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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
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This reverts commit 3ba098595ae56b64eacc0c25ab76b89a4d78d920.
TBR=thestig@chromium.org,weili@chromium.org
Review URL: https://codereview.chromium.org/2424533003 .
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Doing so highlights a few places where ownership is dubious.
Add convenience functions to return an unowned reference to
a newly-created indirect object.
Review-Url: https://codereview.chromium.org/2419173002
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Review-Url: https://codereview.chromium.org/2409283002
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Ditto with the other ToXXX functions to CPDF_xxx.h.
Shortly, we will want to introduce another variant:
inline std::unique_ptr<CPDF_String> ToString(
std::unique_ptr<CPDF_Object>);
This will require that CPDF_String be complete which is
not the case in the CPDF_Object.h header. Rather than
dragging all the other .h's into it, move these to the
subclass headers. That way, these will be together
when the new form is added.
Review-Url: https://codereview.chromium.org/2406033002
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- Remove some unused stuff from pageint.h.
- Replace some FX_BOOL with bool in pageint.h, and related.
- Replace some "protected" with "private" in pageint.h.
- Move 2 methods into namespace in fpdf_page_parser_old.cpp.
Review-Url: https://codereview.chromium.org/2399573002
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BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2393593002
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BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2392603004
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