o oi@sddlmZddlmZddlmZddlmZddlZddl Z ddl Z ddl m Z m Z ddlmZddlmZmZGd d d eZd+ddZd,ddZd,ddZejdfd-ddZd.d"d#Zd/d$d%Zd/d&d'Zd0d1d)d*ZdS)2) annotations)Enum)Path)AnyN)DeviceTensor) KORNIA_CHECK)image_to_tensortensor_to_imagec@s(eZdZdZdZdZdZdZdZdZ dS) ImageLoadTypez'Enum to specify the desired image type.rN) __name__ __module__ __qualname____doc__ UNCHANGEDGRAY8RGB8RGBA8GRAY32RGB32rr@/home/ubuntu/.local/lib/python3.10/site-packages/kornia/io/io.pyr !sr path_filerdevicerreturnrcCsf|jdvrtt|}ntt|}t|dd}t|tj s&|dur(|nt |}|j |dS)aBRead an image file and decode using the Kornia Rust backend. The decoded image is returned as numpy array with shape HxWxC. Args: path_file: Path to a valid image file. device: the device where you want to get your image placed. Return: Image tensor with shape :math:`(3,H,W)`. .jpg.jpegT)keepdimN)r) suffixlower kornia_rsread_image_jpegturbostrread_image_anyr isinstancetorchrto)rrimgimg_tdevrrr_load_image_to_tensor,s  " r0imagecCst|jtjk|dS)z#Convert an image tensor to float32.o@)rdtyper+uint8floatr1rrr _to_float32Hs r7cCst|jtjk|dS)z!Convert an image tensor to uint8.r2)rr3r+float32mulbyter6rrr _to_uint8Nsr;cpu str | Path desired_typec CsPt|ts t|}t||}|tjkr|S|tjkr\|jddkr)|jtj kr)|S|jddkr>|jtj kr>t j |}|S|jddkr[|jtj kr[t j t j t|}t|Sn|tjkr|jddkrp|jtj krp|S|jddkr|jtj krt j |}|Sn|tjkr|jddkr|jtj krt j t|d}t|Sn{|tjkr|jddkr|jtj krt|S|jddkr|jtj krt j t|}|S|jddkr|jtj krt j t j t|}|Sn2|tjkr!|jddkr|jtj krt|S|jddkr!|jtj kr!t j t|}|Std|)aNRead an image file and decode using the Kornia Rust backend. Args: path_file: Path to a valid image file. desired_type: the desired image type, defined by color space and dtype. device: the device where you want to get your image placed. Return: Image tensor with shape :math:`(3,H,W)`. rr rrgzUnknown type: )r*rr0r rrshaper3r+r4korniacolorrgb_to_grayscale rgba_to_rgbr7r;rgrayscale_to_rgbr rgb_to_rgbarrNotImplementedError) rr>rr1gray8gray32rgb8rgba32rgb32rrr load_imageTsX          rLimg_nprqualityintNonecCs|jdvr)|jdks|jdkr|jddkrdnd}tjt||||ddS|jd krQ|jdksA|jdkrC|jddkrCdnd}tjt|||d dS|jd kry|jdksi|jdkrk|jddkrkdnd}tjt|||d dSt d |jd )zWrite uint8 image to file.r r rr monorgb)moderN.pngrT.tiffUnsupported file extension: z for uint8 imageN) r$r%ndimr?r&write_image_jpegr(write_image_png_u8write_image_tiff_u8rF)rrMrNrTrrr_write_uint8_images***r]cCs|jdks|jdkr|jddkrdnd}|jdkr(tjt|||dd S|jd kr;tjt|||dd Std |jd ) zWrite uint16 image to file.r rrQr rRrSrUrVrWrXz for uint16 imageN) rYr?r$r%r&write_image_png_u16r(write_image_tiff_u16rFrrMrTrrr_write_uint16_images *racCsb|jdks|jdkr|jddkrdnd}|jdkr(tjt|||dd Std |jd ) zWrite float32 image to file.r rrQr rRrSrWrVrXz for float32 imageN)rYr?r$r%r&write_image_tiff_f32r(rFr`rrr_write_float32_images*rcPcCst|ts t|}t|jdvd|dt|dkd|jdt|ddd}|jdkr3|d }|jt j krAt |||d S|jt j krNt ||d S|jt jkr[t||d Std |j) aMSave an image file using the Kornia Rust backend. Args: path_file: Path to a valid image file. image: Image tensor with shape :math:`(3,H,W)`, `(1,H,W)` and `(H,W)`. quality: The quality of the JPEG encoding. If the file extension is .png or .tiff, the quality is ignored. Return: None. )r!r"rUrWzInvalid file extension: z1, only .jpg, .jpeg, .png and .tiff are supported.r zInvalid image shape: z. Must be at least 2D.T)r#force_contiguous).NzUnsupported image dtype: N)r*rrr$dimr?r rYr3r+r4r]uint16rar8rcrF)rr1rNrMrrr write_images"      rh)rrrrrr)r1rrr)rr=r>r rrrr)rrrMrrNrOrrP)rrrMrrrP)rd)rr=r1rrNrOrrP) __future__renumrpathlibrtypingrr&r+r@ kornia.corerrkornia.core.checkr kornia.utilsr r r r0r7r;rrLr]rarcrhrrrrs(        @