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Integer overflow in CJBig2_Image::expand.
It causes the size of reallocated is not
expected.
BUG=483981
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1131023008
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Also fix a few nits and other errors along the way.
Review URL: https://codereview.chromium.org/1098583002
Review URL: https://codereview.chromium.org/1135713004
(cherry picked from commit f0a169e6fd5718995fa6ef8749c8d16cdad84985)
(cherry picked from commit 470408c2ffe71e99cebad0d1d6887f1723f02cef)
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1133453006
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BUG=476107
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1080893002
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Original URL: https://codereview.chromium.org/837093002
(cherry picked from commit f8105c665856863ad95da37fee6c12b98b953e2c)
Review URL: https://codereview.chromium.org/967033002
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Original at URL: https://codereview.chromium.org/810883005
Note that the new code in XFA introduces many more of these, to be handled
separately.
TBR=brucedawson@chromium.org
TBR=thestig@chromium.org
BUG=https://code.google.com/p/pdfium/issues/detail?id=102
Review URL: https://codereview.chromium.org/842223004
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Remove static declared SymbolDictCache.
This is a follow up CL on https://codereview.chromium.org/761313004/
BUG=https://code.google.com/p/pdfium/issues/detail?id=93
R=brucedawson@chromium.org, tsepez@chromium.org
Review URL: https://codereview.chromium.org/828183002
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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
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Avoid duplicate definitions of JSCONST_n*Hash and QeTable variables.
QeTable is a 752 byte array that was defined in a header file. This
caused it to be instantiated by the VC++ compiler 12 times, wasting
8,272 bytes of space in the data segment. Because 'const' implies
'static' this did not cause any duplicate symbol errors.
JSCONST_n*HASH are a set of eight variables that are defined in a header
file. This causes them to be replicated 15 times. The variables
themselves are tiny but they are dynamically initialized and this
dynamic initialization code is replicated 15 times.
When tested on pdfium_test.exe the effect of this change is to:
Reduce the .text (code) segment by 3,616 bytes.
Reduce the .rdata section by 8,656 bytes.
Reduce the total binary file size by 13312 bytes.
These are the worst offenders for pdf.dll as shown in:
https://drive.google.com/open?id=1BvubxoA2SU_2e4T5cq7jHTjc1TlT0qOndpIfX3DMeA8&authuser=0
This will also drastically simplify the list of work to be done
for bug 441899 (getting rid of initializers).
BUG=441988
R=bo_xu@foxitsoftware.com
Review URL: https://codereview.chromium.org/802013002
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BUG=387811
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/437483004
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BUG=381031
Original patch by Chris Palmer <palmer@chromium.org>
Review URL: https://codereview.chromium.org/322453002
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