Gecko [ gtgates.com ]

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

from . import Image, ImageFile, _webp
from io import BytesIO

_VALID_WEBP_MODES = {
    "RGBX": True,
    "RGBA": True,
    }

_VALID_WEBP_LEGACY_MODES = {
    "RGB": True,
    "RGBA": True,
    }

_VP8_MODES_BY_IDENTIFIER = {
    b"VP8 ": "RGB",
    b"VP8X": "RGBA",
    b"VP8L": "RGBA",  # lossless
    }

def _accept(prefix):
    is_riff_file_format = prefix[:4] == b"RIFF"
    is_webp_file = prefix[8:12] == b"WEBP"
    is_valid_vp8_mode = prefix[12:16] in _VP8_MODES_BY_IDENTIFIER

return is_riff_file_format and is_webp_file and is_valid_vp8_mode

class WebPImageFile(ImageFile.ImageFile):

format = "WEBP"
    format_description = "WebP image"

def _open(self):
        if not _webp.HAVE_WEBPANIM:
            # Legacy mode
            data, width, height, self.mode, icc_profile, exif = \
                _webp.WebPDecode(self.fp.read())
            if icc_profile:
                self.info["icc_profile"] = icc_profile
            if exif:
                self.info["exif"] = exif
            self.size = width, height
            self.fp = BytesIO(data)
            self.tile = [("raw", (0, 0) + self.size, 0, self.mode)]
            self._n_frames = 1
            return

# Use the newer AnimDecoder API to parse the (possibly) animated file,
        # and access muxed chunks like ICC/EXIF/XMP.
        self._decoder = _webp.WebPAnimDecoder(self.fp.read())

# Get info from decoder
        width, height, loop_count, bgcolor, frame_count, mode = \
            self._decoder.get_info()
        self.size = width, height
        self.info["loop"] = loop_count
        bg_a, bg_r, bg_g, bg_b = \
            (bgcolor >> 24) & 0xFF, \
            (bgcolor >> 16) & 0xFF, \
            (bgcolor >> 8) & 0xFF, \
            bgcolor & 0xFF
        self.info["background"] = (bg_r, bg_g, bg_b, bg_a)
        self._n_frames = frame_count
        self.mode = mode
        self.tile = []

# Attempt to read ICC / EXIF / XMP chunks from file
        icc_profile = self._decoder.get_chunk("ICCP")
        exif = self._decoder.get_chunk("EXIF")
        xmp = self._decoder.get_chunk("XMP ")
        if icc_profile:
            self.info["icc_profile"] = icc_profile
        if exif:
            self.info["exif"] = exif
        if xmp:
            self.info["xmp"] = xmp

# Initialize seek state
        self._reset(reset=False)
        self.seek(0)

def _getexif(self):
        from .JpegImagePlugin import _getexif
        return _getexif(self)

@property
    def n_frames(self):
        return self._n_frames

@property
    def is_animated(self):
        return self._n_frames > 1

def seek(self, frame):
        if not _webp.HAVE_WEBPANIM:
            return super(WebPImageFile, self).seek(frame)

# Perform some simple checks first
        if frame >= self._n_frames:
            raise EOFError("attempted to seek beyond end of sequence")
        if frame < 0:
            raise EOFError("negative frame index is not valid")

# Set logical frame to requested position
        self.__logical_frame = frame

def _reset(self, reset=True):
        if reset:
            self._decoder.reset()
        self.__physical_frame = 0
        self.__loaded = -1
        self.__timestamp = 0

def _get_next(self):
        # Get next frame
        ret = self._decoder.get_next()
        self.__physical_frame += 1

# Check if an error occurred
        if ret is None:
            self._reset()   # Reset just to be safe
            self.seek(0)
            raise EOFError("failed to decode next frame in WebP file")

# Compute duration
        data, timestamp = ret
        duration = timestamp - self.__timestamp
        self.__timestamp = timestamp

# libwebp gives frame end, adjust to start of frame
        timestamp -= duration
        return data, timestamp, duration

def _seek(self, frame):
        if self.__physical_frame == frame:
            return              # Nothing to do
        if frame < self.__physical_frame:
            self._reset()       # Rewind to beginning
        while self.__physical_frame < frame:
            self._get_next()    # Advance to the requested frame

def load(self):
        if _webp.HAVE_WEBPANIM:
            if self.__loaded != self.__logical_frame:
                self._seek(self.__logical_frame)

# We need to load the image data for this frame
                data, timestamp, duration = self._get_next()
                self.info["timestamp"] = timestamp
                self.info["duration"] = duration
                self.__loaded = self.__logical_frame

# Set tile
                self.fp = BytesIO(data)
                self.tile = [("raw", (0, 0) + self.size, 0, self.mode)]

return super(WebPImageFile, self).load()

def tell(self):
        if not _webp.HAVE_WEBPANIM:
            return super(WebPImageFile, self).tell()

return self.__logical_frame

def _save_all(im, fp, filename):
    encoderinfo = im.encoderinfo.copy()
    append_images = list(encoderinfo.get("append_images", []))

# If total frame count is 1, then save using the legacy API, which
    # will preserve non-alpha modes
    total = 0
    for ims in [im]+append_images:
        total += 1 if not hasattr(ims, "n_frames") else ims.n_frames
    if total == 1:
        _save(im, fp, filename)
        return

background = encoderinfo.get("background", (0, 0, 0, 0))
    duration = im.encoderinfo.get("duration", 0)
    loop = im.encoderinfo.get("loop", 0)
    minimize_size = im.encoderinfo.get("minimize_size", False)
    kmin = im.encoderinfo.get("kmin", None)
    kmax = im.encoderinfo.get("kmax", None)
    allow_mixed = im.encoderinfo.get("allow_mixed", False)
    verbose = False
    lossless = im.encoderinfo.get("lossless", False)
    quality = im.encoderinfo.get("quality", 80)
    method = im.encoderinfo.get("method", 0)
    icc_profile = im.encoderinfo.get("icc_profile", "")
    exif = im.encoderinfo.get("exif", "")
    xmp = im.encoderinfo.get("xmp", "")
    if allow_mixed:
        lossless = False

# Sensible keyframe defaults are from gif2webp.c script
    if kmin is None:
        kmin = 9 if lossless else 3
    if kmax is None:
        kmax = 17 if lossless else 5

# Validate background color
    if (not isinstance(background, (list, tuple)) or len(background) != 4 or
            not all(v >= 0 and v < 256 for v in background)):
        raise IOError("Background color is not an RGBA tuple clamped "
                      "to (0-255): %s" % str(background))

# Convert to packed uint
    bg_r, bg_g, bg_b, bg_a = background
    background = (bg_a << 24) | (bg_r << 16) | (bg_g << 8) | (bg_b << 0)

# Setup the WebP animation encoder
    enc = _webp.WebPAnimEncoder(
        im.size[0], im.size[1],
        background,
        loop,
        minimize_size,
        kmin, kmax,
        allow_mixed,
        verbose
    )

# Add each frame
    frame_idx = 0
    timestamp = 0
    cur_idx = im.tell()
    try:
        for ims in [im]+append_images:
            # Get # of frames in this image
            if not hasattr(ims, "n_frames"):
                nfr = 1
            else:
                nfr = ims.n_frames

for idx in range(nfr):
                ims.seek(idx)
                ims.load()

# Make sure image mode is supported
                frame = ims
                if ims.mode not in _VALID_WEBP_MODES:
                    alpha = ims.mode == 'P' and 'A' in ims.im.getpalettemode()
                    frame = ims.convert('RGBA' if alpha else 'RGBX')

# Append the frame to the animation encoder
                enc.add(
                    frame.tobytes(),
                    timestamp,
                    frame.size[0], frame.size[1],
                    frame.mode,
                    lossless,
                    quality,
                    method
                )

# Update timestamp and frame index
                if isinstance(duration, (list, tuple)):
                    timestamp += duration[frame_idx]
                else:
                    timestamp += duration
                frame_idx += 1

finally:
        im.seek(cur_idx)

# Force encoder to flush frames
    enc.add(
        None,
        timestamp,
        0, 0, "", lossless, quality, 0
    )

# Get the final output from the encoder
    data = enc.assemble(icc_profile, exif, xmp)
    if data is None:
        raise IOError("cannot write file as WebP (encoder returned None)")

fp.write(data)

def _save(im, fp, filename):
    lossless = im.encoderinfo.get("lossless", False)
    quality = im.encoderinfo.get("quality", 80)
    icc_profile = im.encoderinfo.get("icc_profile", "")
    exif = im.encoderinfo.get("exif", "")
    xmp = im.encoderinfo.get("xmp", "")

if im.mode not in _VALID_WEBP_LEGACY_MODES:
        alpha = im.mode == 'P' and 'A' in im.im.getpalettemode()
        im = im.convert('RGBA' if alpha else 'RGB')

data = _webp.WebPEncode(
        im.tobytes(),
        im.size[0],
        im.size[1],
        lossless,
        float(quality),
        im.mode,
        icc_profile,
        exif,
        xmp
    )
    if data is None:
        raise IOError("cannot write file as WebP (encoder returned None)")

fp.write(data)

Image.register_open(WebPImageFile.format, WebPImageFile, _accept)
Image.register_save(WebPImageFile.format, _save)
if _webp.HAVE_WEBPANIM:
    Image.register_save_all(WebPImageFile.format, _save_all)
Image.register_extension(WebPImageFile.format, ".webp")
Image.register_mime(WebPImageFile.format, "image/webp")