View Source PDF417 (pdf417 v0.2.0)

The public interface for PDF417. Use #encode/1 or /2 for great goodness.

Link to this section Summary

Renders the given message in png image format. Returns iodata that can be written to a file or converted to something else.

Same as encode/2, but returns a base64 encoded string.

Same as encode/2, but takes a file path option, and writes the PNG data to a file you specify

Renders the given message in png image format. Returns iodata that can be written to a file or converted to something else.

:columns - Defaults to 4. The number of columns in your symbol output.
:security_level - Defaults to 3, which is sufficient for up to 160 data codewords (about 320 characters of text). Every 320 characters, add one level here, up to level 8.

Same as encode/2, but returns a base64 encoded string.

Same as encode/2, but takes a file path option, and writes the PNG data to a file you specify