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libimg
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update README

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Lephenixnoir 2021-01-27 16:05:35 +01:00
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README.md
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@ -36,18 +36,13 @@ libimg can be installed with [GiteaPC](https://gitea.planet-casio.com/Lephenixno
## Compiling and installing libimg manually
Building libimg for the calculator requires a SuperH compiler. If you have `sh-elf-gcc`, then you're ready to go. libimg will be compiled for both fx-9860G (Graph 35+E-like) and fx-CG 50 (Graph 90+E), and it will install itself in the proper compiler-managed directory.
libimg should be built with the [fxSDK](/Lephenixnoir/fxsdk), which provides the tools and settings needed to compile for the calculator.
```
% make
% make install
% fxsdk build-fx install
% fxsdk build-cg install
```
If you have an older setup with `sh3eb-elf` and/or `sh4eb-elf`, edit the configuration file `libimg.conf` before building, as follows:
* Set either the `target-fx` or `target-cg` line to use the proper compiler.
* If you need to completely disable one of the platforms, comment out the line that sets `lib-fx` or `lib-cg`.
Additionally, this repository has a simple testing system for Linux in the `testing` folder.
* Use `make` from that folder to compile `main.c` into a `libimg` executable that reads RGB565 bitmap files into `img_t` images and performs a few transforms.