U
    '1e$-                     @   s8  d Z dZddlmZmZmZ ddlmZmZm	Z	m
Z
mZmZ ddlZddlmZmZmZmZmZmZ ddlmZ ddlmZ d	d
 Zdd Zdd Zdd ZdZeed Zd1ddZ d2ddZ!d3ddZ"dd Z#dd Z$d4d d!Z%d5d"d#Z&G d$d% d%Z'd&d' Z(d(d) Z)d6d+d,Z*G d-d. d.Z+G d/d0 d0e,Z-dS )7z3.3.0zUtilities used here and there.    )mktimegmtimestrftime)log10pifloorsincoshypotN)transformPointsinverseEllipseGroupStringnumericXShift)flatten)stringWidthc                 C   s>   dgd }t tt| d\}}}|||g|dd< t|S )zNConvert a 'dd/mm/yyyy' formatted string to a tuple for use in the time module.r   	   /N   )listmapintsplittuple)
timeStringLddmmZyyyy r   C/tmp/pip-unpacked-wheel-109iniqw/reportlab/graphics/charts/utils.pymkTimeTuple   s    
r!   c                 C   s   t t| S )z?Convert a number of seconds since the epoch into a date string.)r   r!   )r   r   r   r    str2seconds   s    r"   c                 C   s   t dt| S )zAConvert a date string into the number of seconds since the epoch.z%Y-%m-%d)r   r   )secondsr   r   r    seconds2str   s    r$   c                 C   s   | dkr| S | dk r"dt |   S tt| }|dkrJ| dk rDd}qhd}n|dk r`d|d  }nd| }|| krx|d S |d | kr|d	 S |d
 | kr|d S |d S dS )a[  Return the first 'nice round number' greater than or equal to x

    Used in selecting apropriate tick mark intervals; we say we want
    an interval which places ticks at least 10 points apart, work out
    what that is in chart space, and ask for the nextRoundNumber().
    Tries the series 1,2,5,10,20,50,100.., going up or down as needed.
    )r      r   g      r%   皙?g      ?      $@   g       @   g      @N)nextRoundNumberr   r   )xZlgbaser   r   r    r*   #   s&    
r*   )r&   g?g      ?      ?r%   r)   c           
      C   s  | |kr<| |kr4| dkr"d} d}q<d|  } d| }nt d||  t| }|dkrt|dk sd|dkrtdtt| pvd}|}|| }|td	 krq|d }q|d}|t| kr|d }qt| | }| | }t||dk  }	||	 }||	|  }|| }|dkr||kr6d
}|}n"|dk r6| }| |kr6|}d}||krN|| krNql|d }|tkrd}|d }q|||| | | | fS )z>determine tick parameters for range [lo, hi] using I intervalsr   gr&   g?g?zlo>hir%   
   g        )
ValueErrorfloatr   r   
_intervalsr   _j_max)
lohiIr+   bajssnlr   r   r    find_intervalK   sP    
, 
 




 
r=      r)            r   c           	      C   s   |r>t | |d | }t ||\}}|dkr4|d }|| }nz|d  W n2 tk
r|   ttd|d t|d d}Y nX d}|D ]6}t| ||}|d |k r|d d \}}}|d }q|||fS )Nr   :0yE>r%   r(   r   g)divmod	TypeErrorrangemaxr=   )	lowerupperr;   gridtr5   zwir   r   r    find_good_gridz   s"     
$
rO   c                 C   sj  t | |||\}}}tt|}	|	dkr,d}	|d|	  }
t|
|
k}
|	dksT|	dk rjdt|
d  d }nR|	dkrt|	|
 }d	t| d
 }n,|
t|	 }d	t|d  d t| d }|r|d }g }tt|| | d d }|r0g }t|D ],}|||  }|| ||||   q||fS t|D ](}|||  }|||||  f q8|S dS )z
    return tick positions and labels for range lower<=x<=upper
    n=number of intervals to try (can be a list or sequence)
    split=1 return ticks then labels else (tick,label) pairs
    r   r%   r'   r   z%+rA   z.0e%z.0fr(   .fz%%r&   N)rO   r   r   r   reprr1   rF   append)rH   rI   r;   r   percentrJ   ZlabelVOffsetrK   r5   powerrM   formatdigitsTlabelsrN   vr   r   r    ticks   s8       
r]   c                    s   t  }d  krd}||k r2 | d kr2|d7 }q||kr> S |d } | d kr\|d8 }qF|d7 }|sl|rx ||   fddtt  D }|D ]$}d |d   |d     |< q|| fS d| fS )Nr   r%   c                    s   g | ]} | d kr|qS Nr   .0rN   datar   r    
<listcomp>   s      zfindNones.<locals>.<listcomp>r-   )lenrF   )rb   mr7   r<   r6   rN   r   ra   r    	findNones   s$    
 
 "
rf   c                 C   sh   dd | D }t |\}}}t|}|s8||k s8||krd|sD||k rP| || } dd t| |D } | S )Nc                 S   s   g | ]}|d  qS r%   r   r`   r+   r   r   r    rc      s     z pairFixNones.<locals>.<listcomp>c                 S   s   g | ]\}}|d  |fqS r   r   )r`   r+   yr   r   r    rc      s     )rf   rd   zip)pairsYr7   r<   ZnYre   r   r   r    pairFixNones   s     rn   r@   c                    s<   d  d g     fddt t d D   S )Nr%   r   c                    s(   g | ] }t t | |  qS r   )r1   sumr_   rb   r;   r   r    rc      s     zmaverage.<locals>.<listcomp>)rF   rd   rp   r   rp   r    maverage   s    "rq   c                 C   s$   dd t | tdd | D |D S )Nc                 S   s   g | ]\}}|d  |fqS ri   r   )r`   r+   sr   r   r    rc      s     z pairMaverage.<locals>.<listcomp>c                 S   s   g | ]}|d  qS rg   r   rh   r   r   r    rc      s     )rk   rq   rp   r   r   r    pairMaverage   s    rs   c                   @   sj   e Zd ZdZdgfddZdd Zdd Zd	d
 Zedd Z	edd Z
edd Zdd Zdd ZdS )DrawTimeCollectorzi
    generic mechanism for collecting information about nodes at the time they are about to be drawn
    Zgifc                 C   s(   t  | _|   d | _|| _d| _d S )NF)weakrefWeakKeyDictionary_nodesclear_pmcanvformatsdisabled)selfrz   r   r   r    __init__   s
    
zDrawTimeCollector.__init__c                 C   s   g | _ | j j| _d S r^   )_inforU   _info_appendr|   r   r   r    rx      s    zDrawTimeCollector.clearc                 O   s   |||f| j |< | |jd< d S )NZ_drawTimeCallback)rw   __dict__)r|   funcnodeargskwdsr   r   r    record   s    zDrawTimeCollector.recordc                 C   sF   | j |d }|rB|\}}}||||f||}|d k	rB| | d S r^   )rw   getr   )r|   r   canvasrendererr   r   r   rN   r   r   r    __call__   s    
 zDrawTimeCollector.__call__c           
      K   s\   t |dd }|sd S | j}| j}|| j }|| j }| }	t|||f||ff|	d< |	S )NctmZrect)getattrr+   rj   widthheightcopyrt   transformAndFlatten)
r   r   r   r   Ax1y1Zx2y2Dr   r   r    rectDrawTimeCallback   s     

z&DrawTimeCollector.rectDrawTimeCallbackc                 C   s*   t | dkrt| }t||}t t|S )z transform an flatten a list of points
        A   transformation matrix
        p   points [(x0,y0),....(xk,yk).....]
        )r%   r   r   r%   r   r   )r   r   r   r   )r   pZiAr   r   r    r      s    
z%DrawTimeCollector.transformAndFlattenc                 C   s"   | j sdd l}|dd| _ | j S )Nr   r%   )ry   renderPMZPMCanvas)r|   r   r   r   r    pmcanv	  s    zDrawTimeCollector.pmcanvc                    s   t |dd }|sd S t|trR| j}||j|j|j|j |j	 dd  D  n(|
 j  fddtdt dD  | }| | |d< |S )Nr   c                 S   s   g | ]}|d  |d fqS )r%   r(   r   rh   r   r   r    rc     s     z;DrawTimeCollector.wedgeDrawTimeCallback.<locals>.<listcomp>c                    s    g | ]} |  |d   fqS rg   r   r_   r   r   r    rc     s     r   r(   Zpoly)r   
isinstancer   r   ZellipseZcxcyrxZryZvpathZ	asPolygonZpointsrF   rd   r   r   )r|   r   r   r   r   r   cr   r   r   r    wedgeDrawTimeCallback  s     

z'DrawTimeCollector.wedgeDrawTimeCallbackc                 C   s8   ddl }t|d d}z| | j| W 5 |  X dS )z
        save the current information known to this collector
        fnroot is the root name of a resource to name the saved info
        override this to get the right semantics for your collector
        r   Nz.default-collector.outrM   )pprintopencloser~   )r|   Zfnrootr   rS   r   r   r    save   s
    zDrawTimeCollector.saveN)__name__
__module____qualname____doc__r}   rx   r   r   staticmethodr   r   propertyr   r   r   r   r   r   r    rt      s   



rt   c                 C   s"   | \}}|\}}t || || S )z"return distance between two points)r
   )Zxxx_todo_changemeZxxx_todo_changeme1Zx0Zy0r   r   r   r   r    xyDist-  s    r   c                 C   sh  | \}}|\}}|\}}	|\}
}||f}|| || f}||	f}|
| ||	 f}t |d |d  |d |d   }|d |d  |d |d  f}|d |d  |d |d   }|d |d  |d |d   }t|dk rt|dk rdS d S || }|| }d|  krdkrdn nDd|  kr8dkrdn n(|d ||d   |d ||d   fS d S )Nr   r%   rC   Z	collinear)r1   abs)Zxxx_todo_changeme2Zxxx_todo_changeme3Zxxx_todo_changeme4Zxxx_todo_changeme5Zx00Zy00Zx01Zy01Zx10Zy10Zx11Zy11r   rqrr   rsZqpZqprZqpsrK   ur   r   r    lineSegmentIntersect3  s(    $    8r   startc
                 C   sR  |s
t  }|d; }td }
||
 }t|||}|r6dp8d}|d }|d }|	dkr|	dkrp||d|  | 7 }nH|	d	kr||t| | 7 }n*|	d
kr||tt|	||||d | 7 }|D ]}t|||}t|| }t  }|tdd|||dd || t||  |t	||   |
|||  |
 |  || ||| 8 }q|S )z%make a group with circular text in itih     r/   r%   r-   Z   r   ZmiddleendnumericNr   )fontNamefontSize
textAnchor)r   r   r   r1   r   addr   	translater	   r   rotate)r+   rj   ZradiusZangletextr   r   ZinsideGr   Zpi180phir   sigZhsigZsig90letterbetahr   r   r    makeCircularStringP  s4     "$
r   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	CustomDrawChangerz9
    a class to simplify making changes at draw time
    c                 C   s
   d | _ d S r^   )storer   r   r   r    r}   t  s    zCustomDrawChanger.__init__c                 C   sb   |r.|  || _t| jts^td| jj n0| jd k	r^| j D ]\}}t||| qBd | _d S )Nz5%s.changer should return a dict of changed attributes)	_changerr   r   dictAssertionError	__class__r   itemssetattr)r|   Zchangeobjr8   r\   r   r   r    r   w  s    
zCustomDrawChanger.__call__c                 C   s   t ddS )z
        When implemented this method should return a dictionary of
        original attribute values so that a future self(False,obj)
        can restore them.
        zAbstract method _changer calledN)RuntimeError)r|   r   r   r   r    r     s    zCustomDrawChanger._changerN)r   r   r   r   r}   r   r   r   r   r   r    r   p  s   	r   c                   @   s   e Zd ZdddZdS )FillPairedDatar   c                 C   s   t | | || _d S r^   )r   r}   other)r|   r\   r   r   r   r    r}     s    zFillPairedData.__init__N)r   )r   r   r   r}   r   r   r   r    r     s   r   )r)   )r>   N)r>   r%   r   Nr   )r@   )r@   )r   Nr   ).__version__r   timer   r   r   mathr   r   r   r   r	   r
   ru   Zreportlab.graphics.shapesr   r   r   r   r   r   Zreportlab.lib.utilsr   Zreportlab.pdfbase.pdfmetricsr   r!   r"   r$   r*   r2   rd   r3   r=   rO   r]   rf   rn   rq   rs   rt   r   r   r   r   r   r   r   r   r   r    <module>   s4     	&
/
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&	

V
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