root/wand/wand-view.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. CloneWandView
  2. DestroyPixelsThreadSet
  3. DestroyWandView
  4. DuplexTransferWandViewIterator
  5. GetWandViewException
  6. GetWandViewExtent
  7. GetWandViewIterator
  8. GetWandViewPixels
  9. GetWandViewWand
  10. IsWandView
  11. AcquirePixelsThreadSet
  12. NewWandView
  13. NewWandViewExtent
  14. SetWandViewDescription
  15. SetWandViewIterator
  16. SetWandViewThreads
  17. TransferWandViewIterator
  18. UpdateWandViewIterator

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                        W   W   AAA   N   N  DDDD                            %
%                        W   W  A   A  NN  N  D   D                           %
%                        W W W  AAAAA  N N N  D   D                           %
%                        WW WW  A   A  N  NN  D   D                           %
%                        W   W  A   A  N   N  DDDD                            %
%                                                                             %
%                        V   V  IIIII  EEEEE  W   W                           %
%                        V   V    I    E      W   W                           %
%                        V   V    I    EEE    W W W                           %
%                         V V     I    E      WW WW                           %
%                          V    IIIII  EEEEE  W   W                           %
%                                                                             %
%                                                                             %
%                        MagickWand Wand View Methods                         %
%                                                                             %
%                              Software Design                                %
%                                   Cristy                                    %
%                                March 2003                                   %
%                                                                             %
%                                                                             %
%  Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization      %
%  dedicated to making software imaging solutions freely available.           %
%                                                                             %
%  You may not use this file except in compliance with the License.  You may  %
%  obtain a copy of the License at                                            %
%                                                                             %
%    http://www.imagemagick.org/script/license.php                            %
%                                                                             %
%  Unless required by applicable law or agreed to in writing, software        %
%  distributed under the License is distributed on an "AS IS" BASIS,          %
%  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
%  See the License for the specific language governing permissions and        %
%  limitations under the License.                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
%
*/

/*
  Include declarations.
*/
#include "wand/studio.h"
#include "wand/MagickWand.h"
#include "wand/magick-wand-private.h"
#include "wand/wand.h"
#include "magick/monitor-private.h"
#include "magick/thread-private.h"
/*
 Define declarations.
*/
#define WandViewId  "WandView"

/*
  Typedef declarations.
*/
struct _WandView
{
  size_t
    id;

  char
    name[MaxTextExtent],
    *description;

  RectangleInfo
    extent;

  MagickWand
    *wand;

  CacheView
    *view;

  size_t
    number_threads;

  PixelWand
    ***pixel_wands;

  ExceptionInfo
    *exception;

  MagickBooleanType
    debug;

  size_t
    signature;
};

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   C l o n e W a n d V i e w                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  CloneWandView() makes a copy of the specified wand view.
%
%  The format of the CloneWandView method is:
%
%      WandView *CloneWandView(const WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/
WandExport WandView *CloneWandView(const WandView *wand_view)
{
  WandView
    *clone_view;

  register ssize_t
    i;

  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  if (wand_view->debug != MagickFalse)
    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand_view->name);
  clone_view=(WandView *) AcquireMagickMemory(sizeof(*clone_view));
  if (clone_view == (WandView *) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      wand_view->name);
  (void) ResetMagickMemory(clone_view,0,sizeof(*clone_view));
  clone_view->id=AcquireWandId();
  (void) FormatLocaleString(clone_view->name,MaxTextExtent,"%s-%.20g",
    WandViewId,(double) clone_view->id);
  clone_view->description=ConstantString(wand_view->description);
  clone_view->view=CloneCacheView(wand_view->view);
  clone_view->extent=wand_view->extent;
  clone_view->number_threads=wand_view->number_threads;
  clone_view->exception=AcquireExceptionInfo();
  InheritException(clone_view->exception,wand_view->exception);
  for (i=0; i < (ssize_t) wand_view->number_threads; i++)
    clone_view->pixel_wands[i]=ClonePixelWands((const PixelWand **)
      wand_view->pixel_wands[i],wand_view->extent.width);
  clone_view->debug=wand_view->debug;
  if (clone_view->debug != MagickFalse)
    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_view->name);
  clone_view->signature=WandSignature;
  return(clone_view);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   D e s t r o y W a n d V i e w                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  DestroyWandView() deallocates memory associated with a wand view.
%
%  The format of the DestroyWandView method is:
%
%      WandView *DestroyWandView(WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/

static PixelWand ***DestroyPixelsThreadSet(PixelWand ***pixel_wands,
  const size_t number_wands,const size_t number_threads)
{
  register ssize_t
    i;

  assert(pixel_wands != (PixelWand ***) NULL);
  for (i=0; i < (ssize_t) number_threads; i++)
    if (pixel_wands[i] != (PixelWand **) NULL)
      pixel_wands[i]=DestroyPixelWands(pixel_wands[i],number_wands);
  pixel_wands=(PixelWand ***) RelinquishMagickMemory(pixel_wands);
  return(pixel_wands);
}

WandExport WandView *DestroyWandView(WandView *wand_view)
{
  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  wand_view->pixel_wands=DestroyPixelsThreadSet(wand_view->pixel_wands,
    wand_view->extent.width,wand_view->number_threads);
  wand_view->view=DestroyCacheView(wand_view->view);
  wand_view->exception=DestroyExceptionInfo(wand_view->exception);
  wand_view->signature=(~WandSignature);
  RelinquishWandId(wand_view->id);
  wand_view=(WandView *) RelinquishMagickMemory(wand_view);
  return(wand_view);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   D u p l e x T r a n s f e r W a n d V i e w I t e r a t o r               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  DuplexTransferWandViewIterator() iterates over three wand views in
%  parallel and calls your transfer method for each scanline of the view.  The
%  source and duplex pixel extent is not confined to the image canvas-- that is
%  you can include negative offsets or widths or heights that exceed the image
%  dimension.  However, the destination wand view is confined to the image
%  canvas-- that is no negative offsets or widths or heights that exceed the
%  image dimension are permitted.
%
%  The callback signature is:
%
%      MagickBooleanType DuplexTransferImageViewMethod(const WandView *source,
%        const WandView *duplex,WandView *destination,const ssize_t y,
%        const int thread_id,void *context)
%
%  Use this pragma if the view is not single threaded:
%
%    #pragma omp critical
%
%  to define a section of code in your callback transfer method that must be
%  executed by a single thread at a time.
%
%  The format of the DuplexTransferWandViewIterator method is:
%
%      MagickBooleanType DuplexTransferWandViewIterator(WandView *source,
%        WandView *duplex,WandView *destination,
%        DuplexTransferWandViewMethod transfer,void *context)
%
%  A description of each parameter follows:
%
%    o source: the source wand view.
%
%    o duplex: the duplex wand view.
%
%    o destination: the destination wand view.
%
%    o transfer: the transfer callback method.
%
%    o context: the user defined context.
%
*/
WandExport MagickBooleanType DuplexTransferWandViewIterator(WandView *source,
  WandView *duplex,WandView *destination,DuplexTransferWandViewMethod transfer,
  void *context)
{
  ExceptionInfo
    *exception;

  Image
    *destination_image,
    *duplex_image,
    *source_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
  size_t
    height;
#endif

  ssize_t
    y;

  assert(source != (WandView *) NULL);
  assert(source->signature == WandSignature);
  if (transfer == (DuplexTransferWandViewMethod) NULL)
    return(MagickFalse);
  source_image=source->wand->images;
  duplex_image=duplex->wand->images;
  destination_image=destination->wand->images;
  if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse)
    return(MagickFalse);
  status=MagickTrue;
  progress=0;
  exception=destination->exception;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  height=(size_t) (source->extent.height-source->extent.y);
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    magick_threads(source_image,destination_image,height,1)
#endif
  for (y=source->extent.y; y < (ssize_t) source->extent.height; y++)
  {
    const int
      id = GetOpenMPThreadId();

    MagickBooleanType
      sync;

    register const IndexPacket
      *magick_restrict duplex_indexes,
      *magick_restrict indexes;

    register const PixelPacket
      *magick_restrict duplex_pixels,
      *magick_restrict pixels;

    register IndexPacket
      *magick_restrict destination_indexes;

    register ssize_t
      x;

    register PixelPacket
      *magick_restrict destination_pixels;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewVirtualPixels(source->view,source->extent.x,y,
      source->extent.width,1,source->exception);
    if (pixels == (const PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewVirtualIndexQueue(source->view);
    for (x=0; x < (ssize_t) source->extent.width; x++)
      PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x);
    if (source_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetBlackQuantum(source->pixel_wands[id][x],
          GetPixelBlack(indexes+x));
    if (source_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetIndex(source->pixel_wands[id][x],
          GetPixelIndex(indexes+x));
    duplex_pixels=GetCacheViewVirtualPixels(duplex->view,duplex->extent.x,y,
      duplex->extent.width,1,duplex->exception);
    if (duplex_pixels == (const PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    duplex_indexes=GetCacheViewVirtualIndexQueue(duplex->view);
    for (x=0; x < (ssize_t) duplex->extent.width; x++)
      PixelSetQuantumColor(duplex->pixel_wands[id][x],duplex_pixels+x);
    if (duplex_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) duplex->extent.width; x++)
        PixelSetBlackQuantum(duplex->pixel_wands[id][x],
          GetPixelBlack(duplex_indexes+x));
    if (duplex_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) duplex->extent.width; x++)
        PixelSetIndex(duplex->pixel_wands[id][x],
          GetPixelIndex(duplex_indexes+x));
    destination_pixels=GetCacheViewAuthenticPixels(destination->view,
      destination->extent.x,y,destination->extent.width,1,exception);
    if (destination_pixels == (PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    destination_indexes=GetCacheViewAuthenticIndexQueue(destination->view);
    for (x=0; x < (ssize_t) destination->extent.width; x++)
      PixelSetQuantumColor(destination->pixel_wands[id][x],
        destination_pixels+x);
    if (destination_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        PixelSetBlackQuantum(destination->pixel_wands[id][x],
          GetPixelBlack(destination_indexes+x));
    if (destination_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        PixelSetIndex(destination->pixel_wands[id][x],
          GetPixelIndex(destination_indexes+x));
    if (transfer(source,duplex,destination,y,id,context) == MagickFalse)
      status=MagickFalse;
    for (x=0; x < (ssize_t) destination->extent.width; x++)
      PixelGetQuantumColor(destination->pixel_wands[id][x],
        destination_pixels+x);
    if (destination_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        SetPixelBlack(destination_indexes+x,PixelGetBlackQuantum(
          destination->pixel_wands[id][x]));
    sync=SyncCacheViewAuthenticPixels(destination->view,exception);
    if (sync == MagickFalse)
      {
        InheritException(destination->exception,GetCacheViewException(
          source->view));
        status=MagickFalse;
      }
    if (source_image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickWand_DuplexTransferWandViewIterator)
#endif
        proceed=SetImageProgress(source_image,source->description,progress++,
          source->extent.height);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  return(status);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   G e t W a n d V i e w E x c e p t i o n                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  GetWandViewException() returns the severity, reason, and description of any
%  error that occurs when utilizing a wand view.
%
%  The format of the GetWandViewException method is:
%
%      char *GetWandViewException(const WandView *wand_view,
%        ExceptionType *severity)
%
%  A description of each parameter follows:
%
%    o wand_view: the pixel wand_view.
%
%    o severity: the severity of the error is returned here.
%
*/
WandExport char *GetWandViewException(const WandView *wand_view,
  ExceptionType *severity)
{
  char
    *description;

  assert(wand_view != (const WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  if (wand_view->debug != MagickFalse)
    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand_view->name);
  assert(severity != (ExceptionType *) NULL);
  *severity=wand_view->exception->severity;
  description=(char *) AcquireQuantumMemory(2UL*MaxTextExtent,
    sizeof(*description));
  if (description == (char *) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      wand_view->name);
  *description='\0';
  if (wand_view->exception->reason != (char *) NULL)
    (void) CopyMagickString(description,GetLocaleExceptionMessage(
      wand_view->exception->severity,wand_view->exception->reason),
        MaxTextExtent);
  if (wand_view->exception->description != (char *) NULL)
    {
      (void) ConcatenateMagickString(description," (",MaxTextExtent);
      (void) ConcatenateMagickString(description,GetLocaleExceptionMessage(
        wand_view->exception->severity,wand_view->exception->description),
        MaxTextExtent);
      (void) ConcatenateMagickString(description,")",MaxTextExtent);
    }
  return(description);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   G e t W a n d V i e w E x t e n t                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  GetWandViewExtent() returns the wand view extent.
%
%  The format of the GetWandViewExtent method is:
%
%      RectangleInfo GetWandViewExtent(const WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/
WandExport RectangleInfo GetWandViewExtent(const WandView *wand_view)
{
  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  return(wand_view->extent);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   G e t W a n d V i e w I t e r a t o r                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  GetWandViewIterator() iterates over the wand view in parallel and calls
%  your get method for each scanline of the view.  The pixel extent is
%  not confined to the image canvas-- that is you can include negative offsets
%  or widths or heights that exceed the image dimension.  Any updates to
%  the pixels in your callback are ignored.
%
%  The callback signature is:
%
%      MagickBooleanType GetImageViewMethod(const WandView *source,
%        const ssize_t y,const int thread_id,void *context)
%
%  Use this pragma if the view is not single threaded:
%
%    #pragma omp critical
%
%  to define a section of code in your callback get method that must be
%  executed by a single thread at a time.
%
%  The format of the GetWandViewIterator method is:
%
%      MagickBooleanType GetWandViewIterator(WandView *source,
%        GetWandViewMethod get,void *context)
%
%  A description of each parameter follows:
%
%    o source: the source wand view.
%
%    o get: the get callback method.
%
%    o context: the user defined context.
%
*/
WandExport MagickBooleanType GetWandViewIterator(WandView *source,
  GetWandViewMethod get,void *context)
{
  Image
    *source_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
  size_t
    height;
#endif

  ssize_t
    y;

  assert(source != (WandView *) NULL);
  assert(source->signature == WandSignature);
  if (get == (GetWandViewMethod) NULL)
    return(MagickFalse);
  source_image=source->wand->images;
  status=MagickTrue;
  progress=0;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  height=(size_t) (source->extent.height-source->extent.y);
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    magick_threads(source_image,source_image,height,1)
#endif
  for (y=source->extent.y; y < (ssize_t) source->extent.height; y++)
  {
    const int
      id = GetOpenMPThreadId();

    register const IndexPacket
      *indexes;

    register const PixelPacket
      *pixels;

    register ssize_t
      x;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewVirtualPixels(source->view,source->extent.x,y,
      source->extent.width,1,source->exception);
    if (pixels == (const PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewVirtualIndexQueue(source->view);
    for (x=0; x < (ssize_t) source->extent.width; x++)
      PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x);
    if (source_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetBlackQuantum(source->pixel_wands[id][x],
          GetPixelBlack(indexes+x));
    if (source_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetIndex(source->pixel_wands[id][x],
          GetPixelIndex(indexes+x));
    if (get(source,y,id,context) == MagickFalse)
      status=MagickFalse;
    if (source_image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickWand_GetWandViewIterator)
#endif
        proceed=SetImageProgress(source_image,source->description,progress++,
          source->extent.height);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  return(status);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   G e t W a n d V i e w P i x e l s                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  GetWandViewPixels() returns the wand view pixel_wands.
%
%  The format of the GetWandViewPixels method is:
%
%      PixelWand *GetWandViewPixels(const WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/
WandExport PixelWand **GetWandViewPixels(const WandView *wand_view)
{
  const int
    id = GetOpenMPThreadId();

  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  return(wand_view->pixel_wands[id]);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   G e t W a n d V i e w W a n d                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  GetWandViewWand() returns the magick wand associated with the wand view.
%
%  The format of the GetWandViewWand method is:
%
%      MagickWand *GetWandViewWand(const WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/
WandExport MagickWand *GetWandViewWand(const WandView *wand_view)
{
  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  return(wand_view->wand);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   I s W a n d V i e w                                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  IsWandView() returns MagickTrue if the the parameter is verified as a wand
%  view object.
%
%  The format of the IsWandView method is:
%
%      MagickBooleanType IsWandView(const WandView *wand_view)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
*/
WandExport MagickBooleanType IsWandView(const WandView *wand_view)
{
  size_t
    length;

  if (wand_view == (const WandView *) NULL)
    return(MagickFalse);
  if (wand_view->signature != WandSignature)
    return(MagickFalse);
  length=strlen(WandViewId);
  if (LocaleNCompare(wand_view->name,WandViewId,length) != 0)
    return(MagickFalse);
  return(MagickTrue);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   N e w W a n d V i e w                                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  NewWandView() returns a wand view required for all other methods in the
%  Wand View API.
%
%  The format of the NewWandView method is:
%
%      WandView *NewWandView(MagickWand *wand)
%
%  A description of each parameter follows:
%
%    o wand: the wand.
%
*/

static PixelWand ***AcquirePixelsThreadSet(const size_t number_wands,
  const size_t number_threads)
{
  PixelWand
    ***pixel_wands;

  register ssize_t
    i;

  pixel_wands=(PixelWand ***) AcquireQuantumMemory(number_threads,
    sizeof(*pixel_wands));
  if (pixel_wands == (PixelWand ***) NULL)
    return((PixelWand ***) NULL);
  (void) ResetMagickMemory(pixel_wands,0,number_threads*sizeof(*pixel_wands));
  for (i=0; i < (ssize_t) number_threads; i++)
  {
    pixel_wands[i]=NewPixelWands(number_wands);
    if (pixel_wands[i] == (PixelWand **) NULL)
      return(DestroyPixelsThreadSet(pixel_wands,number_wands,number_threads));
  }
  return(pixel_wands);
}

WandExport WandView *NewWandView(MagickWand *wand)
{
  WandView
    *wand_view;

  assert(wand != (MagickWand *) NULL);
  assert(wand->signature == WandSignature);
  wand_view=(WandView *) AcquireMagickMemory(sizeof(*wand_view));
  if (wand_view == (WandView *) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      GetExceptionMessage(errno));
  (void) ResetMagickMemory(wand_view,0,sizeof(*wand_view));
  wand_view->id=AcquireWandId();
  (void) FormatLocaleString(wand_view->name,MaxTextExtent,"%s-%.20g",
    WandViewId,(double) wand_view->id);
  wand_view->description=ConstantString("WandView");
  wand_view->wand=wand;
  wand_view->exception=AcquireExceptionInfo();
  wand_view->view=AcquireVirtualCacheView(wand_view->wand->images,
    wand_view->exception);
  wand_view->extent.width=wand->images->columns;
  wand_view->extent.height=wand->images->rows;
  wand_view->number_threads=GetOpenMPMaximumThreads();
  wand_view->pixel_wands=AcquirePixelsThreadSet(wand_view->extent.width,
    wand_view->number_threads);
  if (wand_view->pixel_wands == (PixelWand ***) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      GetExceptionMessage(errno));
  wand_view->debug=IsEventLogging();
  wand_view->signature=WandSignature;
  return(wand_view);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   N e w W a n d V i e w E x t e n t                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  NewWandViewExtent() returns a wand view required for all other methods
%  in the Wand View API.
%
%  The format of the NewWandViewExtent method is:
%
%      WandView *NewWandViewExtent(MagickWand *wand,const ssize_t x,
%        const ssize_t y,const size_t width,const size_t height)
%
%  A description of each parameter follows:
%
%    o wand: the magick wand.
%
%    o x,y,columns,rows:  These values define the perimeter of a extent of
%      pixel_wands view.
%
*/
WandExport WandView *NewWandViewExtent(MagickWand *wand,const ssize_t x,
  const ssize_t y,const size_t width,const size_t height)
{
  WandView
    *wand_view;

  assert(wand != (MagickWand *) NULL);
  assert(wand->signature == WandSignature);
  wand_view=(WandView *) AcquireMagickMemory(sizeof(*wand_view));
  if (wand_view == (WandView *) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      GetExceptionMessage(errno));
  (void) ResetMagickMemory(wand_view,0,sizeof(*wand_view));
  wand_view->id=AcquireWandId();
  (void) FormatLocaleString(wand_view->name,MaxTextExtent,"%s-%.20g",
    WandViewId,(double) wand_view->id);
  wand_view->description=ConstantString("WandView");
  wand_view->exception=AcquireExceptionInfo();
  wand_view->view=AcquireVirtualCacheView(wand_view->wand->images,
    wand_view->exception);
  wand_view->wand=wand;
  wand_view->extent.width=width;
  wand_view->extent.height=height;
  wand_view->extent.x=x;
  wand_view->extent.y=y;
  wand_view->number_threads=GetOpenMPMaximumThreads();
  wand_view->pixel_wands=AcquirePixelsThreadSet(wand_view->extent.width,
    wand_view->number_threads);
  if (wand_view->pixel_wands == (PixelWand ***) NULL)
    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",
      GetExceptionMessage(errno));
  wand_view->debug=IsEventLogging();
  wand_view->signature=WandSignature;
  return(wand_view);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S e t W a n d V i e w D e s c r i p t i o n                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SetWandViewDescription() associates a description with an image view.
%
%  The format of the SetWandViewDescription method is:
%
%      void SetWandViewDescription(WandView *image_view,const char *description)
%
%  A description of each parameter follows:
%
%    o wand_view: the wand view.
%
%    o description: the wand view description.
%
*/
MagickExport void SetWandViewDescription(WandView *wand_view,
  const char *description)
{
  assert(wand_view != (WandView *) NULL);
  assert(wand_view->signature == WandSignature);
  wand_view->description=ConstantString(description);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S e t W a n d V i e w I t e r a t o r                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SetWandViewIterator() iterates over the wand view in parallel and calls
%  your set method for each scanline of the view.  The pixel extent is
%  confined to the image canvas-- that is no negative offsets or widths or
%  heights that exceed the image dimension.  The pixels are initiallly
%  undefined and any settings you make in the callback method are automagically
%  synced back to your image.
%
%  The callback signature is:
%
%      MagickBooleanType SetImageViewMethod(ImageView *destination,
%        const ssize_t y,const int thread_id,void *context)
%
%  Use this pragma if the view is not single threaded:
%
%    #pragma omp critical
%
%  to define a section of code in your callback set method that must be
%  executed by a single thread at a time.
%
%  The format of the SetWandViewIterator method is:
%
%      MagickBooleanType SetWandViewIterator(WandView *destination,
%        SetWandViewMethod set,void *context)
%
%  A description of each parameter follows:
%
%    o destination: the wand view.
%
%    o set: the set callback method.
%
%    o context: the user defined context.
%
*/
WandExport MagickBooleanType SetWandViewIterator(WandView *destination,
  SetWandViewMethod set,void *context)
{
  ExceptionInfo
    *exception;

  Image
    *destination_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
  size_t
    height;
#endif

  ssize_t
    y;

  assert(destination != (WandView *) NULL);
  assert(destination->signature == WandSignature);
  if (set == (SetWandViewMethod) NULL)
    return(MagickFalse);
  destination_image=destination->wand->images;
  if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse)
    return(MagickFalse);
  status=MagickTrue;
  progress=0;
  exception=destination->exception;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  height=(size_t) (destination->extent.height-destination->extent.y);
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    magick_threads(destination_image,destination_image,height,1)
#endif
  for (y=destination->extent.y; y < (ssize_t) destination->extent.height; y++)
  {
    const int
      id = GetOpenMPThreadId();

    MagickBooleanType
      sync;

    register IndexPacket
      *magick_restrict indexes;

    register ssize_t
      x;

    register PixelPacket
      *magick_restrict pixels;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewAuthenticPixels(destination->view,destination->extent.x,
      y,destination->extent.width,1,exception);
    if (pixels == (PixelPacket *) NULL)
      {
        InheritException(destination->exception,GetCacheViewException(
          destination->view));
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewAuthenticIndexQueue(destination->view);
    if (set(destination,y,id,context) == MagickFalse)
      status=MagickFalse;
    for (x=0; x < (ssize_t) destination->extent.width; x++)
      PixelGetQuantumColor(destination->pixel_wands[id][x],pixels+x);
    if (destination_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        SetPixelBlack(indexes+x,PixelGetBlackQuantum(
          destination->pixel_wands[id][x]));
    sync=SyncCacheViewAuthenticPixels(destination->view,exception);
    if (sync == MagickFalse)
      {
        InheritException(destination->exception,GetCacheViewException(
          destination->view));
        status=MagickFalse;
      }
    if (destination_image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickWand_SetWandViewIterator)
#endif
        proceed=SetImageProgress(destination_image,destination->description,
          progress++,destination->extent.height);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  return(status);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S e t W a n d V i e w T h r e a d s                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SetWandViewThreads() sets the number of threads in a thread team.
%
%  The format of the SetWandViewDescription method is:
%
%      void SetWandViewThreads(WandView *image_view,
%        const size_t number_threads)
%
%  A description of each parameter follows:
%
%    o image_view: the image view.
%
%    o number_threads: the number of threads in a thread team.
%
*/
MagickExport void SetWandViewThreads(WandView *image_view,
  const size_t number_threads)
{
  assert(image_view != (WandView *) NULL);
  assert(image_view->signature == MagickSignature);
  image_view->number_threads=number_threads;
  if (number_threads > (size_t) GetMagickResourceLimit(ThreadResource))
    image_view->number_threads=GetOpenMPMaximumThreads();
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   T r a n s f e r W a n d V i e w I t e r a t o r                           %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  TransferWandViewIterator() iterates over two wand views in parallel and
%  calls your transfer method for each scanline of the view.  The source pixel
%  extent is not confined to the image canvas-- that is you can include
%  negative offsets or widths or heights that exceed the image dimension.
%  However, the destination wand view is confined to the image canvas-- that
%  is no negative offsets or widths or heights that exceed the image dimension
%  are permitted.
%
%  The callback signature is:
%
%      MagickBooleanType TransferImageViewMethod(const WandView *source,
%        WandView *destination,const ssize_t y,const int thread_id,
%        void *context)
%
%  Use this pragma if the view is not single threaded:
%
%    #pragma omp critical
%
%  to define a section of code in your callback transfer method that must be
%  executed by a single thread at a time.
%
%  The format of the TransferWandViewIterator method is:
%
%      MagickBooleanType TransferWandViewIterator(WandView *source,
%        WandView *destination,TransferWandViewMethod transfer,void *context)
%
%  A description of each parameter follows:
%
%    o source: the source wand view.
%
%    o destination: the destination wand view.
%
%    o transfer: the transfer callback method.
%
%    o context: the user defined context.
%
*/
WandExport MagickBooleanType TransferWandViewIterator(WandView *source,
  WandView *destination,TransferWandViewMethod transfer,void *context)
{
  ExceptionInfo
    *exception;

  Image
    *destination_image,
    *source_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
  size_t
    height;
#endif

  ssize_t
    y;

  assert(source != (WandView *) NULL);
  assert(source->signature == WandSignature);
  if (transfer == (TransferWandViewMethod) NULL)
    return(MagickFalse);
  source_image=source->wand->images;
  destination_image=destination->wand->images;
  if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse)
    return(MagickFalse);
  status=MagickTrue;
  progress=0;
  exception=destination->exception;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  height=(size_t) (source->extent.height-source->extent.y);
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    magick_threads(source_image,destination_image,height,1)
#endif
  for (y=source->extent.y; y < (ssize_t) source->extent.height; y++)
  {
    const int
      id = GetOpenMPThreadId();

    MagickBooleanType
      sync;

    register const IndexPacket
      *magick_restrict indexes;

    register const PixelPacket
      *magick_restrict pixels;

    register IndexPacket
      *magick_restrict destination_indexes;

    register ssize_t
      x;

    register PixelPacket
      *magick_restrict destination_pixels;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewVirtualPixels(source->view,source->extent.x,y,
      source->extent.width,1,source->exception);
    if (pixels == (const PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewVirtualIndexQueue(source->view);
    for (x=0; x < (ssize_t) source->extent.width; x++)
      PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x);
    if (source_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetBlackQuantum(source->pixel_wands[id][x],
          GetPixelBlack(indexes+x));
    if (source_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetIndex(source->pixel_wands[id][x],
          GetPixelIndex(indexes+x));
    destination_pixels=GetCacheViewAuthenticPixels(destination->view,
      destination->extent.x,y,destination->extent.width,1,exception);
    if (destination_pixels == (PixelPacket *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    destination_indexes=GetCacheViewAuthenticIndexQueue(destination->view);
    for (x=0; x < (ssize_t) destination->extent.width; x++)
      PixelSetQuantumColor(destination->pixel_wands[id][x],pixels+x);
    if (destination_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        PixelSetBlackQuantum(destination->pixel_wands[id][x],
          GetPixelBlack(indexes+x));
    if (destination_image->storage_class == PseudoClass)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        PixelSetIndex(destination->pixel_wands[id][x],
          GetPixelIndex(indexes+x));
    if (transfer(source,destination,y,id,context) == MagickFalse)
      status=MagickFalse;
    for (x=0; x < (ssize_t) destination->extent.width; x++)
      PixelGetQuantumColor(destination->pixel_wands[id][x],
        destination_pixels+x);
    if (destination_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) destination->extent.width; x++)
        SetPixelBlack(destination_indexes+x,PixelGetBlackQuantum(
          destination->pixel_wands[id][x]));
    sync=SyncCacheViewAuthenticPixels(destination->view,exception);
    if (sync == MagickFalse)
      {
        InheritException(destination->exception,GetCacheViewException(
          source->view));
        status=MagickFalse;
      }
    if (source_image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickWand_TransferWandViewIterator)
#endif
        proceed=SetImageProgress(source_image,source->description,progress++,
          source->extent.height);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  return(status);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   U p d a t e W a n d V i e w I t e r a t o r                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  UpdateWandViewIterator() iterates over the wand view in parallel and calls
%  your update method for each scanline of the view.  The pixel extent is
%  confined to the image canvas-- that is no negative offsets or widths or
%  heights that exceed the image dimension are permitted.  Updates to pixels
%  in your callback are automagically synced back to the image.
%
%  The callback signature is:
%
%      MagickBooleanType UpdateImageViewMethod(WandView *source,const ssize_t y,
%        const int thread_id,void *context)
%
%  Use this pragma if the view is not single threaded:
%
%    #pragma omp critical
%
%  to define a section of code in your callback update method that must be
%  executed by a single thread at a time.
%
%  The format of the UpdateWandViewIterator method is:
%
%      MagickBooleanType UpdateWandViewIterator(WandView *source,
%        UpdateWandViewMethod update,void *context)
%
%  A description of each parameter follows:
%
%    o source: the source wand view.
%
%    o update: the update callback method.
%
%    o context: the user defined context.
%
*/
WandExport MagickBooleanType UpdateWandViewIterator(WandView *source,
  UpdateWandViewMethod update,void *context)
{
  ExceptionInfo
    *exception;

  Image
    *source_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
  size_t
    height;
#endif

  ssize_t
    y;

  assert(source != (WandView *) NULL);
  assert(source->signature == WandSignature);
  if (update == (UpdateWandViewMethod) NULL)
    return(MagickFalse);
  source_image=source->wand->images;
  if (SetImageStorageClass(source_image,DirectClass) == MagickFalse)
    return(MagickFalse);
  status=MagickTrue;
  progress=0;
  exception=source->exception;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  height=(size_t) (source->extent.height-source->extent.y);
  #pragma omp parallel for schedule(static,4) shared(progress,status) \
    magick_threads(source_image,source_image,height,1)
#endif
  for (y=source->extent.y; y < (ssize_t) source->extent.height; y++)
  {
    const int
      id = GetOpenMPThreadId();

    register IndexPacket
      *magick_restrict indexes;

    register ssize_t
      x;

    register PixelPacket
      *magick_restrict pixels;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewAuthenticPixels(source->view,source->extent.x,y,
      source->extent.width,1,exception);
    if (pixels == (PixelPacket *) NULL)
      {
        InheritException(source->exception,GetCacheViewException(
          source->view));
        status=MagickFalse;
        continue;
      }
    indexes=GetCacheViewAuthenticIndexQueue(source->view);
    for (x=0; x < (ssize_t) source->extent.width; x++)
      PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x);
    if (source_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        PixelSetBlackQuantum(source->pixel_wands[id][x],
          GetPixelBlack(indexes+x));
    if (update(source,y,id,context) == MagickFalse)
      status=MagickFalse;
    for (x=0; x < (ssize_t) source->extent.width; x++)
      PixelGetQuantumColor(source->pixel_wands[id][x],pixels+x);
    if (source_image->colorspace == CMYKColorspace)
      for (x=0; x < (ssize_t) source->extent.width; x++)
        SetPixelBlack(indexes+x,PixelGetBlackQuantum(
          source->pixel_wands[id][x]));
    if (SyncCacheViewAuthenticPixels(source->view,exception) == MagickFalse)
      {
        InheritException(source->exception,GetCacheViewException(source->view));
        status=MagickFalse;
      }
    if (source_image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
        #pragma omp critical (MagickWand_UpdateWandViewIterator)
#endif
        proceed=SetImageProgress(source_image,source->description,progress++,
          source->extent.height);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  return(status);
}

/* [<][>][^][v][top][bottom][index][help] */