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Author SHA1 Message Date
Stefan Weil
fe966cc0b1 Add build script for oss-fuzz fuzzers 
This is a copy of projects/tesseract-ocr/build.sh including its history from
https://github.com/google/oss-fuzz.git.

It allows maintaining the build rules with the Tesseract source code.

The build rules for Leptonica were slightly modified to avoid
unneeded compilations.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-05-08 17:37:37 +02:00
Stefan Weil
016016df77 Build only required Leptonica components 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-05-08 17:37:37 +02:00
Guido Vranken
6e9a1e97db Fix build (#3177) 
* [tesseract-ocr] Fix build

* [tesseract-ocr] Disable AFL, lower resolution
 2020-05-08 17:37:37 +02:00
jonathanmetzman
db5655333e Migrate projects using -lFuzzingEngine to $LIB_FUZZING_ENGINE (#2325) 
Migrate from -lFuzzingEngine to $LIB_FUZZING_ENGINE where possible and not causing breakage
 2020-05-08 17:37:37 +02:00
Guido Vranken
56b94fb783 Add fuzzer that processes 512x512 images (#2279) 2020-05-08 17:37:37 +02:00
Guido Vranken
b2d1a11016 Use Leptonica master branch (#2224) 2020-05-08 17:37:37 +02:00
Guido Vranken
1a7f633ab0 Add Tesseract (#2210) 
* Add Tesseract

* Use -lz instead of static library path

* Disable Tesseract shared build

* Minimal repository cloning (--depth 1)

* Improve tessdata directory resolution syntax

* Don't hardcode TESSDATA_PREFIX into binary

* Don't move, but copy $SRC/tessdata to $OUT

Move sometimes results in "inter-device move failed"
 2020-05-08 17:37:37 +02:00
Robin Watts
80d4af6ecf Add a mechanism to avoid creating debug fonts. 
If TESSERACT_DISABLE_DEBUG_FONTS is defined, tesseract doesn't
atetmpt to create any debug fonts. This not only saves memory,
but it (combined with the change to optionally use Pix as
internal storage for the ImageData) allows us to use an
embedded Leptonica library with no format handlers at all.
 2020-05-05 00:22:23 +01:00
Robin Watts
6bcb941bcf Avoid tesseract writing Pix out/reading them back. 
By default, when we ImageData::SetPix, we write the data out as a
PNG, just to read it back in to get a compressed buffer of data.
We then use this to generate a new Pix.

In builds of Tesseract on systems where we don't have temp files,
writing files out is problematic.

Not only that, but compressing/uncompressing is slow, and on minimal
builds of leptonica, where we've disabled the format writers to reduce
memory footprint, we get no compression anyway.

In such cases, it'd be far nicer just to keep the original Pix as
the internal data.

Also, when recovering the pixmap from the ImageData, if we know we're
only going to read from the data, we can avoid duplicating it and
just use the original. This is exactly the case when GRAPHICS_DISABLED
is set.

So, introduce a TESSERACT_IMAGEDATA_AS_PIX predefine that we can use
to cause the internal data to be a Pix rather than a compressed
buffer.



Given we don't do compression, and they were writing to memory,
this was all just more effort than we needed.

Also, if we're using GRAPHICS_DISABLED, we might as well just
pixCopy rather than pixClone as only the scaler uses this.
 2020-05-04 21:01:22 +01:00
zdenop
79c3ebbbb9
Merge pull request #2962 from stweil/GetPageRes 
Add TessBaseAPI::GetPageRes again
 2020-05-04 15:15:29 +02:00
Stefan Weil
9173e6e3f7 Add TessBaseAPI::GetPageRes again 
It is now added unconditionally, so it is always available for the unittest.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-05-04 14:03:39 +02:00
Amit D
acc4c8bff5
Merge pull request #2952 from jannick0/patch-1 
[trie.h] pattern definition: fix documentation
 2020-04-27 23:44:48 +03:00
zdenop
23be532f7d
Merge pull request #2957 from stweil/master 2020-04-27 19:56:32 +02:00
Stefan Weil
1188e0a516 Remove old code which was used for Ocropus 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-04-27 16:33:34 +02:00
jannick0
e044163085
[trie.h] pattern definition: fix documentation 
The fix makes the definition of `\n` consistent with the examples given below the definition.  Please note that I did not check this against how it is implemented in the code.
 2020-04-19 13:47:42 +02:00
Egor Pugin
cdebe13d81 [ci] Add fail-fast: false strategy. 2020-03-30 01:53:41 +03:00
Stefan Weil
4a00b68c63 Fix lambda function for curl code errors 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-03-18 20:46:52 +01:00
Stefan Weil
9f5a3f6ac7 Fix uninitialized local variable in curl code 
Compiler warning:

    src/api/baseapi.cpp:1151:27: warning:
      variable 'curlcode' is uninitialized when used here [-Wuninitialized]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-03-18 19:25:33 +01:00
zdenop
6e307074d8
Merge pull request #2894 from stweil/curl 
Report errors from curl_easy functions
 2020-03-18 14:14:07 +01:00
Egor Pugin
916875d74a [sw] Fix mingw build. 2020-03-17 17:57:10 +03:00
Egor Pugin
04a7650b51
Update README.md 2020-03-14 03:23:14 +03:00
Egor Pugin
e1cf69fd9e [ci] Update. 2020-03-13 23:45:38 +03:00
Egor Pugin
a6c8d4c692 [ci] Merge three configs into one. 2020-03-13 19:37:22 +03:00
Stefan Weil
ef4f99a994 Run xgetbv instruction only on machines which support it 
This fixes a regression for older Intel processors.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-03-08 17:32:10 +01:00
Stefan Weil
a7c9c566ee Update submodule googletest to tagged release release-1.10.0 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-03-08 17:29:46 +01:00
Stefan Weil
a350108592 Update submodule abseil to tagged release 20200225 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-03-08 17:29:09 +01:00
Stefan Weil
eff4dc0603 Use lambda expressions for reporting curl errors 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-23 22:44:42 +01:00
Stefan Weil
9972c91127 Report errors from curl_easy functions 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-23 22:26:51 +01:00
Egor Pugin
90405ad0e3
Merge pull request #2893 from stweil/piccolo 
Update piccolo2d-core and piccolo2d-extras
 2020-02-23 19:20:44 +03:00
Egor Pugin
bbd2c31b91
Merge pull request #2895 from stweil/avx 
simd: Check whether the OS supports FMA, AVX, ...
 2020-02-23 19:20:18 +03:00
Stefan Weil
57ff90687d simd: Check whether the OS supports FMA, AVX, ... 
The previous check was only for the MS compiler, but not for gcc and clang.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-23 16:34:35 +01:00
Stefan Weil
62010da593 Update piccolo2d-core and piccolo2d-extras 
Make also curl less noisy.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-23 16:28:08 +01:00
Egor Pugin
695f862bd7
Update linux.yml 2020-02-21 10:37:05 +03:00
Egor Pugin
d6265166c6 Fix sw build after upload. 2020-02-20 13:44:07 +03:00
Egor Pugin
cfb2a2c3a4 Add sw options for openmp. 2020-02-19 16:08:51 +03:00
Stefan Brechtken
b2ed8038d1 TableFind: clearing the statically allocated memory on api end 2020-02-19 13:18:28 +01:00
Stefan Brechtken
b3649b9fb2 TableFind: Api access, reskew and y inversion of the resulting TBOXes 2020-02-19 12:36:22 +01:00
Stefan Brechtken
877ef39c40 TableRecognizer: Adding functions in order to calculate row and columns bounding boxes 2020-02-19 12:23:26 +01:00
Stefan Brechtken
2954367c62 Temporary: adding Singleton pattern in order to bypass tesseract iterators and lists 2020-02-19 12:12:57 +01:00
Stefan Brechtken
46f16b8430 Adding workflow order to table detector java debug output + adding final column and row calculation 2020-02-19 12:08:16 +01:00
zdenop
95befed6b1
Merge pull request #2880 from HelgeSverre/patch-1 
Update README.md
 2020-02-07 10:43:36 +01:00
Helge Sverre
0705abf827
Update README.md 
Typo in the work "documentation" in the link to the "Running Tesseract" section
 2020-02-07 10:37:10 +01:00
zdenop
ddb663c099
Merge pull request #2878 from zuphilip/patch-1 
Update link about pre-build binary packages
 2020-02-05 08:07:40 +01:00
Philipp Zumstein
ca2624cdcb
Update link about pre-build binary packages 2020-02-05 07:44:18 +01:00
zdenop
7c3ac569f9
Replace references to the old wiki by new URLs (#2877) 
Replace references to the old wiki by new URLs
 2020-02-03 14:59:18 +01:00
Stefan Weil
16553014e0 Replace references to the old wiki by new URLs 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-03 11:37:41 +01:00
Stefan Weil
20bcbc4058 Catch std::runtime_error exception when setting the locale in debug code 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-02-03 07:58:43 +01:00
Stefan Weil
a1a177f582 Doxyfile: Add missing source directories (include, unittest) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-01-30 14:35:24 +01:00
Stefan Weil
cc05d19495 Doxyfile: Update to version 1.8.16 
The update was done using `doxygen -u`.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2020-01-30 14:20:05 +01:00
Egor Pugin
e9db7aae88
Update sw.cpp 2020-01-26 03:48:39 +03:00