Function decodePng

lib/loadTexture.js:96–120

(texture, options)

}

function decodePng(texture, options) {
  // Color type is encoded in the 25th bit of the png
  const source = texture.source;
  const colorType = source[25];
  const channels = getChannels(colorType);

  const checkTransparency = channels === 4 && options.checkTransparency;
  const decode = options.decode || checkTransparency;

  if (decode) {
    return parsePng(source).then(function (decodedResults) {
      if (options.checkTransparency) {
        texture.transparent = hasTransparency(decodedResults.data);
      }
      if (options.decode) {
        texture.pixels = decodedResults.data;
        texture.width = decodedResults.width;
        texture.height = decodedResults.height;
        if (!options.keepSource) {
          texture.source = undefined; // Unload resources
        }
      }
    });
  }
}

function decodeJpeg(texture, options) {
  if (options.decode) {