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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-07-04 11:33
BdfFontFile.py	3.29 KB	-rw-r--r--	2018-04-12 21:15
BlpImagePlugin.py	14.26 KB	-rw-r--r--	2024-07-03 09:03
BmpImagePlugin.py	12.83 KB	-rw-r--r--	2018-04-12 21:15
BufrStubImagePlugin.py	1.48 KB	-rw-r--r--	2018-04-12 21:15
ContainerIO.py	2.63 KB	-rw-r--r--	2018-04-12 21:15
CurImagePlugin.py	2.02 KB	-rw-r--r--	2018-04-12 21:15
DcxImagePlugin.py	1.98 KB	-rw-r--r--	2018-04-12 21:15
DdsImagePlugin.py	4.88 KB	-rw-r--r--	2018-04-12 21:15
EpsImagePlugin.py	12.59 KB	-rw-r--r--	2024-07-03 09:03
ExifTags.py	8.63 KB	-rw-r--r--	2018-04-12 21:15
FitsStubImagePlugin.py	1.58 KB	-rw-r--r--	2018-04-12 21:15
FliImagePlugin.py	4 KB	-rw-r--r--	2018-04-12 21:15
FontFile.py	2.77 KB	-rw-r--r--	2018-04-12 21:15
FpxImagePlugin.py	6.23 KB	-rw-r--r--	2018-04-12 21:15
FtexImagePlugin.py	3.19 KB	-rw-r--r--	2018-04-12 21:15
GbrImagePlugin.py	2.66 KB	-rw-r--r--	2018-04-12 21:15
GdImageFile.py	2.15 KB	-rw-r--r--	2018-04-12 21:15
GifImagePlugin.py	26.11 KB	-rw-r--r--	2024-07-03 09:03
GimpGradientFile.py	3.27 KB	-rw-r--r--	2018-04-12 21:15
GimpPaletteFile.py	1.31 KB	-rw-r--r--	2018-04-12 21:15
GribStubImagePlugin.py	1.5 KB	-rw-r--r--	2018-04-12 21:15
Hdf5StubImagePlugin.py	1.48 KB	-rw-r--r--	2018-04-12 21:15
IcnsImagePlugin.py	10.82 KB	-rw-r--r--	2024-07-03 09:03
IcoImagePlugin.py	9.22 KB	-rw-r--r--	2024-07-03 09:03
ImImagePlugin.py	9.92 KB	-rw-r--r--	2018-04-12 21:15
Image.py	93.16 KB	-rw-r--r--	2018-04-12 21:15
ImageChops.py	6.04 KB	-rw-r--r--	2018-04-12 21:15
ImageCms.py	35.76 KB	-rw-r--r--	2018-04-12 21:15
ImageColor.py	8.05 KB	-rw-r--r--	2018-04-12 21:15
ImageDraw.py	13.32 KB	-rw-r--r--	2018-04-12 21:15
ImageDraw2.py	3.15 KB	-rw-r--r--	2018-04-12 21:15
ImageEnhance.py	3.12 KB	-rw-r--r--	2018-04-12 21:15
ImageFile.py	20.27 KB	-rw-r--r--	2024-07-03 09:03
ImageFilter.py	7.23 KB	-rw-r--r--	2018-04-12 21:15
ImageFont.py	20.66 KB	-rw-r--r--	2024-07-03 09:03
ImageGrab.py	2.1 KB	-rw-r--r--	2018-04-12 21:15
ImageMath.py	7.83 KB	-rw-r--r--	2024-07-03 09:03
ImageMode.py	1.52 KB	-rw-r--r--	2018-04-12 21:15
ImageMorph.py	8.12 KB	-rw-r--r--	2018-04-12 21:15
ImageOps.py	15.73 KB	-rw-r--r--	2018-04-12 21:15
ImagePalette.py	6.17 KB	-rw-r--r--	2018-04-12 21:15
ImagePath.py	1.26 KB	-rw-r--r--	2018-04-12 21:15
ImageSequence.py	1.21 KB	-rw-r--r--	2018-04-12 21:15
ImageShow.py	5.14 KB	-rw-r--r--	2018-04-12 21:15
ImageStat.py	3.76 KB	-rw-r--r--	2018-04-12 21:15
ImageTransform.py	2.74 KB	-rw-r--r--	2018-04-12 21:15
ImageWin.py	7 KB	-rw-r--r--	2018-04-12 21:15
ImtImagePlugin.py	2.19 KB	-rw-r--r--	2018-04-12 21:15
IptcImagePlugin.py	6.64 KB	-rw-r--r--	2018-04-12 21:15
Jpeg2KImagePlugin.py	7.55 KB	-rw-r--r--	2018-04-12 21:15
JpegImagePlugin.py	26.98 KB	-rw-r--r--	2018-04-12 21:15
JpegPresets.py	12.11 KB	-rw-r--r--	2018-04-12 21:15
McIdasImagePlugin.py	1.73 KB	-rw-r--r--	2018-04-12 21:15
MicImagePlugin.py	2.4 KB	-rw-r--r--	2018-04-12 21:15
MpegImagePlugin.py	1.79 KB	-rw-r--r--	2018-04-12 21:15
MpoImagePlugin.py	2.91 KB	-rw-r--r--	2018-04-12 21:15
MspImagePlugin.py	5.39 KB	-rw-r--r--	2018-04-12 21:15
OleFileIO.py	152 B	-rw-r--r--	2018-04-12 21:15
PSDraw.py	6.69 KB	-rw-r--r--	2018-04-12 21:15
PaletteFile.py	1.08 KB	-rw-r--r--	2018-04-12 21:15
PalmImagePlugin.py	8.94 KB	-rw-r--r--	2018-04-12 21:15
PcdImagePlugin.py	1.48 KB	-rw-r--r--	2018-04-12 21:15
PcfFontFile.py	5.99 KB	-rw-r--r--	2018-04-12 21:15
PcxImagePlugin.py	5.29 KB	-rw-r--r--	2024-07-03 09:03
PdfImagePlugin.py	7.16 KB	-rw-r--r--	2018-04-12 21:15
PdfParser.py	32.64 KB	-rw-r--r--	2024-07-03 09:03
PixarImagePlugin.py	1.63 KB	-rw-r--r--	2018-04-12 21:15
PngImagePlugin.py	25.09 KB	-rw-r--r--	2018-04-12 21:15
PpmImagePlugin.py	4.11 KB	-rw-r--r--	2018-04-12 21:15
PsdImagePlugin.py	7.76 KB	-rw-r--r--	2024-07-03 09:03
PyAccess.py	8.61 KB	-rw-r--r--	2018-04-12 21:15
SgiImagePlugin.py	5.97 KB	-rw-r--r--	2018-04-12 21:15
SunImagePlugin.py	4.22 KB	-rw-r--r--	2018-04-12 21:15
TarIO.py	1.21 KB	-rw-r--r--	2018-04-12 21:15
TgaImagePlugin.py	4.88 KB	-rw-r--r--	2018-04-12 21:15
TiffImagePlugin.py	63.49 KB	-rw-r--r--	2024-07-03 09:03
TiffTags.py	14.1 KB	-rw-r--r--	2018-04-12 21:15
WalImageFile.py	5.43 KB	-rw-r--r--	2018-04-12 21:15
WebPImagePlugin.py	9.45 KB	-rw-r--r--	2018-04-12 21:15
WmfImagePlugin.py	4.15 KB	-rw-r--r--	2018-04-12 21:15
XVThumbImagePlugin.py	1.91 KB	-rw-r--r--	2018-04-12 21:15
XbmImagePlugin.py	2.45 KB	-rw-r--r--	2018-04-12 21:15
XpmImagePlugin.py	3.03 KB	-rw-r--r--	2018-04-12 21:15
__init__.py	1.66 KB	-rw-r--r--	2018-04-12 21:15
_binary.py	1.75 KB	-rw-r--r--	2018-04-12 21:15
_imaging.cpython-36m-x86_64-linux-gnu.so	391.95 KB	-rwxr-xr-x	2024-07-03 09:03
_imagingcms.cpython-36m-x86_64-linux-gnu.so	35.89 KB	-rwxr-xr-x	2024-07-03 09:03
_imagingft.cpython-36m-x86_64-linux-gnu.so	30.39 KB	-rwxr-xr-x	2024-07-03 09:03
_imagingmath.cpython-36m-x86_64-linux-gnu.so	20.16 KB	-rwxr-xr-x	2024-07-03 09:03
_imagingmorph.cpython-36m-x86_64-linux-gnu.so	11.84 KB	-rwxr-xr-x	2024-07-03 09:03
_tkinter_finder.py	702 B	-rw-r--r--	2018-04-12 21:15
_util.py	553 B	-rw-r--r--	2018-04-12 21:15
_webp.cpython-36m-x86_64-linux-gnu.so	25.16 KB	-rwxr-xr-x	2024-07-03 09:03
features.py	1.83 KB	-rw-r--r--	2018-04-12 21:15
version.py	50 B	-rw-r--r--	2018-04-12 21:15

Rename

#
# The Python Imaging Library.
# $Id$
#
# image palette object
#
# History:
# 1996-03-11 fl   Rewritten.
# 1997-01-03 fl   Up and running.
# 1997-08-23 fl   Added load hack
# 2001-04-16 fl   Fixed randint shadow bug in random()
#
# Copyright (c) 1997-2001 by Secret Labs AB
# Copyright (c) 1996-1997 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#

import array
from . import ImageColor, GimpPaletteFile, GimpGradientFile, PaletteFile

class ImagePalette(object):
    """
    Color palette for palette mapped images

:param mode: The mode to use for the Palette. See:
        :ref:`concept-modes`. Defaults to "RGB"
    :param palette: An optional palette. If given, it must be a bytearray,
        an array or a list of ints between 0-255 and of length ``size``
        times the number of colors in ``mode``. The list must be aligned
        by channel (All R values must be contiguous in the list before G
        and B values.) Defaults to 0 through 255 per channel.
    :param size: An optional palette size. If given, it cannot be equal to
        or greater than 256. Defaults to 0.
    """

def __init__(self, mode="RGB", palette=None, size=0):
        self.mode = mode
        self.rawmode = None  # if set, palette contains raw data
        self.palette = palette or bytearray(range(256))*len(self.mode)
        self.colors = {}
        self.dirty = None
        if ((size == 0 and len(self.mode)*256 != len(self.palette)) or
                (size != 0 and size != len(self.palette))):
            raise ValueError("wrong palette size")

def copy(self):
        new = ImagePalette()

new.mode = self.mode
        new.rawmode = self.rawmode
        if self.palette is not None:
            new.palette = self.palette[:]
        new.colors = self.colors.copy()
        new.dirty = self.dirty

return new

def getdata(self):
        """
        Get palette contents in format suitable # for the low-level
        ``im.putpalette`` primitive.

.. warning:: This method is experimental.
        """
        if self.rawmode:
            return self.rawmode, self.palette
        return self.mode + ";L", self.tobytes()

def tobytes(self):
        """Convert palette to bytes.

.. warning:: This method is experimental.
        """
        if self.rawmode:
            raise ValueError("palette contains raw palette data")
        if isinstance(self.palette, bytes):
            return self.palette
        arr = array.array("B", self.palette)
        if hasattr(arr, 'tobytes'):
            return arr.tobytes()
        return arr.tostring()

# Declare tostring as an alias for tobytes
    tostring = tobytes

def getcolor(self, color):
        """Given an rgb tuple, allocate palette entry.

.. warning:: This method is experimental.
        """
        if self.rawmode:
            raise ValueError("palette contains raw palette data")
        if isinstance(color, tuple):
            try:
                return self.colors[color]
            except KeyError:
                # allocate new color slot
                if isinstance(self.palette, bytes):
                    self.palette = bytearray(self.palette)
                index = len(self.colors)
                if index >= 256:
                    raise ValueError("cannot allocate more than 256 colors")
                self.colors[color] = index
                self.palette[index] = color[0]
                self.palette[index+256] = color[1]
                self.palette[index+512] = color[2]
                self.dirty = 1
                return index
        else:
            raise ValueError("unknown color specifier: %r" % color)

def save(self, fp):
        """Save palette to text file.

.. warning:: This method is experimental.
        """
        if self.rawmode:
            raise ValueError("palette contains raw palette data")
        if isinstance(fp, str):
            fp = open(fp, "w")
        fp.write("# Palette\n")
        fp.write("# Mode: %s\n" % self.mode)
        for i in range(256):
            fp.write("%d" % i)
            for j in range(i*len(self.mode), (i+1)*len(self.mode)):
                try:
                    fp.write(" %d" % self.palette[j])
                except IndexError:
                    fp.write(" 0")
            fp.write("\n")
        fp.close()

# --------------------------------------------------------------------
# Internal

def raw(rawmode, data):
    palette = ImagePalette()
    palette.rawmode = rawmode
    palette.palette = data
    palette.dirty = 1
    return palette

# --------------------------------------------------------------------
# Factories

def make_linear_lut(black, white):
    lut = []
    if black == 0:
        for i in range(256):
            lut.append(white*i//255)
    else:
        raise NotImplementedError  # FIXME
    return lut

def make_gamma_lut(exp):
    lut = []
    for i in range(256):
        lut.append(int(((i / 255.0) ** exp) * 255.0 + 0.5))
    return lut

def negative(mode="RGB"):
    palette = list(range(256))
    palette.reverse()
    return ImagePalette(mode, palette * len(mode))

def random(mode="RGB"):
    from random import randint
    palette = []
    for i in range(256*len(mode)):
        palette.append(randint(0, 255))
    return ImagePalette(mode, palette)

def sepia(white="#fff0c0"):
    r, g, b = ImageColor.getrgb(white)
    r = make_linear_lut(0, r)
    g = make_linear_lut(0, g)
    b = make_linear_lut(0, b)
    return ImagePalette("RGB", r + g + b)

def wedge(mode="RGB"):
    return ImagePalette(mode, list(range(256)) * len(mode))

def load(filename):

# FIXME: supports GIMP gradients only

with open(filename, "rb") as fp:

for paletteHandler in [
            GimpPaletteFile.GimpPaletteFile,
            GimpGradientFile.GimpGradientFile,
            PaletteFile.PaletteFile
        ]:
            try:
                fp.seek(0)
                lut = paletteHandler(fp).getpalette()
                if lut:
                    break
            except (SyntaxError, ValueError):
                # import traceback
                # traceback.print_exc()
                pass
        else:
            raise IOError("cannot load palette")

return lut  # data, rawmode