Gecko [ www.utparral.edu.mx ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
BdfFontFile.py	2.75 KB	-rw-r--r--
_binary.py	2 KB	-rw-r--r--
BlpImagePlugin.py	14.23 KB	-rw-r--r--
BmpImagePlugin.py	13.91 KB	-rw-r--r--
BufrStubImagePlugin.py	1.48 KB	-rw-r--r--
ContainerIO.py	2.82 KB	-rw-r--r--
CurImagePlugin.py	1.64 KB	-rw-r--r--
DcxImagePlugin.py	2.09 KB	-rw-r--r--
DdsImagePlugin.py	7.8 KB	-rw-r--r--
EpsImagePlugin.py	11.64 KB	-rw-r--r--
ExifTags.py	9.22 KB	-rw-r--r--
features.py	9.17 KB	-rw-r--r--
FitsStubImagePlugin.py	2.5 KB	-rw-r--r--
FliImagePlugin.py	4.16 KB	-rw-r--r--
FontFile.py	2.7 KB	-rw-r--r--
FpxImagePlugin.py	6.5 KB	-rw-r--r--
FtexImagePlugin.py	3.23 KB	-rw-r--r--
GbrImagePlugin.py	2.73 KB	-rw-r--r--
GdImageFile.py	2.41 KB	-rw-r--r--
GifImagePlugin.py	32.05 KB	-rw-r--r--
GimpGradientFile.py	3.27 KB	-rw-r--r--
GimpPaletteFile.py	1.24 KB	-rw-r--r--
GribStubImagePlugin.py	1.48 KB	-rw-r--r--
Hdf5StubImagePlugin.py	1.48 KB	-rw-r--r--
IcnsImagePlugin.py	11.46 KB	-rw-r--r--
IcoImagePlugin.py	10.57 KB	-rw-r--r--
ImageChops.py	7.13 KB	-rw-r--r--
ImageCms.py	36.22 KB	-rw-r--r--
ImageColor.py	8.52 KB	-rw-r--r--
ImageDraw2.py	4.9 KB	-rw-r--r--
ImageDraw.py	33.9 KB	-rw-r--r--
ImageEnhance.py	3.12 KB	-rw-r--r--
ImageFile.py	20.58 KB	-rw-r--r--
ImageFilter.py	15.75 KB	-rw-r--r--
ImageFont.py	44.29 KB	-rw-r--r--
ImageGrab.py	3.54 KB	-rw-r--r--
ImageMath.py	7.44 KB	-rw-r--r--
ImageMode.py	2.03 KB	-rw-r--r--
ImageMorph.py	7.59 KB	-rw-r--r--
ImageOps.py	19.82 KB	-rw-r--r--
ImagePalette.py	7.66 KB	-rw-r--r--
ImagePath.py	336 B	-rw-r--r--
Image.py	118.51 KB	-rw-r--r--
ImageQt.py	6.54 KB	-rw-r--r--
ImageSequence.py	1.81 KB	-rw-r--r--
ImageShow.py	7.75 KB	-rw-r--r--
ImageStat.py	3.81 KB	-rw-r--r--
ImageTransform.py	2.78 KB	-rw-r--r--
ImageWin.py	7.02 KB	-rw-r--r--
_imagingcms.cpython-310-x86_64-linux-gnu.so	37.8 KB	-rw-r--r--
_imaging.cpython-310-x86_64-linux-gnu.so	438.53 KB	-rw-r--r--
_imagingft.cpython-310-x86_64-linux-gnu.so	41.46 KB	-rw-r--r--
_imagingmath.cpython-310-x86_64-linux-gnu.so	18.43 KB	-rw-r--r--
_imagingmorph.cpython-310-x86_64-linux-gnu.so	14.46 KB	-rw-r--r--
ImImagePlugin.py	10.48 KB	-rw-r--r--
ImtImagePlugin.py	2.15 KB	-rw-r--r--
__init__.py	1.7 KB	-rw-r--r--
IptcImagePlugin.py	5.58 KB	-rw-r--r--
Jpeg2KImagePlugin.py	10.14 KB	-rw-r--r--
JpegImagePlugin.py	27.79 KB	-rw-r--r--
JpegPresets.py	12.06 KB	-rw-r--r--
__main__.py	41 B	-rw-r--r--
McIdasImagePlugin.py	1.71 KB	-rw-r--r--
MicImagePlugin.py	2.55 KB	-rw-r--r--
MpegImagePlugin.py	1.76 KB	-rw-r--r--
MpoImagePlugin.py	4.3 KB	-rw-r--r--
MspImagePlugin.py	5.4 KB	-rw-r--r--
PaletteFile.py	1.08 KB	-rw-r--r--
PalmImagePlugin.py	8.89 KB	-rw-r--r--
PcdImagePlugin.py	1.44 KB	-rw-r--r--
PcfFontFile.py	6.2 KB	-rw-r--r--
PcxImagePlugin.py	5.73 KB	-rw-r--r--
PdfImagePlugin.py	7.16 KB	-rw-r--r--
PdfParser.py	33.75 KB	-rw-r--r--
PixarImagePlugin.py	1.59 KB	-rw-r--r--
PngImagePlugin.py	43.11 KB	-rw-r--r--
PpmImagePlugin.py	4.34 KB	-rw-r--r--
PsdImagePlugin.py	7.88 KB	-rw-r--r--
PSDraw.py	6.56 KB	-rw-r--r--
PyAccess.py	9.38 KB	-rw-r--r--
SgiImagePlugin.py	5.95 KB	-rw-r--r--
SpiderImagePlugin.py	9.31 KB	-rw-r--r--
SunImagePlugin.py	4.18 KB	-rw-r--r--
TarIO.py	1.41 KB	-rw-r--r--
TgaImagePlugin.py	6.32 KB	-rw-r--r--
TiffImagePlugin.py	71.17 KB	-rw-r--r--
TiffTags.py	14.93 KB	-rw-r--r--
_tkinter_finder.py	525 B	-rw-r--r--
_util.py	359 B	-rw-r--r--
_version.py	50 B	-rw-r--r--
WalImageFile.py	5.42 KB	-rw-r--r--
_webp.cpython-310-x86_64-linux-gnu.so	28.09 KB	-rw-r--r--
WebPImagePlugin.py	10.58 KB	-rw-r--r--
WmfImagePlugin.py	4.53 KB	-rw-r--r--
XbmImagePlugin.py	2.37 KB	-rw-r--r--
XpmImagePlugin.py	2.99 KB	-rw-r--r--
XVThumbImagePlugin.py	1.89 KB	-rw-r--r--

Code Editor : ImageMath.py

#
# The Python Imaging Library
# $Id$
#
# a simple math add-on for the Python Imaging Library
#
# History:
# 1999-02-15 fl   Original PIL Plus release
# 2005-05-05 fl   Simplified and cleaned up for PIL 1.1.6
# 2005-09-12 fl   Fixed int() and float() for Python 2.4.1
#
# Copyright (c) 1999-2005 by Secret Labs AB
# Copyright (c) 2005 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#

import builtins

from . import Image, _imagingmath

VERBOSE = 0

def _isconstant(v):
    return isinstance(v, (int, float))

class _Operand:
    """Wraps an image operand, providing standard operators"""

def __init__(self, im):
        self.im = im

def __fixup(self, im1):
        # convert image to suitable mode
        if isinstance(im1, _Operand):
            # argument was an image.
            if im1.im.mode in ("1", "L"):
                return im1.im.convert("I")
            elif im1.im.mode in ("I", "F"):
                return im1.im
            else:
                raise ValueError(f"unsupported mode: {im1.im.mode}")
        else:
            # argument was a constant
            if _isconstant(im1) and self.im.mode in ("1", "L", "I"):
                return Image.new("I", self.im.size, im1)
            else:
                return Image.new("F", self.im.size, im1)

def apply(self, op, im1, im2=None, mode=None):
        im1 = self.__fixup(im1)
        if im2 is None:
            # unary operation
            out = Image.new(mode or im1.mode, im1.size, None)
            im1.load()
            try:
                op = getattr(_imagingmath, op + "_" + im1.mode)
            except AttributeError as e:
                raise TypeError(f"bad operand type for '{op}'") from e
            _imagingmath.unop(op, out.im.id, im1.im.id)
        else:
            # binary operation
            im2 = self.__fixup(im2)
            if im1.mode != im2.mode:
                # convert both arguments to floating point
                if im1.mode != "F":
                    im1 = im1.convert("F")
                if im2.mode != "F":
                    im2 = im2.convert("F")
                if im1.mode != im2.mode:
                    raise ValueError("mode mismatch")
            if im1.size != im2.size:
                # crop both arguments to a common size
                size = (min(im1.size[0], im2.size[0]), min(im1.size[1], im2.size[1]))
                if im1.size != size:
                    im1 = im1.crop((0, 0) + size)
                if im2.size != size:
                    im2 = im2.crop((0, 0) + size)
                out = Image.new(mode or im1.mode, size, None)
            else:
                out = Image.new(mode or im1.mode, im1.size, None)
            im1.load()
            im2.load()
            try:
                op = getattr(_imagingmath, op + "_" + im1.mode)
            except AttributeError as e:
                raise TypeError(f"bad operand type for '{op}'") from e
            _imagingmath.binop(op, out.im.id, im1.im.id, im2.im.id)
        return _Operand(out)

# unary operators
    def __bool__(self):
        # an image is "true" if it contains at least one non-zero pixel
        return self.im.getbbox() is not None

def __abs__(self):
        return self.apply("abs", self)

def __pos__(self):
        return self

def __neg__(self):
        return self.apply("neg", self)

# binary operators
    def __add__(self, other):
        return self.apply("add", self, other)

def __radd__(self, other):
        return self.apply("add", other, self)

def __sub__(self, other):
        return self.apply("sub", self, other)

def __rsub__(self, other):
        return self.apply("sub", other, self)

def __mul__(self, other):
        return self.apply("mul", self, other)

def __rmul__(self, other):
        return self.apply("mul", other, self)

def __truediv__(self, other):
        return self.apply("div", self, other)

def __rtruediv__(self, other):
        return self.apply("div", other, self)

def __mod__(self, other):
        return self.apply("mod", self, other)

def __rmod__(self, other):
        return self.apply("mod", other, self)

def __pow__(self, other):
        return self.apply("pow", self, other)

def __rpow__(self, other):
        return self.apply("pow", other, self)

# bitwise
    def __invert__(self):
        return self.apply("invert", self)

def __and__(self, other):
        return self.apply("and", self, other)

def __rand__(self, other):
        return self.apply("and", other, self)

def __or__(self, other):
        return self.apply("or", self, other)

def __ror__(self, other):
        return self.apply("or", other, self)

def __xor__(self, other):
        return self.apply("xor", self, other)

def __rxor__(self, other):
        return self.apply("xor", other, self)

def __lshift__(self, other):
        return self.apply("lshift", self, other)

def __rshift__(self, other):
        return self.apply("rshift", self, other)

# logical
    def __eq__(self, other):
        return self.apply("eq", self, other)

def __ne__(self, other):
        return self.apply("ne", self, other)

def __lt__(self, other):
        return self.apply("lt", self, other)

def __le__(self, other):
        return self.apply("le", self, other)

def __gt__(self, other):
        return self.apply("gt", self, other)

def __ge__(self, other):
        return self.apply("ge", self, other)

# conversions
def imagemath_int(self):
    return _Operand(self.im.convert("I"))

def imagemath_float(self):
    return _Operand(self.im.convert("F"))

# logical
def imagemath_equal(self, other):
    return self.apply("eq", self, other, mode="I")

def imagemath_notequal(self, other):
    return self.apply("ne", self, other, mode="I")

def imagemath_min(self, other):
    return self.apply("min", self, other)

def imagemath_max(self, other):
    return self.apply("max", self, other)

def imagemath_convert(self, mode):
    return _Operand(self.im.convert(mode))

ops = {}
for k, v in list(globals().items()):
    if k[:10] == "imagemath_":
        ops[k[10:]] = v

def eval(expression, _dict={}, **kw):
    """
    Evaluates an image expression.

:param expression: A string containing a Python-style expression.
    :param options: Values to add to the evaluation context.  You
                    can either use a dictionary, or one or more keyword
                    arguments.
    :return: The evaluated expression. This is usually an image object, but can
             also be an integer, a floating point value, or a pixel tuple,
             depending on the expression.
    """

# build execution namespace
    args = ops.copy()
    for k in list(_dict.keys()) + list(kw.keys()):
        if "__" in k or hasattr(builtins, k):
            msg = f"'{k}' not allowed"
            raise ValueError(msg)

args.update(_dict)
    args.update(kw)
    for k, v in list(args.items()):
        if hasattr(v, "im"):
            args[k] = _Operand(v)

compiled_code = compile(expression, "<string>", "eval")

def scan(code):
        for const in code.co_consts:
            if type(const) == type(compiled_code):
                scan(const)

for name in code.co_names:
            if name not in args and name != "abs":
                raise ValueError(f"'{name}' not allowed")

scan(compiled_code)
    out = builtins.eval(expression, {"__builtins": {"abs": abs}}, args)
    try:
        return out.im
    except AttributeError:
        return out

${this.title}

Code Editor : ImageMath.py