@ashleysmart/react-native-vision-camera/lib/commonjs/skia/SkiaCameraCanvas.js

Fork of - A powerful, high-performance React Native Camera library.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.SkiaCameraCanvas = void 0;
var _react = _interopRequireWildcard(require("react"));
var _ReanimatedProxy = require("../dependencies/ReanimatedProxy");
var _SkiaProxy = require("../dependencies/SkiaProxy");
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); }
function SkiaCameraCanvasImpl({
  offscreenTextures,
  resizeMode = 'cover',
  children,
  ...props
}) {
  const texture = _ReanimatedProxy.ReanimatedProxy.useSharedValue(null);
  const [width, setWidth] = (0, _react.useState)(0);
  const [height, setHeight] = (0, _react.useState)(0);
  _ReanimatedProxy.ReanimatedProxy.useFrameCallback(() => {
    'worklet';

    // 1. atomically pop() the latest rendered frame/texture from our queue
    const latestTexture = offscreenTextures.value.pop();
    if (latestTexture == null) {
      // we don't have a new Frame from the Camera yet, skip this render.
      return;
    }

    // 2. dispose the last rendered frame
    texture.value?.dispose();

    // 3. set a new one which will be rendered then
    texture.value = latestTexture;
  });
  const onLayout = (0, _react.useCallback)(({
    nativeEvent: {
      layout
    }
  }) => {
    setWidth(Math.round(layout.width));
    setHeight(Math.round(layout.height));
  }, []);
  return /*#__PURE__*/_react.default.createElement(_SkiaProxy.SkiaProxy.Canvas, _extends({}, props, {
    onLayout: onLayout,
    pointerEvents: "none"
  }), children, /*#__PURE__*/_react.default.createElement(_SkiaProxy.SkiaProxy.Image, {
    x: 0,
    y: 0,
    width: width,
    height: height,
    fit: resizeMode,
    image: texture
  }));
}
const SkiaCameraCanvas = exports.SkiaCameraCanvas = /*#__PURE__*/_react.default.memo(SkiaCameraCanvasImpl);
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