axis3d/texture/utils.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isImage = exports.isVideo = exports.isCanvas = undefined;
exports.isTextureDataReady = isTextureDataReady;
exports.getTextureDataResolution = getTextureDataResolution;
exports.isCubeTextureDataReady = isCubeTextureDataReady;
exports.getCubeTextureDataResolution = getCubeTextureDataResolution;

var _window = require('global/window');

var _window2 = _interopRequireDefault(_window);

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

var HTMLVideoElement = _window2.default.HTMLVideoElement;
var HTMLCanvasElement = _window2.default.HTMLCanvasElement;
var HTMLImageElement = _window2.default.HTMLImageElement;

// https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/readyState

var _ref = HTMLVideoElement || {},
    _ref$HAVE_NOTHING = _ref.HAVE_NOTHING,
    HAVE_NOTHING = _ref$HAVE_NOTHING === undefined ? 0 : _ref$HAVE_NOTHING,
    _ref$HAVE_METADATA = _ref.HAVE_METADATA,
    HAVE_METADATA = _ref$HAVE_METADATA === undefined ? 1 : _ref$HAVE_METADATA,
    _ref$HAVE_CURRENT_DAT = _ref.HAVE_CURRENT_DATA,
    HAVE_CURRENT_DATA = _ref$HAVE_CURRENT_DAT === undefined ? 2 : _ref$HAVE_CURRENT_DAT,
    _ref$HAVE_FUTURE_DATA = _ref.HAVE_FUTURE_DATA,
    HAVE_FUTURE_DATA = _ref$HAVE_FUTURE_DATA === undefined ? 3 : _ref$HAVE_FUTURE_DATA,
    _ref$HAVE_ENOUGH_DATA = _ref.HAVE_ENOUGH_DATA,
    HAVE_ENOUGH_DATA = _ref$HAVE_ENOUGH_DATA === undefined ? 4 : _ref$HAVE_ENOUGH_DATA;

var isCanvas = exports.isCanvas = function isCanvas(d) {
  return d instanceof HTMLCanvasElement;
};
var isVideo = exports.isVideo = function isVideo(d) {
  return d instanceof HTMLVideoElement;
};
var isImage = exports.isImage = function isImage(d) {
  return d instanceof HTMLImageElement;
};

function isTextureDataReady(data) {
  var resolution = getTextureDataResolution(data);
  if (!resolution[0] || !resolution[1]) {
    return false;
  }
  if (isVideo(data) && data.readyState >= HAVE_CURRENT_DATA) {
    return true;
  } else if (isImage(data) || isCanvas(data)) {
    if (data.width && data.height) {
      return true;
    }
  }
  return false;
}

function getTextureDataResolution(data) {
  if (isImage(data) || isCanvas(data)) {
    return [data.width, data.height];
  } else if (isVideo(data)) {
    return [data.videoWidth || 0, data.videoHeight || 0];
  } else if (data && data.shape) {
    return data.shape;
  } else {
    return [0, 0];
  }
}

function isCubeTextureDataReady(data) {
  if (isVideo(data) && data.readyState >= HAVE_CURRENT_DATA) {
    return true;
  } else if (isImage(data) || isCanvas(data)) {
    if (data.width && data.height) {
      return true;
    }
  }
  return false;
}

function getCubeTextureDataResolution(data) {
  if (Array.isArray(data)) {
    data = data.filter(function (d) {
      return d;
    }).filter(function (d) {
      return isImage(d) || isVideo(d) || d.shape.every(Boolean);
    })[0];
    return getCubeTextureDataResolution(data);
  }
  if (isImage(data) || isCanvas(data)) {
    return [data.width, data.height];
  } else if (isVideo(data)) {
    return [data.videoWidth || 0, data.videoHeight || 0];
  } else if (data && data.shape) {
    return data.shape;
  } else {
    return [0, 0];
  }
}
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