Skip to main content

​
Screen capture

capture module wraps ext_image_copy_capture_v1:
  • Capturer: session lifecycle
  • OutputList / OutputInfo: monitor enumeration
  • Toplevel capture for window shots
Used by screenshot, recording, and wallpaper tools.

​
Capture overlay

capture_overlay draws a dimmed frozen backdrop for interactive capture UIs. Pairs with live capture frames from capture.

​
Selection overlay

Drag-to-select for otter-screenshot, otter-shot, and otter-rec. Pixels go straight to SHM with incremental damage. This path skips Surface Description.
PresetAppVisual
selection_overlay.preset.screenshototter-screenshotFull-brightness freeze, border-only chrome
selection_overlay.preset.shototter-shotDimmed outside selection
selection_overlay.preset.recotter-recSame as shot
Live mode skips the freeze and draws a shaded overlay. The selector can hide the cursor when the capture omits it.

​
Dim overlay

DimOverlay is a fullscreen layer surface for modal dimming (logout menu, lock transitions).