extension = 'json'

build_per_ratio = True

@classmethod

def populate_argument_parser(cls, parser):

group = parser.add_argument_group("JSON format options")

group.add_argument("--json",

dest="json_dir",

nargs='?',

const=True,

default=os.environ.get('GLUE_JSON', False),

metavar='DIR',

help="Generate JSON files and optionally where")

group.add_argument("--json-format",

dest="json_format",

metavar='NAME',

type=unicode,

default=os.environ.get('GLUE_JSON_FORMAT', 'array'),

choices=['array', 'hash'],

help=("JSON structure format (array, hash)"))

def get_context(self, *args, **kwargs):

context = super(JSONFormat, self).get_context(*args, **kwargs)

frames = OrderedDict([[i['filename'], {'filename': i['filename'],

'frame': {'x': i['x'],

'y': i['y'],

'w': i['width'],

'h': i['height']},

'rotated': False,

'trimmed': False,

'spriteSourceSize': {'x': i['x'],

'y': i['y'],

'w': i['width'],

'h': i['height']},

'sourceSize': {'w': i['original_width'],

'h': i['original_height']}}] for i in context['images']])

data = OrderedDict(frames=None, meta={'version': context['version'],

'hash': context['hash'],

'name': context['name'],

'sprite_path': context['sprite_path'],

'sprite_filename': context['sprite_filename'],

'width': context['width'],

'height': context['height']})

if self.sprite.config['json_format'] == 'array':

data['frames'] = frames.values()

else:

data['frames'] = frames