sail.BMImage
____________

\_\_init\_\_
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

**Interface:**
    .. code-block:: python

        def __init__(self)


        def __init__(self, 
                    handle: sail.Handle, 
                    h: int, 
                    w: int, 
                    format: bm_image_format_ext, 
                    dtype: sail.bm_image_data_format_ext)

**Parameters**

* handle : sail.Handle

Handle instance

* h: int

The height of img

* w: int

The width of img

* format : bm_image_format_ext

The format of img

* dtype: sail.bm_image_data_format_ext

The data type of img


width
>>>>>>>>>>>

Get the img width.

**Interface:**
    .. code-block:: python

        def width(self)-> int

**Returns**

* width : int

The width of img


height
>>>>>>>>>>>>>>>>>

Get the img height.

**Interface:**
    .. code-block:: python

        def height(self)-> int

**Returns**

* height : int

The height of img


format
>>>>>>>>>>>>>>>>>
Get the img format.

**Interface:**
    .. code-block:: python

        def format(self)-> bm_image_format_ext

**Returns**

* format : bm_image_format_ext

The format of img


dtype
>>>>>>>>>>>>>

Get the img dtype.

**Interface:**
    .. code-block:: python

        def dtype(self)-> bm_image_data_format_ext

Returns

* dtype: bm_image_data_format_ext

The data type of img


data
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Get inner bm_image.  

**Interface:**
    .. code-block:: python
        
        def data(self)-> bm_image

**Returns**

* img : bm_image

the data of img


get_device_id
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Get device id of this image.

**Interface:**
    .. code-block:: python

        def get_device_id(self)-> int
            
**Returns**

* device_id : int   

tpu ids of this image.


asmat
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Convert to cv Mat

**Interface:**
    .. code-block:: python

        def asmat(self)-> numpy.ndarray[numpy.uint8]    
            
**Returns**

* image : numpy.ndarray[numpy.uint8]    

only support uint8


get_plane_num
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Get plane number of this image

**Interface:**
    .. code-block:: python

        def get_plane_num(self)  -> int: