https://github.com/enzet/iconscript

Generating icons using text commands
https://github.com/enzet/iconscript

antlr go icons

Last synced: about 2 months ago
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Generating icons using text commands

• Host: GitHub
• URL: https://github.com/enzet/iconscript
• Owner: enzet
• Created: 2022-08-28T13:21:52.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-10-23T19:18:49.000Z (about 2 years ago)
• Last Synced: 2024-06-21T18:12:08.962Z (7 months ago)
• Topics: antlr, go, icons
• Language: Go
• Homepage:
• Size: 109 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md

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README

        
# iconscript

Paperscript parser for icon shape drawing.

This is a part of [Map Machine](https://github.com/enzet/map-machine) project.

## JavaScript part

Install:

```shell

npm install paper paperjs-offset

npm install -g live-server

```

Run:

```shell

live-server

```

## Go part

Requires: Go 1.19, ANTLR 4.10.1.

Install:

```shell

cd grammar

antlr -Dlanguage=Go -o parser IconScript.g4

cd ..

go build

```

You may also test installation with `go test`.

```shell

go run main.go -i 

```

## Syntax

### Global context

  - __width__ — stroke width.

  - __position__ — current position of the cursor.

### Commands

`` is 2D coordinates in the form `,` or `+,` (`+` means,

that the position is relative to the __position__).

| Command | Description |

|---|---|

| `a` | Set adding mode (default mode) |

| `r` | Set removing mode |

| `w ` | Set __width__ to a value |

| `p ` | Set __position__ to a value |

| `l []` | Draw lines between positions |

| `c  ` | Draw circle specified by center point and radius |

| `s  ` | Draw rectangle specified by top left and bottom right points |

| `ar    ` | Draw arc specified by center point, radius, and two angles in radians |

### Variables

Variable can be defined with ` = []` and accessed with

`@`.

### Example

```iconscript

cube = lf +0,0 +2,0 +0,2 +-2,0 +0,-2

{

    %glider

    p 6,2   @cube p +4,4 @cube

    p +-8,4 @cube p +4,0 @cube p +4,0 @cube

}

```