granicus.if.org Git - imagemagick/blob - MagickCore/attribute.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %         AAA   TTTTT  TTTTT  RRRR   IIIII  BBBB   U   U  TTTTT  EEEEE        %
   7 %        A   A    T      T    R   R    I    B   B  U   U    T    E            %
   8 %        AAAAA    T      T    RRRR     I    BBBB   U   U    T    EEE          %
   9 %        A   A    T      T    R R      I    B   B  U   U    T    E            %
  10 %        A   A    T      T    R  R   IIIII  BBBB    UUU     T    EEEEE        %
  11 %                                                                             %
  12 %                                                                             %
  13 %                    MagickCore Get / Set Image Attributes                    %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                October 2002                                 %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 %
  38 */
  39 \f
  40 /*
  41   Include declarations.
  42 */
  43 #include "MagickCore/studio.h"
  44 #include "MagickCore/artifact.h"
  45 #include "MagickCore/attribute.h"
  46 #include "MagickCore/blob.h"
  47 #include "MagickCore/blob-private.h"
  48 #include "MagickCore/cache.h"
  49 #include "MagickCore/cache-view.h"
  50 #include "MagickCore/client.h"
  51 #include "MagickCore/color.h"
  52 #include "MagickCore/color-private.h"
  53 #include "MagickCore/colormap.h"
  54 #include "MagickCore/colormap-private.h"
  55 #include "MagickCore/colorspace.h"
  56 #include "MagickCore/colorspace-private.h"
  57 #include "MagickCore/composite.h"
  58 #include "MagickCore/composite-private.h"
  59 #include "MagickCore/constitute.h"
  60 #include "MagickCore/draw.h"
  61 #include "MagickCore/draw-private.h"
  62 #include "MagickCore/effect.h"
  63 #include "MagickCore/enhance.h"
  64 #include "MagickCore/exception.h"
  65 #include "MagickCore/exception-private.h"
  66 #include "MagickCore/geometry.h"
  67 #include "MagickCore/histogram.h"
  68 #include "MagickCore/identify.h"
  69 #include "MagickCore/image.h"
  70 #include "MagickCore/image-private.h"
  71 #include "MagickCore/list.h"
  72 #include "MagickCore/log.h"
  73 #include "MagickCore/memory_.h"
  74 #include "MagickCore/magick.h"
  75 #include "MagickCore/monitor.h"
  76 #include "MagickCore/monitor-private.h"
  77 #include "MagickCore/option.h"
  78 #include "MagickCore/paint.h"
  79 #include "MagickCore/pixel.h"
  80 #include "MagickCore/pixel-accessor.h"
  81 #include "MagickCore/property.h"
  82 #include "MagickCore/quantize.h"
  83 #include "MagickCore/quantum-private.h"
  84 #include "MagickCore/random_.h"
  85 #include "MagickCore/resource_.h"
  86 #include "MagickCore/semaphore.h"
  87 #include "MagickCore/segment.h"
  88 #include "MagickCore/splay-tree.h"
  89 #include "MagickCore/string_.h"
  90 #include "MagickCore/thread-private.h"
  91 #include "MagickCore/threshold.h"
  92 #include "MagickCore/transform.h"
  93 #include "MagickCore/utility.h"
  94 \f
  95 /*
  96 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  97 %                                                                             %
  98 %                                                                             %
  99 %                                                                             %
 100 +   G e t I m a g e B o u n d i n g B o x                                     %
 101 %                                                                             %
 102 %                                                                             %
 103 %                                                                             %
 104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 105 %
 106 %  GetImageBoundingBox() returns the bounding box of an image canvas.
 107 %
 108 %  The format of the GetImageBoundingBox method is:
 109 %
 110 %      RectangleInfo GetImageBoundingBox(const Image *image,
 111 %        ExceptionInfo *exception)
 112 %
 113 %  A description of each parameter follows:
 114 %
 115 %    o bounds: Method GetImageBoundingBox returns the bounding box of an
 116 %      image canvas.
 117 %
 118 %    o image: the image.
 119 %
 120 %    o exception: return any errors or warnings in this structure.
 121 %
 122 */
 123 MagickExport RectangleInfo GetImageBoundingBox(const Image *image,
 124   ExceptionInfo *exception)
 125 {
 126   CacheView
 127     *image_view;
 128
 129   MagickBooleanType
 130     status;
 131
 132   PixelInfo
 133     target[3],
 134     zero;
 135
 136   RectangleInfo
 137     bounds;
 138
 139   register const Quantum
 140     *p;
 141
 142   ssize_t
 143     y;
 144
 145   assert(image != (Image *) NULL);
 146   assert(image->signature == MagickSignature);
 147   if (image->debug != MagickFalse)
 148     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 149   bounds.width=0;
 150   bounds.height=0;
 151   bounds.x=(ssize_t) image->columns;
 152   bounds.y=(ssize_t) image->rows;
 153   GetPixelInfo(image,&target[0]);
 154   image_view=AcquireVirtualCacheView(image,exception);
 155   p=GetCacheViewVirtualPixels(image_view,0,0,1,1,exception);
 156   if (p == (const Quantum *) NULL)
 157     {
 158       image_view=DestroyCacheView(image_view);
 159       return(bounds);
 160     }
 161   GetPixelInfoPixel(image,p,&target[0]);
 162   GetPixelInfo(image,&target[1]);
 163   p=GetCacheViewVirtualPixels(image_view,(ssize_t) image->columns-1,0,1,1,
 164     exception);
 165   GetPixelInfoPixel(image,p,&target[1]);
 166   GetPixelInfo(image,&target[2]);
 167   p=GetCacheViewVirtualPixels(image_view,0,(ssize_t) image->rows-1,1,1,
 168     exception);
 169   GetPixelInfoPixel(image,p,&target[2]);
 170   status=MagickTrue;
 171   GetPixelInfo(image,&zero);
 172 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 173   #pragma omp parallel for schedule(static,4) shared(status) \
 174     magick_threads(image,image,image->rows,1)
 175 #endif
 176   for (y=0; y < (ssize_t) image->rows; y++)
 177   {
 178     PixelInfo
 179       pixel;
 180
 181     RectangleInfo
 182       bounding_box;
 183
 184     register const Quantum
 185       *restrict p;
 186
 187     register ssize_t
 188       x;
 189
 190     if (status == MagickFalse)
 191       continue;
 192 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 193 #  pragma omp critical (MagickCore_GetImageBoundingBox)
 194 #endif
 195     bounding_box=bounds;
 196     p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 197     if (p == (const Quantum *) NULL)
 198       {
 199         status=MagickFalse;
 200         continue;
 201       }
 202     pixel=zero;
 203     for (x=0; x < (ssize_t) image->columns; x++)
 204     {
 205       GetPixelInfoPixel(image,p,&pixel);
 206       if ((x < bounding_box.x) &&
 207           (IsFuzzyEquivalencePixelInfo(&pixel,&target[0]) == MagickFalse))
 208         bounding_box.x=x;
 209       if ((x > (ssize_t) bounding_box.width) &&
 210           (IsFuzzyEquivalencePixelInfo(&pixel,&target[1]) == MagickFalse))
 211         bounding_box.width=(size_t) x;
 212       if ((y < bounding_box.y) &&
 213           (IsFuzzyEquivalencePixelInfo(&pixel,&target[0]) == MagickFalse))
 214         bounding_box.y=y;
 215       if ((y > (ssize_t) bounding_box.height) &&
 216           (IsFuzzyEquivalencePixelInfo(&pixel,&target[2]) == MagickFalse))
 217         bounding_box.height=(size_t) y;
 218       p+=GetPixelChannels(image);
 219     }
 220 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 221 #  pragma omp critical (MagickCore_GetImageBoundingBox)
 222 #endif
 223     {
 224       if (bounding_box.x < bounds.x)
 225         bounds.x=bounding_box.x;
 226       if (bounding_box.y < bounds.y)
 227         bounds.y=bounding_box.y;
 228       if (bounding_box.width > bounds.width)
 229         bounds.width=bounding_box.width;
 230       if (bounding_box.height > bounds.height)
 231         bounds.height=bounding_box.height;
 232     }
 233   }
 234   image_view=DestroyCacheView(image_view);
 235   if ((bounds.width == 0) || (bounds.height == 0))
 236     (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
 237       "GeometryDoesNotContainImage","`%s'",image->filename);
 238   else
 239     {
 240       bounds.width-=(bounds.x-1);
 241       bounds.height-=(bounds.y-1);
 242     }
 243   return(bounds);
 244 }
 245 \f
 246 /*
 247 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 248 %                                                                             %
 249 %                                                                             %
 250 %                                                                             %
 251 %   G e t I m a g e D e p t h                                                 %
 252 %                                                                             %
 253 %                                                                             %
 254 %                                                                             %
 255 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 256 %
 257 %  GetImageDepth() returns the depth of a particular image channel.
 258 %
 259 %  The format of the GetImageDepth method is:
 260 %
 261 %      size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
 262 %
 263 %  A description of each parameter follows:
 264 %
 265 %    o image: the image.
 266 %
 267 %    o exception: return any errors or warnings in this structure.
 268 %
 269 */
 270 MagickExport size_t GetImageDepth(const Image *image,ExceptionInfo *exception)
 271 {
 272   CacheView
 273     *image_view;
 274
 275   MagickBooleanType
 276     status;
 277
 278   register ssize_t
 279     id;
 280
 281   size_t
 282     *current_depth,
 283     depth,
 284     number_threads;
 285
 286   ssize_t
 287     y;
 288
 289   /*
 290     Compute image depth.
 291   */
 292   assert(image != (Image *) NULL);
 293   assert(image->signature == MagickSignature);
 294   if (image->debug != MagickFalse)
 295     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 296   number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
 297   current_depth=(size_t *) AcquireQuantumMemory(number_threads,
 298     sizeof(*current_depth));
 299   if (current_depth == (size_t *) NULL)
 300     ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
 301   status=MagickTrue;
 302   for (id=0; id < (ssize_t) number_threads; id++)
 303     current_depth[id]=1;
 304   if ((image->storage_class == PseudoClass) && (image->alpha_trait != BlendPixelTrait))
 305     {
 306       register ssize_t
 307         i;
 308
 309 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 310       #pragma omp parallel for schedule(static,4) shared(status) \
 311         if ((image->colors) > 256) \
 312           num_threads(GetMagickResourceLimit(ThreadResource))
 313 #endif
 314       for (i=0; i < (ssize_t) image->colors; i++)
 315       {
 316         const int
 317           id = GetOpenMPThreadId();
 318
 319         if (status == MagickFalse)
 320           continue;
 321         while (current_depth[id] < MAGICKCORE_QUANTUM_DEPTH)
 322         {
 323           MagickStatusType
 324             status;
 325
 326           QuantumAny
 327             range;
 328
 329           status=0;
 330           range=GetQuantumRange(current_depth[id]);
 331           if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
 332             status|=ClampToQuantum(image->colormap[i].red) !=
 333               ScaleAnyToQuantum(ScaleQuantumToAny(ClampToQuantum(
 334               image->colormap[i].red),range),range);
 335           if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
 336             status|=ClampToQuantum(image->colormap[i].green) !=
 337               ScaleAnyToQuantum(ScaleQuantumToAny(ClampToQuantum(
 338               image->colormap[i].green),range),range);
 339           if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
 340             status|=ClampToQuantum(image->colormap[i].blue) !=
 341               ScaleAnyToQuantum(ScaleQuantumToAny(ClampToQuantum(
 342               image->colormap[i].blue),range),range);
 343           if (status == 0)
 344             break;
 345           current_depth[id]++;
 346         }
 347       }
 348       depth=current_depth[0];
 349       for (id=1; id < (ssize_t) number_threads; id++)
 350         if (depth < current_depth[id])
 351           depth=current_depth[id];
 352       current_depth=(size_t *) RelinquishMagickMemory(current_depth);
 353       return(depth);
 354     }
 355   image_view=AcquireVirtualCacheView(image,exception);
 356 #if !defined(MAGICKCORE_HDRI_SUPPORT)
 357   if (QuantumRange <= MaxMap)
 358     {
 359       register ssize_t
 360         i;
 361
 362       size_t
 363         *depth_map;
 364
 365       /*
 366         Scale pixels to desired (optimized with depth map).
 367       */
 368       depth_map=(size_t *) AcquireQuantumMemory(MaxMap+1,sizeof(*depth_map));
 369       if (depth_map == (size_t *) NULL)
 370         ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
 371       for (i=0; i <= (ssize_t) MaxMap; i++)
 372       {
 373         unsigned int
 374           depth;
 375
 376         for (depth=1; depth < MAGICKCORE_QUANTUM_DEPTH; depth++)
 377         {
 378           Quantum
 379             pixel;
 380
 381           QuantumAny
 382             range;
 383
 384           range=GetQuantumRange(depth);
 385           pixel=(Quantum) i;
 386           if (pixel == ScaleAnyToQuantum(ScaleQuantumToAny(pixel,range),range))
 387             break;
 388         }
 389         depth_map[i]=depth;
 390       }
 391 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 392       #pragma omp parallel for schedule(static,4) shared(status) \
 393         magick_threads(image,image,image->rows,1)
 394 #endif
 395       for (y=0; y < (ssize_t) image->rows; y++)
 396       {
 397         const int
 398           id = GetOpenMPThreadId();
 399
 400         register const Quantum
 401           *restrict p;
 402
 403         register ssize_t
 404           x;
 405
 406         if (status == MagickFalse)
 407           continue;
 408         p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 409         if (p == (const Quantum *) NULL)
 410           continue;
 411         for (x=0; x < (ssize_t) image->columns; x++)
 412         {
 413           register ssize_t
 414             i;
 415
 416           if (GetPixelMask(image,p) == 0)
 417             {
 418               p+=GetPixelChannels(image);
 419               continue;
 420             }
 421           for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
 422           {
 423             PixelChannel channel=GetPixelChannelChannel(image,i);
 424             PixelTrait traits=GetPixelChannelTraits(image,channel);
 425             if ((traits == UndefinedPixelTrait) ||
 426                 (channel == IndexPixelChannel) || (channel == MaskPixelChannel))
 427               continue;
 428             if (depth_map[ScaleQuantumToMap(p[i])] > current_depth[id])
 429               current_depth[id]=depth_map[ScaleQuantumToMap(p[i])];
 430           }
 431           p+=GetPixelChannels(image);
 432         }
 433         if (current_depth[id] == MAGICKCORE_QUANTUM_DEPTH)
 434           status=MagickFalse;
 435       }
 436       image_view=DestroyCacheView(image_view);
 437       depth=current_depth[0];
 438       for (id=1; id < (ssize_t) number_threads; id++)
 439         if (depth < current_depth[id])
 440           depth=current_depth[id];
 441       depth_map=(size_t *) RelinquishMagickMemory(depth_map);
 442       current_depth=(size_t *) RelinquishMagickMemory(current_depth);
 443       return(depth);
 444     }
 445 #endif
 446   /*
 447     Compute pixel depth.
 448   */
 449 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 450   #pragma omp parallel for schedule(static,4) shared(status) \
 451     magick_threads(image,image,image->rows,1)
 452 #endif
 453   for (y=0; y < (ssize_t) image->rows; y++)
 454   {
 455     const int
 456       id = GetOpenMPThreadId();
 457
 458     register const Quantum
 459       *restrict p;
 460
 461     register ssize_t
 462       x;
 463
 464     if (status == MagickFalse)
 465       continue;
 466     p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 467     if (p == (const Quantum *) NULL)
 468       continue;
 469     for (x=0; x < (ssize_t) image->columns; x++)
 470     {
 471       register ssize_t
 472         i;
 473
 474       if (GetPixelMask(image,p) == 0)
 475         {
 476           p+=GetPixelChannels(image);
 477           continue;
 478         }
 479       for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
 480       {
 481         PixelChannel
 482           channel;
 483
 484         PixelTrait
 485           traits;
 486
 487         channel=GetPixelChannelChannel(image,i);
 488         traits=GetPixelChannelTraits(image,channel);
 489         if ((traits == UndefinedPixelTrait) || (channel == IndexPixelChannel) ||
 490             (channel == MaskPixelChannel))
 491           continue;
 492         while (current_depth[id] < MAGICKCORE_QUANTUM_DEPTH)
 493         {
 494           QuantumAny
 495             range;
 496
 497           range=GetQuantumRange(current_depth[id]);
 498           if (p[i] == ScaleAnyToQuantum(ScaleQuantumToAny(p[i],range),range))
 499             break;
 500           current_depth[id]++;
 501         }
 502       }
 503       p+=GetPixelChannels(image);
 504     }
 505     if (current_depth[id] == MAGICKCORE_QUANTUM_DEPTH)
 506       status=MagickFalse;
 507   }
 508   image_view=DestroyCacheView(image_view);
 509   depth=current_depth[0];
 510   for (id=1; id < (ssize_t) number_threads; id++)
 511     if (depth < current_depth[id])
 512       depth=current_depth[id];
 513   current_depth=(size_t *) RelinquishMagickMemory(current_depth);
 514   return(depth);
 515 }
 516 \f
 517 /*
 518 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 519 %                                                                             %
 520 %                                                                             %
 521 %                                                                             %
 522 %   G e t I m a g e Q u a n t u m D e p t h                                   %
 523 %                                                                             %
 524 %                                                                             %
 525 %                                                                             %
 526 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 527 %
 528 %  GetImageQuantumDepth() returns the depth of the image rounded to a legal
 529 %  quantum depth: 8, 16, or 32.
 530 %
 531 %  The format of the GetImageQuantumDepth method is:
 532 %
 533 %      size_t GetImageQuantumDepth(const Image *image,
 534 %        const MagickBooleanType constrain)
 535 %
 536 %  A description of each parameter follows:
 537 %
 538 %    o image: the image.
 539 %
 540 %    o constrain: A value other than MagickFalse, constrains the depth to
 541 %      a maximum of MAGICKCORE_QUANTUM_DEPTH.
 542 %
 543 */
 544
 545 static inline double MagickMin(const double x,const double y)
 546 {
 547   if (x < y)
 548     return(x);
 549   return(y);
 550 }
 551
 552 MagickExport size_t GetImageQuantumDepth(const Image *image,
 553   const MagickBooleanType constrain)
 554 {
 555   size_t
 556     depth;
 557
 558   depth=image->depth;
 559   if (depth <= 8)
 560     depth=8;
 561   else
 562     if (depth <= 16)
 563       depth=16;
 564     else
 565       if (depth <= 32)
 566         depth=32;
 567       else
 568         if (depth <= 64)
 569           depth=64;
 570   if (constrain != MagickFalse)
 571     depth=(size_t) MagickMin((double) depth,(double) MAGICKCORE_QUANTUM_DEPTH);
 572   return(depth);
 573 }
 574 \f
 575 /*
 576 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 577 %                                                                             %
 578 %                                                                             %
 579 %                                                                             %
 580 %   G e t I m a g e T y p e                                                   %
 581 %                                                                             %
 582 %                                                                             %
 583 %                                                                             %
 584 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 585 %
 586 %  GetImageType() returns the potential type of image:
 587 %
 588 %        Bilevel         Grayscale        GrayscaleMatte
 589 %        Palette         PaletteMatte     TrueColor
 590 %        TrueColorMatte  ColorSeparation  ColorSeparationMatte
 591 %
 592 %  To ensure the image type matches its potential, use SetImageType():
 593 %
 594 %    (void) SetImageType(image,GetImageType(image));
 595 %
 596 %  The format of the GetImageType method is:
 597 %
 598 %      ImageType GetImageType(const Image *image,ExceptionInfo *exception)
 599 %
 600 %  A description of each parameter follows:
 601 %
 602 %    o image: the image.
 603 %
 604 %    o exception: return any errors or warnings in this structure.
 605 %
 606 */
 607 MagickExport ImageType GetImageType(const Image *image,ExceptionInfo *exception)
 608 {
 609   assert(image != (Image *) NULL);
 610   assert(image->signature == MagickSignature);
 611   if (image->debug != MagickFalse)
 612     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 613   if (image->colorspace == CMYKColorspace)
 614     {
 615       if (image->alpha_trait != BlendPixelTrait)
 616         return(ColorSeparationType);
 617       return(ColorSeparationMatteType);
 618     }
 619   if (IsImageMonochrome(image,exception) != MagickFalse)
 620     return(BilevelType);
 621   if (IsImageGray(image,exception) != MagickFalse)
 622     {
 623       if (image->alpha_trait == BlendPixelTrait)
 624         return(GrayscaleMatteType);
 625       return(GrayscaleType);
 626     }
 627   if (IsPaletteImage(image,exception) != MagickFalse)
 628     {
 629       if (image->alpha_trait == BlendPixelTrait)
 630         return(PaletteMatteType);
 631       return(PaletteType);
 632     }
 633   if (image->alpha_trait == BlendPixelTrait)
 634     return(TrueColorMatteType);
 635   return(TrueColorType);
 636 }
 637 \f
 638 /*
 639 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 640 %                                                                             %
 641 %                                                                             %
 642 %                                                                             %
 643 %     I s I m a g e G r a y                                                   %
 644 %                                                                             %
 645 %                                                                             %
 646 %                                                                             %
 647 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 648 %
 649 %  IsImageGray() returns MagickTrue if all the pixels in the image have the
 650 %  same red, green, and blue intensities.
 651 %
 652 %  The format of the IsImageGray method is:
 653 %
 654 %      MagickBooleanType IsImageGray(const Image *image,
 655 %        ExceptionInfo *exception)
 656 %
 657 %  A description of each parameter follows:
 658 %
 659 %    o image: the image.
 660 %
 661 %    o exception: return any errors or warnings in this structure.
 662 %
 663 */
 664 MagickExport MagickBooleanType IsImageGray(const Image *image,
 665   ExceptionInfo *exception)
 666 {
 667   CacheView
 668     *image_view;
 669
 670   ImageType
 671     type;
 672
 673   register const Quantum
 674     *p;
 675
 676   register ssize_t
 677     x;
 678
 679   ssize_t
 680     y;
 681
 682   assert(image != (Image *) NULL);
 683   assert(image->signature == MagickSignature);
 684   if (image->debug != MagickFalse)
 685     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 686   if ((image->type == BilevelType) || (image->type == GrayscaleType) ||
 687       (image->type == GrayscaleMatteType))
 688     return(MagickTrue);
 689   if ((IsGrayColorspace(image->colorspace) == MagickFalse) &&
 690       (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse))
 691     return(MagickFalse);
 692   type=BilevelType;
 693   image_view=AcquireVirtualCacheView(image,exception);
 694   for (y=0; y < (ssize_t) image->rows; y++)
 695   {
 696     p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 697     if (p == (const Quantum *) NULL)
 698       break;
 699     for (x=0; x < (ssize_t) image->columns; x++)
 700     {
 701       if (IsPixelGray(image,p) == MagickFalse)
 702         {
 703           type=UndefinedType;
 704           break;
 705         }
 706       if ((type == BilevelType) &&
 707           (IsPixelMonochrome(image,p) == MagickFalse))
 708         type=GrayscaleType;
 709       p+=GetPixelChannels(image);
 710     }
 711     if (type == UndefinedType)
 712       break;
 713   }
 714   image_view=DestroyCacheView(image_view);
 715   if (type == UndefinedType)
 716     return(MagickFalse);
 717   ((Image *) image)->type=type;
 718   if ((type == GrayscaleType) && (image->alpha_trait == BlendPixelTrait))
 719     ((Image *) image)->type=GrayscaleMatteType;
 720   return(MagickTrue);
 721 }
 722 \f
 723 /*
 724 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 725 %                                                                             %
 726 %                                                                             %
 727 %                                                                             %
 728 %   I s I m a g e M o n o c h r o m e                                         %
 729 %                                                                             %
 730 %                                                                             %
 731 %                                                                             %
 732 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 733 %
 734 %  IsImageMonochrome() returns MagickTrue if all the pixels in the image have
 735 %  the same red, green, and blue intensities and the intensity is either
 736 %  0 or QuantumRange.
 737 %
 738 %  The format of the IsImageMonochrome method is:
 739 %
 740 %      MagickBooleanType IsImageMonochrome(const Image *image,
 741 %        ExceptionInfo *exception)
 742 %
 743 %  A description of each parameter follows:
 744 %
 745 %    o image: the image.
 746 %
 747 %    o exception: return any errors or warnings in this structure.
 748 %
 749 */
 750 MagickExport MagickBooleanType IsImageMonochrome(const Image *image,
 751   ExceptionInfo *exception)
 752 {
 753   CacheView
 754     *image_view;
 755
 756   ImageType
 757     type;
 758
 759   register ssize_t
 760     x;
 761
 762   register const Quantum
 763     *p;
 764
 765   ssize_t
 766     y;
 767
 768   assert(image != (Image *) NULL);
 769   assert(image->signature == MagickSignature);
 770   if (image->debug != MagickFalse)
 771     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 772   if (image->type == BilevelType)
 773     return(MagickTrue);
 774   if ((IsGrayColorspace(image->colorspace) == MagickFalse) &&
 775       (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse))
 776     return(MagickFalse);
 777   type=BilevelType;
 778   image_view=AcquireVirtualCacheView(image,exception);
 779   for (y=0; y < (ssize_t) image->rows; y++)
 780   {
 781     p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 782     if (p == (const Quantum *) NULL)
 783       break;
 784     for (x=0; x < (ssize_t) image->columns; x++)
 785     {
 786       if (IsPixelMonochrome(image,p) == MagickFalse)
 787         {
 788           type=UndefinedType;
 789           break;
 790         }
 791       p+=GetPixelChannels(image);
 792     }
 793     if (type == UndefinedType)
 794       break;
 795   }
 796   image_view=DestroyCacheView(image_view);
 797   if (type == UndefinedType)
 798     return(MagickFalse);
 799   ((Image *) image)->type=type;
 800   return(MagickTrue);
 801 }
 802 \f
 803 /*
 804 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 805 %                                                                             %
 806 %                                                                             %
 807 %                                                                             %
 808 %     I s I m a g e O p a q u e                                               %
 809 %                                                                             %
 810 %                                                                             %
 811 %                                                                             %
 812 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 813 %
 814 %  IsImageOpaque() returns MagickTrue if none of the pixels in the image have
 815 %  an alpha value other than OpaqueAlpha (QuantumRange).
 816 %
 817 %  Will return true immediatally is alpha channel is not available.
 818 %
 819 %  The format of the IsImageOpaque method is:
 820 %
 821 %      MagickBooleanType IsImageOpaque(const Image *image,
 822 %        ExceptionInfo *exception)
 823 %
 824 %  A description of each parameter follows:
 825 %
 826 %    o image: the image.
 827 %
 828 %    o exception: return any errors or warnings in this structure.
 829 %
 830 */
 831 MagickExport MagickBooleanType IsImageOpaque(const Image *image,
 832   ExceptionInfo *exception)
 833 {
 834   CacheView
 835     *image_view;
 836
 837   register const Quantum
 838     *p;
 839
 840   register ssize_t
 841     x;
 842
 843   ssize_t
 844     y;
 845
 846   /*
 847     Determine if image is opaque.
 848   */
 849   assert(image != (Image *) NULL);
 850   assert(image->signature == MagickSignature);
 851   if (image->debug != MagickFalse)
 852     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 853   if (image->alpha_trait != BlendPixelTrait)
 854     return(MagickTrue);
 855   image_view=AcquireVirtualCacheView(image,exception);
 856   for (y=0; y < (ssize_t) image->rows; y++)
 857   {
 858     p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
 859     if (p == (const Quantum *) NULL)
 860       break;
 861     for (x=0; x < (ssize_t) image->columns; x++)
 862     {
 863       if (GetPixelAlpha(image,p) != OpaqueAlpha)
 864         break;
 865       p+=GetPixelChannels(image);
 866     }
 867     if (x < (ssize_t) image->columns)
 868      break;
 869   }
 870   image_view=DestroyCacheView(image_view);
 871   return(y < (ssize_t) image->rows ? MagickFalse : MagickTrue);
 872 }
 873 \f
 874 /*
 875 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 876 %                                                                             %
 877 %                                                                             %
 878 %                                                                             %
 879 %   S e t I m a g e D e p t h                                                 %
 880 %                                                                             %
 881 %                                                                             %
 882 %                                                                             %
 883 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 884 %
 885 %  SetImageDepth() sets the depth of the image.
 886 %
 887 %  The format of the SetImageDepth method is:
 888 %
 889 %      MagickBooleanType SetImageDepth(Image *image,const size_t depth,
 890 %        ExceptionInfo *exception)
 891 %
 892 %  A description of each parameter follows:
 893 %
 894 %    o image: the image.
 895 %
 896 %    o channel: the channel.
 897 %
 898 %    o depth: the image depth.
 899 %
 900 %    o exception: return any errors or warnings in this structure.
 901 %
 902 */
 903 MagickExport MagickBooleanType SetImageDepth(Image *image,
 904   const size_t depth,ExceptionInfo *exception)
 905 {
 906   CacheView
 907     *image_view;
 908
 909   MagickBooleanType
 910     status;
 911
 912   QuantumAny
 913     range;
 914
 915   ssize_t
 916     y;
 917
 918   assert(image != (Image *) NULL);
 919   if (image->debug != MagickFalse)
 920     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
 921   assert(image->signature == MagickSignature);
 922   if (depth >= MAGICKCORE_QUANTUM_DEPTH)
 923     {
 924       image->depth=depth;
 925       return(MagickTrue);
 926     }
 927   range=GetQuantumRange(depth);
 928   if (image->storage_class == PseudoClass)
 929     {
 930       register ssize_t
 931         i;
 932
 933 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 934       #pragma omp parallel for schedule(static,4) shared(status) \
 935         magick_threads(image,image,1,1)
 936 #endif
 937       for (i=0; i < (ssize_t) image->colors; i++)
 938       {
 939         if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
 940           image->colormap[i].red=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
 941             ClampToQuantum(image->colormap[i].red),range),range);
 942         if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
 943           image->colormap[i].green=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
 944             ClampToQuantum(image->colormap[i].green),range),range);
 945         if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
 946           image->colormap[i].blue=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
 947             ClampToQuantum(image->colormap[i].blue),range),range);
 948         if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
 949           image->colormap[i].alpha=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
 950             ClampToQuantum(image->colormap[i].alpha),range),range);
 951       }
 952     }
 953   status=MagickTrue;
 954   image_view=AcquireAuthenticCacheView(image,exception);
 955 #if !defined(MAGICKCORE_HDRI_SUPPORT)
 956   if (QuantumRange <= MaxMap)
 957     {
 958       Quantum
 959         *depth_map;
 960
 961       register ssize_t
 962         i;
 963
 964       /*
 965         Scale pixels to desired (optimized with depth map).
 966       */
 967       depth_map=(Quantum *) AcquireQuantumMemory(MaxMap+1,sizeof(*depth_map));
 968       if (depth_map == (Quantum *) NULL)
 969         ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
 970       for (i=0; i <= (ssize_t) MaxMap; i++)
 971         depth_map[i]=ScaleAnyToQuantum(ScaleQuantumToAny((Quantum) i,range),
 972           range);
 973 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 974       #pragma omp parallel for schedule(static,4) shared(status) \
 975         magick_threads(image,image,image->rows,1)
 976 #endif
 977       for (y=0; y < (ssize_t) image->rows; y++)
 978       {
 979         register ssize_t
 980           x;
 981
 982         register Quantum
 983           *restrict q;
 984
 985         if (status == MagickFalse)
 986           continue;
 987         q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
 988           exception);
 989         if (q == (Quantum *) NULL)
 990           {
 991             status=MagickFalse;
 992             continue;
 993           }
 994         for (x=0; x < (ssize_t) image->columns; x++)
 995         {
 996           register ssize_t
 997             i;
 998
 999           if (GetPixelMask(image,q) == 0)
1000             {
1001               q+=GetPixelChannels(image);
1002               continue;
1003             }
1004           for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1005           {
1006             PixelChannel
1007               channel;
1008
1009             PixelTrait
1010               traits;
1011
1012             channel=GetPixelChannelChannel(image,i);
1013             traits=GetPixelChannelTraits(image,channel);
1014             if ((traits == UndefinedPixelTrait) ||
1015                 (channel == IndexPixelChannel) || (channel == MaskPixelChannel))
1016               continue;
1017             q[i]=depth_map[ScaleQuantumToMap(q[i])];
1018           }
1019           q+=GetPixelChannels(image);
1020         }
1021         if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1022           {
1023             status=MagickFalse;
1024             continue;
1025           }
1026       }
1027       image_view=DestroyCacheView(image_view);
1028       depth_map=(Quantum *) RelinquishMagickMemory(depth_map);
1029       if (status != MagickFalse)
1030         image->depth=depth;
1031       return(status);
1032     }
1033 #endif
1034   /*
1035     Scale pixels to desired depth.
1036   */
1037 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1038   #pragma omp parallel for schedule(static,4) shared(status) \
1039     magick_threads(image,image,image->rows,1)
1040 #endif
1041   for (y=0; y < (ssize_t) image->rows; y++)
1042   {
1043     register ssize_t
1044       x;
1045
1046     register Quantum
1047       *restrict q;
1048
1049     if (status == MagickFalse)
1050       continue;
1051     q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
1052     if (q == (Quantum *) NULL)
1053       {
1054         status=MagickFalse;
1055         continue;
1056       }
1057     for (x=0; x < (ssize_t) image->columns; x++)
1058     {
1059       register ssize_t
1060         i;
1061
1062       if (GetPixelMask(image,q) == 0)
1063         {
1064           q+=GetPixelChannels(image);
1065           continue;
1066         }
1067       for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1068       {
1069         PixelChannel
1070           channel;
1071
1072         PixelTrait
1073           traits;
1074
1075         channel=GetPixelChannelChannel(image,i);
1076         traits=GetPixelChannelTraits(image,channel);
1077         if ((traits == UndefinedPixelTrait) || (channel == IndexPixelChannel) ||
1078             (channel == MaskPixelChannel))
1079           continue;
1080         q[i]=ScaleAnyToQuantum(ScaleQuantumToAny(q[i],range),range);
1081       }
1082       q+=GetPixelChannels(image);
1083     }
1084     if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1085       {
1086         status=MagickFalse;
1087         continue;
1088       }
1089   }
1090   image_view=DestroyCacheView(image_view);
1091   if (status != MagickFalse)
1092     image->depth=depth;
1093   return(status);
1094 }
1095 \f
1096 /*
1097 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1098 %                                                                             %
1099 %                                                                             %
1100 %                                                                             %
1101 %   S e t I m a g e T y p e                                                   %
1102 %                                                                             %
1103 %                                                                             %
1104 %                                                                             %
1105 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1106 %
1107 %  SetImageType() sets the type of image.  Choose from these types:
1108 %
1109 %        Bilevel        Grayscale       GrayscaleMatte
1110 %        Palette        PaletteMatte    TrueColor
1111 %        TrueColorMatte ColorSeparation ColorSeparationMatte
1112 %        OptimizeType
1113 %
1114 %  The format of the SetImageType method is:
1115 %
1116 %      MagickBooleanType SetImageType(Image *image,const ImageType type,
1117 %        ExceptionInfo *exception)
1118 %
1119 %  A description of each parameter follows:
1120 %
1121 %    o image: the image.
1122 %
1123 %    o type: Image type.
1124 %
1125 %    o exception: return any errors or warnings in this structure.
1126 %
1127 */
1128 MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type,
1129   ExceptionInfo *exception)
1130 {
1131   const char
1132     *artifact;
1133
1134   ImageInfo
1135     *image_info;
1136
1137   MagickBooleanType
1138     status;
1139
1140   QuantizeInfo
1141     *quantize_info;
1142
1143   assert(image != (Image *) NULL);
1144   if (image->debug != MagickFalse)
1145     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1146   assert(image->signature == MagickSignature);
1147   status=MagickTrue;
1148   image_info=AcquireImageInfo();
1149   image_info->dither=image->dither;
1150   artifact=GetImageArtifact(image,"dither");
1151   if (artifact != (const char *) NULL)
1152     (void) SetImageOption(image_info,"dither",artifact);
1153   switch (type)
1154   {
1155     case BilevelType:
1156     {
1157       if (IsImageMonochrome(image,exception) == MagickFalse)
1158         {
1159           quantize_info=AcquireQuantizeInfo(image_info);
1160           quantize_info->number_colors=2;
1161           quantize_info->colorspace=GRAYColorspace;
1162           status=QuantizeImage(quantize_info,image,exception);
1163           quantize_info=DestroyQuantizeInfo(quantize_info);
1164         }
1165       image->alpha_trait=UndefinedPixelTrait;
1166       break;
1167     }
1168     case GrayscaleType:
1169     {
1170       if (IsImageGray(image,exception) == MagickFalse)
1171         status=TransformImageColorspace(image,GRAYColorspace,exception);
1172       image->alpha_trait=UndefinedPixelTrait;
1173       break;
1174     }
1175     case GrayscaleMatteType:
1176     {
1177       if (IsImageGray(image,exception) == MagickFalse)
1178         status=TransformImageColorspace(image,GRAYColorspace,exception);
1179       if (image->alpha_trait != BlendPixelTrait)
1180         (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
1181       break;
1182     }
1183     case PaletteType:
1184     {
1185       if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1186         status=TransformImageColorspace(image,sRGBColorspace,exception);
1187       if ((image->storage_class == DirectClass) || (image->colors > 256))
1188         {
1189           quantize_info=AcquireQuantizeInfo(image_info);
1190           quantize_info->number_colors=256;
1191           status=QuantizeImage(quantize_info,image,exception);
1192           quantize_info=DestroyQuantizeInfo(quantize_info);
1193         }
1194       image->alpha_trait=UndefinedPixelTrait;
1195       break;
1196     }
1197     case PaletteBilevelMatteType:
1198     {
1199       ChannelType
1200         channel_mask;
1201
1202       if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1203         status=TransformImageColorspace(image,sRGBColorspace,exception);
1204       if (image->alpha_trait != BlendPixelTrait)
1205         (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
1206       channel_mask=SetImageChannelMask(image,AlphaChannel);
1207       (void) BilevelImage(image,(double) QuantumRange/2.0,exception);
1208       (void) SetImageChannelMask(image,channel_mask);
1209       quantize_info=AcquireQuantizeInfo(image_info);
1210       status=QuantizeImage(quantize_info,image,exception);
1211       quantize_info=DestroyQuantizeInfo(quantize_info);
1212       break;
1213     }
1214     case PaletteMatteType:
1215     {
1216       if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1217         status=TransformImageColorspace(image,sRGBColorspace,exception);
1218       if (image->alpha_trait != BlendPixelTrait)
1219         (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
1220       quantize_info=AcquireQuantizeInfo(image_info);
1221       quantize_info->colorspace=TransparentColorspace;
1222       status=QuantizeImage(quantize_info,image,exception);
1223       quantize_info=DestroyQuantizeInfo(quantize_info);
1224       break;
1225     }
1226     case TrueColorType:
1227     {
1228       if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1229         status=TransformImageColorspace(image,sRGBColorspace,exception);
1230       if (image->storage_class != DirectClass)
1231         status=SetImageStorageClass(image,DirectClass,exception);
1232       image->alpha_trait=UndefinedPixelTrait;
1233       break;
1234     }
1235     case TrueColorMatteType:
1236     {
1237       if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1238         status=TransformImageColorspace(image,sRGBColorspace,exception);
1239       if (image->storage_class != DirectClass)
1240         status=SetImageStorageClass(image,DirectClass,exception);
1241       if (image->alpha_trait != BlendPixelTrait)
1242         (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
1243       break;
1244     }
1245     case ColorSeparationType:
1246     {
1247       if (image->colorspace != CMYKColorspace)
1248         {
1249           if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1250             status=TransformImageColorspace(image,sRGBColorspace,exception);
1251           status=TransformImageColorspace(image,CMYKColorspace,exception);
1252         }
1253       if (image->storage_class != DirectClass)
1254         status=SetImageStorageClass(image,DirectClass,exception);
1255       image->alpha_trait=UndefinedPixelTrait;
1256       break;
1257     }
1258     case ColorSeparationMatteType:
1259     {
1260       if (image->colorspace != CMYKColorspace)
1261         {
1262           if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
1263             status=TransformImageColorspace(image,sRGBColorspace,exception);
1264           status=TransformImageColorspace(image,CMYKColorspace,exception);
1265         }
1266       if (image->storage_class != DirectClass)
1267         status=SetImageStorageClass(image,DirectClass,exception);
1268       if (image->alpha_trait != BlendPixelTrait)
1269         status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
1270       break;
1271     }
1272     case OptimizeType:
1273     case UndefinedType:
1274       break;
1275   }
1276   image->type=type;
1277   image_info=DestroyImageInfo(image_info);
1278   return(status);
1279 }