Gecko [ www.ctm-euromeuble.fr ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-sr-x	2025-04-10 17:07
BdfFontFile.py	2.75 KB	-rw-r--r--	2025-04-10 17:07
BlpImagePlugin.py	13.96 KB	-rw-r--r--	2025-04-10 17:07
BmpImagePlugin.py	14.04 KB	-rw-r--r--	2025-04-10 17:07
BufrStubImagePlugin.py	1.48 KB	-rw-r--r--	2025-04-10 17:07
ContainerIO.py	2.82 KB	-rw-r--r--	2025-04-10 17:07
CurImagePlugin.py	1.64 KB	-rw-r--r--	2025-04-10 17:07
DcxImagePlugin.py	2.09 KB	-rw-r--r--	2025-04-10 17:07
DdsImagePlugin.py	5.34 KB	-rw-r--r--	2025-04-10 17:07
EpsImagePlugin.py	11.84 KB	-rw-r--r--	2025-04-10 17:07
ExifTags.py	8.8 KB	-rw-r--r--	2025-04-10 17:07
FitsStubImagePlugin.py	1.59 KB	-rw-r--r--	2025-04-10 17:07
FliImagePlugin.py	4.17 KB	-rw-r--r--	2025-04-10 17:07
FontFile.py	2.7 KB	-rw-r--r--	2025-04-10 17:07
FpxImagePlugin.py	6.51 KB	-rw-r--r--	2025-04-10 17:07
FtexImagePlugin.py	3.23 KB	-rw-r--r--	2025-04-10 17:07
GbrImagePlugin.py	2.74 KB	-rw-r--r--	2025-04-10 17:07
GdImageFile.py	2.43 KB	-rw-r--r--	2025-04-10 17:07
GifImagePlugin.py	28.2 KB	-rw-r--r--	2025-04-10 17:07
GimpGradientFile.py	3.27 KB	-rw-r--r--	2025-04-10 17:07
GimpPaletteFile.py	1.24 KB	-rw-r--r--	2025-04-10 17:07
GribStubImagePlugin.py	1.51 KB	-rw-r--r--	2025-04-10 17:07
Hdf5StubImagePlugin.py	1.48 KB	-rw-r--r--	2025-04-10 17:07
IcnsImagePlugin.py	11.44 KB	-rw-r--r--	2025-04-10 17:07
IcoImagePlugin.py	9.9 KB	-rw-r--r--	2025-04-10 17:07
ImImagePlugin.py	10.57 KB	-rw-r--r--	2025-04-10 17:07
Image.py	112.93 KB	-rw-r--r--	2025-04-10 17:07
ImageChops.py	7.14 KB	-rw-r--r--	2025-04-10 17:07
ImageCms.py	35.89 KB	-rw-r--r--	2025-04-10 17:07
ImageColor.py	8.43 KB	-rw-r--r--	2025-04-10 17:07
ImageDraw.py	18.87 KB	-rw-r--r--	2025-04-10 17:07
ImageDraw2.py	4.9 KB	-rw-r--r--	2025-04-10 17:07
ImageEnhance.py	3.12 KB	-rw-r--r--	2025-04-10 17:07
ImageFile.py	20.52 KB	-rw-r--r--	2025-04-10 17:07
ImageFilter.py	15.51 KB	-rw-r--r--	2025-04-10 17:07
ImageFont.py	35.23 KB	-rw-r--r--	2025-04-10 17:07
ImageGrab.py	3.54 KB	-rw-r--r--	2025-04-10 17:07
ImageMath.py	6.89 KB	-rw-r--r--	2025-04-10 17:07
ImageMode.py	1.6 KB	-rw-r--r--	2025-04-10 17:07
ImageMorph.py	7.71 KB	-rw-r--r--	2025-04-10 17:07
ImageOps.py	17.6 KB	-rw-r--r--	2025-04-10 17:07
ImagePalette.py	6.2 KB	-rw-r--r--	2025-04-10 17:07
ImagePath.py	336 B	-rw-r--r--	2025-04-10 17:07
ImageQt.py	5.66 KB	-rw-r--r--	2025-04-10 17:07
ImageSequence.py	1.81 KB	-rw-r--r--	2025-04-10 17:07
ImageShow.py	6.21 KB	-rw-r--r--	2025-04-10 17:07
ImageStat.py	3.81 KB	-rw-r--r--	2025-04-10 17:07
ImageTk.py	9.11 KB	-rw-r--r--	2025-04-10 17:07
ImageTransform.py	2.78 KB	-rw-r--r--	2025-04-10 17:07
ImageWin.py	7.03 KB	-rw-r--r--	2025-04-10 17:07
ImtImagePlugin.py	2.15 KB	-rw-r--r--	2025-04-10 17:07
IptcImagePlugin.py	5.54 KB	-rw-r--r--	2025-04-10 17:07
Jpeg2KImagePlugin.py	8.52 KB	-rw-r--r--	2025-04-10 17:07
JpegImagePlugin.py	27.24 KB	-rw-r--r--	2025-04-10 17:07
JpegPresets.py	12.41 KB	-rw-r--r--	2025-04-10 17:07
McIdasImagePlugin.py	1.71 KB	-rw-r--r--	2025-04-10 17:07
MicImagePlugin.py	2.54 KB	-rw-r--r--	2025-04-10 17:07
MpegImagePlugin.py	1.76 KB	-rw-r--r--	2025-04-10 17:07
MpoImagePlugin.py	4.14 KB	-rw-r--r--	2025-04-10 17:07
MspImagePlugin.py	5.4 KB	-rw-r--r--	2025-04-10 17:07
PSDraw.py	6.58 KB	-rw-r--r--	2025-04-10 17:07
PaletteFile.py	1.08 KB	-rw-r--r--	2025-04-10 17:07
PalmImagePlugin.py	8.88 KB	-rw-r--r--	2025-04-10 17:07
PcdImagePlugin.py	1.47 KB	-rw-r--r--	2025-04-10 17:07
PcfFontFile.py	6.12 KB	-rw-r--r--	2025-04-10 17:07
PcxImagePlugin.py	5.35 KB	-rw-r--r--	2025-04-10 17:07
PdfImagePlugin.py	7.4 KB	-rw-r--r--	2025-04-10 17:07
PdfParser.py	33.62 KB	-rw-r--r--	2025-04-10 17:07
PixarImagePlugin.py	1.61 KB	-rw-r--r--	2025-04-10 17:07
PngImagePlugin.py	40.81 KB	-rw-r--r--	2025-04-10 17:07
PpmImagePlugin.py	4.35 KB	-rw-r--r--	2025-04-10 17:07
PsdImagePlugin.py	7.45 KB	-rw-r--r--	2025-04-10 17:07
PyAccess.py	9.37 KB	-rw-r--r--	2025-04-10 17:07
SgiImagePlugin.py	5.96 KB	-rw-r--r--	2025-04-10 17:07
SpiderImagePlugin.py	9.31 KB	-rw-r--r--	2025-04-10 17:07
SunImagePlugin.py	4.2 KB	-rw-r--r--	2025-04-10 17:07
TarIO.py	1.41 KB	-rw-r--r--	2025-04-10 17:07
TgaImagePlugin.py	6.12 KB	-rw-r--r--	2025-04-10 17:07
TiffImagePlugin.py	65.92 KB	-rw-r--r--	2025-04-10 17:07
TiffTags.py	14.21 KB	-rw-r--r--	2025-04-10 17:07
WalImageFile.py	5.4 KB	-rw-r--r--	2025-04-10 17:07
WebPImagePlugin.py	10.54 KB	-rw-r--r--	2025-04-10 17:07
WmfImagePlugin.py	4.5 KB	-rw-r--r--	2025-04-10 17:07
XVThumbImagePlugin.py	1.9 KB	-rw-r--r--	2025-04-10 17:07
XbmImagePlugin.py	2.39 KB	-rw-r--r--	2025-04-10 17:07
XpmImagePlugin.py	3 KB	-rw-r--r--	2025-04-10 17:07
__init__.py	3.19 KB	-rw-r--r--	2025-04-10 17:07
__main__.py	41 B	-rw-r--r--	2025-04-10 17:07
_binary.py	1.75 KB	-rw-r--r--	2025-04-10 17:07
_imaging.cpython-35m-x86_64-linux-gnu.so	637.91 KB	-rwxr-xr-x	2025-04-10 17:07
_imagingcms.cpython-35m-x86_64-linux-gnu.so	44.27 KB	-rwxr-xr-x	2025-04-10 17:07
_imagingft.cpython-35m-x86_64-linux-gnu.so	39.9 KB	-rwxr-xr-x	2025-04-10 17:07
_imagingmath.cpython-35m-x86_64-linux-gnu.so	24.43 KB	-rwxr-xr-x	2025-04-10 17:07
_imagingmorph.cpython-35m-x86_64-linux-gnu.so	8.12 KB	-rwxr-xr-x	2025-04-10 17:07
_imagingtk.cpython-35m-x86_64-linux-gnu.so	9.37 KB	-rwxr-xr-x	2025-04-10 17:07
_tkinter_finder.py	622 B	-rw-r--r--	2025-04-10 17:07
_util.py	503 B	-rw-r--r--	2025-04-10 17:07
_version.py	50 B	-rw-r--r--	2025-04-10 17:07
_webp.cpython-35m-x86_64-linux-gnu.so	38.5 KB	-rwxr-xr-x	2025-04-10 17:07
features.py	8.62 KB	-rw-r--r--	2025-04-10 17:07

Rename

#
# The Python Imaging Library.
# $Id$
#
# BMP file handler
#
# Windows (and OS/2) native bitmap storage format.
#
# history:
# 1995-09-01 fl   Created
# 1996-04-30 fl   Added save
# 1997-08-27 fl   Fixed save of 1-bit images
# 1998-03-06 fl   Load P images as L where possible
# 1998-07-03 fl   Load P images as 1 where possible
# 1998-12-29 fl   Handle small palettes
# 2002-12-30 fl   Fixed load of 1-bit palette images
# 2003-04-21 fl   Fixed load of 1-bit monochrome images
# 2003-04-23 fl   Added limited support for BI_BITFIELDS compression
#
# Copyright (c) 1997-2003 by Secret Labs AB
# Copyright (c) 1995-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#

from . import Image, ImageFile, ImagePalette
from ._binary import i8, i16le as i16, i32le as i32, o8, o16le as o16, o32le as o32

#
# --------------------------------------------------------------------
# Read BMP file

BIT2MODE = {
    # bits => mode, rawmode
    1: ("P", "P;1"),
    4: ("P", "P;4"),
    8: ("P", "P"),
    16: ("RGB", "BGR;15"),
    24: ("RGB", "BGR"),
    32: ("RGB", "BGRX"),
}

def _accept(prefix):
    return prefix[:2] == b"BM"

def _dib_accept(prefix):
    return i32(prefix[:4]) in [12, 40, 64, 108, 124]

# =============================================================================
# Image plugin for the Windows BMP format.
# =============================================================================
class BmpImageFile(ImageFile.ImageFile):
    """ Image plugin for the Windows Bitmap format (BMP) """

# ------------------------------------------------------------- Description
    format_description = "Windows Bitmap"
    format = "BMP"

# -------------------------------------------------- BMP Compression values
    COMPRESSIONS = {"RAW": 0, "RLE8": 1, "RLE4": 2, "BITFIELDS": 3, "JPEG": 4, "PNG": 5}
    for k, v in COMPRESSIONS.items():
        vars()[k] = v

def _bitmap(self, header=0, offset=0):
        """ Read relevant info about the BMP """
        read, seek = self.fp.read, self.fp.seek
        if header:
            seek(header)
        file_info = {}
        # read bmp header size @offset 14 (this is part of the header size)
        file_info["header_size"] = i32(read(4))
        file_info["direction"] = -1

# -------------------- If requested, read header at a specific position
        # read the rest of the bmp header, without its size
        header_data = ImageFile._safe_read(self.fp, file_info["header_size"] - 4)

# -------------------------------------------------- IBM OS/2 Bitmap v1
        # ----- This format has different offsets because of width/height types
        if file_info["header_size"] == 12:
            file_info["width"] = i16(header_data[0:2])
            file_info["height"] = i16(header_data[2:4])
            file_info["planes"] = i16(header_data[4:6])
            file_info["bits"] = i16(header_data[6:8])
            file_info["compression"] = self.RAW
            file_info["palette_padding"] = 3

# --------------------------------------------- Windows Bitmap v2 to v5
        # v3, OS/2 v2, v4, v5
        elif file_info["header_size"] in (40, 64, 108, 124):
            file_info["y_flip"] = i8(header_data[7]) == 0xFF
            file_info["direction"] = 1 if file_info["y_flip"] else -1
            file_info["width"] = i32(header_data[0:4])
            file_info["height"] = (
                i32(header_data[4:8])
                if not file_info["y_flip"]
                else 2 ** 32 - i32(header_data[4:8])
            )
            file_info["planes"] = i16(header_data[8:10])
            file_info["bits"] = i16(header_data[10:12])
            file_info["compression"] = i32(header_data[12:16])
            # byte size of pixel data
            file_info["data_size"] = i32(header_data[16:20])
            file_info["pixels_per_meter"] = (
                i32(header_data[20:24]),
                i32(header_data[24:28]),
            )
            file_info["colors"] = i32(header_data[28:32])
            file_info["palette_padding"] = 4
            self.info["dpi"] = tuple(
                int(x / 39.3701 + 0.5) for x in file_info["pixels_per_meter"]
            )
            if file_info["compression"] == self.BITFIELDS:
                if len(header_data) >= 52:
                    for idx, mask in enumerate(
                        ["r_mask", "g_mask", "b_mask", "a_mask"]
                    ):
                        file_info[mask] = i32(header_data[36 + idx * 4 : 40 + idx * 4])
                else:
                    # 40 byte headers only have the three components in the
                    # bitfields masks, ref:
                    # https://msdn.microsoft.com/en-us/library/windows/desktop/dd183376(v=vs.85).aspx
                    # See also
                    # https://github.com/python-pillow/Pillow/issues/1293
                    # There is a 4th component in the RGBQuad, in the alpha
                    # location, but it is listed as a reserved component,
                    # and it is not generally an alpha channel
                    file_info["a_mask"] = 0x0
                    for mask in ["r_mask", "g_mask", "b_mask"]:
                        file_info[mask] = i32(read(4))
                file_info["rgb_mask"] = (
                    file_info["r_mask"],
                    file_info["g_mask"],
                    file_info["b_mask"],
                )
                file_info["rgba_mask"] = (
                    file_info["r_mask"],
                    file_info["g_mask"],
                    file_info["b_mask"],
                    file_info["a_mask"],
                )
        else:
            raise OSError("Unsupported BMP header type (%d)" % file_info["header_size"])

# ------------------ Special case : header is reported 40, which
        # ---------------------- is shorter than real size for bpp >= 16
        self._size = file_info["width"], file_info["height"]

# ------- If color count was not found in the header, compute from bits
        file_info["colors"] = (
            file_info["colors"]
            if file_info.get("colors", 0)
            else (1 << file_info["bits"])
        )

# ------------------------------- Check abnormal values for DOS attacks
        if file_info["width"] * file_info["height"] > 2 ** 31:
            raise OSError("Unsupported BMP Size: (%dx%d)" % self.size)

# ---------------------- Check bit depth for unusual unsupported values
        self.mode, raw_mode = BIT2MODE.get(file_info["bits"], (None, None))
        if self.mode is None:
            raise OSError("Unsupported BMP pixel depth (%d)" % file_info["bits"])

# ---------------- Process BMP with Bitfields compression (not palette)
        if file_info["compression"] == self.BITFIELDS:
            SUPPORTED = {
                32: [
                    (0xFF0000, 0xFF00, 0xFF, 0x0),
                    (0xFF0000, 0xFF00, 0xFF, 0xFF000000),
                    (0xFF, 0xFF00, 0xFF0000, 0xFF000000),
                    (0x0, 0x0, 0x0, 0x0),
                    (0xFF000000, 0xFF0000, 0xFF00, 0x0),
                ],
                24: [(0xFF0000, 0xFF00, 0xFF)],
                16: [(0xF800, 0x7E0, 0x1F), (0x7C00, 0x3E0, 0x1F)],
            }
            MASK_MODES = {
                (32, (0xFF0000, 0xFF00, 0xFF, 0x0)): "BGRX",
                (32, (0xFF000000, 0xFF0000, 0xFF00, 0x0)): "XBGR",
                (32, (0xFF, 0xFF00, 0xFF0000, 0xFF000000)): "RGBA",
                (32, (0xFF0000, 0xFF00, 0xFF, 0xFF000000)): "BGRA",
                (32, (0x0, 0x0, 0x0, 0x0)): "BGRA",
                (24, (0xFF0000, 0xFF00, 0xFF)): "BGR",
                (16, (0xF800, 0x7E0, 0x1F)): "BGR;16",
                (16, (0x7C00, 0x3E0, 0x1F)): "BGR;15",
            }
            if file_info["bits"] in SUPPORTED:
                if (
                    file_info["bits"] == 32
                    and file_info["rgba_mask"] in SUPPORTED[file_info["bits"]]
                ):
                    raw_mode = MASK_MODES[(file_info["bits"], file_info["rgba_mask"])]
                    self.mode = "RGBA" if "A" in raw_mode else self.mode
                elif (
                    file_info["bits"] in (24, 16)
                    and file_info["rgb_mask"] in SUPPORTED[file_info["bits"]]
                ):
                    raw_mode = MASK_MODES[(file_info["bits"], file_info["rgb_mask"])]
                else:
                    raise OSError("Unsupported BMP bitfields layout")
            else:
                raise OSError("Unsupported BMP bitfields layout")
        elif file_info["compression"] == self.RAW:
            if file_info["bits"] == 32 and header == 22:  # 32-bit .cur offset
                raw_mode, self.mode = "BGRA", "RGBA"
        else:
            raise OSError("Unsupported BMP compression (%d)" % file_info["compression"])

# --------------- Once the header is processed, process the palette/LUT
        if self.mode == "P":  # Paletted for 1, 4 and 8 bit images

# ---------------------------------------------------- 1-bit images
            if not (0 < file_info["colors"] <= 65536):
                raise OSError("Unsupported BMP Palette size (%d)" % file_info["colors"])
            else:
                padding = file_info["palette_padding"]
                palette = read(padding * file_info["colors"])
                greyscale = True
                indices = (
                    (0, 255)
                    if file_info["colors"] == 2
                    else list(range(file_info["colors"]))
                )

# ----------------- Check if greyscale and ignore palette if so
                for ind, val in enumerate(indices):
                    rgb = palette[ind * padding : ind * padding + 3]
                    if rgb != o8(val) * 3:
                        greyscale = False

# ------- If all colors are grey, white or black, ditch palette
                if greyscale:
                    self.mode = "1" if file_info["colors"] == 2 else "L"
                    raw_mode = self.mode
                else:
                    self.mode = "P"
                    self.palette = ImagePalette.raw(
                        "BGRX" if padding == 4 else "BGR", palette
                    )

# ---------------------------- Finally set the tile data for the plugin
        self.info["compression"] = file_info["compression"]
        self.tile = [
            (
                "raw",
                (0, 0, file_info["width"], file_info["height"]),
                offset or self.fp.tell(),
                (
                    raw_mode,
                    ((file_info["width"] * file_info["bits"] + 31) >> 3) & (~3),
                    file_info["direction"],
                ),
            )
        ]

def _open(self):
        """ Open file, check magic number and read header """
        # read 14 bytes: magic number, filesize, reserved, header final offset
        head_data = self.fp.read(14)
        # choke if the file does not have the required magic bytes
        if not _accept(head_data):
            raise SyntaxError("Not a BMP file")
        # read the start position of the BMP image data (u32)
        offset = i32(head_data[10:14])
        # load bitmap information (offset=raster info)
        self._bitmap(offset=offset)

# =============================================================================
# Image plugin for the DIB format (BMP alias)
# =============================================================================
class DibImageFile(BmpImageFile):

format = "DIB"
    format_description = "Windows Bitmap"

def _open(self):
        self._bitmap()

#
# --------------------------------------------------------------------
# Write BMP file

SAVE = {
    "1": ("1", 1, 2),
    "L": ("L", 8, 256),
    "P": ("P", 8, 256),
    "RGB": ("BGR", 24, 0),
    "RGBA": ("BGRA", 32, 0),
}

def _dib_save(im, fp, filename):
    _save(im, fp, filename, False)

def _save(im, fp, filename, bitmap_header=True):
    try:
        rawmode, bits, colors = SAVE[im.mode]
    except KeyError as e:
        raise OSError("cannot write mode %s as BMP" % im.mode) from e

info = im.encoderinfo

dpi = info.get("dpi", (96, 96))

# 1 meter == 39.3701 inches
    ppm = tuple(map(lambda x: int(x * 39.3701 + 0.5), dpi))

stride = ((im.size[0] * bits + 7) // 8 + 3) & (~3)
    header = 40  # or 64 for OS/2 version 2
    image = stride * im.size[1]

# bitmap header
    if bitmap_header:
        offset = 14 + header + colors * 4
        file_size = offset + image
        if file_size > 2 ** 32 - 1:
            raise ValueError("File size is too large for the BMP format")
        fp.write(
            b"BM"  # file type (magic)
            + o32(file_size)  # file size
            + o32(0)  # reserved
            + o32(offset)  # image data offset
        )

# bitmap info header
    fp.write(
        o32(header)  # info header size
        + o32(im.size[0])  # width
        + o32(im.size[1])  # height
        + o16(1)  # planes
        + o16(bits)  # depth
        + o32(0)  # compression (0=uncompressed)
        + o32(image)  # size of bitmap
        + o32(ppm[0])  # resolution
        + o32(ppm[1])  # resolution
        + o32(colors)  # colors used
        + o32(colors)  # colors important
    )

fp.write(b"\0" * (header - 40))  # padding (for OS/2 format)

if im.mode == "1":
        for i in (0, 255):
            fp.write(o8(i) * 4)
    elif im.mode == "L":
        for i in range(256):
            fp.write(o8(i) * 4)
    elif im.mode == "P":
        fp.write(im.im.getpalette("RGB", "BGRX"))

ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, stride, -1))])

#
# --------------------------------------------------------------------
# Registry

Image.register_open(BmpImageFile.format, BmpImageFile, _accept)
Image.register_save(BmpImageFile.format, _save)

Image.register_extension(BmpImageFile.format, ".bmp")

Image.register_mime(BmpImageFile.format, "image/bmp")

Image.register_open(DibImageFile.format, DibImageFile, _dib_accept)
Image.register_save(DibImageFile.format, _dib_save)

Image.register_extension(DibImageFile.format, ".dib")

Image.register_mime(DibImageFile.format, "image/bmp")