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"));

const _excluded = ["children"];

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * copy pixel with no interpolation (nearest pixel)
 * @prop {any} children content to render
 */
class NearestCopy extends _react.Component {
  constructor(...args) {
    super(...args);

    _defineProperty(this, "_node", void 0);

    _defineProperty(this, "_onRef", node => {
      this._node = node;
    });
  }

  /**
   * get a reference to the underlying Node instance
   * @return {Node}
   */
  getNodeRef() {
    return this._node;
  }

  render() {
    const _this$props = this.props,
          {
      children: t
    } = _this$props,
          rest = _objectWithoutProperties(_this$props, _excluded);

    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 = NearestCopy;
exports.default = _default;
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