pngviewer

This apps lets you display a PNG image on your NumWorks calculator.

Install the app

Installing is rather easy:

Download the latest pngviewer.nwa file from the Releases page
Head to my.numworks.com/apps to send the nwa file on your calculator. On this page you will be able to add the PNG file you want to display.

How to use the app

Well, it's pretty dull: just launch the app and look at your image!

FAQ

This app uses the simplified libpng API. As such, it will decode the entire PNG image in memory. Unfortunately, as a result, images that are too large just won't work.

Dependencies

This programs uses two libraries:

Library	Version
zlib	1.2.12
libpng	1.6.38

Build the app

To build this sample app, you will need to install the embedded ARM toolchain and nwlink.

brew install numworks/tap/arm-none-eabi-gcc node # Or equivalent on your OS
npm install -g nwlink
make clean && make build

About

A PNG image viewer for the NumWorks calculator

https://www.nwagyu.com/apps/pngviewer/

numworks png

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