Crate visual_cortex_capture 

Screen capture abstraction: frames, regions, rates, and the FrameSource trait.

Structs

FakeSource

A scripted FrameSource for tests and demos: yields its frames in order, then repeats the final frame forever.

Frame

A single captured frame in BGRA8 layout, row-major, stride = width * 4.

FrameView

A borrowed rectangular view into a frame. Zero-copy; rows are slices of the frame.

PxRect

A resolved, pixel-space rectangle, guaranteed in-bounds by Region::resolve.

Rate

How often a watcher evaluates, or a source captures. Stored as a period.

Enums

CaptureError

Region

A watch region. Fractional (Percent) regions survive resolution changes; validation happens at resolve time against actual frame dimensions.

Target

What to capture: a display by index, or a window matched by exact title.

Traits

FrameSource

A source of frames. The session’s capture loop calls capture_frame at the session’s capture rate; implementations should return the freshest frame available. Real backends (scap) arrive in a later milestone.