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homestay/minsu/admin/node_modules/vue-qr/packages/skia-canvas-lib/lib/geometry.js

1030 lines
20 KiB

"use strict";
import { inspect } from "util";
// 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 (let propertyName of ["top", "right", "bottom", "left"]) {
let 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();
const $is2D = Symbol();
let parseMatrix = init => {
let parsed = init.replace(/matrix\(/, "");
parsed = parsed.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
];
};
let parseMatrix3d = init => {
let parsed = init.replace(/matrix3d\(/, "");
parsed = parsed.split(/,/, 17);
if (parsed.length !== 16) {
throw new Error(`Failed to parse ${init}`);
}
return parsed.map(parseFloat);
};
let parseTransform = tform => {
let 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`);
}
};
let setNumber2D = (receiver, index, value) => {
if (typeof value !== "number") {
throw new TypeError("Expected number");
}
receiver[$values][index] = value;
};
let 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;
}
receiver[$values][index] = value;
};
let newInstance = values => {
let instance = Object.create(DOMMatrix.prototype);
instance.constructor = DOMMatrix;
instance[$is2D] = true;
instance[$values] = values;
return instance;
};
let multiply = (first, second) => {
let 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[$is2D];
}
get isIdentity() {
let 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[$is2D] = 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 {
let 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() {
let mat = this[$values];
console.log([
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]";
let { 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 {
let {
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[$values]);
if (!other.is2D) {
this[$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[$values]).translateSelf(tx, ty, tz);
}
translateSelf(tx = 0, ty = 0, tz = 0) {
this[$values] = multiply(
[1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, tx, ty, tz, 1],
this[$values]
);
if (tz !== 0) {
this[$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 = 0, y = 0) {
let 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 = 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[$values]).rotateAxisAngleSelf(x, y, z, angle);
}
rotateAxisAngleSelf(x = 0, y = 0, z = 0, angle = 0) {
let length = Math.sqrt(x * x + y * y + z * z);
if (length === 0) {
return this;
}
if (length !== 1) {
x /= length;
y /= length;
z /= length;
}
angle *= RAD_PER_DEGREE;
let c = Math.cos(angle);
let s = Math.sin(angle);
let t = 1 - c;
let tx = t * x;
let ty = t * y;
this[$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[$values]
);
if (x !== 0 || y !== 0) {
this[$is2D] = false;
}
return this;
}
skewX(sx) {
return newInstance(this[$values]).skewXSelf(sx);
}
skewXSelf(sx) {
if (typeof sx !== "number") {
return this;
}
let t = Math.tan(sx * RAD_PER_DEGREE);
this[$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;
}
let 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[$values]).invertSelf();
}
invertSelf() {
if (this[$is2D]) {
let det =
this[$values][A] * this[$values][D] -
this[$values][B] * this[$values][C];
// Invertable
if (det !== 0) {
let 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[$is2D] = false;
this[$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) {
let temp = new DOMMatrix(transformList);
this[$values] = temp[$values];
this[$is2D] = temp[$is2D];
return this;
}
transformPoint(point) {
let x = point.x;
let y = point.y;
let z = point.z;
let w = point.w;
let values = this[$values];
let nx =
values[M11] * x + values[M21] * y + values[M31] * z + values[M41] * w;
let ny =
values[M12] * x + values[M22] * y + values[M32] * z + values[M42] * w;
let nz =
values[M13] * x + values[M23] * y + values[M33] * z + values[M43] * w;
let nw =
values[M14] * x + values[M24] * y + values[M34] * z + values[M44] * w;
return new DOMPoint(nx, ny, nz, nw);
}
toFloat32Array() {
return Float32Array.from(this[$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 (let 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"
]) {
let propertyDescriptor = Object.getOwnPropertyDescriptor(
DOMMatrix.prototype,
propertyName
);
propertyDescriptor.enumerable = true;
Object.defineProperty(DOMMatrix.prototype, propertyName, propertyDescriptor);
}
// module.exports = {DOMPoint, DOMMatrix, DOMRect}
const obj = { DOMPoint, DOMMatrix, DOMRect };
export default obj;