cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % FFFFF IIIII TTTTT SSSSS % |
| 7 | % F I T SS % |
| 8 | % FFF I T SSS % |
| 9 | % F I T SS % |
| 10 | % F IIIII T SSSSS % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write Flexible Image Transport System Images. % |
| 14 | % % |
| 15 | % Software Design % |
cristy | de984cd | 2013-12-01 14:49:27 +0000 | [diff] [blame] | 16 | % Cristy % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
Cristy | 7ce65e7 | 2015-12-12 18:03:16 -0500 | [diff] [blame] | 20 | % Copyright 1999-2016 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/attribute.h" |
| 44 | #include "MagickCore/blob.h" |
| 45 | #include "MagickCore/blob-private.h" |
| 46 | #include "MagickCore/cache.h" |
| 47 | #include "MagickCore/color-private.h" |
| 48 | #include "MagickCore/colorspace.h" |
cristy | 510d06a | 2011-07-06 23:43:54 +0000 | [diff] [blame] | 49 | #include "MagickCore/colorspace-private.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 50 | #include "MagickCore/constitute.h" |
| 51 | #include "MagickCore/exception.h" |
| 52 | #include "MagickCore/exception-private.h" |
| 53 | #include "MagickCore/image.h" |
| 54 | #include "MagickCore/image-private.h" |
| 55 | #include "MagickCore/list.h" |
| 56 | #include "MagickCore/magick.h" |
| 57 | #include "MagickCore/memory_.h" |
| 58 | #include "MagickCore/module.h" |
| 59 | #include "MagickCore/monitor.h" |
| 60 | #include "MagickCore/monitor-private.h" |
| 61 | #include "MagickCore/pixel-accessor.h" |
| 62 | #include "MagickCore/property.h" |
| 63 | #include "MagickCore/quantum-private.h" |
| 64 | #include "MagickCore/static.h" |
| 65 | #include "MagickCore/statistic.h" |
| 66 | #include "MagickCore/string_.h" |
| 67 | #include "MagickCore/string-private.h" |
| 68 | #include "MagickCore/module.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 69 | |
| 70 | /* |
| 71 | Forward declarations. |
| 72 | */ |
| 73 | #define FITSBlocksize 2880UL |
| 74 | |
| 75 | /* |
| 76 | Forward declarations. |
| 77 | */ |
| 78 | static MagickBooleanType |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 79 | WriteFITSImage(const ImageInfo *,Image *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 80 | |
| 81 | /* |
| 82 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 83 | % % |
| 84 | % % |
| 85 | % % |
| 86 | % I s F I T S % |
| 87 | % % |
| 88 | % % |
| 89 | % % |
| 90 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 91 | % |
| 92 | % IsFITS() returns MagickTrue if the image format type, identified by the |
| 93 | % magick string, is FITS. |
| 94 | % |
| 95 | % The format of the IsFITS method is: |
| 96 | % |
| 97 | % MagickBooleanType IsFITS(const unsigned char *magick,const size_t length) |
| 98 | % |
| 99 | % A description of each parameter follows: |
| 100 | % |
| 101 | % o magick: compare image format pattern against these bytes. |
| 102 | % |
| 103 | % o length: Specifies the length of the magick string. |
| 104 | % |
| 105 | */ |
| 106 | static MagickBooleanType IsFITS(const unsigned char *magick,const size_t length) |
| 107 | { |
| 108 | if (length < 6) |
| 109 | return(MagickFalse); |
| 110 | if (LocaleNCompare((const char *) magick,"IT0",3) == 0) |
| 111 | return(MagickTrue); |
| 112 | if (LocaleNCompare((const char *) magick,"SIMPLE",6) == 0) |
| 113 | return(MagickTrue); |
| 114 | return(MagickFalse); |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 119 | % % |
| 120 | % % |
| 121 | % % |
| 122 | % R e a d F I T S I m a g e % |
| 123 | % % |
| 124 | % % |
| 125 | % % |
| 126 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 127 | % |
| 128 | % ReadFITSImage() reads a FITS image file and returns it. It allocates the |
| 129 | % memory necessary for the new Image structure and returns a pointer to the |
| 130 | % new image. |
| 131 | % |
| 132 | % The format of the ReadFITSImage method is: |
| 133 | % |
| 134 | % Image *ReadFITSImage(const ImageInfo *image_info, |
| 135 | % ExceptionInfo *exception) |
| 136 | % |
| 137 | % A description of each parameter follows: |
| 138 | % |
| 139 | % o image_info: the image info. |
| 140 | % |
| 141 | % o exception: return any errors or warnings in this structure. |
| 142 | % |
| 143 | */ |
| 144 | |
| 145 | static inline double GetFITSPixel(Image *image,int bits_per_pixel) |
| 146 | { |
| 147 | switch (image->depth >> 3) |
| 148 | { |
| 149 | case 1: |
| 150 | return((double) ReadBlobByte(image)); |
| 151 | case 2: |
| 152 | return((double) ((short) ReadBlobShort(image))); |
| 153 | case 4: |
| 154 | { |
| 155 | if (bits_per_pixel > 0) |
cristy | 6cff05d | 2010-09-02 11:22:46 +0000 | [diff] [blame] | 156 | return((double) ((int) ReadBlobLong(image))); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 157 | return((double) ReadBlobFloat(image)); |
| 158 | } |
| 159 | case 8: |
| 160 | { |
| 161 | if (bits_per_pixel > 0) |
| 162 | return((double) ((MagickOffsetType) ReadBlobLongLong(image))); |
| 163 | } |
| 164 | default: |
| 165 | break; |
| 166 | } |
| 167 | return(ReadBlobDouble(image)); |
| 168 | } |
| 169 | |
cristy | 4d0ca34 | 2014-05-01 00:42:09 +0000 | [diff] [blame] | 170 | static MagickOffsetType GetFITSPixelExtrema(Image *image, |
| 171 | const int bits_per_pixel,double *minima,double *maxima) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 172 | { |
| 173 | double |
| 174 | pixel; |
| 175 | |
| 176 | MagickOffsetType |
| 177 | offset; |
| 178 | |
| 179 | MagickSizeType |
| 180 | number_pixels; |
| 181 | |
| 182 | register MagickOffsetType |
| 183 | i; |
| 184 | |
| 185 | offset=TellBlob(image); |
cristy | 4d0ca34 | 2014-05-01 00:42:09 +0000 | [diff] [blame] | 186 | if (offset == -1) |
| 187 | return(-1); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 188 | number_pixels=(MagickSizeType) image->columns*image->rows; |
| 189 | *minima=GetFITSPixel(image,bits_per_pixel); |
| 190 | *maxima=(*minima); |
| 191 | for (i=1; i < (MagickOffsetType) number_pixels; i++) |
| 192 | { |
| 193 | pixel=GetFITSPixel(image,bits_per_pixel); |
| 194 | if (pixel < *minima) |
| 195 | *minima=pixel; |
| 196 | if (pixel > *maxima) |
| 197 | *maxima=pixel; |
| 198 | } |
cristy | 4d0ca34 | 2014-05-01 00:42:09 +0000 | [diff] [blame] | 199 | return(SeekBlob(image,offset,SEEK_SET)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 200 | } |
| 201 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 202 | static inline double GetFITSPixelRange(const size_t depth) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 203 | { |
| 204 | return((double) ((MagickOffsetType) GetQuantumRange(depth))); |
| 205 | } |
| 206 | |
| 207 | static void SetFITSUnsignedPixels(const size_t length, |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 208 | const size_t bits_per_pixel,const EndianType endian,unsigned char *pixels) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 209 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 210 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 211 | i; |
| 212 | |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 213 | if (endian != MSBEndian) |
| 214 | pixels+=(bits_per_pixel >> 3)-1; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 215 | for (i=0; i < (ssize_t) length; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 216 | { |
| 217 | *pixels^=0x80; |
| 218 | pixels+=bits_per_pixel >> 3; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | static Image *ReadFITSImage(const ImageInfo *image_info, |
| 223 | ExceptionInfo *exception) |
| 224 | { |
| 225 | typedef struct _FITSInfo |
| 226 | { |
| 227 | MagickBooleanType |
| 228 | extend, |
| 229 | simple; |
| 230 | |
| 231 | int |
| 232 | bits_per_pixel, |
| 233 | columns, |
| 234 | rows, |
| 235 | number_axes, |
| 236 | number_planes; |
| 237 | |
| 238 | double |
| 239 | min_data, |
| 240 | max_data, |
| 241 | zero, |
| 242 | scale; |
| 243 | |
| 244 | EndianType |
| 245 | endian; |
| 246 | } FITSInfo; |
| 247 | |
| 248 | char |
| 249 | *comment, |
| 250 | keyword[9], |
cristy | 151b66d | 2015-04-15 10:50:31 +0000 | [diff] [blame] | 251 | property[MagickPathExtent], |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 252 | value[73]; |
| 253 | |
| 254 | double |
| 255 | pixel, |
| 256 | scale; |
| 257 | |
| 258 | FITSInfo |
| 259 | fits_info; |
| 260 | |
| 261 | Image |
| 262 | *image; |
| 263 | |
| 264 | int |
| 265 | c; |
| 266 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 267 | MagickBooleanType |
| 268 | status; |
| 269 | |
| 270 | MagickSizeType |
| 271 | number_pixels; |
| 272 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 273 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 274 | i, |
| 275 | x; |
| 276 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 277 | register Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 278 | *q; |
| 279 | |
| 280 | ssize_t |
cristy | 202de44 | 2011-04-24 18:19:07 +0000 | [diff] [blame] | 281 | count, |
| 282 | scene, |
| 283 | y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 284 | |
| 285 | /* |
| 286 | Open image file. |
| 287 | */ |
| 288 | assert(image_info != (const ImageInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 289 | assert(image_info->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 290 | if (image_info->debug != MagickFalse) |
| 291 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 292 | image_info->filename); |
| 293 | assert(exception != (ExceptionInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 294 | assert(exception->signature == MagickCoreSignature); |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 295 | image=AcquireImage(image_info,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 296 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 297 | if (status == MagickFalse) |
| 298 | { |
| 299 | image=DestroyImageList(image); |
| 300 | return((Image *) NULL); |
| 301 | } |
| 302 | /* |
| 303 | Initialize image header. |
| 304 | */ |
| 305 | (void) ResetMagickMemory(&fits_info,0,sizeof(fits_info)); |
| 306 | fits_info.extend=MagickFalse; |
| 307 | fits_info.simple=MagickFalse; |
| 308 | fits_info.bits_per_pixel=8; |
| 309 | fits_info.columns=1; |
| 310 | fits_info.rows=1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 311 | fits_info.number_planes=1; |
| 312 | fits_info.min_data=0.0; |
| 313 | fits_info.max_data=0.0; |
| 314 | fits_info.zero=0.0; |
| 315 | fits_info.scale=1.0; |
| 316 | fits_info.endian=MSBEndian; |
| 317 | /* |
| 318 | Decode image header. |
| 319 | */ |
| 320 | for (comment=(char *) NULL; EOFBlob(image) == MagickFalse; ) |
| 321 | { |
| 322 | for ( ; EOFBlob(image) == MagickFalse; ) |
| 323 | { |
| 324 | register char |
| 325 | *p; |
| 326 | |
| 327 | count=ReadBlob(image,8,(unsigned char *) keyword); |
| 328 | if (count != 8) |
| 329 | break; |
| 330 | for (i=0; i < 8; i++) |
| 331 | { |
| 332 | if (isspace((int) ((unsigned char) keyword[i])) != 0) |
| 333 | break; |
cristy | 466802f | 2010-02-24 14:18:37 +0000 | [diff] [blame] | 334 | keyword[i]=tolower((int) ((unsigned char) keyword[i])); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 335 | } |
| 336 | keyword[i]='\0'; |
| 337 | count=ReadBlob(image,72,(unsigned char *) value); |
cristy | e3216eb | 2014-04-18 17:10:21 +0000 | [diff] [blame] | 338 | value[72]='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 339 | if (count != 72) |
| 340 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 341 | p=value; |
| 342 | if (*p == '=') |
| 343 | { |
| 344 | p+=2; |
| 345 | while (isspace((int) ((unsigned char) *p)) != 0) |
| 346 | p++; |
| 347 | } |
| 348 | if (LocaleCompare(keyword,"end") == 0) |
| 349 | break; |
| 350 | if (LocaleCompare(keyword,"extend") == 0) |
| 351 | fits_info.extend=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse; |
| 352 | if (LocaleCompare(keyword,"simple") == 0) |
| 353 | fits_info.simple=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse; |
| 354 | if (LocaleCompare(keyword,"bitpix") == 0) |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 355 | fits_info.bits_per_pixel=StringToLong(p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 356 | if (LocaleCompare(keyword,"naxis") == 0) |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 357 | fits_info.number_axes=StringToLong(p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 358 | if (LocaleCompare(keyword,"naxis1") == 0) |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 359 | fits_info.columns=StringToLong(p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 360 | if (LocaleCompare(keyword,"naxis2") == 0) |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 361 | fits_info.rows=StringToLong(p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 362 | if (LocaleCompare(keyword,"naxis3") == 0) |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 363 | fits_info.number_planes=StringToLong(p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 364 | if (LocaleCompare(keyword,"datamax") == 0) |
cristy | dbdd0e3 | 2011-11-04 23:29:40 +0000 | [diff] [blame] | 365 | fits_info.max_data=StringToDouble(p,(char **) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 366 | if (LocaleCompare(keyword,"datamin") == 0) |
cristy | dbdd0e3 | 2011-11-04 23:29:40 +0000 | [diff] [blame] | 367 | fits_info.min_data=StringToDouble(p,(char **) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 368 | if (LocaleCompare(keyword,"bzero") == 0) |
cristy | dbdd0e3 | 2011-11-04 23:29:40 +0000 | [diff] [blame] | 369 | fits_info.zero=StringToDouble(p,(char **) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 370 | if (LocaleCompare(keyword,"bscale") == 0) |
cristy | dbdd0e3 | 2011-11-04 23:29:40 +0000 | [diff] [blame] | 371 | fits_info.scale=StringToDouble(p,(char **) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 372 | if (LocaleCompare(keyword,"comment") == 0) |
| 373 | { |
| 374 | if (comment == (char *) NULL) |
| 375 | comment=ConstantString(p); |
| 376 | else |
| 377 | (void) ConcatenateString(&comment,p); |
| 378 | } |
| 379 | if (LocaleCompare(keyword,"xendian") == 0) |
| 380 | { |
| 381 | if (LocaleNCompare(p,"big",3) == 0) |
| 382 | fits_info.endian=MSBEndian; |
| 383 | else |
| 384 | fits_info.endian=LSBEndian; |
| 385 | } |
cristy | 151b66d | 2015-04-15 10:50:31 +0000 | [diff] [blame] | 386 | (void) FormatLocaleString(property,MagickPathExtent,"fits:%s",keyword); |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 387 | (void) SetImageProperty(image,property,p,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 388 | } |
| 389 | c=0; |
| 390 | while (((TellBlob(image) % FITSBlocksize) != 0) && (c != EOF)) |
| 391 | c=ReadBlobByte(image); |
| 392 | if (fits_info.extend == MagickFalse) |
| 393 | break; |
cristy | 11dc2b8 | 2015-01-25 00:11:48 +0000 | [diff] [blame] | 394 | if ((fits_info.bits_per_pixel != 8) && (fits_info.bits_per_pixel != 16) && |
| 395 | (fits_info.bits_per_pixel != 32) && (fits_info.bits_per_pixel != 64) && |
| 396 | (fits_info.bits_per_pixel != -32) && (fits_info.bits_per_pixel != -64)) |
| 397 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 398 | number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows; |
| 399 | if ((fits_info.simple != MagickFalse) && (fits_info.number_axes >= 1) && |
| 400 | (fits_info.number_axes <= 4) && (number_pixels != 0)) |
| 401 | break; |
| 402 | } |
| 403 | /* |
| 404 | Verify that required image information is defined. |
| 405 | */ |
| 406 | if (comment != (char *) NULL) |
| 407 | { |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 408 | (void) SetImageProperty(image,"comment",comment,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 409 | comment=DestroyString(comment); |
| 410 | } |
| 411 | if (EOFBlob(image) != MagickFalse) |
| 412 | ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| 413 | image->filename); |
| 414 | number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows; |
| 415 | if ((fits_info.simple == MagickFalse) || (fits_info.number_axes < 1) || |
| 416 | (fits_info.number_axes > 4) || (number_pixels == 0)) |
| 417 | ThrowReaderException(CorruptImageError,"ImageTypeNotSupported"); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 418 | for (scene=0; scene < (ssize_t) fits_info.number_planes; scene++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 419 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 420 | image->columns=(size_t) fits_info.columns; |
| 421 | image->rows=(size_t) fits_info.rows; |
| 422 | image->depth=(size_t) (fits_info.bits_per_pixel < 0 ? -1 : 1)* |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 423 | fits_info.bits_per_pixel; |
| 424 | image->endian=fits_info.endian; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 425 | image->scene=(size_t) scene; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 426 | if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
| 427 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 428 | break; |
cristy | acabb84 | 2014-12-14 23:36:33 +0000 | [diff] [blame] | 429 | status=SetImageExtent(image,image->columns,image->rows,exception); |
| 430 | if (status == MagickFalse) |
| 431 | return(DestroyImageList(image)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 432 | /* |
| 433 | Initialize image structure. |
| 434 | */ |
cristy | d8b3981 | 2013-02-02 02:12:57 +0000 | [diff] [blame] | 435 | (void) SetImageColorspace(image,GRAYColorspace,exception); |
| 436 | if ((fits_info.min_data == 0.0) && (fits_info.max_data == 0.0)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 437 | { |
cristy | 3f6782c | 2013-02-06 01:33:50 +0000 | [diff] [blame] | 438 | if (fits_info.zero == 0.0) |
cristy | 4d0ca34 | 2014-05-01 00:42:09 +0000 | [diff] [blame] | 439 | (void) GetFITSPixelExtrema(image,fits_info.bits_per_pixel, |
cristy | d8b3981 | 2013-02-02 02:12:57 +0000 | [diff] [blame] | 440 | &fits_info.min_data,&fits_info.max_data); |
| 441 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 442 | fits_info.max_data=GetFITSPixelRange((size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 443 | fits_info.bits_per_pixel); |
| 444 | } |
| 445 | else |
cristy | d8b3981 | 2013-02-02 02:12:57 +0000 | [diff] [blame] | 446 | fits_info.max_data=GetFITSPixelRange((size_t) fits_info.bits_per_pixel); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 447 | /* |
| 448 | Convert FITS pixels to pixel packets. |
| 449 | */ |
cristy | d8b3981 | 2013-02-02 02:12:57 +0000 | [diff] [blame] | 450 | scale=QuantumRange/(fits_info.max_data-fits_info.min_data); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 451 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 452 | { |
| 453 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 454 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 455 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 456 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 457 | { |
| 458 | pixel=GetFITSPixel(image,fits_info.bits_per_pixel); |
cristy | 163d678 | 2013-01-26 13:54:54 +0000 | [diff] [blame] | 459 | if ((image->depth == 16) || (image->depth == 32) || |
cristy | 9dcadc5 | 2013-01-26 13:53:22 +0000 | [diff] [blame] | 460 | (image->depth == 64)) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 461 | SetFITSUnsignedPixels(1,image->depth,image->endian, |
| 462 | (unsigned char *) &pixel); |
cristy | 1214288 | 2012-06-17 00:52:29 +0000 | [diff] [blame] | 463 | SetPixelGray(image,ClampToQuantum(scale*(fits_info.scale*(pixel- |
| 464 | fits_info.min_data)+fits_info.zero)),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 465 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 466 | } |
| 467 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 468 | break; |
| 469 | if (image->previous == (Image *) NULL) |
| 470 | { |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 471 | status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 472 | image->rows); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 473 | if (status == MagickFalse) |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | if (EOFBlob(image) != MagickFalse) |
| 478 | { |
| 479 | ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| 480 | image->filename); |
| 481 | break; |
| 482 | } |
| 483 | /* |
| 484 | Proceed to next image. |
| 485 | */ |
| 486 | if (image_info->number_scenes != 0) |
| 487 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 488 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 489 | if (scene < (ssize_t) (fits_info.number_planes-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 490 | { |
| 491 | /* |
| 492 | Allocate next image structure. |
| 493 | */ |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 494 | AcquireNextImage(image_info,image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 495 | if (GetNextImageInList(image) == (Image *) NULL) |
| 496 | { |
| 497 | image=DestroyImageList(image); |
| 498 | return((Image *) NULL); |
| 499 | } |
| 500 | image=SyncNextImageInList(image); |
| 501 | status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
| 502 | GetBlobSize(image)); |
| 503 | if (status == MagickFalse) |
| 504 | break; |
| 505 | } |
| 506 | } |
| 507 | (void) CloseBlob(image); |
| 508 | return(GetFirstImageInList(image)); |
| 509 | } |
| 510 | |
| 511 | /* |
| 512 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 513 | % % |
| 514 | % % |
| 515 | % % |
| 516 | % R e g i s t e r F I T S I m a g e % |
| 517 | % % |
| 518 | % % |
| 519 | % % |
| 520 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 521 | % |
| 522 | % RegisterFITSImage() adds attributes for the FITS image format to |
| 523 | % the list of supported formats. The attributes include the image format |
| 524 | % tag, a method to read and/or write the format, whether the format |
| 525 | % supports the saving of more than one frame to the same file or blob, |
| 526 | % whether the format supports native in-memory I/O, and a brief |
| 527 | % description of the format. |
| 528 | % |
| 529 | % The format of the RegisterFITSImage method is: |
| 530 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 531 | % size_t RegisterFITSImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 532 | % |
| 533 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 534 | ModuleExport size_t RegisterFITSImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 535 | { |
| 536 | MagickInfo |
| 537 | *entry; |
| 538 | |
dirk | 06b627a | 2015-04-06 18:59:17 +0000 | [diff] [blame] | 539 | entry=AcquireMagickInfo("FITS","FITS","Flexible Image Transport System"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 540 | entry->decoder=(DecodeImageHandler *) ReadFITSImage; |
| 541 | entry->encoder=(EncodeImageHandler *) WriteFITSImage; |
| 542 | entry->magick=(IsImageFormatHandler *) IsFITS; |
dirk | 08e9a11 | 2015-02-22 01:51:41 +0000 | [diff] [blame] | 543 | entry->flags^=CoderAdjoinFlag; |
| 544 | entry->flags|=CoderSeekableStreamFlag; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 545 | (void) RegisterMagickInfo(entry); |
dirk | cbab2d1 | 2015-04-06 19:14:44 +0000 | [diff] [blame] | 546 | entry=AcquireMagickInfo("FITS","FTS","Flexible Image Transport System"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 547 | entry->decoder=(DecodeImageHandler *) ReadFITSImage; |
| 548 | entry->encoder=(EncodeImageHandler *) WriteFITSImage; |
| 549 | entry->magick=(IsImageFormatHandler *) IsFITS; |
dirk | 08e9a11 | 2015-02-22 01:51:41 +0000 | [diff] [blame] | 550 | entry->flags^=CoderAdjoinFlag; |
| 551 | entry->flags|=CoderSeekableStreamFlag; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 552 | (void) RegisterMagickInfo(entry); |
| 553 | return(MagickImageCoderSignature); |
| 554 | } |
| 555 | |
| 556 | /* |
| 557 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 558 | % % |
| 559 | % % |
| 560 | % % |
| 561 | % U n r e g i s t e r F I T S I m a g e % |
| 562 | % % |
| 563 | % % |
| 564 | % % |
| 565 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 566 | % |
| 567 | % UnregisterFITSImage() removes format registrations made by the |
| 568 | % FITS module from the list of supported formats. |
| 569 | % |
| 570 | % The format of the UnregisterFITSImage method is: |
| 571 | % |
| 572 | % UnregisterFITSImage(void) |
| 573 | % |
| 574 | */ |
| 575 | ModuleExport void UnregisterFITSImage(void) |
| 576 | { |
| 577 | (void) UnregisterMagickInfo("FITS"); |
| 578 | (void) UnregisterMagickInfo("FTS"); |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 583 | % % |
| 584 | % % |
| 585 | % % |
| 586 | % W r i t e F I T S I m a g e % |
| 587 | % % |
| 588 | % % |
| 589 | % % |
| 590 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 591 | % |
| 592 | % WriteFITSImage() writes a Flexible Image Transport System image to a |
| 593 | % file as gray scale intensities [0..255]. |
| 594 | % |
| 595 | % The format of the WriteFITSImage method is: |
| 596 | % |
| 597 | % MagickBooleanType WriteFITSImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 598 | % Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 599 | % |
| 600 | % A description of each parameter follows. |
| 601 | % |
| 602 | % o image_info: the image info. |
| 603 | % |
| 604 | % o image: The image. |
| 605 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 606 | % o exception: return any errors or warnings in this structure. |
| 607 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 608 | */ |
| 609 | static MagickBooleanType WriteFITSImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 610 | Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 611 | { |
| 612 | char |
| 613 | header[FITSBlocksize], |
| 614 | *fits_info; |
| 615 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 616 | MagickBooleanType |
| 617 | status; |
| 618 | |
| 619 | QuantumInfo |
| 620 | *quantum_info; |
| 621 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 622 | register const Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 623 | *p; |
| 624 | |
| 625 | size_t |
| 626 | length; |
| 627 | |
| 628 | ssize_t |
| 629 | count, |
cristy | 2692d59 | 2010-11-01 18:07:27 +0000 | [diff] [blame] | 630 | offset, |
| 631 | y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 632 | |
| 633 | unsigned char |
| 634 | *pixels; |
| 635 | |
| 636 | /* |
| 637 | Open output image file. |
| 638 | */ |
| 639 | assert(image_info != (const ImageInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 640 | assert(image_info->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 641 | assert(image != (Image *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 642 | assert(image->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 643 | if (image->debug != MagickFalse) |
| 644 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
cristy | 3a37efd | 2011-08-28 20:31:03 +0000 | [diff] [blame] | 645 | assert(exception != (ExceptionInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 646 | assert(exception->signature == MagickCoreSignature); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 647 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 648 | if (status == MagickFalse) |
| 649 | return(status); |
cristy | af8d391 | 2014-02-21 14:50:33 +0000 | [diff] [blame] | 650 | (void) TransformImageColorspace(image,sRGBColorspace,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 651 | /* |
| 652 | Allocate image memory. |
| 653 | */ |
| 654 | fits_info=(char *) AcquireQuantumMemory(FITSBlocksize,sizeof(*fits_info)); |
| 655 | if (fits_info == (char *) NULL) |
| 656 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 657 | (void) ResetMagickMemory(fits_info,' ',FITSBlocksize*sizeof(*fits_info)); |
| 658 | /* |
| 659 | Initialize image header. |
| 660 | */ |
| 661 | image->depth=GetImageQuantumDepth(image,MagickFalse); |
cristy | 6ea44a9 | 2013-02-03 23:40:10 +0000 | [diff] [blame] | 662 | image->endian=MSBEndian; |
cristy | 5f766ef | 2014-12-14 21:12:47 +0000 | [diff] [blame] | 663 | quantum_info=AcquireQuantumInfo(image_info,image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 664 | if (quantum_info == (QuantumInfo *) NULL) |
| 665 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 666 | offset=0; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 667 | (void) FormatLocaleString(header,FITSBlocksize, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 668 | "SIMPLE = T"); |
| 669 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 670 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 671 | (void) FormatLocaleString(header,FITSBlocksize,"BITPIX = %10ld", |
cristy | 67e3eab | 2014-06-17 00:25:27 +0000 | [diff] [blame] | 672 | (long) ((quantum_info->format == FloatingPointQuantumFormat ? -1 : 1)* |
| 673 | image->depth)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 674 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 675 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 676 | (void) FormatLocaleString(header,FITSBlocksize,"NAXIS = %10lu", |
dirk | f1d8548 | 2015-04-06 00:36:00 +0000 | [diff] [blame] | 677 | SetImageGray(image,exception) != MagickFalse ? 2UL : 3UL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 678 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 679 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 680 | (void) FormatLocaleString(header,FITSBlocksize,"NAXIS1 = %10lu", |
cristy | f2faecf | 2010-05-28 19:19:36 +0000 | [diff] [blame] | 681 | (unsigned long) image->columns); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 682 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 683 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 684 | (void) FormatLocaleString(header,FITSBlocksize,"NAXIS2 = %10lu", |
cristy | f2faecf | 2010-05-28 19:19:36 +0000 | [diff] [blame] | 685 | (unsigned long) image->rows); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 686 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 687 | offset+=80; |
dirk | f1d8548 | 2015-04-06 00:36:00 +0000 | [diff] [blame] | 688 | if (SetImageGray(image,exception) == MagickFalse) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 689 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 690 | (void) FormatLocaleString(header,FITSBlocksize, |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 691 | "NAXIS3 = %10lu",3UL); |
| 692 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 693 | offset+=80; |
| 694 | } |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 695 | (void) FormatLocaleString(header,FITSBlocksize,"BSCALE = %E",1.0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 696 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 697 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 698 | (void) FormatLocaleString(header,FITSBlocksize,"BZERO = %E", |
cristy | 3ec9e8d | 2013-01-30 16:29:51 +0000 | [diff] [blame] | 699 | image->depth > 8 ? GetFITSPixelRange(image->depth)/2.0 : 0.0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 700 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 701 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 702 | (void) FormatLocaleString(header,FITSBlocksize,"DATAMAX = %E", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 703 | 1.0*((MagickOffsetType) GetQuantumRange(image->depth))); |
| 704 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 705 | offset+=80; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 706 | (void) FormatLocaleString(header,FITSBlocksize,"DATAMIN = %E",0.0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 707 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 708 | offset+=80; |
| 709 | if (image->endian == LSBEndian) |
| 710 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 711 | (void) FormatLocaleString(header,FITSBlocksize,"XENDIAN = 'SMALL'"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 712 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 713 | offset+=80; |
| 714 | } |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 715 | (void) FormatLocaleString(header,FITSBlocksize,"HISTORY %.72s", |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 716 | GetMagickVersion((size_t *) NULL)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 717 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 718 | offset+=80; |
| 719 | (void) strncpy(header,"END",FITSBlocksize); |
| 720 | (void) strncpy(fits_info+offset,header,strlen(header)); |
| 721 | offset+=80; |
| 722 | (void) WriteBlob(image,FITSBlocksize,(unsigned char *) fits_info); |
| 723 | /* |
| 724 | Convert image to fits scale PseudoColor class. |
| 725 | */ |
cristy | b3f97ae | 2015-05-18 12:29:32 +0000 | [diff] [blame] | 726 | pixels=(unsigned char *) GetQuantumPixels(quantum_info); |
dirk | f1d8548 | 2015-04-06 00:36:00 +0000 | [diff] [blame] | 727 | if (SetImageGray(image,exception) != MagickFalse) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 728 | { |
| 729 | length=GetQuantumExtent(image,quantum_info,GrayQuantum); |
| 730 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
| 731 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 732 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 733 | if (p == (const Quantum *) NULL) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 734 | break; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 735 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 736 | GrayQuantum,pixels,exception); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 737 | if (image->depth == 16) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 738 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 739 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 740 | if (((image->depth == 32) || (image->depth == 64)) && |
| 741 | (quantum_info->format != FloatingPointQuantumFormat)) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 742 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 743 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 744 | count=WriteBlob(image,length,pixels); |
| 745 | if (count != (ssize_t) length) |
| 746 | break; |
| 747 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 748 | image->rows); |
| 749 | if (status == MagickFalse) |
| 750 | break; |
| 751 | } |
| 752 | } |
| 753 | else |
| 754 | { |
| 755 | length=GetQuantumExtent(image,quantum_info,RedQuantum); |
| 756 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
| 757 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 758 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 759 | if (p == (const Quantum *) NULL) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 760 | break; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 761 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 762 | RedQuantum,pixels,exception); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 763 | if (image->depth == 16) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 764 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 765 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 766 | if (((image->depth == 32) || (image->depth == 64)) && |
| 767 | (quantum_info->format != FloatingPointQuantumFormat)) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 768 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 769 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 770 | count=WriteBlob(image,length,pixels); |
| 771 | if (count != (ssize_t) length) |
| 772 | break; |
| 773 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 774 | image->rows); |
| 775 | if (status == MagickFalse) |
| 776 | break; |
| 777 | } |
| 778 | length=GetQuantumExtent(image,quantum_info,GreenQuantum); |
| 779 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
| 780 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 781 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 782 | if (p == (const Quantum *) NULL) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 783 | break; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 784 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 785 | GreenQuantum,pixels,exception); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 786 | if (image->depth == 16) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 787 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 788 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 789 | if (((image->depth == 32) || (image->depth == 64)) && |
| 790 | (quantum_info->format != FloatingPointQuantumFormat)) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 791 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 792 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 793 | count=WriteBlob(image,length,pixels); |
| 794 | if (count != (ssize_t) length) |
| 795 | break; |
| 796 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 797 | image->rows); |
| 798 | if (status == MagickFalse) |
| 799 | break; |
| 800 | } |
| 801 | length=GetQuantumExtent(image,quantum_info,BlueQuantum); |
| 802 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
| 803 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 804 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 805 | if (p == (const Quantum *) NULL) |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 806 | break; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 807 | length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 808 | BlueQuantum,pixels,exception); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 809 | if (image->depth == 16) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 810 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 811 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 812 | if (((image->depth == 32) || (image->depth == 64)) && |
| 813 | (quantum_info->format != FloatingPointQuantumFormat)) |
cristy | f84dc8e | 2013-02-02 16:46:26 +0000 | [diff] [blame] | 814 | SetFITSUnsignedPixels(image->columns,image->depth,image->endian, |
| 815 | pixels); |
cristy | fcbcae8 | 2011-04-22 12:53:27 +0000 | [diff] [blame] | 816 | count=WriteBlob(image,length,pixels); |
| 817 | if (count != (ssize_t) length) |
| 818 | break; |
| 819 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 820 | image->rows); |
| 821 | if (status == MagickFalse) |
| 822 | break; |
| 823 | } |
| 824 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 825 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 826 | length=(size_t) (FITSBlocksize-TellBlob(image) % FITSBlocksize); |
| 827 | if (length != 0) |
| 828 | { |
| 829 | (void) ResetMagickMemory(fits_info,0,length*sizeof(*fits_info)); |
| 830 | (void) WriteBlob(image,length,(unsigned char *) fits_info); |
| 831 | } |
| 832 | fits_info=DestroyString(fits_info); |
| 833 | (void) CloseBlob(image); |
| 834 | return(MagickTrue); |
| 835 | } |