README.md

Scale Nine Slicer

A tool for automating work with 9 slice scaling in Unity.

Automatic 9 slice borders detection.

Trimming sliced sprite center to 1px.

Trimming extra transparency.

Installation

There are 3 ways to install this plugin:

• clone/download this repository and move the Plugins folder to your Unity project's Assets folder
• (via Package Manager) add the following line to Packages/manifest.json:
  • "com.utkaka.scale-nine-slicer": "https://github.com/utkaka/ScaleNineSlicer.git",
• (via OpenUPM) after installing openupm-cli, run the following command:
  • openupm add com.utkaka.scale-nine-slicer

Usage:

Context menu in Project view

You can select textures and/or folders with sprites and perform an action on all contained sprites.

Editor window (Unity 2021.2+)

If you want a more controlled result there is an editor window (Window/2D/Sprite Nine Slicer).

Features:

• Works with multiple selection.
• Manual borders setting. You can zoom with ctrl/cmd key pressed and set borders via input fields or draggable lines on the image.
• You can enable or disable trimmings.
• You can preview the result, extend it to see how it works. Also you can export extended sprite to png.

API

Just create an instance of SpriteInfo and use it's public API. You can use it both in Unity Editor and at runtime.