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# astc-codec
astc-codec is a software ASTC decoder implementation, which supports the ASTC
LDR profile.
Example usage:
```
#include <astc-codec/astc-codec.h>
// ...
std::vector<uint8_t> astc = LoadMyASTCData();
const size_t width = 640;
const size_t height = 480;
std::vector<uint8_t> result;
result.resize(width * height * 4);
bool success = astc_codec::ASTCDecompressToRGBA(
astc.data(), astc.size(), width, height, astc_codec::FootprintType::k4x4,
result.data(), result.size(), /* stride */ width * 4);
```
## Building
### With bazel
Install [Bazel](https://bazel.build/), and then run:
```
bazel build :astc_codec -c opt
```
astc-codec has been tested on Mac and Linux.
### Run Tests
```
bazel test //...
```
### With CMake
Install [CMake](https://cmake.org/), and the run:
```
mkdir build && cd build && cmake .. && make
```
Or open the project in your favorite IDE and import CMakeLists.txt.
### Run Tests
In the build directory, execute:
```
ctest
```
## Contributing
See [CONTRIBUTING.md](CONTRIBUTING.md) for important contributing requirements.
## License
astc-codec project is licensed under the Apache License Version 2.0. You can
find a copy of it in [LICENSE](LICENSE).
This is not an officially supported Google product.
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