/plugins/ImageMagick-6.3.2/wand/mogrify.c

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/*
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%                                                                             %
%              M   M   OOO   GGGGG  RRRR   IIIII  FFFFF  Y   Y                %
%              MM MM  O   O  G      R   R    I    F       Y Y                 %
%              M M M  O   O  G GGG  RRRR     I    FFF      Y                  %
%              M   M  O   O  G   G  R R      I    F        Y                  %
%              M   M   OOO   GGGG   R  R   IIIII  F        Y                  %
%                                                                             %
%                                                                             %
%                        ImageMagick Module Methods                           %
%                                                                             %
%                              Software Design                                %
%                                John Cristy                                  %
%                                March 2000                                   %
%                                                                             %
%                                                                             %
%  Copyright 1999-2006 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/mogrify-private.h"

/*
  Define declarations.
*/
#define ThrowWandFatalException(severity,tag,context) \
{ \
  ExceptionInfo \
    exception; \
 \
  GetExceptionInfo(&exception); \
  (void) ThrowMagickException(&exception,GetMagickModule(),severity,tag, \
    "`%s'",context); \
  CatchException(&exception); \
  (void) DestroyExceptionInfo(&exception); \
}
#define UndefinedCompressionQuality  0UL

/*
  Constant declaration.
*/
static const char
  *BackgroundColor = "#fff",  /* white */
  *BorderColor = "#dfdfdf",  /* gray */
  *MatteColor = "#bdbdbd";  /* gray */

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%                                                                             %
+     M o g r i f y I m a g e                                                 %
%                                                                             %
%                                                                             %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  MogrifyImage() applies image processing options to an image as prescribed
%  by command line options.
%
%  The format of the MogrifyImage method is:
%
%      MagickBooleanType MogrifyImage(ImageInfo *image_info,const int argc,
%        const char **argv,Image **image)
%
%  A description of each parameter follows:
%
%    o image_info: The image info..
%
%    o argc: Specifies a pointer to an integer describing the number of
%      elements in the argument vector.
%
%    o argv: Specifies a pointer to a text array containing the command line
%      arguments.
%
%    o image: The image.
%
%    o exception: Return any errors or warnings in this structure.
%
*/

static inline long MagickMax(const long x,const long y)
{
  if (x > y)
    return(x);
  return(y);
}

static MagickBooleanType MonitorProgress(const char *tag,
  const MagickOffsetType quantum,const MagickSizeType span,
  void *wand_unused(client_data))
{
  char
    message[MaxTextExtent];

  const char
    *locale_message;

  if (span < 2)
    return(MagickTrue);
  (void) FormatMagickString(message,MaxTextExtent,"Monitor/%s",tag);
  locale_message=GetLocaleMessage(message);
  if (locale_message == message)
    locale_message=tag;
  (void) fprintf(stdout,"%s: %02ld%%\r",locale_message,(long)
    (100L*quantum/(span-1)));
  if ((MagickSizeType) quantum == (span-1))
    (void) fprintf(stdout,"\n");
  (void) fflush(stdout);
  return(MagickTrue);
}

WandExport MagickBooleanType MogrifyImage(ImageInfo *image_info,const int argc,
  const char **argv,Image **image,ExceptionInfo *exception)
{
  ChannelType
    channel;

  const char
    *format,
    *option;

  DrawInfo
    *draw_info;

  GeometryInfo
    geometry_info;

  Image
    *region_image;

  long
    count;

  MagickBooleanType
    status;

  MagickPixelPacket
    fill;

  MagickStatusType
    flags;

  QuantizeInfo
    *quantize_info;

  RectangleInfo
    geometry,
    region_geometry;

  register long
    i;

  /*
    Initialize method variables.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image **) NULL);
  assert((*image)->signature == MagickSignature);
  if ((*image)->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename);
  if (argc < 0)
    return(MagickTrue);
  for (i=0; i < (long) argc; i++)
    if (strlen(argv[i]) > (MaxTextExtent/2-1))
      ThrowWandFatalException(OptionFatalError,"OptionLengthExceedsLimit",
        argv[i]);
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  quantize_info=AcquireQuantizeInfo(image_info);
  SetGeometryInfo(&geometry_info);
  channel=image_info->channel;
  GetMagickPixelPacket(*image,&fill);
  SetMagickPixelPacket(&(*image)->background_color,(IndexPacket *) NULL,&fill);
  format=GetImageOption(image_info,"format");
  SetGeometry(*image,&region_geometry);
  region_image=NewImageList();
  /*
    Transmogrify the image.
  */
  for (i=0; i < (long) argc; i++)
  {
    option=argv[i];
    if (IsMagickOption(option) == MagickFalse)
      continue;
    count=MagickMax(ParseMagickOption(MagickCommandOptions,MagickFalse,option),
      0L);
    if ((i+count) >= argc)
      break;
    status=MogrifyImageInfo(image_info,count+1,argv+i,exception);
    switch (*(option+1))
    {
      case 'a':
      {
        if (LocaleCompare("adaptive-blur",option+1) == 0)
          {
            Image
              *blur_image;

            /*
              Blur image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            blur_image=AdaptiveBlurImageChannel(*image,channel,
              geometry_info.rho,geometry_info.sigma,exception);
            if (blur_image == (Image *) NULL)
              break;
            InheritException(&blur_image->exception,exception);
            *image=DestroyImage(*image);
            *image=blur_image;
            break;
          }
        if (LocaleCompare("adaptive-resize",option+1) == 0)
          {
            Image
              *resize_image;

            /*
              Resize image.
            */
            (void) ParseSizeGeometry(*image,argv[i+1],&geometry);
            resize_image=AdaptiveResizeImage(*image,geometry.width,
              geometry.height,exception);
            if (resize_image == (Image *) NULL)
              break;
            InheritException(&resize_image->exception,exception);
            *image=DestroyImage(*image);
            *image=resize_image;
            break;
          }
        if (LocaleCompare("adaptive-sharpen",option+1) == 0)
          {
            Image
              *sharp_image;

            /*
              Sharpen image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            sharp_image=AdaptiveSharpenImageChannel(*image,channel,
              geometry_info.rho,geometry_info.sigma,exception);
            if (sharp_image == (Image *) NULL)
              break;
            InheritException(&sharp_image->exception,exception);
            *image=DestroyImage(*image);
            *image=sharp_image;
            break;
          }
        if (LocaleCompare("affine",option+1) == 0)
          {
            /*
              Affine matrix.
            */
            if (*option == '+')
              {
                GetAffineMatrix(&draw_info->affine);
                break;
              }
            (void) ParseAffineGeometry(argv[i+1],&draw_info->affine);
            break;
          }
        if (LocaleCompare("annotate",option+1) == 0)
          {
            char
              geometry[MaxTextExtent];

            /*
              Annotate image.
            */
            SetGeometryInfo(&geometry_info);
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=geometry_info.rho;
            (void) CloneString(&draw_info->text,InterpretImageProperties(
              image_info,*image,argv[i+2]));
            (void) FormatMagickString(geometry,MaxTextExtent,"%+f%+f",
              geometry_info.xi,geometry_info.psi);
            (void) CloneString(&draw_info->geometry,geometry);
            draw_info->affine.sx=cos(DegreesToRadians(
              fmod(geometry_info.rho,360.0)));
            draw_info->affine.rx=sin(DegreesToRadians(
              fmod(geometry_info.rho,360.0)));
            draw_info->affine.ry=(-sin(DegreesToRadians(
              fmod(geometry_info.sigma,360.0))));
            draw_info->affine.sy=cos(DegreesToRadians(
              fmod(geometry_info.sigma,360.0)));
            (void) AnnotateImage(*image,draw_info);
            break;
          }
        if (LocaleCompare("antialias",option+1) == 0)
          {
            draw_info->stroke_antialias=(*option == '-') ? MagickTrue :
              MagickFalse;
            draw_info->text_antialias=(*option == '-') ? MagickTrue :
              MagickFalse;
            break;
          }
        if (LocaleCompare("auto-orient",option+1) == 0)
          {
            Image
              *orient_image;

            orient_image=NewImageList();
            switch ((*image)->orientation)
            {
              case TopRightOrientation:
              {
                orient_image=FlopImage(*image,exception);
                break;
              }
              case BottomRightOrientation:
              {
                orient_image=RotateImage(*image,180.0,exception);
                break;
              }
              case BottomLeftOrientation:
              {
                orient_image=FlipImage(*image,exception);
                break;
              }
              case LeftTopOrientation:
              {
                orient_image=TransposeImage(*image,exception);
                break;
              }
              case RightTopOrientation:
              {
                orient_image=RotateImage(*image,90.0,exception);
                break;
              }
              case RightBottomOrientation:
              {
                orient_image=TransverseImage(*image,exception);
                break;
              }
              case LeftBottomOrientation:
              {
                orient_image=RotateImage(*image,270.0,exception);
                break;
              }
              default:
                break;
            }
            if (orient_image == (Image *) NULL)
              break;
            InheritException(&orient_image->exception,exception);
            *image=DestroyImage(*image);
            *image=orient_image;
            break;
          }
        break;
      }
      case 'b':
      {
        if (LocaleCompare("background",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) QueryColorDatabase(BackgroundColor,
                  &(*image)->background_color,exception);
                break;
              }
            (void) QueryColorDatabase(argv[i+1],&(*image)->background_color,
              exception);
            break;
          }
        if (LocaleCompare("bias",option+1) == 0)
          {
            (*image)->bias=StringToDouble(argv[i+1],QuantumRange);
            break;
          }
        if (LocaleCompare("black-threshold",option+1) == 0)
          {
            /*
              Threshold black image.
            */
            (void) BlackThresholdImage(*image,argv[i+1]);
            break;
          }
        if (LocaleCompare("black-point-compensation",option+1) == 0)
          {
            (*image)->black_point_compensation=(*option == '-') ? MagickTrue :
              MagickFalse;
            break;
          }
        if (LocaleCompare("blue-primary",option+1) == 0)
          {
            /*
              Blue chromaticity primary point.
            */
            if (*option == '+')
              {
                (*image)->chromaticity.blue_primary.x=0.0;
                (*image)->chromaticity.blue_primary.y=0.0;
                break;
              }
            flags=ParseGeometry(argv[i+1],&geometry_info);
            (*image)->chromaticity.blue_primary.x=geometry_info.rho;
            (*image)->chromaticity.blue_primary.y=geometry_info.sigma;
            if ((flags & SigmaValue) == 0)
              (*image)->chromaticity.blue_primary.y=
                (*image)->chromaticity.blue_primary.x;
            break;
          }
        if (LocaleCompare("blur",option+1) == 0)
          {
            Image
              *blur_image;

            /*
              Gaussian blur image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            blur_image=BlurImageChannel(*image,channel,
              geometry_info.rho,geometry_info.sigma,exception);
            if (blur_image == (Image *) NULL)
              break;
            InheritException(&blur_image->exception,exception);
            *image=DestroyImage(*image);
            *image=blur_image;
            break;
          }
        if (LocaleCompare("border",option+1) == 0)
          {
            Image
              *border_image;

            /*
              Surround image with a border of solid color.
            */
            flags=ParsePageGeometry(*image,argv[i+1],&geometry);
            if ((flags & SigmaValue) == 0)
              geometry.height=geometry.width;
            border_image=BorderImage(*image,&geometry,exception);
            if (border_image == (Image *) NULL)
              break;
            InheritException(&border_image->exception,exception);
            *image=DestroyImage(*image);
            *image=border_image;
            break;
          }
        if (LocaleCompare("bordercolor",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) QueryColorDatabase(BorderColor,&(*image)->border_color,
                  exception);
                draw_info->border_color=(*image)->border_color;
                break;
              }
            (void) QueryColorDatabase(argv[i+1],&(*image)->border_color,
              exception);
            draw_info->border_color=(*image)->border_color;
            break;
          }
        if (LocaleCompare("box",option+1) == 0)
          {
            (void) QueryColorDatabase(argv[i+1],&draw_info->undercolor,
              exception);
            break;
          }
        break;
      }
      case 'c':
      {
        if (LocaleCompare("cache",option+1) == 0)
          {
            unsigned long
              limit;

            limit=(~0UL);
            if (LocaleCompare("unlimited",argv[i+1]) != 0)
              limit=(unsigned long) atol(argv[i+1]);
            (void) SetMagickResourceLimit(MemoryResource,limit);
            (void) SetMagickResourceLimit(MapResource,2*limit);
            break;
          }
        if (LocaleCompare("channel",option+1) == 0)
          {
            if (*option == '+')
              {
                channel=DefaultChannels;
                break;
              }
            channel=(ChannelType) ParseChannelOption(argv[i+1]);
            break;
          }
        if (LocaleCompare("charcoal",option+1) == 0)
          {
            Image
              *charcoal_image;

            /*
              Charcoal image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            charcoal_image=CharcoalImage(*image,geometry_info.rho,
              geometry_info.sigma,exception);
            if (charcoal_image == (Image *) NULL)
              break;
            InheritException(&charcoal_image->exception,exception);
            *image=DestroyImage(*image);
            *image=charcoal_image;
            break;
          }
        if (LocaleCompare("chop",option+1) == 0)
          {
            Image
              *chop_image;

            /*
              Chop the image.
            */
            (void) ParseGravityGeometry(*image,argv[i+1],&geometry);
            chop_image=ChopImage(*image,&geometry,exception);
            if (chop_image == (Image *) NULL)
              break;
            InheritException(&chop_image->exception,exception);
            *image=DestroyImage(*image);
            *image=chop_image;
            break;
          }
        if (LocaleCompare("clip",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageClipMask(*image,(Image *) NULL);
                break;
              }
            (void) ClipImage(*image);
            break;
          }
        if (LocaleCompare("clip-mask",option+1) == 0)
          {
            Image
              *mask;

            ImageInfo
              *mask_info;

            long
              y;

            register long
              x;

            register PixelPacket
              *q;

            if (*option == '+')
              {
                /*
                  Remove a mask.
                */
                (void) SetImageMask(*image,(Image *) NULL);
                break;
              }
            /*
              Set the image mask.
            */
            mask_info=CloneImageInfo(image_info);
            (void) CopyMagickString(mask_info->filename,argv[i+1],
              MaxTextExtent);
            mask=ReadImage(mask_info,exception);
            CatchException(exception);
            mask_info=DestroyImageInfo(mask_info);
            if (mask == (Image *) NULL)
              break;
            for (y=0; y < (long) mask->rows; y++)
            {
              q=GetImagePixels(mask,0,y,mask->columns,1);
              if (q == (PixelPacket *) NULL)
                break;
              for (x=0; x < (long) mask->columns; x++)
              {
                if (mask->matte == MagickFalse)
                  q->opacity=PixelIntensityToQuantum(q);
                q->red=q->opacity;
                q->green=q->opacity;
                q->blue=q->opacity;
                q++;
              }
              if (SyncImagePixels(mask) == MagickFalse)
                break;
            }
            if (SetImageStorageClass(mask,DirectClass) == MagickFalse)
              return(MagickFalse);
            mask->matte=MagickTrue;
            (void) SetImageClipMask(*image,mask);
            break;
          }
        if (LocaleCompare("clip-path",option+1) == 0)
          {
            (void) ClipPathImage(*image,argv[i+1],
              *option == '-' ? MagickTrue : MagickFalse);
            break;
          }
        if (LocaleCompare("colorize",option+1) == 0)
          {
            Image
              *colorize_image;

            /*
              Colorize the image.
            */
            colorize_image=ColorizeImage(*image,argv[i+1],draw_info->fill,
              exception);
            if (colorize_image == (Image *) NULL)
              break;
            InheritException(&colorize_image->exception,exception);
            *image=DestroyImage(*image);
            *image=colorize_image;
            break;
          }
        if (LocaleCompare("colors",option+1) == 0)
          {
            /*
              Reduce the number of colors in the image.
            */
            quantize_info->number_colors=(unsigned long) atol(argv[i+1]);
            if (quantize_info->number_colors == 0)
              break;
            if (((*image)->storage_class == DirectClass) ||
                (*image)->colors > quantize_info->number_colors)
              (void) QuantizeImage(quantize_info,*image);
            else
              CompressImageColormap(*image);
            break;
          }
        if (LocaleCompare("colorspace",option+1) == 0)
          {
            ColorspaceType
              colorspace;

            if (*option == '+')
              {
                (void) SetImageColorspace(*image,RGBColorspace);
                break;
              }
            colorspace=(ColorspaceType) ParseMagickOption(
              MagickColorspaceOptions,MagickFalse,argv[i+1]);
            (void) SetImageColorspace(*image,colorspace);
            break;
          }
        if (LocaleCompare("compose",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->compose=OverCompositeOp;
                break;
              }
            (*image)->compose=(CompositeOperator) ParseMagickOption(
              MagickCompositeOptions,MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("compress",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->compression=UndefinedCompression;
                break;
              }
            (*image)->compression=(CompressionType) ParseMagickOption(
              MagickCompressionOptions,MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("contrast",option+1) == 0)
          {
            (void) ContrastImage(*image,(*option == '-') ? MagickTrue :
              MagickFalse);
            break;
          }
        if (LocaleCompare("contrast-stretch",option+1) == 0)
          {
            GeometryInfo
              geometry_info;

            MagickRealType
              black_point,
              white_point;

            MagickStatusType
              flags;

            /*
              Parse levels.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            black_point=geometry_info.rho;
            white_point=(MagickRealType) (*image)->columns*(*image)->rows;
            if ((flags & SigmaValue) != 0)
              white_point=geometry_info.sigma;
            if ((flags & PercentValue) != 0)
              {
                black_point*=(MagickRealType) (*image)->columns*
                  (*image)->rows/100.0f;
                white_point*=(MagickRealType) (*image)->columns*
                  (*image)->rows/100.0f;
              }
            if ((flags & SigmaValue) == 0)
              white_point=(MagickRealType) (*image)->columns*(*image)->rows-
                black_point;
            (void) ContrastStretchImageChannel(*image,channel,black_point,
              white_point);
            break;
          }
        if (LocaleCompare("convolve",option+1) == 0)
          {
            char
              *p,
              token[MaxTextExtent];

            double
              *kernel;

            Image
              *convolve_image;

            register long
              x;

            unsigned long
              order;

            /*
              Convolve image.
            */
            p=(char *) argv[i+1];
            for (x=0; *p != '\0'; x++)
            {
              GetMagickToken(p,&p,token);
              if (*token == ',')
                GetMagickToken(p,&p,token);
            }
            order=(unsigned long) sqrt((double) x+1.0);
            kernel=(double *) AcquireMagickMemory(order*order*sizeof(*kernel));
            if (kernel == (double *) NULL)
              ThrowWandFatalException(ResourceLimitFatalError,
                "MemoryAllocationFailed",(*image)->filename);
            p=(char *) argv[i+1];
            for (x=0; *p != '\0'; x++)
            {
              GetMagickToken(p,&p,token);
              if (*token == ',')
                GetMagickToken(p,&p,token);
              kernel[x]=atof(token);
            }
            for ( ; x < (long) (order*order); x++)
              kernel[x]=0.0;
            convolve_image=ConvolveImageChannel(*image,channel,order,kernel,
              exception);
            kernel=(double *) RelinquishMagickMemory(kernel);
            if (convolve_image == (Image *) NULL)
              break;
            InheritException(&convolve_image->exception,exception);
            *image=DestroyImage(*image);
            *image=convolve_image;
            break;
          }
        if (LocaleCompare("crop",option+1) == 0)
          {
            if (*option == '+')
              break;
            break;
          }
        if (LocaleCompare("cycle",option+1) == 0)
          {
            /*
              Cycle an image colormap.
            */
            (void) CycleColormapImage(*image,atoi(argv[i+1]));
            break;
          }
        break;
      }
      case 'd':
      {
        if (LocaleCompare("debug",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetLogEventMask("none");
                break;
              }
            (void) SetLogEventMask(argv[i+1]);
            break;
          }
        if (LocaleCompare("density",option+1) == 0)
          {
            GeometryInfo
              geometry_info;

            /*
              Set image density.
            */
            (void) CloneString(&draw_info->density,argv[i+1]);
            flags=ParseGeometry(argv[i+1],&geometry_info);
            (*image)->x_resolution=geometry_info.rho;
            (*image)->y_resolution=geometry_info.sigma;
            if ((flags & SigmaValue) == 0)
              (*image)->y_resolution=(*image)->x_resolution;
            break;
          }
        if (LocaleCompare("despeckle",option+1) == 0)
          {
            Image
              *despeckle_image;

            /*
              Reduce the speckles within an image.
            */
            despeckle_image=DespeckleImage(*image,exception);
            if (despeckle_image == (Image *) NULL)
              break;
            InheritException(&despeckle_image->exception,exception);
            *image=DestroyImage(*image);
            *image=despeckle_image;
            break;
          }
        if (LocaleCompare("display",option+1) == 0)
          {
            (void) CloneString(&draw_info->server_name,argv[i+1]);
            break;
          }
        if (LocaleCompare("dither",option+1) == 0)
          {
            quantize_info->dither=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        if (LocaleCompare("draw",option+1) == 0)
          {
            /*
              Draw image.
            */
            (void) CloneString(&draw_info->primitive,argv[i+1]);
            (void) DrawImage(*image,draw_info);
            break;
          }
        break;
      }
      case 'e':
      {
        if (LocaleCompare("edge",option+1) == 0)
          {
            Image
              *edge_image;

            /*
              Enhance edges in the image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            edge_image=EdgeImage(*image,geometry_info.rho,exception);
            if (edge_image == (Image *) NULL)
              break;
            InheritException(&edge_image->exception,exception);
            *image=DestroyImage(*image);
            *image=edge_image;
            break;
          }
        if (LocaleCompare("emboss",option+1) == 0)
          {
            Image
              *emboss_image;

            /*
              Gaussian embossen image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            emboss_image=EmbossImage(*image,geometry_info.rho,
              geometry_info.sigma,exception);
            if (emboss_image == (Image *) NULL)
              break;
            InheritException(&emboss_image->exception,exception);
            *image=DestroyImage(*image);
            *image=emboss_image;
            break;
          }
        if (LocaleCompare("encoding",option+1) == 0)
          {
            (void) CloneString(&draw_info->encoding,argv[i+1]);
            break;
          }
        if (LocaleCompare("endian",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->endian=LSBEndian;
                break;
              }
            (*image)->endian=(EndianType) ParseMagickOption(MagickEndianOptions,
              MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("enhance",option+1) == 0)
          {
            Image
              *enhance_image;

            /*
              Enhance image.
            */
            enhance_image=EnhanceImage(*image,exception);
            if (enhance_image == (Image *) NULL)
              break;
            InheritException(&enhance_image->exception,exception);
            *image=DestroyImage(*image);
            *image=enhance_image;
            break;
          }
        if (LocaleCompare("equalize",option+1) == 0)
          {
            /*
              Equalize image.
            */
            (void) EqualizeImage(*image);
            break;
          }
        if (LocaleCompare("evaluate",option+1) == 0)
          {
            double
              constant;

            MagickEvaluateOperator
              op;

            op=(MagickEvaluateOperator) ParseMagickOption(MagickEvaluateOptions,
              MagickFalse,argv[i+1]);
            constant=StringToDouble(argv[i+2],QuantumRange);
            (void) EvaluateImageChannel(*image,channel,op,constant,
              exception);
            break;
          }
        if (LocaleCompare("extent",option+1) == 0)
          {
            Image
              *extent_image;

            /*
              Set the image extent.
            */
            (void) ParseGravityGeometry(*image,argv[i+1],&geometry);
            extent_image=ExtentImage(*image,&geometry,exception);
            if (extent_image == (Image *) NULL)
              break;
            InheritException(&extent_image->exception,exception);
            *image=DestroyImage(*image);
            *image=extent_image;
            break;
          }
        break;
      }
      case 'f':
      {
        if (LocaleCompare("family",option+1) == 0)
          {
            if (*option == '+')
              draw_info->family=(char *) RelinquishMagickMemory(
                draw_info->family);
           else
              (void) CloneString(&draw_info->family,argv[i+1]);
            break;
          }
        if (LocaleCompare("fill",option+1) == 0)
          {
            ExceptionInfo
              *sans;

            if (*option == '+')
              {
                (void) QueryMagickColor("none",&fill,exception);
                (void) QueryColorDatabase("none",&draw_info->fill,exception);
                break;
              }
            sans=AcquireExceptionInfo();
            (void) QueryMagickColor(argv[i+1],&fill,sans);
            status=QueryColorDatabase(argv[i+1],&draw_info->fill,sans);
            sans=DestroyExceptionInfo(sans);
            if (status == MagickFalse)
              draw_info->fill_pattern=ReadImage(image_info,exception);
            break;
          }
        if (LocaleCompare("filter",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->filter=UndefinedFilter;
                break;
              }
            (*image)->filter=(FilterTypes) ParseMagickOption(
              MagickFilterOptions,MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("flip",option+1) == 0)
          {
            Image
              *flip_image;

            /*
              Flip image scanlines.
            */
            flip_image=FlipImage(*image,exception);
            if (flip_image == (Image *) NULL)
              break;
            InheritException(&flip_image->exception,exception);
            *image=DestroyImage(*image);
            *image=flip_image;
            break;
          }
        if (LocaleCompare("flop",option+1) == 0)
          {
            Image
              *flop_image;

            /*
              Flop image scanlines.
            */
            flop_image=FlopImage(*image,exception);
            if (flop_image == (Image *) NULL)
              break;
            InheritException(&flop_image->exception,exception);
            *image=DestroyImage(*image);
            *image=flop_image;
            break;
          }
        if (LocaleCompare("floodfill",option+1) == 0)
          {
            PixelPacket
              target;

            /*
              Floodfill image.
            */
            (void) ParsePageGeometry(*image,argv[i+1],&geometry);
            (void) QueryColorDatabase(argv[i+2],&target,exception);
            (void) ColorFloodfillImage(*image,draw_info,target,geometry.x,
              geometry.y,FloodfillMethod);
            break;
          }
        if (LocaleCompare("font",option+1) == 0)
          {
            if (*option == '+')
              {
                draw_info->font=(char *) RelinquishMagickMemory(
                  draw_info->font);
                break;
              }
            (void) CloneString(&draw_info->font,argv[i+1]);
            break;
          }
        if (LocaleCompare("format",option+1) == 0)
          {
            format=argv[i+1];
            break;
          }
        if (LocaleCompare("frame",option+1) == 0)
          {
            FrameInfo
              frame_info;

            Image
              *frame_image;

            /*
              Surround image with an ornamental border.
            */
            (void) ParsePageGeometry(*image,argv[i+1],&geometry);
            frame_info.width=geometry.width;
            frame_info.height=geometry.height;
            frame_info.outer_bevel=geometry.x;
            frame_info.inner_bevel=geometry.y;
            frame_info.x=(long) frame_info.width;
            frame_info.y=(long) frame_info.height;
            frame_info.width=(*image)->columns+2*frame_info.width;
            frame_info.height=(*image)->rows+2*frame_info.height;
            frame_image=FrameImage(*image,&frame_info,exception);
            if (frame_image == (Image *) NULL)
              break;
            InheritException(&frame_image->exception,exception);
            *image=DestroyImage(*image);
            *image=frame_image;
            break;
          }
        if (LocaleCompare("fuzz",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->fuzz=0.0;
                break;
              }
            (*image)->fuzz=StringToDouble(argv[i+1],QuantumRange+1.0);
            break;
          }
        break;
      }
      case 'g':
      {
        if (LocaleCompare("gamma",option+1) == 0)
          {
            if (*option == '+')
              (*image)->gamma=atof(argv[i+1]);
            else
              {
                if (strchr(argv[i+1],',') != (char *) NULL)
                  (void) GammaImage(*image,argv[i+1]);
                else
                  (void) GammaImageChannel(*image,channel,
                    atof(argv[i+1]));
              }
            break;
          }
        if ((LocaleCompare("gaussian-blur",option+1) == 0) ||
            (LocaleCompare("gaussian",option+1) == 0))
          {
            Image
              *gaussian_image;

            /*
              Gaussian blur image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & SigmaValue) == 0)
              geometry_info.sigma=1.0;
            gaussian_image=GaussianBlurImageChannel(*image,channel,
              geometry_info.rho,geometry_info.sigma,exception);
            if (gaussian_image == (Image *) NULL)
              break;
            InheritException(&gaussian_image->exception,exception);
            *image=DestroyImage(*image);
            *image=gaussian_image;
            break;
          }
        if (LocaleCompare("geometry",option+1) == 0)
          {
            if (*option == '+')
              {
                if ((*image)->geometry != (char *) NULL)
                  (*image)->geometry=(char *) RelinquishMagickMemory(
                    (*image)->geometry);
                break;
              }
            (void) CloneString(&(*image)->geometry,argv[i+1]);
            flags=ParseSizeGeometry(*image,argv[i+1],&geometry);
            if (((flags & XValue) == 0) && ((flags & YValue) == 0))
              {
                Image
                  *zoom_image;

                /*
                  Resize image.
                */
                zoom_image=ZoomImage(*image,geometry.width,geometry.height,
                  exception);
                if (zoom_image == (Image *) NULL)
                  break;
                InheritException(&zoom_image->exception,exception);
                *image=DestroyImage(*image);
                *image=zoom_image;
              }
            break;
          }
        if (LocaleCompare("gravity",option+1) == 0)
          {
            if (*option == '+')
              (*image)->gravity=UndefinedGravity;
            else
              (*image)->gravity=(GravityType) ParseMagickOption(
                MagickGravityOptions,MagickFalse,argv[i+1]);
            draw_info->gravity=(*image)->gravity;
            break;
          }
        if (LocaleCompare("green-primary",option+1) == 0)
          {
            /*
              Green chromaticity primary point.
            */
            if (*option == '+')
              {
                (*image)->chromaticity.green_primary.x=0.0;
                (*image)->chromaticity.green_primary.y=0.0;
                break;
              }
            flags=ParseGeometry(argv[i+1],&geometry_info);
            (*image)->chromaticity.green_primary.x=geometry_info.rho;
            (*image)->chromaticity.green_primary.y=geometry_info.sigma;
            if ((flags & SigmaValue) == 0)
              (*image)->chromaticity.green_primary.y=
                (*image)->chromaticity.green_primary.x;
            break;
          }
        break;
      }
      case 'i':
      {
        if (LocaleCompare("identify",option+1) == 0)
          {
            char
              *text;

            if (format == (char *) NULL)
              {
                (void) IdentifyImage(*image,stdout,image_info->verbose);
                break;
              }
            text=InterpretImageProperties(image_info,*image,format);
            if (text == (char *) NULL)
              break;
            (void) fputs(text,stdout);
            (void) fputc('\n',stdout);
            text=(char *) RelinquishMagickMemory(text);
            break;
          }
        if (LocaleCompare("implode",option+1) == 0)
          {
            Image
              *implode_image;

            /*
              Implode image.
            */
            (void) ParseGeometry(argv[i+1],&geometry_info);
            implode_image=ImplodeImage(*image,geometry_info.rho,exception);
            if (implode_image == (Image *) NULL)
              break;
            InheritException(&implode_image->exception,exception);
            *image=DestroyImage(*image);
            *image=implode_image;
            break;
          }
        if (LocaleCompare("intent",option+1) == 0)
          {
            if (*option == '+')
              {
                (*image)->rendering_intent=UndefinedIntent;
                break;
              }
            (*image)->rendering_intent=(RenderingIntent) ParseMagickOption(
              MagickIntentOptions,MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("interlace",option+1) == 0)
          {
            /*
              Interlace method.
            */
            if (*option == '+')
              {
                (*image)->interlace=UndefinedInterlace;
                break;
              }
            (*image)->interlace=(InterlaceType) ParseMagickOption(
              MagickInterlaceOptions,MagickFalse,argv[i+1]);
            break;
          }
        if (LocaleCompare("interpolate",option+1) == 0)
          {
            /*
              Interpolate method.
            */
            if (*option == '+')
              {
                (*image)->interpolate=UndefinedInterpolatePixel;
                break;
              }
            (*image)->interpolate=(InterpolatePixelMethod) ParseMagickOption(
              MagickInterpolateOptions,MagickFalse,argv[i+1]);
            break;
          }
        break;
      }
      case 'l':
      {
        if (LocaleCompare("lat",option+1) == 0)
          {
            Image
              *threshold_image;

            /*
              Local adaptive threshold image.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            if ((flags & PercentValue) != 0)
              geometry_info.xi=QuantumRange*geometry_info.xi/100.0;
            threshold_image=AdaptiveThresholdImage(*image,(unsigned long)
              geometry_info.rho,(unsigned long) geometry_info.sigma,
              (long) geometry_info.xi,exception);
            if (threshold_image == (Image *) NULL)
              break;
            InheritException(&threshold_image->exception,exception);
            *image=DestroyImage(*image);
            *image=threshold_image;
            break;
          }
        if (LocaleCompare("level",option+1) == 0)
          {
            GeometryInfo
              geometry_info;

            MagickRealType
              black_point,
              gamma,
              white_point;

            MagickStatusType
              flags;

            /*
              Parse levels.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            black_point=geometry_info.rho;
            white_point=(MagickRealType) QuantumRange;
            if ((flags & SigmaValue) != 0)
              white_point=geometry_info.sigma;
            gamma=1.0;
            if ((flags & XiValue) != 0)
              gamma=geometry_info.xi;
            if ((white_point <= 10.0) && (gamma > 10.0))
              {
                MagickRealType
                  swap;

                swap=gamma;
                gamma=white_point;
                white_point=swap;
              }
            if ((flags & PercentValue) != 0)
              {
                black_point*=(MagickRealType) (QuantumRange/100.0);
                white_point*=(MagickRealType) (QuantumRange/100.0);
              }
            if ((flags & SigmaValue) == 0)
              white_point=(MagickRealType) QuantumRange-black_point;
            (void) LevelImageChannel(*image,channel,black_point,white_point,
              gamma);
            break;
          }
        if (LocaleCompare("limit",option+1) == 0)
          {
            ResourceType
              type;

            unsigned long
              limit;

            if (*option == '+')
              break;
            type=(ResourceType) ParseMagickOption(MagickResourceOptions,
              MagickFalse,argv[i+1]);
            limit=(~0UL);
            if (LocaleCompare("unlimited",argv[i+2]) != 0)
              limit=(unsigned long) atol(argv[i+2]);
            (void) SetMagickResourceLimit(type,limit);
            break;
          }
        if (LocaleCompare("linear-stretch",option+1) == 0)
          {
            GeometryInfo
              geometry_info;

            MagickRealType
              black_point,
              white_point;

            MagickStatusType
              flags;

            /*
              Parse levels.
            */
            flags=ParseGeometry(argv[i+1],&geometry_info);
            black_point=geometry_info.rho;
            white_point=(MagickRealType) (*image)->columns*(*image)->rows;
            if ((flags & SigmaValue) != 0)
              white_point=geometry_info.sigma;
            if ((flags & PercentValue) != 0)
              {
                black_point*=(MagickRealType) (*image)->columns*
                  (*image)->rows/100.0f;
                white_point*=(MagickRealType) (*image)->columns*
                  (*image)->rows/100.0f;
              }
            if ((flags & SigmaValue) == 0)
              white_point=(MagickRealType) (*image)->columns*(*image)->rows-
                black_point;
            (void) LinearStretchImage(*image,black_point,white_point);
            break;
          }
        if (LocaleCompare("linewidth",option+1) == 0)
          {
            draw_info->stroke_width=atof(argv[i+1]);
            break;
          }
        if (LocaleCompare("loop",option+1) == 0)
          {
            /*
              Set image iterations.
            */
            (*image)->iterations=(unsigned long) atol(argv[i+1]);
            break;
          }
        break;
      }
      case 'm':
      {
        if (LocaleCompare("map",option+1) == 0)
          {
            Image
              *map_image;

            ImageInfo
              *map_info;

            /*
              Transform image colors to match this set of colors.
            */
            if (*option == '+')
              break;
            map_info=CloneImageInfo(image_info);
            (void) CopyMagickString(map_info->filename,argv[i+1],
              MaxTextExtent);
            map_image=ReadImage(map_info,exception);
            map_info=DestroyImageInfo(map_info);
            CatchException(exception);
            if (map_image == (Image *) NULL)
              break;
            (void) MapImage(*image,map_image,quantize_info->dither);
            map_image=DestroyImage(map_image);
            break;
          }
        if (LocaleCompare("mask",option+1) == 0)
          {
            Image
              *mask;

            ImageInfo
              *mask_info;

            if (*option == '+')
              {
                /*
                  Remove a mask.
                */
                (void) SetImageMask(*image,(Image *) NULL);
                break;
              }
            /*
              Set the image mask.
            */
            mask_info=CloneImageInfo(image_info);
            (void) CopyMagickString(mask_info->filename,argv[i+1],
              MaxTextExtent);
            mask=ReadImage(mask_info,exception);
            CatchException(exception);
            mask_info=DestroyImageInfo(mask_info);
            if (mask == (Image *) NULL)
              break;
            (void) SetImageMask(*image,mask);
            break;
          }
        if (LocaleCompare("matte",option+1) == 0)
          {
            if (*option == '-')
              if ((*image)->matte == MagickFalse)
                (void) SetImageOpacity(*image,OpaqueOpacity);
            (*image)->matte=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        if (LocaleCompare("mattecolor",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) QueryColorDatabase(MatteColor,&(*image)->matte_color,
                  exception);
                break;
              }
            (void) QueryColorDatabase(argv[i+1],&(*image)->matte_color,
              exception);
            break;
          }
        if (LocaleCompare("median",option+1) == 0)
          {
            Image
              *median_image;

            /*
              Median filter image.
            */
            (void) ParseGeometry(argv[i+1],&geometry_info);
            median_image=MedianFilterImage(*image,geometry_info.rho,exception);
            if (median_image == (Image *) NULL)
              break;
            InheritException(&median_image->exception,exception);
            *image=DestroyImage(*image);
            *image=median_image;
            break;
          }
        if (LocaleCompare("modulate",option+1) == 0)
          {
            (void) ModulateImage(*image,argv[i+1]);
            break;
          }
        if (LocaleCompare("monitor",option+1) == 0)
          {
            (void) SetImageProgressMonitor(*image,MonitorProgress,
              (void *) NULL);
            break;
          }
        if (LocaleCom…