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4
oss-internship-2020/openjpeg/CMakeLists.txt
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@ -20,10 +20,10 @@ set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
# To override lib option -- else SAPI won't work
SET(BUILD_SHARED_LIBS OFF CACHE BOOL "Build OpenJPEG shared library and link executables against it." )
set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build OpenJPEG shared library and link executables against it." FORCE)
add_subdirectory(openjpeg)
set(SAPI_ROOT "" CACHE PATH "Path to the Sandboxed API source tree")
set(SAPI_ROOT "../.." CACHE PATH "Path to the Sandboxed API source tree")
set(SAPI_ENABLE_EXAMPLES OFF CACHE BOOL "")
set(SAPI_ENABLE_TESTS OFF CACHE BOOL "")
set(EXECUTABLE_OUTPUT_PATH "" CACHE PATH "" FORCE)

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oss-internship-2020/openjpeg/README.md
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@ -2,7 +2,28 @@
This library provides sandboxed version of the [OpenJPEG](https://github.com/uclouvain/openjpeg) library.
## Examples
The examples are sandboxed and simplified version of the main tools provided by the OpenJPEG library, namely (for now) `opj_decompress` from [here](https://github.com/uclouvain/openjpeg/blob/master/src/bin/jp2/opj_decompress.c).
In `decompress_example.cc` the library's sandboxed API is used to convert the _.jp2_ to _.pnm_ image format.
## Build
To build this example, after cloning the whole Sandbox API project, you also need to run
```
git submodule update --init --recursive
```
anywhere in the project tree in order to clone the `openjpeg` submodule.
Then in the `sandboxed-api/oss-internship-2020/openjpeg` run
```
mkdir build && cd build
cmake -G Ninja
ninja
```
To run `decompress_sandboxed`:
```
cd examples
./decompress_sandboxed absolute/path/to/the/file.jp2 absolute/path/to/the/file.pnm
```