o
    ef                     @  s   d Z ddlmZ ddlmZmZmZmZ ddlm	Z	 dZ
	 dd Zd	d
 Zdd Zdd Zdd ZeeeeegZ	 G dd dZG dd deZdS )z
Stuff to translate curve segments to palette values (derived from
the corresponding code in GIMP, written by Federico Mena Quintero.
See the GIMP distribution for more information.)
    )annotations)logpisinsqrt   )o8g|=c                 C  sL   || kr| t k r
dS d| |  S ||  }d|  } | t k rdS dd| |   S )Ng              ?      ?)EPSILONmiddlepos r   G/var/www/html/venv/lib/python3.10/site-packages/PIL/GimpGradientFile.pylinear   s   r   c                 C  s   |t dt t| t  S )Nr	   )r   maxr   r   r   r   r   curved.      r   c                 C  s$   t t d tt| |  d d S )Ng       @r
   )r   r   r   r   r   r   r   sine2   s   $r   c                 C  s   t dt| |d d  S Nr
      r   r   r   r   r   r   sphere_increasing6   r   r   c                 C  s   dt dt| |d   S r   r   r   r   r   r   sphere_decreasing:   r   r   c                   @  s   e Zd ZdZdddZdS )GradientFileN   c                 C  sp  g }d}| j | \}}}}}}	t|D ]}
|
|d  }||k r2|d7 }| j | \}}}}}}	||k s|| }|tk r@|	dd}n|	|| | || | }ttd|d |d  | |d   d }ttd|d |d  | |d   d }ttd|d |d  | |d   d }ttd|d |d  | |d   d }||| | |  qd|dfS )	Nr   r   r	      r          RGBA)gradientranger   r   intappendjoin)selfentriespaletteixx0x1xmrgb0rgb1segmentixwscalergbar   r   r   
getpaletteE   s&   ,,,,zGradientFile.getpalette)r   )__name__
__module____qualname__r!   r8   r   r   r   r   r   B   s    r   c                   @  s   e Zd ZdZdd ZdS )GimpGradientFilez(File handler for GIMP's gradient format.c              	   C  s   |  d d dkrd}t||  }|dr|   }t|}g }t|D ]O}|   }dd |d d D }|d |d	 }	}
|d
 }|dd }|dd }tt|d  }t|d }|dkrmd}t||	|	|
||||f q)|| _
d S )N   s   GIMP Gradientznot a GIMP gradient files   Name: c                 S  s   g | ]}t |qS r   )float).0r1   r   r   r   
<listcomp>y   s    z-GimpGradientFile.__init__.<locals>.<listcomp>   r   r   r   r         zcannot handle HSV colour space)readlineSyntaxError
startswithstripr#   r"   splitSEGMENTSOSErrorr$   r!   )r&   fpmsglinecountr!   r0   sr2   r*   r+   r,   r-   r.   r/   cspacer   r   r   __init__h   s,   

zGimpGradientFile.__init__N)r9   r:   r;   __doc__rQ   r   r   r   r   r<   e   s    r<   N)rR   
__future__r   mathr   r   r   r   _binaryr   r   r   r   r   r   r   rI   r   r<   r   r   r   r   <module>   s   #