DownscaleFilter.apply() - Code Metrics - Inspection of "Merge pull request #15 from FlaskGuys/DownscaleFil..." - FlaskGuys/Flask-Imagine - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( bd7cd3...03f7c2 )

by Dmitry

created 2016-04-12 23:33 UTC

DownscaleFilter.apply() B

↳ Parent: DownscaleFilter

Complexity

Conditions

Size

Total Lines

Duplication

Lines	24
Ratio	100 %

Metric	Value
cc	5
dl	24
loc	24
rs	8.1671

"""
This module implement a Downscale filter.
"""
from .interface import ImagineFilterInterface
from PIL import Image


class DownscaleFilter(ImagineFilterInterface):

    """
    Downscale filter
    """
    size = None

    def __init__(self, **kwargs):
        """
        :param kwargs: dict
        """
        if 'max' in kwargs and isinstance(kwargs['max'], list) and len(kwargs['max']) == 2:
            self.size = kwargs.get('max')
        else:
            raise ValueError('Unsupported configuration')

    def apply(self, resource):
        """
        Apply filter to resource.
        :param resource: Image
        :return: Image
        """
        if not isinstance(resource, Image.Image):
            raise ValueError('Unsupported resource format: %s' % str(type(resource)))

        original_width, original_height = resource.size

        if original_width > self.size[0] or original_height > self.size[1]:
            k = original_width / float(original_height)

            if original_width >= original_height:
                target_width = self.size[0]
                target_height = int(target_width / k)
            else:
                target_height = self.size[1]
                target_width = int(target_height * k)

            resource = resource.resize((target_width, target_height), Image.ANTIALIAS)

        return resource


1		"""
2		This module implement a Downscale filter.
3		"""
4		from .interface import ImagineFilterInterface
5		from PIL import Image
6
7
8	View Code Duplication	class DownscaleFilter(ImagineFilterInterface):
		0 ignored issues – show Duplication introduced 2016-04-12 23:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
9		"""
10		Downscale filter
11		"""
12		size = None
13
14		def __init__(self, **kwargs):
15		"""
16		:param kwargs: dict
17		"""
18		if 'max' in kwargs and isinstance(kwargs['max'], list) and len(kwargs['max']) == 2:
19		self.size = kwargs.get('max')
20		else:
21		raise ValueError('Unsupported configuration')
22
23		def apply(self, resource):
24		"""
25		Apply filter to resource.
26		:param resource: Image
27		:return: Image
28		"""
29		if not isinstance(resource, Image.Image):
30		raise ValueError('Unsupported resource format: %s' % str(type(resource)))
31
32		original_width, original_height = resource.size
33
34		if original_width > self.size[0] or original_height > self.size[1]:
35		k = original_width / float(original_height)
36
37		if original_width >= original_height:
38		target_width = self.size[0]
39		target_height = int(target_width / k)
40		else:
41		target_height = self.size[1]
42		target_width = int(target_height * k)
43
44		resource = resource.resize((target_width, target_height), Image.ANTIALIAS)
45
46		return resource
47

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DownscaleFilter.apply() B

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