Exemplo n.º 1
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S e t I m a g e D e p t h                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SetImageDepth() sets the depth of the image.
%
%  The format of the SetImageDepth method is:
%
%      MagickBooleanType SetImageDepth(Image *image,const size_t depth,
%        ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
%    o channel: the channel.
%
%    o depth: the image depth.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType SetImageDepth(Image *image,
  const size_t depth,ExceptionInfo *exception)
{
  CacheView
    *image_view;

  MagickBooleanType
    status;

  QuantumAny
    range;

  ssize_t
    y;

  assert(image != (Image *) NULL);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
  assert(image->signature == MagickSignature);
  if (depth >= MAGICKCORE_QUANTUM_DEPTH)
    {
      image->depth=depth;
      return(MagickTrue);
    }
  range=GetQuantumRange(depth);
  if (image->storage_class == PseudoClass)
    {
      register ssize_t
        i;

#if defined(MAGICKCORE_OPENMP_SUPPORT)
      #pragma omp parallel for schedule(static,4) shared(status) \
        magick_threads(image,image,1,1)
#endif
      for (i=0; i < (ssize_t) image->colors; i++)
      {
        if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
          image->colormap[i].red=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
            ClampToQuantum(image->colormap[i].red),range),range);
        if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
          image->colormap[i].green=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
            ClampToQuantum(image->colormap[i].green),range),range);
        if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
          image->colormap[i].blue=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
            ClampToQuantum(image->colormap[i].blue),range),range);
        if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
          image->colormap[i].alpha=(double) ScaleAnyToQuantum(ScaleQuantumToAny(
            ClampToQuantum(image->colormap[i].alpha),range),range);
      }
    }
  status=MagickTrue;
  image_view=AcquireAuthenticCacheView(image,exception);
#if !defined(MAGICKCORE_HDRI_SUPPORT)
  if (QuantumRange <= MaxMap)
    {
      Quantum
        *depth_map;

      register ssize_t
        i;

      /*
        Scale pixels to desired (optimized with depth map).
      */
      depth_map=(Quantum *) AcquireQuantumMemory(MaxMap+1,sizeof(*depth_map));
      if (depth_map == (Quantum *) NULL)
        ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
      for (i=0; i <= (ssize_t) MaxMap; i++)
        depth_map[i]=ScaleAnyToQuantum(ScaleQuantumToAny((Quantum) i,range),
          range);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
      #pragma omp parallel for schedule(static,4) shared(status) \
        magick_threads(image,image,image->rows,1)
#endif
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        register ssize_t
          x;

        register Quantum
          *restrict q;

        if (status == MagickFalse)
          continue;
        q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
          exception);
        if (q == (Quantum *) NULL)
          {
            status=MagickFalse;
            continue;
          }
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          register ssize_t
            i;

          if (GetPixelReadMask(image,q) == 0)
            {
              q+=GetPixelChannels(image);
              continue;
            }
          for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
          {
            PixelChannel
              channel;

            PixelTrait
              traits;

            channel=GetPixelChannelChannel(image,i);
            traits=GetPixelChannelTraits(image,channel);
            if ((traits == UndefinedPixelTrait) ||
                (channel == IndexPixelChannel) || (channel == ReadMaskPixelChannel))
              continue;
            q[i]=depth_map[ScaleQuantumToMap(q[i])];
          }
          q+=GetPixelChannels(image);
        }
        if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
          {
            status=MagickFalse;
            continue;
          }
      }
      image_view=DestroyCacheView(image_view);
      depth_map=(Quantum *) RelinquishMagickMemory(depth_map);
      if (status != MagickFalse)
        image->depth=depth;
      return(status);
    }
Exemplo n.º 2
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%     C o m b i n e I m a g e s                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  CombineImages() combines one or more images into a single image.  The
%  grayscale value of the pixels of each image in the sequence is assigned in
%  order to the specified channels of the combined image.   The typical
%  ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc.
%
%  The format of the CombineImages method is:
%
%      Image *CombineImages(const Image *images,const ColorspaceType colorspace,
%        ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o images: the image sequence.
%
%    o colorspace: the image colorspace.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *CombineImages(const Image *image,
  const ColorspaceType colorspace,ExceptionInfo *exception)
{
#define CombineImageTag  "Combine/Image"

  CacheView
    *combine_view;

  Image
    *combine_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

  ssize_t
    y;

  /*
    Ensure the image are the same size.
  */
  assert(image != (const Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  combine_image=CloneImage(image,0,0,MagickTrue,exception);
  if (combine_image == (Image *) NULL)
    return((Image *) NULL);
  if (SetImageStorageClass(combine_image,DirectClass,exception) == MagickFalse)
    {
      combine_image=DestroyImage(combine_image);
      return((Image *) NULL);
    }
  (void) SetImageColorspace(combine_image,colorspace,exception);
  if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
    combine_image->alpha_trait=BlendPixelTrait;
  /*
    Combine images.
  */
  status=MagickTrue;
  progress=0;
  combine_view=AcquireAuthenticCacheView(combine_image,exception);
  for (y=0; y < (ssize_t) combine_image->rows; y++)
  {
    CacheView
      *image_view;

    const Image
      *next;

    Quantum
      *pixels;

    register const Quantum
      *restrict p;

    register Quantum
      *restrict q;

    register ssize_t
      i;

    if (status == MagickFalse)
      continue;
    pixels=GetCacheViewAuthenticPixels(combine_view,0,y,combine_image->columns,
      1,exception);
    if (pixels == (Quantum *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    next=image;
    for (i=0; i < (ssize_t) GetPixelChannels(combine_image); i++)
    {
      register ssize_t
        x;

      PixelChannel channel=GetPixelChannelChannel(combine_image,i);
      PixelTrait traits=GetPixelChannelTraits(combine_image,channel);
      if (traits == UndefinedPixelTrait)
        continue;
      if (next == (Image *) NULL)
        continue;
      image_view=AcquireVirtualCacheView(next,exception);
      p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception);
      if (p == (const Quantum *) NULL)
        continue;
      q=pixels;
      for (x=0; x < (ssize_t) combine_image->columns; x++)
      {
        if (x < (ssize_t) next->columns)
          {
            q[i]=GetPixelGray(next,p);
            p+=GetPixelChannels(next);
          }
        q+=GetPixelChannels(combine_image);
      }
      image_view=DestroyCacheView(image_view);
      next=GetNextImageInList(next);
    }
    if (SyncCacheViewAuthenticPixels(combine_view,exception) == MagickFalse)
      status=MagickFalse;
    if (image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

        proceed=SetImageProgress(image,CombineImageTag,progress++,
          combine_image->rows);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  combine_view=DestroyCacheView(combine_view);
  if (status == MagickFalse)
    combine_image=DestroyImage(combine_image);
  return(combine_image);
}
Exemplo n.º 3
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   F r a m e I m a g e                                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  FrameImage() adds a simulated three-dimensional border around the image.
%  The color of the border is defined by the matte_color member of image.
%  Members width and height of frame_info specify the border width of the
%  vertical and horizontal sides of the frame.  Members inner and outer
%  indicate the width of the inner and outer shadows of the frame.
%
%  The format of the FrameImage method is:
%
%      Image *FrameImage(const Image *image,const FrameInfo *frame_info,
%        const CompositeOperator compose,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
%    o frame_info: Define the width and height of the frame and its bevels.
%
%    o compose: the composite operator.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *FrameImage(const Image *image,const FrameInfo *frame_info,
  const CompositeOperator compose,ExceptionInfo *exception)
{
#define FrameImageTag  "Frame/Image"

  CacheView
    *image_view,
    *frame_view;

  Image
    *frame_image;

  MagickBooleanType
    status;

  MagickOffsetType
    progress;

  PixelInfo
    accentuate,
    highlight,
    interior,
    matte,
    shadow,
    trough;

  register ssize_t
    x;

  size_t
    bevel_width,
    height,
    width;

  ssize_t
    y;

  /*
    Check frame geometry.
  */
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(frame_info != (FrameInfo *) NULL);
  if ((frame_info->outer_bevel < 0) || (frame_info->inner_bevel < 0))
    ThrowImageException(OptionError,"FrameIsLessThanImageSize");
  bevel_width=(size_t) (frame_info->outer_bevel+frame_info->inner_bevel);
  width=frame_info->width-frame_info->x-bevel_width;
  height=frame_info->height-frame_info->y-bevel_width;
  if ((width < image->columns) || (height < image->rows))
    ThrowImageException(OptionError,"FrameIsLessThanImageSize");
  /*
    Initialize framed image attributes.
  */
  frame_image=CloneImage(image,frame_info->width,frame_info->height,MagickTrue,
    exception);
  if (frame_image == (Image *) NULL)
    return((Image *) NULL);
  if (SetImageStorageClass(frame_image,DirectClass,exception) == MagickFalse)
    {
      frame_image=DestroyImage(frame_image);
      return((Image *) NULL);
    }
  if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
      (IsPixelInfoGray(&image->matte_color) == MagickFalse))
    SetImageColorspace(frame_image,sRGBColorspace,exception);
  if ((frame_image->border_color.matte != MagickFalse) &&
      (frame_image->matte == MagickFalse))
    (void) SetImageAlpha(frame_image,OpaqueAlpha,exception);
  frame_image->page=image->page;
  if ((image->page.width != 0) && (image->page.height != 0))
    {
      frame_image->page.width+=frame_image->columns-image->columns;
      frame_image->page.height+=frame_image->rows-image->rows;
    }
  /*
    Initialize 3D effects color.
  */
  interior=image->border_color;
  matte=image->matte_color;
  accentuate=matte;
  accentuate.red=(MagickRealType) (QuantumScale*((QuantumRange-
    AccentuateModulate)*matte.red+(QuantumRange*AccentuateModulate)));
  accentuate.green=(MagickRealType) (QuantumScale*((QuantumRange-
    AccentuateModulate)*matte.green+(QuantumRange*AccentuateModulate)));
  accentuate.blue=(MagickRealType) (QuantumScale*((QuantumRange-
    AccentuateModulate)*matte.blue+(QuantumRange*AccentuateModulate)));
  accentuate.black=(MagickRealType) (QuantumScale*((QuantumRange-
    AccentuateModulate)*matte.black+(QuantumRange*AccentuateModulate)));
  accentuate.alpha=matte.alpha;
  highlight=matte;
  highlight.red=(MagickRealType) (QuantumScale*((QuantumRange-
    HighlightModulate)*matte.red+(QuantumRange*HighlightModulate)));
  highlight.green=(MagickRealType) (QuantumScale*((QuantumRange-
    HighlightModulate)*matte.green+(QuantumRange*HighlightModulate)));
  highlight.blue=(MagickRealType) (QuantumScale*((QuantumRange-
    HighlightModulate)*matte.blue+(QuantumRange*HighlightModulate)));
  highlight.black=(MagickRealType) (QuantumScale*((QuantumRange-
    HighlightModulate)*matte.black+(QuantumRange*HighlightModulate)));
  highlight.alpha=matte.alpha;
  shadow=matte;
  shadow.red=QuantumScale*matte.red*ShadowModulate;
  shadow.green=QuantumScale*matte.green*ShadowModulate;
  shadow.blue=QuantumScale*matte.blue*ShadowModulate;
  shadow.black=QuantumScale*matte.black*ShadowModulate;
  shadow.alpha=matte.alpha;
  trough=matte;
  trough.red=QuantumScale*matte.red*TroughModulate;
  trough.green=QuantumScale*matte.green*TroughModulate;
  trough.blue=QuantumScale*matte.blue*TroughModulate;
  trough.black=QuantumScale*matte.black*TroughModulate;
  trough.alpha=matte.alpha;
  status=MagickTrue;
  progress=0;
  image_view=AcquireCacheView(image);
  frame_view=AcquireCacheView(frame_image);
  height=(size_t) (frame_info->outer_bevel+(frame_info->y-bevel_width)+
    frame_info->inner_bevel);
  if (height != 0)
    {
      register ssize_t
        x;

      register Quantum
        *restrict q;

      /*
        Draw top of ornamental border.
      */
      q=QueueCacheViewAuthenticPixels(frame_view,0,0,frame_image->columns,
        height,exception);
      if (q != (Quantum *) NULL)
        {
          /*
            Draw top of ornamental border.
          */
          for (y=0; y < (ssize_t) frame_info->outer_bevel; y++)
          {
            for (x=0; x < (ssize_t) (frame_image->columns-y); x++)
            {
              if (x < y)
                SetPixelInfoPixel(frame_image,&highlight,q);
              else
                SetPixelInfoPixel(frame_image,&accentuate,q);
              q+=GetPixelChannels(frame_image);
            }
            for ( ; x < (ssize_t) frame_image->columns; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          for (y=0; y < (ssize_t) (frame_info->y-bevel_width); y++)
          {
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            width=frame_image->columns-2*frame_info->outer_bevel;
            for (x=0; x < (ssize_t) width; x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          for (y=0; y < (ssize_t) frame_info->inner_bevel; y++)
          {
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            width=image->columns+((size_t) frame_info->inner_bevel << 1)-
              y;
            for (x=0; x < (ssize_t) width; x++)
            {
              if (x < y)
                SetPixelInfoPixel(frame_image,&shadow,q);
              else
                SetPixelInfoPixel(frame_image,&trough,q);
              q+=GetPixelChannels(frame_image);
            }
            for ( ; x < (ssize_t) (image->columns+2*frame_info->inner_bevel); x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            width=frame_info->width-frame_info->x-image->columns-bevel_width;
            for (x=0; x < (ssize_t) width; x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          (void) SyncCacheViewAuthenticPixels(frame_view,exception);
        }
    }
  /*
    Draw sides of ornamental border.
  */
#if defined(MAGICKCORE_OPENMP_SUPPORT) 
  #pragma omp parallel for schedule(static) shared(progress,status)
#endif
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    register ssize_t
      x;

    register Quantum
      *restrict q;

    size_t
      width;

    /*
      Initialize scanline with matte color.
    */
    if (status == MagickFalse)
      continue;
    q=QueueCacheViewAuthenticPixels(frame_view,0,frame_info->y+y,
      frame_image->columns,1,exception);
    if (q == (Quantum *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
    {
      SetPixelInfoPixel(frame_image,&highlight,q);
      q+=GetPixelChannels(frame_image);
    }
    for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++)
    {
      SetPixelInfoPixel(frame_image,&matte,q);
      q+=GetPixelChannels(frame_image);
    }
    for (x=0; x < (ssize_t) frame_info->inner_bevel; x++)
    {
      SetPixelInfoPixel(frame_image,&shadow,q);
      q+=GetPixelChannels(frame_image);
    }
    /*
      Set frame interior to interior color.
    */
    if ((compose != CopyCompositeOp) && ((compose != OverCompositeOp) ||
        (image->matte != MagickFalse)))
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        SetPixelInfoPixel(frame_image,&interior,q);
        q+=GetPixelChannels(frame_image);
      }
    else
      {
        register const Quantum
          *p;

        p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
          {
            status=MagickFalse;
            continue;
          }
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
            SetPixelRed(frame_image,GetPixelRed(image,p),q);
          if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
            SetPixelGreen(frame_image,GetPixelGreen(image,p),q);
          if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
            SetPixelBlue(frame_image,GetPixelBlue(image,p),q);
          if ((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0)
            SetPixelBlack(frame_image,GetPixelBlack(image,p),q);
          if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
            SetPixelAlpha(frame_image,GetPixelAlpha(image,p),q);
          p+=GetPixelChannels(image);
          q+=GetPixelChannels(frame_image);
        }
      }
    for (x=0; x < (ssize_t) frame_info->inner_bevel; x++)
    {
      SetPixelInfoPixel(frame_image,&highlight,q);
      q+=GetPixelChannels(frame_image);
    }
    width=frame_info->width-frame_info->x-image->columns-bevel_width;
    for (x=0; x < (ssize_t) width; x++)
    {
      SetPixelInfoPixel(frame_image,&matte,q);
      q+=GetPixelChannels(frame_image);
    }
    for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
    {
      SetPixelInfoPixel(frame_image,&shadow,q);
      q+=GetPixelChannels(frame_image);
    }
    if (SyncCacheViewAuthenticPixels(frame_view,exception) == MagickFalse)
      status=MagickFalse;
    if (image->progress_monitor != (MagickProgressMonitor) NULL)
      {
        MagickBooleanType
          proceed;

#if defined(MAGICKCORE_OPENMP_SUPPORT) 
        #pragma omp critical (MagickCore_FrameImage)
#endif
        proceed=SetImageProgress(image,FrameImageTag,progress++,image->rows);
        if (proceed == MagickFalse)
          status=MagickFalse;
      }
  }
  height=(size_t) (frame_info->inner_bevel+frame_info->height-
    frame_info->y-image->rows-bevel_width+frame_info->outer_bevel);
  if (height != 0)
    {
      register ssize_t
        x;

      register Quantum
        *restrict q;

      /*
        Draw bottom of ornamental border.
      */
      q=QueueCacheViewAuthenticPixels(frame_view,0,(ssize_t) (frame_image->rows-
        height),frame_image->columns,height,exception);
      if (q != (Quantum *) NULL)
        {
          /*
            Draw bottom of ornamental border.
          */
          for (y=frame_info->inner_bevel-1; y >= 0; y--)
          {
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) (frame_info->x-bevel_width); x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < y; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
            for ( ; x < (ssize_t) (image->columns+2*frame_info->inner_bevel); x++)
            {
              if (x >= (ssize_t) (image->columns+2*frame_info->inner_bevel-y))
                SetPixelInfoPixel(frame_image,&highlight,q);
              else
                SetPixelInfoPixel(frame_image,&accentuate,q);
              q+=GetPixelChannels(frame_image);
            }
            width=frame_info->width-frame_info->x-image->columns-bevel_width;
            for (x=0; x < (ssize_t) width; x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          height=frame_info->height-frame_info->y-image->rows-bevel_width;
          for (y=0; y < (ssize_t) height; y++)
          {
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            width=frame_image->columns-2*frame_info->outer_bevel;
            for (x=0; x < (ssize_t) width; x++)
            {
              SetPixelInfoPixel(frame_image,&matte,q);
              q+=GetPixelChannels(frame_image);
            }
            for (x=0; x < (ssize_t) frame_info->outer_bevel; x++)
            {
              SetPixelInfoPixel(frame_image,&shadow,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          for (y=frame_info->outer_bevel-1; y >= 0; y--)
          {
            for (x=0; x < y; x++)
            {
              SetPixelInfoPixel(frame_image,&highlight,q);
              q+=GetPixelChannels(frame_image);
            }
            for ( ; x < (ssize_t) frame_image->columns; x++)
            {
              if (x >= (ssize_t) (frame_image->columns-y))
                SetPixelInfoPixel(frame_image,&shadow,q);
              else
                SetPixelInfoPixel(frame_image,&trough,q);
              q+=GetPixelChannels(frame_image);
            }
          }
          (void) SyncCacheViewAuthenticPixels(frame_view,exception);
        }
    }
  frame_view=DestroyCacheView(frame_view);
  image_view=DestroyCacheView(image_view);
  if ((compose != CopyCompositeOp) && ((compose != OverCompositeOp) ||
      (image->matte != MagickFalse)))
    {
      x=(ssize_t) (frame_info->outer_bevel+(frame_info->x-bevel_width)+
        frame_info->inner_bevel);
      y=(ssize_t) (frame_info->outer_bevel+(frame_info->y-bevel_width)+
        frame_info->inner_bevel);
      (void) CompositeImage(frame_image,image,compose,MagickTrue,x,y,
        exception);
    }
  return(frame_image);
}
Exemplo n.º 4
0
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S e t I m a g e D e p t h                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SetImageDepth() sets the depth of the image.
%
%  The format of the SetImageDepth method is:
%
%      MagickBooleanType SetImageDepth(Image *image,const size_t depth,
%        ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
%    o channel: the channel.
%
%    o depth: the image depth.
%
%    o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType SetImageDepth(Image *image,
  const size_t depth,ExceptionInfo *exception)
{
  CacheView
    *image_view;

  MagickBooleanType
    status;

  QuantumAny
    range;

  ssize_t
    y;

  assert(image != (Image *) NULL);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
  assert(image->signature == MagickSignature);
  if (GetImageDepth(image,exception) <= (size_t)
      MagickMin((double) depth,(double) MAGICKCORE_QUANTUM_DEPTH))
    {
      image->depth=depth;
      return(MagickTrue);
    }
  /*
    Scale pixels to desired depth.
  */
  status=MagickTrue;
  range=GetQuantumRange(depth);
  image_view=AcquireCacheView(image);
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  #pragma omp parallel for schedule(static,4) shared(status)
#endif
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    register ssize_t
      x;

    register Quantum
      *restrict q;

    if (status == MagickFalse)
      continue;
    q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      register ssize_t
        i;

      for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
      {
        PixelChannel
          channel;

        PixelTrait
          traits;

        channel=GetPixelChannelMapChannel(image,i);
        traits=GetPixelChannelMapTraits(image,channel);
        if (traits == UndefinedPixelTrait)
          continue;
        q[i]=ScaleAnyToQuantum(ScaleQuantumToAny(q[i],range),range);
      }
      q+=GetPixelChannels(image);
    }
    if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
      {
        status=MagickFalse;
        continue;
      }
  }
  image_view=DestroyCacheView(image_view);
  if (image->storage_class == PseudoClass)
    {
      register PixelInfo
        *restrict p;

      register ssize_t
        i;

      p=image->colormap;
#if defined(MAGICKCORE_OPENMP_SUPPORT)
  #pragma omp parallel for schedule(static,4) shared(status)
#endif
      for (i=0; i < (ssize_t) image->colors; i++)
      {
        if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0)
          p->red=ScaleAnyToQuantum(ScaleQuantumToAny(p->red,range),range);
        if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0)
          p->green=ScaleAnyToQuantum(ScaleQuantumToAny(p->green,range),range);
        if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0)
          p->blue=ScaleAnyToQuantum(ScaleQuantumToAny(p->blue,range),range);
        if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
          p->alpha=ScaleAnyToQuantum(ScaleQuantumToAny(p->alpha,range),range);
        p++;
      }
    }
  image->depth=depth;
  return(status);
}