Method openImage

examples/pframe/BitmapManager.cpp:167–176

 */

bool BitmapManager::openImage(uint32_t imageIndex,File*& file) {

  char buffer[30];

  strcpy(buffer,"/pframe/img/");
  StringUtil::itoa(imageIndex,buffer+12,10);
  strcat(buffer,".262");

  return _fsManager.getFileSystem().openFile(buffer,file);
}