gl-react/lib/NearestCopy.js

Universal React library, write and compose WebGL shaders, implement complex effects using a descriptive paradigm

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _Node = _interopRequireDefault(require("./Node"));
var _copyShader = _interopRequireDefault(require("./copyShader"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
/**
 * copy pixel with no interpolation (nearest pixel)
 * @prop {any} children content to render
 */
class NearestCopy extends _react.Component {
  _node = null;
  /**
   * get a reference to the underlying Node instance
   * @return {Node}
   */
  getNodeRef() {
    return this._node;
  }
  _onRef = node => {
    this._node = node;
  };
  render() {
    const {
      children: t,
      ...rest
    } = this.props;
    return /*#__PURE__*/_react.default.createElement(_Node.default, _extends({}, rest, {
      ref: this._onRef,
      shader: _copyShader.default,
      blendFunc: {
        src: "one",
        dst: "one minus src alpha"
      },
      uniformsOptions: {
        t: {
          interpolation: "nearest"
        }
      },
      uniforms: {
        t
      }
    }));
  }
}
var _default = exports.default = NearestCopy;
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