cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % EEEEE X X RRRR % |
| 7 | % E X X R R % |
| 8 | % EEE X RRRR % |
| 9 | % E X X R R % |
| 10 | % EEEEE X X R R % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write High Dynamic-Range (HDR) Image File Format % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % April 2007 % |
| 18 | % % |
| 19 | % % |
cristy | 7e41fe8 | 2010-12-04 23:12:08 +0000 | [diff] [blame] | 20 | % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 42 | #include "MagickCore/studio.h" |
| 43 | #include "MagickCore/blob.h" |
| 44 | #include "MagickCore/blob-private.h" |
| 45 | #include "MagickCore/cache.h" |
| 46 | #include "MagickCore/exception.h" |
| 47 | #include "MagickCore/exception-private.h" |
| 48 | #include "MagickCore/image.h" |
| 49 | #include "MagickCore/image-private.h" |
| 50 | #include "MagickCore/list.h" |
| 51 | #include "MagickCore/magick.h" |
| 52 | #include "MagickCore/memory_.h" |
| 53 | #include "MagickCore/pixel-accessor.h" |
| 54 | #include "MagickCore/property.h" |
| 55 | #include "MagickCore/quantum-private.h" |
| 56 | #include "MagickCore/static.h" |
| 57 | #include "MagickCore/string_.h" |
| 58 | #include "MagickCore/module.h" |
| 59 | #include "MagickCore/resource_.h" |
| 60 | #include "MagickCore/utility.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 61 | #if defined(MAGICKCORE_OPENEXR_DELEGATE) |
| 62 | #include <ImfCRgbaFile.h> |
| 63 | |
| 64 | /* |
| 65 | Forward declarations. |
| 66 | */ |
| 67 | static MagickBooleanType |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 68 | WriteEXRImage(const ImageInfo *,Image *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 69 | #endif |
| 70 | |
| 71 | /* |
| 72 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 73 | % % |
| 74 | % % |
| 75 | % % |
| 76 | % I s E X R % |
| 77 | % % |
| 78 | % % |
| 79 | % % |
| 80 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 81 | % |
| 82 | % IsEXR() returns MagickTrue if the image format type, identified by the |
| 83 | % magick string, is EXR. |
| 84 | % |
| 85 | % The format of the IsEXR method is: |
| 86 | % |
| 87 | % MagickBooleanType IsEXR(const unsigned char *magick,const size_t length) |
| 88 | % |
| 89 | % A description of each parameter follows: |
| 90 | % |
| 91 | % o magick: compare image format pattern against these bytes. |
| 92 | % |
| 93 | % o length: Specifies the length of the magick string. |
| 94 | % |
| 95 | */ |
| 96 | static MagickBooleanType IsEXR(const unsigned char *magick,const size_t length) |
| 97 | { |
| 98 | if (length < 4) |
| 99 | return(MagickFalse); |
| 100 | if (memcmp(magick,"\166\057\061\001",4) == 0) |
| 101 | return(MagickTrue); |
| 102 | return(MagickFalse); |
| 103 | } |
| 104 | |
| 105 | #if defined(MAGICKCORE_OPENEXR_DELEGATE) |
| 106 | /* |
| 107 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 108 | % % |
| 109 | % % |
| 110 | % % |
| 111 | % R e a d E X R I m a g e % |
| 112 | % % |
| 113 | % % |
| 114 | % % |
| 115 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 116 | % |
| 117 | % ReadEXRImage reads an image in the high dynamic-range (HDR) file format |
| 118 | % developed by Industrial Light & Magic. It allocates the memory necessary |
| 119 | % for the new Image structure and returns a pointer to the new image. |
| 120 | % |
| 121 | % The format of the ReadEXRImage method is: |
| 122 | % |
| 123 | % Image *ReadEXRImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 124 | % |
| 125 | % A description of each parameter follows: |
| 126 | % |
| 127 | % o image_info: the image info. |
| 128 | % |
| 129 | % o exception: return any errors or warnings in this structure. |
| 130 | % |
| 131 | */ |
| 132 | static Image *ReadEXRImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 133 | { |
| 134 | const ImfHeader |
| 135 | *hdr_info; |
| 136 | |
| 137 | Image |
| 138 | *image; |
| 139 | |
| 140 | ImageInfo |
| 141 | *read_info; |
| 142 | |
| 143 | ImfInputFile |
| 144 | *file; |
| 145 | |
| 146 | ImfRgba |
| 147 | *scanline; |
| 148 | |
| 149 | int |
| 150 | max_x, |
| 151 | max_y, |
| 152 | min_x, |
| 153 | min_y; |
| 154 | |
cristy | 202de44 | 2011-04-24 18:19:07 +0000 | [diff] [blame] | 155 | MagickBooleanType |
| 156 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 157 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 158 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 159 | x; |
| 160 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 161 | register Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 162 | *q; |
| 163 | |
cristy | 202de44 | 2011-04-24 18:19:07 +0000 | [diff] [blame] | 164 | ssize_t |
| 165 | y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 166 | |
| 167 | /* |
| 168 | Open image. |
| 169 | */ |
| 170 | assert(image_info != (const ImageInfo *) NULL); |
| 171 | assert(image_info->signature == MagickSignature); |
| 172 | if (image_info->debug != MagickFalse) |
| 173 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 174 | image_info->filename); |
| 175 | assert(exception != (ExceptionInfo *) NULL); |
| 176 | assert(exception->signature == MagickSignature); |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame^] | 177 | image=AcquireImage(image_info,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 178 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 179 | if (status == MagickFalse) |
| 180 | { |
| 181 | image=DestroyImageList(image); |
| 182 | return((Image *) NULL); |
| 183 | } |
| 184 | read_info=CloneImageInfo(image_info); |
| 185 | if (IsPathAccessible(read_info->filename) == MagickFalse) |
| 186 | { |
| 187 | (void) AcquireUniqueFilename(read_info->filename); |
| 188 | (void) ImageToFile(image,read_info->filename,exception); |
| 189 | } |
| 190 | file=ImfOpenInputFile(read_info->filename); |
| 191 | if (file == (ImfInputFile *) NULL) |
| 192 | { |
| 193 | ThrowFileException(exception,BlobError,"UnableToOpenBlob", |
| 194 | ImfErrorMessage()); |
| 195 | read_info=DestroyImageInfo(read_info); |
| 196 | return((Image *) NULL); |
| 197 | } |
| 198 | hdr_info=ImfInputHeader(file); |
| 199 | ImfHeaderDataWindow(hdr_info,&min_x,&min_y,&max_x,&max_y); |
| 200 | image->columns=max_x-min_x+1UL; |
| 201 | image->rows=max_y-min_y+1UL; |
| 202 | image->matte=MagickTrue; |
| 203 | if (image_info->ping != MagickFalse) |
| 204 | { |
| 205 | (void) ImfCloseInputFile(file); |
| 206 | if (LocaleCompare(image_info->filename,read_info->filename) != 0) |
| 207 | (void) RelinquishUniqueFileResource(read_info->filename); |
| 208 | read_info=DestroyImageInfo(read_info); |
| 209 | (void) CloseBlob(image); |
| 210 | return(GetFirstImageInList(image)); |
| 211 | } |
| 212 | scanline=(ImfRgba *) AcquireQuantumMemory(image->columns,sizeof(*scanline)); |
| 213 | if (scanline == (ImfRgba *) NULL) |
| 214 | { |
| 215 | (void) ImfCloseInputFile(file); |
| 216 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 217 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 218 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 219 | { |
| 220 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 221 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 222 | break; |
| 223 | ImfInputSetFrameBuffer(file,scanline-min_x-image->columns*(min_y+y),1, |
| 224 | image->columns); |
| 225 | ImfInputReadPixels(file,min_y+y,min_y+y); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 226 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 227 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 228 | SetPixelRed(image,ClampToQuantum((MagickRealType) QuantumRange* |
| 229 | ImfHalfToFloat(scanline[x].r)),q); |
| 230 | SetPixelGreen(image,ClampToQuantum((MagickRealType) QuantumRange* |
| 231 | ImfHalfToFloat(scanline[x].g)),q); |
| 232 | SetPixelBlue(image,ClampToQuantum((MagickRealType) QuantumRange* |
| 233 | ImfHalfToFloat(scanline[x].b)),q); |
| 234 | SetPixelAlpha(image,ClampToQuantum((MagickRealType) QuantumRange* |
| 235 | ImfHalfToFloat(scanline[x].a)),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 236 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 237 | } |
| 238 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 239 | break; |
| 240 | } |
| 241 | scanline=(ImfRgba *) RelinquishMagickMemory(scanline); |
| 242 | (void) ImfCloseInputFile(file); |
| 243 | if (LocaleCompare(image_info->filename,read_info->filename) != 0) |
| 244 | (void) RelinquishUniqueFileResource(read_info->filename); |
| 245 | read_info=DestroyImageInfo(read_info); |
| 246 | (void) CloseBlob(image); |
| 247 | return(GetFirstImageInList(image)); |
| 248 | } |
| 249 | #endif |
| 250 | |
| 251 | /* |
| 252 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 253 | % % |
| 254 | % % |
| 255 | % % |
| 256 | % R e g i s t e r E X R I m a g e % |
| 257 | % % |
| 258 | % % |
| 259 | % % |
| 260 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 261 | % |
| 262 | % RegisterEXRImage() adds properties for the EXR image format |
| 263 | % to the list of supported formats. The properties include the image format |
| 264 | % tag, a method to read and/or write the format, whether the format |
| 265 | % supports the saving of more than one frame to the same file or blob, |
| 266 | % whether the format supports native in-memory I/O, and a brief |
| 267 | % description of the format. |
| 268 | % |
| 269 | % The format of the RegisterEXRImage method is: |
| 270 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 271 | % size_t RegisterEXRImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 272 | % |
| 273 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 274 | ModuleExport size_t RegisterEXRImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 275 | { |
| 276 | MagickInfo |
| 277 | *entry; |
| 278 | |
| 279 | entry=SetMagickInfo("EXR"); |
| 280 | #if defined(MAGICKCORE_OPENEXR_DELEGATE) |
| 281 | entry->decoder=(DecodeImageHandler *) ReadEXRImage; |
| 282 | entry->encoder=(EncodeImageHandler *) WriteEXRImage; |
| 283 | #endif |
| 284 | entry->magick=(IsImageFormatHandler *) IsEXR; |
| 285 | entry->adjoin=MagickFalse; |
| 286 | entry->description=ConstantString("High Dynamic-range (HDR)"); |
| 287 | entry->blob_support=MagickFalse; |
| 288 | entry->module=ConstantString("EXR"); |
| 289 | (void) RegisterMagickInfo(entry); |
| 290 | return(MagickImageCoderSignature); |
| 291 | } |
| 292 | |
| 293 | /* |
| 294 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 295 | % % |
| 296 | % % |
| 297 | % % |
| 298 | % U n r e g i s t e r E X R I m a g e % |
| 299 | % % |
| 300 | % % |
| 301 | % % |
| 302 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 303 | % |
| 304 | % UnregisterEXRImage() removes format registrations made by the |
| 305 | % EXR module from the list of supported formats. |
| 306 | % |
| 307 | % The format of the UnregisterEXRImage method is: |
| 308 | % |
| 309 | % UnregisterEXRImage(void) |
| 310 | % |
| 311 | */ |
| 312 | ModuleExport void UnregisterEXRImage(void) |
| 313 | { |
| 314 | (void) UnregisterMagickInfo("EXR"); |
| 315 | } |
| 316 | |
| 317 | #if defined(MAGICKCORE_OPENEXR_DELEGATE) |
| 318 | /* |
| 319 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 320 | % % |
| 321 | % % |
| 322 | % % |
| 323 | % W r i t e E X R I m a g e % |
| 324 | % % |
| 325 | % % |
| 326 | % % |
| 327 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 328 | % |
| 329 | % WriteEXRImage() writes an image to a file the in the high dynamic-range |
| 330 | % (HDR) file format developed by Industrial Light & Magic. |
| 331 | % |
| 332 | % The format of the WriteEXRImage method is: |
| 333 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 334 | % MagickBooleanType WriteEXRImage(const ImageInfo *image_info, |
| 335 | % Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 336 | % |
| 337 | % A description of each parameter follows. |
| 338 | % |
| 339 | % o image_info: the image info. |
| 340 | % |
| 341 | % o image: The image. |
| 342 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 343 | % o exception: return any errors or warnings in this structure. |
| 344 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 345 | */ |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 346 | static MagickBooleanType WriteEXRImage(const ImageInfo *image_info,Image *image, |
| 347 | ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 348 | { |
| 349 | ImageInfo |
| 350 | *write_info; |
| 351 | |
| 352 | ImfHalf |
| 353 | half_quantum; |
| 354 | |
| 355 | ImfHeader |
| 356 | *hdr_info; |
| 357 | |
| 358 | ImfOutputFile |
| 359 | *file; |
| 360 | |
| 361 | ImfRgba |
| 362 | *scanline; |
| 363 | |
| 364 | int |
| 365 | compression; |
| 366 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 367 | MagickBooleanType |
| 368 | status; |
| 369 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 370 | register const Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 371 | *p; |
| 372 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 373 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 374 | x; |
| 375 | |
cristy | 202de44 | 2011-04-24 18:19:07 +0000 | [diff] [blame] | 376 | ssize_t |
| 377 | y; |
| 378 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 379 | /* |
| 380 | Open output image file. |
| 381 | */ |
| 382 | assert(image_info != (const ImageInfo *) NULL); |
| 383 | assert(image_info->signature == MagickSignature); |
| 384 | assert(image != (Image *) NULL); |
| 385 | assert(image->signature == MagickSignature); |
| 386 | if (image->debug != MagickFalse) |
| 387 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
cristy | 3a37efd | 2011-08-28 20:31:03 +0000 | [diff] [blame] | 388 | assert(exception != (ExceptionInfo *) NULL); |
| 389 | assert(exception->signature == MagickSignature); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 390 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 391 | if (status == MagickFalse) |
| 392 | return(status); |
| 393 | write_info=CloneImageInfo(image_info); |
| 394 | (void) AcquireUniqueFilename(write_info->filename); |
| 395 | hdr_info=ImfNewHeader(); |
| 396 | ImfHeaderSetDataWindow(hdr_info,0,0,(int) image->columns-1,(int) |
| 397 | image->rows-1); |
| 398 | ImfHeaderSetDisplayWindow(hdr_info,0,0,(int) image->columns-1,(int) |
| 399 | image->rows-1); |
| 400 | compression=IMF_NO_COMPRESSION; |
| 401 | if (write_info->compression == ZipSCompression) |
| 402 | compression=IMF_ZIPS_COMPRESSION; |
| 403 | if (write_info->compression == ZipCompression) |
| 404 | compression=IMF_ZIP_COMPRESSION; |
| 405 | if (write_info->compression == PizCompression) |
| 406 | compression=IMF_PIZ_COMPRESSION; |
| 407 | if (write_info->compression == Pxr24Compression) |
| 408 | compression=IMF_PXR24_COMPRESSION; |
| 409 | #if defined(B44Compression) |
| 410 | if (write_info->compression == B44Compression) |
| 411 | compression=IMF_B44_COMPRESSION; |
| 412 | #endif |
| 413 | #if defined(B44ACompression) |
| 414 | if (write_info->compression == B44ACompression) |
| 415 | compression=IMF_B44A_COMPRESSION; |
| 416 | #endif |
| 417 | ImfHeaderSetCompression(hdr_info,compression); |
| 418 | ImfHeaderSetLineOrder(hdr_info,IMF_INCREASING_Y); |
| 419 | file=ImfOpenOutputFile(write_info->filename,hdr_info,IMF_WRITE_RGBA); |
| 420 | ImfDeleteHeader(hdr_info); |
| 421 | if (file == (ImfOutputFile *) NULL) |
| 422 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 423 | ThrowFileException(exception,BlobError,"UnableToOpenBlob", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 424 | ImfErrorMessage()); |
| 425 | write_info=DestroyImageInfo(write_info); |
| 426 | return(MagickFalse); |
| 427 | } |
| 428 | scanline=(ImfRgba *) AcquireQuantumMemory(image->columns,sizeof(*scanline)); |
| 429 | if (scanline == (ImfRgba *) NULL) |
| 430 | { |
| 431 | (void) ImfCloseOutputFile(file); |
| 432 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 433 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 434 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 435 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 436 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 437 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 438 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 439 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 440 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 441 | ImfFloatToHalf(QuantumScale*GetPixelRed(image,p),&half_quantum); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 442 | scanline[x].r=half_quantum; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 443 | ImfFloatToHalf(QuantumScale*GetPixelGreen(image,p),&half_quantum); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 444 | scanline[x].g=half_quantum; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 445 | ImfFloatToHalf(QuantumScale*GetPixelBlue(image,p),&half_quantum); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 446 | scanline[x].b=half_quantum; |
| 447 | if (image->matte == MagickFalse) |
| 448 | ImfFloatToHalf(1.0,&half_quantum); |
| 449 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 450 | ImfFloatToHalf(QuantumScale*GetPixelAlpha(image,p),&half_quantum); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 451 | scanline[x].a=half_quantum; |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 452 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 453 | } |
| 454 | ImfOutputSetFrameBuffer(file,scanline-(y*image->columns),1,image->columns); |
| 455 | ImfOutputWritePixels(file,1); |
| 456 | } |
| 457 | (void) ImfCloseOutputFile(file); |
| 458 | scanline=(ImfRgba *) RelinquishMagickMemory(scanline); |
| 459 | (void) FileToImage(image,write_info->filename); |
| 460 | (void) RelinquishUniqueFileResource(write_info->filename); |
| 461 | write_info=DestroyImageInfo(write_info); |
| 462 | (void) CloseBlob(image); |
| 463 | return(MagickTrue); |
| 464 | } |
| 465 | #endif |