Commit message: https://github.com/ImageMagick/ImageMagick/issues/1623
CVE: CVE-2019-13311
CWE: CWE-399
Vulnerability description: ImageMagick 7.0.8-50 Q16 has memory leaks at AcquireMagickMemory because of a wand/mogrify.c error.

Project: ImageMagick6
File: mogrify.c

WandExport MagickBooleanType MogrifyImageInfo(ImageInfo *image_info,
  const int argc,const char **argv,ExceptionInfo *exception)
{
  const char
    *option;

  GeometryInfo
    geometry_info;

  ssize_t
    count;

  register ssize_t
    i;

  /*
    Initialize method variables.
  */
  assert(image_info != (ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  if (argc < 0)
    return(MagickTrue);
  /*
    Set the image settings.
  */
  for (i=0; i < (ssize_t) argc; i++)
  {
    option=argv[i];
    if (IsCommandOption(option) == MagickFalse)
      continue;
    count=ParseCommandOption(MagickCommandOptions,MagickFalse,option);
    count=MagickMax(count,0L);
    if ((i+count) >= (ssize_t) argc)
      break;
    switch (*(option+1))
    {
      case 'a':
      {
        if (LocaleCompare("adjoin",option+1) == 0)
          {
            image_info->adjoin=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        if (LocaleCompare("antialias",option+1) == 0)
          {
            image_info->antialias=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        if (LocaleCompare("attenuate",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("authenticate",option+1) == 0)
          {
            if (*option == '+')
              (void) CloneString(&image_info->authenticate,(char *) NULL);
            else
              (void) CloneString(&image_info->authenticate,argv[i+1]);
            break;
          }
        break;
      }
      case 'b':
      {
        if (LocaleCompare("background",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                (void) QueryColorDatabase(MogrifyBackgroundColor,
                  &image_info->background_color,exception);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            (void) QueryColorDatabase(argv[i+1],&image_info->background_color,
              exception);
            break;
          }
        if (LocaleCompare("bias",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0.0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("black-point-compensation",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"false");
                break;
              }
            (void) SetImageOption(image_info,option+1,"true");
            break;
          }
        if (LocaleCompare("blue-primary",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0.0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("bordercolor",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                (void) QueryColorDatabase(MogrifyBorderColor,
                  &image_info->border_color,exception);
                break;
              }
            (void) QueryColorDatabase(argv[i+1],&image_info->border_color,
              exception);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("box",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,"undercolor","none");
                break;
              }
            (void) SetImageOption(image_info,"undercolor",argv[i+1]);
            break;
          }
        break;
      }
      case 'c':
      {
        if (LocaleCompare("cache",option+1) == 0)
          {
            MagickSizeType
              limit;

            limit=MagickResourceInfinity;
            if (LocaleCompare("unlimited",argv[i+1]) != 0)
              limit=(MagickSizeType) SiPrefixToDoubleInterval(argv[i+1],100.0);
            (void) SetMagickResourceLimit(MemoryResource,limit);
            (void) SetMagickResourceLimit(MapResource,2*limit);
            break;
          }
        if (LocaleCompare("caption",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("channel",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->channel=DefaultChannels;
                break;
              }
            image_info->channel=(ChannelType) ParseChannelOption(argv[i+1]);
            break;
          }
        if (LocaleCompare("colors",option+1) == 0)
          {
            image_info->colors=StringToUnsignedLong(argv[i+1]);
            break;
          }
        if (LocaleCompare("colorspace",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->colorspace=UndefinedColorspace;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->colorspace=(ColorspaceType) ParseCommandOption(
              MagickColorspaceOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("comment",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("compose",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("compress",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->compression=UndefinedCompression;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->compression=(CompressionType) ParseCommandOption(
              MagickCompressOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'd':
      {
        if (LocaleCompare("debug",option+1) == 0)
          {
            if (*option == '+')
              (void) SetLogEventMask("none");
            else
              (void) SetLogEventMask(argv[i+1]);
            image_info->debug=IsEventLogging();
            break;
          }
        if (LocaleCompare("define",option+1) == 0)
          {
            if (*option == '+')
              {
                if (LocaleNCompare(argv[i+1],"registry:",9) == 0)
                  (void) DeleteImageRegistry(argv[i+1]+9);
                else
                  (void) DeleteImageOption(image_info,argv[i+1]);
                break;
              }
            if (LocaleNCompare(argv[i+1],"registry:",9) == 0)
              {
                (void) DefineImageRegistry(StringRegistryType,argv[i+1]+9,
                  exception);
                break;
              }
            (void) DefineImageOption(image_info,argv[i+1]);
            break;
          }
        if (LocaleCompare("delay",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("density",option+1) == 0)
          {
            /*
              Set image density.
            */
            if (*option == '+')
              {
                if (image_info->density != (char *) NULL)
                  image_info->density=DestroyString(image_info->density);
                (void) SetImageOption(image_info,option+1,"72");
                break;
              }
            (void) CloneString(&image_info->density,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("depth",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->depth=MAGICKCORE_QUANTUM_DEPTH;
                break;
              }
            image_info->depth=StringToUnsignedLong(argv[i+1]);
            break;
          }
        if (LocaleCompare("direction",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("display",option+1) == 0)
          {
            if (*option == '+')
              {
                if (image_info->server_name != (char *) NULL)
                  image_info->server_name=DestroyString(
                    image_info->server_name);
                break;
              }
            (void) CloneString(&image_info->server_name,argv[i+1]);
            break;
          }
        if (LocaleCompare("dispose",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("dither",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->dither=MagickFalse;
                (void) SetImageOption(image_info,option+1,"none");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            image_info->dither=MagickTrue;
            break;
          }
        break;
      }
      case 'e':
      {
        if (LocaleCompare("encoding",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("endian",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->endian=UndefinedEndian;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->endian=(EndianType) ParseCommandOption(
              MagickEndianOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("extract",option+1) == 0)
          {
            /*
              Set image extract geometry.
            */
            if (*option == '+')
              {
                if (image_info->extract != (char *) NULL)
                  image_info->extract=DestroyString(image_info->extract);
                break;
              }
            (void) CloneString(&image_info->extract,argv[i+1]);
            break;
          }
        break;
      }
      case 'f':
      {
        if (LocaleCompare("family",option+1) == 0)
          {
            if (*option != '+')
              (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("fill",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"none");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("filter",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("font",option+1) == 0)
          {
            if (*option == '+')
              {
                if (image_info->font != (char *) NULL)
                  image_info->font=DestroyString(image_info->font);
                break;
              }
            (void) CloneString(&image_info->font,argv[i+1]);
            break;
          }
        if (LocaleCompare("format",option+1) == 0)
          {
            register const char
              *q;

            for (q=strchr(argv[i+1],'%'); q != (char *) NULL; q=strchr(q+1,'%'))
              if (strchr("Agkrz@[#",*(q+1)) != (char *) NULL)
                image_info->ping=MagickFalse;
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("fuzz",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->fuzz=0.0;
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            image_info->fuzz=StringToDoubleInterval(argv[i+1],(double)
              QuantumRange+1.0);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'g':
      {
        if (LocaleCompare("gravity",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("green-primary",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0.0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'i':
      {
        if (LocaleCompare("intensity",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("intent",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("interlace",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->interlace=UndefinedInterlace;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->interlace=(InterlaceType) ParseCommandOption(
              MagickInterlaceOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("interline-spacing",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("interpolate",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("interword-spacing",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'k':
      {
        if (LocaleCompare("kerning",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'l':
      {
        if (LocaleCompare("label",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("limit",option+1) == 0)
          {
            MagickSizeType
              limit;

            ResourceType
              type;

            if (*option == '+')
              break;
            type=(ResourceType) ParseCommandOption(MagickResourceOptions,
              MagickFalse,argv[i+1]);
            limit=MagickResourceInfinity;
            if (LocaleCompare("unlimited",argv[i+2]) != 0)
              limit=(MagickSizeType) SiPrefixToDoubleInterval(argv[i+2],100.0);
            (void) SetMagickResourceLimit(type,limit);
            break;
          }
        if (LocaleCompare("list",option+1) == 0)
          {
            ssize_t
              list;

            /*
              Display configuration list.
            */
            list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i+1]);
            switch (list)
            {
              case MagickCoderOptions:
              {
                (void) ListCoderInfo((FILE *) NULL,exception);
                break;
              }
              case MagickColorOptions:
              {
                (void) ListColorInfo((FILE *) NULL,exception);
                break;
              }
              case MagickConfigureOptions:
              {
                (void) ListConfigureInfo((FILE *) NULL,exception);
                break;
              }
              case MagickDelegateOptions:
              {
                (void) ListDelegateInfo((FILE *) NULL,exception);
                break;
              }
              case MagickFontOptions:
              {
                (void) ListTypeInfo((FILE *) NULL,exception);
                break;
              }
              case MagickFormatOptions:
              {
                (void) ListMagickInfo((FILE *) NULL,exception);
                break;
              }
              case MagickLocaleOptions:
              {
                (void) ListLocaleInfo((FILE *) NULL,exception);
                break;
              }
              case MagickLogOptions:
              {
                (void) ListLogInfo((FILE *) NULL,exception);
                break;
              }
              case MagickMagicOptions:
              {
                (void) ListMagicInfo((FILE *) NULL,exception);
                break;
              }
              case MagickMimeOptions:
              {
                (void) ListMimeInfo((FILE *) NULL,exception);
                break;
              }
              case MagickModuleOptions:
              {
                (void) ListModuleInfo((FILE *) NULL,exception);
                break;
              }
              case MagickPolicyOptions:
              {
                (void) ListPolicyInfo((FILE *) NULL,exception);
                break;
              }
              case MagickResourceOptions:
              {
                (void) ListMagickResourceInfo((FILE *) NULL,exception);
                break;
              }
              case MagickThresholdOptions:
              {
                (void) ListThresholdMaps((FILE *) NULL,exception);
                break;
              }
              default:
              {
                (void) ListCommandOptions((FILE *) NULL,(CommandOption) list,
                  exception);
                break;
              }
            }
            break;
          }
        if (LocaleCompare("log",option+1) == 0)
          {
            if (*option == '+')
              break;
            (void) SetLogFormat(argv[i+1]);
            break;
          }
        if (LocaleCompare("loop",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'm':
      {
        if (LocaleCompare("matte",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"false");
                break;
              }
            (void) SetImageOption(image_info,option+1,"true");
            break;
          }
        if (LocaleCompare("mattecolor",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,argv[i+1]);
                (void) QueryColorDatabase(MogrifyMatteColor,
                  &image_info->matte_color,exception);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            (void) QueryColorDatabase(argv[i+1],&image_info->matte_color,
              exception);
            break;
          }
        if (LocaleCompare("metric",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("monitor",option+1) == 0)
          {
            (void) SetImageInfoProgressMonitor(image_info,MonitorProgress,
              (void *) NULL);
            break;
          }
        if (LocaleCompare("monochrome",option+1) == 0)
          {
            image_info->monochrome=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        break;
      }
      case 'o':
      {
        if (LocaleCompare("orient",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->orientation=UndefinedOrientation;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->orientation=(OrientationType) ParseCommandOption(
              MagickOrientationOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
      }
      case 'p':
      {
        if (LocaleCompare("page",option+1) == 0)
          {
            char
              *canonical_page,
              page[MaxTextExtent];

            const char
              *image_option;

            MagickStatusType
              flags;

            RectangleInfo
              geometry;

            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                (void) CloneString(&image_info->page,(char *) NULL);
                break;
              }
            (void) memset(&geometry,0,sizeof(geometry));
            image_option=GetImageOption(image_info,"page");
            if (image_option != (const char *) NULL)
              (void) ParseAbsoluteGeometry(image_option,&geometry);
            canonical_page=GetPageGeometry(argv[i+1]);
            flags=ParseAbsoluteGeometry(canonical_page,&geometry);
            canonical_page=DestroyString(canonical_page);
            (void) FormatLocaleString(page,MaxTextExtent,"%lux%lu",
              (unsigned long) geometry.width,(unsigned long) geometry.height);
            if (((flags & XValue) != 0) || ((flags & YValue) != 0))
              (void) FormatLocaleString(page,MaxTextExtent,"%lux%lu%+ld%+ld",
                (unsigned long) geometry.width,(unsigned long) geometry.height,
                (long) geometry.x,(long) geometry.y);
            (void) SetImageOption(image_info,option+1,page);
            (void) CloneString(&image_info->page,page);
            break;
          }
        if (LocaleCompare("pen",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"none");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("ping",option+1) == 0)
          {
            image_info->ping=(*option == '-') ? MagickTrue : MagickFalse;
            break;
          }
        if (LocaleCompare("pointsize",option+1) == 0)
          {
            if (*option == '+')
              geometry_info.rho=0.0;
            else
              (void) ParseGeometry(argv[i+1],&geometry_info);
            image_info->pointsize=geometry_info.rho;
            break;
          }
        if (LocaleCompare("precision",option+1) == 0)
          {
            (void) SetMagickPrecision(StringToInteger(argv[i+1]));
            break;
          }
        if (LocaleCompare("preview",option+1) == 0)
          {
            /*
              Preview image.
            */
            if (*option == '+')
              {
                image_info->preview_type=UndefinedPreview;
                break;
              }
            image_info->preview_type=(PreviewType) ParseCommandOption(
              MagickPreviewOptions,MagickFalse,argv[i+1]);
            break;
          }
        break;
      }
      case 'q':
      {
        if (LocaleCompare("quality",option+1) == 0)
          {
            /*
              Set image compression quality.
            */
            if (*option == '+')
              {
                image_info->quality=UndefinedCompressionQuality;
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            image_info->quality=StringToUnsignedLong(argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("quiet",option+1) == 0)
          {
            static WarningHandler
              warning_handler = (WarningHandler) NULL;

            if (*option == '+')
              {
                /*
                  Restore error or warning messages.
                */
                warning_handler=SetWarningHandler(warning_handler);
                break;
              }
            /*
              Suppress error or warning messages.
            */
            warning_handler=SetWarningHandler((WarningHandler) NULL);
            break;
          }
        break;
      }
      case 'r':
      {
        if (LocaleCompare("red-primary",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0.0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 's':
      {
        if (LocaleCompare("sampling-factor",option+1) == 0)
          {
            /*
              Set image sampling factor.
            */
            if (*option == '+')
              {
                if (image_info->sampling_factor != (char *) NULL)
                  image_info->sampling_factor=DestroyString(
                    image_info->sampling_factor);
                break;
              }
            (void) CloneString(&image_info->sampling_factor,argv[i+1]);
            break;
          }
        if (LocaleCompare("scene",option+1) == 0)
          {
            /*
              Set image scene.
            */
            if (*option == '+')
              {
                image_info->scene=0;
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            image_info->scene=StringToUnsignedLong(argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("seed",option+1) == 0)
          {
            unsigned long
              seed;

            if (*option == '+')
              {
                seed=(unsigned long) time((time_t *) NULL);
                SetRandomSecretKey(seed);
                break;
              }
            seed=StringToUnsignedLong(argv[i+1]);
            SetRandomSecretKey(seed);
            break;
          }
        if (LocaleCompare("size",option+1) == 0)
          {
            if (*option == '+')
              {
                if (image_info->size != (char *) NULL)
                  image_info->size=DestroyString(image_info->size);
                break;
              }
            (void) CloneString(&image_info->size,argv[i+1]);
            break;
          }
        if (LocaleCompare("stroke",option+1) == 0)
          {
            if (*option == '+')
              (void) SetImageOption(image_info,option+1,"none");
            else
              (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("strokewidth",option+1) == 0)
          {
            if (*option == '+')
              (void) SetImageOption(image_info,option+1,"0");
            else
              (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("style",option+1) == 0)
          {
            if (*option == '+')
              (void) SetImageOption(image_info,option+1,"none");
            else
              (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("synchronize",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->synchronize=MagickFalse;
                break;
              }
            image_info->synchronize=MagickTrue;
            break;
          }
        break;
      }
      case 't':
      {
        if (LocaleCompare("taint",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"false");
                break;
              }
            (void) SetImageOption(image_info,option+1,"true");
            break;
          }
        if (LocaleCompare("texture",option+1) == 0)
          {
            if (*option == '+')
              {
                if (image_info->texture != (char *) NULL)
                  image_info->texture=DestroyString(image_info->texture);
                break;
              }
            (void) CloneString(&image_info->texture,argv[i+1]);
            break;
          }
        if (LocaleCompare("tile-offset",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("transparent-color",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) QueryColorDatabase("none",&image_info->transparent_color,                  exception);
                (void) SetImageOption(image_info,option+1,"none");
                break;
              }
            (void) QueryColorDatabase(argv[i+1],&image_info->transparent_color,
              exception);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("type",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->type=UndefinedType;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->type=(ImageType) ParseCommandOption(MagickTypeOptions,
              MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'u':
      {
        if (LocaleCompare("undercolor",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) DeleteImageOption(image_info,option+1);
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("units",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->units=UndefinedResolution;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->units=(ResolutionType) ParseCommandOption(
              MagickResolutionOptions,MagickFalse,argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'v':
      {
        if (LocaleCompare("verbose",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->verbose=MagickFalse;
                break;
              }
            image_info->verbose=MagickTrue;
            image_info->ping=MagickFalse;
            break;
          }
        if (LocaleCompare("view",option+1) == 0)
          {
            if (*option == '+')
              {
                if (image_info->view != (char *) NULL)
                  image_info->view=DestroyString(image_info->view);
                break;
              }
            (void) CloneString(&image_info->view,argv[i+1]);
            break;
          }
        if (LocaleCompare("virtual-pixel",option+1) == 0)
          {
            if (*option == '+')
              {
                image_info->virtual_pixel_method=UndefinedVirtualPixelMethod;
                (void) SetImageOption(image_info,option+1,"undefined");
                break;
              }
            image_info->virtual_pixel_method=(VirtualPixelMethod)
              ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
              argv[i+1]);
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      case 'w':
      {
        if (LocaleCompare("weight",option+1) == 0)
          {
            if (*option == '+')
              (void) SetImageOption(image_info,option+1,"0");
            else
              (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        if (LocaleCompare("white-point",option+1) == 0)
          {
            if (*option == '+')
              {
                (void) SetImageOption(image_info,option+1,"0.0");
                break;
              }
            (void) SetImageOption(image_info,option+1,argv[i+1]);
            break;
          }
        break;
      }
      default:
        break;
    }
    i+=count;
  }
  return(MagickTrue);
}

Project: ImageMagick6
File: mogrify.c

WandExport MagickBooleanType MogrifyImages(ImageInfo *image_info,
  const MagickBooleanType post,const int argc,const char **argv,
  Image **images,ExceptionInfo *exception)
{
#define MogrifyImageTag  "Mogrify/Image"

  MagickStatusType
    status;

  MagickBooleanType
    proceed;

  size_t
    n;

  register ssize_t
    i;

  assert(image_info != (ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (images == (Image **) NULL)
    return(MogrifyImage(image_info,argc,argv,images,exception));
  assert((*images)->previous == (Image *) NULL);
  assert((*images)->signature == MagickCoreSignature);
  if ((*images)->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      (*images)->filename);
  if ((argc <= 0) || (*argv == (char *) NULL))
    return(MagickTrue);
  (void) SetImageInfoProgressMonitor(image_info,(MagickProgressMonitor) NULL,
    (void *) NULL);
  status=MagickTrue;
#if 0
  (void) FormatLocaleFile(stderr, "mogrify start %s %d (%s)\n",argv[0],argc,
    post?"post":"pre");
#endif
  /*
    Pre-process multi-image sequence operators
  */
  if (post == MagickFalse)
    status&=MogrifyImageList(image_info,argc,argv,images,exception);
  /*
    For each image, process simple single image operators
  */
  i=0;
  n=GetImageListLength(*images);
  for (;;)
  {
#if 0
  (void) FormatLocaleFile(stderr,"mogrify %ld of %ld\n",(long)
    GetImageIndexInList(*images),(long)GetImageListLength(*images));
#endif
    status&=MogrifyImage(image_info,argc,argv,images,exception);
    proceed=SetImageProgress(*images,MogrifyImageTag,(MagickOffsetType) i, n);
    if (proceed == MagickFalse)
      break;
    if ((*images)->next == (Image *) NULL)
      break;
    *images=(*images)->next;
    i++;
  }
  assert(*images != (Image *) NULL);
#if 0
  (void) FormatLocaleFile(stderr,"mogrify end %ld of %ld\n",(long)
    GetImageIndexInList(*images),(long)GetImageListLength(*images));
#endif
  /*
    Post-process, multi-image sequence operators
  */
  *images=GetFirstImageInList(*images);
  if (post != MagickFalse)
    status&=MogrifyImageList(image_info,argc,argv,images,exception);
  return(status != 0 ? MagickTrue : MagickFalse);
}

Project: ImageMagick6
File: mogrify.c

static MagickBooleanType MogrifyUsage(void)
{
  static const char
    miscellaneous[] =
      "  -debug events        display copious debugging information\n"
      "  -distribute-cache port\n"
      "                       distributed pixel cache spanning one or more servers\n"
      "  -help                print program options\n"
      "  -list type           print a list of supported option arguments\n"
      "  -log format          format of debugging information\n"
      "  -version             print version information",
    operators[] =
      "  -adaptive-blur geometry\n"
      "                       adaptively blur pixels; decrease effect near edges\n"
      "  -adaptive-resize geometry\n"
      "                       adaptively resize image using 'mesh' interpolation\n"
      "  -adaptive-sharpen geometry\n"
      "                       adaptively sharpen pixels; increase effect near edges\n"
      "  -alpha option        on, activate, off, deactivate, set, opaque, copy\n"
      "                       transparent, extract, background, or shape\n"
      "  -annotate geometry text\n"
      "                       annotate the image with text\n"
      "  -auto-gamma          automagically adjust gamma level of image\n"
      "  -auto-level          automagically adjust color levels of image\n"
      "  -auto-orient         automagically orient (rotate) image\n"
      "  -bench iterations    measure performance\n"
      "  -black-threshold value\n"
      "                       force all pixels below the threshold into black\n"
      "  -blue-shift          simulate a scene at nighttime in the moonlight\n"
      "  -blur geometry       reduce image noise and reduce detail levels\n"
      "  -border geometry     surround image with a border of color\n"
      "  -bordercolor color   border color\n"
      "  -brightness-contrast geometry\n"
      "                       improve brightness / contrast of the image\n"
      "  -canny geometry      detect edges in the image\n"
      "  -cdl filename        color correct with a color decision list\n"
      "  -charcoal radius     simulate a charcoal drawing\n"
      "  -chop geometry       remove pixels from the image interior\n"
      "  -clamp               keep pixel values in range (0-QuantumRange)\n"
      "  -clip                clip along the first path from the 8BIM profile\n"
      "  -clip-mask filename  associate a clip mask with the image\n"
      "  -clip-path id        clip along a named path from the 8BIM profile\n"
      "  -colorize value      colorize the image with the fill color\n"
      "  -color-matrix matrix apply color correction to the image\n"
      "  -connected-components connectivity\n"
      "                       connected-components uniquely labeled\n"
      "  -contrast            enhance or reduce the image contrast\n"
      "  -contrast-stretch geometry\n"
      "                       improve contrast by `stretching' the intensity range\n"
      "  -convolve coefficients\n"
      "                       apply a convolution kernel to the image\n"
      "  -cycle amount        cycle the image colormap\n"
      "  -decipher filename   convert cipher pixels to plain pixels\n"
      "  -deskew threshold    straighten an image\n"
      "  -despeckle           reduce the speckles within an image\n"
      "  -distort method args\n"
      "                       distort images according to given method ad args\n"
      "  -draw string         annotate the image with a graphic primitive\n"
      "  -edge radius         apply a filter to detect edges in the image\n"
      "  -encipher filename   convert plain pixels to cipher pixels\n"
      "  -emboss radius       emboss an image\n"
      "  -enhance             apply a digital filter to enhance a noisy image\n"
      "  -equalize            perform histogram equalization to an image\n"
      "  -evaluate operator value\n"
      "                       evaluate an arithmetic, relational, or logical expression\n"
      "  -extent geometry     set the image size\n"
      "  -extract geometry    extract area from image\n"
      "  -hough-lines geometry\n"
      "                       identify lines in the image\n"
      "  -features distance   analyze image features (e.g. contrast, correlation)\n"
      "  -fft                 implements the discrete Fourier transform (DFT)\n"
      "  -flip                flip image vertically\n"
      "  -floodfill geometry color\n"
      "                       floodfill the image with color\n"
      "  -flop                flop image horizontally\n"
      "  -frame geometry      surround image with an ornamental border\n"
      "  -function name parameters\n"
      "                       apply function over image values\n"
      "  -gamma value         level of gamma correction\n"
      "  -gaussian-blur geometry\n"
      "                       reduce image noise and reduce detail levels\n"
      "  -geometry geometry   preferred size or location of the image\n"
      "  -grayscale method    convert image to grayscale\n"
      "  -help                print program options\n"
      "  -identify            identify the format and characteristics of the image\n"
      "  -ift                 implements the inverse discrete Fourier transform (DFT)\n"
      "  -implode amount      implode image pixels about the center\n"
      "  -kuwahara geometry   edge preserving noise reduction filter\n"
      "  -lat geometry        local adaptive thresholding\n"
      "  -layers method       optimize, merge,  or compare image layers\n"
      "  -level value         adjust the level of image contrast\n"
      "  -level-colors color,color\n"
      "                       level image with the given colors\n"
      "  -linear-stretch geometry\n"
      "                       improve contrast by `stretching with saturation'\n"
      "  -liquid-rescale geometry\n"
      "                       rescale image with seam-carving\n"
      "  -local-contrast geometry\n"
      "                       enhance local contrast\n"
      "  -magnify             double the size of the image with pixel art scaling\n"
      "  -mean-shift geometry delineate arbitrarily shaped clusters in the image\n"
      "  -median geometry     apply a median filter to the image\n"
      "  -mode geometry       make each pixel the 'predominant color' of the\n"
      "                       neighborhood\n"
      "  -modulate value      vary the brightness, saturation, and hue\n"
      "  -monochrome          transform image to black and white\n"
      "  -morphology method kernel\n"
      "                       apply a morphology method to the image\n"
      "  -motion-blur geometry\n"
      "                       simulate motion blur\n"
      "  -negate              replace every pixel with its complementary color \n"
      "  -noise geometry      add or reduce noise in an image\n"
      "  -normalize           transform image to span the full range of colors\n"
      "  -opaque color        change this color to the fill color\n"
      "  -ordered-dither NxN\n"
      "                       add a noise pattern to the image with specific\n"
      "                       amplitudes\n"
      "  -paint radius        simulate an oil painting\n"
      "  -perceptible epsilon\n"
      "                       pixel value less than |epsilon| become epsilon or\n"
      "                       -epsilon\n"
      "  -polaroid angle      simulate a Polaroid picture\n"
      "  -posterize levels    reduce the image to a limited number of color levels\n"
      "  -profile filename    add, delete, or apply an image profile\n"
      "  -quantize colorspace reduce colors in this colorspace\n"
      "  -radial-blur angle   radial blur the image\n"
      "  -raise value         lighten/darken image edges to create a 3-D effect\n"
      "  -random-threshold low,high\n"
      "                       random threshold the image\n"
      "  -region geometry     apply options to a portion of the image\n"
      "  -render              render vector graphics\n"
      "  -resample geometry   change the resolution of an image\n"
      "  -resize geometry     resize the image\n"
      "  -roll geometry       roll an image vertically or horizontally\n"
      "  -rotate degrees      apply Paeth rotation to the image\n"
      "  -sample geometry     scale image with pixel sampling\n"
      "  -scale geometry      scale the image\n"
      "  -segment values      segment an image\n"
      "  -selective-blur geometry\n"
      "                       selectively blur pixels within a contrast threshold\n"
      "  -sepia-tone threshold\n"
      "                       simulate a sepia-toned photo\n"
      "  -set property value  set an image property\n"
      "  -shade degrees       shade the image using a distant light source\n"
      "  -shadow geometry     simulate an image shadow\n"
      "  -sharpen geometry    sharpen the image\n"
      "  -shave geometry      shave pixels from the image edges\n"
      "  -shear geometry      slide one edge of the image along the X or Y axis\n"
      "  -sigmoidal-contrast geometry\n"
      "                       increase the contrast without saturating highlights or\n"
      "                       shadows\n"
      "  -sketch geometry     simulate a pencil sketch\n"
      "  -solarize threshold  negate all pixels above the threshold level\n"
      "  -sparse-color method args\n"
      "                       fill in a image based on a few color points\n"
      "  -splice geometry     splice the background color into the image\n"
      "  -spread radius       displace image pixels by a random amount\n"
      "  -statistic type radius\n"
      "                       replace each pixel with corresponding statistic from the neighborhood\n"
      "  -strip               strip image of all profiles and comments\n"
      "  -swirl degrees       swirl image pixels about the center\n"
      "  -threshold value     threshold the image\n"
      "  -thumbnail geometry  create a thumbnail of the image\n"
      "  -tile filename       tile image when filling a graphic primitive\n"
      "  -tint value          tint the image with the fill color\n"
      "  -transform           affine transform image\n"
      "  -transparent color   make this color transparent within the image\n"
      "  -transpose           flip image vertically and rotate 90 degrees\n"
      "  -transverse          flop image horizontally and rotate 270 degrees\n"
      "  -trim                trim image edges\n"
      "  -type type           image type\n"
      "  -unique-colors       discard all but one of any pixel color\n"
      "  -unsharp geometry    sharpen the image\n"
      "  -vignette geometry   soften the edges of the image in vignette style\n"
      "  -wave geometry       alter an image along a sine wave\n"
      "  -wavelet-denoise threshold\n"
      "                       removes noise from the image using a wavelet transform\n"
      "  -white-threshold value\n"
      "                       force all pixels above the threshold into white",
    sequence_operators[] =
      "  -affinity filename   transform image colors to match this set of colors\n"
      "  -append              append an image sequence\n"
      "  -clut                apply a color lookup table to the image\n"
      "  -coalesce            merge a sequence of images\n"
      "  -combine             combine a sequence of images\n"
      "  -compare             mathematically and visually annotate the difference between an image and its reconstruction\n"
      "  -complex operator    perform complex mathematics on an image sequence\n"
      "  -composite           composite image\n"
      "  -copy geometry offset\n"
      "                       copy pixels from one area of an image to another\n"
      "  -crop geometry       cut out a rectangular region of the image\n"
      "  -deconstruct         break down an image sequence into constituent parts\n"
      "  -evaluate-sequence operator\n"
      "                       evaluate an arithmetic, relational, or logical expression\n"
      "  -flatten             flatten a sequence of images\n"
      "  -fx expression       apply mathematical expression to an image channel(s)\n"
      "  -hald-clut           apply a Hald color lookup table to the image\n"
      "  -layers method       optimize, merge, or compare image layers\n"
      "  -morph value         morph an image sequence\n"
      "  -mosaic              create a mosaic from an image sequence\n"
      "  -poly terms          build a polynomial from the image sequence and the corresponding\n"
      "                       terms (coefficients and degree pairs).\n"
      "  -print string        interpret string and print to console\n"
      "  -process arguments   process the image with a custom image filter\n"
      "  -separate            separate an image channel into a grayscale image\n"
      "  -smush geometry      smush an image sequence together\n"
      "  -write filename      write images to this file",
    settings[] =
      "  -adjoin              join images into a single multi-image file\n"
      "  -affine matrix       affine transform matrix\n"
      "  -alpha option        activate, deactivate, reset, or set the alpha channel\n"
      "  -antialias           remove pixel-aliasing\n"
      "  -authenticate password\n"
      "                       decipher image with this password\n"
      "  -attenuate value     lessen (or intensify) when adding noise to an image\n"
      "  -background color    background color\n"
      "  -bias value          add bias when convolving an image\n"
      "  -black-point-compensation\n"
      "                       use black point compensation\n"
      "  -blue-primary point  chromaticity blue primary point\n"
      "  -bordercolor color   border color\n"
      "  -caption string      assign a caption to an image\n"
      "  -cdl filename        color correct with a color decision list\n"
      "  -channel type        apply option to select image channels\n"
      "  -colors value        preferred number of colors in the image\n"
      "  -colorspace type     alternate image colorspace\n"
      "  -comment string      annotate image with comment\n"
      "  -compose operator    set image composite operator\n"
      "  -compress type       type of pixel compression when writing the image\n"
      "  -decipher filename   convert cipher pixels to plain pixels\n"
      "  -define format:option\n"
      "                       define one or more image format options\n"
      "  -delay value         display the next image after pausing\n"
      "  -density geometry    horizontal and vertical density of the image\n"
      "  -depth value         image depth\n"
      "  -direction type      render text right-to-left or left-to-right\n"
      "  -display server      get image or font from this X server\n"
      "  -dispose method      layer disposal method\n"
      "  -dither method       apply error diffusion to image\n"
      "  -encipher filename   convert plain pixels to cipher pixels\n"
      "  -encoding type       text encoding type\n"
      "  -endian type         endianness (MSB or LSB) of the image\n"
      "  -family name         render text with this font family\n"
      "  -features distance   analyze image features (e.g. contrast, correlation)\n"
      "  -fill color          color to use when filling a graphic primitive\n"
      "  -filter type         use this filter when resizing an image\n"
      "  -flatten             flatten a sequence of images\n"
      "  -font name           render text with this font\n"
      "  -format \"string\"     output formatted image characteristics\n"
      "  -function name       apply a function to the image\n"
      "  -fuzz distance       colors within this distance are considered equal\n"
      "  -gravity type        horizontal and vertical text placement\n"
      "  -green-primary point chromaticity green primary point\n"
      "  -intensity method    method to generate intensity value from pixel\n"
      "  -intent type         type of rendering intent when managing the image color\n"
      "  -interlace type      type of image interlacing scheme\n"
      "  -interline-spacing value\n"
      "                       set the space between two text lines\n"
      "  -interpolate method  pixel color interpolation method\n"
      "  -interword-spacing value\n"
      "                       set the space between two words\n"
      "  -kerning value       set the space between two letters\n"
      "  -label string        assign a label to an image\n"
      "  -limit type value    pixel cache resource limit\n"
      "  -loop iterations     add Netscape loop extension to your GIF animation\n"
      "  -mask filename       associate a mask with the image\n"
      "  -matte               store matte channel if the image has one\n"
      "  -mattecolor color    frame color\n"
      "  -monitor             monitor progress\n"
      "  -morphology method kernel\n"
      "                       apply a morphology method to the image\n"
      "  -orient type         image orientation\n"
      "  -page geometry       size and location of an image canvas (setting)\n"
      "  -path path           write images to this path on disk\n"
      "  -ping                efficiently determine image attributes\n"
      "  -pointsize value     font point size\n"
      "  -precision value     maximum number of significant digits to print\n"
      "  -preview type        image preview type\n"
      "  -quality value       JPEG/MIFF/PNG compression level\n"
      "  -quiet               suppress all warning messages\n"
      "  -red-primary point   chromaticity red primary point\n"
      "  -regard-warnings     pay attention to warning messages\n"
      "  -remap filename      transform image colors to match this set of colors\n"
      "  -repage geometry     size and location of an image canvas\n"
      "  -respect-parentheses settings remain in effect until parenthesis boundary\n"
      "  -sampling-factor geometry\n"
      "                       horizontal and vertical sampling factor\n"
      "  -scene value         image scene number\n"
      "  -seed value          seed a new sequence of pseudo-random numbers\n"
      "  -size geometry       width and height of image\n"
      "  -stretch type        render text with this font stretch\n"
      "  -stroke color        graphic primitive stroke color\n"
      "  -strokewidth value   graphic primitive stroke width\n"
      "  -style type          render text with this font style\n"
      "  -synchronize         synchronize image to storage device\n"
      "  -taint               declare the image as modified\n"
      "  -texture filename    name of texture to tile onto the image background\n"
      "  -tile-offset geometry\n"
      "                       tile offset\n"
      "  -treedepth value     color tree depth\n"
      "  -transparent-color color\n"
      "                       transparent color\n"
      "  -undercolor color    annotation bounding box color\n"
      "  -units type          the units of image resolution\n"
      "  -verbose             print detailed information about the image\n"
      "  -view                FlashPix viewing transforms\n"
      "  -virtual-pixel method\n"
      "                       virtual pixel access method\n"
      "  -weight type         render text with this font weight\n"
      "  -white-point point   chromaticity white point",
    stack_operators[] =
      "  -delete indexes      delete the image from the image sequence\n"
      "  -duplicate count,indexes\n"
      "                       duplicate an image one or more times\n"
      "  -insert index        insert last image into the image sequence\n"
      "  -reverse             reverse image sequence\n"
      "  -swap indexes        swap two images in the image sequence";

  ListMagickVersion(stdout);
  (void) printf("Usage: %s [options ...] file [ [options ...] file ...]\n",
    GetClientName());
  (void) printf("\nImage Settings:\n");
  (void) puts(settings);
  (void) printf("\nImage Operators:\n");
  (void) puts(operators);
  (void) printf("\nImage Sequence Operators:\n");
  (void) puts(sequence_operators);
  (void) printf("\nImage Stack Operators:\n");
  (void) puts(stack_operators);
  (void) printf("\nMiscellaneous Options:\n");
  (void) puts(miscellaneous);
  (void) printf(
    "\nBy default, the image format of `file' is determined by its magic\n");
  (void) printf(
    "number.  To specify a particular image format, precede the filename\n");
  (void) printf(
    "with an image format name and a colon (i.e. ps:image) or specify the\n");
  (void) printf(
    "image type as the filename suffix (i.e. image.ps).  Specify 'file' as\n");
  (void) printf("'-' for standard input or output.\n");
  return(MagickFalse);
}

Project: ImageMagick6
File: mogrify.c

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

  const char
    *locale_message;

  register char
    *p;

  wand_unreferenced(client_data);

  if ((extent <= 1) || (offset < 0) || (offset >= (MagickOffsetType) extent))
    return(MagickTrue);
  if ((offset != (MagickOffsetType) (extent-1)) && ((offset % 50) != 0))
    return(MagickTrue);
  (void) CopyMagickString(tag,text,MaxTextExtent);
  p=strrchr(tag,'/');
  if (p != (char *) NULL)
    *p='\0';
  (void) FormatLocaleString(message,MaxTextExtent,"Monitor/%s",tag);
  locale_message=GetLocaleMessage(message);
  if (locale_message == message)
    locale_message=tag;
  if (p == (char *) NULL)
    (void) FormatLocaleFile(stderr,"%s: %ld of %lu, %02ld%% complete\r",
      locale_message,(long) offset,(unsigned long) extent,(long)
      (100L*offset/(extent-1)));
  else
    (void) FormatLocaleFile(stderr,"%s[%s]: %ld of %lu, %02ld%% complete\r",
      locale_message,p+1,(long) offset,(unsigned long) extent,(long)
      (100L*offset/(extent-1)));
  if (offset == (MagickOffsetType) (extent-1))
    (void) FormatLocaleFile(stderr,"\n");
  (void) fflush(stderr);
  return(MagickTrue);
}

Project: ImageMagick6
File: mogrify.c

static Image *SparseColorOption(const Image *image,const ChannelType channel,
  const SparseColorMethod method,const char *arguments,
  const MagickBooleanType color_from_image,ExceptionInfo *exception)
{
  ChannelType
    channels;

  char
    token[MaxTextExtent];

  const char
    *p;

  double
    *sparse_arguments;

  Image
    *sparse_image;

  MagickBooleanType
    error;

  MagickPixelPacket
    color;

  register size_t
    x;

  size_t
    number_arguments,
    number_colors;

  /*
    SparseColorOption() parses the complex -sparse-color argument into an an
    array of floating point values then calls SparseColorImage().  Argument is
    a complex mix of floating-point pixel coodinates, and color specifications
    (or direct floating point numbers).  The number of floats needed to
    represent a color varies depending on the current channel setting.
  */
  assert(image != (Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  /*
    Limit channels according to image - and add up number of color channel.
  */
  channels=channel;
  if (image->colorspace != CMYKColorspace)
    channels=(ChannelType) (channels & ~IndexChannel);  /* no index channel */
  if (image->matte == MagickFalse)
    channels=(ChannelType) (channels & ~OpacityChannel);  /* no alpha channel */
  number_colors=0;
  if ((channels & RedChannel) != 0)
    number_colors++;
  if ((channels & GreenChannel) != 0)
    number_colors++;
  if ((channels & BlueChannel) != 0)
    number_colors++;
  if ((channels & IndexChannel) != 0)
    number_colors++;
  if ((channels & OpacityChannel) != 0)
    number_colors++;

  /*
    Read string, to determine number of arguments needed,
  */
  p=arguments;
  x=0;
  while( *p != '\0' )
  {
    GetNextToken(p,&p,MaxTextExtent,token);
    if ( token[0] == ',' ) continue;
    if ( isalpha((int) token[0]) || token[0] == '#' ) {
      if ( color_from_image ) {
        (void) ThrowMagickException(exception,GetMagickModule(),
            OptionError, "InvalidArgument", "`%s': %s", "sparse-color",
            "Color arg given, when colors are coming from image");
        return( (Image *) NULL);
      }
      x += number_colors;  /* color argument */
    }
    else {
      x++;   /* floating point argument */
    }
  }
  error=MagickTrue;
  if ( color_from_image ) {
    /* just the control points are being given */
    error = ( x % 2 != 0 ) ? MagickTrue : MagickFalse;
    number_arguments=(x/2)*(2+number_colors);
  }
  else {
    /* control points and color values */
    error = ( x % (2+number_colors) != 0 ) ? MagickTrue : MagickFalse;
    number_arguments=x;
  }
  if ( error ) {
    (void) ThrowMagickException(exception,GetMagickModule(),
               OptionError, "InvalidArgument", "`%s': %s", "sparse-color",
               "Invalid number of Arguments");
    return( (Image *) NULL);
  }

  /* Allocate and fill in the floating point arguments */
  sparse_arguments=(double *) AcquireQuantumMemory(number_arguments,
    sizeof(*sparse_arguments));
  if (sparse_arguments == (double *) NULL) {
    (void) ThrowMagickException(exception,GetMagickModule(),ResourceLimitError,
      "  MemoryAllocationFailed\n""%s","SparseColorOption");
    return( (Image *) NULL);
  }
  (void) memset(sparse_arguments,0,number_arguments*
    sizeof(*sparse_arguments));
  p=arguments;
  x=0;
  while( *p != '\0' && x < number_arguments ) {
    /* X coordinate */
    token[0]=',';
    while ( token[0] == ',' )
      GetNextToken(p,&p,MaxTextExtent,token);
    if ( token[0] == '\0' ) break;
    if ( isalpha((int) token[0]) || token[0] == '#' ) {
      (void) ThrowMagickException(exception,GetMagickModule(),
            OptionError, "InvalidArgument", "`%s': %s", "sparse-color",
            "Color found, instead of X-coord");
      error = MagickTrue;
      break;
    }
    sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
    /* Y coordinate */
    token[0]=','; while ( token[0] == ',' ) GetNextToken(p,&p,MaxTextExtent,token);
    if ( token[0] == '\0' ) break;
    if ( isalpha((int) token[0]) || token[0] == '#' ) {
      (void) ThrowMagickException(exception,GetMagickModule(),
            OptionError, "InvalidArgument", "`%s': %s", "sparse-color",
            "Color found, instead of Y-coord");
      error = MagickTrue;
      break;
    }
    sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
    /* color values for this control point */
#if 0
    if ( (color_from_image ) {
      /* get color from image */
      /* HOW??? */
    }
    else
#endif
    {
      /* color name or function given in string argument */
      token[0]=',';
      while ( token[0] == ',' )
        GetNextToken(p,&p,MaxTextExtent,token);
      if ( token[0] == '\0' ) break;
      if ( isalpha((int) token[0]) || token[0] == '#' ) {
        /* Color string given */
        (void) QueryMagickColor(token,&color,exception);
        if ( channels & RedChannel )
          sparse_arguments[x++] = QuantumScale*color.red;
        if ( channels & GreenChannel )
          sparse_arguments[x++] = QuantumScale*color.green;
        if ( channels & BlueChannel )
          sparse_arguments[x++] = QuantumScale*color.blue;
        if ( channels & IndexChannel )
          sparse_arguments[x++] = QuantumScale*color.index;
        if ( channels & OpacityChannel )
          sparse_arguments[x++] = QuantumScale*color.opacity;
      }
      else {
        /* Colors given as a set of floating point values - experimental */
        /* NB: token contains the first floating point value to use! */
        if ( channels & RedChannel ) {
          while ( token[0] == ',' )
            GetNextToken(p,&p,MaxTextExtent,token);
          if ( token[0] == '\0' || isalpha((int)token[0]) || token[0] == '#' )
            break;
          sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
          token[0] = ','; /* used this token - get another */
        }
        if ( channels & GreenChannel ) {
          while ( token[0] == ',' )
            GetNextToken(p,&p,MaxTextExtent,token);
          if ( token[0] == '\0' || isalpha((int)token[0]) || token[0] == '#' )
            break;
          sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
          token[0] = ','; /* used this token - get another */
        }
        if ( channels & BlueChannel ) {
          while ( token[0] == ',' )
            GetNextToken(p,&p,MaxTextExtent,token);
          if ( token[0] == '\0' || isalpha((int)token[0]) || token[0] == '#' )
            break;
          sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
          token[0] = ','; /* used this token - get another */
        }
        if ( channels & IndexChannel ) {
          while ( token[0] == ',' )
            GetNextToken(p,&p,MaxTextExtent,token);
          if ( token[0] == '\0' || isalpha((int)token[0]) || token[0] == '#' )
            break;
          sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
          token[0] = ','; /* used this token - get another */
        }
        if ( channels & OpacityChannel ) {
          while ( token[0] == ',' )
            GetNextToken(p,&p,MaxTextExtent,token);
          if ( token[0] == '\0' || isalpha((int)token[0]) || token[0] == '#' )
            break;
          sparse_arguments[x++]=StringToDouble(token,(char **) NULL);
          token[0] = ','; /* used this token - get another */
        }
      }
    }
  }
  if ( number_arguments != x && !error ) {
    (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
      "  InvalidArgument","`%s': %s","sparse-color","Argument Parsing Error");
    sparse_arguments=(double *) RelinquishMagickMemory(sparse_arguments);
    return( (Image *) NULL);
  }
  if ( error )
    return( (Image *) NULL);

  /* Call the Interpolation function with the parsed arguments */
  sparse_image=SparseColorImage(image,channels,method,number_arguments,
    sparse_arguments,exception);
  sparse_arguments=(double *) RelinquishMagickMemory(sparse_arguments);
  return( sparse_image );
}