffleupagus]

Thanks!
I'd be happy to review more PRs with font fixes ;-)

[yurydelendik]

Heh, your turn :)