Module display 

Putting images on the wall: patterns, stills, and video. Every content command sends through driver::Wall, so the frame recipe lives once.

Functions

brightness

Set the panel’s brightness.

image_frame

img as a canvas-sized frame: Stretch ignores the aspect ratio, Contain letterboxes in black, Cover crops. Lanczos3 throughout.

load_canvas

Load a wall layout, or build a single-panel one from the size flags.

play

Play a video source onto the wall in layout, or a single panel.

play_on

Play a video source onto canvas. Reports N frames, F fps every 60 frames as a transient line and once at the end; stops when cancelled.

probe

Send chosen pieces of a refresh with explicit pacing, so a current meter can attribute a change to one component instead of to a whole burst. The pixel content is a solid colour. Diagnosis only.

show_frame

Show one still: three refreshes, or refresh until cancelled when hold.

show_image

Display an image file, scaled to the panel.

show_pattern

Draw a built-in pattern on the wall in layout, or a single panel.

show_pattern_on

Draw a built-in pattern on canvas.

show_solid

Fill the panel with one colour.

show_solid_on

Fill canvas with one colour.

wall_settings

Driver settings from the CLI flags. RXP_LATCHES, RXP_LATCH_GAP_US and RXP_ROW_GAP_US override the measured timing for experiments.