Edit File: gradients.cpython-37.pyc
B ��] � @ st d Z ddlmZ ddlmZmZ ddlmZ G dd� de�ZG dd� deee�Z G d d � d e �Z G d d � d e �Z d S )a Gradients consist of continuously smooth color transitions along a vector from one color to another, possibly followed by additional transitions along the same vector to other colors. SVG provides for two types of gradients: linear gradients and radial gradients. � )� BaseElement)� Transform�XLink)� is_stringc s" e Zd ZdZd� fdd� Z� ZS )� _GradientStop�stopNc sF t t| �jf |� |d k r"|| d< |d k r2|| d< |d k rB|| d< d S )N�offsetz stop-colorz stop-opacity)�superr �__init__)�selfr �color�opacity�extra)� __class__� �C/opt/alt/python37/lib/python3.7/site-packages/svgwrite/gradients.pyr s z_GradientStop.__init__)NNN)�__name__� __module__� __qualname__� elementnamer � __classcell__r r )r r r s r c sL e Zd ZdZd� fdd� Zddd�Zddd �Zdd d �Z� fd d�Z� Z S )�_AbstractGradientZgradientTransformNc s@ t t| �jf |� |d k r<t|�r.| �|� n| �|�� � d S )N)r r r r Zset_hrefZget_iri)r �inheritr )r r r r % s z_AbstractGradient.__init__�nonec C s d| � � |f S )z( Returns the <FuncIRI> of the gradient. z%s %s)Z get_funciri)r �defaultr r r �get_paint_server- s z"_AbstractGradient.get_paint_serverc C s | � t|||| d�� | S )a: Adds a stop-color to the gradient. :param offset: is either a <number> (usually ranging from 0 to 1) or a `<percentage>` (usually ranging from 0% to 100%) which indicates where the gradient stop is placed. Represents a location along the gradient vector. For radial gradients, it represents a percentage distance from (fx,fy) to the edge of the outermost/largest circle. :param color: indicates what color to use at that gradient stop :param opacity: defines the opacity of a given gradient stop )�factory)�addr )r r r r r r r �add_stop_color1 s z _AbstractGradient.add_stop_color�g g �?c C sb t |d �}t |d �}|| t t|�d � }|}x(|D ] }| �t|d�||� ||7 }q:W | S )z� Add stop-colors from colors with linear offset distributuion from sweep[0] to sweep[1]. i.e. colors=['white', 'red', 'blue'] 'white': offset = 0.0 'red': offset = 0.5 'blue': offset = 1.0 r � � )�float�lenr �round) r ZcolorsZsweepr �start�end�deltar r r r r � add_colors? s z _AbstractGradient.add_colorsc s t | d�r| �� tt| ��� S )NZhref)�hasattrZ update_idr r �get_xml)r )r r r r* Q s z_AbstractGradient.get_xml)N)r )NNN)r N) r r r Z transformnamer r r r( r* r r r )r r r " s r c s& e Zd ZdZdZd� fdd� Z� ZS )�LinearGradientzE Linear gradients are defined by a SVG <linearGradient> element. ZlinearGradientNc s^ t t| �jf d|i|�� |dk r:|d | d< |d | d< |dk rZ|d | d< |d | d< dS ) z� :param 2-tuple start: start point of the gradient (**x1**, **y1**) :param 2-tuple end: end point of the gradient (**x2**, **y2**) :param inherit: gradient inherits properties from `inherit` see: **xlink:href** r Nr �x1r �y1Zx2�y2)r r+ r )r r% r& r r )r r r r \ s zLinearGradient.__init__)NNN)r r r �__doc__r r r r r )r r r+ W s r+ c s& e Zd ZdZdZd� fdd� Z� ZS )�RadialGradientzE Radial gradients are defined by a SVG <radialGradient> element. ZradialGradientNc sn t t| �jf d|i|�� |dk r:|d | d< |d | d< |dk rJ|| d< |dk rj|d | d< |d | d < dS ) a- :param 2-tuple center: center point for the gradient (**cx**, **cy**) :param r: radius for the gradient :param 2-tuple focal: focal point for the radial gradient (**fx**, **fy**) :param inherit: gradient inherits properties from `inherit` see: **xlink:href** r Nr Zcxr �cy�r�fxZfy)r r0 r )r �centerr2 Zfocalr r )r r r r q s zRadialGradient.__init__)NNNN)r r r r/ r r r r r )r r r0 l s r0 N) r/ Z svgwrite.baser Zsvgwrite.mixinsr r Zsvgwrite.utilsr r r r+ r0 r r r r �<module> s 5