支持 mac

npm-packages/mac-v2.4.x/canvas/lib/DOMMatrix.js

@@ -0,0 +1,620 @@
+'use strict'
+
+const util = require('util')
+
+// DOMMatrix per https://drafts.fxtf.org/geometry/#DOMMatrix
+
+class DOMPoint {
+  constructor (x, y, z, w) {
+    if (typeof x === 'object' && x !== null) {
+      w = x.w
+      z = x.z
+      y = x.y
+      x = x.x
+    }
+    this.x = typeof x === 'number' ? x : 0
+    this.y = typeof y === 'number' ? y : 0
+    this.z = typeof z === 'number' ? z : 0
+    this.w = typeof w === 'number' ? w : 1
+  }
+}
+
+// Constants to index into _values (col-major)
+const M11 = 0; const M12 = 1; const M13 = 2; const M14 = 3
+const M21 = 4; const M22 = 5; const M23 = 6; const M24 = 7
+const M31 = 8; const M32 = 9; const M33 = 10; const M34 = 11
+const M41 = 12; const M42 = 13; const M43 = 14; const M44 = 15
+
+const DEGREE_PER_RAD = 180 / Math.PI
+const RAD_PER_DEGREE = Math.PI / 180
+
+function parseMatrix (init) {
+  let parsed = init.replace('matrix(', '')
+  parsed = parsed.split(',', 7) // 6 + 1 to handle too many params
+  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) {
+  let parsed = init.replace('matrix3d(', '')
+  parsed = parsed.split(',', 17) // 16 + 1 to handle too many params
+  if (parsed.length !== 16) throw new Error(`Failed to parse ${init}`)
+  return parsed.map(parseFloat)
+}
+
+function parseTransform (tform) {
+  const type = tform.split('(', 1)[0]
+  switch (type) {
+    case 'matrix':
+      return parseMatrix(tform)
+    case 'matrix3d':
+      return parseMatrix3d(tform)
+    // TODO This is supposed to support any CSS transform value.
+    default:
+      throw new Error(`${type} parsing not implemented`)
+  }
+}
+
+class DOMMatrix {
+  constructor (init) {
+    this._is2D = true
+    this._values = new Float64Array([
+      1, 0, 0, 0,
+      0, 1, 0, 0,
+      0, 0, 1, 0,
+      0, 0, 0, 1
+    ])
+
+    let i
+
+    if (typeof init === 'string') { // parse CSS transformList
+      if (init === '') return // default identity matrix
+      const tforms = init.split(/\)\s+/, 20).map(parseTransform)
+      if (tforms.length === 0) return
+      init = tforms[0]
+      for (i = 1; i < tforms.length; i++) init = multiply(tforms[i], init)
+    }
+
+    i = 0
+    if (init && init.length === 6) {
+      setNumber2D(this, M11, init[i++])
+      setNumber2D(this, M12, init[i++])
+      setNumber2D(this, M21, init[i++])
+      setNumber2D(this, M22, init[i++])
+      setNumber2D(this, M41, init[i++])
+      setNumber2D(this, M42, 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.')
+    }
+  }
+
+  toString () {
+    return this.is2D
+      ? `matrix(${this.a}, ${this.b}, ${this.c}, ${this.d}, ${this.e}, ${this.f})`
+      : `matrix3d(${this._values.join(', ')})`
+  }
+
+  multiply (other) {
+    return newInstance(this._values).multiplySelf(other)
+  }
+
+  multiplySelf (other) {
+    this._values = multiply(other._values, this._values)
+    if (!other.is2D) this._is2D = false
+    return this
+  }
+
+  preMultiplySelf (other) {
+    this._values = multiply(this._values, other._values)
+    if (!other.is2D) this._is2D = false
+    return this
+  }
+
+  translate (tx, ty, tz) {
+    return newInstance(this._values).translateSelf(tx, ty, tz)
+  }
+
+  translateSelf (tx, ty, tz) {
+    if (typeof tx !== 'number') tx = 0
+    if (typeof ty !== 'number') ty = 0
+    if (typeof tz !== 'number') 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._is2D = 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._is2D = false
+    return this
+  }
+
+  rotateFromVector (x, y) {
+    return newInstance(this._values).rotateFromVectorSelf(x, y)
+  }
+
+  rotateFromVectorSelf (x, y) {
+    if (typeof x !== 'number') x = 0
+    if (typeof y !== 'number') 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._is2D = false
+    rotX *= RAD_PER_DEGREE
+    rotY *= RAD_PER_DEGREE
+    rotZ *= RAD_PER_DEGREE
+    let c, s
+    c = Math.cos(rotZ)
+    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, y, z, angle) {
+    if (typeof x !== 'number') x = 0
+    if (typeof y !== 'number') y = 0
+    if (typeof z !== 'number') z = 0
+    // Normalize axis
+    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
+    // NB: This is the generic transform. If the axis is a major axis, there are
+    // faster transforms.
+    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._is2D = 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 () {
+    const m = this._values
+    const inv = m.map(v => 0)
+
+    inv[0] = m[5] * m[10] * m[15] -
+            m[5] * m[11] * m[14] -
+            m[9] * m[6] * m[15] +
+            m[9] * m[7] * m[14] +
+            m[13] * m[6] * m[11] -
+            m[13] * m[7] * m[10]
+
+    inv[4] = -m[4] * m[10] * m[15] +
+            m[4] * m[11] * m[14] +
+            m[8] * m[6] * m[15] -
+            m[8] * m[7] * m[14] -
+            m[12] * m[6] * m[11] +
+            m[12] * m[7] * m[10]
+
+    inv[8] = m[4] * m[9] * m[15] -
+            m[4] * m[11] * m[13] -
+            m[8] * m[5] * m[15] +
+            m[8] * m[7] * m[13] +
+            m[12] * m[5] * m[11] -
+            m[12] * m[7] * m[9]
+
+    inv[12] = -m[4] * m[9] * m[14] +
+            m[4] * m[10] * m[13] +
+            m[8] * m[5] * m[14] -
+            m[8] * m[6] * m[13] -
+            m[12] * m[5] * m[10] +
+            m[12] * m[6] * m[9]
+
+    // If the determinant is zero, this matrix cannot be inverted, and all
+    // values should be set to NaN, with the is2D flag set to false.
+
+    const det = m[0] * inv[0] + m[1] * inv[4] + m[2] * inv[8] + m[3] * inv[12]
+
+    if (det === 0) {
+      this._values = m.map(v => NaN)
+      this._is2D = false
+      return this
+    }
+
+    inv[1] = -m[1] * m[10] * m[15] +
+            m[1] * m[11] * m[14] +
+            m[9] * m[2] * m[15] -
+            m[9] * m[3] * m[14] -
+            m[13] * m[2] * m[11] +
+            m[13] * m[3] * m[10]
+
+    inv[5] = m[0] * m[10] * m[15] -
+            m[0] * m[11] * m[14] -
+            m[8] * m[2] * m[15] +
+            m[8] * m[3] * m[14] +
+            m[12] * m[2] * m[11] -
+            m[12] * m[3] * m[10]
+
+    inv[9] = -m[0] * m[9] * m[15] +
+            m[0] * m[11] * m[13] +
+            m[8] * m[1] * m[15] -
+            m[8] * m[3] * m[13] -
+            m[12] * m[1] * m[11] +
+            m[12] * m[3] * m[9]
+
+    inv[13] = m[0] * m[9] * m[14] -
+            m[0] * m[10] * m[13] -
+            m[8] * m[1] * m[14] +
+            m[8] * m[2] * m[13] +
+            m[12] * m[1] * m[10] -
+            m[12] * m[2] * m[9]
+
+    inv[2] = m[1] * m[6] * m[15] -
+            m[1] * m[7] * m[14] -
+            m[5] * m[2] * m[15] +
+            m[5] * m[3] * m[14] +
+            m[13] * m[2] * m[7] -
+            m[13] * m[3] * m[6]
+
+    inv[6] = -m[0] * m[6] * m[15] +
+            m[0] * m[7] * m[14] +
+            m[4] * m[2] * m[15] -
+            m[4] * m[3] * m[14] -
+            m[12] * m[2] * m[7] +
+            m[12] * m[3] * m[6]
+
+    inv[10] = m[0] * m[5] * m[15] -
+            m[0] * m[7] * m[13] -
+            m[4] * m[1] * m[15] +
+            m[4] * m[3] * m[13] +
+            m[12] * m[1] * m[7] -
+            m[12] * m[3] * m[5]
+
+    inv[14] = -m[0] * m[5] * m[14] +
+            m[0] * m[6] * m[13] +
+            m[4] * m[1] * m[14] -
+            m[4] * m[2] * m[13] -
+            m[12] * m[1] * m[6] +
+            m[12] * m[2] * m[5]
+
+    inv[3] = -m[1] * m[6] * m[11] +
+            m[1] * m[7] * m[10] +
+            m[5] * m[2] * m[11] -
+            m[5] * m[3] * m[10] -
+            m[9] * m[2] * m[7] +
+            m[9] * m[3] * m[6]
+
+    inv[7] = m[0] * m[6] * m[11] -
+            m[0] * m[7] * m[10] -
+            m[4] * m[2] * m[11] +
+            m[4] * m[3] * m[10] +
+            m[8] * m[2] * m[7] -
+            m[8] * m[3] * m[6]
+
+    inv[11] = -m[0] * m[5] * m[11] +
+            m[0] * m[7] * m[9] +
+            m[4] * m[1] * m[11] -
+            m[4] * m[3] * m[9] -
+            m[8] * m[1] * m[7] +
+            m[8] * m[3] * m[5]
+
+    inv[15] = m[0] * m[5] * m[10] -
+            m[0] * m[6] * m[9] -
+            m[4] * m[1] * m[10] +
+            m[4] * m[2] * m[9] +
+            m[8] * m[1] * m[6] -
+            m[8] * m[2] * m[5]
+
+    inv.forEach((v, i) => { inv[i] = v / det })
+    this._values = inv
+    return this
+  }
+
+  setMatrixValue (transformList) {
+    const temp = new DOMMatrix(transformList)
+    this._values = temp._values
+    this._is2D = temp._is2D
+    return this
+  }
+
+  transformPoint (point) {
+    point = new DOMPoint(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)
+  }
+
+  static fromMatrix (init) {
+    if (!(init instanceof DOMMatrix)) throw new TypeError('Expected DOMMatrix')
+    return new DOMMatrix(init._values)
+  }
+
+  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)
+  }
+
+  [util.inspect.custom || 'inspect'] (depth, options) {
+    if (depth < 0) return '[DOMMatrix]'
+
+    return `DOMMatrix [
+      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}
+      m23: ${this.m23}
+      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} ]`
+  }
+}
+
+/**
+ * Checks that `value` is a number and sets the value.
+ */
+function setNumber2D (receiver, index, value) {
+  if (typeof value !== 'number') throw new TypeError('Expected number')
+  return (receiver._values[index] = value)
+}
+
+/**
+ * Checks that `value` is a number, sets `_is2D = false` if necessary and sets
+ * the value.
+ */
+function setNumber3D (receiver, index, value) {
+  if (typeof value !== 'number') throw new TypeError('Expected number')
+  if (index === M33 || index === M44) {
+    if (value !== 1) receiver._is2D = false
+  } else if (value !== 0) receiver._is2D = false
+  return (receiver._values[index] = value)
+}
+
+Object.defineProperties(DOMMatrix.prototype, {
+  m11: { get () { return this._values[M11] }, set (v) { return setNumber2D(this, M11, v) } },
+  m12: { get () { return this._values[M12] }, set (v) { return setNumber2D(this, M12, v) } },
+  m13: { get () { return this._values[M13] }, set (v) { return setNumber3D(this, M13, v) } },
+  m14: { get () { return this._values[M14] }, set (v) { return setNumber3D(this, M14, v) } },
+  m21: { get () { return this._values[M21] }, set (v) { return setNumber2D(this, M21, v) } },
+  m22: { get () { return this._values[M22] }, set (v) { return setNumber2D(this, M22, v) } },
+  m23: { get () { return this._values[M23] }, set (v) { return setNumber3D(this, M23, v) } },
+  m24: { get () { return this._values[M24] }, set (v) { return setNumber3D(this, M24, v) } },
+  m31: { get () { return this._values[M31] }, set (v) { return setNumber3D(this, M31, v) } },
+  m32: { get () { return this._values[M32] }, set (v) { return setNumber3D(this, M32, v) } },
+  m33: { get () { return this._values[M33] }, set (v) { return setNumber3D(this, M33, v) } },
+  m34: { get () { return this._values[M34] }, set (v) { return setNumber3D(this, M34, v) } },
+  m41: { get () { return this._values[M41] }, set (v) { return setNumber2D(this, M41, v) } },
+  m42: { get () { return this._values[M42] }, set (v) { return setNumber2D(this, M42, v) } },
+  m43: { get () { return this._values[M43] }, set (v) { return setNumber3D(this, M43, v) } },
+  m44: { get () { return this._values[M44] }, set (v) { return setNumber3D(this, M44, v) } },
+
+  a: { get () { return this.m11 }, set (v) { return (this.m11 = v) } },
+  b: { get () { return this.m12 }, set (v) { return (this.m12 = v) } },
+  c: { get () { return this.m21 }, set (v) { return (this.m21 = v) } },
+  d: { get () { return this.m22 }, set (v) { return (this.m22 = v) } },
+  e: { get () { return this.m41 }, set (v) { return (this.m41 = v) } },
+  f: { get () { return this.m42 }, set (v) { return (this.m42 = v) } },
+
+  is2D: { get () { return this._is2D } }, // read-only
+
+  isIdentity: {
+    get () {
+      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)
+    }
+  }
+})
+
+/**
+ * Instantiates a DOMMatrix, bypassing the constructor.
+ * @param {Float64Array} values Value to assign to `_values`. This is assigned
+ *   without copying (okay because all usages are followed by a  multiply).
+ */
+function newInstance (values) {
+  const instance = Object.create(DOMMatrix.prototype)
+  instance.constructor = DOMMatrix
+  instance._is2D = true
+  instance._values = values
+  return instance
+}
+
+function multiply (A, B) {
+  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 += A[i * 4 + k] * B[k * 4 + j]
+      }
+      dest[i * 4 + j] = sum
+    }
+  }
+  return dest
+}
+
+module.exports = { DOMMatrix, DOMPoint }

npm-packages/mac-v2.4.x/canvas/lib/bindings.js

@@ -0,0 +1,13 @@
+'use strict'
+
+const bindings = require('../build/Release/canvas.node')
+
+module.exports = bindings
+
+bindings.ImageData.prototype.toString = function () {
+	return '[object ImageData]'
+}
+
+bindings.CanvasGradient.prototype.toString = function () {
+	return '[object CanvasGradient]'
+}

npm-packages/mac-v2.4.x/canvas/lib/canvas.js

@@ -0,0 +1,113 @@
+'use strict'
+
+/*!
+ * Canvas
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+const bindings = require('./bindings')
+const Canvas = module.exports = bindings.Canvas
+const Context2d = require('./context2d')
+const PNGStream = require('./pngstream')
+const PDFStream = require('./pdfstream')
+const JPEGStream = require('./jpegstream')
+const FORMATS = ['image/png', 'image/jpeg']
+const util = require('util')
+
+// TODO || is for Node.js pre-v6.6.0
+Canvas.prototype[util.inspect.custom || 'inspect'] = function () {
+  return `[Canvas ${this.width}x${this.height}]`
+}
+
+Canvas.prototype.getContext = function (contextType, contextAttributes) {
+  if (contextType == '2d') {
+    const ctx = this._context2d || (this._context2d = new Context2d(this, contextAttributes))
+    this.context = ctx
+    ctx.canvas = this
+    return ctx
+  }
+}
+
+Canvas.prototype.pngStream =
+Canvas.prototype.createPNGStream = function (options) {
+  return new PNGStream(this, options)
+}
+
+Canvas.prototype.pdfStream =
+Canvas.prototype.createPDFStream = function (options) {
+  return new PDFStream(this, options)
+}
+
+Canvas.prototype.jpegStream =
+Canvas.prototype.createJPEGStream = function (options) {
+  return new JPEGStream(this, options)
+}
+
+Canvas.prototype.toDataURL = function (a1, a2, a3) {
+  // valid arg patterns (args -> [type, opts, fn]):
+  // [] -> ['image/png', null, null]
+  // [qual] -> ['image/png', null, null]
+  // [undefined] -> ['image/png', null, null]
+  // ['image/png'] -> ['image/png', null, null]
+  // ['image/png', qual] -> ['image/png', null, null]
+  // [fn] -> ['image/png', null, fn]
+  // [type, fn] -> [type, null, fn]
+  // [undefined, fn] -> ['image/png', null, fn]
+  // ['image/png', qual, fn] -> ['image/png', null, fn]
+  // ['image/jpeg', fn] -> ['image/jpeg', null, fn]
+  // ['image/jpeg', opts, fn] -> ['image/jpeg', opts, fn]
+  // ['image/jpeg', qual, fn] -> ['image/jpeg', {quality: qual}, fn]
+  // ['image/jpeg', undefined, fn] -> ['image/jpeg', null, fn]
+  // ['image/jpeg'] -> ['image/jpeg', null, fn]
+  // ['image/jpeg', opts] -> ['image/jpeg', opts, fn]
+  // ['image/jpeg', qual] -> ['image/jpeg', {quality: qual}, fn]
+
+  let type = 'image/png'
+  let opts = {}
+  let fn
+
+  if (typeof a1 === 'function') {
+    fn = a1
+  } else {
+    if (typeof a1 === 'string' && FORMATS.includes(a1.toLowerCase())) {
+      type = a1.toLowerCase()
+    }
+
+    if (typeof a2 === 'function') {
+      fn = a2
+    } else {
+      if (typeof a2 === 'object') {
+        opts = a2
+      } else if (typeof a2 === 'number') {
+        opts = { quality: Math.max(0, Math.min(1, a2)) }
+      }
+
+      if (typeof a3 === 'function') {
+        fn = a3
+      } else if (undefined !== a3) {
+        throw new TypeError(`${typeof a3} is not a function`)
+      }
+    }
+  }
+
+  if (this.width === 0 || this.height === 0) {
+    // Per spec, if the bitmap has no pixels, return this string:
+    const str = 'data:,'
+    if (fn) {
+      setTimeout(() => fn(null, str))
+      return
+    } else {
+      return str
+    }
+  }
+
+  if (fn) {
+    this.toBuffer((err, buf) => {
+      if (err) return fn(err)
+      fn(null, `data:${type};base64,${buf.toString('base64')}`)
+    }, type, opts)
+  } else {
+    return `data:${type};base64,${this.toBuffer(type, opts).toString('base64')}`
+  }
+}

npm-packages/mac-v2.4.x/canvas/lib/context2d.js

@@ -0,0 +1,14 @@
+'use strict'
+
+/*!
+ * Canvas - Context2d
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+const bindings = require('./bindings')
+const parseFont = require('./parse-font')
+const { DOMMatrix } = require('./DOMMatrix')
+
+bindings.CanvasRenderingContext2dInit(DOMMatrix, parseFont)
+module.exports = bindings.CanvasRenderingContext2d

npm-packages/mac-v2.4.x/canvas/lib/image.js

@@ -0,0 +1,96 @@
+'use strict'
+
+/*!
+ * Canvas - Image
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+const bindings = require('./bindings')
+const Image = module.exports = bindings.Image
+const util = require('util')
+
+// Lazily loaded simple-get
+let get
+
+const { GetSource, SetSource } = bindings
+
+Object.defineProperty(Image.prototype, 'src', {
+  /**
+   * src setter. Valid values:
+   *  * `data:` URI
+   *  * Local file path
+   *  * HTTP or HTTPS URL
+   *  * Buffer containing image data (i.e. not a `data:` URI stored in a Buffer)
+   *
+   * @param {String|Buffer} val filename, buffer, data URI, URL
+   * @api public
+   */
+  set (val) {
+    if (typeof val === 'string') {
+      if (/^\s*data:/.test(val)) { // data: URI
+        const commaI = val.indexOf(',')
+        // 'base64' must come before the comma
+        const isBase64 = val.lastIndexOf('base64', commaI) !== -1
+        const content = val.slice(commaI + 1)
+        setSource(this, Buffer.from(content, isBase64 ? 'base64' : 'utf8'), val)
+      } else if (/^\s*https?:\/\//.test(val)) { // remote URL
+        const onerror = err => {
+          if (typeof this.onerror === 'function') {
+            this.onerror(err)
+          } else {
+            throw err
+          }
+        }
+
+        if (!get) get = require('simple-get')
+
+        get.concat({
+          url: val,
+          headers: { 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36' }
+        }, (err, res, data) => {
+          if (err) return onerror(err)
+
+          if (res.statusCode < 200 || res.statusCode >= 300) {
+            return onerror(new Error(`Server responded with ${res.statusCode}`))
+          }
+
+          setSource(this, data)
+        })
+      } else { // local file path assumed
+        setSource(this, val)
+      }
+    } else if (Buffer.isBuffer(val)) {
+      setSource(this, val)
+    }
+  },
+
+  get () {
+    // TODO https://github.com/Automattic/node-canvas/issues/118
+    return getSource(this)
+  },
+
+  configurable: true
+})
+
+// TODO || is for Node.js pre-v6.6.0
+Image.prototype[util.inspect.custom || 'inspect'] = function () {
+  return '[Image' +
+    (this.complete ? ':' + this.width + 'x' + this.height : '') +
+    (this.src ? ' ' + this.src : '') +
+    (this.complete ? ' complete' : '') +
+    ']'
+}
+
+function getSource (img) {
+  return img._originalSource || GetSource.call(img)
+}
+
+function setSource (img, src, origSrc) {
+  SetSource.call(img, src)
+  img._originalSource = origSrc
+}

npm-packages/mac-v2.4.x/canvas/lib/jpegstream.js

@@ -0,0 +1,41 @@
+'use strict'
+
+/*!
+ * Canvas - JPEGStream
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+const { Readable } = require('stream')
+function noop () {}
+
+class JPEGStream extends Readable {
+  constructor (canvas, options) {
+    super()
+
+    if (canvas.streamJPEGSync === undefined) {
+      throw new Error('node-canvas was built without JPEG support.')
+    }
+
+    this.options = options
+    this.canvas = canvas
+  }
+
+  _read () {
+    // For now we're not controlling the c++ code's data emission, so we only
+    // call canvas.streamJPEGSync once and let it emit data at will.
+    this._read = noop
+
+    this.canvas.streamJPEGSync(this.options, (err, chunk) => {
+      if (err) {
+        this.emit('error', err)
+      } else if (chunk) {
+        this.push(chunk)
+      } else {
+        this.push(null)
+      }
+    })
+  }
+};
+
+module.exports = JPEGStream

npm-packages/mac-v2.4.x/canvas/lib/parse-font.js

@@ -0,0 +1,101 @@
+'use strict'
+
+/**
+ * Font RegExp helpers.
+ */
+
+const weights = 'bold|bolder|lighter|[1-9]00'
+const styles = 'italic|oblique'
+const variants = 'small-caps'
+const stretches = 'ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded'
+const units = 'px|pt|pc|in|cm|mm|%|em|ex|ch|rem|q'
+const string = '\'([^\']+)\'|"([^"]+)"|[\\w\\s-]+'
+
+// [ [ <‘font-style’> || <font-variant-css21> || <‘font-weight’> || <‘font-stretch’> ]?
+//    <‘font-size’> [ / <‘line-height’> ]? <‘font-family’> ]
+// https://drafts.csswg.org/css-fonts-3/#font-prop
+const weightRe = new RegExp(`(${weights}) +`, 'i')
+const styleRe = new RegExp(`(${styles}) +`, 'i')
+const variantRe = new RegExp(`(${variants}) +`, 'i')
+const stretchRe = new RegExp(`(${stretches}) +`, 'i')
+const sizeFamilyRe = new RegExp(
+  `([\\d\\.]+)(${units}) *((?:${string})( *, *(?:${string}))*)`)
+
+/**
+ * Cache font parsing.
+ */
+
+const cache = {}
+
+const defaultHeight = 16 // pt, common browser default
+
+/**
+ * Parse font `str`.
+ *
+ * @param {String} str
+ * @return {Object} Parsed font. `size` is in device units. `unit` is the unit
+ *   appearing in the input string.
+ * @api private
+ */
+
+module.exports = str => {
+  // Cached
+  if (cache[str]) return cache[str]
+
+  // Try for required properties first.
+  const sizeFamily = sizeFamilyRe.exec(str)
+  if (!sizeFamily) return // invalid
+
+  // Default values and required properties
+  const font = {
+    weight: 'normal',
+    style: 'normal',
+    stretch: 'normal',
+    variant: 'normal',
+    size: parseFloat(sizeFamily[1]),
+    unit: sizeFamily[2],
+    family: sizeFamily[3].replace(/["']/g, '').replace(/ *, */g, ',')
+  }
+
+  // Optional, unordered properties.
+  let weight, style, variant, stretch
+  // Stop search at `sizeFamily.index`
+  const substr = str.substring(0, sizeFamily.index)
+  if ((weight = weightRe.exec(substr))) font.weight = weight[1]
+  if ((style = styleRe.exec(substr))) font.style = style[1]
+  if ((variant = variantRe.exec(substr))) font.variant = variant[1]
+  if ((stretch = stretchRe.exec(substr))) font.stretch = stretch[1]
+
+  // Convert to device units. (`font.unit` is the original unit)
+  // TODO: ch, ex
+  switch (font.unit) {
+    case 'pt':
+      font.size /= 0.75
+      break
+    case 'pc':
+      font.size *= 16
+      break
+    case 'in':
+      font.size *= 96
+      break
+    case 'cm':
+      font.size *= 96.0 / 2.54
+      break
+    case 'mm':
+      font.size *= 96.0 / 25.4
+      break
+    case '%':
+      // TODO disabled because existing unit tests assume 100
+      // font.size *= defaultHeight / 100 / 0.75
+      break
+    case 'em':
+    case 'rem':
+      font.size *= defaultHeight / 0.75
+      break
+    case 'q':
+      font.size *= 96 / 25.4 / 4
+      break
+  }
+
+  return (cache[str] = font)
+}

npm-packages/mac-v2.4.x/canvas/lib/pattern.js

@@ -0,0 +1,17 @@
+'use strict'
+
+/*!
+ * Canvas - CanvasPattern
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+const bindings = require('./bindings')
+const { DOMMatrix } = require('./DOMMatrix')
+
+bindings.CanvasPatternInit(DOMMatrix)
+module.exports = bindings.CanvasPattern
+
+bindings.CanvasPattern.prototype.toString = function () {
+	return '[object CanvasPattern]'
+}

npm-packages/mac-v2.4.x/canvas/lib/pdfstream.js

@@ -0,0 +1,35 @@
+'use strict'
+
+/*!
+ * Canvas - PDFStream
+ */
+
+const { Readable } = require('stream')
+function noop () {}
+
+class PDFStream extends Readable {
+  constructor (canvas, options) {
+    super()
+
+    this.canvas = canvas
+    this.options = options
+  }
+
+  _read () {
+    // For now we're not controlling the c++ code's data emission, so we only
+    // call canvas.streamPDFSync once and let it emit data at will.
+    this._read = noop
+
+    this.canvas.streamPDFSync((err, chunk, len) => {
+      if (err) {
+        this.emit('error', err)
+      } else if (len) {
+        this.push(chunk)
+      } else {
+        this.push(null)
+      }
+    }, this.options)
+  }
+}
+
+module.exports = PDFStream

npm-packages/mac-v2.4.x/canvas/lib/pngstream.js

@@ -0,0 +1,42 @@
+'use strict'
+
+/*!
+ * Canvas - PNGStream
+ * Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+ * MIT Licensed
+ */
+
+const { Readable } = require('stream')
+function noop () {}
+
+class PNGStream extends Readable {
+  constructor (canvas, options) {
+    super()
+
+    if (options &&
+      options.palette instanceof Uint8ClampedArray &&
+      options.palette.length % 4 !== 0) {
+      throw new Error('Palette length must be a multiple of 4.')
+    }
+    this.canvas = canvas
+    this.options = options || {}
+  }
+
+  _read () {
+    // For now we're not controlling the c++ code's data emission, so we only
+    // call canvas.streamPNGSync once and let it emit data at will.
+    this._read = noop
+
+    this.canvas.streamPNGSync((err, chunk, len) => {
+      if (err) {
+        this.emit('error', err)
+      } else if (len) {
+        this.push(chunk)
+      } else {
+        this.push(null)
+      }
+    }, this.options)
+  }
+}
+
+module.exports = PNGStream