mirror of
https://gitee.com/onvia/ccc-tnt-psd2ui
synced 2024-12-28 04:27:42 +00:00
95 lines
2.9 KiB
JavaScript
95 lines
2.9 KiB
JavaScript
|
const Canvas = require('./lib/canvas')
|
||
|
|
const Image = require('./lib/image')
|
||
|
|
const CanvasRenderingContext2D = require('./lib/context2d')
|
||
|
|
const CanvasPattern = require('./lib/pattern')
|
||
|
|
const parseFont = require('./lib/parse-font')
|
||
|
|
const packageJson = require('./package.json')
|
||
|
|
const bindings = require('./lib/bindings')
|
||
|
|
const fs = require('fs')
|
||
|
|
const PNGStream = require('./lib/pngstream')
|
||
|
|
const PDFStream = require('./lib/pdfstream')
|
||
|
|
const JPEGStream = require('./lib/jpegstream')
|
||
|
|
const { DOMPoint, DOMMatrix } = require('./lib/DOMMatrix')
|
||
|
|
|
||
|
|
function createCanvas (width, height, type) {
|
||
|
|
return new Canvas(width, height, type)
|
||
|
|
}
|
||
|
|
|
||
|
|
function createImageData (array, width, height) {
|
||
|
|
return new bindings.ImageData(array, width, height)
|
||
|
|
}
|
||
|
|
|
||
|
|
function loadImage (src) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
const image = new Image()
|
||
|
|
|
||
|
|
function cleanup () {
|
||
|
|
image.onload = null
|
||
|
|
image.onerror = null
|
||
|
|
}
|
||
|
|
|
||
|
|
image.onload = () => { cleanup(); resolve(image) }
|
||
|
|
image.onerror = (err) => { cleanup(); reject(err) }
|
||
|
|
|
||
|
|
image.src = src
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolve paths for registerFont. Must be called *before* creating a Canvas
|
||
|
|
* instance.
|
||
|
|
* @param src {string} Path to font file.
|
||
|
|
* @param fontFace {{family: string, weight?: string, style?: string}} Object
|
||
|
|
* specifying font information. `weight` and `style` default to `"normal"`.
|
||
|
|
*/
|
||
|
|
function registerFont (src, fontFace) {
|
||
|
|
// TODO this doesn't need to be on Canvas; it should just be a static method
|
||
|
|
// of `bindings`.
|
||
|
|
return Canvas._registerFont(fs.realpathSync(src), fontFace)
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unload all fonts from pango to free up memory
|
||
|
|
*/
|
||
|
|
function deregisterAllFonts () {
|
||
|
|
return Canvas._deregisterAllFonts()
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.Canvas = Canvas
|
||
|
|
exports.Context2d = CanvasRenderingContext2D // Legacy/compat export
|
||
|
|
exports.CanvasRenderingContext2D = CanvasRenderingContext2D
|
||
|
|
exports.CanvasGradient = bindings.CanvasGradient
|
||
|
|
exports.CanvasPattern = CanvasPattern
|
||
|
|
exports.Image = Image
|
||
|
|
exports.ImageData = bindings.ImageData
|
||
|
|
exports.PNGStream = PNGStream
|
||
|
|
exports.PDFStream = PDFStream
|
||
|
|
exports.JPEGStream = JPEGStream
|
||
|
|
exports.DOMMatrix = DOMMatrix
|
||
|
|
exports.DOMPoint = DOMPoint
|
||
|
|
|
||
|
|
exports.registerFont = registerFont
|
||
|
|
exports.deregisterAllFonts = deregisterAllFonts
|
||
|
|
exports.parseFont = parseFont
|
||
|
|
|
||
|
|
exports.createCanvas = createCanvas
|
||
|
|
exports.createImageData = createImageData
|
||
|
|
exports.loadImage = loadImage
|
||
|
|
|
||
|
|
exports.backends = bindings.Backends
|
||
|
|
|
||
|
|
/** Library version. */
|
||
|
|
exports.version = packageJson.version
|
||
|
|
/** Cairo version. */
|
||
|
|
exports.cairoVersion = bindings.cairoVersion
|
||
|
|
/** jpeglib version. */
|
||
|
|
exports.jpegVersion = bindings.jpegVersion
|
||
|
|
/** gif_lib version. */
|
||
|
|
exports.gifVersion = bindings.gifVersion ? bindings.gifVersion.replace(/[^.\d]/g, '') : undefined
|
||
|
|
/** freetype version. */
|
||
|
|
exports.freetypeVersion = bindings.freetypeVersion
|
||
|
|
/** rsvg version. */
|
||
|
|
exports.rsvgVersion = bindings.rsvgVersion
|
||
|
|
/** pango version. */
|
||
|
|
exports.pangoVersion = bindings.pangoVersion
|