cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % JJJJJ PPPP EEEEE GGGG % |
| 7 | % J P P E G % |
| 8 | % J PPPP EEE G GG % |
| 9 | % J J P E G G % |
| 10 | % JJJ P EEEEE GGG % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write JPEG Image Format % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
cristy | 45ef08f | 2012-12-07 13:13:34 +0000 | [diff] [blame] | 20 | % Copyright 1999-2013 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 | % This software is based in part on the work of the Independent JPEG Group. |
| 37 | % See ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz for copyright and |
| 38 | % licensing restrictions. Blob support contributed by Glenn Randers-Pehrson. |
| 39 | % |
| 40 | % |
| 41 | */ |
| 42 | |
| 43 | /* |
| 44 | Include declarations. |
| 45 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 46 | #include "MagickCore/studio.h" |
cristy | c634861 | 2013-04-05 14:24:24 +0000 | [diff] [blame] | 47 | #include "MagickCore/artifact.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 48 | #include "MagickCore/attribute.h" |
| 49 | #include "MagickCore/blob.h" |
| 50 | #include "MagickCore/blob-private.h" |
| 51 | #include "MagickCore/cache.h" |
| 52 | #include "MagickCore/color.h" |
| 53 | #include "MagickCore/colormap-private.h" |
| 54 | #include "MagickCore/color-private.h" |
| 55 | #include "MagickCore/colormap.h" |
| 56 | #include "MagickCore/colorspace.h" |
cristy | 510d06a | 2011-07-06 23:43:54 +0000 | [diff] [blame] | 57 | #include "MagickCore/colorspace-private.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 58 | #include "MagickCore/constitute.h" |
| 59 | #include "MagickCore/exception.h" |
| 60 | #include "MagickCore/exception-private.h" |
| 61 | #include "MagickCore/geometry.h" |
| 62 | #include "MagickCore/image.h" |
| 63 | #include "MagickCore/image-private.h" |
| 64 | #include "MagickCore/list.h" |
| 65 | #include "MagickCore/log.h" |
| 66 | #include "MagickCore/magick.h" |
| 67 | #include "MagickCore/memory_.h" |
| 68 | #include "MagickCore/module.h" |
| 69 | #include "MagickCore/monitor.h" |
| 70 | #include "MagickCore/monitor-private.h" |
| 71 | #include "MagickCore/option.h" |
| 72 | #include "MagickCore/pixel-accessor.h" |
| 73 | #include "MagickCore/profile.h" |
| 74 | #include "MagickCore/property.h" |
| 75 | #include "MagickCore/quantum-private.h" |
| 76 | #include "MagickCore/resource_.h" |
| 77 | #include "MagickCore/splay-tree.h" |
| 78 | #include "MagickCore/static.h" |
| 79 | #include "MagickCore/string_.h" |
| 80 | #include "MagickCore/string-private.h" |
cristy | e40005d | 2012-03-23 12:18:45 +0000 | [diff] [blame] | 81 | #include "MagickCore/token.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 82 | #include "MagickCore/utility.h" |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 83 | #include "MagickCore/xml-tree.h" |
| 84 | #include "MagickCore/xml-tree-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 85 | #include <setjmp.h> |
| 86 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 87 | #define JPEG_INTERNAL_OPTIONS |
cristy | 07a3cca | 2012-12-10 13:09:10 +0000 | [diff] [blame] | 88 | #if defined(__MINGW32__) || defined(__MINGW64__) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 89 | # define XMD_H 1 /* Avoid conflicting typedef for INT32 */ |
| 90 | #endif |
| 91 | #undef HAVE_STDLIB_H |
| 92 | #include "jpeglib.h" |
| 93 | #include "jerror.h" |
| 94 | #endif |
| 95 | |
| 96 | /* |
| 97 | Define declarations. |
| 98 | */ |
| 99 | #define ICC_MARKER (JPEG_APP0+2) |
| 100 | #define ICC_PROFILE "ICC_PROFILE" |
| 101 | #define IPTC_MARKER (JPEG_APP0+13) |
| 102 | #define XML_MARKER (JPEG_APP0+1) |
cristy | eb9759e | 2012-06-07 23:06:29 +0000 | [diff] [blame] | 103 | #define MaxBufferExtent 16384 |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 104 | |
| 105 | /* |
| 106 | Typedef declarations. |
| 107 | */ |
| 108 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 109 | typedef struct _DestinationManager |
| 110 | { |
| 111 | struct jpeg_destination_mgr |
| 112 | manager; |
| 113 | |
| 114 | Image |
| 115 | *image; |
| 116 | |
| 117 | JOCTET |
| 118 | *buffer; |
| 119 | } DestinationManager; |
| 120 | |
| 121 | typedef struct _ErrorManager |
| 122 | { |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 123 | ExceptionInfo |
| 124 | *exception; |
| 125 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 126 | Image |
| 127 | *image; |
| 128 | |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 129 | MagickBooleanType |
| 130 | finished; |
| 131 | |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 132 | StringInfo |
| 133 | *profile; |
| 134 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 135 | jmp_buf |
| 136 | error_recovery; |
| 137 | } ErrorManager; |
| 138 | |
| 139 | typedef struct _SourceManager |
| 140 | { |
| 141 | struct jpeg_source_mgr |
| 142 | manager; |
| 143 | |
| 144 | Image |
| 145 | *image; |
| 146 | |
| 147 | JOCTET |
| 148 | *buffer; |
| 149 | |
| 150 | boolean |
| 151 | start_of_blob; |
| 152 | } SourceManager; |
| 153 | #endif |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 154 | |
| 155 | typedef struct _QuantizationTable |
| 156 | { |
| 157 | char |
| 158 | *slot, |
| 159 | *description; |
| 160 | |
| 161 | size_t |
| 162 | width, |
| 163 | height; |
| 164 | |
cristy | 043f3f3 | 2012-03-02 17:37:28 +0000 | [diff] [blame] | 165 | double |
| 166 | divisor; |
| 167 | |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 168 | unsigned int |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 169 | *levels; |
| 170 | } QuantizationTable; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 171 | |
| 172 | /* |
| 173 | Forward declarations. |
| 174 | */ |
| 175 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 176 | static MagickBooleanType |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 177 | WriteJPEGImage(const ImageInfo *,Image *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 178 | #endif |
| 179 | |
| 180 | /* |
| 181 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 182 | % % |
| 183 | % % |
| 184 | % % |
| 185 | % I s J P E G % |
| 186 | % % |
| 187 | % % |
| 188 | % % |
| 189 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 190 | % |
| 191 | % IsJPEG() returns MagickTrue if the image format type, identified by the |
| 192 | % magick string, is JPEG. |
| 193 | % |
| 194 | % The format of the IsJPEG method is: |
| 195 | % |
| 196 | % MagickBooleanType IsJPEG(const unsigned char *magick,const size_t length) |
| 197 | % |
| 198 | % A description of each parameter follows: |
| 199 | % |
| 200 | % o magick: compare image format pattern against these bytes. |
| 201 | % |
| 202 | % o length: Specifies the length of the magick string. |
| 203 | % |
| 204 | */ |
| 205 | static MagickBooleanType IsJPEG(const unsigned char *magick,const size_t length) |
| 206 | { |
| 207 | if (length < 3) |
| 208 | return(MagickFalse); |
| 209 | if (memcmp(magick,"\377\330\377",3) == 0) |
| 210 | return(MagickTrue); |
| 211 | return(MagickFalse); |
| 212 | } |
| 213 | |
| 214 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 215 | /* |
| 216 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 217 | % % |
| 218 | % % |
| 219 | % % |
| 220 | % R e a d J P E G I m a g e % |
| 221 | % % |
| 222 | % % |
| 223 | % % |
| 224 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 225 | % |
| 226 | % ReadJPEGImage() reads a JPEG image file and returns it. It allocates |
| 227 | % the memory necessary for the new Image structure and returns a pointer to |
| 228 | % the new image. |
| 229 | % |
| 230 | % The format of the ReadJPEGImage method is: |
| 231 | % |
| 232 | % Image *ReadJPEGImage(const ImageInfo *image_info, |
| 233 | % ExceptionInfo *exception) |
| 234 | % |
| 235 | % A description of each parameter follows: |
| 236 | % |
| 237 | % o image_info: the image info. |
| 238 | % |
| 239 | % o exception: return any errors or warnings in this structure. |
| 240 | % |
| 241 | */ |
| 242 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 243 | static boolean FillInputBuffer(j_decompress_ptr cinfo) |
| 244 | { |
| 245 | SourceManager |
| 246 | *source; |
| 247 | |
| 248 | source=(SourceManager *) cinfo->src; |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 249 | source->manager.bytes_in_buffer=(size_t) ReadBlob(source->image, |
| 250 | MaxBufferExtent,source->buffer); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 251 | if (source->manager.bytes_in_buffer == 0) |
| 252 | { |
cristy | 453b820 | 2012-06-07 22:57:52 +0000 | [diff] [blame] | 253 | if (source->start_of_blob != FALSE) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 254 | ERREXIT(cinfo,JERR_INPUT_EMPTY); |
| 255 | WARNMS(cinfo,JWRN_JPEG_EOF); |
| 256 | source->buffer[0]=(JOCTET) 0xff; |
| 257 | source->buffer[1]=(JOCTET) JPEG_EOI; |
| 258 | source->manager.bytes_in_buffer=2; |
| 259 | } |
| 260 | source->manager.next_input_byte=source->buffer; |
| 261 | source->start_of_blob=FALSE; |
| 262 | return(TRUE); |
| 263 | } |
| 264 | |
| 265 | static int GetCharacter(j_decompress_ptr jpeg_info) |
| 266 | { |
| 267 | if (jpeg_info->src->bytes_in_buffer == 0) |
| 268 | (void) (*jpeg_info->src->fill_input_buffer)(jpeg_info); |
| 269 | jpeg_info->src->bytes_in_buffer--; |
| 270 | return((int) GETJOCTET(*jpeg_info->src->next_input_byte++)); |
| 271 | } |
| 272 | |
| 273 | static void InitializeSource(j_decompress_ptr cinfo) |
| 274 | { |
| 275 | SourceManager |
| 276 | *source; |
| 277 | |
| 278 | source=(SourceManager *) cinfo->src; |
| 279 | source->start_of_blob=TRUE; |
| 280 | } |
| 281 | |
cristy | e8dd130 | 2009-11-11 02:45:03 +0000 | [diff] [blame] | 282 | static MagickBooleanType IsITUFaxImage(const Image *image) |
| 283 | { |
| 284 | const StringInfo |
| 285 | *profile; |
| 286 | |
| 287 | const unsigned char |
| 288 | *datum; |
| 289 | |
cristy | ace6aa4 | 2009-11-11 03:17:33 +0000 | [diff] [blame] | 290 | profile=GetImageProfile(image,"8bim"); |
cristy | e8dd130 | 2009-11-11 02:45:03 +0000 | [diff] [blame] | 291 | if (profile == (const StringInfo *) NULL) |
| 292 | return(MagickFalse); |
| 293 | if (GetStringInfoLength(profile) < 5) |
| 294 | return(MagickFalse); |
| 295 | datum=GetStringInfoDatum(profile); |
| 296 | if ((datum[0] == 0x47) && (datum[1] == 0x33) && (datum[2] == 0x46) && |
| 297 | (datum[3] == 0x41) && (datum[4] == 0x58)) |
| 298 | return(MagickTrue); |
| 299 | return(MagickFalse); |
| 300 | } |
| 301 | |
cristy | 437c393 | 2011-10-12 18:03:46 +0000 | [diff] [blame] | 302 | static void JPEGErrorHandler(j_common_ptr jpeg_info) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 303 | { |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 304 | char |
| 305 | message[JMSG_LENGTH_MAX]; |
| 306 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 307 | ErrorManager |
| 308 | *error_manager; |
| 309 | |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 310 | ExceptionInfo |
| 311 | *exception; |
| 312 | |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 313 | Image |
| 314 | *image; |
| 315 | |
| 316 | *message='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 317 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 318 | image=error_manager->image; |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 319 | exception=error_manager->exception; |
cristy | 86f3354 | 2011-05-21 22:58:33 +0000 | [diff] [blame] | 320 | (jpeg_info->err->format_message)(jpeg_info,message); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 321 | if (image->debug != MagickFalse) |
cristy | 86f3354 | 2011-05-21 22:58:33 +0000 | [diff] [blame] | 322 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 323 | "[%s] JPEG Trace: \"%s\"",image->filename,message); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 324 | if (error_manager->finished != MagickFalse) |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 325 | (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageWarning, |
| 326 | (char *) message,"`%s'",image->filename); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 327 | else |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 328 | (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, |
| 329 | (char *) message,"`%s'",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 330 | longjmp(error_manager->error_recovery,1); |
| 331 | } |
| 332 | |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 333 | static MagickBooleanType JPEGWarningHandler(j_common_ptr jpeg_info,int level) |
| 334 | { |
cristy | f162e01 | 2012-03-28 12:54:33 +0000 | [diff] [blame] | 335 | #define JPEGExcessiveWarnings 1000 |
| 336 | |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 337 | char |
| 338 | message[JMSG_LENGTH_MAX]; |
| 339 | |
| 340 | ErrorManager |
| 341 | *error_manager; |
| 342 | |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 343 | ExceptionInfo |
| 344 | *exception; |
| 345 | |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 346 | Image |
| 347 | *image; |
| 348 | |
| 349 | *message='\0'; |
| 350 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 351 | exception=error_manager->exception; |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 352 | image=error_manager->image; |
| 353 | if (level < 0) |
| 354 | { |
| 355 | /* |
| 356 | Process warning message. |
| 357 | */ |
| 358 | (jpeg_info->err->format_message)(jpeg_info,message); |
cristy | f162e01 | 2012-03-28 12:54:33 +0000 | [diff] [blame] | 359 | if (jpeg_info->err->num_warnings++ > JPEGExcessiveWarnings) |
| 360 | JPEGErrorHandler(jpeg_info); |
cristy | 8043fb3 | 2012-06-28 16:14:12 +0000 | [diff] [blame] | 361 | ThrowBinaryException(CorruptImageWarning,(char *) message, |
| 362 | image->filename); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 363 | } |
| 364 | else |
| 365 | if ((image->debug != MagickFalse) && |
| 366 | (level >= jpeg_info->err->trace_level)) |
| 367 | { |
| 368 | /* |
| 369 | Process trace message. |
| 370 | */ |
| 371 | (jpeg_info->err->format_message)(jpeg_info,message); |
| 372 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 373 | "[%s] JPEG Trace: \"%s\"",image->filename,message); |
| 374 | } |
| 375 | return(MagickTrue); |
| 376 | } |
| 377 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 378 | static boolean ReadComment(j_decompress_ptr jpeg_info) |
| 379 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 380 | ErrorManager |
| 381 | *error_manager; |
| 382 | |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 383 | ExceptionInfo |
| 384 | *exception; |
| 385 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 386 | Image |
| 387 | *image; |
| 388 | |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 389 | register unsigned char |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 390 | *p; |
| 391 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 392 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 393 | i; |
| 394 | |
| 395 | size_t |
| 396 | length; |
| 397 | |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 398 | StringInfo |
| 399 | *comment; |
| 400 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 401 | /* |
| 402 | Determine length of comment. |
| 403 | */ |
| 404 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 405 | exception=error_manager->exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 406 | image=error_manager->image; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 407 | length=(size_t) ((size_t) GetCharacter(jpeg_info) << 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 408 | length+=GetCharacter(jpeg_info); |
| 409 | length-=2; |
| 410 | if (length <= 0) |
| 411 | return(MagickTrue); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 412 | comment=BlobToStringInfo((const void *) NULL,length); |
| 413 | if (comment == (StringInfo *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 414 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 415 | image->filename); |
| 416 | /* |
| 417 | Read comment. |
| 418 | */ |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 419 | error_manager->profile=comment; |
| 420 | p=GetStringInfoDatum(comment); |
| 421 | for (i=0; i < (ssize_t) GetStringInfoLength(comment); i++) |
| 422 | *p++=(unsigned char) GetCharacter(jpeg_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 423 | *p='\0'; |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 424 | error_manager->profile=NULL; |
| 425 | p=GetStringInfoDatum(comment); |
| 426 | (void) SetImageProperty(image,"comment",(const char *) p,exception); |
| 427 | comment=DestroyStringInfo(comment); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 428 | return(MagickTrue); |
| 429 | } |
| 430 | |
| 431 | static boolean ReadICCProfile(j_decompress_ptr jpeg_info) |
| 432 | { |
| 433 | char |
| 434 | magick[12]; |
| 435 | |
| 436 | ErrorManager |
| 437 | *error_manager; |
| 438 | |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 439 | ExceptionInfo |
| 440 | *exception; |
| 441 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 442 | Image |
| 443 | *image; |
| 444 | |
| 445 | MagickBooleanType |
| 446 | status; |
| 447 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 448 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 449 | i; |
| 450 | |
| 451 | register unsigned char |
| 452 | *p; |
| 453 | |
| 454 | size_t |
| 455 | length; |
| 456 | |
| 457 | StringInfo |
| 458 | *icc_profile, |
| 459 | *profile; |
| 460 | |
| 461 | /* |
| 462 | Read color profile. |
| 463 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 464 | length=(size_t) ((size_t) GetCharacter(jpeg_info) << 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 465 | length+=(size_t) GetCharacter(jpeg_info); |
| 466 | length-=2; |
| 467 | if (length <= 14) |
| 468 | { |
| 469 | while (length-- > 0) |
| 470 | (void) GetCharacter(jpeg_info); |
| 471 | return(MagickTrue); |
| 472 | } |
| 473 | for (i=0; i < 12; i++) |
| 474 | magick[i]=(char) GetCharacter(jpeg_info); |
| 475 | if (LocaleCompare(magick,ICC_PROFILE) != 0) |
| 476 | { |
| 477 | /* |
| 478 | Not a ICC profile, return. |
| 479 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 480 | for (i=0; i < (ssize_t) (length-12); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 481 | (void) GetCharacter(jpeg_info); |
| 482 | return(MagickTrue); |
| 483 | } |
| 484 | (void) GetCharacter(jpeg_info); /* id */ |
| 485 | (void) GetCharacter(jpeg_info); /* markers */ |
| 486 | length-=14; |
| 487 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 488 | exception=error_manager->exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 489 | image=error_manager->image; |
cristy | 8723e4b | 2011-09-01 13:11:19 +0000 | [diff] [blame] | 490 | profile=BlobToStringInfo((const void *) NULL,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 491 | if (profile == (StringInfo *) NULL) |
| 492 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 493 | image->filename); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 494 | error_manager->profile=profile; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 495 | p=GetStringInfoDatum(profile); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 496 | for (i=(ssize_t) GetStringInfoLength(profile)-1; i >= 0; i--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 497 | *p++=(unsigned char) GetCharacter(jpeg_info); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 498 | error_manager->profile=NULL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 499 | icc_profile=(StringInfo *) GetImageProfile(image,"icc"); |
| 500 | if (icc_profile != (StringInfo *) NULL) |
| 501 | { |
| 502 | ConcatenateStringInfo(icc_profile,profile); |
| 503 | profile=DestroyStringInfo(profile); |
| 504 | } |
| 505 | else |
| 506 | { |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 507 | status=SetImageProfile(image,"icc",profile,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 508 | profile=DestroyStringInfo(profile); |
| 509 | if (status == MagickFalse) |
| 510 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 511 | image->filename); |
| 512 | } |
| 513 | if (image->debug != MagickFalse) |
| 514 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 515 | "Profile: ICC, %.20g bytes",(double) length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 516 | return(MagickTrue); |
| 517 | } |
| 518 | |
| 519 | static boolean ReadIPTCProfile(j_decompress_ptr jpeg_info) |
| 520 | { |
| 521 | char |
| 522 | magick[MaxTextExtent]; |
| 523 | |
| 524 | ErrorManager |
| 525 | *error_manager; |
| 526 | |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 527 | ExceptionInfo |
| 528 | *exception; |
| 529 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 530 | Image |
| 531 | *image; |
| 532 | |
| 533 | MagickBooleanType |
| 534 | status; |
| 535 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 536 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 537 | i; |
| 538 | |
| 539 | register unsigned char |
| 540 | *p; |
| 541 | |
| 542 | size_t |
| 543 | length; |
| 544 | |
| 545 | StringInfo |
| 546 | *iptc_profile, |
| 547 | *profile; |
| 548 | |
| 549 | /* |
| 550 | Determine length of binary data stored here. |
| 551 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 552 | length=(size_t) ((size_t) GetCharacter(jpeg_info) << 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 553 | length+=(size_t) GetCharacter(jpeg_info); |
| 554 | length-=2; |
| 555 | if (length <= 14) |
| 556 | { |
| 557 | while (length-- > 0) |
| 558 | (void) GetCharacter(jpeg_info); |
| 559 | return(MagickTrue); |
| 560 | } |
| 561 | /* |
| 562 | Validate that this was written as a Photoshop resource format slug. |
| 563 | */ |
| 564 | for (i=0; i < 10; i++) |
| 565 | magick[i]=(char) GetCharacter(jpeg_info); |
| 566 | magick[10]='\0'; |
| 567 | if (length <= 10) |
| 568 | return(MagickTrue); |
| 569 | length-=10; |
| 570 | if (LocaleCompare(magick,"Photoshop ") != 0) |
| 571 | { |
| 572 | /* |
| 573 | Not a IPTC profile, return. |
| 574 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 575 | for (i=0; i < (ssize_t) length; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 576 | (void) GetCharacter(jpeg_info); |
| 577 | return(MagickTrue); |
| 578 | } |
| 579 | /* |
| 580 | Remove the version number. |
| 581 | */ |
| 582 | for (i=0; i < 4; i++) |
| 583 | (void) GetCharacter(jpeg_info); |
| 584 | if (length <= 4) |
| 585 | return(MagickTrue); |
| 586 | length-=4; |
| 587 | if (length == 0) |
| 588 | return(MagickTrue); |
| 589 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 590 | exception=error_manager->exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 591 | image=error_manager->image; |
cristy | 8723e4b | 2011-09-01 13:11:19 +0000 | [diff] [blame] | 592 | profile=BlobToStringInfo((const void *) NULL,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 593 | if (profile == (StringInfo *) NULL) |
| 594 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 595 | image->filename); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 596 | error_manager->profile=profile; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 597 | p=GetStringInfoDatum(profile); |
cristy | 109e557 | 2010-09-16 18:38:17 +0000 | [diff] [blame] | 598 | for (i=0; i < (ssize_t) GetStringInfoLength(profile); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 599 | *p++=(unsigned char) GetCharacter(jpeg_info); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 600 | error_manager->profile=NULL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 601 | iptc_profile=(StringInfo *) GetImageProfile(image,"8bim"); |
| 602 | if (iptc_profile != (StringInfo *) NULL) |
| 603 | { |
| 604 | ConcatenateStringInfo(iptc_profile,profile); |
| 605 | profile=DestroyStringInfo(profile); |
| 606 | } |
| 607 | else |
| 608 | { |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 609 | status=SetImageProfile(image,"8bim",profile,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 610 | profile=DestroyStringInfo(profile); |
| 611 | if (status == MagickFalse) |
| 612 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 613 | image->filename); |
| 614 | } |
| 615 | if (image->debug != MagickFalse) |
| 616 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 617 | "Profile: iptc, %.20g bytes",(double) length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 618 | return(MagickTrue); |
| 619 | } |
| 620 | |
| 621 | static boolean ReadProfile(j_decompress_ptr jpeg_info) |
| 622 | { |
| 623 | char |
| 624 | name[MaxTextExtent]; |
| 625 | |
cristy | e23ec9d | 2011-08-16 18:15:40 +0000 | [diff] [blame] | 626 | const StringInfo |
| 627 | *previous_profile; |
| 628 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 629 | ErrorManager |
| 630 | *error_manager; |
| 631 | |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 632 | ExceptionInfo |
| 633 | *exception; |
| 634 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 635 | Image |
| 636 | *image; |
| 637 | |
| 638 | int |
| 639 | marker; |
| 640 | |
| 641 | MagickBooleanType |
| 642 | status; |
| 643 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 644 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 645 | i; |
| 646 | |
| 647 | register unsigned char |
| 648 | *p; |
| 649 | |
| 650 | size_t |
| 651 | length; |
| 652 | |
| 653 | StringInfo |
| 654 | *profile; |
| 655 | |
| 656 | /* |
| 657 | Read generic profile. |
| 658 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 659 | length=(size_t) ((size_t) GetCharacter(jpeg_info) << 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 660 | length+=(size_t) GetCharacter(jpeg_info); |
| 661 | if (length <= 2) |
| 662 | return(MagickTrue); |
| 663 | length-=2; |
| 664 | marker=jpeg_info->unread_marker-JPEG_APP0; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 665 | (void) FormatLocaleString(name,MaxTextExtent,"APP%d",marker); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 666 | error_manager=(ErrorManager *) jpeg_info->client_data; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 667 | exception=error_manager->exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 668 | image=error_manager->image; |
cristy | 8723e4b | 2011-09-01 13:11:19 +0000 | [diff] [blame] | 669 | profile=BlobToStringInfo((const void *) NULL,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 670 | if (profile == (StringInfo *) NULL) |
| 671 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 672 | image->filename); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 673 | error_manager->profile=profile; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 674 | p=GetStringInfoDatum(profile); |
cristy | 08f255a | 2011-08-17 01:23:06 +0000 | [diff] [blame] | 675 | for (i=0; i < (ssize_t) GetStringInfoLength(profile); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 676 | *p++=(unsigned char) GetCharacter(jpeg_info); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 677 | error_manager->profile=NULL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 678 | if (marker == 1) |
| 679 | { |
| 680 | p=GetStringInfoDatum(profile); |
| 681 | if ((length > 4) && (LocaleNCompare((char *) p,"exif",4) == 0)) |
| 682 | (void) CopyMagickString(name,"exif",MaxTextExtent); |
| 683 | if ((length > 5) && (LocaleNCompare((char *) p,"http:",5) == 0)) |
| 684 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 685 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 686 | j; |
| 687 | |
| 688 | /* |
| 689 | Extract namespace from XMP profile. |
| 690 | */ |
| 691 | p=GetStringInfoDatum(profile); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 692 | for (j=0; j < (ssize_t) GetStringInfoLength(profile); j++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 693 | { |
| 694 | if (*p == '\0') |
| 695 | break; |
| 696 | p++; |
| 697 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 698 | if (j < (ssize_t) GetStringInfoLength(profile)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 699 | (void) DestroyStringInfo(SplitStringInfo(profile,(size_t) (j+1))); |
| 700 | (void) CopyMagickString(name,"xmp",MaxTextExtent); |
| 701 | } |
| 702 | } |
cristy | e23ec9d | 2011-08-16 18:15:40 +0000 | [diff] [blame] | 703 | previous_profile=GetImageProfile(image,name); |
| 704 | if (previous_profile != (const StringInfo *) NULL) |
cristy | 08f255a | 2011-08-17 01:23:06 +0000 | [diff] [blame] | 705 | { |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 706 | size_t |
cristy | 05c0c9a | 2011-09-05 23:16:13 +0000 | [diff] [blame] | 707 | length; |
| 708 | |
| 709 | length=GetStringInfoLength(profile); |
cristy | 08f255a | 2011-08-17 01:23:06 +0000 | [diff] [blame] | 710 | SetStringInfoLength(profile,GetStringInfoLength(profile)+ |
| 711 | GetStringInfoLength(previous_profile)); |
cristy | 83ab3d8 | 2011-09-06 12:05:51 +0000 | [diff] [blame] | 712 | (void) memmove(GetStringInfoDatum(profile)+ |
| 713 | GetStringInfoLength(previous_profile),GetStringInfoDatum(profile), |
| 714 | length); |
cristy | 08f255a | 2011-08-17 01:23:06 +0000 | [diff] [blame] | 715 | (void) memcpy(GetStringInfoDatum(profile), |
| 716 | GetStringInfoDatum(previous_profile), |
| 717 | GetStringInfoLength(previous_profile)); |
| 718 | } |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 719 | status=SetImageProfile(image,name,profile,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 720 | profile=DestroyStringInfo(profile); |
| 721 | if (status == MagickFalse) |
| 722 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 723 | image->filename); |
| 724 | if (image->debug != MagickFalse) |
| 725 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 726 | "Profile: %s, %.20g bytes",name,(double) length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 727 | return(MagickTrue); |
| 728 | } |
| 729 | |
cristy | f2faecf | 2010-05-28 19:19:36 +0000 | [diff] [blame] | 730 | static void SkipInputData(j_decompress_ptr cinfo,long number_bytes) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 731 | { |
| 732 | SourceManager |
| 733 | *source; |
| 734 | |
| 735 | if (number_bytes <= 0) |
| 736 | return; |
| 737 | source=(SourceManager *) cinfo->src; |
cristy | 4cb162a | 2010-05-30 03:04:47 +0000 | [diff] [blame] | 738 | while (number_bytes > (long) source->manager.bytes_in_buffer) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 739 | { |
cristy | f2faecf | 2010-05-28 19:19:36 +0000 | [diff] [blame] | 740 | number_bytes-=(long) source->manager.bytes_in_buffer; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 741 | (void) FillInputBuffer(cinfo); |
| 742 | } |
cristy | 4cb162a | 2010-05-30 03:04:47 +0000 | [diff] [blame] | 743 | source->manager.next_input_byte+=number_bytes; |
| 744 | source->manager.bytes_in_buffer-=number_bytes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 745 | } |
| 746 | |
| 747 | static void TerminateSource(j_decompress_ptr cinfo) |
| 748 | { |
cristy | df0d90e | 2011-12-12 01:03:55 +0000 | [diff] [blame] | 749 | (void) cinfo; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | static void JPEGSourceManager(j_decompress_ptr cinfo,Image *image) |
| 753 | { |
| 754 | SourceManager |
| 755 | *source; |
| 756 | |
| 757 | cinfo->src=(struct jpeg_source_mgr *) (*cinfo->mem->alloc_small) |
| 758 | ((j_common_ptr) cinfo,JPOOL_IMAGE,sizeof(SourceManager)); |
| 759 | source=(SourceManager *) cinfo->src; |
| 760 | source->buffer=(JOCTET *) (*cinfo->mem->alloc_small) |
| 761 | ((j_common_ptr) cinfo,JPOOL_IMAGE,MaxBufferExtent*sizeof(JOCTET)); |
| 762 | source=(SourceManager *) cinfo->src; |
| 763 | source->manager.init_source=InitializeSource; |
| 764 | source->manager.fill_input_buffer=FillInputBuffer; |
| 765 | source->manager.skip_input_data=SkipInputData; |
| 766 | source->manager.resync_to_restart=jpeg_resync_to_restart; |
| 767 | source->manager.term_source=TerminateSource; |
| 768 | source->manager.bytes_in_buffer=0; |
| 769 | source->manager.next_input_byte=NULL; |
| 770 | source->image=image; |
| 771 | } |
| 772 | |
| 773 | static void JPEGSetImageQuality(struct jpeg_decompress_struct *jpeg_info, |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 774 | Image *image, ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 775 | { |
| 776 | image->quality=UndefinedCompressionQuality; |
| 777 | #if defined(D_PROGRESSIVE_SUPPORTED) |
| 778 | if (image->compression == LosslessJPEGCompression) |
| 779 | { |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 780 | SetImageProperty(image,"jpeg:quality","100",exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 781 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 782 | "Quality: 100 (lossless)"); |
| 783 | } |
| 784 | else |
| 785 | #endif |
| 786 | { |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 787 | char |
| 788 | quality[4]; |
| 789 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 790 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 791 | j, |
| 792 | qvalue, |
| 793 | sum; |
| 794 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 795 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 796 | i; |
| 797 | |
| 798 | /* |
| 799 | Determine the JPEG compression quality from the quantization tables. |
| 800 | */ |
| 801 | sum=0; |
| 802 | for (i=0; i < NUM_QUANT_TBLS; i++) |
| 803 | { |
| 804 | if (jpeg_info->quant_tbl_ptrs[i] != NULL) |
| 805 | for (j=0; j < DCTSIZE2; j++) |
| 806 | sum+=jpeg_info->quant_tbl_ptrs[i]->quantval[j]; |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 807 | } |
| 808 | if ((jpeg_info->quant_tbl_ptrs[0] != NULL) && |
| 809 | (jpeg_info->quant_tbl_ptrs[1] != NULL)) |
| 810 | { |
| 811 | ssize_t |
| 812 | hash[101] = |
| 813 | { |
| 814 | 1020, 1015, 932, 848, 780, 735, 702, 679, 660, 645, |
| 815 | 632, 623, 613, 607, 600, 594, 589, 585, 581, 571, |
| 816 | 555, 542, 529, 514, 494, 474, 457, 439, 424, 410, |
| 817 | 397, 386, 373, 364, 351, 341, 334, 324, 317, 309, |
| 818 | 299, 294, 287, 279, 274, 267, 262, 257, 251, 247, |
| 819 | 243, 237, 232, 227, 222, 217, 213, 207, 202, 198, |
| 820 | 192, 188, 183, 177, 173, 168, 163, 157, 153, 148, |
| 821 | 143, 139, 132, 128, 125, 119, 115, 108, 104, 99, |
| 822 | 94, 90, 84, 79, 74, 70, 64, 59, 55, 49, |
| 823 | 45, 40, 34, 30, 25, 20, 15, 11, 6, 4, |
| 824 | 0 |
| 825 | }, |
| 826 | sums[101] = |
| 827 | { |
| 828 | 32640, 32635, 32266, 31495, 30665, 29804, 29146, 28599, 28104, |
| 829 | 27670, 27225, 26725, 26210, 25716, 25240, 24789, 24373, 23946, |
| 830 | 23572, 22846, 21801, 20842, 19949, 19121, 18386, 17651, 16998, |
| 831 | 16349, 15800, 15247, 14783, 14321, 13859, 13535, 13081, 12702, |
| 832 | 12423, 12056, 11779, 11513, 11135, 10955, 10676, 10392, 10208, |
| 833 | 9928, 9747, 9564, 9369, 9193, 9017, 8822, 8639, 8458, |
| 834 | 8270, 8084, 7896, 7710, 7527, 7347, 7156, 6977, 6788, |
| 835 | 6607, 6422, 6236, 6054, 5867, 5684, 5495, 5305, 5128, |
| 836 | 4945, 4751, 4638, 4442, 4248, 4065, 3888, 3698, 3509, |
| 837 | 3326, 3139, 2957, 2775, 2586, 2405, 2216, 2037, 1846, |
| 838 | 1666, 1483, 1297, 1109, 927, 735, 554, 375, 201, |
| 839 | 128, 0 |
| 840 | }; |
| 841 | |
| 842 | qvalue=(ssize_t) (jpeg_info->quant_tbl_ptrs[0]->quantval[2]+ |
| 843 | jpeg_info->quant_tbl_ptrs[0]->quantval[53]+ |
| 844 | jpeg_info->quant_tbl_ptrs[1]->quantval[0]+ |
| 845 | jpeg_info->quant_tbl_ptrs[1]->quantval[DCTSIZE2-1]); |
| 846 | for (i=0; i < 100; i++) |
| 847 | { |
| 848 | if ((qvalue < hash[i]) && (sum < sums[i])) |
| 849 | continue; |
| 850 | if (((qvalue <= hash[i]) && (sum <= sums[i])) || (i >= 50)) |
| 851 | { |
cristy | a2a5a30 | 2013-08-20 11:41:15 +0000 | [diff] [blame] | 852 | FormatLocaleString(quality,4,"%.20g",(double) i+1); |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 853 | SetImageProperty(image,"jpeg:quality",quality,exception); |
| 854 | } |
| 855 | if (image->debug != MagickFalse) |
| 856 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 857 | "Quality: %.20g (%s)",(double) i+1,(qvalue <= hash[i]) && |
| 858 | (sum <= sums[i]) ? "exact" : "approximate"); |
| 859 | break; |
| 860 | } |
| 861 | } |
| 862 | else |
| 863 | if (jpeg_info->quant_tbl_ptrs[0] != NULL) |
| 864 | { |
| 865 | ssize_t |
| 866 | hash[101] = |
| 867 | { |
| 868 | 510, 505, 422, 380, 355, 338, 326, 318, 311, 305, |
| 869 | 300, 297, 293, 291, 288, 286, 284, 283, 281, 280, |
| 870 | 279, 278, 277, 273, 262, 251, 243, 233, 225, 218, |
| 871 | 211, 205, 198, 193, 186, 181, 177, 172, 168, 164, |
| 872 | 158, 156, 152, 148, 145, 142, 139, 136, 133, 131, |
| 873 | 129, 126, 123, 120, 118, 115, 113, 110, 107, 105, |
| 874 | 102, 100, 97, 94, 92, 89, 87, 83, 81, 79, |
| 875 | 76, 74, 70, 68, 66, 63, 61, 57, 55, 52, |
| 876 | 50, 48, 44, 42, 39, 37, 34, 31, 29, 26, |
| 877 | 24, 21, 18, 16, 13, 11, 8, 6, 3, 2, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 878 | 0 |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 879 | }, |
| 880 | sums[101] = |
| 881 | { |
| 882 | 16320, 16315, 15946, 15277, 14655, 14073, 13623, 13230, 12859, |
| 883 | 12560, 12240, 11861, 11456, 11081, 10714, 10360, 10027, 9679, |
| 884 | 9368, 9056, 8680, 8331, 7995, 7668, 7376, 7084, 6823, |
| 885 | 6562, 6345, 6125, 5939, 5756, 5571, 5421, 5240, 5086, |
| 886 | 4976, 4829, 4719, 4616, 4463, 4393, 4280, 4166, 4092, |
| 887 | 3980, 3909, 3835, 3755, 3688, 3621, 3541, 3467, 3396, |
| 888 | 3323, 3247, 3170, 3096, 3021, 2952, 2874, 2804, 2727, |
| 889 | 2657, 2583, 2509, 2437, 2362, 2290, 2211, 2136, 2068, |
| 890 | 1996, 1915, 1858, 1773, 1692, 1620, 1552, 1477, 1398, |
| 891 | 1326, 1251, 1179, 1109, 1031, 961, 884, 814, 736, |
| 892 | 667, 592, 518, 441, 369, 292, 221, 151, 86, |
| 893 | 64, 0 |
| 894 | }; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 895 | |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 896 | qvalue=(ssize_t) (jpeg_info->quant_tbl_ptrs[0]->quantval[2]+ |
| 897 | jpeg_info->quant_tbl_ptrs[0]->quantval[53]); |
| 898 | for (i=0; i < 100; i++) |
| 899 | { |
| 900 | if ((qvalue < hash[i]) && (sum < sums[i])) |
| 901 | continue; |
| 902 | if (((qvalue <= hash[i]) && (sum <= sums[i])) || (i >= 50)) |
| 903 | { |
cristy | a2a5a30 | 2013-08-20 11:41:15 +0000 | [diff] [blame] | 904 | FormatLocaleString(quality,4,"%.20g",(double) i+1); |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 905 | SetImageProperty(image,"jpeg:quality",quality,exception); |
| 906 | } |
| 907 | if (image->debug != MagickFalse) |
| 908 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 909 | "Quality: %.20g (%s)",(double) i+1,(qvalue <= hash[i]) && |
| 910 | (sum <= sums[i]) ? "exact" : "approximate"); |
| 911 | break; |
| 912 | } |
| 913 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 914 | } |
| 915 | } |
| 916 | |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 917 | static void JPEGSetImageSamplingFactor(struct jpeg_decompress_struct *jpeg_info, Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 918 | { |
| 919 | char |
| 920 | sampling_factor[MaxTextExtent]; |
| 921 | |
| 922 | switch (jpeg_info->out_color_space) |
| 923 | { |
| 924 | case JCS_CMYK: |
| 925 | { |
| 926 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Colorspace: CMYK"); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 927 | (void) FormatLocaleString(sampling_factor,MaxTextExtent, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 928 | "%dx%d,%dx%d,%dx%d,%dx%d",jpeg_info->comp_info[0].h_samp_factor, |
| 929 | jpeg_info->comp_info[0].v_samp_factor, |
| 930 | jpeg_info->comp_info[1].h_samp_factor, |
| 931 | jpeg_info->comp_info[1].v_samp_factor, |
| 932 | jpeg_info->comp_info[2].h_samp_factor, |
| 933 | jpeg_info->comp_info[2].v_samp_factor, |
| 934 | jpeg_info->comp_info[3].h_samp_factor, |
| 935 | jpeg_info->comp_info[3].v_samp_factor); |
cristy | 787d435 | 2010-03-06 13:55:58 +0000 | [diff] [blame] | 936 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 937 | } |
| 938 | case JCS_GRAYSCALE: |
| 939 | { |
| 940 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 941 | "Colorspace: GRAYSCALE"); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 942 | (void) FormatLocaleString(sampling_factor,MaxTextExtent,"%dx%d", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 943 | jpeg_info->comp_info[0].h_samp_factor, |
| 944 | jpeg_info->comp_info[0].v_samp_factor); |
| 945 | break; |
| 946 | } |
| 947 | case JCS_RGB: |
| 948 | { |
| 949 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Colorspace: RGB"); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 950 | (void) FormatLocaleString(sampling_factor,MaxTextExtent, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 951 | "%dx%d,%dx%d,%dx%d",jpeg_info->comp_info[0].h_samp_factor, |
| 952 | jpeg_info->comp_info[0].v_samp_factor, |
| 953 | jpeg_info->comp_info[1].h_samp_factor, |
| 954 | jpeg_info->comp_info[1].v_samp_factor, |
| 955 | jpeg_info->comp_info[2].h_samp_factor, |
| 956 | jpeg_info->comp_info[2].v_samp_factor); |
| 957 | break; |
| 958 | } |
| 959 | default: |
| 960 | { |
| 961 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Colorspace: %d", |
| 962 | jpeg_info->out_color_space); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 963 | (void) FormatLocaleString(sampling_factor,MaxTextExtent, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 964 | "%dx%d,%dx%d,%dx%d,%dx%d",jpeg_info->comp_info[0].h_samp_factor, |
| 965 | jpeg_info->comp_info[0].v_samp_factor, |
| 966 | jpeg_info->comp_info[1].h_samp_factor, |
| 967 | jpeg_info->comp_info[1].v_samp_factor, |
| 968 | jpeg_info->comp_info[2].h_samp_factor, |
| 969 | jpeg_info->comp_info[2].v_samp_factor, |
| 970 | jpeg_info->comp_info[3].h_samp_factor, |
| 971 | jpeg_info->comp_info[3].v_samp_factor); |
| 972 | break; |
| 973 | } |
| 974 | } |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 975 | (void) SetImageProperty(image,"jpeg:sampling-factor",sampling_factor, |
| 976 | exception); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 977 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Sampling Factors: %s", |
| 978 | sampling_factor); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 979 | } |
| 980 | |
| 981 | static Image *ReadJPEGImage(const ImageInfo *image_info, |
| 982 | ExceptionInfo *exception) |
| 983 | { |
| 984 | char |
| 985 | value[MaxTextExtent]; |
| 986 | |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 987 | const char |
cristy | 1115121 | 2009-09-14 13:10:15 +0000 | [diff] [blame] | 988 | *option; |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 989 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 990 | ErrorManager |
| 991 | error_manager; |
| 992 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 993 | Image |
| 994 | *image; |
| 995 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 996 | JSAMPLE |
cristy | 75fc68f | 2012-10-08 16:26:00 +0000 | [diff] [blame] | 997 | *volatile jpeg_pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 998 | |
| 999 | JSAMPROW |
| 1000 | scanline[1]; |
| 1001 | |
| 1002 | MagickBooleanType |
| 1003 | debug, |
| 1004 | status; |
| 1005 | |
| 1006 | MagickSizeType |
| 1007 | number_pixels; |
| 1008 | |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 1009 | MemoryInfo |
| 1010 | *memory_info; |
| 1011 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1012 | Quantum |
| 1013 | index; |
| 1014 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1015 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1016 | i; |
| 1017 | |
| 1018 | struct jpeg_decompress_struct |
| 1019 | jpeg_info; |
| 1020 | |
| 1021 | struct jpeg_error_mgr |
| 1022 | jpeg_error; |
| 1023 | |
| 1024 | register JSAMPLE |
| 1025 | *p; |
| 1026 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1027 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1028 | precision, |
| 1029 | units; |
| 1030 | |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 1031 | ssize_t |
| 1032 | y; |
| 1033 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1034 | /* |
| 1035 | Open image file. |
| 1036 | */ |
| 1037 | assert(image_info != (const ImageInfo *) NULL); |
| 1038 | assert(image_info->signature == MagickSignature); |
| 1039 | if (image_info->debug != MagickFalse) |
| 1040 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 1041 | image_info->filename); |
| 1042 | assert(exception != (ExceptionInfo *) NULL); |
| 1043 | assert(exception->signature == MagickSignature); |
| 1044 | debug=IsEventLogging(); |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 1045 | (void) debug; |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 1046 | image=AcquireImage(image_info,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1047 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 1048 | if (status == MagickFalse) |
| 1049 | { |
| 1050 | image=DestroyImageList(image); |
| 1051 | return((Image *) NULL); |
| 1052 | } |
| 1053 | /* |
| 1054 | Initialize JPEG parameters. |
| 1055 | */ |
cristy | 9104497 | 2011-04-22 14:21:16 +0000 | [diff] [blame] | 1056 | (void) ResetMagickMemory(&error_manager,0,sizeof(error_manager)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1057 | (void) ResetMagickMemory(&jpeg_info,0,sizeof(jpeg_info)); |
| 1058 | (void) ResetMagickMemory(&jpeg_error,0,sizeof(jpeg_error)); |
| 1059 | jpeg_info.err=jpeg_std_error(&jpeg_error); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 1060 | jpeg_info.err->emit_message=(void (*)(j_common_ptr,int)) JPEGWarningHandler; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1061 | jpeg_info.err->error_exit=(void (*)(j_common_ptr)) JPEGErrorHandler; |
cristy | 72f87f8 | 2013-06-23 16:43:05 +0000 | [diff] [blame] | 1062 | memory_info=(MemoryInfo *) NULL; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 1063 | error_manager.exception=exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1064 | error_manager.image=image; |
| 1065 | if (setjmp(error_manager.error_recovery) != 0) |
| 1066 | { |
| 1067 | jpeg_destroy_decompress(&jpeg_info); |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 1068 | if (error_manager.profile != (StringInfo *) NULL) |
| 1069 | error_manager.profile=DestroyStringInfo(error_manager.profile); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1070 | (void) CloseBlob(image); |
| 1071 | number_pixels=(MagickSizeType) image->columns*image->rows; |
| 1072 | if (number_pixels != 0) |
| 1073 | return(GetFirstImageInList(image)); |
| 1074 | return(DestroyImage(image)); |
| 1075 | } |
| 1076 | jpeg_info.client_data=(void *) &error_manager; |
| 1077 | jpeg_create_decompress(&jpeg_info); |
| 1078 | JPEGSourceManager(&jpeg_info,image); |
| 1079 | jpeg_set_marker_processor(&jpeg_info,JPEG_COM,ReadComment); |
| 1080 | jpeg_set_marker_processor(&jpeg_info,ICC_MARKER,ReadICCProfile); |
| 1081 | jpeg_set_marker_processor(&jpeg_info,IPTC_MARKER,ReadIPTCProfile); |
| 1082 | for (i=1; i < 16; i++) |
| 1083 | if ((i != 2) && (i != 13) && (i != 14)) |
| 1084 | jpeg_set_marker_processor(&jpeg_info,(int) (JPEG_APP0+i),ReadProfile); |
cristy | 4cb162a | 2010-05-30 03:04:47 +0000 | [diff] [blame] | 1085 | i=(ssize_t) jpeg_read_header(&jpeg_info,MagickTrue); |
cristy | 53215c8 | 2009-09-19 16:32:36 +0000 | [diff] [blame] | 1086 | if ((image_info->colorspace == YCbCrColorspace) || |
| 1087 | (image_info->colorspace == Rec601YCbCrColorspace) || |
| 1088 | (image_info->colorspace == Rec709YCbCrColorspace)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1089 | jpeg_info.out_color_space=JCS_YCbCr; |
| 1090 | /* |
| 1091 | Set image resolution. |
| 1092 | */ |
| 1093 | units=0; |
| 1094 | if ((jpeg_info.saw_JFIF_marker != 0) && (jpeg_info.X_density != 1) && |
| 1095 | (jpeg_info.Y_density != 1)) |
| 1096 | { |
cristy | 2a11bef | 2011-10-28 18:33:11 +0000 | [diff] [blame] | 1097 | image->resolution.x=(double) jpeg_info.X_density; |
| 1098 | image->resolution.y=(double) jpeg_info.Y_density; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1099 | units=(size_t) jpeg_info.density_unit; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1100 | } |
| 1101 | if (units == 1) |
| 1102 | image->units=PixelsPerInchResolution; |
| 1103 | if (units == 2) |
| 1104 | image->units=PixelsPerCentimeterResolution; |
| 1105 | number_pixels=(MagickSizeType) image->columns*image->rows; |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1106 | option=GetImageOption(image_info,"jpeg:size"); |
cristy | 1115121 | 2009-09-14 13:10:15 +0000 | [diff] [blame] | 1107 | if (option != (const char *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1108 | { |
| 1109 | double |
| 1110 | scale_factor; |
| 1111 | |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 1112 | GeometryInfo |
| 1113 | geometry_info; |
| 1114 | |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 1115 | MagickStatusType |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 1116 | flags; |
| 1117 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1118 | /* |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 1119 | Scale the image. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1120 | */ |
cristy | 1115121 | 2009-09-14 13:10:15 +0000 | [diff] [blame] | 1121 | flags=ParseGeometry(option,&geometry_info); |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 1122 | if ((flags & SigmaValue) == 0) |
| 1123 | geometry_info.sigma=geometry_info.rho; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1124 | jpeg_calc_output_dimensions(&jpeg_info); |
| 1125 | image->magick_columns=jpeg_info.output_width; |
| 1126 | image->magick_rows=jpeg_info.output_height; |
cristy | caec74e | 2009-09-14 02:20:04 +0000 | [diff] [blame] | 1127 | scale_factor=1.0; |
| 1128 | if (geometry_info.rho != 0.0) |
| 1129 | scale_factor=jpeg_info.output_width/geometry_info.rho; |
| 1130 | if ((geometry_info.sigma != 0.0) && |
| 1131 | (scale_factor > (jpeg_info.output_height/geometry_info.sigma))) |
| 1132 | scale_factor=jpeg_info.output_height/geometry_info.sigma; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1133 | jpeg_info.scale_num=1U; |
| 1134 | jpeg_info.scale_denom=(unsigned int) scale_factor; |
| 1135 | jpeg_calc_output_dimensions(&jpeg_info); |
| 1136 | if (image->debug != MagickFalse) |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 1137 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1138 | "Scale factor: %.20g",(double) scale_factor); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1139 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1140 | precision=(size_t) jpeg_info.data_precision; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1141 | #if (JPEG_LIB_VERSION >= 61) && defined(D_PROGRESSIVE_SUPPORTED) |
| 1142 | #if defined(D_LOSSLESS_SUPPORTED) |
| 1143 | image->interlace=jpeg_info.process == JPROC_PROGRESSIVE ? |
| 1144 | JPEGInterlace : NoInterlace; |
| 1145 | image->compression=jpeg_info.process == JPROC_LOSSLESS ? |
| 1146 | LosslessJPEGCompression : JPEGCompression; |
| 1147 | if (jpeg_info.data_precision > 8) |
| 1148 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1149 | "12-bit JPEG not supported. Reducing pixel data to 8 bits","`%s'", |
| 1150 | image->filename); |
| 1151 | if (jpeg_info.data_precision == 16) |
| 1152 | jpeg_info.data_precision=12; |
| 1153 | #else |
| 1154 | image->interlace=jpeg_info.progressive_mode != 0 ? JPEGInterlace : |
| 1155 | NoInterlace; |
| 1156 | image->compression=JPEGCompression; |
| 1157 | #endif |
| 1158 | #else |
| 1159 | image->compression=JPEGCompression; |
| 1160 | image->interlace=JPEGInterlace; |
| 1161 | #endif |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1162 | option=GetImageOption(image_info,"jpeg:colors"); |
anthony | 4190655 | 2011-10-07 12:15:27 +0000 | [diff] [blame] | 1163 | if (option != (const char *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1164 | { |
cristy | b4bb39c | 2012-02-21 18:45:54 +0000 | [diff] [blame] | 1165 | /* |
| 1166 | Let the JPEG library quantize the image. |
| 1167 | */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1168 | jpeg_info.quantize_colors=MagickTrue; |
anthony | 4190655 | 2011-10-07 12:15:27 +0000 | [diff] [blame] | 1169 | jpeg_info.desired_number_of_colors=(int) StringToUnsignedLong(option); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1170 | } |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1171 | option=GetImageOption(image_info,"jpeg:block-smoothing"); |
cristy | 0d73718 | 2013-04-04 00:22:57 +0000 | [diff] [blame] | 1172 | if (option != (const char *) NULL) |
| 1173 | jpeg_info.do_block_smoothing=IsStringTrue(option); |
cristy | b4bb39c | 2012-02-21 18:45:54 +0000 | [diff] [blame] | 1174 | jpeg_info.dct_method=JDCT_FLOAT; |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1175 | option=GetImageOption(image_info,"jpeg:dct-method"); |
cristy | 787d435 | 2010-03-06 13:55:58 +0000 | [diff] [blame] | 1176 | if (option != (const char *) NULL) |
| 1177 | switch (*option) |
| 1178 | { |
| 1179 | case 'D': |
| 1180 | case 'd': |
| 1181 | { |
| 1182 | if (LocaleCompare(option,"default") == 0) |
| 1183 | jpeg_info.dct_method=JDCT_DEFAULT; |
| 1184 | break; |
| 1185 | } |
| 1186 | case 'F': |
| 1187 | case 'f': |
| 1188 | { |
| 1189 | if (LocaleCompare(option,"fastest") == 0) |
| 1190 | jpeg_info.dct_method=JDCT_FASTEST; |
| 1191 | if (LocaleCompare(option,"float") == 0) |
| 1192 | jpeg_info.dct_method=JDCT_FLOAT; |
| 1193 | break; |
| 1194 | } |
| 1195 | case 'I': |
| 1196 | case 'i': |
| 1197 | { |
| 1198 | if (LocaleCompare(option,"ifast") == 0) |
| 1199 | jpeg_info.dct_method=JDCT_IFAST; |
| 1200 | if (LocaleCompare(option,"islow") == 0) |
| 1201 | jpeg_info.dct_method=JDCT_ISLOW; |
| 1202 | break; |
| 1203 | } |
| 1204 | } |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1205 | option=GetImageOption(image_info,"jpeg:fancy-upsampling"); |
cristy | 0d73718 | 2013-04-04 00:22:57 +0000 | [diff] [blame] | 1206 | if (option != (const char *) NULL) |
| 1207 | jpeg_info.do_fancy_upsampling=IsStringTrue(option); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1208 | (void) jpeg_start_decompress(&jpeg_info); |
| 1209 | image->columns=jpeg_info.output_width; |
| 1210 | image->rows=jpeg_info.output_height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1211 | image->depth=(size_t) jpeg_info.data_precision; |
cristy | 93ff2cc | 2012-05-13 21:03:53 +0000 | [diff] [blame] | 1212 | switch (jpeg_info.out_color_space) |
| 1213 | { |
| 1214 | case JCS_RGB: |
| 1215 | default: |
| 1216 | { |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 1217 | (void) SetImageColorspace(image,sRGBColorspace,exception); |
cristy | 93ff2cc | 2012-05-13 21:03:53 +0000 | [diff] [blame] | 1218 | break; |
| 1219 | } |
| 1220 | case JCS_GRAYSCALE: |
| 1221 | { |
cristy | 1a45be7 | 2013-04-07 00:16:24 +0000 | [diff] [blame] | 1222 | (void) SetImageColorspace(image,GRAYColorspace,exception); |
cristy | 93ff2cc | 2012-05-13 21:03:53 +0000 | [diff] [blame] | 1223 | break; |
| 1224 | } |
| 1225 | case JCS_YCbCr: |
| 1226 | { |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 1227 | (void) SetImageColorspace(image,YCbCrColorspace,exception); |
cristy | 93ff2cc | 2012-05-13 21:03:53 +0000 | [diff] [blame] | 1228 | break; |
| 1229 | } |
| 1230 | case JCS_CMYK: |
| 1231 | { |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 1232 | (void) SetImageColorspace(image,CMYKColorspace,exception); |
cristy | 93ff2cc | 2012-05-13 21:03:53 +0000 | [diff] [blame] | 1233 | break; |
| 1234 | } |
| 1235 | } |
cristy | 36fc550 | 2012-05-22 11:32:23 +0000 | [diff] [blame] | 1236 | if (IsITUFaxImage(image) != MagickFalse) |
| 1237 | { |
cristy | f551aee | 2012-09-27 21:45:23 +0000 | [diff] [blame] | 1238 | (void) SetImageColorspace(image,LabColorspace,exception); |
cristy | 36fc550 | 2012-05-22 11:32:23 +0000 | [diff] [blame] | 1239 | jpeg_info.out_color_space=JCS_YCbCr; |
| 1240 | } |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 1241 | option=GetImageOption(image_info,"jpeg:colors"); |
anthony | 4190655 | 2011-10-07 12:15:27 +0000 | [diff] [blame] | 1242 | if (option != (const char *) NULL) |
| 1243 | if (AcquireImageColormap(image,StringToUnsignedLong(option),exception) |
| 1244 | == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1245 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1246 | if ((jpeg_info.output_components == 1) && |
| 1247 | (jpeg_info.quantize_colors == MagickFalse)) |
| 1248 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1249 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1250 | colors; |
| 1251 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1252 | colors=(size_t) GetQuantumRange(image->depth)+1; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 1253 | if (AcquireImageColormap(image,colors,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1254 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1255 | } |
| 1256 | if (image->debug != MagickFalse) |
| 1257 | { |
| 1258 | if (image->interlace != NoInterlace) |
| 1259 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1260 | "Interlace: progressive"); |
| 1261 | else |
| 1262 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1263 | "Interlace: nonprogressive"); |
| 1264 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Data precision: %d", |
| 1265 | (int) jpeg_info.data_precision); |
| 1266 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Geometry: %dx%d", |
| 1267 | (int) jpeg_info.output_width,(int) jpeg_info.output_height); |
| 1268 | } |
dirk | 881355a | 2013-08-19 19:56:50 +0000 | [diff] [blame] | 1269 | JPEGSetImageQuality(&jpeg_info,image,exception); |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 1270 | JPEGSetImageSamplingFactor(&jpeg_info,image,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1271 | (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1272 | jpeg_info.out_color_space); |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 1273 | (void) SetImageProperty(image,"jpeg:colorspace",value,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1274 | if (image_info->ping != MagickFalse) |
| 1275 | { |
| 1276 | jpeg_destroy_decompress(&jpeg_info); |
| 1277 | (void) CloseBlob(image); |
| 1278 | return(GetFirstImageInList(image)); |
| 1279 | } |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 1280 | memory_info=AcquireVirtualMemory((size_t) image->columns, |
| 1281 | jpeg_info.output_components*sizeof(*jpeg_pixels)); |
| 1282 | if (memory_info == (MemoryInfo *) NULL) |
cristy | ee1bdaa | 2013-07-16 16:45:03 +0000 | [diff] [blame] | 1283 | { |
| 1284 | jpeg_destroy_decompress(&jpeg_info); |
| 1285 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1286 | } |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 1287 | jpeg_pixels=(JSAMPLE *) GetVirtualMemoryBlob(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1288 | /* |
| 1289 | Convert JPEG pixels to pixel packets. |
| 1290 | */ |
| 1291 | if (setjmp(error_manager.error_recovery) != 0) |
| 1292 | { |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 1293 | if (memory_info != (MemoryInfo *) NULL) |
| 1294 | memory_info=RelinquishVirtualMemory(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1295 | jpeg_destroy_decompress(&jpeg_info); |
| 1296 | (void) CloseBlob(image); |
| 1297 | number_pixels=(MagickSizeType) image->columns*image->rows; |
| 1298 | if (number_pixels != 0) |
| 1299 | return(GetFirstImageInList(image)); |
| 1300 | return(DestroyImage(image)); |
| 1301 | } |
| 1302 | if (jpeg_info.quantize_colors != MagickFalse) |
| 1303 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1304 | image->colors=(size_t) jpeg_info.actual_number_of_colors; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1305 | if (jpeg_info.out_color_space == JCS_GRAYSCALE) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1306 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1307 | { |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1308 | image->colormap[i].red=(double) ScaleCharToQuantum( |
| 1309 | jpeg_info.colormap[0][i]); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1310 | image->colormap[i].green=image->colormap[i].red; |
| 1311 | image->colormap[i].blue=image->colormap[i].red; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1312 | image->colormap[i].alpha=OpaqueAlpha; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1313 | } |
| 1314 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1315 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1316 | { |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1317 | image->colormap[i].red=(double) ScaleCharToQuantum( |
| 1318 | jpeg_info.colormap[0][i]); |
| 1319 | image->colormap[i].green=(double) ScaleCharToQuantum( |
| 1320 | jpeg_info.colormap[1][i]); |
| 1321 | image->colormap[i].blue=(double) ScaleCharToQuantum( |
| 1322 | jpeg_info.colormap[2][i]); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1323 | image->colormap[i].alpha=OpaqueAlpha; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1324 | } |
| 1325 | } |
| 1326 | scanline[0]=(JSAMPROW) jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1327 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1328 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1329 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1330 | x; |
| 1331 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1332 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1333 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1334 | |
| 1335 | if (jpeg_read_scanlines(&jpeg_info,scanline,1) != 1) |
| 1336 | { |
| 1337 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 1338 | CorruptImageWarning,"SkipToSyncByte","`%s'",image->filename); |
| 1339 | continue; |
| 1340 | } |
| 1341 | p=jpeg_pixels; |
| 1342 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 1343 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1344 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1345 | if (jpeg_info.data_precision > 8) |
| 1346 | { |
| 1347 | if (jpeg_info.output_components == 1) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1348 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1349 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1350 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1351 | pixel; |
| 1352 | |
| 1353 | if (precision != 16) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1354 | pixel=(size_t) GETJSAMPLE(*p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1355 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1356 | pixel=(size_t) ((GETJSAMPLE(*p) ^ 0x80) << 4); |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 1357 | index=ConstrainColormapIndex(image,pixel,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1358 | SetPixelIndex(image,index,q); |
cristy | 803640d | 2011-11-17 02:11:32 +0000 | [diff] [blame] | 1359 | SetPixelInfoPixel(image,image->colormap+(ssize_t) index,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1360 | p++; |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1361 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1362 | } |
| 1363 | else |
| 1364 | if (image->colorspace != CMYKColorspace) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1365 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1366 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1367 | SetPixelRed(image,ScaleShortToQuantum((unsigned char) |
| 1368 | (GETJSAMPLE(*p++) << 4)),q); |
| 1369 | SetPixelGreen(image,ScaleShortToQuantum((unsigned char) |
| 1370 | (GETJSAMPLE(*p++) << 4)),q); |
| 1371 | SetPixelBlue(image,ScaleShortToQuantum((unsigned char) |
| 1372 | (GETJSAMPLE(*p++) << 4)),q); |
| 1373 | SetPixelAlpha(image,OpaqueAlpha,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1374 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1375 | } |
| 1376 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1377 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1378 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1379 | SetPixelCyan(image,QuantumRange-ScaleShortToQuantum( |
| 1380 | (unsigned char) (GETJSAMPLE(*p++) << 4)),q); |
| 1381 | SetPixelMagenta(image,QuantumRange-ScaleShortToQuantum( |
| 1382 | (unsigned char) (GETJSAMPLE(*p++) << 4)),q); |
| 1383 | SetPixelYellow(image,QuantumRange-ScaleShortToQuantum( |
| 1384 | (unsigned char) (GETJSAMPLE(*p++) << 4)),q); |
| 1385 | SetPixelBlack(image,QuantumRange-ScaleShortToQuantum( |
| 1386 | (unsigned char) (GETJSAMPLE(*p++) << 4)),q); |
| 1387 | SetPixelAlpha(image,OpaqueAlpha,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1388 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1389 | } |
| 1390 | } |
| 1391 | else |
| 1392 | if (jpeg_info.output_components == 1) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1393 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1394 | { |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 1395 | index=ConstrainColormapIndex(image,(size_t) GETJSAMPLE(*p),exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1396 | SetPixelIndex(image,index,q); |
cristy | 803640d | 2011-11-17 02:11:32 +0000 | [diff] [blame] | 1397 | SetPixelInfoPixel(image,image->colormap+(ssize_t) index,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1398 | p++; |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1399 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1400 | } |
| 1401 | else |
| 1402 | if (image->colorspace != CMYKColorspace) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1403 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1404 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1405 | SetPixelRed(image,ScaleCharToQuantum((unsigned char) |
| 1406 | GETJSAMPLE(*p++)),q); |
| 1407 | SetPixelGreen(image,ScaleCharToQuantum((unsigned char) |
| 1408 | GETJSAMPLE(*p++)),q); |
| 1409 | SetPixelBlue(image,ScaleCharToQuantum((unsigned char) |
| 1410 | GETJSAMPLE(*p++)),q); |
| 1411 | SetPixelAlpha(image,OpaqueAlpha,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1412 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1413 | } |
| 1414 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1415 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1416 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1417 | SetPixelCyan(image,QuantumRange-ScaleCharToQuantum( |
| 1418 | (unsigned char) GETJSAMPLE(*p++)),q); |
| 1419 | SetPixelMagenta(image,QuantumRange-ScaleCharToQuantum( |
| 1420 | (unsigned char) GETJSAMPLE(*p++)),q); |
| 1421 | SetPixelYellow(image,QuantumRange-ScaleCharToQuantum( |
| 1422 | (unsigned char) GETJSAMPLE(*p++)),q); |
| 1423 | SetPixelBlack(image,QuantumRange-ScaleCharToQuantum( |
| 1424 | (unsigned char) GETJSAMPLE(*p++)),q); |
| 1425 | SetPixelAlpha(image,OpaqueAlpha,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1426 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1427 | } |
| 1428 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 1429 | break; |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 1430 | status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, |
| 1431 | image->rows); |
| 1432 | if (status == MagickFalse) |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 1433 | { |
| 1434 | jpeg_abort_decompress(&jpeg_info); |
| 1435 | break; |
| 1436 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1437 | } |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 1438 | if (status != MagickFalse) |
| 1439 | { |
| 1440 | error_manager.finished=MagickTrue; |
| 1441 | if (setjmp(error_manager.error_recovery) == 0) |
| 1442 | (void) jpeg_finish_decompress(&jpeg_info); |
| 1443 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1444 | /* |
| 1445 | Free jpeg resources. |
| 1446 | */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1447 | jpeg_destroy_decompress(&jpeg_info); |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 1448 | memory_info=RelinquishVirtualMemory(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1449 | (void) CloseBlob(image); |
| 1450 | return(GetFirstImageInList(image)); |
| 1451 | } |
| 1452 | #endif |
| 1453 | |
| 1454 | /* |
| 1455 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1456 | % % |
| 1457 | % % |
| 1458 | % % |
| 1459 | % R e g i s t e r J P E G I m a g e % |
| 1460 | % % |
| 1461 | % % |
| 1462 | % % |
| 1463 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1464 | % |
| 1465 | % RegisterJPEGImage() adds properties for the JPEG image format to |
| 1466 | % the list of supported formats. The properties include the image format |
| 1467 | % tag, a method to read and/or write the format, whether the format |
| 1468 | % supports the saving of more than one frame to the same file or blob, |
| 1469 | % whether the format supports native in-memory I/O, and a brief |
| 1470 | % description of the format. |
| 1471 | % |
| 1472 | % The format of the RegisterJPEGImage method is: |
| 1473 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1474 | % size_t RegisterJPEGImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1475 | % |
| 1476 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1477 | ModuleExport size_t RegisterJPEGImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1478 | { |
| 1479 | char |
| 1480 | version[MaxTextExtent]; |
| 1481 | |
| 1482 | MagickInfo |
| 1483 | *entry; |
| 1484 | |
| 1485 | static const char |
cristy | 7138c59 | 2009-09-08 13:58:52 +0000 | [diff] [blame] | 1486 | description[] = "Joint Photographic Experts Group JFIF format"; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1487 | |
| 1488 | *version='\0'; |
| 1489 | #if defined(JPEG_LIB_VERSION) |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1490 | (void) FormatLocaleString(version,MaxTextExtent,"%d",JPEG_LIB_VERSION); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1491 | #endif |
| 1492 | entry=SetMagickInfo("JPEG"); |
| 1493 | entry->thread_support=NoThreadSupport; |
| 1494 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 1495 | entry->decoder=(DecodeImageHandler *) ReadJPEGImage; |
| 1496 | entry->encoder=(EncodeImageHandler *) WriteJPEGImage; |
| 1497 | #endif |
| 1498 | entry->magick=(IsImageFormatHandler *) IsJPEG; |
| 1499 | entry->adjoin=MagickFalse; |
| 1500 | entry->description=ConstantString(description); |
| 1501 | if (*version != '\0') |
| 1502 | entry->version=ConstantString(version); |
cristy | 4a6ab48 | 2013-08-09 01:29:35 +0000 | [diff] [blame] | 1503 | entry->mime_type=ConstantString("image/jpeg"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1504 | entry->module=ConstantString("JPEG"); |
| 1505 | (void) RegisterMagickInfo(entry); |
| 1506 | entry=SetMagickInfo("JPG"); |
| 1507 | entry->thread_support=NoThreadSupport; |
| 1508 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 1509 | entry->decoder=(DecodeImageHandler *) ReadJPEGImage; |
| 1510 | entry->encoder=(EncodeImageHandler *) WriteJPEGImage; |
| 1511 | #endif |
| 1512 | entry->adjoin=MagickFalse; |
| 1513 | entry->description=ConstantString(description); |
| 1514 | if (*version != '\0') |
| 1515 | entry->version=ConstantString(version); |
cristy | 4a6ab48 | 2013-08-09 01:29:35 +0000 | [diff] [blame] | 1516 | entry->mime_type=ConstantString("image/jpeg"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1517 | entry->module=ConstantString("JPEG"); |
| 1518 | (void) RegisterMagickInfo(entry); |
| 1519 | entry=SetMagickInfo("PJPEG"); |
| 1520 | entry->thread_support=NoThreadSupport; |
| 1521 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 1522 | entry->decoder=(DecodeImageHandler *) ReadJPEGImage; |
| 1523 | entry->encoder=(EncodeImageHandler *) WriteJPEGImage; |
| 1524 | #endif |
| 1525 | entry->adjoin=MagickFalse; |
| 1526 | entry->description=ConstantString(description); |
| 1527 | if (*version != '\0') |
| 1528 | entry->version=ConstantString(version); |
cristy | 4a6ab48 | 2013-08-09 01:29:35 +0000 | [diff] [blame] | 1529 | entry->mime_type=ConstantString("image/jpeg"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1530 | entry->module=ConstantString("JPEG"); |
| 1531 | (void) RegisterMagickInfo(entry); |
| 1532 | return(MagickImageCoderSignature); |
| 1533 | } |
| 1534 | |
| 1535 | /* |
| 1536 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1537 | % % |
| 1538 | % % |
| 1539 | % % |
| 1540 | % U n r e g i s t e r J P E G I m a g e % |
| 1541 | % % |
| 1542 | % % |
| 1543 | % % |
| 1544 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1545 | % |
| 1546 | % UnregisterJPEGImage() removes format registrations made by the |
| 1547 | % JPEG module from the list of supported formats. |
| 1548 | % |
| 1549 | % The format of the UnregisterJPEGImage method is: |
| 1550 | % |
| 1551 | % UnregisterJPEGImage(void) |
| 1552 | % |
| 1553 | */ |
| 1554 | ModuleExport void UnregisterJPEGImage(void) |
| 1555 | { |
| 1556 | (void) UnregisterMagickInfo("PJPG"); |
| 1557 | (void) UnregisterMagickInfo("JPEG"); |
| 1558 | (void) UnregisterMagickInfo("JPG"); |
| 1559 | } |
| 1560 | |
| 1561 | #if defined(MAGICKCORE_JPEG_DELEGATE) |
| 1562 | /* |
| 1563 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1564 | % % |
| 1565 | % % |
| 1566 | % % |
| 1567 | % W r i t e J P E G I m a g e % |
| 1568 | % % |
| 1569 | % % |
| 1570 | % % |
| 1571 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1572 | % |
| 1573 | % WriteJPEGImage() writes a JPEG image file and returns it. It |
| 1574 | % allocates the memory necessary for the new Image structure and returns a |
| 1575 | % pointer to the new image. |
| 1576 | % |
| 1577 | % The format of the WriteJPEGImage method is: |
| 1578 | % |
cristy | 9104497 | 2011-04-22 14:21:16 +0000 | [diff] [blame] | 1579 | % MagickBooleanType WriteJPEGImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1580 | % Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1581 | % |
| 1582 | % A description of each parameter follows: |
| 1583 | % |
| 1584 | % o image_info: the image info. |
| 1585 | % |
| 1586 | % o jpeg_image: The image. |
| 1587 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1588 | % o exception: return any errors or warnings in this structure. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1589 | % |
| 1590 | */ |
| 1591 | |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1592 | static QuantizationTable *DestroyQuantizationTable(QuantizationTable *table) |
| 1593 | { |
| 1594 | assert(table != (QuantizationTable *) NULL); |
| 1595 | if (table->slot != (char *) NULL) |
| 1596 | table->slot=DestroyString(table->slot); |
| 1597 | if (table->description != (char *) NULL) |
| 1598 | table->description=DestroyString(table->description); |
| 1599 | if (table->levels != (unsigned int *) NULL) |
| 1600 | table->levels=(unsigned int *) RelinquishMagickMemory(table->levels); |
| 1601 | table=(QuantizationTable *) RelinquishMagickMemory(table); |
| 1602 | return(table); |
| 1603 | } |
| 1604 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1605 | static boolean EmptyOutputBuffer(j_compress_ptr cinfo) |
| 1606 | { |
| 1607 | DestinationManager |
| 1608 | *destination; |
| 1609 | |
| 1610 | destination=(DestinationManager *) cinfo->dest; |
| 1611 | destination->manager.free_in_buffer=(size_t) WriteBlob(destination->image, |
| 1612 | MaxBufferExtent,destination->buffer); |
| 1613 | if (destination->manager.free_in_buffer != MaxBufferExtent) |
| 1614 | ERREXIT(cinfo,JERR_FILE_WRITE); |
| 1615 | destination->manager.next_output_byte=destination->buffer; |
| 1616 | return(TRUE); |
| 1617 | } |
| 1618 | |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1619 | static QuantizationTable *GetQuantizationTable(const char *filename, |
| 1620 | const char *slot,ExceptionInfo *exception) |
| 1621 | { |
| 1622 | char |
| 1623 | *p, |
| 1624 | *xml; |
| 1625 | |
| 1626 | const char |
| 1627 | *attribute, |
| 1628 | *content; |
| 1629 | |
| 1630 | double |
| 1631 | value; |
| 1632 | |
| 1633 | register ssize_t |
| 1634 | i; |
| 1635 | |
| 1636 | ssize_t |
| 1637 | j; |
| 1638 | |
| 1639 | QuantizationTable |
| 1640 | *table; |
| 1641 | |
cristy | 1fcc8b6 | 2012-03-02 17:25:55 +0000 | [diff] [blame] | 1642 | size_t |
| 1643 | length; |
| 1644 | |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1645 | XMLTreeInfo |
| 1646 | *description, |
| 1647 | *levels, |
| 1648 | *quantization_tables, |
| 1649 | *table_iterator; |
| 1650 | |
| 1651 | (void) LogMagickEvent(ConfigureEvent,GetMagickModule(), |
| 1652 | "Loading quantization tables \"%s\" ...",filename); |
| 1653 | table=(QuantizationTable *) NULL; |
| 1654 | xml=FileToString(filename,~0,exception); |
| 1655 | if (xml == (char *) NULL) |
| 1656 | return(table); |
| 1657 | quantization_tables=NewXMLTree(xml,exception); |
| 1658 | if (quantization_tables == (XMLTreeInfo *) NULL) |
| 1659 | { |
| 1660 | xml=DestroyString(xml); |
| 1661 | return(table); |
| 1662 | } |
| 1663 | for (table_iterator=GetXMLTreeChild(quantization_tables,"table"); |
| 1664 | table_iterator != (XMLTreeInfo *) NULL; |
| 1665 | table_iterator=GetNextXMLTreeTag(table_iterator)) |
| 1666 | { |
| 1667 | attribute=GetXMLTreeAttribute(table_iterator,"slot"); |
| 1668 | if ((attribute != (char *) NULL) && (LocaleCompare(slot,attribute) == 0)) |
| 1669 | break; |
| 1670 | attribute=GetXMLTreeAttribute(table_iterator,"alias"); |
| 1671 | if ((attribute != (char *) NULL) && (LocaleCompare(slot,attribute) == 0)) |
| 1672 | break; |
| 1673 | } |
| 1674 | if (table_iterator == (XMLTreeInfo *) NULL) |
| 1675 | { |
| 1676 | xml=DestroyString(xml); |
| 1677 | return(table); |
| 1678 | } |
| 1679 | description=GetXMLTreeChild(table_iterator,"description"); |
| 1680 | if (description == (XMLTreeInfo *) NULL) |
| 1681 | { |
| 1682 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1683 | "XmlMissingElement", "<description>, slot \"%s\"",slot); |
| 1684 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1685 | xml=DestroyString(xml); |
| 1686 | return(table); |
| 1687 | } |
| 1688 | levels=GetXMLTreeChild(table_iterator,"levels"); |
| 1689 | if (levels == (XMLTreeInfo *) NULL) |
| 1690 | { |
| 1691 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1692 | "XmlMissingElement", "<levels>, slot \"%s\"", slot); |
| 1693 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1694 | xml=DestroyString(xml); |
| 1695 | return(table); |
| 1696 | } |
| 1697 | table=(QuantizationTable *) AcquireMagickMemory(sizeof(*table)); |
| 1698 | if (table == (QuantizationTable *) NULL) |
| 1699 | ThrowFatalException(ResourceLimitFatalError, |
| 1700 | "UnableToAcquireQuantizationTable"); |
| 1701 | table->slot=(char *) NULL; |
| 1702 | table->description=(char *) NULL; |
| 1703 | table->levels=(unsigned int *) NULL; |
| 1704 | attribute=GetXMLTreeAttribute(table_iterator,"slot"); |
| 1705 | if (attribute != (char *) NULL) |
| 1706 | table->slot=ConstantString(attribute); |
| 1707 | content=GetXMLTreeContent(description); |
| 1708 | if (content != (char *) NULL) |
| 1709 | table->description=ConstantString(content); |
| 1710 | attribute=GetXMLTreeAttribute(levels,"width"); |
| 1711 | if (attribute == (char *) NULL) |
| 1712 | { |
| 1713 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1714 | "XmlMissingAttribute", "<levels width>, slot \"%s\"",slot); |
| 1715 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1716 | table=DestroyQuantizationTable(table); |
| 1717 | xml=DestroyString(xml); |
| 1718 | return(table); |
| 1719 | } |
| 1720 | table->width=StringToUnsignedLong(attribute); |
| 1721 | if (table->width == 0) |
| 1722 | { |
| 1723 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1724 | "XmlInvalidAttribute", "<levels width>, table \"%s\"",slot); |
| 1725 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1726 | table=DestroyQuantizationTable(table); |
| 1727 | xml=DestroyString(xml); |
| 1728 | return(table); |
| 1729 | } |
| 1730 | attribute=GetXMLTreeAttribute(levels,"height"); |
| 1731 | if (attribute == (char *) NULL) |
| 1732 | { |
| 1733 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1734 | "XmlMissingAttribute", "<levels height>, table \"%s\"",slot); |
| 1735 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1736 | table=DestroyQuantizationTable(table); |
| 1737 | xml=DestroyString(xml); |
| 1738 | return(table); |
| 1739 | } |
| 1740 | table->height=StringToUnsignedLong(attribute); |
| 1741 | if (table->height == 0) |
| 1742 | { |
| 1743 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1744 | "XmlInvalidAttribute", "<levels height>, table \"%s\"",slot); |
| 1745 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1746 | table=DestroyQuantizationTable(table); |
| 1747 | xml=DestroyString(xml); |
| 1748 | return(table); |
| 1749 | } |
| 1750 | attribute=GetXMLTreeAttribute(levels,"divisor"); |
| 1751 | if (attribute == (char *) NULL) |
| 1752 | { |
| 1753 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1754 | "XmlMissingAttribute", "<levels divisor>, table \"%s\"",slot); |
| 1755 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1756 | table=DestroyQuantizationTable(table); |
| 1757 | xml=DestroyString(xml); |
| 1758 | return(table); |
| 1759 | } |
cristy | 043f3f3 | 2012-03-02 17:37:28 +0000 | [diff] [blame] | 1760 | table->divisor=InterpretLocaleValue(attribute,(char **) NULL); |
| 1761 | if (table->divisor == 0.0) |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1762 | { |
| 1763 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1764 | "XmlInvalidAttribute", "<levels divisor>, table \"%s\"",slot); |
| 1765 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1766 | table=DestroyQuantizationTable(table); |
| 1767 | xml=DestroyString(xml); |
| 1768 | return(table); |
| 1769 | } |
| 1770 | content=GetXMLTreeContent(levels); |
| 1771 | if (content == (char *) NULL) |
| 1772 | { |
| 1773 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1774 | "XmlMissingContent", "<levels>, table \"%s\"",slot); |
| 1775 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1776 | table=DestroyQuantizationTable(table); |
| 1777 | xml=DestroyString(xml); |
| 1778 | return(table); |
| 1779 | } |
cristy | 1fcc8b6 | 2012-03-02 17:25:55 +0000 | [diff] [blame] | 1780 | length=(size_t) table->width*table->height; |
| 1781 | if (length < 64) |
| 1782 | length=64; |
cristy | 092006b | 2012-03-02 17:26:02 +0000 | [diff] [blame] | 1783 | table->levels=(unsigned int *) AcquireQuantumMemory(length, |
cristy | 1fcc8b6 | 2012-03-02 17:25:55 +0000 | [diff] [blame] | 1784 | sizeof(*table->levels)); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1785 | if (table->levels == (unsigned int *) NULL) |
| 1786 | ThrowFatalException(ResourceLimitFatalError, |
| 1787 | "UnableToAcquireQuantizationTable"); |
| 1788 | for (i=0; i < (ssize_t) (table->width*table->height); i++) |
| 1789 | { |
cristy | 043f3f3 | 2012-03-02 17:37:28 +0000 | [diff] [blame] | 1790 | table->levels[i]=(unsigned int) (InterpretLocaleValue(content,&p)/ |
| 1791 | table->divisor+0.5); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1792 | while (isspace((int) ((unsigned char) *p)) != 0) |
| 1793 | p++; |
| 1794 | if (*p == ',') |
| 1795 | p++; |
| 1796 | content=p; |
| 1797 | } |
cristy | 043f3f3 | 2012-03-02 17:37:28 +0000 | [diff] [blame] | 1798 | value=InterpretLocaleValue(content,&p); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1799 | (void) value; |
| 1800 | if (p != content) |
| 1801 | { |
| 1802 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1803 | "XmlInvalidContent", "<level> too many values, table \"%s\"",slot); |
| 1804 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1805 | table=DestroyQuantizationTable(table); |
| 1806 | xml=DestroyString(xml); |
| 1807 | return(table); |
| 1808 | } |
cristy | 043f3f3 | 2012-03-02 17:37:28 +0000 | [diff] [blame] | 1809 | for (j=i; j < 64; j++) |
| 1810 | table->levels[j]=table->levels[j-1]; |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 1811 | quantization_tables=DestroyXMLTree(quantization_tables); |
| 1812 | xml=DestroyString(xml); |
| 1813 | return(table); |
| 1814 | } |
| 1815 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1816 | static void InitializeDestination(j_compress_ptr cinfo) |
| 1817 | { |
| 1818 | DestinationManager |
| 1819 | *destination; |
| 1820 | |
| 1821 | destination=(DestinationManager *) cinfo->dest; |
| 1822 | destination->buffer=(JOCTET *) (*cinfo->mem->alloc_small) |
| 1823 | ((j_common_ptr) cinfo,JPOOL_IMAGE,MaxBufferExtent*sizeof(JOCTET)); |
| 1824 | destination->manager.next_output_byte=destination->buffer; |
| 1825 | destination->manager.free_in_buffer=MaxBufferExtent; |
| 1826 | } |
| 1827 | |
| 1828 | static inline size_t MagickMin(const size_t x,const size_t y) |
| 1829 | { |
| 1830 | if (x < y) |
| 1831 | return(x); |
| 1832 | return(y); |
| 1833 | } |
| 1834 | |
| 1835 | static void TerminateDestination(j_compress_ptr cinfo) |
| 1836 | { |
| 1837 | DestinationManager |
| 1838 | *destination; |
| 1839 | |
| 1840 | destination=(DestinationManager *) cinfo->dest; |
| 1841 | if ((MaxBufferExtent-(int) destination->manager.free_in_buffer) > 0) |
| 1842 | { |
| 1843 | ssize_t |
| 1844 | count; |
| 1845 | |
| 1846 | count=WriteBlob(destination->image,MaxBufferExtent- |
| 1847 | destination->manager.free_in_buffer,destination->buffer); |
| 1848 | if (count != (ssize_t) |
| 1849 | (MaxBufferExtent-destination->manager.free_in_buffer)) |
| 1850 | ERREXIT(cinfo,JERR_FILE_WRITE); |
| 1851 | } |
| 1852 | } |
| 1853 | |
| 1854 | static void WriteProfile(j_compress_ptr jpeg_info,Image *image) |
| 1855 | { |
| 1856 | const char |
| 1857 | *name; |
| 1858 | |
| 1859 | const StringInfo |
| 1860 | *profile; |
| 1861 | |
| 1862 | MagickBooleanType |
| 1863 | iptc; |
| 1864 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1865 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1866 | i; |
| 1867 | |
| 1868 | size_t |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 1869 | length, |
| 1870 | tag_length; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1871 | |
| 1872 | StringInfo |
| 1873 | *custom_profile; |
| 1874 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1875 | /* |
| 1876 | Save image profile as a APP marker. |
| 1877 | */ |
| 1878 | iptc=MagickFalse; |
| 1879 | custom_profile=AcquireStringInfo(65535L); |
| 1880 | ResetImageProfileIterator(image); |
| 1881 | for (name=GetNextImageProfile(image); name != (const char *) NULL; ) |
| 1882 | { |
cristy | 109e557 | 2010-09-16 18:38:17 +0000 | [diff] [blame] | 1883 | register unsigned char |
| 1884 | *p; |
| 1885 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1886 | profile=GetImageProfile(image,name); |
cristy | 109e557 | 2010-09-16 18:38:17 +0000 | [diff] [blame] | 1887 | p=GetStringInfoDatum(custom_profile); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1888 | if (LocaleCompare(name,"EXIF") == 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1889 | for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=65533L) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1890 | { |
| 1891 | length=MagickMin(GetStringInfoLength(profile)-i,65533L); |
| 1892 | jpeg_write_marker(jpeg_info,XML_MARKER,GetStringInfoDatum(profile)+i, |
| 1893 | (unsigned int) length); |
| 1894 | } |
| 1895 | if (LocaleCompare(name,"ICC") == 0) |
| 1896 | { |
| 1897 | register unsigned char |
| 1898 | *p; |
| 1899 | |
cristy | 8ba82ae | 2013-05-29 14:19:49 +0000 | [diff] [blame] | 1900 | tag_length=strlen(ICC_PROFILE); |
cristy | 35ce5c3 | 2010-09-16 23:16:02 +0000 | [diff] [blame] | 1901 | p=GetStringInfoDatum(custom_profile); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1902 | (void) CopyMagickMemory(p,ICC_PROFILE,tag_length); |
cristy | c3696d4 | 2013-07-16 20:18:37 +0000 | [diff] [blame] | 1903 | p[tag_length]='\0'; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1904 | for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=65519L) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1905 | { |
| 1906 | length=MagickMin(GetStringInfoLength(profile)-i,65519L); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1907 | p[12]=(unsigned char) ((i/65519L)+1); |
| 1908 | p[13]=(unsigned char) (GetStringInfoLength(profile)/65519L+1); |
cristy | c1381ed | 2013-06-28 18:10:23 +0000 | [diff] [blame] | 1909 | (void) CopyMagickMemory(p+tag_length+3,GetStringInfoDatum(profile)+i, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1910 | length); |
| 1911 | jpeg_write_marker(jpeg_info,ICC_MARKER,GetStringInfoDatum( |
cristy | c1381ed | 2013-06-28 18:10:23 +0000 | [diff] [blame] | 1912 | custom_profile),(unsigned int) (length+tag_length+3)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1913 | } |
| 1914 | } |
| 1915 | if (((LocaleCompare(name,"IPTC") == 0) || |
| 1916 | (LocaleCompare(name,"8BIM") == 0)) && (iptc == MagickFalse)) |
| 1917 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1918 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1919 | roundup; |
| 1920 | |
| 1921 | iptc=MagickTrue; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1922 | for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=65500L) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1923 | { |
| 1924 | length=MagickMin(GetStringInfoLength(profile)-i,65500L); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1925 | roundup=(size_t) (length & 0x01); |
cristy | 109e557 | 2010-09-16 18:38:17 +0000 | [diff] [blame] | 1926 | if (LocaleNCompare((char *) GetStringInfoDatum(profile),"8BIM",4) == 0) |
| 1927 | { |
| 1928 | (void) memcpy(p,"Photoshop 3.0 ",14); |
| 1929 | tag_length=14; |
| 1930 | } |
| 1931 | else |
| 1932 | { |
| 1933 | (void) CopyMagickMemory(p,"Photoshop 3.0 8BIM\04\04\0\0\0\0",24); |
| 1934 | tag_length=26; |
| 1935 | p[24]=(unsigned char) (length >> 8); |
| 1936 | p[25]=(unsigned char) (length & 0xff); |
| 1937 | } |
| 1938 | p[13]=0x00; |
| 1939 | (void) memcpy(p+tag_length,GetStringInfoDatum(profile)+i,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1940 | if (roundup != 0) |
| 1941 | p[length+tag_length]='\0'; |
| 1942 | jpeg_write_marker(jpeg_info,IPTC_MARKER,GetStringInfoDatum( |
| 1943 | custom_profile),(unsigned int) (length+tag_length+roundup)); |
| 1944 | } |
| 1945 | } |
| 1946 | if (LocaleCompare(name,"XMP") == 0) |
| 1947 | { |
| 1948 | StringInfo |
| 1949 | *xmp_profile; |
| 1950 | |
| 1951 | /* |
| 1952 | Add namespace to XMP profile. |
| 1953 | */ |
cristy | 0615f0e | 2011-10-12 11:36:46 +0000 | [diff] [blame] | 1954 | xmp_profile=StringToStringInfo("http://ns.adobe.com/xap/1.0/ "); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1955 | ConcatenateStringInfo(xmp_profile,profile); |
| 1956 | GetStringInfoDatum(xmp_profile)[28]='\0'; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1957 | for (i=0; i < (ssize_t) GetStringInfoLength(xmp_profile); i+=65533L) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1958 | { |
| 1959 | length=MagickMin(GetStringInfoLength(xmp_profile)-i,65533L); |
| 1960 | jpeg_write_marker(jpeg_info,XML_MARKER, |
| 1961 | GetStringInfoDatum(xmp_profile)+i,(unsigned int) length); |
| 1962 | } |
| 1963 | xmp_profile=DestroyStringInfo(xmp_profile); |
| 1964 | } |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 1965 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1966 | "%s profile: %.20g bytes",name,(double) GetStringInfoLength(profile)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1967 | name=GetNextImageProfile(image); |
| 1968 | } |
| 1969 | custom_profile=DestroyStringInfo(custom_profile); |
| 1970 | } |
| 1971 | |
| 1972 | static void JPEGDestinationManager(j_compress_ptr cinfo,Image * image) |
| 1973 | { |
| 1974 | DestinationManager |
| 1975 | *destination; |
| 1976 | |
| 1977 | cinfo->dest=(struct jpeg_destination_mgr *) (*cinfo->mem->alloc_small) |
| 1978 | ((j_common_ptr) cinfo,JPOOL_IMAGE,sizeof(DestinationManager)); |
| 1979 | destination=(DestinationManager *) cinfo->dest; |
| 1980 | destination->manager.init_destination=InitializeDestination; |
| 1981 | destination->manager.empty_output_buffer=EmptyOutputBuffer; |
| 1982 | destination->manager.term_destination=TerminateDestination; |
| 1983 | destination->image=image; |
| 1984 | } |
| 1985 | |
| 1986 | static char **SamplingFactorToList(const char *text) |
| 1987 | { |
| 1988 | char |
| 1989 | **textlist; |
| 1990 | |
| 1991 | register char |
| 1992 | *q; |
| 1993 | |
| 1994 | register const char |
| 1995 | *p; |
| 1996 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1997 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1998 | i; |
| 1999 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2000 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2001 | lines; |
| 2002 | |
| 2003 | if (text == (char *) NULL) |
| 2004 | return((char **) NULL); |
| 2005 | /* |
| 2006 | Convert string to an ASCII list. |
| 2007 | */ |
| 2008 | lines=1; |
| 2009 | for (p=text; *p != '\0'; p++) |
| 2010 | if (*p == ',') |
| 2011 | lines++; |
| 2012 | textlist=(char **) AcquireQuantumMemory((size_t) lines+MaxTextExtent, |
| 2013 | sizeof(*textlist)); |
| 2014 | if (textlist == (char **) NULL) |
| 2015 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
| 2016 | p=text; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2017 | for (i=0; i < (ssize_t) lines; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2018 | { |
| 2019 | for (q=(char *) p; *q != '\0'; q++) |
| 2020 | if (*q == ',') |
| 2021 | break; |
| 2022 | textlist[i]=(char *) AcquireQuantumMemory((size_t) (q-p)+MaxTextExtent, |
| 2023 | sizeof(*textlist[i])); |
| 2024 | if (textlist[i] == (char *) NULL) |
| 2025 | ThrowFatalException(ResourceLimitFatalError,"UnableToConvertText"); |
| 2026 | (void) CopyMagickString(textlist[i],p,(size_t) (q-p+1)); |
| 2027 | if (*q == '\r') |
| 2028 | q++; |
| 2029 | p=q+1; |
| 2030 | } |
| 2031 | textlist[i]=(char *) NULL; |
| 2032 | return(textlist); |
| 2033 | } |
| 2034 | |
| 2035 | static MagickBooleanType WriteJPEGImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2036 | Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2037 | { |
| 2038 | const char |
| 2039 | *option, |
| 2040 | *sampling_factor, |
| 2041 | *value; |
| 2042 | |
| 2043 | ErrorManager |
| 2044 | error_manager; |
| 2045 | |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2046 | int |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2047 | colorspace, |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2048 | quality; |
| 2049 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2050 | JSAMPLE |
cristy | 75fc68f | 2012-10-08 16:26:00 +0000 | [diff] [blame] | 2051 | *volatile jpeg_pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2052 | |
| 2053 | JSAMPROW |
| 2054 | scanline[1]; |
| 2055 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2056 | MagickBooleanType |
| 2057 | status; |
| 2058 | |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2059 | MemoryInfo |
| 2060 | *memory_info; |
| 2061 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2062 | register JSAMPLE |
| 2063 | *q; |
| 2064 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2065 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2066 | i; |
| 2067 | |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2068 | ssize_t |
| 2069 | y; |
| 2070 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2071 | struct jpeg_compress_struct |
| 2072 | jpeg_info; |
| 2073 | |
| 2074 | struct jpeg_error_mgr |
| 2075 | jpeg_error; |
| 2076 | |
| 2077 | /* |
| 2078 | Open image file. |
| 2079 | */ |
| 2080 | assert(image_info != (const ImageInfo *) NULL); |
| 2081 | assert(image_info->signature == MagickSignature); |
| 2082 | assert(image != (Image *) NULL); |
| 2083 | assert(image->signature == MagickSignature); |
| 2084 | if (image->debug != MagickFalse) |
| 2085 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
cristy | 3a37efd | 2011-08-28 20:31:03 +0000 | [diff] [blame] | 2086 | assert(exception != (ExceptionInfo *) NULL); |
| 2087 | assert(exception->signature == MagickSignature); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2088 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2089 | if (status == MagickFalse) |
| 2090 | return(status); |
| 2091 | /* |
| 2092 | Initialize JPEG parameters. |
| 2093 | */ |
cristy | 9104497 | 2011-04-22 14:21:16 +0000 | [diff] [blame] | 2094 | (void) ResetMagickMemory(&error_manager,0,sizeof(error_manager)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2095 | (void) ResetMagickMemory(&jpeg_info,0,sizeof(jpeg_info)); |
| 2096 | (void) ResetMagickMemory(&jpeg_error,0,sizeof(jpeg_error)); |
| 2097 | jpeg_info.client_data=(void *) image; |
| 2098 | jpeg_info.err=jpeg_std_error(&jpeg_error); |
cristy | d28b1dd | 2011-05-14 20:30:38 +0000 | [diff] [blame] | 2099 | jpeg_info.err->emit_message=(void (*)(j_common_ptr,int)) JPEGWarningHandler; |
cristy | 9104497 | 2011-04-22 14:21:16 +0000 | [diff] [blame] | 2100 | jpeg_info.err->error_exit=(void (*)(j_common_ptr)) JPEGErrorHandler; |
cristy | 018f07f | 2011-09-04 21:15:19 +0000 | [diff] [blame] | 2101 | error_manager.exception=exception; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2102 | error_manager.image=image; |
cristy | 72f87f8 | 2013-06-23 16:43:05 +0000 | [diff] [blame] | 2103 | memory_info=(MemoryInfo *) NULL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2104 | if (setjmp(error_manager.error_recovery) != 0) |
| 2105 | { |
| 2106 | jpeg_destroy_compress(&jpeg_info); |
| 2107 | (void) CloseBlob(image); |
| 2108 | return(MagickFalse); |
| 2109 | } |
| 2110 | jpeg_info.client_data=(void *) &error_manager; |
| 2111 | jpeg_create_compress(&jpeg_info); |
| 2112 | JPEGDestinationManager(&jpeg_info,image); |
| 2113 | if ((image->columns != (unsigned int) image->columns) || |
| 2114 | (image->rows != (unsigned int) image->rows)) |
| 2115 | ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); |
| 2116 | jpeg_info.image_width=(unsigned int) image->columns; |
| 2117 | jpeg_info.image_height=(unsigned int) image->rows; |
| 2118 | jpeg_info.input_components=3; |
| 2119 | jpeg_info.data_precision=8; |
| 2120 | jpeg_info.in_color_space=JCS_RGB; |
| 2121 | switch (image->colorspace) |
| 2122 | { |
| 2123 | case CMYKColorspace: |
| 2124 | { |
| 2125 | jpeg_info.input_components=4; |
| 2126 | jpeg_info.in_color_space=JCS_CMYK; |
| 2127 | break; |
| 2128 | } |
| 2129 | case YCbCrColorspace: |
| 2130 | case Rec601YCbCrColorspace: |
| 2131 | case Rec709YCbCrColorspace: |
| 2132 | { |
| 2133 | jpeg_info.in_color_space=JCS_YCbCr; |
| 2134 | break; |
| 2135 | } |
| 2136 | case GRAYColorspace: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2137 | { |
| 2138 | jpeg_info.input_components=1; |
| 2139 | jpeg_info.in_color_space=JCS_GRAYSCALE; |
| 2140 | break; |
| 2141 | } |
| 2142 | default: |
cristy | 9f39678 | 2009-12-21 01:37:45 +0000 | [diff] [blame] | 2143 | { |
cristy | 3d9f5ba | 2012-06-26 13:37:31 +0000 | [diff] [blame] | 2144 | if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) |
cristy | 8d95109 | 2012-02-08 18:54:56 +0000 | [diff] [blame] | 2145 | (void) TransformImageColorspace(image,sRGBColorspace,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2146 | break; |
cristy | 9f39678 | 2009-12-21 01:37:45 +0000 | [diff] [blame] | 2147 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2148 | } |
| 2149 | if ((image_info->type != TrueColorType) && |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2150 | (IsImageGray(image,exception) != MagickFalse)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2151 | { |
| 2152 | jpeg_info.input_components=1; |
| 2153 | jpeg_info.in_color_space=JCS_GRAYSCALE; |
| 2154 | } |
| 2155 | jpeg_set_defaults(&jpeg_info); |
cristy | 1136909 | 2013-02-03 22:38:57 +0000 | [diff] [blame] | 2156 | if (jpeg_info.in_color_space == JCS_CMYK) |
| 2157 | jpeg_set_colorspace(&jpeg_info,JCS_YCCK); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2158 | if ((jpeg_info.data_precision != 12) && (image->depth <= 8)) |
| 2159 | jpeg_info.data_precision=8; |
| 2160 | else |
| 2161 | if (sizeof(JSAMPLE) > 1) |
| 2162 | jpeg_info.data_precision=12; |
| 2163 | jpeg_info.density_unit=(UINT8) 1; |
| 2164 | if (image->debug != MagickFalse) |
| 2165 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 2a11bef | 2011-10-28 18:33:11 +0000 | [diff] [blame] | 2166 | "Image resolution: %.20g,%.20g",floor(image->resolution.x+0.5), |
| 2167 | floor(image->resolution.y+0.5)); |
| 2168 | if ((image->resolution.x != 0.0) && (image->resolution.y != 0.0)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2169 | { |
| 2170 | /* |
| 2171 | Set image resolution. |
| 2172 | */ |
| 2173 | jpeg_info.write_JFIF_header=MagickTrue; |
cristy | 2a11bef | 2011-10-28 18:33:11 +0000 | [diff] [blame] | 2174 | jpeg_info.X_density=(UINT16) floor(image->resolution.x+0.5); |
| 2175 | jpeg_info.Y_density=(UINT16) floor(image->resolution.y+0.5); |
cristy | 0c22063 | 2013-09-25 22:10:28 +0000 | [diff] [blame^] | 2176 | /* |
| 2177 | Set image resolution units. |
| 2178 | */ |
| 2179 | jpeg_info.density_unit=(UINT8) 0; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2180 | if (image->units == PixelsPerInchResolution) |
| 2181 | jpeg_info.density_unit=(UINT8) 1; |
| 2182 | if (image->units == PixelsPerCentimeterResolution) |
| 2183 | jpeg_info.density_unit=(UINT8) 2; |
| 2184 | } |
cristy | 97cb3bf | 2012-02-21 18:31:20 +0000 | [diff] [blame] | 2185 | jpeg_info.dct_method=JDCT_FLOAT; |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 2186 | option=GetImageOption(image_info,"jpeg:dct-method"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2187 | if (option != (const char *) NULL) |
| 2188 | switch (*option) |
| 2189 | { |
| 2190 | case 'D': |
| 2191 | case 'd': |
| 2192 | { |
| 2193 | if (LocaleCompare(option,"default") == 0) |
| 2194 | jpeg_info.dct_method=JDCT_DEFAULT; |
| 2195 | break; |
| 2196 | } |
| 2197 | case 'F': |
| 2198 | case 'f': |
| 2199 | { |
| 2200 | if (LocaleCompare(option,"fastest") == 0) |
| 2201 | jpeg_info.dct_method=JDCT_FASTEST; |
| 2202 | if (LocaleCompare(option,"float") == 0) |
| 2203 | jpeg_info.dct_method=JDCT_FLOAT; |
| 2204 | break; |
| 2205 | } |
| 2206 | case 'I': |
| 2207 | case 'i': |
| 2208 | { |
| 2209 | if (LocaleCompare(option,"ifast") == 0) |
| 2210 | jpeg_info.dct_method=JDCT_IFAST; |
| 2211 | if (LocaleCompare(option,"islow") == 0) |
| 2212 | jpeg_info.dct_method=JDCT_ISLOW; |
| 2213 | break; |
| 2214 | } |
| 2215 | } |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 2216 | option=GetImageOption(image_info,"jpeg:optimize-coding"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2217 | if (option != (const char *) NULL) |
anthony | 6f20131 | 2012-03-30 04:08:15 +0000 | [diff] [blame] | 2218 | jpeg_info.optimize_coding=IsStringTrue(option); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2219 | else |
| 2220 | { |
| 2221 | MagickSizeType |
| 2222 | length; |
| 2223 | |
| 2224 | length=(MagickSizeType) jpeg_info.input_components*image->columns* |
| 2225 | image->rows*sizeof(JSAMPLE); |
| 2226 | if (length == (MagickSizeType) ((size_t) length)) |
| 2227 | { |
| 2228 | /* |
| 2229 | Perform optimization only if available memory resources permit it. |
| 2230 | */ |
| 2231 | status=AcquireMagickResource(MemoryResource,length); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2232 | RelinquishMagickResource(MemoryResource,length); |
anthony | 6f20131 | 2012-03-30 04:08:15 +0000 | [diff] [blame] | 2233 | jpeg_info.optimize_coding=status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2234 | } |
| 2235 | } |
| 2236 | #if (JPEG_LIB_VERSION >= 61) && defined(C_PROGRESSIVE_SUPPORTED) |
| 2237 | if ((LocaleCompare(image_info->magick,"PJPEG") == 0) || |
| 2238 | (image_info->interlace != NoInterlace)) |
| 2239 | { |
| 2240 | if (image->debug != MagickFalse) |
| 2241 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2242 | "Interlace: progressive"); |
| 2243 | jpeg_simple_progression(&jpeg_info); |
| 2244 | } |
| 2245 | else |
| 2246 | if (image->debug != MagickFalse) |
| 2247 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2248 | "Interlace: non-progressive"); |
| 2249 | #else |
| 2250 | if (image->debug != MagickFalse) |
| 2251 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2252 | "Interlace: nonprogressive"); |
| 2253 | #endif |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 2254 | option=GetImageOption(image_info,"jpeg:extent"); |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2255 | if (option != (const char *) NULL) |
| 2256 | { |
| 2257 | Image |
| 2258 | *jpeg_image; |
| 2259 | |
| 2260 | ImageInfo |
| 2261 | *jpeg_info; |
| 2262 | |
| 2263 | jpeg_info=CloneImageInfo(image_info); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2264 | jpeg_image=CloneImage(image,0,0,MagickTrue,exception); |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2265 | if (jpeg_image != (Image *) NULL) |
| 2266 | { |
| 2267 | MagickSizeType |
| 2268 | extent; |
| 2269 | |
| 2270 | size_t |
cristy | 87e73ab | 2010-02-12 01:59:12 +0000 | [diff] [blame] | 2271 | maximum, |
| 2272 | minimum; |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2273 | |
| 2274 | /* |
| 2275 | Search for compression quality that does not exceed image extent. |
| 2276 | */ |
| 2277 | jpeg_info->quality=0; |
cristy | d6495f9 | 2011-12-01 19:36:52 +0000 | [diff] [blame] | 2278 | extent=(MagickSizeType) SiPrefixToDoubleInterval(option,100.0); |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2279 | (void) DeleteImageOption(jpeg_info,"jpeg:extent"); |
cristy | 2e5309e | 2013-04-27 14:48:31 +0000 | [diff] [blame] | 2280 | (void) DeleteImageArtifact(jpeg_image,"jpeg:extent"); |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2281 | (void) AcquireUniqueFilename(jpeg_image->filename); |
cristy | e0a316c | 2010-02-13 19:15:23 +0000 | [diff] [blame] | 2282 | maximum=101; |
dirk | cf84524 | 2013-08-11 21:36:19 +0000 | [diff] [blame] | 2283 | for (minimum=2; minimum < maximum; ) |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2284 | { |
cristy | e10c964 | 2013-04-13 12:32:41 +0000 | [diff] [blame] | 2285 | jpeg_image->quality=minimum+(maximum-minimum+1)/2; |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2286 | status=WriteJPEGImage(jpeg_info,jpeg_image,exception); |
cristy | c8d69b1 | 2010-02-13 19:06:26 +0000 | [diff] [blame] | 2287 | if (GetBlobSize(jpeg_image) <= extent) |
cristy | 87e73ab | 2010-02-12 01:59:12 +0000 | [diff] [blame] | 2288 | minimum=jpeg_image->quality+1; |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2289 | else |
cristy | 87e73ab | 2010-02-12 01:59:12 +0000 | [diff] [blame] | 2290 | maximum=jpeg_image->quality-1; |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2291 | } |
| 2292 | (void) RelinquishUniqueFileResource(jpeg_image->filename); |
cristy | c8d69b1 | 2010-02-13 19:06:26 +0000 | [diff] [blame] | 2293 | image->quality=minimum-1; |
cristy | 0adb4f9 | 2009-11-28 18:08:51 +0000 | [diff] [blame] | 2294 | jpeg_image=DestroyImage(jpeg_image); |
| 2295 | } |
| 2296 | jpeg_info=DestroyImageInfo(jpeg_info); |
| 2297 | } |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2298 | quality=92; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2299 | if ((image_info->compression != LosslessJPEGCompression) && |
| 2300 | (image->quality <= 100)) |
| 2301 | { |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2302 | if (image->quality != UndefinedCompressionQuality) |
| 2303 | quality=(int) image->quality; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2304 | if (image->debug != MagickFalse) |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 2305 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Quality: %.20g", |
| 2306 | (double) image->quality); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2307 | } |
| 2308 | else |
| 2309 | { |
| 2310 | #if !defined(C_LOSSLESS_SUPPORTED) |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2311 | quality=100; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2312 | if (image->debug != MagickFalse) |
| 2313 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Quality: 100"); |
| 2314 | #else |
| 2315 | if (image->quality < 100) |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2316 | (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, |
| 2317 | "LosslessToLossyJPEGConversion",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2318 | else |
| 2319 | { |
| 2320 | int |
| 2321 | point_transform, |
| 2322 | predictor; |
| 2323 | |
| 2324 | predictor=image->quality/100; /* range 1-7 */ |
| 2325 | point_transform=image->quality % 20; /* range 0-15 */ |
| 2326 | jpeg_simple_lossless(&jpeg_info,predictor,point_transform); |
| 2327 | if (image->debug != MagickFalse) |
| 2328 | { |
| 2329 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2330 | "Compression: lossless"); |
| 2331 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2332 | "Predictor: %d",predictor); |
| 2333 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2334 | "Point Transform: %d",point_transform); |
| 2335 | } |
| 2336 | } |
| 2337 | #endif |
| 2338 | } |
cristy | 21749e9 | 2012-02-18 02:29:21 +0000 | [diff] [blame] | 2339 | jpeg_set_quality(&jpeg_info,quality,MagickTrue); |
cristy | 16e7472 | 2012-07-01 13:01:38 +0000 | [diff] [blame] | 2340 | #if (JPEG_LIB_VERSION >= 70) |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 2341 | option=GetImageOption(image_info,"quality"); |
cristy | 16e7472 | 2012-07-01 13:01:38 +0000 | [diff] [blame] | 2342 | if (option != (const char *) NULL) |
| 2343 | { |
| 2344 | GeometryInfo |
| 2345 | geometry_info; |
| 2346 | |
| 2347 | int |
| 2348 | flags; |
| 2349 | |
| 2350 | /* |
| 2351 | Set quality scaling for luminance and chrominance separately. |
| 2352 | */ |
| 2353 | flags=ParseGeometry(option,&geometry_info); |
| 2354 | if (((flags & RhoValue) != 0) && ((flags & SigmaValue) != 0)) |
| 2355 | { |
| 2356 | jpeg_info.q_scale_factor[0]=jpeg_quality_scaling((int) |
| 2357 | (geometry_info.rho+0.5)); |
| 2358 | jpeg_info.q_scale_factor[1]=jpeg_quality_scaling((int) |
| 2359 | (geometry_info.sigma+0.5)); |
| 2360 | jpeg_default_qtables(&jpeg_info,MagickTrue); |
| 2361 | } |
| 2362 | } |
| 2363 | #endif |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2364 | colorspace=jpeg_info.in_color_space; |
| 2365 | value=GetImageOption(image_info,"jpeg:colorspace"); |
glennrp | 2a7dbb1 | 2012-09-20 12:48:41 +0000 | [diff] [blame] | 2366 | if (value == (char *) NULL) |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2367 | value=GetImageProperty(image,"jpeg:colorspace",exception); |
cristy | efb04e2 | 2012-09-17 23:29:25 +0000 | [diff] [blame] | 2368 | if (value != (char *) NULL) |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2369 | colorspace=StringToInteger(value); |
| 2370 | sampling_factor=(const char *) NULL; |
| 2371 | if (colorspace == jpeg_info.in_color_space) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2372 | { |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2373 | value=GetImageOption(image_info,"jpeg:sampling-factor"); |
| 2374 | if (value == (char *) NULL) |
| 2375 | value=GetImageProperty(image,"jpeg:sampling-factor",exception); |
| 2376 | if (value != (char *) NULL) |
| 2377 | { |
| 2378 | sampling_factor=value; |
| 2379 | if (image->debug != MagickFalse) |
| 2380 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2381 | " Input sampling-factors=%s",sampling_factor); |
| 2382 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2383 | } |
cristy | 7b8ed29 | 2013-05-18 01:13:56 +0000 | [diff] [blame] | 2384 | value=GetImageOption(image_info,"jpeg:sampling-factor"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2385 | if (image_info->sampling_factor != (char *) NULL) |
| 2386 | sampling_factor=image_info->sampling_factor; |
| 2387 | if (sampling_factor == (const char *) NULL) |
| 2388 | { |
| 2389 | if (image->quality >= 90) |
| 2390 | for (i=0; i < MAX_COMPONENTS; i++) |
| 2391 | { |
| 2392 | jpeg_info.comp_info[i].h_samp_factor=1; |
| 2393 | jpeg_info.comp_info[i].v_samp_factor=1; |
| 2394 | } |
| 2395 | } |
| 2396 | else |
| 2397 | { |
| 2398 | char |
| 2399 | **factors; |
| 2400 | |
| 2401 | GeometryInfo |
| 2402 | geometry_info; |
| 2403 | |
| 2404 | MagickStatusType |
| 2405 | flags; |
| 2406 | |
| 2407 | /* |
| 2408 | Set sampling factor. |
| 2409 | */ |
| 2410 | i=0; |
| 2411 | factors=SamplingFactorToList(sampling_factor); |
| 2412 | if (factors != (char **) NULL) |
| 2413 | { |
| 2414 | for (i=0; i < MAX_COMPONENTS; i++) |
| 2415 | { |
| 2416 | if (factors[i] == (char *) NULL) |
| 2417 | break; |
| 2418 | flags=ParseGeometry(factors[i],&geometry_info); |
| 2419 | if ((flags & SigmaValue) == 0) |
| 2420 | geometry_info.sigma=geometry_info.rho; |
| 2421 | jpeg_info.comp_info[i].h_samp_factor=(int) geometry_info.rho; |
| 2422 | jpeg_info.comp_info[i].v_samp_factor=(int) geometry_info.sigma; |
| 2423 | factors[i]=(char *) RelinquishMagickMemory(factors[i]); |
| 2424 | } |
| 2425 | factors=(char **) RelinquishMagickMemory(factors); |
| 2426 | } |
| 2427 | for ( ; i < MAX_COMPONENTS; i++) |
| 2428 | { |
| 2429 | jpeg_info.comp_info[i].h_samp_factor=1; |
| 2430 | jpeg_info.comp_info[i].v_samp_factor=1; |
| 2431 | } |
| 2432 | } |
cristy | 092ec8d | 2013-04-26 13:46:22 +0000 | [diff] [blame] | 2433 | option=GetImageOption(image_info,"jpeg:q-table"); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2434 | if (option != (const char *) NULL) |
cristy | 1445b32 | 2012-02-19 18:57:30 +0000 | [diff] [blame] | 2435 | { |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2436 | QuantizationTable |
| 2437 | *table; |
cristy | b4bb39c | 2012-02-21 18:45:54 +0000 | [diff] [blame] | 2438 | |
cristy | 1445b32 | 2012-02-19 18:57:30 +0000 | [diff] [blame] | 2439 | /* |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2440 | Custom quantization tables. |
cristy | 1445b32 | 2012-02-19 18:57:30 +0000 | [diff] [blame] | 2441 | */ |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2442 | table=GetQuantizationTable(option,"0",exception); |
| 2443 | if (table != (QuantizationTable *) NULL) |
| 2444 | { |
cristy | ae453b7 | 2013-04-21 22:24:20 +0000 | [diff] [blame] | 2445 | for (i=0; i < MAX_COMPONENTS; i++) |
cristy | d2fe6d1 | 2013-04-21 22:29:56 +0000 | [diff] [blame] | 2446 | jpeg_info.comp_info[i].quant_tbl_no=0; |
| 2447 | jpeg_add_quant_table(&jpeg_info,0,table->levels, |
| 2448 | jpeg_quality_scaling(quality),0); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2449 | table=DestroyQuantizationTable(table); |
| 2450 | } |
| 2451 | table=GetQuantizationTable(option,"1",exception); |
| 2452 | if (table != (QuantizationTable *) NULL) |
| 2453 | { |
cristy | ae453b7 | 2013-04-21 22:24:20 +0000 | [diff] [blame] | 2454 | for (i=1; i < MAX_COMPONENTS; i++) |
cristy | d2fe6d1 | 2013-04-21 22:29:56 +0000 | [diff] [blame] | 2455 | jpeg_info.comp_info[i].quant_tbl_no=1; |
| 2456 | jpeg_add_quant_table(&jpeg_info,1,table->levels, |
| 2457 | jpeg_quality_scaling(quality),0); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2458 | table=DestroyQuantizationTable(table); |
| 2459 | } |
| 2460 | table=GetQuantizationTable(option,"2",exception); |
| 2461 | if (table != (QuantizationTable *) NULL) |
| 2462 | { |
cristy | ae453b7 | 2013-04-21 22:24:20 +0000 | [diff] [blame] | 2463 | for (i=2; i < MAX_COMPONENTS; i++) |
cristy | d2fe6d1 | 2013-04-21 22:29:56 +0000 | [diff] [blame] | 2464 | jpeg_info.comp_info[i].quant_tbl_no=2; |
| 2465 | jpeg_add_quant_table(&jpeg_info,2,table->levels, |
| 2466 | jpeg_quality_scaling(quality),0); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2467 | table=DestroyQuantizationTable(table); |
| 2468 | } |
| 2469 | table=GetQuantizationTable(option,"3",exception); |
| 2470 | if (table != (QuantizationTable *) NULL) |
| 2471 | { |
cristy | ae453b7 | 2013-04-21 22:24:20 +0000 | [diff] [blame] | 2472 | for (i=3; i < MAX_COMPONENTS; i++) |
cristy | d2fe6d1 | 2013-04-21 22:29:56 +0000 | [diff] [blame] | 2473 | jpeg_info.comp_info[i].quant_tbl_no=3; |
| 2474 | jpeg_add_quant_table(&jpeg_info,3,table->levels, |
| 2475 | jpeg_quality_scaling(quality),0); |
cristy | 1b58f25 | 2012-03-01 01:41:41 +0000 | [diff] [blame] | 2476 | table=DestroyQuantizationTable(table); |
| 2477 | } |
cristy | 1445b32 | 2012-02-19 18:57:30 +0000 | [diff] [blame] | 2478 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2479 | jpeg_start_compress(&jpeg_info,MagickTrue); |
| 2480 | if (image->debug != MagickFalse) |
| 2481 | { |
| 2482 | if (image->storage_class == PseudoClass) |
| 2483 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2484 | "Storage class: PseudoClass"); |
| 2485 | else |
| 2486 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2487 | "Storage class: DirectClass"); |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 2488 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Depth: %.20g", |
| 2489 | (double) image->depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2490 | if (image->colors != 0) |
| 2491 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 2492 | "Number of colors: %.20g",(double) image->colors); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2493 | else |
| 2494 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2495 | "Number of colors: unspecified"); |
| 2496 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2497 | "JPEG data precision: %d",(int) jpeg_info.data_precision); |
| 2498 | switch (image->colorspace) |
| 2499 | { |
| 2500 | case CMYKColorspace: |
| 2501 | { |
| 2502 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2503 | "Storage class: DirectClass"); |
| 2504 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2505 | "Colorspace: CMYK"); |
| 2506 | break; |
| 2507 | } |
| 2508 | case YCbCrColorspace: |
| 2509 | case Rec601YCbCrColorspace: |
| 2510 | case Rec709YCbCrColorspace: |
| 2511 | { |
| 2512 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2513 | "Colorspace: YCbCr"); |
| 2514 | break; |
| 2515 | } |
| 2516 | default: |
| 2517 | break; |
| 2518 | } |
| 2519 | switch (image->colorspace) |
| 2520 | { |
| 2521 | case CMYKColorspace: |
| 2522 | { |
| 2523 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2524 | "Colorspace: CMYK"); |
| 2525 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2526 | "Sampling factors: %dx%d,%dx%d,%dx%d,%dx%d", |
| 2527 | jpeg_info.comp_info[0].h_samp_factor, |
| 2528 | jpeg_info.comp_info[0].v_samp_factor, |
| 2529 | jpeg_info.comp_info[1].h_samp_factor, |
| 2530 | jpeg_info.comp_info[1].v_samp_factor, |
| 2531 | jpeg_info.comp_info[2].h_samp_factor, |
| 2532 | jpeg_info.comp_info[2].v_samp_factor, |
| 2533 | jpeg_info.comp_info[3].h_samp_factor, |
| 2534 | jpeg_info.comp_info[3].v_samp_factor); |
| 2535 | break; |
| 2536 | } |
| 2537 | case GRAYColorspace: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2538 | { |
| 2539 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2540 | "Colorspace: GRAY"); |
| 2541 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2542 | "Sampling factors: %dx%d",jpeg_info.comp_info[0].h_samp_factor, |
| 2543 | jpeg_info.comp_info[0].v_samp_factor); |
| 2544 | break; |
| 2545 | } |
cristy | ed8d785 | 2013-08-01 22:44:22 +0000 | [diff] [blame] | 2546 | case sRGBColorspace: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2547 | case RGBColorspace: |
| 2548 | { |
| 2549 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | feed8be | 2013-08-01 22:45:13 +0000 | [diff] [blame] | 2550 | "Image colorspace is RGB"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2551 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2552 | "Sampling factors: %dx%d,%dx%d,%dx%d", |
| 2553 | jpeg_info.comp_info[0].h_samp_factor, |
| 2554 | jpeg_info.comp_info[0].v_samp_factor, |
| 2555 | jpeg_info.comp_info[1].h_samp_factor, |
| 2556 | jpeg_info.comp_info[1].v_samp_factor, |
| 2557 | jpeg_info.comp_info[2].h_samp_factor, |
| 2558 | jpeg_info.comp_info[2].v_samp_factor); |
| 2559 | break; |
| 2560 | } |
| 2561 | case YCbCrColorspace: |
| 2562 | case Rec601YCbCrColorspace: |
| 2563 | case Rec709YCbCrColorspace: |
| 2564 | { |
| 2565 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2566 | "Colorspace: YCbCr"); |
| 2567 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2568 | "Sampling factors: %dx%d,%dx%d,%dx%d", |
| 2569 | jpeg_info.comp_info[0].h_samp_factor, |
| 2570 | jpeg_info.comp_info[0].v_samp_factor, |
| 2571 | jpeg_info.comp_info[1].h_samp_factor, |
| 2572 | jpeg_info.comp_info[1].v_samp_factor, |
| 2573 | jpeg_info.comp_info[2].h_samp_factor, |
| 2574 | jpeg_info.comp_info[2].v_samp_factor); |
| 2575 | break; |
| 2576 | } |
| 2577 | default: |
| 2578 | { |
| 2579 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Colorspace: %d", |
| 2580 | image->colorspace); |
| 2581 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 2582 | "Sampling factors: %dx%d,%dx%d,%dx%d,%dx%d", |
| 2583 | jpeg_info.comp_info[0].h_samp_factor, |
| 2584 | jpeg_info.comp_info[0].v_samp_factor, |
| 2585 | jpeg_info.comp_info[1].h_samp_factor, |
| 2586 | jpeg_info.comp_info[1].v_samp_factor, |
| 2587 | jpeg_info.comp_info[2].h_samp_factor, |
| 2588 | jpeg_info.comp_info[2].v_samp_factor, |
| 2589 | jpeg_info.comp_info[3].h_samp_factor, |
| 2590 | jpeg_info.comp_info[3].v_samp_factor); |
| 2591 | break; |
| 2592 | } |
| 2593 | } |
| 2594 | } |
| 2595 | /* |
| 2596 | Write JPEG profiles. |
| 2597 | */ |
cristy | d15e659 | 2011-10-15 00:13:06 +0000 | [diff] [blame] | 2598 | value=GetImageProperty(image,"comment",exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2599 | if (value != (char *) NULL) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2600 | for (i=0; i < (ssize_t) strlen(value); i+=65533L) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2601 | jpeg_write_marker(&jpeg_info,JPEG_COM,(unsigned char *) value+i, |
| 2602 | (unsigned int) MagickMin((size_t) strlen(value+i),65533L)); |
| 2603 | if (image->profiles != (void *) NULL) |
| 2604 | WriteProfile(&jpeg_info,image); |
| 2605 | /* |
| 2606 | Convert MIFF to JPEG raster pixels. |
| 2607 | */ |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2608 | memory_info=AcquireVirtualMemory((size_t) image->columns, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2609 | jpeg_info.input_components*sizeof(*jpeg_pixels)); |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2610 | if (memory_info == (MemoryInfo *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2611 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2612 | jpeg_pixels=(JSAMPLE *) GetVirtualMemoryBlob(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2613 | if (setjmp(error_manager.error_recovery) != 0) |
| 2614 | { |
| 2615 | jpeg_destroy_compress(&jpeg_info); |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2616 | if (memory_info != (MemoryInfo *) NULL) |
| 2617 | memory_info=RelinquishVirtualMemory(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2618 | (void) CloseBlob(image); |
| 2619 | return(MagickFalse); |
| 2620 | } |
| 2621 | scanline[0]=(JSAMPROW) jpeg_pixels; |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2622 | if (jpeg_info.data_precision <= 8) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2623 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2624 | if ((jpeg_info.in_color_space == JCS_RGB) || |
| 2625 | (jpeg_info.in_color_space == JCS_YCbCr)) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2626 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2627 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2628 | register const Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2629 | *p; |
| 2630 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2631 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2632 | x; |
| 2633 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2634 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2635 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2636 | break; |
| 2637 | q=jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2638 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2639 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2640 | *q++=(JSAMPLE) ScaleQuantumToChar(GetPixelRed(image,p)); |
| 2641 | *q++=(JSAMPLE) ScaleQuantumToChar(GetPixelGreen(image,p)); |
| 2642 | *q++=(JSAMPLE) ScaleQuantumToChar(GetPixelBlue(image,p)); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2643 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2644 | } |
| 2645 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2646 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 2647 | image->rows); |
| 2648 | if (status == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2649 | break; |
| 2650 | } |
| 2651 | else |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2652 | if (jpeg_info.in_color_space == JCS_GRAYSCALE) |
cristy | d032322 | 2013-04-07 16:13:21 +0000 | [diff] [blame] | 2653 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2654 | { |
cristy | d032322 | 2013-04-07 16:13:21 +0000 | [diff] [blame] | 2655 | register const Quantum |
| 2656 | *p; |
| 2657 | |
| 2658 | register ssize_t |
| 2659 | x; |
| 2660 | |
| 2661 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| 2662 | if (p == (const Quantum *) NULL) |
| 2663 | break; |
| 2664 | q=jpeg_pixels; |
| 2665 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2666 | { |
cristy | d032322 | 2013-04-07 16:13:21 +0000 | [diff] [blame] | 2667 | *q++=(JSAMPLE) ScaleQuantumToChar(ClampToQuantum(GetPixelLuma( |
| 2668 | image,p))); |
| 2669 | p+=GetPixelChannels(image); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2670 | } |
cristy | d032322 | 2013-04-07 16:13:21 +0000 | [diff] [blame] | 2671 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
| 2672 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 2673 | image->rows); |
| 2674 | if (status == MagickFalse) |
| 2675 | break; |
| 2676 | } |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2677 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2678 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2679 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2680 | register const Quantum |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2681 | *p; |
| 2682 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2683 | register ssize_t |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2684 | x; |
| 2685 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2686 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2687 | if (p == (const Quantum *) NULL) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2688 | break; |
| 2689 | q=jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2690 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2691 | { |
| 2692 | /* |
| 2693 | Convert DirectClass packets to contiguous CMYK scanlines. |
| 2694 | */ |
| 2695 | *q++=(JSAMPLE) (ScaleQuantumToChar((Quantum) (QuantumRange- |
cristy | 679eaad | 2013-02-03 22:35:12 +0000 | [diff] [blame] | 2696 | GetPixelCyan(image,p)))); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2697 | *q++=(JSAMPLE) (ScaleQuantumToChar((Quantum) (QuantumRange- |
cristy | 679eaad | 2013-02-03 22:35:12 +0000 | [diff] [blame] | 2698 | GetPixelMagenta(image,p)))); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2699 | *q++=(JSAMPLE) (ScaleQuantumToChar((Quantum) (QuantumRange- |
cristy | 679eaad | 2013-02-03 22:35:12 +0000 | [diff] [blame] | 2700 | GetPixelYellow(image,p)))); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2701 | *q++=(JSAMPLE) (ScaleQuantumToChar((Quantum) (QuantumRange- |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2702 | GetPixelBlack(image,p)))); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2703 | p+=GetPixelChannels(image); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2704 | } |
| 2705 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2706 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 2707 | image->rows); |
| 2708 | if (status == MagickFalse) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2709 | break; |
| 2710 | } |
| 2711 | } |
| 2712 | else |
| 2713 | if (jpeg_info.in_color_space == JCS_GRAYSCALE) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2714 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2715 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2716 | register const Quantum |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2717 | *p; |
| 2718 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2719 | register ssize_t |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2720 | x; |
| 2721 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2722 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2723 | if (p == (const Quantum *) NULL) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2724 | break; |
| 2725 | q=jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2726 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2727 | { |
cristy | d032322 | 2013-04-07 16:13:21 +0000 | [diff] [blame] | 2728 | *q++=(JSAMPLE) (ScaleQuantumToShort(ClampToQuantum(GetPixelLuma( |
| 2729 | image,p))) >> 4); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2730 | p+=GetPixelChannels(image); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2731 | } |
| 2732 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2733 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
| 2734 | image->rows); |
| 2735 | if (status == MagickFalse) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2736 | break; |
| 2737 | } |
| 2738 | else |
| 2739 | if ((jpeg_info.in_color_space == JCS_RGB) || |
| 2740 | (jpeg_info.in_color_space == JCS_YCbCr)) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2741 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2742 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2743 | register const Quantum |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2744 | *p; |
| 2745 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2746 | register ssize_t |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2747 | x; |
| 2748 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2749 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2750 | if (p == (const Quantum *) NULL) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2751 | break; |
| 2752 | q=jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2753 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2754 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2755 | *q++=(JSAMPLE) (ScaleQuantumToShort(GetPixelRed(image,p)) >> 4); |
| 2756 | *q++=(JSAMPLE) (ScaleQuantumToShort(GetPixelGreen(image,p)) >> 4); |
| 2757 | *q++=(JSAMPLE) (ScaleQuantumToShort(GetPixelBlue(image,p)) >> 4); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2758 | p+=GetPixelChannels(image); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2759 | } |
| 2760 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 2761 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2762 | image->rows); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2763 | if (status == MagickFalse) |
| 2764 | break; |
| 2765 | } |
| 2766 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2767 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2768 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2769 | register const Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2770 | *p; |
| 2771 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2772 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2773 | x; |
| 2774 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 2775 | p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2776 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2777 | break; |
| 2778 | q=jpeg_pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2779 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2780 | { |
| 2781 | /* |
| 2782 | Convert DirectClass packets to contiguous CMYK scanlines. |
| 2783 | */ |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2784 | *q++=(JSAMPLE) (4095-(ScaleQuantumToShort( |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2785 | GetPixelRed(image,p)) >> 4)); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2786 | *q++=(JSAMPLE) (4095-(ScaleQuantumToShort( |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2787 | GetPixelGreen(image,p)) >> 4)); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2788 | *q++=(JSAMPLE) (4095-(ScaleQuantumToShort( |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2789 | GetPixelBlue(image,p)) >> 4)); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2790 | *q++=(JSAMPLE) (4095-(ScaleQuantumToShort( |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2791 | GetPixelBlack(image,p)) >> 4)); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2792 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2793 | } |
| 2794 | (void) jpeg_write_scanlines(&jpeg_info,scanline,1); |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 2795 | status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 2796 | image->rows); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 2797 | if (status == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2798 | break; |
| 2799 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2800 | if (y == (ssize_t) image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2801 | jpeg_finish_compress(&jpeg_info); |
| 2802 | /* |
| 2803 | Relinquish resources. |
| 2804 | */ |
| 2805 | jpeg_destroy_compress(&jpeg_info); |
cristy | 22646e2 | 2013-06-23 16:34:03 +0000 | [diff] [blame] | 2806 | memory_info=RelinquishVirtualMemory(memory_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2807 | (void) CloseBlob(image); |
| 2808 | return(MagickTrue); |
| 2809 | } |
| 2810 | #endif |