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| author | Bo Xu <bo_xu@foxitsoftware.com> | 2014-12-17 17:51:00 -0800 |
|---|---|---|
| committer | Bo Xu <bo_xu@foxitsoftware.com> | 2014-12-17 17:51:00 -0800 |
| commit | bf42dfea544a8ea3269b139e940f3f8eb38f7a27 (patch) | |
| tree | 2eedf59a9519706f4d1db486b2ee9571770444ae /core/src/fpdftext | |
| parent | 9f52a10839e62a8b58359d89e6f623cdcb77c71b (diff) | |
| download | pdfium-bf42dfea544a8ea3269b139e940f3f8eb38f7a27.tar.xz | |
Add a small LRU cache for the JBIG2 symbol dictionary.
This reduces rendering time on my test document by over
10 seconds. It is super common for a JBIG2 dictionary to
span multiple pages, so we don't want to decode the same
dictionary over and over again.
Original patch from Jeff Breidenbach (breidenbach@gmail.com)
BUG=https://code.google.com/p/pdfium/issues/detail?id=85
R=bo_xu@foxitsoftware.com, thestig@chromium.org
Review URL: https://codereview.chromium.org/761313004
Diffstat (limited to 'core/src/fpdftext')
0 files changed, 0 insertions, 0 deletions