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| author | npm <npm@chromium.org> | 2016-10-18 10:38:20 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-10-18 10:38:20 -0700 |
| commit | 7c29e27dae139a205755c1a29b7f3ac8b36ec0da (patch) | |
| tree | 9cc6b44a5c498e7b4c0ddf3dddb4a30654852ea5 /third_party/agg23/agg_vcgen_stroke.cpp | |
| parent | f3c5fc09f0818ec378890ade42bef40eebd3f0a9 (diff) | |
| download | pdfium-7c29e27dae139a205755c1a29b7f3ac8b36ec0da.tar.xz | |
Traverse PDF page tree only once in CPDF_Documentchromium/2895
In our current implementation of CPDF_Document::GetPage, we traverse
the PDF page tree until we find the index we are looking for. This is
slow when we do calls GetPage(0), GetPage(1), ... since in this case
the page tree will be traversed n times if there are n pages. This CL
makes sure the page tree is only traversed once.
Time to load the PDF from the bug below in chrome official build:
Before this CL: 1 minute 40 seconds
After this CL: 5 seconds
BUG=chromium:638513
Review-Url: https://codereview.chromium.org/2414423002
Diffstat (limited to 'third_party/agg23/agg_vcgen_stroke.cpp')
0 files changed, 0 insertions, 0 deletions