/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e D E B U G I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteDEBUGImage writes the image pixel values with 20 places of precision.
%
%  The format of the WriteDEBUGImage method is:
%
%      MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
  Image *image,ExceptionInfo *exception)
{
  char
    buffer[MagickPathExtent],
    colorspace[MagickPathExtent],
    tuple[MagickPathExtent];

  ssize_t
    y;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  PixelInfo
    pixel;

  register const Quantum
    *p;

  register ssize_t
    x;

  /*
    Open output image file.
  */
  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);
  status=OpenBlob(image_info,image,WriteBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    (void) CopyMagickString(colorspace,CommandOptionToMnemonic(
      MagickColorspaceOptions,(ssize_t) image->colorspace),MagickPathExtent);
    LocaleLower(colorspace);
    image->depth=GetImageQuantumDepth(image,MagickTrue);
    if (image->alpha_trait != UndefinedPixelTrait)
      (void) ConcatenateMagickString(colorspace,"a",MagickPathExtent);
    (void) FormatLocaleString(buffer,MagickPathExtent,
      "# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double)
      image->columns,(double) image->rows,(double) ((MagickOffsetType)
      GetQuantumRange(image->depth)),colorspace);
    (void) WriteBlobString(image,buffer);
    GetPixelInfo(image,&pixel);
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      p=GetVirtualPixels(image,0,y,image->columns,1,exception);
      if (p == (const Quantum *) NULL)
        break;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g,%.20g: ",(double)
          x,(double) y);
        (void) WriteBlobString(image,buffer);
        GetPixelInfoPixel(image,p,&pixel);
        (void) FormatLocaleString(tuple,MagickPathExtent,"%.20g,%.20g,%.20g ",
          (double) pixel.red,(double) pixel.green,(double) pixel.blue);
        if (pixel.colorspace == CMYKColorspace)
          {
            char
              black[MagickPathExtent];

            (void) FormatLocaleString(black,MagickPathExtent,",%.20g ",
              (double) pixel.black);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d A V S I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadAVSImage() reads an AVS X image file and returns it.  It
%  allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadAVSImage method is:
%
%      Image *ReadAVSImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadAVSImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  Image
    *image;

  MagickBooleanType
    status;

  register PixelPacket
    *q;

  register ssize_t
    x;

  register unsigned char
    *p;

  size_t
    height,
    length,
    width;

  ssize_t
    count,
    y;

  unsigned char
    *pixels;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Read AVS X image.
  */
  width=ReadBlobMSBLong(image);
  height=ReadBlobMSBLong(image);
  if (EOFBlob(image) != MagickFalse)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((width == 0UL) || (height == 0UL))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  do
  {
    /*
      Convert AVS raster image to pixel packets.
    */
    image->columns=width;
    image->rows=height;
    image->depth=8;
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    pixels=(unsigned char *) AcquireQuantumMemory(image->columns,
      4*sizeof(*pixels));
    if (pixels == (unsigned char *) NULL) 
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    length=(size_t) 4*image->columns;
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      count=ReadBlob(image,length,pixels);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e J P 2 I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteJP2Image() writes an image in the JPEG 2000 image format.
%
%  JP2 support originally written by Nathan Brown, [email protected]
%
%  The format of the WriteJP2Image method is:
%
%      MagickBooleanType WriteJP2Image(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  char
    *key,
    magick[MaxTextExtent],
    *options;

  const char
    *option;

  jas_image_cmptparm_t
    component_info[4];

  jas_image_t
    *jp2_image;

  jas_matrix_t
    *pixels[4];

  jas_stream_t
    *jp2_stream;

  MagickBooleanType
    status;

  QuantumAny
    range;

  register const Quantum
    *p;

  register ssize_t
    i,
    x;

  size_t
    number_components;

  ssize_t
    format,
    y;

  /*
    Open image file.
  */
  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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  /*
    Initialize JPEG 2000 API.
  */
  if (IsRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
  jp2_stream=JP2StreamManager(image);
  if (jp2_stream == (jas_stream_t *) NULL)
    ThrowWriterException(DelegateError,"UnableToManageJP2Stream");
  number_components=image->matte ? 4UL : 3UL;
  if ((image_info->type != TrueColorType) &&
      (IsImageGray(image,exception) != MagickFalse))
    number_components=1;
  if ((image->columns != (unsigned int) image->columns) ||
      (image->rows != (unsigned int) image->rows))
//.........这里部分代码省略.........

SQLiteBlob::SQLiteBlob(SQLiteDatabase *db, std::string symbolicDatabaseName, std::string tableName, std::string columnName, int64 rowId, BLOB_ACCESS_MODE accessMode):
	mBlobHandle(0)
{
	OpenBlob(db, symbolicDatabaseName, tableName, columnName, rowId, accessMode);
}

static MagickBooleanType WriteSGIImage(const ImageInfo *image_info,Image *image)
{
  CompressionType
    compression;

  const char
    *value;

  ssize_t
    y,
    z;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  MagickSizeType
    number_pixels;

  SGIInfo
    iris_info;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  register unsigned char
    *q;

  unsigned char
    *iris_pixels,
    *packets;

  /*
    Open output image file.
  */
  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 ((image->columns > 65535UL) || (image->rows > 65535UL))
    ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    /*
      Initialize SGI raster file header.
    */
    if (image->colorspace != RGBColorspace)
      (void) TransformImageColorspace(image,RGBColorspace);
    (void) ResetMagickMemory(&iris_info,0,sizeof(iris_info));
    iris_info.magic=0x01DA;
    compression=image->compression;
    if (image_info->compression != UndefinedCompression)
      compression=image_info->compression;
    if (image->depth > 8)
      compression=NoCompression;
    if (compression == NoCompression)
      iris_info.storage=(unsigned char) 0x00;
    else
      iris_info.storage=(unsigned char) 0x01;
    iris_info.bytes_per_pixel=(unsigned char) (image->depth > 8 ? 2 : 1);
    iris_info.dimension=3;
    iris_info.columns=(unsigned short) image->columns;
    iris_info.rows=(unsigned short) image->rows;
    if (image->matte != MagickFalse)
      iris_info.depth=4;
    else
      {
        if ((image_info->type != TrueColorType) &&
            (IsGrayImage(image,&image->exception) != MagickFalse))
          {
            iris_info.dimension=2;
            iris_info.depth=1;
          }
        else
          iris_info.depth=3;
      }
    iris_info.minimum_value=0;
    iris_info.maximum_value=(size_t) (image->depth <= 8 ?
      1UL*ScaleQuantumToChar((Quantum) QuantumRange) :
      1UL*ScaleQuantumToShort((Quantum) QuantumRange));
    /*
      Write SGI header.
    */
    (void) WriteBlobMSBShort(image,iris_info.magic);
    (void) WriteBlobByte(image,iris_info.storage);
    (void) WriteBlobByte(image,iris_info.bytes_per_pixel);
    (void) WriteBlobMSBShort(image,iris_info.dimension);
    (void) WriteBlobMSBShort(image,iris_info.columns);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d H D R I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadHDRImage() reads the Radiance RGBE image format and returns it.  It
%  allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadHDRImage method is:
%
%      Image *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadHDRImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    format[MaxTextExtent],
    keyword[MaxTextExtent],
    tag[MaxTextExtent],
    value[MaxTextExtent];

  double
    gamma;

  Image
    *image;

  int
    c;

  MagickBooleanType
    status,
    value_expected;

  register PixelPacket
    *q;

  register unsigned char
    *p;

  register ssize_t
    i,
    x;

  ssize_t
    count,
    y;

  unsigned char
    *end,
    pixel[4],
    *pixels;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Decode image header.
  */
  image->columns=0;
  image->rows=0;
  *format='\0';
  c=ReadBlobByte(image);
  if (c == EOF)
    {
      image=DestroyImage(image);
      return((Image *) NULL);
    }
  while (isgraph(c) && (image->columns == 0) && (image->rows == 0))
  {
    if (c == (int) '#')
      {
        char
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e Y C b C r I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteYCBCRImage() writes an image to a file in the YCbCr or YCbCrA
%  rasterfile format.
%
%  The format of the WriteYCBCRImage method is:
%
%      MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteYCBCRImage(const ImageInfo *image_info,
  Image *image)
{
  ssize_t
    y;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  QuantumInfo
    *quantum_info;

  QuantumType
    quantum_type;

  register const PixelPacket
    *p;

  ssize_t
    count;

  size_t
    length;

  unsigned char
    *pixels;

  /*
    Allocate memory for pixels.
  */
  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 (image_info->interlace != PartitionInterlace)
    {
      /*
        Open output image file.
      */
      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
      if (status == MagickFalse)
        return(status);
    }
  quantum_type=RGBQuantum;
  if (LocaleCompare(image_info->magick,"YCbCrA") == 0)
    {
      quantum_type=RGBAQuantum;
      image->matte=MagickTrue;
    }
  scene=0;
  do
  {
    /*
      Convert MIFF to YCbCr raster pixels.
    */
    if (image->colorspace != YCbCrColorspace)
      (void) TransformImageColorspace(image,YCbCrColorspace);
    if ((LocaleCompare(image_info->magick,"YCbCrA") == 0) &&
        (image->matte == MagickFalse))
      (void) SetImageAlphaChannel(image,ResetAlphaChannel);
    quantum_info=AcquireQuantumInfo(image_info,image);
    if (quantum_info == (QuantumInfo *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    pixels=GetQuantumPixels(quantum_info);
    switch (image_info->interlace)
    {
      case NoInterlace:
      default:
      {
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e H R Z I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteHRZImage() writes an image to a file in HRZ X image format.
%
%  The format of the WriteHRZImage method is:
%
%      MagickBooleanType WriteHRZImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteHRZImage(const ImageInfo *image_info,Image *image)
{
  Image
    *hrz_image;

  MagickBooleanType
    status;

  register const PixelPacket
    *p;

  register ssize_t
    x,
    y;

  register unsigned char
    *q;

  ssize_t
    count;

  unsigned char
    *pixels;

  /*
    Open output image file.
  */
  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);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == MagickFalse)
    return(status);
  hrz_image=ResizeImage(image,256,240,image->filter,image->blur,
    &image->exception);
  if (hrz_image == (Image *) NULL)
    return(MagickFalse);
  if (hrz_image->colorspace != RGBColorspace)
    (void) TransformImageColorspace(hrz_image,RGBColorspace);
  /*
    Allocate memory for pixels.
  */
  pixels=(unsigned char *) AcquireQuantumMemory((size_t) hrz_image->columns,
    3*sizeof(*pixels));
  if (pixels == (unsigned char *) NULL)
    {
      hrz_image=DestroyImage(hrz_image);
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    }
  /*
    Convert MIFF to HRZ raster pixels.
  */
  for (y=0; y < (ssize_t) hrz_image->rows; y++)
  {
    p=GetVirtualPixels(hrz_image,0,y,hrz_image->columns,1,&image->exception);
    if (p == (PixelPacket *) NULL)
      break;
    q=pixels;
    for (x=0; x < (ssize_t) hrz_image->columns; x++)
    {
      *q++=ScaleQuantumToChar(GetPixelRed(p))/4;
      *q++=ScaleQuantumToChar(GetPixelGreen(p))/4;
      *q++=ScaleQuantumToChar(GetPixelBlue(p))/4;
      p++;
    }
    count=WriteBlob(image,(size_t) (q-pixels),pixels);
    if (count != (ssize_t) (q-pixels))
      break;
    status=SetImageProgress(image,SaveImageTag,y,hrz_image->rows);
    if (status == MagickFalse)
      break;
  }
  pixels=(unsigned char *) RelinquishMagickMemory(pixels);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d H R Z I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadHRZImage() reads a Slow Scan TeleVision image file and returns it.  It
%  allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadHRZImage method is:
%
%      Image *ReadHRZImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadHRZImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  Image
    *image;

  MagickBooleanType
    status;

  register ssize_t
    x;

  register PixelPacket
    *q;

  register unsigned char
    *p;

  ssize_t
    count,
    y;

  size_t
    length;

  unsigned char
    *pixels;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Convert HRZ raster image to pixel packets.
  */
  image->columns=256;
  image->rows=240;
  image->depth=8;
  pixels=(unsigned char *) AcquireQuantumMemory(image->columns,3*
    sizeof(*pixels));
  if (pixels == (unsigned char *) NULL) 
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  length=(size_t) (3*image->columns);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    count=ReadBlob(image,length,pixels);
    if ((size_t) count != length)
      ThrowReaderException(CorruptImageError,"UnableToReadImageData");
    p=pixels;
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      break;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelRed(q,4*ScaleCharToQuantum(*p++));
      SetPixelGreen(q,4*ScaleCharToQuantum(*p++));
      SetPixelBlue(q,4*ScaleCharToQuantum(*p++));
      SetPixelOpacity(q,OpaqueOpacity);
      q++;
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
//.........这里部分代码省略.........

static Image *ReadSFWImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  static unsigned char
    HuffmanTable[] =
    {
      0xFF, 0xC4, 0x01, 0xA2, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01,
      0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
      0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
      0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
      0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x10, 0x00, 0x02, 0x01,
      0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00,
      0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21,
      0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32,
      0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1,
      0xF0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18,
      0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36,
      0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
      0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64,
      0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77,
      0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A,
      0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3,
      0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5,
      0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
      0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
      0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA,
      0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0x11,
      0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05, 0x04,
      0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11, 0x04,
      0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, 0x13,
      0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1, 0x09,
      0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16, 0x24,
      0x34, 0xE1, 0x25, 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, 0x28,
      0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45,
      0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
      0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73,
      0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85,
      0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
      0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9,
      0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2,
      0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4,
      0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
      0xE7, 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
      0xF9, 0xFA
    };

  FILE
    *file;

  Image
    *flipped_image,
    *jpeg_image,
    *image;

  ImageInfo
    *read_info;

  int
    unique_file;

  MagickBooleanType
    status;

  register unsigned char
    *header,
    *data;

  size_t
    extent;

  ssize_t
    count;

  unsigned char
    *buffer,
    *offset;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AcquireImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Read image into a buffer.
  */
  if (GetBlobSize(image) != (size_t) GetBlobSize(image))
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  buffer=(unsigned char *) AcquireQuantumMemory((size_t) GetBlobSize(image),
//.........这里部分代码省略.........

static MagickBooleanType WriteMPEGImage(const ImageInfo *image_info,
                                        Image *image)
{
#define WriteMPEGIntermediateFormat "jpg"

    char
    basename[MaxTextExtent],
             filename[MaxTextExtent];

    double
    delay;

    Image
    *coalesce_image;

    ImageInfo
    *write_info;

    int
    file;

    MagickBooleanType
    status;

    register Image
    *p;

    register long
    i;

    size_t
    length;

    unsigned char
    *blob;

    unsigned long
    count,
    scene;

    /*
      Open output image file.
    */
    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);
    status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
    if (status == MagickFalse)
        return(status);
    (void) CloseBlob(image);
    /*
      Write intermediate files.
    */
    coalesce_image=CoalesceImages(image,&image->exception);
    if (coalesce_image == (Image *) NULL)
        return(MagickFalse);
    file=AcquireUniqueFileResource(basename);
    if (file != -1)
        file=close(file)-1;
    (void) FormatMagickString(coalesce_image->filename,MaxTextExtent,"%s",
                              basename);
    count=0;
    write_info=CloneImageInfo(image_info);
    for (p=coalesce_image; p != (Image *) NULL; p=GetNextImageInList(p))
    {
        char
        previous_image[MaxTextExtent];

        blob=(unsigned char *) NULL;
        length=0;
        scene=p->scene;
        delay=100.0*p->delay/MagickMax(1.0*p->ticks_per_second,1.0);
        for (i=0; i < (long) MagickMax((1.0*delay+1.0)/3.0,1.0); i++)
        {
            p->scene=count;
            count++;
            status=MagickFalse;
            switch (i)
            {
            case 0:
            {
                Image
                *frame;

                (void) FormatMagickString(p->filename,MaxTextExtent,"%s%lu.%s",
                                          basename,p->scene,WriteMPEGIntermediateFormat);
                (void) FormatMagickString(filename,MaxTextExtent,"%s%lu.%s",
                                          basename,p->scene,WriteMPEGIntermediateFormat);
                (void) FormatMagickString(previous_image,MaxTextExtent,
                                          "%s%lu.%s",basename,p->scene,WriteMPEGIntermediateFormat);
                frame=CloneImage(p,0,0,MagickTrue,&p->exception);
                if (frame == (Image *) NULL)
                    break;
                status=WriteImage(write_info,frame);
                frame=DestroyImage(frame);
                break;
            }
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d M T V I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Method ReadMTVImage reads a MTV image file and returns it.  It allocates
%  the memory necessary for the new Image structure and returns a pointer to
%  the new image.
%
%  The format of the ReadMTVImage method is:
%
%      Image *ReadMTVImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image:  Method ReadMTVImage returns a pointer to the image after
%      reading.  A null image is returned if there is a memory shortage or
%      if the image cannot be read.
%
%    o image_info: Specifies a pointer to a ImageInfo structure.
%
%    o exception: return any errors or warnings in this structure.
%
%
*/
static Image *ReadMTVImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  char
    buffer[MaxTextExtent];

  Image
    *image;

  long
    count,
    y;

  register long
    x;

  register PixelPacket
    *q;

  register unsigned char
    *p;

  unsigned char
    *pixels;

  unsigned int
    status;

  unsigned long
    columns,
    rows;

  /*
    Open image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  image=AllocateImage(image_info);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == False)
    ThrowReaderException(FileOpenError,UnableToOpenFile,image);
  /*
    Read MTV image.
  */
  (void) ReadBlobString(image,buffer);
  columns=0;
  rows=0;
  count=sscanf(buffer,"%lu %lu\n",&columns,&rows);
  if (count != 2)
    ThrowReaderException(CorruptImageError,ImproperImageHeader,image);
  do
  {
    size_t
      row_size;
    
    /*
      Initialize image structure.
    */
    image->columns=columns;
    image->rows=rows;
    image->depth=8;
    if (image_info->ping && (image_info->subrange != 0))
      if (image->scene >= (image_info->subimage+image_info->subrange-1))
        break;
    /*
      Convert MTV raster image to pixel packets.
    */
    pixels=MagickAllocateArray(unsigned char *,image->columns,3);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e M T V I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Method WriteMTVImage writes an image to a file in red, green, and blue
%  MTV rasterfile format.
%
%  The format of the WriteMTVImage method is:
%
%      unsigned int WriteMTVImage(const ImageInfo *image_info,Image *image)
%
%  A description of each parameter follows.
%
%    o status: Method WriteMTVImage return True if the image is written.
%      False is returned is there is a memory shortage or if the image file
%      fails to write.
%
%    o image_info: Specifies a pointer to a ImageInfo structure.
%
%    o image:  A pointer to an Image structure.
%
%
*/
static unsigned int WriteMTVImage(const ImageInfo *image_info,Image *image)
{
  char
    buffer[MaxTextExtent];

  int
    y;

  register const PixelPacket
    *p;

  register long
    x;

  register unsigned char
    *q;

  unsigned char
    *pixels;

  unsigned int
    status;

  unsigned long
    scene;

  /*
    Open output image file.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
  if (status == False)
    ThrowWriterException(FileOpenError,UnableToOpenFile,image);
  scene=0;
  do
  {
    /*
      Allocate memory for pixels.
    */
    (void) TransformColorspace(image,RGBColorspace);
    pixels=MagickAllocateMemory(unsigned char *,
      image->columns*sizeof(PixelPacket));
    if (pixels == (unsigned char *) NULL)
      ThrowWriterException(ResourceLimitError,MemoryAllocationFailed,image);
    /*
      Initialize raster file header.
    */
    FormatString(buffer,"%lu %lu\n",image->columns,image->rows);
    (void) WriteBlobString(image,buffer);
    for (y=0; y < (long) image->rows; y++)
    {
      p=AcquireImagePixels(image,0,y,image->columns,1,&image->exception);
      if (p == (const PixelPacket *) NULL)
        break;
      q=pixels;
      for (x=0; x < (long) image->columns; x++)
      {
        *q++=ScaleQuantumToChar(p->red);
        *q++=ScaleQuantumToChar(p->green);
        *q++=ScaleQuantumToChar(p->blue);
        p++;
      }
      (void) WriteBlob(image,q-pixels,(char *) pixels);
      if (image->previous == (Image *) NULL)
        if (QuantumTick(y,image->rows))
          if (!MagickMonitorFormatted(y,image->rows,&image->exception,
                                      SaveImageText,image->filename,
//.........这里部分代码省略.........

WizardExport WizardBooleanType KeyringCommand(int argc,char **argv,
  ExceptionInfo *exception)
{
#define DestroyKeyring() \
{ \
  for (i=0; i < (ssize_t) argc; i++) \
    argv[i]=DestroyString(argv[i]); \
  argv=(char **) RelinquishWizardMemory(argv); \
}
#define ThrowKeyringException(asperity,tag,context) \
{ \
  (void) ThrowWizardException(exception,GetWizardModule(),asperity,tag, \
    context); \
  DestroyKeyring(); \
  return(WizardFalse); \
}
#define ThrowInvalidArgumentException(option,argument) \
{ \
  (void) ThrowWizardException(exception,GetWizardModule(),OptionError, \
    "invalid argument: `%s': %s",argument,option); \
  DestroyKeyring(); \
  return(WizardFalse); \
}

  BlobInfo
    *keyring_blob;

  const char
    *option;

  register ssize_t
    i;

  WizardBooleanType
    status;

  /*
    Parse command-line options.
  */
  if (argc == 2)
    {
      option=argv[1];
      if ((LocaleCompare("version",option+1) == 0) ||
          (LocaleCompare("-version",option+1) == 0))
        {
          (void) fprintf(stdout,"Version: %s\n",GetWizardVersion(
            (size_t *) NULL));
          (void) fprintf(stdout,"Copyright: %s\n\n",GetWizardCopyright());
          return(WizardTrue);
        }
    }
  if (argc < 2)
    KeyringUsage();
  status=ExpandFilenames(&argc,&argv);
  if (status == WizardFalse)
    ThrowKeyringException(ResourceError,"memory allocation failed: `%s'",
      strerror(errno));
  for (i=1; i < (argc-1); i++)
  {
    option=argv[i];
    if (LocaleCompare(option+1,"export") == 0)
      {
        status=ExportKeyring(argc,argv,exception);
        DestroyKeyring();
        return(status);
      }
  }
  keyring_blob=OpenBlob(argv[argc-1],WriteBinaryBlobMode,WizardTrue,exception);
  if (keyring_blob == (BlobInfo *) NULL)
    return(WizardFalse);
  (void) WriteBlobString(keyring_blob,"<?xml version=\"1.0\"?>\n");
  (void) WriteBlobString(keyring_blob,"<rdf:RDF xmlns:rdf=\""
    "http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n");
  (void) WriteBlobString(keyring_blob,"         xmlns:keyring=\""
    "http://www.wizards-toolkit.org/keyring/1.0/\">\n");
  for (i=1; i < (ssize_t) (argc-1); i++)
  {
    option=argv[i];
    if (IsWizardOption(option) != WizardFalse)
      switch (*(option+1))
      {
        case 'd':
        {
          if (LocaleCompare(option,"-debug") == 0)
            {
              LogEventType
                event_mask;

              i++;
              if (i == (ssize_t) argc)
                ThrowKeyringException(OptionError,"missing log event mask: "
                  "`%s'",option);
              event_mask=SetLogEventMask(argv[i]);
              if (event_mask == UndefinedEvents)
                ThrowKeyringException(OptionFatalError,"unrecognized log event "
                  "type: `%s'",argv[i]);
              break;
            }
          ThrowKeyringException(OptionFatalError,"unrecognized option: `%s'",
            option);
//.........这里部分代码省略.........

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d P C L I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadPCLImage() reads a Printer Control Language image file and returns it.
%  It allocates the memory necessary for the new Image structure and returns a
%  pointer to the new image.
%
%  The format of the ReadPCLImage method is:
%
%      Image *ReadPCLImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadPCLImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define CropBox  "CropBox"
#define DeviceCMYK  "DeviceCMYK"
#define MediaBox  "MediaBox"
#define RenderPCLText  "  Rendering PCL...  "

  char
    command[MaxTextExtent],
    density[MaxTextExtent],
    filename[MaxTextExtent],
    geometry[MaxTextExtent],
    options[MaxTextExtent],
    input_filename[MaxTextExtent];

  const char
    *option;

  const DelegateInfo
    *delegate_info;

  Image
    *image,
    *next_image;

  ImageInfo
    *read_info;

  MagickBooleanType
    cmyk,
    status;

  PointInfo
    delta;

  RectangleInfo
    bounding_box,
    page;

  register char
    *p;

  register ssize_t
    c;

  SegmentInfo
    bounds;

  size_t
    height,
    width;

  ssize_t
    count