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__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 : PyAccess.py

#
# The Python Imaging Library
# Pillow fork
#
# Python implementation of the PixelAccess Object
#
# Copyright (c) 1997-2009 by Secret Labs AB.  All rights reserved.
# Copyright (c) 1995-2009 by Fredrik Lundh.
# Copyright (c) 2013 Eric Soroos
#
# See the README file for information on usage and redistribution
#

# Notes:
#
#  * Implements the pixel access object following Access.
#  * Does not implement the line functions, as they don't appear to be used
#  * Taking only the tuple form, which is used from python.
#    * Fill.c uses the integer form, but it's still going to use the old
#      Access.c implementation.
#

import logging
import sys

try:
    from cffi import FFI

defs = """
    struct Pixel_RGBA {
        unsigned char r,g,b,a;
    };
    struct Pixel_I16 {
        unsigned char l,r;
    };
    """
    ffi = FFI()
    ffi.cdef(defs)
except ImportError as ex:
    # Allow error import for doc purposes, but error out when accessing
    # anything in core.
    from ._util import deferred_error

FFI = ffi = deferred_error(ex)

logger = logging.getLogger(__name__)

class PyAccess:
    def __init__(self, img, readonly=False):
        vals = dict(img.im.unsafe_ptrs)
        self.readonly = readonly
        self.image8 = ffi.cast("unsigned char **", vals["image8"])
        self.image32 = ffi.cast("int **", vals["image32"])
        self.image = ffi.cast("unsigned char **", vals["image"])
        self.xsize, self.ysize = img.im.size
        self._img = img

# Keep pointer to im object to prevent dereferencing.
        self._im = img.im
        if self._im.mode == "P":
            self._palette = img.palette

# Debugging is polluting test traces, only useful here
        # when hacking on PyAccess
        # logger.debug("%s", vals)
        self._post_init()

def _post_init(self):
        pass

def __setitem__(self, xy, color):
        """
        Modifies the pixel at x,y. The color is given as a single
        numerical value for single band images, and a tuple for
        multi-band images

:param xy: The pixel coordinate, given as (x, y). See
           :ref:`coordinate-system`.
        :param color: The pixel value.
        """
        if self.readonly:
            raise ValueError("Attempt to putpixel a read only image")
        (x, y) = xy
        if x < 0:
            x = self.xsize + x
        if y < 0:
            y = self.ysize + y
        (x, y) = self.check_xy((x, y))

if (
            self._im.mode == "P"
            and isinstance(color, (list, tuple))
            and len(color) in [3, 4]
        ):
            # RGB or RGBA value for a P image
            color = self._palette.getcolor(color, self._img)

return self.set_pixel(x, y, color)

def __getitem__(self, xy):
        """
        Returns the pixel at x,y. The pixel is returned as a single
        value for single band images or a tuple for multiple band
        images

:param xy: The pixel coordinate, given as (x, y). See
          :ref:`coordinate-system`.
        :returns: a pixel value for single band images, a tuple of
          pixel values for multiband images.
        """
        (x, y) = xy
        if x < 0:
            x = self.xsize + x
        if y < 0:
            y = self.ysize + y
        (x, y) = self.check_xy((x, y))
        return self.get_pixel(x, y)

putpixel = __setitem__
    getpixel = __getitem__

def check_xy(self, xy):
        (x, y) = xy
        if not (0 <= x < self.xsize and 0 <= y < self.ysize):
            raise ValueError("pixel location out of range")
        return xy

class _PyAccess32_2(PyAccess):
    """PA, LA, stored in first and last bytes of a 32 bit word"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32)

def get_pixel(self, x, y):
        pixel = self.pixels[y][x]
        return (pixel.r, pixel.a)

def set_pixel(self, x, y, color):
        pixel = self.pixels[y][x]
        # tuple
        pixel.r = min(color[0], 255)
        pixel.a = min(color[1], 255)

class _PyAccess32_3(PyAccess):
    """RGB and friends, stored in the first three bytes of a 32 bit word"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32)

def get_pixel(self, x, y):
        pixel = self.pixels[y][x]
        return (pixel.r, pixel.g, pixel.b)

def set_pixel(self, x, y, color):
        pixel = self.pixels[y][x]
        # tuple
        pixel.r = min(color[0], 255)
        pixel.g = min(color[1], 255)
        pixel.b = min(color[2], 255)
        pixel.a = 255

class _PyAccess32_4(PyAccess):
    """RGBA etc, all 4 bytes of a 32 bit word"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32)

def get_pixel(self, x, y):
        pixel = self.pixels[y][x]
        return (pixel.r, pixel.g, pixel.b, pixel.a)

def set_pixel(self, x, y, color):
        pixel = self.pixels[y][x]
        # tuple
        pixel.r = min(color[0], 255)
        pixel.g = min(color[1], 255)
        pixel.b = min(color[2], 255)
        pixel.a = min(color[3], 255)

class _PyAccess8(PyAccess):
    """1, L, P, 8 bit images stored as uint8"""

def _post_init(self, *args, **kwargs):
        self.pixels = self.image8

def get_pixel(self, x, y):
        return self.pixels[y][x]

def set_pixel(self, x, y, color):
        try:
            # integer
            self.pixels[y][x] = min(color, 255)
        except TypeError:
            # tuple
            self.pixels[y][x] = min(color[0], 255)

class _PyAccessI16_N(PyAccess):
    """I;16 access, native bitendian without conversion"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("unsigned short **", self.image)

def get_pixel(self, x, y):
        return self.pixels[y][x]

def set_pixel(self, x, y, color):
        try:
            # integer
            self.pixels[y][x] = min(color, 65535)
        except TypeError:
            # tuple
            self.pixels[y][x] = min(color[0], 65535)

class _PyAccessI16_L(PyAccess):
    """I;16L access, with conversion"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("struct Pixel_I16 **", self.image)

def get_pixel(self, x, y):
        pixel = self.pixels[y][x]
        return pixel.l + pixel.r * 256

def set_pixel(self, x, y, color):
        pixel = self.pixels[y][x]
        try:
            color = min(color, 65535)
        except TypeError:
            color = min(color[0], 65535)

pixel.l = color & 0xFF  # noqa: E741
        pixel.r = color >> 8

class _PyAccessI16_B(PyAccess):
    """I;16B access, with conversion"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("struct Pixel_I16 **", self.image)

def get_pixel(self, x, y):
        pixel = self.pixels[y][x]
        return pixel.l * 256 + pixel.r

def set_pixel(self, x, y, color):
        pixel = self.pixels[y][x]
        try:
            color = min(color, 65535)
        except Exception:
            color = min(color[0], 65535)

pixel.l = color >> 8  # noqa: E741
        pixel.r = color & 0xFF

class _PyAccessI32_N(PyAccess):
    """Signed Int32 access, native endian"""

def _post_init(self, *args, **kwargs):
        self.pixels = self.image32

def get_pixel(self, x, y):
        return self.pixels[y][x]

def set_pixel(self, x, y, color):
        self.pixels[y][x] = color

class _PyAccessI32_Swap(PyAccess):
    """I;32L/B access, with byteswapping conversion"""

def _post_init(self, *args, **kwargs):
        self.pixels = self.image32

def reverse(self, i):
        orig = ffi.new("int *", i)
        chars = ffi.cast("unsigned char *", orig)
        chars[0], chars[1], chars[2], chars[3] = chars[3], chars[2], chars[1], chars[0]
        return ffi.cast("int *", chars)[0]

def get_pixel(self, x, y):
        return self.reverse(self.pixels[y][x])

def set_pixel(self, x, y, color):
        self.pixels[y][x] = self.reverse(color)

class _PyAccessF(PyAccess):
    """32 bit float access"""

def _post_init(self, *args, **kwargs):
        self.pixels = ffi.cast("float **", self.image32)

def get_pixel(self, x, y):
        return self.pixels[y][x]

def set_pixel(self, x, y, color):
        try:
            # not a tuple
            self.pixels[y][x] = color
        except TypeError:
            # tuple
            self.pixels[y][x] = color[0]

mode_map = {
    "1": _PyAccess8,
    "L": _PyAccess8,
    "P": _PyAccess8,
    "LA": _PyAccess32_2,
    "La": _PyAccess32_2,
    "PA": _PyAccess32_2,
    "RGB": _PyAccess32_3,
    "LAB": _PyAccess32_3,
    "HSV": _PyAccess32_3,
    "YCbCr": _PyAccess32_3,
    "RGBA": _PyAccess32_4,
    "RGBa": _PyAccess32_4,
    "RGBX": _PyAccess32_4,
    "CMYK": _PyAccess32_4,
    "F": _PyAccessF,
    "I": _PyAccessI32_N,
}

if sys.byteorder == "little":
    mode_map["I;16"] = _PyAccessI16_N
    mode_map["I;16L"] = _PyAccessI16_N
    mode_map["I;16B"] = _PyAccessI16_B

mode_map["I;32L"] = _PyAccessI32_N
    mode_map["I;32B"] = _PyAccessI32_Swap
else:
    mode_map["I;16"] = _PyAccessI16_L
    mode_map["I;16L"] = _PyAccessI16_L
    mode_map["I;16B"] = _PyAccessI16_N

mode_map["I;32L"] = _PyAccessI32_Swap
    mode_map["I;32B"] = _PyAccessI32_N

def new(img, readonly=False):
    access_type = mode_map.get(img.mode, None)
    if not access_type:
        logger.debug("PyAccess Not Implemented: %s", img.mode)
        return None
    return access_type(img, readonly)

${this.title}

Code Editor : PyAccess.py