admin / Synapse-Cortex
publicSelf Hosted ITSM Tool with RBAC/Tenanting and MFA
Synapse-Cortex / synapse-cortex / .venv / Lib / site-packages / PIL / DdsImagePlugin.py
19733 B · main
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 | """ A Pillow plugin for .dds files (S3TC-compressed aka DXTC) Jerome Leclanche <[email protected]> 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/ """ from __future__ import annotations import struct import sys from enum import IntEnum, IntFlag from typing import IO from . import Image, ImageFile, ImagePalette from ._binary import i32le as i32 from ._binary import o8 from ._binary import o32le as o32 # Magic ("DDS ") DDS_MAGIC = 0x20534444 # DDS flags class DDSD(IntFlag): CAPS = 0x1 HEIGHT = 0x2 WIDTH = 0x4 PITCH = 0x8 PIXELFORMAT = 0x1000 MIPMAPCOUNT = 0x20000 LINEARSIZE = 0x80000 DEPTH = 0x800000 # DDS caps class DDSCAPS(IntFlag): COMPLEX = 0x8 TEXTURE = 0x1000 MIPMAP = 0x400000 class DDSCAPS2(IntFlag): CUBEMAP = 0x200 CUBEMAP_POSITIVEX = 0x400 CUBEMAP_NEGATIVEX = 0x800 CUBEMAP_POSITIVEY = 0x1000 CUBEMAP_NEGATIVEY = 0x2000 CUBEMAP_POSITIVEZ = 0x4000 CUBEMAP_NEGATIVEZ = 0x8000 VOLUME = 0x200000 # Pixel Format class DDPF(IntFlag): ALPHAPIXELS = 0x1 ALPHA = 0x2 FOURCC = 0x4 PALETTEINDEXED8 = 0x20 RGB = 0x40 LUMINANCE = 0x20000 # dxgiformat.h class DXGI_FORMAT(IntEnum): UNKNOWN = 0 R32G32B32A32_TYPELESS = 1 R32G32B32A32_FLOAT = 2 R32G32B32A32_UINT = 3 R32G32B32A32_SINT = 4 R32G32B32_TYPELESS = 5 R32G32B32_FLOAT = 6 R32G32B32_UINT = 7 R32G32B32_SINT = 8 R16G16B16A16_TYPELESS = 9 R16G16B16A16_FLOAT = 10 R16G16B16A16_UNORM = 11 R16G16B16A16_UINT = 12 R16G16B16A16_SNORM = 13 R16G16B16A16_SINT = 14 R32G32_TYPELESS = 15 R32G32_FLOAT = 16 R32G32_UINT = 17 R32G32_SINT = 18 R32G8X24_TYPELESS = 19 D32_FLOAT_S8X24_UINT = 20 R32_FLOAT_X8X24_TYPELESS = 21 X32_TYPELESS_G8X24_UINT = 22 R10G10B10A2_TYPELESS = 23 R10G10B10A2_UNORM = 24 R10G10B10A2_UINT = 25 R11G11B10_FLOAT = 26 R8G8B8A8_TYPELESS = 27 R8G8B8A8_UNORM = 28 R8G8B8A8_UNORM_SRGB = 29 R8G8B8A8_UINT = 30 R8G8B8A8_SNORM = 31 R8G8B8A8_SINT = 32 R16G16_TYPELESS = 33 R16G16_FLOAT = 34 R16G16_UNORM = 35 R16G16_UINT = 36 R16G16_SNORM = 37 R16G16_SINT = 38 R32_TYPELESS = 39 D32_FLOAT = 40 R32_FLOAT = 41 R32_UINT = 42 R32_SINT = 43 R24G8_TYPELESS = 44 D24_UNORM_S8_UINT = 45 R24_UNORM_X8_TYPELESS = 46 X24_TYPELESS_G8_UINT = 47 R8G8_TYPELESS = 48 R8G8_UNORM = 49 R8G8_UINT = 50 R8G8_SNORM = 51 R8G8_SINT = 52 R16_TYPELESS = 53 R16_FLOAT = 54 D16_UNORM = 55 R16_UNORM = 56 R16_UINT = 57 R16_SNORM = 58 R16_SINT = 59 R8_TYPELESS = 60 R8_UNORM = 61 R8_UINT = 62 R8_SNORM = 63 R8_SINT = 64 A8_UNORM = 65 R1_UNORM = 66 R9G9B9E5_SHAREDEXP = 67 R8G8_B8G8_UNORM = 68 G8R8_G8B8_UNORM = 69 BC1_TYPELESS = 70 BC1_UNORM = 71 BC1_UNORM_SRGB = 72 BC2_TYPELESS = 73 BC2_UNORM = 74 BC2_UNORM_SRGB = 75 BC3_TYPELESS = 76 BC3_UNORM = 77 BC3_UNORM_SRGB = 78 BC4_TYPELESS = 79 BC4_UNORM = 80 BC4_SNORM = 81 BC5_TYPELESS = 82 BC5_UNORM = 83 BC5_SNORM = 84 B5G6R5_UNORM = 85 B5G5R5A1_UNORM = 86 B8G8R8A8_UNORM = 87 B8G8R8X8_UNORM = 88 R10G10B10_XR_BIAS_A2_UNORM = 89 B8G8R8A8_TYPELESS = 90 B8G8R8A8_UNORM_SRGB = 91 B8G8R8X8_TYPELESS = 92 B8G8R8X8_UNORM_SRGB = 93 BC6H_TYPELESS = 94 BC6H_UF16 = 95 BC6H_SF16 = 96 BC7_TYPELESS = 97 BC7_UNORM = 98 BC7_UNORM_SRGB = 99 AYUV = 100 Y410 = 101 Y416 = 102 NV12 = 103 P010 = 104 P016 = 105 OPAQUE_420 = 106 YUY2 = 107 Y210 = 108 Y216 = 109 NV11 = 110 AI44 = 111 IA44 = 112 P8 = 113 A8P8 = 114 B4G4R4A4_UNORM = 115 P208 = 130 V208 = 131 V408 = 132 SAMPLER_FEEDBACK_MIN_MIP_OPAQUE = 189 SAMPLER_FEEDBACK_MIP_REGION_USED_OPAQUE = 190 class D3DFMT(IntEnum): UNKNOWN = 0 R8G8B8 = 20 A8R8G8B8 = 21 X8R8G8B8 = 22 R5G6B5 = 23 X1R5G5B5 = 24 A1R5G5B5 = 25 A4R4G4B4 = 26 R3G3B2 = 27 A8 = 28 A8R3G3B2 = 29 X4R4G4B4 = 30 A2B10G10R10 = 31 A8B8G8R8 = 32 X8B8G8R8 = 33 G16R16 = 34 A2R10G10B10 = 35 A16B16G16R16 = 36 A8P8 = 40 P8 = 41 L8 = 50 A8L8 = 51 A4L4 = 52 V8U8 = 60 L6V5U5 = 61 X8L8V8U8 = 62 Q8W8V8U8 = 63 V16U16 = 64 A2W10V10U10 = 67 D16_LOCKABLE = 70 D32 = 71 D15S1 = 73 D24S8 = 75 D24X8 = 77 D24X4S4 = 79 D16 = 80 D32F_LOCKABLE = 82 D24FS8 = 83 D32_LOCKABLE = 84 S8_LOCKABLE = 85 L16 = 81 VERTEXDATA = 100 INDEX16 = 101 INDEX32 = 102 Q16W16V16U16 = 110 R16F = 111 G16R16F = 112 A16B16G16R16F = 113 R32F = 114 G32R32F = 115 A32B32G32R32F = 116 CxV8U8 = 117 A1 = 118 A2B10G10R10_XR_BIAS = 119 BINARYBUFFER = 199 UYVY = i32(b"UYVY") R8G8_B8G8 = i32(b"RGBG") YUY2 = i32(b"YUY2") G8R8_G8B8 = i32(b"GRGB") DXT1 = i32(b"DXT1") DXT2 = i32(b"DXT2") DXT3 = i32(b"DXT3") DXT4 = i32(b"DXT4") DXT5 = i32(b"DXT5") DX10 = i32(b"DX10") BC4S = i32(b"BC4S") BC4U = i32(b"BC4U") BC5S = i32(b"BC5S") BC5U = i32(b"BC5U") ATI1 = i32(b"ATI1") ATI2 = i32(b"ATI2") MULTI2_ARGB8 = i32(b"MET1") # Backward compatibility layer module = sys.modules[__name__] for item in DDSD: assert item.name is not None setattr(module, f"DDSD_{item.name}", item.value) for item1 in DDSCAPS: assert item1.name is not None setattr(module, f"DDSCAPS_{item1.name}", item1.value) for item2 in DDSCAPS2: assert item2.name is not None setattr(module, f"DDSCAPS2_{item2.name}", item2.value) for item3 in DDPF: assert item3.name is not None setattr(module, f"DDPF_{item3.name}", item3.value) 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_FOURCC = D3DFMT.DXT1 DXT3_FOURCC = D3DFMT.DXT3 DXT5_FOURCC = D3DFMT.DXT5 DXGI_FORMAT_R8G8B8A8_TYPELESS = DXGI_FORMAT.R8G8B8A8_TYPELESS DXGI_FORMAT_R8G8B8A8_UNORM = DXGI_FORMAT.R8G8B8A8_UNORM DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = DXGI_FORMAT.R8G8B8A8_UNORM_SRGB DXGI_FORMAT_BC5_TYPELESS = DXGI_FORMAT.BC5_TYPELESS DXGI_FORMAT_BC5_UNORM = DXGI_FORMAT.BC5_UNORM DXGI_FORMAT_BC5_SNORM = DXGI_FORMAT.BC5_SNORM DXGI_FORMAT_BC6H_UF16 = DXGI_FORMAT.BC6H_UF16 DXGI_FORMAT_BC6H_SF16 = DXGI_FORMAT.BC6H_SF16 DXGI_FORMAT_BC7_TYPELESS = DXGI_FORMAT.BC7_TYPELESS DXGI_FORMAT_BC7_UNORM = DXGI_FORMAT.BC7_UNORM DXGI_FORMAT_BC7_UNORM_SRGB = DXGI_FORMAT.BC7_UNORM_SRGB class DdsImageFile(ImageFile.ImageFile): format = "DDS" format_description = "DirectDraw Surface" def _open(self) -> None: assert self.fp is not None if not _accept(self.fp.read(4)): msg = "not a DDS file" raise SyntaxError(msg) (header_size,) = struct.unpack("<I", self.fp.read(4)) if header_size != 124: msg = f"Unsupported header size {repr(header_size)}" raise OSError(msg) header = self.fp.read(header_size - 4) if len(header) != 120: msg = f"Incomplete header: {len(header)} bytes" raise OSError(msg) flags, height, width = struct.unpack("<3I", header[:12]) self._size = (width, height) extents = (0, 0) + self.size pitch, depth, mipmaps = struct.unpack("<3I", header[12:24]) struct.unpack("<11I", header[24:68]) # reserved # pixel format pfsize, pfflags, fourcc, bitcount = struct.unpack("<4I", header[68:84]) n = 0 rawmode = None if pfflags & DDPF.RGB: # Texture contains uncompressed RGB data if pfflags & DDPF.ALPHAPIXELS: self._mode = "RGBA" mask_count = 4 else: self._mode = "RGB" mask_count = 3 masks = struct.unpack(f"<{mask_count}I", header[84 : 84 + mask_count * 4]) self.tile = [ImageFile._Tile("dds_rgb", extents, 0, (bitcount, masks))] return elif pfflags & DDPF.LUMINANCE: if bitcount == 8: self._mode = "L" elif bitcount == 16 and pfflags & DDPF.ALPHAPIXELS: self._mode = "LA" else: msg = f"Unsupported bitcount {bitcount} for {pfflags}" raise OSError(msg) elif pfflags & DDPF.PALETTEINDEXED8: self._mode = "P" self.palette = ImagePalette.raw("RGBA", self.fp.read(1024)) self.palette.mode = "RGBA" elif pfflags & DDPF.FOURCC: offset = header_size + 4 if fourcc == D3DFMT.DXT1: self._mode = "RGBA" self.pixel_format = "DXT1" n = 1 elif fourcc == D3DFMT.DXT3: self._mode = "RGBA" self.pixel_format = "DXT3" n = 2 elif fourcc == D3DFMT.DXT5: self._mode = "RGBA" self.pixel_format = "DXT5" n = 3 elif fourcc in (D3DFMT.BC4U, D3DFMT.ATI1): self._mode = "L" self.pixel_format = "BC4" n = 4 elif fourcc == D3DFMT.BC5S: self._mode = "RGB" self.pixel_format = "BC5S" n = 5 elif fourcc in (D3DFMT.BC5U, D3DFMT.ATI2): self._mode = "RGB" self.pixel_format = "BC5" n = 5 elif fourcc == D3DFMT.DX10: offset += 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.BC1_UNORM, DXGI_FORMAT.BC1_TYPELESS, ): self._mode = "RGBA" self.pixel_format = "BC1" n = 1 elif dxgi_format in (DXGI_FORMAT.BC2_TYPELESS, DXGI_FORMAT.BC2_UNORM): self._mode = "RGBA" self.pixel_format = "BC2" n = 2 elif dxgi_format in (DXGI_FORMAT.BC3_TYPELESS, DXGI_FORMAT.BC3_UNORM): self._mode = "RGBA" self.pixel_format = "BC3" n = 3 elif dxgi_format in (DXGI_FORMAT.BC4_TYPELESS, DXGI_FORMAT.BC4_UNORM): self._mode = "L" self.pixel_format = "BC4" n = 4 elif dxgi_format in (DXGI_FORMAT.BC5_TYPELESS, DXGI_FORMAT.BC5_UNORM): self._mode = "RGB" self.pixel_format = "BC5" n = 5 elif dxgi_format == DXGI_FORMAT.BC5_SNORM: self._mode = "RGB" self.pixel_format = "BC5S" n = 5 elif dxgi_format == DXGI_FORMAT.BC6H_UF16: self._mode = "RGB" self.pixel_format = "BC6H" n = 6 elif dxgi_format == DXGI_FORMAT.BC6H_SF16: self._mode = "RGB" self.pixel_format = "BC6HS" n = 6 elif dxgi_format in ( DXGI_FORMAT.BC7_TYPELESS, DXGI_FORMAT.BC7_UNORM, DXGI_FORMAT.BC7_UNORM_SRGB, ): self._mode = "RGBA" self.pixel_format = "BC7" n = 7 if dxgi_format == DXGI_FORMAT.BC7_UNORM_SRGB: self.info["gamma"] = 1 / 2.2 elif dxgi_format in ( DXGI_FORMAT.R8G8B8A8_TYPELESS, DXGI_FORMAT.R8G8B8A8_UNORM, DXGI_FORMAT.R8G8B8A8_UNORM_SRGB, ): self._mode = "RGBA" if dxgi_format == DXGI_FORMAT.R8G8B8A8_UNORM_SRGB: self.info["gamma"] = 1 / 2.2 else: msg = f"Unimplemented DXGI format {dxgi_format}" raise NotImplementedError(msg) else: msg = f"Unimplemented pixel format {repr(fourcc)}" raise NotImplementedError(msg) else: msg = f"Unknown pixel format flags {pfflags}" raise NotImplementedError(msg) if n: self.tile = [ ImageFile._Tile("bcn", extents, offset, (n, self.pixel_format)) ] else: self.tile = [ImageFile._Tile("raw", extents, 0, rawmode or self.mode)] def load_seek(self, pos: int) -> None: pass class DdsRgbDecoder(ImageFile.PyDecoder): _pulls_fd = True def decode(self, buffer: Image.DecoderInput) -> tuple[int, int]: bitcount, masks = self.args data = bytearray() bytecount = bitcount // 8 if not bytecount: self.set_as_raw(data) return -1, 0 # Some masks will be padded with zeros, e.g. R 0b11 G 0b1100 # Calculate how many zeros each mask is padded with mask_offsets = [] # And the maximum value of each channel without the padding mask_totals = [] for mask in masks: offset = 0 if mask != 0: while mask >> (offset + 1) << (offset + 1) == mask: offset += 1 mask_offsets.append(offset) mask_totals.append(mask >> offset) assert self.fd is not None dest_length = self.state.xsize * self.state.ysize * len(masks) while len(data) < dest_length: bytes_read = self.fd.read(bytecount) if len(bytes_read) < bytecount: break value = int.from_bytes(bytes_read, "little") for i, mask in enumerate(masks): masked_value = value & mask # Remove the zero padding, and scale it to 8 bits data += o8( int(((masked_value >> mask_offsets[i]) / mask_totals[i]) * 255) if mask_totals[i] else 0 ) self.set_as_raw(data) return -1, 0 def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None: if im.mode not in ("RGB", "RGBA", "L", "LA"): msg = f"cannot write mode {im.mode} as DDS" raise OSError(msg) flags = DDSD.CAPS | DDSD.HEIGHT | DDSD.WIDTH | DDSD.PIXELFORMAT bitcount = len(im.getbands()) * 8 pixel_format = im.encoderinfo.get("pixel_format") args: tuple[int] | str if pixel_format: codec_name = "bcn" flags |= DDSD.LINEARSIZE pitch = (im.width + 3) * 4 rgba_mask = [0, 0, 0, 0] pixel_flags = DDPF.FOURCC if pixel_format == "DXT1": fourcc = D3DFMT.DXT1 args = (1,) elif pixel_format == "DXT3": fourcc = D3DFMT.DXT3 args = (2,) elif pixel_format == "DXT5": fourcc = D3DFMT.DXT5 args = (3,) else: fourcc = D3DFMT.DX10 if pixel_format == "BC2": args = (2,) dxgi_format = DXGI_FORMAT.BC2_TYPELESS elif pixel_format == "BC3": args = (3,) dxgi_format = DXGI_FORMAT.BC3_TYPELESS elif pixel_format == "BC5": args = (5,) dxgi_format = DXGI_FORMAT.BC5_TYPELESS if im.mode != "RGB": msg = "only RGB mode can be written as BC5" raise OSError(msg) else: msg = f"cannot write pixel format {pixel_format}" raise OSError(msg) else: codec_name = "raw" flags |= DDSD.PITCH pitch = (im.width * bitcount + 7) // 8 alpha = im.mode[-1] == "A" if im.mode[0] == "L": pixel_flags = DDPF.LUMINANCE args = im.mode if alpha: rgba_mask = [0x000000FF, 0x000000FF, 0x000000FF] else: rgba_mask = [0xFF000000, 0xFF000000, 0xFF000000] else: pixel_flags = DDPF.RGB args = im.mode[::-1] rgba_mask = [0x00FF0000, 0x0000FF00, 0x000000FF] if alpha: r, g, b, a = im.split() im = Image.merge("RGBA", (a, r, g, b)) if alpha: pixel_flags |= DDPF.ALPHAPIXELS rgba_mask.append(0xFF000000 if alpha else 0) fourcc = D3DFMT.UNKNOWN fp.write( o32(DDS_MAGIC) + struct.pack( "<7I", 124, # header size flags, # flags im.height, im.width, pitch, 0, # depth 0, # mipmaps ) + struct.pack("11I", *((0,) * 11)) # reserved # pfsize, pfflags, fourcc, bitcount + struct.pack("<4I", 32, pixel_flags, fourcc, bitcount) + struct.pack("<4I", *rgba_mask) # dwRGBABitMask + struct.pack("<5I", DDSCAPS.TEXTURE, 0, 0, 0, 0) ) if fourcc == D3DFMT.DX10: fp.write( # dxgi_format, 2D resource, misc, array size, straight alpha struct.pack("<5I", dxgi_format, 3, 0, 0, 1) ) ImageFile._save(im, fp, [ImageFile._Tile(codec_name, (0, 0) + im.size, 0, args)]) def _accept(prefix: bytes) -> bool: return prefix.startswith(b"DDS ") Image.register_open(DdsImageFile.format, DdsImageFile, _accept) Image.register_decoder("dds_rgb", DdsRgbDecoder) Image.register_save(DdsImageFile.format, _save) Image.register_extension(DdsImageFile.format, ".dds") |