svg-to-pdf

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pre-press oriented node.js module to transform a SVG string into printable PDF file

svg-to-pdf 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# svg-to-pdf
_pre-press oriented node.js module to transform a SVG string into printable PDF file_

* [Features](#features)
  + [Limited support](#limited-support)
  + [Not supported (yet)](#not-supported-yet)
  + [Not supported, won't be supported](#not-supported-wont-be-supported)
* [Installation](#installation)
* [Usage](#usage)
* [Development](#development)
* [Credits](#credits)
* [Related](#related)
* [License](#license)

## Features

- Support for this SVG elements:
 + `<defs>`
 + `<symbol>`
 + `<clipPath>`
 + `<use>`
 + `<g>`
 + `<path>`
 + `<rect>`
 + `<circle>`
 + `<ellipse>`
 + `<line>`
 + `<image>`
 + `<polyline>`
 + `<polygon>`
 + `<image>`
 + `<text>`
- **Group inheritance** (ie: `<g color=green>` will pass its `color=green` attribute to its children)
- All [`PDFKit`](http://pdfkit.org/) vector graphics supported operations
- PDF **file permissions** and limitations w/ password support
- PDF file **metadatas edition** (author, subject, keywords, etc…)
- Length units support and implicit conversion to PDF points
- Support for **uncalibrated CMYK colors** using [`device-cmyk()`](https://www.w3.org/TR/2014/WD-SVG2-20140211/color.html#devicecmyk), as described in the [SVG 2 Working draft 11](https://www.w3.org/TR/2014/WD-SVG2-20140211/Overview.html)
- [Pre-press inspired **pre-flight process**](https://en.wikipedia.org/wiki/Pre-flight_(printing)), which gives insight and warnings after generating a PDF file
- **Pre-press** related features such as bleed area and printers marks:
 + crop marks
 + colors marks
 + registration marks

### Limited support
- `viewBox` attribute is parsed only on the `<svg>` root element, so all system coordinates must be absolute
- The [`preserveAspectRatio`](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio) attribute is fully supported, **but only on the `<image>` element**
- `<text>` elements are rendered only if they do not have complex structure (such as nested element)
- Supported `<text>` specific presentation attributes are:
 + `dominant-baseline`
 + `font-family`
 + `font-size`
 + `letter-spacing`
 + `text-anchor`
 + `word-spacing`
- `%` unit _should_ work as intended, but some bugs can occur when working in complex coordinates systems (like viewports deep nest)

### Not supported, won't be supported
#### CSS styling
Use [`svgo`](https://github.com/svg/svgo) beforehand to apply CSS styling as element attributes:

```yaml
full: false
plugins:
  - inlineStyles:
      useMqs:
        - ''
        - screen
        - print
  - removeStyleElement
  - converStyleToAttrs
```

**NOTE:** see [`svgo` guide](https://github.com/svg/svgo/blob/master/docs/how-it-works/en.md#1-config) to read more about `svgo` config.
## Installation

```console
$ npm install --save svg-to-pdf
```

## Usage

```js
const SVG2PDF = require('svg-to-pdf')

const options = {
  docPath: '/tmp/file.pdf',

// All attributes refering to an external file path will be resolved from
  // this root path
  rootPath: process.cwd(),

// color space can be either 'rgb' or 'cmyk'
  colorSpace: 'rgb',

// SVG specification specifies that all unitless lengths are expressed in a
  // so-called "user unit", usually defaulting to pixel
  userUnit: 'px', // 'px', 'mm', 'cm', 'pt', 'in'…

// Pre-press related features
 bleed: 0, // '10mm', '100px', 10 <userUnit>
 marks: {
 colors: true,
 crop: true,
 registration: true
 },

// Attach an additional [...files] array to the output, providing further
  // insights on PDF generation.
  // Be warned that files analysis can be perf heavy.
  createFilesReport = true,

// PDF file options, see PDFKit
  pdfVersion: 1.3,
  userPassword: undefined,
  ownerPassword: undefined,
  permissions: undefined,
  title: '',
  subject: '',
  author: '',
  producer: 'arnaudjuracek/svg-to-pdf@semver',
  keywords: ''
}

// using Promises
SVG2PDF(svgString, options)
  .then(({ warnings, files }) => console.log(warnings))
  .catch(error => console.error(error))

// using async/await
;(async () => {
 const { warnings, files } = await SVG2PDF(svgString, options)
 console.log(warnings)
})()
```
**Note:** for PDF file related options, see [`PDFKit` options](http://pdfkit.org/docs/getting_started.html#setting_document_metadata).

## Development

```console
$ npm test # run svg-to-pdf against test/sample.svg
$ npm test -- --input=path/to/file.svg --output=path/to/output.svg --color-space=rgb|cmyk
```

## Credits
- SVG initial parsing is done thanks to [`svg-parser`](https://github.com/Rich-Harris/svg-parser/).
- PDF file is generated with [`PDFKit`](http://pdfkit.org/).

## Related
- [`SVG-to-PDFKit`](https://github.com/alafr/SVG-to-PDFKit/)

## License
[MIT.](https://tldrlegal.com/license/mit-license)

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