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dddddddddddd dZd Zx"ej D ]ZeeereeB ZqW G dd dZG d d d ejZdCd d ZG d d! d!e Z e dd"d fd#d$Z d%d& Z e d fd'd(Z e eed) fd*d+Z!e Z"e!Z#dDd,d-Z$dFd.d/Z%d0d1 Z&d2d3 Z'd4d5 Z(d6d7 Z)d8d9 Z*d:d; Z+dd? Z-d@dA Z.dS )G N)Image) _imagingcms )deferred_erroraz
pyCMS
a Python / PIL interface to the littleCMS ICC Color Management System
Copyright (C) 2002-2003 Kevin Cazabon
kevin@cazabon.com
http://www.cazabon.com
pyCMS home page: http://www.cazabon.com/pyCMS
littleCMS home page: https://www.littlecms.com
(littleCMS is Copyright (C) 1998-2001 Marti Maria)
Originally released under LGPL. Graciously donated to PIL in
March 2009, for distribution under the standard PIL license
The pyCMS.py module provides a "clean" interface between Python/PIL and
pyCMSdll, taking care of some of the more complex handling of the direct
pyCMSdll functions, as well as error-checking and making sure that all
relevant data is kept together.
While it is possible to call pyCMSdll functions directly, it's not highly
recommended.
Version History:
1.0.0 pil Oct 2013 Port to LCMS 2.
0.1.0 pil mod March 10, 2009
Renamed display profile to proof profile. The proof
profile is the profile of the device that is being
simulated, not the profile of the device which is
actually used to display/print the final simulation
(that'd be the output profile) - also see LCMSAPI.txt
input colorspace -> using 'renderingIntent' -> proof
colorspace -> using 'proofRenderingIntent' -> output
colorspace
Added LCMS FLAGS support.
Added FLAGS["SOFTPROOFING"] as default flag for
buildProofTransform (otherwise the proof profile/intent
would be ignored).
0.1.0 pil March 2009 - added to PIL, as PIL.ImageCms
0.0.2 alpha Jan 6, 2002
Added try/except statements around type() checks of
potential CObjects... Python won't let you use type()
on them, and raises a TypeError (stupid, if you ask
me!)
Added buildProofTransformFromOpenProfiles() function.
Additional fixes in DLL, see DLL code for details.
0.0.1 alpha first public release, Dec. 26, 2002
Known to-do list with current version (of Python interface, not pyCMSdll):
none
z 1.0.0 pil @ i i i i i i @ i i c C s | d@ d> S )N r )nr r -/tmp/tmp5hum_rxs/lib64/python/PIL/ImageCms.py s r )Z MATRIXINPUTZ MATRIXOUTPUTZ
MATRIXONLYZNOWHITEONWHITEFIXUPZNOPRELINEARIZATIONZGUESSDEVICECLASSZNOTCACHEZ
NOTPRECALCZ
NULLTRANSFORMZHIGHRESPRECALCZ
LOWRESPRECALCZWHITEBLACKCOMPENSATIONZBLACKPOINTCOMPENSATIONZ
GAMUTCHECK SOFTPROOFINGZ
PRESERVEBLACKZNODEFAULTRESOURCEDEFZ
GRIDPOINTSc @ s& e Zd Zdd ZdddZdd ZdS ) ImageCmsProfilec C s t |tr~tjdkrj|j }y|jd W n> tk
rh t|d}| jt j
|j W dQ R X dS X | jt j || n@t
|dr| jt j
|j n t |tjr| j| ntddS )z
:param profile: Either a string representing a filename,
a file like object containing a profile or a
low-level profile object
win32asciirbNreadzInvalid type for Profile)
isinstancestrsysplatformencodedecodeUnicodeDecodeErroropen_setcoreZprofile_frombytesr Z profile_openhasattrr Z
CmsProfile TypeError)selfprofileZprofile_bytes_pathfr r r __init__ s
zImageCmsProfile.__init__Nc C s. || _ || _|r d | _d | _n d | _d | _d S )N)r% filenameZ product_nameZ product_info)r$ r% r( r r r r s zImageCmsProfile._setc C s t j| jS )z
Returns the profile in a format suitable for embedding in
saved images.
:returns: a bytes object containing the ICC profile.
)r! Zprofile_tobytesr% )r$ r r r tobytes s zImageCmsProfile.tobytes)N)__name__
__module__ __qualname__r' r r) r r r r r s
r c @ s< e Zd ZdZededfddZdd Zd dd Zd
d Z dS )
ImageCmsTransformz
Transform. This can be used with the procedural API, or with the standard
:py:func:`~PIL.Image.Image.point` method.
Will return the output profile in the ``output.info['icc_profile']``.
Nr c C sf |d kr$t j|j|j||||| _n t j|j|j|j|||||| _| | _| _| | _| _|| _ d S )N)
r! buildTransformr% transformbuildProofTransform
input_modeZ inputMode output_mode
outputModeoutput_profile) r$ inputoutputr1 r2 intentZproofZ proof_intentflagsr r r r' s zImageCmsTransform.__init__c C s
| j |S )N)apply)r$ imr r r point s zImageCmsTransform.pointc C sL |j |d kr"tj| j|jd }| jj|jj|jj | j j
|j d< |S )N icc_profile) loadr newr2 sizer/ r9 r: idr4 r) info)r$ r: imOutr r r r9 s zImageCmsTransform.applyc C sF |j |j| jkr td| jj|jj|jj | jj |j
d< |S )Nz
mode mismatchr< ) r= moder2
ValueErrorr/ r9 r: r@ r4 r) rA )r$ r: r r r apply_in_place s z ImageCmsTransform.apply_in_place)N)
r* r+ r, __doc__INTENT_PERCEPTUAL INTENT_ABSOLUTE_COLORIMETRICr' r; r9 rE r r r r r- s
r- c C sV t jdkrdS ddlm} t| |jr4tj| d}ntj| p>d}|dkrNdS t|S )z
(experimental) Fetches the profile for the current display device.
:returns: ``None`` if the profile is not known.
r Nr )ImageWinr ) r r PILrI r ZHDCr! Zget_display_profile_win32r )handlerI r% r r r get_display_profile s
rL c @ s e Zd ZdZdS )
PyCMSErrorzJ(pyCMS) Exception class.
This is used for all errors in the pyCMS API.N)r* r+ r, rF r r r r rM s rM Fc
C s |dkr| j }t|t s4d| ko,dkn rproof (simulated) transform
ImageCms.INTENT_PERCEPTUAL = 0 (DEFAULT)
ImageCms.INTENT_RELATIVE_COLORIMETRIC = 1
ImageCms.INTENT_SATURATION = 2
ImageCms.INTENT_ABSOLUTE_COLORIMETRIC = 3
see the pyCMS documentation for details on rendering intents and what
they do.
:param proofRenderingIntent: Integer (0-3) specifying the rendering intent
you wish to use for proof->output transform
ImageCms.INTENT_PERCEPTUAL = 0 (DEFAULT)
ImageCms.INTENT_RELATIVE_COLORIMETRIC = 1
ImageCms.INTENT_SATURATION = 2
ImageCms.INTENT_ABSOLUTE_COLORIMETRIC = 3
see the pyCMS documentation for details on rendering intents and what
they do.
:param flags: Integer (0-...) specifying additional flags
:returns: A CmsTransform class object.
:exception PyCMSError:
r r z2renderingIntent must be an integer between 0 and 3z)flags must be an integer between 0 and %sN) r rN rM rO r r- rP r# rD ) rQ rR Z proofProfilerX rY rS ZproofRenderingIntentr8 rU r r r r0 s, T&&
r0 c C sX y"|r|j | d}n
|j| }W n0 ttfk
rR } zt||W Y dd}~X nX |S )a
(pyCMS) Applies a transform to a given image.
If ``im.mode != transform.inMode``, a :exc:`PyCMSError` is raised.
If ``inPlace`` is ``True`` and ``transform.inMode != transform.outMode``, a
:exc:`PyCMSError` is raised.
If ``im.mode``, ``transform.inMode`` or ``transform.outMode`` is not
supported by pyCMSdll or the profiles you used for the transform, a
:exc:`PyCMSError` is raised.
If an error occurs while the transform is being applied,
a :exc:`PyCMSError` is raised.
This function applies a pre-calculated transform (from
ImageCms.buildTransform() or ImageCms.buildTransformFromOpenProfiles())
to an image. The transform can be used for multiple images, saving
considerable calculation time if doing the same conversion multiple times.
If you want to modify im in-place instead of receiving a new image as
the return value, set ``inPlace`` to ``True``. This can only be done if
``transform.inMode`` and ``transform.outMode`` are the same, because we can't
change the mode in-place (the buffer sizes for some modes are
different). The default behavior is to return a new :py:class:`~PIL.Image.Image`
object of the same dimensions in mode ``transform.outMode``.
:param im: An :py:class:`~PIL.Image.Image` object, and im.mode must be the same
as the ``inMode`` supported by the transform.
:param transform: A valid CmsTransform class object
:param inPlace: Bool. If ``True``, ``im`` is modified in place and ``None`` is
returned, if ``False``, a new :py:class:`~PIL.Image.Image` object with the
transform applied is returned (and ``im`` is not changed). The default is
``False``.
:returns: Either ``None``, or a new :py:class:`~PIL.Image.Image` object,
depending on the value of ``inPlace``. The profile will be returned in
the image's ``info['icc_profile']``.
:exception PyCMSError:
N)rE r9 r# rD rM )r: r/ rT rB rU r r r applyTransform^ s )
rZ c C s | d krt d| d| dkrfy t|}W n8 ttfk
rd } zt d| d|W Y dd}~X nX y tj| |S ttfk
r } zt ||W Y dd}~X nX dS )
aS
(pyCMS) Creates a profile.
If colorSpace not in ``["LAB", "XYZ", "sRGB"]``,
a :exc:`PyCMSError` is raised.
If using LAB and ``colorTemp`` is not a positive integer,
a :exc:`PyCMSError` is raised.
If an error occurs while creating the profile,
a :exc:`PyCMSError` is raised.
Use this function to create common profiles on-the-fly instead of
having to supply a profile on disk and knowing the path to it. It
returns a normal CmsProfile object that can be passed to
ImageCms.buildTransformFromOpenProfiles() to create a transform to apply
to images.
:param colorSpace: String, the color space of the profile you wish to
create.
Currently only "LAB", "XYZ", and "sRGB" are supported.
:param colorTemp: Positive integer for the white point for the profile, in
degrees Kelvin (i.e. 5000, 6500, 9600, etc.). The default is for D50
illuminant if omitted (5000k). colorTemp is ONLY applied to LAB
profiles, and is ignored for XYZ and sRGB.
:returns: A CmsProfile class object
:exception PyCMSError:
LABXYZsRGBz;Color space not supported for on-the-fly profile creation ()z$Color temperature must be numeric, "z " not validN)r[ r\ r] )rM floatr# rD r!
createProfile)Z
colorSpaceZ colorTemperU r r r r` s r` c C s ydt | tst| } | jj}| jj}|p*|s<| jjp6dd S | sNt|dkrV|d S | d| dS ttt t
fk
r } zt ||W Y dd}~X nX dS )a
(pyCMS) Gets the internal product name for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile,
a :exc:`PyCMSError` is raised If an error occurs while trying
to obtain the name tag, a :exc:`PyCMSError` is raised.
Use this function to obtain the INTERNAL name of the profile (stored
in an ICC tag in the profile itself), usually the one used when the
profile was originally created. Sometimes this tag also contains
additional information supplied by the creator.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal name of the profile as stored
in an ICC tag.
:exception PyCMSError:
z - N) r r r% model manufacturerprofile_descriptionlenAttributeErrorrP r# rD rM )r% re rf rU r r r getProfileName s
rj c C s yTt | tst| } | jj}| jj}g }x ||fD ]}|r2|j| q2W dj|d S ttt t
fk
r } zt ||W Y dd}~X nX dS )a
(pyCMS) Gets the internal product information for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile,
a :exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the info tag,
a :exc:`PyCMSError` is raised.
Use this function to obtain the information stored in the profile's
info tag. This often contains details about the profile, and how it
was created, as supplied by the creator.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal profile information stored in
an ICC tag.
:exception PyCMSError:
z
N) r r r% rg copyrightappendjoinri rP r# rD rM )r% descriptionZcprightZarreltrU r r r getProfileInfo s
rp c C s\ y"t | tst| } | jjp dd S ttttfk
rV } zt||W Y dd}~X nX dS )aW
(pyCMS) Gets the copyright for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile, a
:exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the copyright tag,
a :exc:`PyCMSError` is raised.
Use this function to obtain the information stored in the profile's
copyright tag.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal profile information stored in
an ICC tag.
:exception PyCMSError:
rb rc N) r r r% rk ri rP r# rD rM )r% rU r r r getProfileCopyright s
rq c C s\ y"t | tst| } | jjp dd S ttttfk
rV } zt||W Y dd}~X nX dS )a`
(pyCMS) Gets the manufacturer for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile, a
:exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the manufacturer tag, a
:exc:`PyCMSError` is raised.
Use this function to obtain the information stored in the profile's
manufacturer tag.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal profile information stored in
an ICC tag.
:exception PyCMSError:
rb rc N) r r r% rf ri rP r# rD rM )r% rU r r r getProfileManufacturer2 s
rr c C s\ y"t | tst| } | jjp dd S ttttfk
rV } zt||W Y dd}~X nX dS )aK
(pyCMS) Gets the model for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile, a
:exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the model tag,
a :exc:`PyCMSError` is raised.
Use this function to obtain the information stored in the profile's
model tag.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal profile information stored in
an ICC tag.
:exception PyCMSError:
rb rc N) r r r% re ri rP r# rD rM )r% rU r r r getProfileModelN s
rs c C s\ y"t | tst| } | jjp dd S ttttfk
rV } zt||W Y dd}~X nX dS )a]
(pyCMS) Gets the description for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile, a
:exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the description tag,
a :exc:`PyCMSError` is raised.
Use this function to obtain the information stored in the profile's
description tag.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: A string containing the internal profile information stored in an
ICC tag.
:exception PyCMSError:
rb rc N) r r r% rg ri rP r# rD rM )r% rU r r r getProfileDescriptionk s
rt c C sT yt | tst| } | jjS ttttfk
rN } zt||W Y dd}~X nX dS )a
(pyCMS) Gets the default intent name for the given profile.
If ``profile`` isn't a valid CmsProfile object or filename to a profile, a
:exc:`PyCMSError` is raised.
If an error occurs while trying to obtain the default intent, a
:exc:`PyCMSError` is raised.
Use this function to determine the default (and usually best optimized)
rendering intent for this profile. Most profiles support multiple
rendering intents, but are intended mostly for one type of conversion.
If you wish to use a different intent than returned, use
ImageCms.isIntentSupported() to verify it will work first.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:returns: Integer 0-3 specifying the default rendering intent for this
profile.
ImageCms.INTENT_PERCEPTUAL = 0 (DEFAULT)
ImageCms.INTENT_RELATIVE_COLORIMETRIC = 1
ImageCms.INTENT_SATURATION = 2
ImageCms.INTENT_ABSOLUTE_COLORIMETRIC = 3
see the pyCMS documentation for details on rendering intents and what
they do.
:exception PyCMSError:
N) r r r% Zrendering_intentri rP r# rD rM )r% rU r r r getDefaultIntent s
ru c C sf y,t | tst| } | jj||r&dS dS W n4 ttttfk
r` } zt||W Y dd}~X nX dS )a
(pyCMS) Checks if a given intent is supported.
Use this function to verify that you can use your desired
``intent`` with ``profile``, and that ``profile`` can be used for the
input/output/proof profile as you desire.
Some profiles are created specifically for one "direction", can cannot
be used for others. Some profiles can only be used for certain
rendering intents, so it's best to either verify this before trying
to create a transform with them (using this function), or catch the
potential :exc:`PyCMSError` that will occur if they don't
support the modes you select.
:param profile: EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
:param intent: Integer (0-3) specifying the rendering intent you wish to
use with this profile
ImageCms.INTENT_PERCEPTUAL = 0 (DEFAULT)
ImageCms.INTENT_RELATIVE_COLORIMETRIC = 1
ImageCms.INTENT_SATURATION = 2
ImageCms.INTENT_ABSOLUTE_COLORIMETRIC = 3
see the pyCMS documentation for details on rendering intents and what
they do.
:param direction: Integer specifying if the profile is to be used for
input, output, or proof
INPUT = 0 (or use ImageCms.DIRECTION_INPUT)
OUTPUT = 1 (or use ImageCms.DIRECTION_OUTPUT)
PROOF = 2 (or use ImageCms.DIRECTION_PROOF)
:returns: 1 if the intent/direction are supported, -1 if they are not.
:exception PyCMSError:
r N) r r r% Zis_intent_supportedri rP r# rD rM )r% r7 directionrU r r r isIntentSupported s &
rx c C s t tjtjj d tjfS )z#
(pyCMS) Fetches versions.
r )VERSIONr! Zlittlecms_versionr versionsplitr __version__r r r r versions s r} r )N)Frv )rv )/r rJ r r ImportErrorexZ_utilr Z DESCRIPTIONry r! rG Z INTENT_RELATIVE_COLORIMETRICZINTENT_SATURATIONrH ZDIRECTION_INPUTZDIRECTION_OUTPUTZDIRECTION_PROOFFLAGSrO valuesflagr rN r ZImagePointHandlerr- rL ExceptionrM rV rW r. r0 Z buildTransformFromOpenProfilesZ#buildProofTransformFromOpenProfilesrZ r` rj rp rq rr rs rt ru rx r} r r r r s ?
/=
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