o
    eK                     @   s   d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZ	 d dl
mZ d dlZd dlZd dlmZ d dlmZ d dlmZmZmZmZmZ d dlmZmZ dd Zdd
dZG dd dZG dd dZ dS )    N)patches)Image)CLASSIFICATION_MODELINSTANCE_SEGMENTATION_MODELOBJECT_DETECTION_MODELPREDICTION_OBJECTSEMANTIC_SEGMENTATION_MODEL)
mask_imagevalidate_image_pathc                 C   sd   t |  zt| }W n ty"   t| }tt|j}Y nw t	
 \}}|| ||fS )z
    Helper method to plot image

    :param image_path: path of image to be plotted (can be hosted or local)
    :return:
    )r
   r   openOSErrorrequestsgetioBytesIOcontentpltsubplotsimshow)
image_pathimgresponsefigureaxes r   G/var/www/myenv/lib/python3.10/site-packages/roboflow/util/prediction.py
plot_image   s   

r      <   c                 C   s|  |du ri n|}d}|d t krP|d | v r||d  }|durN|d }|d }|d }|d }	tj||d	  |	|d	  f||||d
d}
| |
 dS dS |d tkri| d|d  d t|d   dS |d tkr|d | v r}||d  }dd |d D }tj	|||d
d}| | dS |d t
kr|d }tt|}tj|dd}|d }| j||d dS dS )a2  
    Helper method to plot annotations

    :param axes: Matplotlib axes
    :param prediction: prediction dictionary from the Roboflow API
    :param stroke: line width to use when drawing rectangles and polygons
    :param transparency: alpha transparency of masks for semantic overlays
    :return:
    Nrprediction_typeclassheightwidthxy   none)	linewidth	edgecolor	facecolorClass: topz | Confidence: 
confidencec                 S   s   g | ]
}|d  |d gqS r$   r%   r   .0pr   r   r   
<listcomp>W   s    z#plot_annotation.<locals>.<listcomp>pointssegmentation_maskJPG)formatd   )alpha)r   keysr   	Rectangle	add_patchr   	set_titlestrr   Polygonr   r   r   base64	b64decodempimgimreadr   )r   
predictionstroketransparencycolorsstroke_colorr"   r#   r$   r%   rectr3   polygonencoded_mask
mask_bytesmaskr8   r   r   r   plot_annotation-   sF   	&rM   c                   @   sX   e Zd ZedfddZdd Zdd Zdd	d
ZdddZde	fddZ
dd Ze
ZdS )
PredictionNc                 C   s8   ||d< ||d< || _ || _|du ri | _dS || _dS )z
        Generalized Prediction for both Object Detection and Classification Models

        :param json_prediction:
        :param image_path:
        r   r    N)r   json_predictionrF   )selfrO   r   r    rF   r   r   r   __init__c   s
   zPrediction.__init__c                 C   s   | j S NrO   rP   r   r   r   jsonx   s   zPrediction.jsonc                 C   sL   d| j v r tj| j }tjt| tjd}t	
|d}|S t	| j S )Nhttp://dtype)r   urllibrequesturlopennpasarray	bytearrayreaduint8cv2imdecoderB   rP   reqarrimager   r   r   __load_image{   s   
zPrediction.__load_imager   c                 C   s:   t | d  t| d \}}t|| || jd t  d S )Nr   rF   )r
   r   rM   rF   r   show)rP   rD   _r   r   r   r   plot   s   zPrediction.plotpredictions.jpgr&   r   c              
   C   s  |   }d}| d tkr| d }| d }| d }| d }	| d }
|
| j v r,| j|
 }t|t||d  t||	d  ft||d  t||	d  f|| t|
tjd	d
d }t|||d  ||	d  d
 f||d  |d  d
 ||	d  td|d
   f|d tj	||
t||d  ||d
  ftjd	dd
d n| d t
kr| d | j v r| j| d  }|jdd \}	}||	d |	d|f }t|d }d}tj|||||tj|||gd}t	|| d d d | d  t|d dftjd|d
 nD| d tkr:dd | d D }tj|tjd}| d | j v r.| j| d  }tj||gd||d n| d tkrIt|| d |}t|| dS ) a  
        Annotate an image with predictions and save it

        :param output_path: filename to save the image as
        :param stroke: line width to use when drawing rectangles and polygons
        :param transparency: alpha transparency of masks for semantic overlays
           r   r   r    r$   r%   r#   r"   r!   r&   皙?r   r         ?rY   ro   ro   ro   	thicknessr,   Nr7   r,   bottomleftright
borderTypevalue | Confidence: r-      g      ?c                 S   $   g | ]}t |d  t |d gqS r.   intr/   r   r   r   r2         $ z#Prediction.save.<locals>.<listcomp>r3   rW   TisClosedcolorrt   r4   )_Prediction__load_imager   rF   r9   rb   	rectangler   getTextSizeFONT_HERSHEY_SIMPLEXputTextr   shapemeancopyMakeBorderBORDER_CONSTANTFONT_HERSHEY_DUPLEXr   r]   arrayint32	polylinesr   r	   imwrite)rP   output_pathrD   rE   rg   rG   r$   r%   r#   r"   
class_name	text_sizerv   r   border_sizer3   	np_pointsr   r   r   save   s   


	zPrediction.savereturnc                 C   s   t j| jdd}|S )z>
        :return: JSON formatted string of prediction
        r&   )indent)rU   dumpsrO   )rP   prediction_stringr   r   r   __str__   s   zPrediction.__str__c                 C   
   | j | S )z/

        :param key:
        :return:
        rS   )rP   keyr   r   r   __getitem__   s   
zPrediction.__getitem__r   )rm   r&   r   )__name__
__module____qualname__r   rQ   rU   r   rl   r   r=   r   r   __repr__r   r   r   r   rN   b   s    



^
rN   c                   @   sx   e Zd Zdd ZdddZdddZd	d
 ZdddZdd Zdd Z	dd Z
			dddZdd ZedddZdS )PredictionGroupc                 G   sb   g | _ || _d| _|| _t|D ]\}}|dkr"|d | _|d | _| j|d | j | qdS )zT
        :param args: The prediction(s) to be added to the prediction group
         r   r   r    )is_prediction_checkN)predictionsbase_image_pathbase_prediction_type
image_dims	enumerate!_PredictionGroup__exception_checkappend)rP   r   r   argsindexrC   r   r   r   rQ     s   

zPredictionGroup.__init__Nc                 C   sV   | j ||d d |  dkr| j |d d n|  dkr#|d | _| j| dS )zO

        :param prediction: Prediction to add to the prediction group
        r    )r   prediction_type_checkr   r   )image_path_checkN)r   __len__r   r   r   )rP   rC   r   r   r   add_prediction  s   
zPredictionGroup.add_predictionr   c                 C   sL   t | dkr t| j t| j\}}| D ]}t||||jd qt  d S )Nr   ri   )lenr
   r   r   rM   rF   r   rj   )rP   rD   rk   r   single_predictionr   r   r   rl   /  s   
zPredictionGroup.plotc                 C   sV   d| j v s
d| j v r%tj| j }tjt| tjd}t	
|d}|S t	| j S )NrV   zhttps://rW   rY   )r   rZ   r[   r\   r]   r^   r_   r`   ra   rb   rc   rB   rd   r   r   r   rh   8  s   zPredictionGroup.__load_imagerm   r&   c                 C   s|  |   }d}| jD ]+}| jtkr|d }|d }|d }|d }	|d }
t|t||d  t||	d  ft||d  t||	d  f|| t|
tjdd	d
 }t|t||d  t||	d  d	 ft||d  |d
  d	 t||	d  td|d	   f|d tj	||
t||d  t||	d  |d	  ftjddd	d q	| jt
kr|jd d \}	}d}d|d  d d t|d  }t|tjd	d	d
 }tj|||||tjg dd}|jd	 |d
  d }t	||t|t|d ftjd	dd	 q	| jtkr(dd |d D }tj|tjd}tj||gd||d q	| jtkr5t||d }q	t|| d S )Nrn   r$   r%   r#   r"   r!   r&   rp   r   r   rq   rY   rr   rs   r7   r+   r,   r{   r|   r-   ru   )r   r   r   c                 S   r~   r.   r   r/   r   r   r   r2     r   z(PredictionGroup.save.<locals>.<listcomp>r3   rW   Tr   r4   )_PredictionGroup__load_imager   r   r   rb   r   r   r   r   r   r   r   r=   FONT_HERSHEY_COMPLEXr   r   r   r]   r   r   r   r   r	   r   )rP   r   rD   rg   rG   rC   r$   r%   r#   r"   r   r   r   texttext_xr3   r   r   r   r   r   C  s   
"&
 
	zPredictionGroup.savec                 C   s$   d}| j D ]
}|t|d 7 }q|S )z

        :return:
        r   z

)r   r=   )rP   prediction_group_stringrC   r   r   r   r     s   
zPredictionGroup.__str__c                 C   r   rR   )r   )rP   r   r   r   r   r        
zPredictionGroup.__getitem__c                 C   s
   t | jS rR   )r   r   rT   r   r   r   r     r   zPredictionGroup.__len__c                 C   s   |d urt |jturtdt |j d |d ur3|  dkr3|| jkr3td| d | j d  |d urL| j|krNtd| d | j d  d S d S d S )	NzCannot add type z to PredictionGroupr   z%This prediction is a different type (z') than the prediction group base type ()z,This prediction has a different image path (z-) than the prediction group base image path ()	typer   r   	Exceptionr   r   warningswarnr   )rP   r   r   r   r   r   r   __exception_check  s>   	
z!PredictionGroup.__exception_checkc                 C   s4   dg i}| j D ]}|d |  q| j|d< |S )Nr   rg   )r   r   rU   r   )rP   prediction_group_jsonrC   r   r   r   rU     s
   

zPredictionGroup.jsonc                 C   s   |du ri n|}g }|t tfv r'| d D ]}t||||d}|| q|}n'|tkr;t| |||d}|| |}n|tkrNt| |||d}|| |}t||g|R  S )a  
        Method to create a prediction group based on the JSON Response

        :param prediction_type:
        :param json_response: Based on Roboflow JSON Response from Inference API
        :param model:
        :param image_path:
        :param image_dims:
        :return:
        Nr   )r    rF   ri   )r   r   rN   r   r   r   r   )json_responser   r    r   rF   prediction_listrC   img_dimsr   r   r   create_prediction_group  s*   

z'PredictionGroup.create_prediction_grouprR   r   )rm   r&   )NNN)r   r   r   rQ   r   rl   r   r   r   r   r   r   rU   staticmethodr   r   r   r   r   r      s     

	
\
!r   )Nr   r   N)!r?   r   rU   urllib.requestrZ   r   rb   matplotlib.imagerg   rA   matplotlib.pyplotpyplotr   numpyr]   r   
matplotlibr   PILr   roboflow.configr   r   r   r   r   roboflow.util.image_utilsr	   r
   r   rM   rN   r   r   r   r   r   <module>   s&    
5 