Function loadTexture

lib/loadTexture.js:27–57

* Load a texture file. * * @param {String} texturePath Path to the texture file. * @param {Object} [options] An object with the following properties: * @param {Boolean} [options.checkTransparency=false] Do a more exhaustive check for texture transparency by looking at the alpha channel of each p

(texturePath, options)

 * @private
 */
function loadTexture(texturePath, options) {
  options = defaultValue(options, {});
  options.checkTransparency = defaultValue(options.checkTransparency, false);
  options.decode = defaultValue(options.decode, false);
  options.keepSource = defaultValue(options.keepSource, false);

  return fsExtra.readFile(texturePath).then(function (source) {
    const name = path.basename(texturePath, path.extname(texturePath));
    const extension = path.extname(texturePath).toLowerCase();
    const texture = new Texture();
    texture.source = source;
    texture.name = name;
    texture.extension = extension;
    texture.path = texturePath;

    let decodePromise;
    if (extension === ".png") {
      decodePromise = decodePng(texture, options);
    } else if (extension === ".jpg" || extension === ".jpeg") {
      decodePromise = decodeJpeg(texture, options);
    }

    if (defined(decodePromise)) {
      return decodePromise.then(function () {
        return texture;
      });
    }

    return texture;
  });
}

function hasTransparency(pixels) {
  const pixelsLength = pixels.length / 4;