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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 : DdsImagePlugin.py

"""
A Pillow loader for .dds files (S3TC-compressed aka DXTC)
Jerome Leclanche <jerome@leclan.ch>

Documentation:
  https://web.archive.org/web/20170802060935/http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt

The contents of this file are hereby released in the public domain (CC0)
Full text of the CC0 license:
  https://creativecommons.org/publicdomain/zero/1.0/
"""

import struct
from io import BytesIO

from . import Image, ImageFile
from ._binary import o32le as o32

# Magic ("DDS ")
DDS_MAGIC = 0x20534444

# DDS flags
DDSD_CAPS = 0x1
DDSD_HEIGHT = 0x2
DDSD_WIDTH = 0x4
DDSD_PITCH = 0x8
DDSD_PIXELFORMAT = 0x1000
DDSD_MIPMAPCOUNT = 0x20000
DDSD_LINEARSIZE = 0x80000
DDSD_DEPTH = 0x800000

# DDS caps
DDSCAPS_COMPLEX = 0x8
DDSCAPS_TEXTURE = 0x1000
DDSCAPS_MIPMAP = 0x400000

DDSCAPS2_CUBEMAP = 0x200
DDSCAPS2_CUBEMAP_POSITIVEX = 0x400
DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800
DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000
DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000
DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000
DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000
DDSCAPS2_VOLUME = 0x200000

# Pixel Format
DDPF_ALPHAPIXELS = 0x1
DDPF_ALPHA = 0x2
DDPF_FOURCC = 0x4
DDPF_PALETTEINDEXED8 = 0x20
DDPF_RGB = 0x40
DDPF_LUMINANCE = 0x20000

# dds.h

DDS_FOURCC = DDPF_FOURCC
DDS_RGB = DDPF_RGB
DDS_RGBA = DDPF_RGB | DDPF_ALPHAPIXELS
DDS_LUMINANCE = DDPF_LUMINANCE
DDS_LUMINANCEA = DDPF_LUMINANCE | DDPF_ALPHAPIXELS
DDS_ALPHA = DDPF_ALPHA
DDS_PAL8 = DDPF_PALETTEINDEXED8

DDS_HEADER_FLAGS_TEXTURE = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT
DDS_HEADER_FLAGS_MIPMAP = DDSD_MIPMAPCOUNT
DDS_HEADER_FLAGS_VOLUME = DDSD_DEPTH
DDS_HEADER_FLAGS_PITCH = DDSD_PITCH
DDS_HEADER_FLAGS_LINEARSIZE = DDSD_LINEARSIZE

DDS_HEIGHT = DDSD_HEIGHT
DDS_WIDTH = DDSD_WIDTH

DDS_SURFACE_FLAGS_TEXTURE = DDSCAPS_TEXTURE
DDS_SURFACE_FLAGS_MIPMAP = DDSCAPS_COMPLEX | DDSCAPS_MIPMAP
DDS_SURFACE_FLAGS_CUBEMAP = DDSCAPS_COMPLEX

DDS_CUBEMAP_POSITIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX
DDS_CUBEMAP_NEGATIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX
DDS_CUBEMAP_POSITIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY
DDS_CUBEMAP_NEGATIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY
DDS_CUBEMAP_POSITIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ
DDS_CUBEMAP_NEGATIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ

# DXT1
DXT1_FOURCC = 0x31545844

# DXT3
DXT3_FOURCC = 0x33545844

# DXT5
DXT5_FOURCC = 0x35545844

# dxgiformat.h

DXGI_FORMAT_R8G8B8A8_TYPELESS = 27
DXGI_FORMAT_R8G8B8A8_UNORM = 28
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29
DXGI_FORMAT_BC5_TYPELESS = 82
DXGI_FORMAT_BC5_UNORM = 83
DXGI_FORMAT_BC5_SNORM = 84
DXGI_FORMAT_BC7_TYPELESS = 97
DXGI_FORMAT_BC7_UNORM = 98
DXGI_FORMAT_BC7_UNORM_SRGB = 99

class DdsImageFile(ImageFile.ImageFile):
    format = "DDS"
    format_description = "DirectDraw Surface"

def _open(self):
        magic, header_size = struct.unpack("<II", self.fp.read(8))
        if header_size != 124:
            raise OSError(f"Unsupported header size {repr(header_size)}")
        header_bytes = self.fp.read(header_size - 4)
        if len(header_bytes) != 120:
            raise OSError(f"Incomplete header: {len(header_bytes)} bytes")
        header = BytesIO(header_bytes)

flags, height, width = struct.unpack("<3I", header.read(12))
        self._size = (width, height)
        self.mode = "RGBA"

pitch, depth, mipmaps = struct.unpack("<3I", header.read(12))
        struct.unpack("<11I", header.read(44))  # reserved

# pixel format
        pfsize, pfflags = struct.unpack("<2I", header.read(8))
        fourcc = header.read(4)
        (bitcount,) = struct.unpack("<I", header.read(4))
        masks = struct.unpack("<4I", header.read(16))
        if pfflags & DDPF_RGB:
            # Texture contains uncompressed RGB data
            masks = {mask: ["R", "G", "B", "A"][i] for i, mask in enumerate(masks)}
            rawmode = ""
            if bitcount == 32:
                rawmode += masks[0xFF000000]
            else:
                self.mode = "RGB"
            rawmode += masks[0xFF0000] + masks[0xFF00] + masks[0xFF]

self.tile = [("raw", (0, 0) + self.size, 0, (rawmode[::-1], 0, 1))]
        else:
            data_start = header_size + 4
            n = 0
            if fourcc == b"DXT1":
                self.pixel_format = "DXT1"
                n = 1
            elif fourcc == b"DXT3":
                self.pixel_format = "DXT3"
                n = 2
            elif fourcc == b"DXT5":
                self.pixel_format = "DXT5"
                n = 3
            elif fourcc == b"BC5S":
                self.pixel_format = "BC5S"
                n = 5
                self.mode = "RGB"
            elif fourcc == b"DX10":
                data_start += 20
                # ignoring flags which pertain to volume textures and cubemaps
                (dxgi_format,) = struct.unpack("<I", self.fp.read(4))
                self.fp.read(16)
                if dxgi_format in (DXGI_FORMAT_BC5_TYPELESS, DXGI_FORMAT_BC5_UNORM):
                    self.pixel_format = "BC5"
                    n = 5
                    self.mode = "RGB"
                elif dxgi_format == DXGI_FORMAT_BC5_SNORM:
                    self.pixel_format = "BC5S"
                    n = 5
                    self.mode = "RGB"
                elif dxgi_format in (DXGI_FORMAT_BC7_TYPELESS, DXGI_FORMAT_BC7_UNORM):
                    self.pixel_format = "BC7"
                    n = 7
                elif dxgi_format == DXGI_FORMAT_BC7_UNORM_SRGB:
                    self.pixel_format = "BC7"
                    self.info["gamma"] = 1 / 2.2
                    n = 7
                elif dxgi_format in (
                    DXGI_FORMAT_R8G8B8A8_TYPELESS,
                    DXGI_FORMAT_R8G8B8A8_UNORM,
                    DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
                ):
                    self.tile = [("raw", (0, 0) + self.size, 0, ("RGBA", 0, 1))]
                    if dxgi_format == DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
                        self.info["gamma"] = 1 / 2.2
                    return
                else:
                    raise NotImplementedError(
                        f"Unimplemented DXGI format {dxgi_format}"
                    )
            else:
                raise NotImplementedError(f"Unimplemented pixel format {repr(fourcc)}")

self.tile = [
                ("bcn", (0, 0) + self.size, data_start, (n, self.pixel_format))
            ]

def load_seek(self, pos):
        pass

def _save(im, fp, filename):
    if im.mode not in ("RGB", "RGBA"):
        raise OSError(f"cannot write mode {im.mode} as DDS")

fp.write(
        o32(DDS_MAGIC)
        + o32(124)  # header size
        + o32(
            DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PITCH | DDSD_PIXELFORMAT
        )  # flags
        + o32(im.height)
        + o32(im.width)
        + o32((im.width * (32 if im.mode == "RGBA" else 24) + 7) // 8)  # pitch
        + o32(0)  # depth
        + o32(0)  # mipmaps
        + o32(0) * 11  # reserved
        + o32(32)  # pfsize
        + o32(DDS_RGBA if im.mode == "RGBA" else DDPF_RGB)  # pfflags
        + o32(0)  # fourcc
        + o32(32 if im.mode == "RGBA" else 24)  # bitcount
        + o32(0xFF0000)  # rbitmask
        + o32(0xFF00)  # gbitmask
        + o32(0xFF)  # bbitmask
        + o32(0xFF000000 if im.mode == "RGBA" else 0)  # abitmask
        + o32(DDSCAPS_TEXTURE)  # dwCaps
        + o32(0)  # dwCaps2
        + o32(0)  # dwCaps3
        + o32(0)  # dwCaps4
        + o32(0)  # dwReserved2
    )
    if im.mode == "RGBA":
        r, g, b, a = im.split()
        im = Image.merge("RGBA", (a, r, g, b))
    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (im.mode[::-1], 0, 1))])

def _accept(prefix):
    return prefix[:4] == b"DDS "

Image.register_open(DdsImageFile.format, DdsImageFile, _accept)
Image.register_save(DdsImageFile.format, _save)
Image.register_extension(DdsImageFile.format, ".dds")

${this.title}

Code Editor : DdsImagePlugin.py