| 1 | // Created on: 2010-09-16 |
| 2 | // Created by: KGV |
| 3 | // Copyright (c) 2010-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifdef HAVE_FREEIMAGE |
| 17 | #include <FreeImage.h> |
| 18 | |
| 19 | #ifdef _MSC_VER |
| 20 | #pragma comment( lib, "FreeImage.lib" ) |
| 21 | #endif |
| 22 | #endif |
| 23 | |
| 24 | #include <Image_AlienPixMap.hxx> |
| 25 | #include <gp.hxx> |
| 26 | #include <Message.hxx> |
| 27 | #include <Message_Messenger.hxx> |
| 28 | #include <TCollection_AsciiString.hxx> |
| 29 | #include <TCollection_ExtendedString.hxx> |
| 30 | #include <OSD_OpenFile.hxx> |
| 31 | #include <fstream> |
| 32 | #include <algorithm> |
| 33 | |
| 34 | IMPLEMENT_STANDARD_RTTIEXT(Image_AlienPixMap,Image_PixMap) |
| 35 | |
| 36 | #ifdef HAVE_FREEIMAGE |
| 37 | namespace |
| 38 | { |
| 39 | static Image_PixMap::ImgFormat convertFromFreeFormat (FREE_IMAGE_TYPE theFormatFI, |
| 40 | FREE_IMAGE_COLOR_TYPE theColorTypeFI, |
| 41 | unsigned theBitsPerPixel) |
| 42 | { |
| 43 | switch (theFormatFI) |
| 44 | { |
| 45 | case FIT_RGBF: return Image_PixMap::ImgRGBF; |
| 46 | case FIT_RGBAF: return Image_PixMap::ImgRGBAF; |
| 47 | case FIT_FLOAT: return Image_PixMap::ImgGrayF; |
| 48 | case FIT_BITMAP: |
| 49 | { |
| 50 | switch (theColorTypeFI) |
| 51 | { |
| 52 | case FIC_MINISBLACK: |
| 53 | { |
| 54 | return Image_PixMap::ImgGray; |
| 55 | } |
| 56 | case FIC_RGB: |
| 57 | { |
| 58 | if (Image_PixMap::IsBigEndianHost()) |
| 59 | { |
| 60 | return (theBitsPerPixel == 32) ? Image_PixMap::ImgRGB32 : Image_PixMap::ImgRGB; |
| 61 | } |
| 62 | else |
| 63 | { |
| 64 | return (theBitsPerPixel == 32) ? Image_PixMap::ImgBGR32 : Image_PixMap::ImgBGR; |
| 65 | } |
| 66 | } |
| 67 | case FIC_RGBALPHA: |
| 68 | { |
| 69 | return Image_PixMap::IsBigEndianHost() ? Image_PixMap::ImgRGBA : Image_PixMap::ImgBGRA; |
| 70 | } |
| 71 | default: |
| 72 | return Image_PixMap::ImgUNKNOWN; |
| 73 | } |
| 74 | } |
| 75 | default: |
| 76 | return Image_PixMap::ImgUNKNOWN; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static FREE_IMAGE_TYPE convertToFreeFormat (Image_PixMap::ImgFormat theFormat) |
| 81 | { |
| 82 | switch (theFormat) |
| 83 | { |
| 84 | case Image_PixMap::ImgGrayF: |
| 85 | case Image_PixMap::ImgAlphaF: |
| 86 | return FIT_FLOAT; |
| 87 | case Image_PixMap::ImgRGBAF: |
| 88 | return FIT_RGBAF; |
| 89 | case Image_PixMap::ImgRGBF: |
| 90 | return FIT_RGBF; |
| 91 | case Image_PixMap::ImgRGBA: |
| 92 | case Image_PixMap::ImgBGRA: |
| 93 | case Image_PixMap::ImgRGB32: |
| 94 | case Image_PixMap::ImgBGR32: |
| 95 | case Image_PixMap::ImgRGB: |
| 96 | case Image_PixMap::ImgBGR: |
| 97 | case Image_PixMap::ImgGray: |
| 98 | case Image_PixMap::ImgAlpha: |
| 99 | return FIT_BITMAP; |
| 100 | default: |
| 101 | return FIT_UNKNOWN; |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | #endif |
| 106 | |
| 107 | |
| 108 | // ======================================================================= |
| 109 | // function : Image_AlienPixMap |
| 110 | // purpose : |
| 111 | // ======================================================================= |
| 112 | Image_AlienPixMap::Image_AlienPixMap() |
| 113 | : myLibImage (NULL) |
| 114 | { |
| 115 | SetTopDown (false); |
| 116 | } |
| 117 | |
| 118 | // ======================================================================= |
| 119 | // function : ~Image_AlienPixMap |
| 120 | // purpose : |
| 121 | // ======================================================================= |
| 122 | Image_AlienPixMap::~Image_AlienPixMap() |
| 123 | { |
| 124 | Clear(); |
| 125 | } |
| 126 | |
| 127 | // ======================================================================= |
| 128 | // function : InitWrapper |
| 129 | // purpose : |
| 130 | // ======================================================================= |
| 131 | bool Image_AlienPixMap::InitWrapper (ImgFormat, |
| 132 | Standard_Byte*, |
| 133 | const Standard_Size, |
| 134 | const Standard_Size, |
| 135 | const Standard_Size) |
| 136 | { |
| 137 | Clear(); |
| 138 | return false; |
| 139 | } |
| 140 | |
| 141 | // ======================================================================= |
| 142 | // function : InitTrash |
| 143 | // purpose : |
| 144 | // ======================================================================= |
| 145 | #ifdef HAVE_FREEIMAGE |
| 146 | bool Image_AlienPixMap::InitTrash (ImgFormat thePixelFormat, |
| 147 | const Standard_Size theSizeX, |
| 148 | const Standard_Size theSizeY, |
| 149 | const Standard_Size /*theSizeRowBytes*/) |
| 150 | { |
| 151 | Clear(); |
| 152 | FREE_IMAGE_TYPE aFormatFI = convertToFreeFormat (thePixelFormat); |
| 153 | int aBitsPerPixel = (int )Image_PixMap::SizePixelBytes (thePixelFormat) * 8; |
| 154 | if (aFormatFI == FIT_UNKNOWN) |
| 155 | { |
| 156 | aFormatFI = FIT_BITMAP; |
| 157 | aBitsPerPixel = 24; |
| 158 | } |
| 159 | |
| 160 | FIBITMAP* anImage = FreeImage_AllocateT (aFormatFI, (int )theSizeX, (int )theSizeY, aBitsPerPixel); |
| 161 | Image_PixMap::ImgFormat aFormat = convertFromFreeFormat (FreeImage_GetImageType (anImage), |
| 162 | FreeImage_GetColorType (anImage), |
| 163 | FreeImage_GetBPP (anImage)); |
| 164 | if (thePixelFormat == Image_PixMap::ImgBGR32 |
| 165 | || thePixelFormat == Image_PixMap::ImgRGB32) |
| 166 | { |
| 167 | //FreeImage_SetTransparent (anImage, FALSE); |
| 168 | aFormat = (aFormat == Image_PixMap::ImgBGRA) ? Image_PixMap::ImgBGR32 : Image_PixMap::ImgRGB32; |
| 169 | } |
| 170 | |
| 171 | Image_PixMap::InitWrapper (aFormat, FreeImage_GetBits (anImage), |
| 172 | FreeImage_GetWidth (anImage), FreeImage_GetHeight (anImage), FreeImage_GetPitch (anImage)); |
| 173 | SetTopDown (false); |
| 174 | |
| 175 | // assign image after wrapper initialization (virtual Clear() called inside) |
| 176 | myLibImage = anImage; |
| 177 | return true; |
| 178 | } |
| 179 | #else |
| 180 | bool Image_AlienPixMap::InitTrash (ImgFormat thePixelFormat, |
| 181 | const Standard_Size theSizeX, |
| 182 | const Standard_Size theSizeY, |
| 183 | const Standard_Size theSizeRowBytes) |
| 184 | { |
| 185 | return Image_PixMap::InitTrash (thePixelFormat, theSizeX, theSizeY, theSizeRowBytes); |
| 186 | } |
| 187 | #endif |
| 188 | |
| 189 | // ======================================================================= |
| 190 | // function : InitCopy |
| 191 | // purpose : |
| 192 | // ======================================================================= |
| 193 | bool Image_AlienPixMap::InitCopy (const Image_PixMap& theCopy) |
| 194 | { |
| 195 | if (&theCopy == this) |
| 196 | { |
| 197 | // self-copying disallowed |
| 198 | return false; |
| 199 | } |
| 200 | if (!InitTrash (theCopy.Format(), theCopy.SizeX(), theCopy.SizeY(), theCopy.SizeRowBytes())) |
| 201 | { |
| 202 | return false; |
| 203 | } |
| 204 | |
| 205 | if (myImgFormat == theCopy.Format()) |
| 206 | { |
| 207 | if (SizeRowBytes() == theCopy.SizeRowBytes() |
| 208 | && TopDownInc() == theCopy.TopDownInc()) |
| 209 | { |
| 210 | // copy with one call |
| 211 | memcpy (ChangeData(), theCopy.Data(), std::min (SizeBytes(), theCopy.SizeBytes())); |
| 212 | return true; |
| 213 | } |
| 214 | |
| 215 | // copy row-by-row |
| 216 | const Standard_Size aRowSizeBytes = std::min (SizeRowBytes(), theCopy.SizeRowBytes()); |
| 217 | for (Standard_Size aRow = 0; aRow < myData.SizeY; ++aRow) |
| 218 | { |
| 219 | memcpy (ChangeRow (aRow), theCopy.Row (aRow), aRowSizeBytes); |
| 220 | } |
| 221 | return true; |
| 222 | } |
| 223 | |
| 224 | // pixel format conversion required |
| 225 | Clear(); |
| 226 | return false; |
| 227 | } |
| 228 | |
| 229 | // ======================================================================= |
| 230 | // function : Clear |
| 231 | // purpose : |
| 232 | // ======================================================================= |
| 233 | void Image_AlienPixMap::Clear() |
| 234 | { |
| 235 | Image_PixMap::Clear(); |
| 236 | #ifdef HAVE_FREEIMAGE |
| 237 | if (myLibImage != NULL) |
| 238 | { |
| 239 | FreeImage_Unload (myLibImage); |
| 240 | myLibImage = NULL; |
| 241 | } |
| 242 | #endif |
| 243 | } |
| 244 | |
| 245 | // ======================================================================= |
| 246 | // function : Load |
| 247 | // purpose : |
| 248 | // ======================================================================= |
| 249 | #ifdef HAVE_FREEIMAGE |
| 250 | bool Image_AlienPixMap::Load (const TCollection_AsciiString& theImagePath) |
| 251 | { |
| 252 | Clear(); |
| 253 | |
| 254 | #ifdef _WIN32 |
| 255 | const TCollection_ExtendedString aFileNameW (theImagePath.ToCString(), Standard_True); |
| 256 | FREE_IMAGE_FORMAT aFIF = FreeImage_GetFileTypeU (aFileNameW.ToWideString(), 0); |
| 257 | #else |
| 258 | FREE_IMAGE_FORMAT aFIF = FreeImage_GetFileType (theImagePath.ToCString(), 0); |
| 259 | #endif |
| 260 | if (aFIF == FIF_UNKNOWN) |
| 261 | { |
| 262 | // no signature? try to guess the file format from the file extension |
| 263 | aFIF = FreeImage_GetFIFFromFilename (theImagePath.ToCString()); |
| 264 | } |
| 265 | if ((aFIF == FIF_UNKNOWN) || !FreeImage_FIFSupportsReading (aFIF)) |
| 266 | { |
| 267 | TCollection_AsciiString aMessage = "Error: image file '"; |
| 268 | aMessage.AssignCat (theImagePath); |
| 269 | aMessage.AssignCat ("' has unsupported file format."); |
| 270 | ::Message::DefaultMessenger()->Send (aMessage, Message_Fail); |
| 271 | return false; |
| 272 | } |
| 273 | |
| 274 | int aLoadFlags = 0; |
| 275 | if (aFIF == FIF_GIF) |
| 276 | { |
| 277 | // 'Play' the GIF to generate each frame (as 32bpp) instead of returning raw frame data when loading |
| 278 | aLoadFlags = GIF_PLAYBACK; |
| 279 | } |
| 280 | else if (aFIF == FIF_ICO) |
| 281 | { |
| 282 | // convert to 32bpp and create an alpha channel from the AND-mask when loading |
| 283 | aLoadFlags = ICO_MAKEALPHA; |
| 284 | } |
| 285 | |
| 286 | #ifdef _WIN32 |
| 287 | FIBITMAP* anImage = FreeImage_LoadU (aFIF, aFileNameW.ToWideString(), aLoadFlags); |
| 288 | #else |
| 289 | FIBITMAP* anImage = FreeImage_Load (aFIF, theImagePath.ToCString(), aLoadFlags); |
| 290 | #endif |
| 291 | if (anImage == NULL) |
| 292 | { |
| 293 | TCollection_AsciiString aMessage = "Error: image file '"; |
| 294 | aMessage.AssignCat (theImagePath); |
| 295 | aMessage.AssignCat ("' is missing or invalid."); |
| 296 | ::Message::DefaultMessenger()->Send (aMessage, Message_Fail); |
| 297 | return false; |
| 298 | } |
| 299 | |
| 300 | Image_PixMap::ImgFormat aFormat = convertFromFreeFormat (FreeImage_GetImageType (anImage), |
| 301 | FreeImage_GetColorType (anImage), |
| 302 | FreeImage_GetBPP (anImage)); |
| 303 | if (aFormat == Image_PixMap::ImgUNKNOWN) |
| 304 | { |
| 305 | //anImage = FreeImage_ConvertTo24Bits (anImage); |
| 306 | TCollection_AsciiString aMessage = "Error: image file '"; |
| 307 | aMessage.AssignCat (theImagePath); |
| 308 | aMessage.AssignCat ("' has unsupported pixel format."); |
| 309 | ::Message::DefaultMessenger()->Send (aMessage, Message_Fail); |
| 310 | return false; |
| 311 | } |
| 312 | |
| 313 | Image_PixMap::InitWrapper (aFormat, FreeImage_GetBits (anImage), |
| 314 | FreeImage_GetWidth (anImage), FreeImage_GetHeight (anImage), FreeImage_GetPitch (anImage)); |
| 315 | SetTopDown (false); |
| 316 | |
| 317 | // assign image after wrapper initialization (virtual Clear() called inside) |
| 318 | myLibImage = anImage; |
| 319 | return true; |
| 320 | } |
| 321 | #else |
| 322 | bool Image_AlienPixMap::Load (const TCollection_AsciiString&) |
| 323 | { |
| 324 | Clear(); |
| 325 | return false; |
| 326 | } |
| 327 | #endif |
| 328 | |
| 329 | // ======================================================================= |
| 330 | // function : savePPM |
| 331 | // purpose : |
| 332 | // ======================================================================= |
| 333 | bool Image_AlienPixMap::savePPM (const TCollection_AsciiString& theFileName) const |
| 334 | { |
| 335 | if (IsEmpty()) |
| 336 | { |
| 337 | return false; |
| 338 | } |
| 339 | |
| 340 | // Open file |
| 341 | FILE* aFile = OSD_OpenFile (theFileName.ToCString(), "wb"); |
| 342 | if (aFile == NULL) |
| 343 | { |
| 344 | return false; |
| 345 | } |
| 346 | |
| 347 | // Write header |
| 348 | fprintf (aFile, "P6\n%d %d\n255\n", (int )SizeX(), (int )SizeY()); |
| 349 | fprintf (aFile, "# Image stored by OpenCASCADE framework in linear RGB colorspace\n"); |
| 350 | |
| 351 | // Write pixel data |
| 352 | Quantity_Color aColor; |
| 353 | Quantity_Parameter aDummy; |
| 354 | Standard_Byte aByte; |
| 355 | for (Standard_Size aRow = 0; aRow < SizeY(); ++aRow) |
| 356 | { |
| 357 | for (Standard_Size aCol = 0; aCol < SizeX(); ++aCol) |
| 358 | { |
| 359 | // extremely SLOW but universal (implemented for all supported pixel formats) |
| 360 | aColor = PixelColor ((Standard_Integer )aCol, (Standard_Integer )aRow, aDummy); |
| 361 | aByte = Standard_Byte(aColor.Red() * 255.0); fwrite (&aByte, 1, 1, aFile); |
| 362 | aByte = Standard_Byte(aColor.Green() * 255.0); fwrite (&aByte, 1, 1, aFile); |
| 363 | aByte = Standard_Byte(aColor.Blue() * 255.0); fwrite (&aByte, 1, 1, aFile); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | // Close file |
| 368 | fclose (aFile); |
| 369 | return true; |
| 370 | } |
| 371 | |
| 372 | // ======================================================================= |
| 373 | // function : Save |
| 374 | // purpose : |
| 375 | // ======================================================================= |
| 376 | bool Image_AlienPixMap::Save (const TCollection_AsciiString& theFileName) |
| 377 | { |
| 378 | #ifdef HAVE_FREEIMAGE |
| 379 | if (myLibImage == NULL) |
| 380 | { |
| 381 | return false; |
| 382 | } |
| 383 | |
| 384 | #ifdef _WIN32 |
| 385 | const TCollection_ExtendedString aFileNameW (theFileName.ToCString(), Standard_True); |
| 386 | FREE_IMAGE_FORMAT anImageFormat = FreeImage_GetFIFFromFilenameU (aFileNameW.ToWideString()); |
| 387 | #else |
| 388 | FREE_IMAGE_FORMAT anImageFormat = FreeImage_GetFIFFromFilename (theFileName.ToCString()); |
| 389 | #endif |
| 390 | if (anImageFormat == FIF_UNKNOWN) |
| 391 | { |
| 392 | #ifdef OCCT_DEBUG |
| 393 | std::cerr << "Image_PixMap, image format doesn't supported!\n"; |
| 394 | #endif |
| 395 | return false; |
| 396 | } |
| 397 | |
| 398 | if (IsTopDown()) |
| 399 | { |
| 400 | FreeImage_FlipVertical (myLibImage); |
| 401 | SetTopDown (false); |
| 402 | } |
| 403 | |
| 404 | // FreeImage doesn't provide flexible format convertion API |
| 405 | // so we should perform multiple convertions in some cases! |
| 406 | FIBITMAP* anImageToDump = myLibImage; |
| 407 | switch (anImageFormat) |
| 408 | { |
| 409 | case FIF_PNG: |
| 410 | case FIF_BMP: |
| 411 | { |
| 412 | if (Format() == Image_PixMap::ImgBGR32 |
| 413 | || Format() == Image_PixMap::ImgRGB32) |
| 414 | { |
| 415 | // stupid FreeImage treats reserved byte as alpha if some bytes not set to 0xFF |
| 416 | for (Standard_Size aRow = 0; aRow < SizeY(); ++aRow) |
| 417 | { |
| 418 | for (Standard_Size aCol = 0; aCol < SizeX(); ++aCol) |
| 419 | { |
| 420 | myData.ChangeValue (aRow, aCol)[3] = 0xFF; |
| 421 | } |
| 422 | } |
| 423 | } |
| 424 | else if (FreeImage_GetImageType (myLibImage) != FIT_BITMAP) |
| 425 | { |
| 426 | anImageToDump = FreeImage_ConvertToType (myLibImage, FIT_BITMAP); |
| 427 | } |
| 428 | break; |
| 429 | } |
| 430 | case FIF_GIF: |
| 431 | { |
| 432 | FIBITMAP* aTmpBitmap = myLibImage; |
| 433 | if (FreeImage_GetImageType (myLibImage) != FIT_BITMAP) |
| 434 | { |
| 435 | aTmpBitmap = FreeImage_ConvertToType (myLibImage, FIT_BITMAP); |
| 436 | if (aTmpBitmap == NULL) |
| 437 | { |
| 438 | return false; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | if (FreeImage_GetBPP (aTmpBitmap) != 24) |
| 443 | { |
| 444 | FIBITMAP* aTmpBitmap24 = FreeImage_ConvertTo24Bits (aTmpBitmap); |
| 445 | if (aTmpBitmap != myLibImage) |
| 446 | { |
| 447 | FreeImage_Unload (aTmpBitmap); |
| 448 | } |
| 449 | if (aTmpBitmap24 == NULL) |
| 450 | { |
| 451 | return false; |
| 452 | } |
| 453 | aTmpBitmap = aTmpBitmap24; |
| 454 | } |
| 455 | |
| 456 | // need convertion to image with pallete (requires 24bit bitmap) |
| 457 | anImageToDump = FreeImage_ColorQuantize (aTmpBitmap, FIQ_NNQUANT); |
| 458 | if (aTmpBitmap != myLibImage) |
| 459 | { |
| 460 | FreeImage_Unload (aTmpBitmap); |
| 461 | } |
| 462 | break; |
| 463 | } |
| 464 | case FIF_EXR: |
| 465 | { |
| 466 | if (Format() == Image_PixMap::ImgGray |
| 467 | || Format() == Image_PixMap::ImgAlpha) |
| 468 | { |
| 469 | anImageToDump = FreeImage_ConvertToType (myLibImage, FIT_FLOAT); |
| 470 | } |
| 471 | else if (Format() == Image_PixMap::ImgRGBA |
| 472 | || Format() == Image_PixMap::ImgBGRA) |
| 473 | { |
| 474 | anImageToDump = FreeImage_ConvertToType (myLibImage, FIT_RGBAF); |
| 475 | } |
| 476 | else |
| 477 | { |
| 478 | FREE_IMAGE_TYPE aImgTypeFI = FreeImage_GetImageType (myLibImage); |
| 479 | if (aImgTypeFI != FIT_RGBF |
| 480 | && aImgTypeFI != FIT_RGBAF |
| 481 | && aImgTypeFI != FIT_FLOAT) |
| 482 | { |
| 483 | anImageToDump = FreeImage_ConvertToType (myLibImage, FIT_RGBF); |
| 484 | } |
| 485 | } |
| 486 | break; |
| 487 | } |
| 488 | default: |
| 489 | { |
| 490 | if (FreeImage_GetImageType (myLibImage) != FIT_BITMAP) |
| 491 | { |
| 492 | anImageToDump = FreeImage_ConvertToType (myLibImage, FIT_BITMAP); |
| 493 | if (anImageToDump == NULL) |
| 494 | { |
| 495 | return false; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | if (FreeImage_GetBPP (anImageToDump) != 24) |
| 500 | { |
| 501 | FIBITMAP* aTmpBitmap24 = FreeImage_ConvertTo24Bits (anImageToDump); |
| 502 | if (anImageToDump != myLibImage) |
| 503 | { |
| 504 | FreeImage_Unload (anImageToDump); |
| 505 | } |
| 506 | if (aTmpBitmap24 == NULL) |
| 507 | { |
| 508 | return false; |
| 509 | } |
| 510 | anImageToDump = aTmpBitmap24; |
| 511 | } |
| 512 | break; |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | if (anImageToDump == NULL) |
| 517 | { |
| 518 | return false; |
| 519 | } |
| 520 | |
| 521 | #ifdef _WIN32 |
| 522 | bool isSaved = (FreeImage_SaveU (anImageFormat, anImageToDump, aFileNameW.ToWideString()) != FALSE); |
| 523 | #else |
| 524 | bool isSaved = (FreeImage_Save (anImageFormat, anImageToDump, theFileName.ToCString()) != FALSE); |
| 525 | #endif |
| 526 | if (anImageToDump != myLibImage) |
| 527 | { |
| 528 | FreeImage_Unload (anImageToDump); |
| 529 | } |
| 530 | return isSaved; |
| 531 | #else |
| 532 | const Standard_Integer aLen = theFileName.Length(); |
| 533 | if ((aLen >= 4) && (theFileName.Value (aLen - 3) == '.') |
| 534 | && strcasecmp( theFileName.ToCString() + aLen - 3, "ppm") == 0 ) |
| 535 | { |
| 536 | return savePPM (theFileName); |
| 537 | } |
| 538 | #ifdef OCCT_DEBUG |
| 539 | std::cerr << "Image_PixMap, no image library available! Image saved in PPM format.\n"; |
| 540 | #endif |
| 541 | return savePPM (theFileName); |
| 542 | #endif |
| 543 | } |
| 544 | |
| 545 | // ======================================================================= |
| 546 | // function : AdjustGamma |
| 547 | // purpose : |
| 548 | // ======================================================================= |
| 549 | bool Image_AlienPixMap::AdjustGamma (const Standard_Real theGammaCorr) |
| 550 | { |
| 551 | #ifdef HAVE_FREEIMAGE |
| 552 | return FreeImage_AdjustGamma (myLibImage, theGammaCorr) != FALSE; |
| 553 | #else |
| 554 | (void )theGammaCorr; |
| 555 | return false; |
| 556 | #endif |
| 557 | } |