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*This implementation is basically a copy of the pre-existing `builtInCMapCache` implementation.* For some, badly generated, PDF documents it's possible that we'll end up having to fetch the *same* standard font data over and over (which is obviously inefficient). While not common, it's certainly possible that a PDF document uses *custom* font names where the actual font then references one of the standard fonts; see e.g. issue 11399 for one such example. Note that I did suggest adding worker-thread caching of standard font data in PR 12726, however it wasn't deemed necessary at the time. Now that we have a real-world example that benefit from caching, I think that we should simply implement this now. |
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| chromium | ||
| font | ||
| integration | ||
| pdfs | ||
| resources | ||
| stats | ||
| ttx | ||
| types | ||
| unit | ||
| .eslintrc | ||
| .gitignore | ||
| add_test.js | ||
| annotation_layer_builder_overrides.css | ||
| downloadutils.js | ||
| driver.js | ||
| integration-boot.js | ||
| test.js | ||
| test_manifest.json | ||
| test_slave.html | ||
| testutils.js | ||
| text_layer_test.css | ||
| webserver.js | ||