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Changed alot of things.

This commit is contained in:
koelo 2022-12-03 05:44:44 +00:00
parent a5a0523e5a
commit 3513d5390c
2016 changed files with 336930 additions and 9 deletions

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# `@napi-rs/canvas-linux-x64-gnu`
This is the **x86_64-unknown-linux-gnu** binary for `@napi-rs/canvas`

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// Node.js < v13.12.0, v12.17.0, ignore
// https://nodejs.org/api/process.html#processreport
if (!process.report || typeof process.report.getReport !== 'function') {
process.exit(0)
}
// Only GNU system has this field
const { glibcVersionRuntime } = process.report.getReport().header
if (glibcVersionRuntime) {
process.exit(0)
} else {
process.exit(1)
}

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{
"name": "@napi-rs/canvas-linux-x64-gnu",
"version": "0.1.30",
"os": [
"linux"
],
"cpu": [
"x64"
],
"libc": [
"glibc"
],
"main": "skia.linux-x64-gnu.node",
"files": [
"skia.linux-x64-gnu.node",
"install.js"
],
"scripts": {
"install": "node install.js"
},
"description": "Canvas for Node.js with skia backend",
"keywords": [
"napi-rs",
"NAPI",
"N-API",
"Rust",
"node-addon",
"node-addon-api",
"canvas",
"image",
"pdf",
"svg",
"skia"
],
"license": "MIT",
"engines": {
"node": ">= 10"
},
"publishConfig": {
"registry": "https://registry.npmjs.org/",
"access": "public"
},
"repository": "https://github.com/Brooooooklyn/canvas.git"
}

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MIT License
Copyright (c) 2020 lynweklm@gmail.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# `skr canvas`
![CI](https://github.com/Brooooooklyn/canvas/workflows/CI/badge.svg)
![Skia Version](https://img.shields.io/badge/Skia-chrome%2Fm106-hotpink)
[![install size](https://packagephobia.com/badge?p=@napi-rs/canvas)](https://packagephobia.com/result?p=@napi-rs/canvas)
[![Downloads](https://img.shields.io/npm/dm/@napi-rs/canvas.svg?sanitize=true)](https://npmcharts.com/compare/@napi-rs/canvas?minimal=true)
> 🚀 Help me to become a full-time open-source developer by [sponsoring me on Github](https://github.com/sponsors/Brooooooklyn)
Google Skia binding to Node.js via [Node-API](https://napi.rs), **0 System dependencies!**
⚠️ This project is in pre-release stage. And there may some bugs existed.<br/>
For details on planned features and future direction please refer to the [Roadmap](https://github.com/Brooooooklyn/canvas/issues/113).
[中文文档](./README-zh.md)
# Install
```bash
yarn add @napi-rs/canvas
npm install @napi-rs/canvas
```
# Support matrix
| | node10 | node12 | node14 | node16 |
| --------------------- | ------ | ------ | ------ | ------ |
| Windows x64 | ✓ | ✓ | ✓ | ✓ |
| macOS x64 | ✓ | ✓ | ✓ | ✓ |
| macOS arm64 (m chips) | ✓ | ✓ | ✓ | ✓ |
| Linux x64 gnu | ✓ | ✓ | ✓ | ✓ |
| Linux x64 musl | ✓ | ✓ | ✓ | ✓ |
| Linux arm64 gnu | ✓ | ✓ | ✓ | ✓ |
| Linux arm64 musl | ✓ | ✓ | ✓ | ✓ |
| Linux arm gnueabihf | ✓ | ✓ | ✓ | ✓ |
| Linux arm64 android | ✓ | ✓ | ✓ | ✓ |
## System requirement
### `arm64`
[**_cortex-a57_**](https://en.wikipedia.org/wiki/ARM_Cortex-A57) or newer CPU architecture on **Linux**.
All Apple M chips on **macOS**.
### `armv7`
[**_cortex-a7_**](https://en.wikipedia.org/wiki/ARM_Cortex-A7) or newer CPU architecture.
### glibc
Since Skia relies on the [glibc](https://www.gnu.org/software/libc/) 2.18 API, you need to have at least glibc version >= 2.18 on your system.
# Usage
```js
const { promises } = require('fs')
const { join } = require('path')
const { createCanvas } = require('@napi-rs/canvas')
const canvas = createCanvas(300, 320)
const ctx = canvas.getContext('2d')
ctx.lineWidth = 10
ctx.strokeStyle = '#03a9f4'
ctx.fillStyle = '#03a9f4'
// Wall
ctx.strokeRect(75, 140, 150, 110)
// Door
ctx.fillRect(130, 190, 40, 60)
// Roof
ctx.beginPath()
ctx.moveTo(50, 140)
ctx.lineTo(150, 60)
ctx.lineTo(250, 140)
ctx.closePath()
ctx.stroke()
async function main() {
const pngData = await canvas.encode('png') // JPEG, AVIF and WebP are also supported
// encoding in libuv thread pool, non-blocking
await promises.writeFile(join(__dirname, 'simple.png'), pngData)
}
main()
```
![](./example/simple.png)
## Emoji text
```js
const { writeFileSync } = require('fs')
const { join } = require('path')
const { createCanvas, GlobalFonts } = require('@napi-rs/canvas')
GlobalFonts.registerFromPath(join(__dirname, '..', 'fonts', 'AppleColorEmoji@2x.ttf'), 'Apple Emoji')
GlobalFonts.registerFromPath(join(__dirname, '..', '__test__', 'fonts', 'COLRv1.ttf'), 'COLRv1')
console.info(GlobalFonts.families)
const canvas = createCanvas(760, 360)
const ctx = canvas.getContext('2d')
ctx.font = '50px Apple Emoji'
ctx.strokeText('😀😃😄😁😆😅😂🤣☺️😊😊😇', 50, 150)
ctx.font = '100px COLRv1'
ctx.fillText('abc', 50, 300)
const b = canvas.toBuffer('image/png')
writeFileSync(join(__dirname, 'draw-emoji.png'), b)
```
![](./example/draw-emoji.png)
# Performance
See [benchmark](./benchmark) for benchmark code.
Hardware info:
```
OS: Windows 10 x86_64
Host: Micro-Star International Co., Ltd. MS-7C35
Kernel: 10.0.19043
Terminal: Windows Terminal
CPU: AMD Ryzen 9 5950X (32) @ 3.400GHz
Memory: 32688MiB
```
```
yarn bench
> @napi-rs/canvas@0.0.9 bench D:\workspace\skia-rs
> node -r @swc-node/register benchmark/bench.ts
Running "Draw house" suite...
Progress: 100%
skia-canvas:
26 ops/s, ±0.70% | slowest, 29.73% slower
node-canvas:
30 ops/s, ±6.95% | 18.92% slower
@napi-rs/canvas:
37 ops/s, ±6.30% | fastest
Finished 3 cases!
Fastest: @napi-rs/canvas
Slowest: skia-canvas
Running "Draw gradient" suite...
Progress: 100%
skia-canvas:
36 ops/s, ±6.12% | 14.29% slower
node-canvas:
34 ops/s, ±5.60% | slowest, 19.05% slower
@napi-rs/canvas:
42 ops/s, ±0.53% | fastest
Finished 3 cases!
Fastest: @napi-rs/canvas
Slowest: node-canvas
```
# Features
## Path2D
```typescript
new Path2D()
new Path2D(path: Path2D)
// new Path2D('M108.956,403.826c0,0,0.178,3.344-1.276,3.311 c-1.455-0.033-30.507-84.917-66.752-80.957C40.928,326.18,72.326,313.197,108.956,403.826z')
new Path2D(path: string)
```
```typescript
export interface DOMMatrix2DInit {
a: number
b: number
c: number
d: number
e: number
f: number
}
export class Path2D {
constructor(path?: Path2D | string)
addPath(path: Path2D, transform?: DOMMatrix2DInit): void
arc(x: number, y: number, radius: number, startAngle: number, endAngle: number, anticlockwise?: boolean): void
arcTo(x1: number, y1: number, x2: number, y2: number, radius: number): void
bezierCurveTo(cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number): void
closePath(): void
ellipse(
x: number,
y: number,
radiusX: number,
radiusY: number,
rotation: number,
startAngle: number,
endAngle: number,
anticlockwise?: boolean,
): void
lineTo(x: number, y: number): void
moveTo(x: number, y: number): void
quadraticCurveTo(cpx: number, cpy: number, x: number, y: number): void
rect(x: number, y: number, w: number, h: number): void
// PathKit methods
op(path: Path2D, operation: PathOp): Path2D
toSVGString(): string
getFillType(): FillType
getFillTypeString(): string
setFillType(type: FillType): void
simplify(): Path2D
asWinding(): Path2D
stroke(stroke?: StrokeOptions): Path2D
transform(transform: DOMMatrix2DInit): Path2D
getBounds(): [left: number, top: number, right: number, bottom: number]
computeTightBounds(): [left: number, top: number, right: number, bottom: number]
trim(start: number, end: number, isComplement?: boolean): Path2D
equals(path: Path2D): boolean
}
```
## PathKit
`PathKit` is a toolset for manipulating Path in `Skia`, supporting **_quadratic beziers_**, **_cubic beziers_** and **_conics_**.
The main features are.
### Path Operation
`.op(path, PathOp)`
```js
const pathOne = new Path2D(
'M8 50H92C96.4183 50 100 53.5817 100 58V142C100 146.418 96.4183 150 92 150H8C3.58172 150 0 146.418 0 142V58C0 53.5817 3.58172 50 8 50Z',
)
const pathTwo = new Path2D(
'"M58 0H142C146.418 0 150 3.58172 150 8V92C150 96.4183 146.418 100 142 100H58C53.5817 100 50 96.4183 50 92V8C50 3.58172 53.5817 0 58 0Z',
)
pathOne.op(pathTwo, PathOp.Intersect).toSVGString()
// => "M100 100L58 100C53.5817 100 50 96.4183 50 92L50 50L92 50C96.4183 50 100 53.5817 100 58L100 100Z"
```
- **Union**, subtract the op path from the first path
- **Difference**, intersect the two paths
- **ReverseDifference**, union (inclusive-or) the two paths
- **Intersect**, exclusive-or the two paths
- **XOR**, subtract the first path from the op path
![boolean-operations](./docs/imgs/boolean-operations.svg)
### Covert `FillType` in **_Path_**
`.asWinding()`
You can convert `fill-rule="evenodd"` to `fill-rule="nonzero"` in SVG.
This is useful for **OpenType** font-related tools, as `fill-rule="nonzero"` is only supported in **OpenType** fonts.
![SVG fill-rule](./docs/imgs/asWinding@2x.png)
```js
const pathCircle = new Path2D(
'M24.2979 13.6364H129.394V40.9091H24.2979L14.6278 27.2727L24.2979 13.6364ZM21.9592 0C19.0246 0 16.2716 1.42436 14.571 3.82251L1.67756 22.0043C-0.559186 25.1585 -0.559186 29.387 1.67756 32.5411L14.571 50.7227C16.2716 53.1209 19.0246 54.5455 21.9592 54.5455H70.4673V68.1818H16.073C11.0661 68.1818 7.00728 72.2518 7.00728 77.2727V113.636C7.00728 118.657 11.0661 122.727 16.073 122.727H70.4673V150H84.0658V122.727H128.041C130.975 122.727 133.729 121.303 135.429 118.905L148.323 100.723C150.559 97.5686 150.559 93.3405 148.323 90.1864L135.429 72.0045C133.729 69.6064 130.975 68.1818 128.041 68.1818H84.0658V54.5455H133.927C138.934 54.5455 142.993 50.4755 142.993 45.4545V9.09091C142.993 4.07014 138.934 0 133.927 0H21.9592ZM125.702 109.091H20.6058V81.8182H125.702L135.372 95.4545L125.702 109.091Z',
)
pathCircle.setFillType(FillType.EvenOdd)
pathCircle.asWinding().toSVGString()
// => "M24.2979 13.6364L129.394 13.6364L129.394 40.9091L24.2979 40.9091L14.6278 27.2727L24.2979 13.6364ZM21.9592 0C19.0246 0 16.2716 1.42436 14.571 3.82251L1.67756 22.0043C-0.559186 25.1585 -0.559186 29.387 1.67756 32.5411L14.571 50.7227C16.2716 53.1209 19.0246 54.5455 21.9592 54.5455L70.4673 54.5455L70.4673 68.1818L16.073 68.1818C11.0661 68.1818 7.00728 72.2518 7.00728 77.2727L7.00728 113.636C7.00728 118.657 11.0661 122.727 16.073 122.727L70.4673 122.727L70.4673 150L84.0658 150L84.0658 122.727L128.041 122.727C130.975 122.727 133.729 121.303 135.429 118.905L148.323 100.723C150.559 97.5686 150.559 93.3405 148.323 90.1864L135.429 72.0045C133.729 69.6064 130.975 68.1818 128.041 68.1818L84.0658 68.1818L84.0658 54.5455L133.927 54.5455C138.934 54.5455 142.993 50.4755 142.993 45.4545L142.993 9.09091C142.993 4.07014 138.934 0 133.927 0L21.9592 0ZM125.702 109.091L20.6058 109.091L20.6058 81.8182L125.702 81.8182L135.372 95.4545L125.702 109.091Z"
```
### Simplify **_Path_**
`.simplify()`
Set the path to the same non-overlapping contour as the original path area, which means that it can also remove overlapping paths.
<img width="800" src="./docs/imgs/simplify.png" >
[SVG with overlapping paths](./docs/imgs/overlapping-path.svg) (Left)
```js
const path =
'M2.933,89.89 L89.005,3.818 Q90.412,2.411 92.249,1.65 Q94.087,0.889 96.076,0.889 Q98.065,0.889 99.903,1.65 Q101.741,2.411 103.147,3.818 L189.22,89.89 Q190.626,91.296 191.387,93.134 Q192.148,94.972 192.148,96.961 Q192.148,98.95 191.387,100.788 Q190.626,102.625 189.219,104.032 Q187.813,105.439 185.975,106.2 Q184.138,106.961 182.148,106.961 Q180.159,106.961 178.322,106.2 Q176.484,105.439 175.077,104.032 L89.005,17.96 L96.076,10.889 L103.147,17.96 L17.075,104.032 Q15.668,105.439 13.831,106.2 Q11.993,106.961 10.004,106.961 Q8.015,106.961 6.177,106.2 Q4.339,105.439 2.933,104.032 Q1.526,102.625 0.765,100.788 Q0.004,98.95 0.004,96.961 Q0.004,94.972 0.765,93.134 Q1.526,91.296 2.933,89.89 Z'
path.simplify().toSVGString()
// => "M89.005 3.818L2.933 89.89Q1.526 91.296 0.765 93.134Q0.004 94.972 0.004 96.961Q0.004 98.95 0.765 100.788Q1.526 102.625 2.933 104.032Q4.339 105.439 6.177 106.2Q8.015 106.961 10.004 106.961Q11.993 106.961 13.831 106.2Q15.668 105.439 17.075 104.032L96.076 25.031L175.077 104.032Q176.484 105.439 178.322 106.2Q180.159 106.961 182.148 106.961Q184.138 106.961 185.975 106.2Q187.813 105.439 189.219 104.032Q190.626 102.625 191.387 100.788Q192.148 98.95 192.148 96.961Q192.148 94.972 191.387 93.134Q190.626 91.296 189.22 89.89L103.147 3.818Q101.741 2.411 99.903 1.65Q98.065 0.889 96.076 0.889Q94.087 0.889 92.249 1.65Q90.412 2.411 89.005 3.818Z"
```
# [Example](./example/tiger.js)
> The tiger.json was serialized from [gojs/samples/tiger](https://github.com/NorthwoodsSoftware/GoJS/blob/master/samples/tiger.html)
<img width="500" src="example/tiger.png">
```shell
node example/anime-girl.js
```
| SVG | PNG |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <img width="500" src="example/anime-girl.svg"><br/>[CC-BY-SA 3.0](https://creativecommons.org/licenses/by/3.0) by [Niabot](https://commons.wikimedia.org/wiki/User:Niabot) | <img width="500" src="example/anime-girl.png"><br/>[CC-BY-SA 3.0](https://creativecommons.org/licenses/by/3.0) by [Niabot](https://commons.wikimedia.org/wiki/User:Niabot) |
# Building
## Build skia from source
You can build this project from source, the system requirements are here: https://skia.org/docs/user/build
```sh
# Clone the code:
$ git clone --recurse-submodules https://github.com/Brooooooklyn/canvas.git
$ cd canvas
# Build Skia:
$ node scripts/build-skia.js
# Install NPM packages, build the Node.js addon:
$ npm install -g yarn
$ yarn install --mode=skip-build # Here are modules that are used for benchmarking and are hard to install, you can skip it by specifying `--mode=skip-build`
$ sudo dnf install clang # https://fedora.pkgs.org/34/fedora-x86_64/clang-12.0.0-0.3.rc1.fc34.x86_64.rpm.html
$ yarn build
# All done! Run test cases or examples now:
$ yarn test
$ node example/tiger.js
```
## Pull pre-build skia binary from GitHub
You can pull skia pre-build binaries if you just care the `Rust` part:
```sh
# Clone the code:
$ git clone --recurse-submodules https://github.com/Brooooooklyn/canvas.git
$ cd canvas
# Download Skia binaries:
# It will pull the binaries match the git hash in `./skia` submodule
$ node scripts/release-skia-binary.js --download
# Install NPM packages, build the Node.js addon:
$ npm install -g yarn
$ yarn install --mode=skip-build
$ sudo dnf install clang # https://fedora.pkgs.org/34/fedora-x86_64/clang-12.0.0-0.3.rc1.fc34.x86_64.rpm.html
$ yarn build
# All done! Run test cases or examples now:
$ yarn test
$ node example/tiger.js
```

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const { inspect } = require('util')
/*
* vendored in order to fix its dependence on the window global [cds 2020/08/04]
* otherwise unchanged from https://github.com/jarek-foksa/geometry-polyfill/tree/f36bbc8f4bc43539d980687904ce46c8e915543d
*/
// @info
// DOMPoint polyfill
// @src
// https://drafts.fxtf.org/geometry/#DOMPoint
// https://github.com/chromium/chromium/blob/master/third_party/blink/renderer/core/geometry/dom_point_read_only.cc
class DOMPoint {
constructor(x = 0, y = 0, z = 0, w = 1) {
this.x = x
this.y = y
this.z = z
this.w = w
}
static fromPoint(otherPoint) {
return new DOMPoint(
otherPoint.x,
otherPoint.y,
otherPoint.z !== undefined ? otherPoint.z : 0,
otherPoint.w !== undefined ? otherPoint.w : 1,
)
}
matrixTransform(matrix) {
if ((matrix.is2D || matrix instanceof SVGMatrix) && this.z === 0 && this.w === 1) {
return new DOMPoint(
this.x * matrix.a + this.y * matrix.c + matrix.e,
this.x * matrix.b + this.y * matrix.d + matrix.f,
0,
1,
)
} else {
return new DOMPoint(
this.x * matrix.m11 + this.y * matrix.m21 + this.z * matrix.m31 + this.w * matrix.m41,
this.x * matrix.m12 + this.y * matrix.m22 + this.z * matrix.m32 + this.w * matrix.m42,
this.x * matrix.m13 + this.y * matrix.m23 + this.z * matrix.m33 + this.w * matrix.m43,
this.x * matrix.m14 + this.y * matrix.m24 + this.z * matrix.m34 + this.w * matrix.m44,
)
}
}
toJSON() {
return {
x: this.x,
y: this.y,
z: this.z,
w: this.w,
}
}
}
// @info
// DOMRect polyfill
// @src
// https://drafts.fxtf.org/geometry/#DOMRect
// https://github.com/chromium/chromium/blob/master/third_party/blink/renderer/core/geometry/dom_rect_read_only.cc
class DOMRect {
constructor(x = 0, y = 0, width = 0, height = 0) {
this.x = x
this.y = y
this.width = width
this.height = height
}
static fromRect(otherRect) {
return new DOMRect(otherRect.x, otherRect.y, otherRect.width, otherRect.height)
}
get top() {
return this.y
}
get left() {
return this.x
}
get right() {
return this.x + this.width
}
get bottom() {
return this.y + this.height
}
toJSON() {
return {
x: this.x,
y: this.y,
width: this.width,
height: this.height,
top: this.top,
left: this.left,
right: this.right,
bottom: this.bottom,
}
}
}
for (const propertyName of ['top', 'right', 'bottom', 'left']) {
const propertyDescriptor = Object.getOwnPropertyDescriptor(DOMRect.prototype, propertyName)
propertyDescriptor.enumerable = true
Object.defineProperty(DOMRect.prototype, propertyName, propertyDescriptor)
}
// @info
// DOMMatrix polyfill (SVG 2)
// @src
// https://github.com/chromium/chromium/blob/master/third_party/blink/renderer/core/geometry/dom_matrix_read_only.cc
// https://github.com/tocharomera/generativecanvas/blob/master/node-canvas/lib/DOMMatrix.js
const M11 = 0,
M12 = 1,
M13 = 2,
M14 = 3
const M21 = 4,
M22 = 5,
M23 = 6,
M24 = 7
const M31 = 8,
M32 = 9,
M33 = 10,
M34 = 11
const M41 = 12,
M42 = 13,
M43 = 14,
M44 = 15
const A = M11,
B = M12
const C = M21,
D = M22
const E = M41,
F = M42
const DEGREE_PER_RAD = 180 / Math.PI
const RAD_PER_DEGREE = Math.PI / 180
const VALUES = Symbol('values')
const IS_2D = Symbol('is2D')
function parseMatrix(init) {
let parsed = init.replace(/matrix\(/, '').split(/,/, 7)
if (parsed.length !== 6) {
throw new Error(`Failed to parse ${init}`)
}
parsed = parsed.map(parseFloat)
return [parsed[0], parsed[1], 0, 0, parsed[2], parsed[3], 0, 0, 0, 0, 1, 0, parsed[4], parsed[5], 0, 1]
}
function parseMatrix3d(init) {
const parsed = init.replace(/matrix3d\(/, '').split(/,/, 17)
if (parsed.length !== 16) {
throw new Error(`Failed to parse ${init}`)
}
return parsed.map(parseFloat)
}
function parseTransform(tform) {
const type = tform.split(/\(/, 1)[0]
if (type === 'matrix') {
return parseMatrix(tform)
} else if (type === 'matrix3d') {
return parseMatrix3d(tform)
} else {
throw new Error(`${type} parsing not implemented`)
}
}
const setNumber2D = (receiver, index, value) => {
if (typeof value !== 'number') {
throw new TypeError('Expected number')
}
receiver[VALUES][index] = value
}
const setNumber3D = (receiver, index, value) => {
if (typeof value !== 'number') {
throw new TypeError('Expected number')
}
if (index === M33 || index === M44) {
if (value !== 1) {
receiver[IS_2D] = false
}
} else if (value !== 0) {
receiver[IS_2D] = false
}
receiver[VALUES][index] = value
}
const newInstance = (values) => {
const instance = Object.create(DOMMatrix.prototype)
instance.constructor = DOMMatrix
instance[IS_2D] = true
instance[VALUES] = values
return instance
}
const multiply = (first, second) => {
const dest = new Float64Array(16)
for (let i = 0; i < 4; i++) {
for (let j = 0; j < 4; j++) {
let sum = 0
for (let k = 0; k < 4; k++) {
sum += first[i * 4 + k] * second[k * 4 + j]
}
dest[i * 4 + j] = sum
}
}
return dest
}
class DOMMatrix {
get m11() {
return this[VALUES][M11]
}
set m11(value) {
setNumber2D(this, M11, value)
}
get m12() {
return this[VALUES][M12]
}
set m12(value) {
setNumber2D(this, M12, value)
}
get m13() {
return this[VALUES][M13]
}
set m13(value) {
setNumber3D(this, M13, value)
}
get m14() {
return this[VALUES][M14]
}
set m14(value) {
setNumber3D(this, M14, value)
}
get m21() {
return this[VALUES][M21]
}
set m21(value) {
setNumber2D(this, M21, value)
}
get m22() {
return this[VALUES][M22]
}
set m22(value) {
setNumber2D(this, M22, value)
}
get m23() {
return this[VALUES][M23]
}
set m23(value) {
setNumber3D(this, M23, value)
}
get m24() {
return this[VALUES][M24]
}
set m24(value) {
setNumber3D(this, M24, value)
}
get m31() {
return this[VALUES][M31]
}
set m31(value) {
setNumber3D(this, M31, value)
}
get m32() {
return this[VALUES][M32]
}
set m32(value) {
setNumber3D(this, M32, value)
}
get m33() {
return this[VALUES][M33]
}
set m33(value) {
setNumber3D(this, M33, value)
}
get m34() {
return this[VALUES][M34]
}
set m34(value) {
setNumber3D(this, M34, value)
}
get m41() {
return this[VALUES][M41]
}
set m41(value) {
setNumber2D(this, M41, value)
}
get m42() {
return this[VALUES][M42]
}
set m42(value) {
setNumber2D(this, M42, value)
}
get m43() {
return this[VALUES][M43]
}
set m43(value) {
setNumber3D(this, M43, value)
}
get m44() {
return this[VALUES][M44]
}
set m44(value) {
setNumber3D(this, M44, value)
}
get a() {
return this[VALUES][A]
}
set a(value) {
setNumber2D(this, A, value)
}
get b() {
return this[VALUES][B]
}
set b(value) {
setNumber2D(this, B, value)
}
get c() {
return this[VALUES][C]
}
set c(value) {
setNumber2D(this, C, value)
}
get d() {
return this[VALUES][D]
}
set d(value) {
setNumber2D(this, D, value)
}
get e() {
return this[VALUES][E]
}
set e(value) {
setNumber2D(this, E, value)
}
get f() {
return this[VALUES][F]
}
set f(value) {
setNumber2D(this, F, value)
}
get is2D() {
return this[IS_2D]
}
get isIdentity() {
const values = this[VALUES]
return (
values[M11] === 1 &&
values[M12] === 0 &&
values[M13] === 0 &&
values[M14] === 0 &&
values[M21] === 0 &&
values[M22] === 1 &&
values[M23] === 0 &&
values[M24] === 0 &&
values[M31] === 0 &&
values[M32] === 0 &&
values[M33] === 1 &&
values[M34] === 0 &&
values[M41] === 0 &&
values[M42] === 0 &&
values[M43] === 0 &&
values[M44] === 1
)
}
static fromMatrix(init) {
if (init instanceof DOMMatrix) {
return new DOMMatrix(init[VALUES])
} else if (init instanceof SVGMatrix) {
return new DOMMatrix([init.a, init.b, init.c, init.d, init.e, init.f])
} else {
throw new TypeError('Expected DOMMatrix')
}
}
static fromFloat32Array(init) {
if (!(init instanceof Float32Array)) throw new TypeError('Expected Float32Array')
return new DOMMatrix(init)
}
static fromFloat64Array(init) {
if (!(init instanceof Float64Array)) throw new TypeError('Expected Float64Array')
return new DOMMatrix(init)
}
// @type
// (Float64Array) => void
constructor(init) {
this[IS_2D] = true
this[VALUES] = new Float64Array([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1])
// Parse CSS transformList
if (typeof init === 'string') {
if (init === '') {
return
} else {
const tforms = init.split(/\)\s+/, 20).map(parseTransform)
if (tforms.length === 0) {
return
}
init = tforms[0]
for (let i = 1; i < tforms.length; i++) {
init = multiply(tforms[i], init)
}
}
}
let i = 0
if (init && init.length === 6) {
setNumber2D(this, A, init[i++])
setNumber2D(this, B, init[i++])
setNumber2D(this, C, init[i++])
setNumber2D(this, D, init[i++])
setNumber2D(this, E, init[i++])
setNumber2D(this, F, init[i++])
} else if (init && init.length === 16) {
setNumber2D(this, M11, init[i++])
setNumber2D(this, M12, init[i++])
setNumber3D(this, M13, init[i++])
setNumber3D(this, M14, init[i++])
setNumber2D(this, M21, init[i++])
setNumber2D(this, M22, init[i++])
setNumber3D(this, M23, init[i++])
setNumber3D(this, M24, init[i++])
setNumber3D(this, M31, init[i++])
setNumber3D(this, M32, init[i++])
setNumber3D(this, M33, init[i++])
setNumber3D(this, M34, init[i++])
setNumber2D(this, M41, init[i++])
setNumber2D(this, M42, init[i++])
setNumber3D(this, M43, init[i++])
setNumber3D(this, M44, init[i])
} else if (init !== undefined) {
throw new TypeError('Expected string or array.')
}
}
dump() {
const mat = this[VALUES]
console.info([mat.slice(0, 4), mat.slice(4, 8), mat.slice(8, 12), mat.slice(12, 16)])
}
[inspect.custom](depth, options) {
if (depth < 0) return '[DOMMatrix]'
const { a, b, c, d, e, f, is2D, isIdentity } = this
if (this.is2D) {
return `DOMMatrix ${inspect({ a, b, c, d, e, f, is2D, isIdentity }, { colors: true })}`
} else {
const { m11, m12, m13, m14, m21, m22, m23, m24, m31, m32, m33, m34, m41, m42, m43, m44, is2D, isIdentity } = this
return `DOMMatrix ${inspect(
{
a,
b,
c,
d,
e,
f,
m11,
m12,
m13,
m14,
m21,
m22,
m23,
m24,
m31,
m32,
m33,
m34,
m41,
m42,
m43,
m44,
is2D,
isIdentity,
},
{ colors: true },
)}`
}
}
multiply(other) {
return newInstance(this[VALUES]).multiplySelf(other)
}
multiplySelf(other) {
this[VALUES] = multiply(other[VALUES], this[VALUES])
if (!other.is2D) {
this[IS_2D] = false
}
return this
}
preMultiplySelf(other) {
this[VALUES] = multiply(this[VALUES], other[VALUES])
if (!other.is2D) {
this[IS_2D] = false
}
return this
}
translate(tx, ty, tz) {
return newInstance(this[VALUES]).translateSelf(tx, ty, tz)
}
translateSelf(tx = 0, ty = 0, tz = 0) {
this[VALUES] = multiply([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, tx, ty, tz, 1], this[VALUES])
if (tz !== 0) {
this[IS_2D] = false
}
return this
}
scale(scaleX, scaleY, scaleZ, originX, originY, originZ) {
return newInstance(this[VALUES]).scaleSelf(scaleX, scaleY, scaleZ, originX, originY, originZ)
}
scale3d(scale, originX, originY, originZ) {
return newInstance(this[VALUES]).scale3dSelf(scale, originX, originY, originZ)
}
scale3dSelf(scale, originX, originY, originZ) {
return this.scaleSelf(scale, scale, scale, originX, originY, originZ)
}
scaleSelf(scaleX, scaleY, scaleZ, originX, originY, originZ) {
// Not redundant with translate's checks because we need to negate the values later.
if (typeof originX !== 'number') originX = 0
if (typeof originY !== 'number') originY = 0
if (typeof originZ !== 'number') originZ = 0
this.translateSelf(originX, originY, originZ)
if (typeof scaleX !== 'number') scaleX = 1
if (typeof scaleY !== 'number') scaleY = scaleX
if (typeof scaleZ !== 'number') scaleZ = 1
this[VALUES] = multiply([scaleX, 0, 0, 0, 0, scaleY, 0, 0, 0, 0, scaleZ, 0, 0, 0, 0, 1], this[VALUES])
this.translateSelf(-originX, -originY, -originZ)
if (scaleZ !== 1 || originZ !== 0) {
this[IS_2D] = false
}
return this
}
rotateFromVector(x, y) {
return newInstance(this[VALUES]).rotateFromVectorSelf(x, y)
}
rotateFromVectorSelf(x = 0, y = 0) {
const theta = x === 0 && y === 0 ? 0 : Math.atan2(y, x) * DEGREE_PER_RAD
return this.rotateSelf(theta)
}
rotate(rotX, rotY, rotZ) {
return newInstance(this[VALUES]).rotateSelf(rotX, rotY, rotZ)
}
rotateSelf(rotX, rotY, rotZ) {
if (rotY === undefined && rotZ === undefined) {
rotZ = rotX
rotX = rotY = 0
}
if (typeof rotY !== 'number') rotY = 0
if (typeof rotZ !== 'number') rotZ = 0
if (rotX !== 0 || rotY !== 0) {
this[IS_2D] = false
}
rotX *= RAD_PER_DEGREE
rotY *= RAD_PER_DEGREE
rotZ *= RAD_PER_DEGREE
let c = Math.cos(rotZ)
let s = Math.sin(rotZ)
this[VALUES] = multiply([c, s, 0, 0, -s, c, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], this[VALUES])
c = Math.cos(rotY)
s = Math.sin(rotY)
this[VALUES] = multiply([c, 0, -s, 0, 0, 1, 0, 0, s, 0, c, 0, 0, 0, 0, 1], this[VALUES])
c = Math.cos(rotX)
s = Math.sin(rotX)
this[VALUES] = multiply([1, 0, 0, 0, 0, c, s, 0, 0, -s, c, 0, 0, 0, 0, 1], this[VALUES])
return this
}
rotateAxisAngle(x, y, z, angle) {
return newInstance(this[VALUES]).rotateAxisAngleSelf(x, y, z, angle)
}
rotateAxisAngleSelf(x = 0, y = 0, z = 0, angle = 0) {
const length = Math.sqrt(x * x + y * y + z * z)
if (length === 0) {
return this
}
if (length !== 1) {
x /= length
y /= length
z /= length
}
angle *= RAD_PER_DEGREE
const c = Math.cos(angle)
const s = Math.sin(angle)
const t = 1 - c
const tx = t * x
const ty = t * y
this[VALUES] = multiply(
[
tx * x + c,
tx * y + s * z,
tx * z - s * y,
0,
tx * y - s * z,
ty * y + c,
ty * z + s * x,
0,
tx * z + s * y,
ty * z - s * x,
t * z * z + c,
0,
0,
0,
0,
1,
],
this[VALUES],
)
if (x !== 0 || y !== 0) {
this[IS_2D] = false
}
return this
}
skewX(sx) {
return newInstance(this[VALUES]).skewXSelf(sx)
}
skewXSelf(sx) {
if (typeof sx !== 'number') {
return this
}
const t = Math.tan(sx * RAD_PER_DEGREE)
this[VALUES] = multiply([1, 0, 0, 0, t, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], this[VALUES])
return this
}
skewY(sy) {
return newInstance(this[VALUES]).skewYSelf(sy)
}
skewYSelf(sy) {
if (typeof sy !== 'number') {
return this
}
const t = Math.tan(sy * RAD_PER_DEGREE)
this[VALUES] = multiply([1, t, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], this[VALUES])
return this
}
flipX() {
return newInstance(multiply([-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], this[VALUES]))
}
flipY() {
return newInstance(multiply([1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], this[VALUES]))
}
inverse() {
return newInstance(this[VALUES]).invertSelf()
}
invertSelf() {
if (this[IS_2D]) {
const det = this[VALUES][A] * this[VALUES][D] - this[VALUES][B] * this[VALUES][C]
// Invertable
if (det !== 0) {
const result = new DOMMatrix()
result.a = this[VALUES][D] / det
result.b = -this[VALUES][B] / det
result.c = -this[VALUES][C] / det
result.d = this[VALUES][A] / det
result.e = (this[VALUES][C] * this[VALUES][F] - this[VALUES][D] * this[VALUES][E]) / det
result.f = (this[VALUES][B] * this[VALUES][E] - this[VALUES][A] * this[VALUES][F]) / det
return result
}
// Not invertable
else {
this[IS_2D] = false
this[VALUES] = [NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN]
}
} else {
throw new Error('3D matrix inversion is not implemented.')
}
}
setMatrixValue(transformList) {
const temp = new DOMMatrix(transformList)
this[VALUES] = temp[VALUES]
this[IS_2D] = temp[IS_2D]
return this
}
transformPoint(point) {
const x = point.x
const y = point.y
const z = point.z
const w = point.w
const values = this[VALUES]
const nx = values[M11] * x + values[M21] * y + values[M31] * z + values[M41] * w
const ny = values[M12] * x + values[M22] * y + values[M32] * z + values[M42] * w
const nz = values[M13] * x + values[M23] * y + values[M33] * z + values[M43] * w
const nw = values[M14] * x + values[M24] * y + values[M34] * z + values[M44] * w
return new DOMPoint(nx, ny, nz, nw)
}
toFloat32Array() {
return Float32Array.from(this[VALUES])
}
toFloat64Array() {
return this[VALUES].slice(0)
}
toJSON() {
return {
a: this.a,
b: this.b,
c: this.c,
d: this.d,
e: this.e,
f: this.f,
m11: this.m11,
m12: this.m12,
m13: this.m13,
m14: this.m14,
m21: this.m21,
m22: this.m22,
m23: this.m23,
m24: this.m24,
m31: this.m31,
m32: this.m32,
m33: this.m33,
m34: this.m34,
m41: this.m41,
m42: this.m42,
m43: this.m43,
m44: this.m44,
is2D: this.is2D,
isIdentity: this.isIdentity,
}
}
toString() {
if (this.is2D) {
return `matrix(${this.a}, ${this.b}, ${this.c}, ${this.d}, ${this.e}, ${this.f})`
} else {
return `matrix3d(${this[VALUES].join(', ')})`
}
}
}
for (const propertyName of [
'a',
'b',
'c',
'd',
'e',
'f',
'm11',
'm12',
'm13',
'm14',
'm21',
'm22',
'm23',
'm24',
'm31',
'm32',
'm33',
'm34',
'm41',
'm42',
'm43',
'm44',
'is2D',
'isIdentity',
]) {
const propertyDescriptor = Object.getOwnPropertyDescriptor(DOMMatrix.prototype, propertyName)
propertyDescriptor.enumerable = true
Object.defineProperty(DOMMatrix.prototype, propertyName, propertyDescriptor)
}
module.exports = { DOMPoint, DOMMatrix, DOMRect }

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node_modules/@napi-rs/canvas/index.d.ts generated vendored Normal file
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// Clear all type of caches in Skia
export function clearAllCache(): void
export interface DOMMatrix2DInit {
a: number
b: number
c: number
d: number
e: number
f: number
}
interface DOMMatrixReadOnly {
readonly a: number
readonly b: number
readonly c: number
readonly d: number
readonly e: number
readonly f: number
readonly is2D: boolean
readonly isIdentity: boolean
readonly m11: number
readonly m12: number
readonly m13: number
readonly m14: number
readonly m21: number
readonly m22: number
readonly m23: number
readonly m24: number
readonly m31: number
readonly m32: number
readonly m33: number
readonly m34: number
readonly m41: number
readonly m42: number
readonly m43: number
readonly m44: number
flipX(): DOMMatrix
flipY(): DOMMatrix
inverse(): DOMMatrix
multiply(other?: DOMMatrixInit): DOMMatrix
rotate(rotX?: number, rotY?: number, rotZ?: number): DOMMatrix
rotateAxisAngle(x?: number, y?: number, z?: number, angle?: number): DOMMatrix
rotateFromVector(x?: number, y?: number): DOMMatrix
scale(
scaleX?: number,
scaleY?: number,
scaleZ?: number,
originX?: number,
originY?: number,
originZ?: number,
): DOMMatrix
scale3d(scale?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix
skewX(sx?: number): DOMMatrix
skewY(sy?: number): DOMMatrix
toFloat32Array(): Float32Array
toFloat64Array(): Float64Array
transformPoint(point?: DOMPointInit): DOMPoint
translate(tx?: number, ty?: number, tz?: number): DOMMatrix
toString(): string
}
export interface DOMMatrix extends DOMMatrixReadOnly {
a: number
b: number
c: number
d: number
e: number
f: number
m11: number
m12: number
m13: number
m14: number
m21: number
m22: number
m23: number
m24: number
m31: number
m32: number
m33: number
m34: number
m41: number
m42: number
m43: number
m44: number
invertSelf(): DOMMatrix
multiplySelf(other?: DOMMatrixInit): DOMMatrix
preMultiplySelf(other?: DOMMatrixInit): DOMMatrix
rotateAxisAngleSelf(x?: number, y?: number, z?: number, angle?: number): DOMMatrix
rotateFromVectorSelf(x?: number, y?: number): DOMMatrix
rotateSelf(rotX?: number, rotY?: number, rotZ?: number): DOMMatrix
scale3dSelf(scale?: number, originX?: number, originY?: number, originZ?: number): DOMMatrix
scaleSelf(
scaleX?: number,
scaleY?: number,
scaleZ?: number,
originX?: number,
originY?: number,
originZ?: number,
): DOMMatrix
setMatrixValue(transformList: string): DOMMatrix
skewXSelf(sx?: number): DOMMatrix
skewYSelf(sy?: number): DOMMatrix
translateSelf(tx?: number, ty?: number, tz?: number): DOMMatrix
toJSON(): { [K in OmitNeverOfMatrix]: DOMMatrix[K] }
}
type OmitMatrixMethod = {
[K in keyof DOMMatrix]: DOMMatrix[K] extends (...args: any[]) => any ? never : K
}
type OmitNeverOfMatrix = OmitMatrixMethod[keyof OmitMatrixMethod]
export const DOMMatrix: {
prototype: DOMMatrix
new (init?: string | number[]): DOMMatrix
fromFloat32Array(array32: Float32Array): DOMMatrix
fromFloat64Array(array64: Float64Array): DOMMatrix
fromMatrix(other?: DOMMatrixInit): DOMMatrix
}
interface DOMRectReadOnly {
readonly bottom: number
readonly height: number
readonly left: number
readonly right: number
readonly top: number
readonly width: number
readonly x: number
readonly y: number
}
export interface DOMRect extends DOMRectReadOnly {
height: number
width: number
x: number
y: number
toJSON(): Omit<this, 'toJSON' | 'fromRect'>
}
export const DOMRect: {
prototype: DOMRect
new (x?: number, y?: number, width?: number, height?: number): DOMRect
fromRect(other?: DOMRectInit): DOMRect
}
interface DOMPointReadOnly {
readonly w: number
readonly x: number
readonly y: number
readonly z: number
matrixTransform(matrix?: DOMMatrixInit): DOMPoint
}
export interface DOMPoint extends DOMPointReadOnly {
w: number
x: number
y: number
z: number
toJSON(): Omit<DOMPoint, 'matrixTransform' | 'toJSON'>
}
export const DOMPoint: {
prototype: DOMPoint
new (x?: number, y?: number, z?: number, w?: number): DOMPoint
fromPoint(other?: DOMPointInit): DOMPoint
}
export class ImageData {
/**
* Returns the one-dimensional array containing the data in RGBA order, as integers in the range 0 to 255.
*/
readonly data: Uint8ClampedArray
/**
* Returns the actual dimensions of the data in the ImageData object, in pixels.
*/
readonly height: number
/**
* Returns the actual dimensions of the data in the ImageData object, in pixels.
*/
readonly width: number
constructor(sw: number, sh: number, attr?: { colorSpace?: ColorSpace })
constructor(imageData: ImageData, attr?: { colorSpace?: ColorSpace })
constructor(data: Uint8ClampedArray, sw: number, sh?: number)
}
export class Image {
constructor()
// attrs only affects SVG
constructor(width: number, height: number, attrs?: { colorSpace?: ColorSpace })
width: number
height: number
readonly naturalWidth: number
readonly naturalHeight: number
readonly complete: boolean
alt: string
src: Buffer
}
export class Path2D {
constructor(path?: Path2D | string)
addPath(path: Path2D, transform?: DOMMatrix2DInit): void
arc(x: number, y: number, radius: number, startAngle: number, endAngle: number, anticlockwise?: boolean): void
arcTo(x1: number, y1: number, x2: number, y2: number, radius: number): void
bezierCurveTo(cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number): void
closePath(): void
ellipse(
x: number,
y: number,
radiusX: number,
radiusY: number,
rotation: number,
startAngle: number,
endAngle: number,
anticlockwise?: boolean,
): void
lineTo(x: number, y: number): void
moveTo(x: number, y: number): void
quadraticCurveTo(cpx: number, cpy: number, x: number, y: number): void
rect(x: number, y: number, w: number, h: number): void
// PathKit methods
op(path: Path2D, operation: PathOp): Path2D
toSVGString(): string
getFillType(): FillType
getFillTypeString(): string
setFillType(type: FillType): void
simplify(): Path2D
asWinding(): Path2D
stroke(stroke?: StrokeOptions): Path2D
transform(transform: DOMMatrix2DInit): Path2D
getBounds(): [left: number, top: number, right: number, bottom: number]
computeTightBounds(): [left: number, top: number, right: number, bottom: number]
trim(start: number, end: number, isComplement?: boolean): Path2D
dash(on: number, off: number, phase: number): Path2D
equals(path: Path2D): boolean
}
export interface StrokeOptions {
width?: number
miterLimit?: number
cap?: StrokeCap
join?: StrokeJoin
}
export interface SKRSContext2D
extends Omit<
CanvasRenderingContext2D,
'drawImage' | 'createPattern' | 'getTransform' | 'drawFocusIfNeeded' | 'scrollPathIntoView'
> {
/**
* @param startAngle The angle at which to begin the gradient, in radians. Angle measurements start vertically above the centre and move around clockwise.
* @param x The x-axis coordinate of the centre of the gradient.
* @param y The y-axis coordinate of the centre of the gradient.
*/
createConicGradient(startAngle: number, x: number, y: number): CanvasGradient
drawImage(image: Image | Canvas, dx: number, dy: number): void
drawImage(image: Image | Canvas, dx: number, dy: number, dw: number, dh: number): void
drawImage(
image: Image | Canvas,
sx: number,
sy: number,
sw: number,
sh: number,
dx: number,
dy: number,
dw: number,
dh: number,
): void
createPattern(
image: Image | ImageData,
repeat: 'repeat' | 'repeat-x' | 'repeat-y' | 'no-repeat' | null,
): CanvasPattern
getContextAttributes(): { alpha: boolean; desynchronized: boolean }
getTransform(): {
a: number
b: number
c: number
d: number
e: number
f: number
}
}
export type ColorSpace = 'srgb' | 'display-p3'
export interface ContextAttributes {
alpha?: boolean
colorSpace?: ColorSpace
}
export interface SvgCanvas {
width: number
height: number
getContext(contextType: '2d', contextAttributes?: ContextAttributes): SKRSContext2D
getContent(): Buffer
}
export interface AvifConfig {
/** 0-100 scale, 100 is lossless */
quality?: number
/** 0-100 scale */
alphaQuality?: number
/** rav1e preset 1 (slow) 10 (fast but crappy), default is 4 */
speed?: number
/** How many threads should be used (0 = match core count) */
threads?: number
/** set to '4:2:0' to use chroma subsampling, default '4:4:4' */
chromaSubsampling?: ChromaSubsampling
}
/**
* https://en.wikipedia.org/wiki/Chroma_subsampling#Types_of_sampling_and_subsampling
* https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Video_concepts
*/
export enum ChromaSubsampling {
/**
* Each of the three Y'CbCr components has the same sample rate, thus there is no chroma subsampling. This scheme is sometimes used in high-end film scanners and cinematic post-production.
* Note that "4:4:4" may instead be wrongly referring to R'G'B' color space, which implicitly also does not have any chroma subsampling (except in JPEG R'G'B' can be subsampled).
* Formats such as HDCAM SR can record 4:4:4 R'G'B' over dual-link HD-SDI.
*/
Yuv444 = 0,
/**
* The two chroma components are sampled at half the horizontal sample rate of luma: the horizontal chroma resolution is halved. This reduces the bandwidth of an uncompressed video signal by one-third.
* Many high-end digital video formats and interfaces use this scheme:
* - [AVC-Intra 100](https://en.wikipedia.org/wiki/AVC-Intra)
* - [Digital Betacam](https://en.wikipedia.org/wiki/Betacam#Digital_Betacam)
* - [Betacam SX](https://en.wikipedia.org/wiki/Betacam#Betacam_SX)
* - [DVCPRO50](https://en.wikipedia.org/wiki/DV#DVCPRO) and [DVCPRO HD](https://en.wikipedia.org/wiki/DV#DVCPRO_HD)
* - [Digital-S](https://en.wikipedia.org/wiki/Digital-S)
* - [CCIR 601](https://en.wikipedia.org/wiki/Rec._601) / [Serial Digital Interface](https://en.wikipedia.org/wiki/Serial_digital_interface) / [D1](https://en.wikipedia.org/wiki/D-1_(Sony))
* - [ProRes (HQ, 422, LT, and Proxy)](https://en.wikipedia.org/wiki/Apple_ProRes)
* - [XDCAM HD422](https://en.wikipedia.org/wiki/XDCAM)
* - [Canon MXF HD422](https://en.wikipedia.org/wiki/Canon_XF-300)
*/
Yuv422 = 1,
/**
* n 4:2:0, the horizontal sampling is doubled compared to 4:1:1,
* but as the **Cb** and **Cr** channels are only sampled on each alternate line in this scheme, the vertical resolution is halved.
* The data rate is thus the same.
* This fits reasonably well with the PAL color encoding system, since this has only half the vertical chrominance resolution of [NTSC](https://en.wikipedia.org/wiki/NTSC).
* It would also fit extremely well with the [SECAM](https://en.wikipedia.org/wiki/SECAM) color encoding system,
* since like that format, 4:2:0 only stores and transmits one color channel per line (the other channel being recovered from the previous line).
* However, little equipment has actually been produced that outputs a SECAM analogue video signal.
* In general, SECAM territories either have to use a PAL-capable display or a [transcoder](https://en.wikipedia.org/wiki/Transcoding) to convert the PAL signal to SECAM for display.
*/
Yuv420 = 2,
/**
* What if the chroma subsampling model is 4:0:0?
* That says to use every pixel of luma data, but that each row has 0 chroma samples applied to it. The resulting image, then, is comprised solely of the luminance dataa greyscale image.
*/
Yuv400 = 3,
}
export class Canvas {
constructor(width: number, height: number, flag?: SvgExportFlag)
width: number
height: number
getContext(contextType: '2d', contextAttributes?: ContextAttributes): SKRSContext2D
encodeSync(format: 'webp' | 'jpeg', quality?: number): Buffer
encodeSync(format: 'png'): Buffer
encodeSync(format: 'avif', cfg?: AvifConfig): Buffer
encode(format: 'webp' | 'jpeg', quality?: number): Promise<Buffer>
encode(format: 'png'): Promise<Buffer>
encode(format: 'avif', cfg?: AvifConfig): Promise<Buffer>
toBuffer(mime: 'image/png'): Buffer
toBuffer(mime: 'image/jpeg' | 'image/webp', quality?: number): Buffer
toBuffer(mime: 'image/avif', cfg?: AvifConfig): Buffer
// raw pixels
data(): Buffer
toDataURL(mime?: 'image/png'): string
toDataURL(mime: 'image/jpeg' | 'image/webp', quality?: number): string
toDataURL(mime?: 'image/jpeg' | 'image/webp' | 'image/png', quality?: number): string
toDataURL(mime?: 'image/avif', cfg?: AvifConfig): string
toDataURLAsync(mime?: 'image/png'): Promise<string>
toDataURLAsync(mime: 'image/jpeg' | 'image/webp', quality?: number): Promise<string>
toDataURLAsync(mime?: 'image/jpeg' | 'image/webp' | 'image/png', quality?: number): Promise<string>
toDataURLAsync(mime?: 'image/avif', cfg?: AvifConfig): Promise<string>
}
export function createCanvas(width: number, height: number): Canvas
export function createCanvas(width: number, height: number, svgExportFlag: SvgExportFlag): SvgCanvas
interface IGlobalFonts {
readonly families: {
family: string
styles: {
weight: number
width: string
style: string
}[]
}[]
// return true if succeeded
register(font: Buffer, nameAlias?: string): boolean
// absolute path
registerFromPath(path: string, nameAlias?: string): boolean
has(name: string): boolean
loadFontsFromDir(path: string): number
}
export const GlobalFonts: IGlobalFonts
export enum PathOp {
Difference = 0, // subtract the op path from the first path
Intersect = 1, // intersect the two paths
Union = 2, // union (inclusive-or) the two paths
Xor = 3, // exclusive-or the two paths
ReverseDifference = 4, // subtract the first path from the op path
}
export enum FillType {
Winding = 0,
EvenOdd = 1,
InverseWinding = 2,
InverseEvenOdd = 3,
}
export enum StrokeJoin {
Miter = 0,
Round = 1,
Bevel = 2,
}
export enum StrokeCap {
Butt = 0,
Round = 1,
Square = 2,
}
export enum SvgExportFlag {
ConvertTextToPaths = 0x01,
NoPrettyXML = 0x02,
RelativePathEncoding = 0x04,
}
export function convertSVGTextToPath(svg: Buffer | string): Buffer
export interface LoadImageOptions {
alt?: string
maxRedirects?: number
requestOptions?: import('http').RequestOptions
}
export function loadImage(
source: string | URL | Buffer | ArrayBufferLike | Uint8Array | Image | import('stream').Readable,
options?: LoadImageOptions,
): Promise<Image>

96
node_modules/@napi-rs/canvas/index.js generated vendored Normal file
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const { platform, homedir } = require('os')
const { join } = require('path')
const {
clearAllCache,
CanvasRenderingContext2D,
CanvasElement,
SVGCanvas,
Path: Path2D,
ImageData,
Image,
CanvasPattern,
GlobalFonts,
PathOp,
FillType,
StrokeJoin,
StrokeCap,
convertSVGTextToPath,
} = require('./js-binding')
const { DOMPoint, DOMMatrix, DOMRect } = require('./geometry')
const loadImage = require('./load-image')
const SvgExportFlag = {
ConvertTextToPaths: 0x01,
NoPrettyXML: 0x02,
RelativePathEncoding: 0x04,
}
// eslint-disable-next-line sonarjs/no-unused-collection
const Fonts = []
Object.defineProperty(GlobalFonts, 'families', {
get: function () {
return JSON.parse(GlobalFonts.getFamilies())
},
})
Object.defineProperty(GlobalFonts, 'has', {
value: function has(name) {
return !!JSON.parse(GlobalFonts.getFamilies()).find(({ family }) => family === name)
},
configurable: false,
enumerable: false,
writable: false,
})
function createCanvas(width, height, flag) {
const isSvgBackend = typeof flag !== 'undefined'
return isSvgBackend ? new SVGCanvas(width, height, flag) : new CanvasElement(width, height)
}
class Canvas {
constructor(width, height, flag) {
return createCanvas(width, height, flag)
}
}
if (!process.env.DISABLE_SYSTEM_FONTS_LOAD) {
GlobalFonts.loadSystemFonts()
const platformName = platform()
const homedirPath = homedir()
switch (platformName) {
case 'win32':
GlobalFonts.loadFontsFromDir(join(homedirPath, 'AppData', 'Local', 'Microsoft', 'Windows', 'Fonts'))
break
case 'darwin':
GlobalFonts.loadFontsFromDir(join(homedirPath, 'Library', 'Fonts'))
break
case 'linux':
GlobalFonts.loadFontsFromDir(join('usr', 'local', 'share', 'fonts'))
GlobalFonts.loadFontsFromDir(join(homedirPath, '.fonts'))
break
}
}
module.exports = {
clearAllCache,
Canvas,
createCanvas,
Path2D,
ImageData,
Image,
PathOp,
FillType,
StrokeCap,
StrokeJoin,
SvgExportFlag,
GlobalFonts: GlobalFonts,
convertSVGTextToPath,
DOMPoint,
DOMMatrix,
DOMRect,
loadImage,
}

257
node_modules/@napi-rs/canvas/js-binding.js generated vendored Normal file
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const { existsSync, readFileSync } = require('fs')
const { join } = require('path')
const { platform, arch } = process
let nativeBinding = null
let localFileExisted = false
let loadError = null
function isMusl() {
// For Node 10
if (!process.report || typeof process.report.getReport !== 'function') {
try {
return readFileSync('/usr/bin/ldd', 'utf8').includes('musl')
} catch (e) {
return true
}
} else {
const { glibcVersionRuntime } = process.report.getReport().header
return !glibcVersionRuntime
}
}
switch (platform) {
case 'android':
switch (arch) {
case 'arm64':
localFileExisted = existsSync(join(__dirname, 'skia.android-arm64.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.android-arm64.node')
} else {
nativeBinding = require('@napi-rs/canvas-android-arm64')
}
} catch (e) {
loadError = e
}
break
case 'arm':
localFileExisted = existsSync(join(__dirname, 'skia.android-arm-eabi.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.android-arm-eabi.node')
} else {
nativeBinding = require('@napi-rs/canvas-android-arm-eabi')
}
} catch (e) {
loadError = e
}
break
default:
throw new Error(`Unsupported architecture on Android ${arch}`)
}
break
case 'win32':
switch (arch) {
case 'x64':
localFileExisted = existsSync(join(__dirname, 'skia.win32-x64-msvc.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.win32-x64-msvc.node')
} else {
nativeBinding = require('@napi-rs/canvas-win32-x64-msvc')
}
} catch (e) {
loadError = e
}
break
case 'ia32':
localFileExisted = existsSync(join(__dirname, 'skia.win32-ia32-msvc.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.win32-ia32-msvc.node')
} else {
nativeBinding = require('@napi-rs/canvas-win32-ia32-msvc')
}
} catch (e) {
loadError = e
}
break
case 'arm64':
localFileExisted = existsSync(join(__dirname, 'skia.win32-arm64-msvc.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.win32-arm64-msvc.node')
} else {
nativeBinding = require('@napi-rs/canvas-win32-arm64-msvc')
}
} catch (e) {
loadError = e
}
break
default:
throw new Error(`Unsupported architecture on Windows: ${arch}`)
}
break
case 'darwin':
switch (arch) {
case 'x64':
localFileExisted = existsSync(join(__dirname, 'skia.darwin-x64.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.darwin-x64.node')
} else {
nativeBinding = require('@napi-rs/canvas-darwin-x64')
}
} catch (e) {
loadError = e
}
break
case 'arm64':
localFileExisted = existsSync(join(__dirname, 'skia.darwin-arm64.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.darwin-arm64.node')
} else {
nativeBinding = require('@napi-rs/canvas-darwin-arm64')
}
} catch (e) {
loadError = e
}
break
default:
throw new Error(`Unsupported architecture on macOS: ${arch}`)
}
break
case 'freebsd':
if (arch !== 'x64') {
throw new Error(`Unsupported architecture on FreeBSD: ${arch}`)
}
localFileExisted = existsSync(join(__dirname, 'skia.freebsd-x64.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.freebsd-x64.node')
} else {
nativeBinding = require('@napi-rs/canvas-freebsd-x64')
}
} catch (e) {
loadError = e
}
break
case 'linux':
switch (arch) {
case 'x64':
if (isMusl()) {
localFileExisted = existsSync(join(__dirname, 'skia.linux-x64-musl.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.linux-x64-musl.node')
} else {
nativeBinding = require('@napi-rs/canvas-linux-x64-musl')
}
} catch (e) {
loadError = e
}
} else {
localFileExisted = existsSync(join(__dirname, 'skia.linux-x64-gnu.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.linux-x64-gnu.node')
} else {
nativeBinding = require('@napi-rs/canvas-linux-x64-gnu')
}
} catch (e) {
loadError = e
}
}
break
case 'arm64':
if (isMusl()) {
localFileExisted = existsSync(join(__dirname, 'skia.linux-arm64-musl.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.linux-arm64-musl.node')
} else {
nativeBinding = require('@napi-rs/canvas-linux-arm64-musl')
}
} catch (e) {
loadError = e
}
} else {
localFileExisted = existsSync(join(__dirname, 'skia.linux-arm64-gnu.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.linux-arm64-gnu.node')
} else {
nativeBinding = require('@napi-rs/canvas-linux-arm64-gnu')
}
} catch (e) {
loadError = e
}
}
break
case 'arm':
localFileExisted = existsSync(join(__dirname, 'skia.linux-arm-gnueabihf.node'))
try {
if (localFileExisted) {
nativeBinding = require('./skia.linux-arm-gnueabihf.node')
} else {
nativeBinding = require('@napi-rs/canvas-linux-arm-gnueabihf')
}
} catch (e) {
loadError = e
}
break
default:
throw new Error(`Unsupported architecture on Linux: ${arch}`)
}
break
default:
throw new Error(`Unsupported OS: ${platform}, architecture: ${arch}`)
}
if (!nativeBinding) {
if (loadError) {
throw loadError
}
throw new Error(`Failed to load native binding`)
}
const {
ChromaSubsampling,
SvgExportFlag,
CanvasRenderingContext2D,
CanvasGradient,
ImageData,
Image,
PathOp,
FillType,
StrokeCap,
StrokeJoin,
Path,
CanvasPattern,
convertSVGTextToPath,
CanvasElement,
SVGCanvas,
clearAllCache,
GlobalFonts,
} = nativeBinding
module.exports.ChromaSubsampling = ChromaSubsampling
module.exports.SvgExportFlag = SvgExportFlag
module.exports.CanvasRenderingContext2D = CanvasRenderingContext2D
module.exports.CanvasGradient = CanvasGradient
module.exports.ImageData = ImageData
module.exports.Image = Image
module.exports.PathOp = PathOp
module.exports.FillType = FillType
module.exports.StrokeCap = StrokeCap
module.exports.StrokeJoin = StrokeJoin
module.exports.Path = Path
module.exports.CanvasPattern = CanvasPattern
module.exports.convertSVGTextToPath = convertSVGTextToPath
module.exports.CanvasElement = CanvasElement
module.exports.SVGCanvas = SVGCanvas
module.exports.clearAllCache = clearAllCache
module.exports.GlobalFonts = GlobalFonts

103
node_modules/@napi-rs/canvas/load-image.js generated vendored Normal file
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const fs = require('fs')
const { Image } = require('./js-binding')
const { Readable } = require('stream')
let http, https
const MAX_REDIRECTS = 20,
REDIRECT_STATUSES = new Set([301, 302]),
DATA_URI = /^\s*data:/
/**
* Loads the given source into canvas Image
* @param {string|URL|Image|Buffer} source The image source to be loaded
* @param {object} options Options passed to the loader
*/
module.exports = async function loadImage(source, options = {}) {
// load readable stream as image
if (source instanceof Readable) return createImage(await consumeStream(source), options.alt)
// use the same buffer without copying if the source is a buffer
if (Buffer.isBuffer(source)) return createImage(source, options.alt)
// construct a buffer if the source is buffer-like
if (isBufferLike(source)) return createImage(Buffer.from(source), options.alt)
// if the source is Image instance, copy the image src to new image
if (source instanceof Image) return createImage(source.src, options.alt)
// if source is string and in data uri format, construct image using data uri
if (typeof source === 'string' && DATA_URI.test(source)) {
const commaIdx = source.indexOf(',')
const encoding = source.lastIndexOf('base64', commaIdx) < 0 ? 'utf-8' : 'base64'
const data = Buffer.from(source.slice(commaIdx + 1), encoding)
return createImage(data, options.alt)
}
// if source is a string or URL instance
if (typeof source === 'string' || source instanceof URL) {
// if the source exists as a file, construct image from that file
if (fs.existsSync(source)) {
return createImage(await fs.promises.readFile(source), options.alt)
} else {
// the source is a remote url here
source = !(source instanceof URL) ? new URL(source) : source
// attempt to download the remote source and construct image
const data = await new Promise((resolve, reject) =>
makeRequest(
source,
resolve,
reject,
typeof options.maxRedirects === 'number' && options.maxRedirects >= 0 ? options.maxRedirects : MAX_REDIRECTS,
options.requestOptions,
),
)
return createImage(data, options.alt)
}
}
// throw error as dont support that source
throw new TypeError('unsupported image source')
}
function makeRequest(url, resolve, reject, redirectCount, requestOptions) {
const isHttps = url.protocol === 'https:'
// lazy load the lib
const lib = isHttps ? (!https ? (https = require('https')) : https) : !http ? (http = require('http')) : http
lib
.get(url, requestOptions || {}, (res) => {
const shouldRedirect = REDIRECT_STATUSES.has(res.statusCode) && typeof res.headers.location === 'string'
if (shouldRedirect && redirectCount > 0)
return makeRequest(new URL(res.headers.location), resolve, reject, redirectCount - 1, requestOptions)
if (typeof res.statusCode === 'number' && (res.statusCode < 200 || res.statusCode >= 300)) {
return reject(new Error(`remote source rejected with status code ${res.statusCode}`))
}
consumeStream(res).then(resolve, reject)
})
.on('error', reject)
}
// use stream/consumers in the future?
function consumeStream(res) {
return new Promise((resolve, reject) => {
const chunks = []
res.on('data', (chunk) => chunks.push(chunk))
res.on('end', () => resolve(Buffer.concat(chunks)))
res.on('error', reject)
})
}
function createImage(src, alt) {
const image = new Image()
image.src = src
if (typeof alt === 'string') image.alt = alt
return image
}
function isBufferLike(src) {
return (
(src && src.type === 'Buffer') ||
Array.isArray(src) ||
src instanceof ArrayBuffer ||
src instanceof SharedArrayBuffer ||
src instanceof Object.getPrototypeOf(Uint8Array)
)
}

145
node_modules/@napi-rs/canvas/package.json generated vendored Normal file
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{
"name": "@napi-rs/canvas",
"version": "0.1.30",
"description": "Canvas for Node.js with skia backend",
"main": "index.js",
"repository": "https://github.com/Brooooooklyn/canvas.git",
"license": "MIT",
"keywords": [
"napi-rs",
"NAPI",
"N-API",
"Rust",
"node-addon",
"node-addon-api",
"canvas",
"image",
"pdf",
"svg",
"skia"
],
"files": [
"index.d.ts",
"index.js",
"geometry.js",
"js-binding.js",
"load-image.js"
],
"napi": {
"name": "skia",
"triples": {
"defaults": true,
"additional": [
"armv7-unknown-linux-gnueabihf",
"x86_64-unknown-linux-musl",
"aarch64-unknown-linux-gnu",
"aarch64-unknown-linux-musl",
"aarch64-apple-darwin",
"aarch64-linux-android"
]
}
},
"engines": {
"node": ">= 10"
},
"publishConfig": {
"registry": "https://registry.npmjs.org/",
"access": "public"
},
"scripts": {
"artifacts": "napi artifacts",
"bench": "node -r @swc-node/register benchmark/bench.ts",
"build": "napi build --platform --release --js js-binding.js",
"build:debug": "napi build --platform --js js-binding.js",
"format": "run-p format:source format:rs",
"format:rs": "cargo fmt",
"format:source": "prettier . -w",
"lint": "eslint . -c ./.eslintrc.yml",
"prepublishOnly": "pinst --disable && napi prepublish -t npm",
"postpublish": "pinst --enable",
"test": "ava",
"version": "napi version && conventional-changelog -p angular -i CHANGELOG.md -s && git add CHANGELOG.md"
},
"devDependencies": {
"@jimp/core": "^0.16.1",
"@jimp/custom": "^0.16.1",
"@jimp/jpeg": "^0.16.1",
"@jimp/png": "^0.16.1",
"@napi-rs/cli": "^2.11.4",
"@octokit/rest": "^19.0.4",
"@swc-node/register": "^1.5.1",
"@types/lodash": "^4.14.184",
"@types/node": "^18.7.13",
"@typescript-eslint/eslint-plugin": "^5.35.1",
"@typescript-eslint/parser": "^5.35.1",
"ava": "^4.3.3",
"benny": "^3.7.1",
"canvas": "^2.9.3",
"canvaskit-wasm": "^0.37.0",
"colorette": "^2.0.19",
"conventional-changelog-cli": "^2.2.2",
"echarts": "^5.3.3",
"eslint": "^8.22.0",
"eslint-config-prettier": "^8.5.0",
"eslint-plugin-import": "^2.26.0",
"eslint-plugin-prettier": "^4.2.1",
"eslint-plugin-sonarjs": "^0.15.0",
"husky": "^8.0.1",
"lint-staged": "^13.0.3",
"lodash": "^4.17.21",
"npm-run-all": "^4.1.5",
"pinst": "^3.0.0",
"png.js": "^0.2.1",
"prettier": "^2.7.1",
"pretty-bytes": "^6.0.0",
"skia-canvas": "^1.0.0",
"table": "^6.8.0",
"typescript": "^4.7.4"
},
"lint-staged": {
"*.@(js|ts|tsx|yml|yaml|md|json|html)": [
"prettier --write"
],
"*.@(js|ts|tsx)": [
"eslint -c .eslintrc.yml --fix"
]
},
"ava": {
"require": [
"@swc-node/register"
],
"extensions": [
"ts"
],
"files": [
"__test__/**/*.spec.ts",
"scripts/__test__/**/*.spec.ts"
],
"workerThreads": false,
"cache": false,
"timeout": "3m",
"environmentVariables": {
"SWC_NODE_PROJECT": "./tsconfig.json",
"NODE_ENV": "ava"
}
},
"prettier": {
"printWidth": 120,
"semi": false,
"trailingComma": "all",
"singleQuote": true,
"arrowParens": "always"
},
"packageManager": "yarn@3.2.3",
"optionalDependencies": {
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"@napi-rs/canvas-darwin-x64": "0.1.30",
"@napi-rs/canvas-linux-x64-gnu": "0.1.30",
"@napi-rs/canvas-linux-arm-gnueabihf": "0.1.30",
"@napi-rs/canvas-linux-x64-musl": "0.1.30",
"@napi-rs/canvas-linux-arm64-gnu": "0.1.30",
"@napi-rs/canvas-linux-arm64-musl": "0.1.30",
"@napi-rs/canvas-darwin-arm64": "0.1.30",
"@napi-rs/canvas-android-arm64": "0.1.30"
}
}