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    \	a                     @   sp   d dl Z ddlmZmZmZ ddlmZmZmZm	Z	 ddl
mZmZ G dd de	eZejG dd	 d	eZdS )
    N   )cairoFigureCanvasCairoRendererCairo)QtCoreQtGui_BackendQT5FigureCanvasQT)QT_API_setDevicePixelRatioc                       s2   e Zd Zd fdd	Z fddZdd Z  ZS )	FigureCanvasQTCairoNc                    s.   t  j|d t| jj| _| jdd d S )N)figure)super__init__r   r   Zdpi	_rendererset_width_height)selfr   	__class__ H/tmp/pip-unpacked-wheel-wjyw_3jo/matplotlib/backends/backend_qt5cairo.pyr   	   s    zFigureCanvasQTCairo.__init__c                    s*   t | jjdr| j| j t   d S )Nctx)hasattrr   gcr   drawr   )r   r   r   r   r      s    zFigureCanvasQTCairo.drawc           	      C   s   | j }t||   }t||   }||f| j krpttj||}| j	| | j
|| | j| j | jjj  }t|||tjj}tdkrdtjt|_t|| t| }||  |dd| | | |   d S )NZPySider   r   )!Z
_dpi_ratiointwidthheightr   Zget_canvas_width_heightr   ZImageSurfaceZFORMAT_ARGB32Zset_ctx_from_surfacer   r   r   r   r   Z
get_targetget_datar   ZQImageZFormat_ARGB32_Premultipliedr
   ctypesc_longfrom_addressidvaluer   ZQPainterZ	eraseRectZrectZ	drawImageZ_draw_rect_callbackend)	r   eventZ	dpi_ratior   r   ZsurfacebufZqimageZpainterr   r   r   
paintEvent   s(    



zFigureCanvasQTCairo.paintEvent)N)__name__
__module____qualname__r   r   r(   __classcell__r   r   r   r   r      s   r   c                   @   s   e Zd ZeZdS )_BackendQT5CairoN)r)   r*   r+   r   ZFigureCanvasr   r   r   r   r-   +   s   r-   )r    Zbackend_cairor   r   r   Zbackend_qt5r   r   r   r	   Z	qt_compatr
   r   r   exportr-   r   r   r   r   <module>   s   #