Onchain SVG Generative art

Set of Solidity libraries to create on-chain graphics.

Getting started

Install Foundry.

Run tests: forge test

Installation

npm i @paulgg-code/generate-onchain-nft

API

OnchainSVG9x9

renderPixelCloud(string memory seed)

Deterministically generates an SVG image with pixel as a rectangle of 9x9 pixels colored by random colors.

renderPixelCloudNoWrap(string memory seed)

Deterministically generates SVG rectangle notation (without <svg> enclosement) for pixel cloud of 9x9 pixels colored by random colors.

renderText(string memory seed)

Render white colored text for 9x9 SVG canvas.

renderImage(string memory innerContent)

Wrap inner SVG notations with <svg> wrapper tag.

EncodeUtils

base64(bytes memory data)

Base64 encoding, keep in mind that \ required double escaping like \\r\\n.

attributeForTypeAndValue(string memory traitType, string memory value, bool isNumber)

JSON encode attribute and value into {"trait_type":"[traitType]","value":"[value]"} dictionary record.

attributeNameAndValue(string memory name, string memory value, bool isNumber, bool isLast)

JSON encode metadata chunk as "name":"value", for further JSON rendering.