refactor: C Rewrite

README.md

@@ -1,44 +1,37 @@
 # gsplash
 
-A fullscreen splash-screen wrapper for launching a game or app. It displays an image (or a fallback text label), starts your executable, and closes when the process exits or loses focus after launch.
+A fullscreen splash-screen wrapper for launching a game or app. It displays an image (or a fallback black screen), starts your executable, and closes when the process exits or loses focus after launch.
 
 ## Features
 
-1. Fullscreen, borderless splash screen with hidden cursor
-2. Displays a supplied image via Pillow (fallback text if load fails)
+1. Fullscreen, borderless splash screen with hidden cursor (SDL2)
+2. Displays a supplied image via SDL2_image (fallback to black if load fails)
 3. Launches the target executable and exits when it finishes
-4. Closes on focus loss after the game starts or on **Esc**
+4. Hides on focus loss after the game starts or closes on **Esc**
 
-## Requirements
+## Build Requirements
 
-- Python 3.12+
-- Tkinter (usually bundled with Python; on some Linux distros you may need a `tk` system package)
-- Pillow
+- C compiler (GCC or Clang)
+- make
+- pkg-config
+- SDL2
+- SDL2_image
 
 ## Install
 
-Using `uv` (recommended):
-
 ```bash
-uv sync
-```
-
-Using `pip`:
-
-```bash
-python -m venv .venv
-source .venv/bin/activate
-pip install .
+make
+sudo make install
 ```
 
 ## Usage
 
-```bash
-python main.py <path_to_image> <game_executable> [game_arguments...]
-```
-
-Example:
+Build output installs to `/usr/local/bin` by default. Override with `PREFIX`.
 
 ```bash
-python main.py assets/splash.jpg /path/to/game --fullscreen --profile=default
+game-splash <image_path> <game_executable> [game_arguments...]
+```
+
+```bash
+game-splash assets/splash.jpg /path/to/game --fullscreen --profile=default
 ```