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FastRobot Reference

1. CPU Feature Model

  • AVX2 — detected via CPUID. Enables 32-byte vector ops.
  • SSE4.2 — detected via CPUID. 16-byte fallback.
  • Fallback rule: AVX2 → SSE4.2 → scalar.

2. API Specification

Mouse & Keyboard Input

  • void mouseMove(int x, int y): Moves mouse cursor to coordinates using native SendInput (bypasses AWT EDT overhead).
  • void mousePress(int buttons) / void mouseRelease(int buttons): Injects mouse button press/release events.
  • void mouseWheel(int wheelAmt): Injects mouse scroll events.
  • void keyPress(int keycode) / void keyRelease(int keycode): Injects keyboard scancodes.

Screen Capture

  • BufferedImage createScreenCapture(Rectangle screenRect): Captures screen region as standard BufferedImage.
  • BufferedImage createScreenCapture(int x, int y, int w, int h): Captures screen region with primitive coordinates.
  • int getPixelColor(int x, int y): Blazing fast single pixel RGB query via native GetPixel.

FastImage Ecosystem Bridge

  • FastImage captureImage(Rectangle rect): Direct native screen capture returning an off-heap FastImage.
  • FastImage captureImage(int x, int y, int w, int h): Direct coordinate-based capture to FastImage.
  • FastImage getFrameImage(): Zero-copy wrapping of cached internal capture frame into FastImage.

3. Guarantees & Contracts

  • Low Latency: Direct Win32 SendInput execution (< 0.1 ms latency).
  • Zero GC Pressure: Screen capture buffer reuse avoids JVM heap churn.
  • Thread-Safety: Native operations are fully thread-safe.

4. Platform Support

Platform Status
Windows 10/11 (x64) ✅ Fully Supported

Part of the FastJava Ecosystem — Making the JVM faster.

Made with ⚡ by Andre Stubbe