CropFilter.apply() - Code Metrics - FlaskGuys/Flask-Imagine - Measure and Improve Code Quality continuously with Scrutinizer

CropFilter.apply() B
last analyzed 2016-04-25 23:32 UTC

↳ Parent: CropFilter

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	6
c	1
b	0
f	0
dl	0
loc	33
rs	7.5384

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


class CropFilter(ImagineFilterInterface):
    """
    Crop filter
    """
    start = None
    size = None

    def __init__(self, start, size):
        """
        :param start: list
        :param size: list
        """
        if isinstance(start, list) and len(start) == 2:
            self.start = start
        else:
            raise ValueError('Unknown start position.')

        if isinstance(size, list) and len(size) == 2:
            self.size = size
        else:
            raise ValueError('Unknown image size.')

    def apply(self, resource):
        """
        Apply filter to resource
        :param resource: Image
        :return: Image
        """
        if not isinstance(resource, Image.Image):
            raise ValueError('Unknown resource format')

        original_width, original_height = resource.size

        if self.start[0] < original_width or self.start[1] < original_height:
            left = self.start[0]
            upper = self.start[1]
        else:
            left = 0
            upper = 0

        right = self.start[0] + self.size[0]
        lower = self.start[1] + self.size[1]

        resource_format = resource.format
        resource = resource.crop(
            (
                left,
                upper,
                right if right < original_width else original_width,
                lower if lower < original_height else original_height
            )
        )
        resource.format = resource_format

        return resource


1			"""
2			This module implement a Crop filter.
3			"""
4			from .interface import ImagineFilterInterface
5			from PIL import Image
6
7
8			class CropFilter(ImagineFilterInterface):
9			"""
10			Crop filter
11			"""
12			start = None
13			size = None
14
15			def __init__(self, start, size):
16			"""
17			:param start: list
18			:param size: list
19			"""
20			if isinstance(start, list) and len(start) == 2:
21			self.start = start
22			else:
23			raise ValueError('Unknown start position.')
24
25			if isinstance(size, list) and len(size) == 2:
26			self.size = size
27			else:
28			raise ValueError('Unknown image size.')
29
30			def apply(self, resource):
31			"""
32			Apply filter to resource
33			:param resource: Image
34			:return: Image
35			"""
36			if not isinstance(resource, Image.Image):
37			raise ValueError('Unknown resource format')
38
39			original_width, original_height = resource.size
40
41			if self.start[0] < original_width or self.start[1] < original_height:
42			left = self.start[0]
43			upper = self.start[1]
44			else:
45			left = 0
46			upper = 0
47
48			right = self.start[0] + self.size[0]
49			lower = self.start[1] + self.size[1]
50
51			resource_format = resource.format
52			resource = resource.crop(
53			(
54			left,
55			upper,
56			right if right < original_width else original_width,
57			lower if lower < original_height else original_height
58			)
59			)
60			resource.format = resource_format
61
62			return resource
63

FlaskGuys / Flask-Imagine

GitHub Access Token became invalid

CropFilter.apply() B last analyzed 2016-04-25 23:32 UTC

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like

CropFilter.apply() B
last analyzed 2016-04-25 23:32 UTC