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Completed
Push — master ( a354e5...02c1ae )
by Dmitry
58s
created

RotateFilter.apply()   A

↳ Parent: RotateFilter

Complexity

Conditions 2

Size

Total Lines 12

Duplication

Lines 0
Ratio 0 %
Metric Value
cc 2
dl 0
loc 12
rs 9.4285
1 
"""
2 
This module implement a Rotate filter.
3 
"""
4 
from PIL import Image
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from .interface import ImagineFilterInterface
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class RotateFilter(ImagineFilterInterface):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    Rotate filter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    angle = None

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def __init__(self, **kwargs):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        :param kwargs: dict

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        """

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if 'angle' in kwargs and isinstance(kwargs['angle'], (int, float)):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            self.angle = kwargs.get('angle', 0)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        else:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            raise ValueError('Unsupported angle format or angle doesn\'t set')

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    def apply(self, resource):

            


            
                                                        
            
                                    
            
            

                
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        """

            


            
                                                        
            
                                    
            
            

                
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        Apply filter to resource

            


            
                                                        
            
                                    
            
            

                
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        :param resource: Image

            


            
                                                        
            
                                    
            
            

                
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        :return: Image

            


            
                                                        
            
                                    
            
            

                
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        """

            


            
                                                        
            
                                    
            
            

                
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        if not isinstance(resource, Image.Image):

            


            
                                                        
            
                                    
            
            

                
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            raise ValueError('Unknown resource format')

            


            
                                                        
            
                                    
            
            

                
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        resource = resource.rotate(self.angle, expand=True)

            


            
                                                        
            
                                    
            
            

                
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        return resource

            


            
                                                        
            
                                    
            
            

                
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