Brunobkr/llama.cpp_AlgMor24_github

1import pointRadial from "../pointRadial.js";2 3class Bump {4  constructor(context, x) {5    this._context = context;6    this._x = x;7  }8  areaStart() {9    this._line = 0;10  }11  areaEnd() {12    this._line = NaN;13  }14  lineStart() {15    this._point = 0;16  }17  lineEnd() {18    if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();19    this._line = 1 - this._line;20  }21  point(x, y) {22    x = +x, y = +y;23    switch (this._point) {24      case 0: {25        this._point = 1;26        if (this._line) this._context.lineTo(x, y);27        else this._context.moveTo(x, y);28        break;29      }30      case 1: this._point = 2; // falls through31      default: {32        if (this._x) this._context.bezierCurveTo(this._x0 = (this._x0 + x) / 2, this._y0, this._x0, y, x, y);33        else this._context.bezierCurveTo(this._x0, this._y0 = (this._y0 + y) / 2, x, this._y0, x, y);34        break;35      }36    }37    this._x0 = x, this._y0 = y;38  }39}40 41class BumpRadial {42  constructor(context) {43    this._context = context;44  }45  lineStart() {46    this._point = 0;47  }48  lineEnd() {}49  point(x, y) {50    x = +x, y = +y;51    if (this._point === 0) {52      this._point = 1;53    } else {54      const p0 = pointRadial(this._x0, this._y0);55      const p1 = pointRadial(this._x0, this._y0 = (this._y0 + y) / 2);56      const p2 = pointRadial(x, this._y0);57      const p3 = pointRadial(x, y);58      this._context.moveTo(...p0);59      this._context.bezierCurveTo(...p1, ...p2, ...p3);60    }61    this._x0 = x, this._y0 = y;62  }63}64 65export function bumpX(context) {66  return new Bump(context, true);67}68 69export function bumpY(context) {70  return new Bump(context, false);71}72 73export function bumpRadial(context) {74  return new BumpRadial(context);75}76