QR renders the QR code with accopmanying text.

SetConnected changes the connected status on UI.

ShowNext handles request to show next animated QR.

StartNext starts next round of testing. It returns next untested parameters for QR code.

UpdateConfig sets the new config for the session.

WriteAsCSV writes results into io.Writer in CSV format.

csv returns two-dimensional slice of prepared strings, to be used with encoding/csv package.

numEnabled returns number of enabled levels.

Note that these CDFs (cumulative distribution function) will be used for selecting source blocks for code block generation. A typical algorithm is to

Length returns length of the decoded data. TODO: remove

NewApp creates and inits new app page.

NewResult constructs a new result.

NewResultsTable creates and inits new results table widget.

NewSettings creates and inits new settings widget.

chunksCountToDelete returns random number of chunks for deletion, using normal distribution with 2 std deviation and N/3 as a mean.

eraseChunks randomly erases n chunks from the input slice.

formatDuration converts "12.232312313s" to "12.2s"

fpsToGifDelay converts fps value into animated GIF delay value, which is in 100th of second

renderGIF is a helper for converting animated gif raw bytes into vecty-compatible component displaying this image as aGIF.

renderPNG is a helper for converting image.Image into vecty-compatible component displaying this image as PNG.

talkToBackend establishes connection with backend and updates UI state based on output from backend.

AssetDir returns the file names below a certain directory embedded in the file by go-bindata. For example if you run go-bindata on data/... and data c

AssetInfo loads and returns the asset info for the given name. It returns an error if the asset could not be found or could not be loaded.

DataBytes returns decoded data as a byte slice.

Decode an image with QR code.

GetLocalIP returns the non loopback local IP of the host.

KeyListener implements listener for keydown events.

ReadyScreen renders the widget with call to be ready to scan animated QR codes and point smartphone app to it.

RestoreAsset restores an asset under the given directory

StartApp generates app page, serves it via http and tries to open it using default browser.

StartBrowser tries to open the URL in a browser and reports whether it succeeds. Orig. code: golang.org/x/tools/cmd/cover/html.go

Total returns total amount of data.

Validate checks if a given chunk of data is a valid txqr protocol packet.

TODO(divan): replace with crossplatform version

fpsToGifDelay converts fps value into animated GIF delay value, which is in 100th of second

handler handles index page.

ids create slice with IDs for 0..n values.

isCached takes the header of chunk data and see if it's been cached. If not, it caches it.

updateProgress updates progress and complete state of reading.