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Name
Size
Permission
Action
BdfFontFile.cpython-310.pyc
2.37
KB
-rw-r--r--
_binary.cpython-310.pyc
2.48
KB
-rw-r--r--
BlpImagePlugin.cpython-310.pyc
10.19
KB
-rw-r--r--
BmpImagePlugin.cpython-310.pyc
6.71
KB
-rw-r--r--
BufrStubImagePlugin.cpython-310.pyc
1.59
KB
-rw-r--r--
ContainerIO.cpython-310.pyc
2.75
KB
-rw-r--r--
CurImagePlugin.cpython-310.pyc
1.28
KB
-rw-r--r--
DcxImagePlugin.cpython-310.pyc
1.77
KB
-rw-r--r--
DdsImagePlugin.cpython-310.pyc
5.74
KB
-rw-r--r--
EpsImagePlugin.cpython-310.pyc
7.4
KB
-rw-r--r--
ExifTags.cpython-310.pyc
10.75
KB
-rw-r--r--
features.cpython-310.pyc
8.33
KB
-rw-r--r--
FitsStubImagePlugin.cpython-310.pyc
2.1
KB
-rw-r--r--
FliImagePlugin.cpython-310.pyc
3.54
KB
-rw-r--r--
FontFile.cpython-310.pyc
2.27
KB
-rw-r--r--
FpxImagePlugin.cpython-310.pyc
3.51
KB
-rw-r--r--
FtexImagePlugin.cpython-310.pyc
3.36
KB
-rw-r--r--
GbrImagePlugin.cpython-310.pyc
1.79
KB
-rw-r--r--
GdImageFile.cpython-310.pyc
2.35
KB
-rw-r--r--
GifImagePlugin.cpython-310.pyc
18
KB
-rw-r--r--
GimpGradientFile.cpython-310.pyc
3.17
KB
-rw-r--r--
GimpPaletteFile.cpython-310.pyc
1.33
KB
-rw-r--r--
GribStubImagePlugin.cpython-310.pyc
1.59
KB
-rw-r--r--
Hdf5StubImagePlugin.cpython-310.pyc
1.58
KB
-rw-r--r--
IcnsImagePlugin.cpython-310.pyc
9.22
KB
-rw-r--r--
IcoImagePlugin.cpython-310.pyc
7.41
KB
-rw-r--r--
ImageChops.cpython-310.pyc
7.04
KB
-rw-r--r--
ImageCms.cpython-310.pyc
31.26
KB
-rw-r--r--
ImageColor.cpython-310.pyc
7.25
KB
-rw-r--r--
Image.cpython-310.pyc
94.4
KB
-rw-r--r--
ImageDraw2.cpython-310.pyc
5.21
KB
-rw-r--r--
ImageDraw.cpython-310.pyc
21.41
KB
-rw-r--r--
ImageEnhance.cpython-310.pyc
3.34
KB
-rw-r--r--
ImageFile.cpython-310.pyc
14.38
KB
-rw-r--r--
ImageFilter.cpython-310.pyc
15.55
KB
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ImageFont.cpython-310.pyc
40.85
KB
-rw-r--r--
ImageGrab.cpython-310.pyc
2.36
KB
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ImageMath.cpython-310.pyc
7.76
KB
-rw-r--r--
ImageMode.cpython-310.pyc
1.64
KB
-rw-r--r--
ImageMorph.cpython-310.pyc
7.01
KB
-rw-r--r--
ImageOps.cpython-310.pyc
15.62
KB
-rw-r--r--
ImagePalette.cpython-310.pyc
6.63
KB
-rw-r--r--
ImagePath.cpython-310.pyc
198
B
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ImageQt.cpython-310.pyc
4.53
KB
-rw-r--r--
ImageSequence.cpython-310.pyc
2.23
KB
-rw-r--r--
ImageShow.cpython-310.pyc
8.06
KB
-rw-r--r--
ImageStat.cpython-310.pyc
3.55
KB
-rw-r--r--
ImageTransform.cpython-310.pyc
3.35
KB
-rw-r--r--
ImageWin.cpython-310.pyc
7.86
KB
-rw-r--r--
ImImagePlugin.cpython-310.pyc
6.49
KB
-rw-r--r--
ImtImagePlugin.cpython-310.pyc
1.18
KB
-rw-r--r--
__init__.cpython-310.pyc
1.59
KB
-rw-r--r--
IptcImagePlugin.cpython-310.pyc
4.27
KB
-rw-r--r--
Jpeg2KImagePlugin.cpython-310.pyc
7.72
KB
-rw-r--r--
JpegImagePlugin.cpython-310.pyc
17.4
KB
-rw-r--r--
JpegPresets.cpython-310.pyc
7.69
KB
-rw-r--r--
__main__.cpython-310.pyc
187
B
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McIdasImagePlugin.cpython-310.pyc
1.3
KB
-rw-r--r--
MicImagePlugin.cpython-310.pyc
2.03
KB
-rw-r--r--
MpegImagePlugin.cpython-310.pyc
1.88
KB
-rw-r--r--
MpoImagePlugin.cpython-310.pyc
3.36
KB
-rw-r--r--
MspImagePlugin.cpython-310.pyc
2.94
KB
-rw-r--r--
PaletteFile.cpython-310.pyc
1.3
KB
-rw-r--r--
PalmImagePlugin.cpython-310.pyc
6.55
KB
-rw-r--r--
PcdImagePlugin.cpython-310.pyc
1.11
KB
-rw-r--r--
PcfFontFile.cpython-310.pyc
5.08
KB
-rw-r--r--
PcxImagePlugin.cpython-310.pyc
3.55
KB
-rw-r--r--
PdfImagePlugin.cpython-310.pyc
3.5
KB
-rw-r--r--
PdfParser.cpython-310.pyc
26.28
KB
-rw-r--r--
PixarImagePlugin.cpython-310.pyc
1.08
KB
-rw-r--r--
PngImagePlugin.cpython-310.pyc
28.47
KB
-rw-r--r--
PpmImagePlugin.cpython-310.pyc
2.92
KB
-rw-r--r--
PsdImagePlugin.cpython-310.pyc
5.25
KB
-rw-r--r--
PSDraw.cpython-310.pyc
5.65
KB
-rw-r--r--
PyAccess.cpython-310.pyc
9.75
KB
-rw-r--r--
SgiImagePlugin.cpython-310.pyc
3.83
KB
-rw-r--r--
SpiderImagePlugin.cpython-310.pyc
6.53
KB
-rw-r--r--
SunImagePlugin.cpython-310.pyc
1.81
KB
-rw-r--r--
TarIO.cpython-310.pyc
1.49
KB
-rw-r--r--
TgaImagePlugin.cpython-310.pyc
3.88
KB
-rw-r--r--
TiffImagePlugin.cpython-310.pyc
48.81
KB
-rw-r--r--
TiffTags.cpython-310.pyc
11.29
KB
-rw-r--r--
_tkinter_finder.cpython-310.pyc
633
B
-rw-r--r--
_util.cpython-310.pyc
910
B
-rw-r--r--
_version.cpython-310.pyc
160
B
-rw-r--r--
WalImageFile.cpython-310.pyc
2.79
KB
-rw-r--r--
WebPImagePlugin.cpython-310.pyc
6.84
KB
-rw-r--r--
WmfImagePlugin.cpython-310.pyc
3.33
KB
-rw-r--r--
XbmImagePlugin.cpython-310.pyc
1.98
KB
-rw-r--r--
XpmImagePlugin.cpython-310.pyc
2.14
KB
-rw-r--r--
XVThumbImagePlugin.cpython-310.pyc
1.36
KB
-rw-r--r--
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Code Editor : Jpeg2KImagePlugin.cpython-310.pyc
o Z#�a�( � @ s� d dl Z d dlZd dlZddlmZmZ G dd� d�Zdd� Zdd � Zd d � Z G d d � d ej�Z dd� Z dd� Z e� e je e � e�e je � e�e jg d�� e�e jd� dS )� N� )�Image� ImageFilec @ sJ e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )� BoxReaderz} A small helper class to read fields stored in JPEG2000 header boxes and to easily step into and read sub-boxes. ���c C s || _ |dk| _|| _d| _d S )Nr r )�fp� has_length�length�remaining_in_box)�selfr r � r �7/usr/lib/python3/dist-packages/PIL/Jpeg2KImagePlugin.py�__init__ s zBoxReader.__init__c C s6 | j r| j�� | | jkrdS | jdkr|| jkS dS )NFr T)r r �tellr r )r � num_bytesr r r � _can_read# s zBoxReader._can_readc C s` | � |�s td��| j�|�}t|�|k r"td|� dt|�� d���| jdkr.| j|8 _|S )NzNot enough data in headerzExpected to read z bytes but only got �.r )r � SyntaxErrorr �read�len�OSErrorr )r r �datar r r � _read_bytes- s � zBoxReader._read_bytesc C s t �|�}| �|�}t �||�S �N)�struct�calcsizer �unpack)r � field_format�sizer r r r � read_fields; s zBoxReader.read_fieldsc C s | j }| �|�}tt�|�|�S r )r r r �io�BytesIO)r r r r r r � read_boxes@ s zBoxReader.read_boxesc C s | j r| j�� | j | jk S dS )NT)r r r r r �r r r r � has_next_boxE s zBoxReader.has_next_boxc C s| | j dkr| j�| j tj� d| _ | �d�\}}|dkr&| �d�d }d}nd}||k s3| �|| �s7td��|| | _ |S ) Nr r z>I4sr z>Q� � zInvalid header length)r r �seek�os�SEEK_CURr r r )r �lbox�tbox�hlenr r r � next_box_typeK s zBoxReader.next_box_typeN)r ) �__name__� __module__� __qualname__�__doc__r r r r r" r$ r- r r r r r s r c C s* | � d�}t�d|�d }|| � |d � }t�d|�\ }}}}}}} } } } } dg| } dg| } dg| } t| �D ]}t�d|dd| �\| |< | |< | |< q:|| || f}| d krq| d d @ d krkd }||fS d }||fS | dkr{d}||fS | dkr�d}||fS | dkr�d}||fS d}||fS )z�Parse the JPEG 2000 codestream to extract the size and component count from the SIZ marker segment, returning a PIL (size, mode) tuple.� z>Hr z >HHIIIIIIIIHNz>BBB�$ � r � r& �I;16�L�LA�RGB� �RGBA)r r r � unpack_from�range)r �hdr�lsiz�siz�rsiz�xsiz�ysiz�xosiz�yosiz�_�csiz�ssiz�xrsiz�yrsiz�ir �moder r r �_parse_codestream` s: � * � ����rM c C s$ |dkrd| d| d| S dS )z�Convert JPEG2000's (numerator, denominator, exponent-base-10) resolution, calculated as (num / denom) * 10^exp and stored in dots per meter, to floating-point dots per inch.r � � i' Nr )�num�denom�expr r r � _res_to_dpi� s �rS c C s� t | �}d}d}|�� r,|�� }|dkr|�� }n|dkr(|�d�d dkr(d}|�� s d}d}d}d}d} |�� r�|�� }|dkrx|�d �\} } }}| | f}|d kr\|d @ d kr\d }nX|d krcd}nQ|dkrjd}nJ|dkrqd}nC|dkrwd}n<|dkr�|�� } | �� r�| �� } | dkr�| �d�\}}}}}}t|||�}t|||�}|dur�|dur�||f} n| �� s�|�� s:|du s�|du r�td��|||| fS )z�Parse the JP2 header box to extract size, component count, color space information, and optionally DPI information, returning a (size, mode, mimetype, dpi) tuple.Ns jp2hs ftypz>4sr s jpx z image/jpxs ihdrz>IIHBr r5 r& r6 r7 r2 r8 r4 r9 r: r; s res s rescz>HHHHBBzMalformed JP2 header)r r$ r- r" r rS r )r �reader�header�mimetyper+ r rL �bpc�nc�dpi�height�width�res�tres�vrcn�vrcd�hrcn�hrcd�vrce�hrce�hres�vresr r r �_parse_jp2_header� sb � � �� rf c sF e Zd ZdZdZdd� Ze� fdd��Zejdd� �Zdd � Z � Z S ) �Jpeg2KImageFile�JPEG2000zJPEG 2000 (ISO 15444)c C s\ | j �d�}|dkrd| _t| j �\| _| _n+|| j �d� }|dkr>d| _t| j �}|\| _| _| _}|d ur=|| jd< nt d��| j d u sL| jd u rPt d ��d | _ d | _ d }d }z | j � � }t�|�j}W n1 ty� d }z| j �� }| j �d tj� | j �� }| j �|� W n ty� d }Y nw Y nw d d | j d | j| j | j ||ffg| _d S )Nr: � �O�Q�j2kr& � jP � �jp2rY znot a JPEG 2000 filez unable to determine size/moder r �jpeg2k�r r )r r �codecrM �_sizerL rf �custom_mimetype�infor r �_reduce�layers�filenor( �fstat�st_size� Exceptionr r' r �SEEK_END�tile)r �sigrU rY �fdr �posr r r �_open� sP � ��� � �zJpeg2KImageFile._openc s | j pt� jS r )rs �super�reducer# �� __class__r r r� � s zJpeg2KImageFile.reducec C s || _ d S r )rs )r �valuer r r r� s c C s� | j rO| jrOd| j> }|d? }t| jd | | �t| jd | | �f| _| j d }|d d | j| j|d d |d d f}|d d| j |d |fg| _ tj�| �S )Nr r r4 r: rn r2 )rz rs �intr rp rt r �load)r �power�adjust�t�t3r r r r� s � * zJpeg2KImageFile.load) r. r/ r0 �format�format_descriptionr~ �propertyr� �setterr� � __classcell__r r r� r rg � s 0 rg c C s | d d� dkp| d d� dkS )Nr: ri � rk r )�prefixr r r �_accept s �r� c C s@ |� d�rd}nd}| j}|�dd �}|�dd �}|�dd �}|�dd�}|�d d �} | d urCt| ttf�r?td d � | D ��sCtd ��|�d d�} |�dd �} |�dd �} |�dd�} |�dd�}|�dd�}d}t|d�r�z|� � }W n t y d}Y nw ||||| | | | | |||f | _ t � | |dd| j d|fg� d S )N�.j2krj rl �offset� tile_offset� tile_size� quality_mode�rates�quality_layersc S s g | ] }t |ttf��qS r )� isinstancer� �float)�.0� quality_layerr r r � <listcomp>5 s ��z_save.<locals>.<listcomp>z,quality_layers must be a sequence of numbers�num_resolutionsr �codeblock_size� precinct_size� irreversibleF� progression�LRCP� cinema_mode�nor ru rm rn )�endswith� encoderinfo�getr� �list�tuple�all� ValueError�hasattrru rx � encoderconfigr �_saver )�imr �filename�kindrr r� r� r� r� r� r� � cblk_sizer� r� r� r� r| r r r r� $ s\ ���� ��"r� )z.jp2r� z.jpcz.jpfz.jpxz.j2cz image/jp2)r r( r � r r r rM rS rf rg r� r� � register_openr� � register_save�register_extensions� register_mimer r r r �<module> s" I"?P = �
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