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C++ AcquireQuantumInfo函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中AcquireQuantumInfo函数的典型用法代码示例。如果您正苦于以下问题：C++ AcquireQuantumInfo函数的具体用法？C++ AcquireQuantumInfo怎么用？C++ AcquireQuantumInfo使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了AcquireQuantumInfo函数的19个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: assert


//.........这里部分代码省略.........
                                       cin.film.prefix);
        cin.film.count=ReadBlobLong(image);
        offset+=4;
        offset+=ReadBlob(image,sizeof(cin.film.format),(unsigned char *)
                         cin.film.format);
        (void) SetImageProperty(image,"dpx:film.format",cin.film.format,
                                exception);
        cin.film.frame_position=ReadBlobLong(image);
        offset+=4;
        if (cin.film.frame_position != ~0UL)
            (void) FormatImageProperty(image,"dpx:film.frame_position","%.20g",
                                       (double) cin.film.frame_position);
        cin.film.frame_rate=ReadBlobFloat(image);
        offset+=4;
        if (IsFloatDefined(cin.film.frame_rate) != MagickFalse)
            (void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
                                       cin.film.frame_rate);
        offset+=ReadBlob(image,sizeof(cin.film.frame_id),(unsigned char *)
                         cin.film.frame_id);
        (void) SetImageProperty(image,"dpx:film.frame_id",cin.film.frame_id,
                                exception);
        offset+=ReadBlob(image,sizeof(cin.film.slate_info),(unsigned char *)
                         cin.film.slate_info);
        (void) SetImageProperty(image,"dpx:film.slate_info",cin.film.slate_info,
                                exception);
        offset+=ReadBlob(image,sizeof(cin.film.reserve),(unsigned char *)
                         cin.film.reserve);
    }
    if ((cin.file.image_offset > 2048) && (cin.file.user_length != 0))
    {
        StringInfo
        *profile;

        /*
          User defined data.
        */
        profile=BlobToStringInfo((const void *) NULL,cin.file.user_length);
        if (profile == (StringInfo *) NULL)
            ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
        offset+=ReadBlob(image,GetStringInfoLength(profile),
                         GetStringInfoDatum(profile));
        (void) SetImageProfile(image,"dpx:user.data",profile,exception);
        profile=DestroyStringInfo(profile);
    }
    for ( ; offset < (MagickOffsetType) cin.file.image_offset; offset++)
        (void) ReadBlobByte(image);
    image->depth=cin.image.channel[0].bits_per_pixel;
    image->columns=cin.image.channel[0].pixels_per_line;
    image->rows=cin.image.channel[0].lines_per_image;
    if (image_info->ping)
    {
        (void) CloseBlob(image);
        return(image);
    }
    /*
      Convert CIN raster image to pixel packets.
    */
    quantum_info=AcquireQuantumInfo(image_info,image);
    if (quantum_info == (QuantumInfo *) NULL)
        ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    quantum_info->quantum=32;
    quantum_info->pack=MagickFalse;
    quantum_type=RGBQuantum;
    pixels=GetQuantumPixels(quantum_info);
    length=GetQuantumExtent(image,quantum_info,quantum_type);
    length=GetBytesPerRow(image->columns,3,image->depth,MagickTrue);
    if (cin.image.number_channels == 1)
    {
        quantum_type=GrayQuantum;
        length=GetBytesPerRow(image->columns,1,image->depth,MagickTrue);
    }
    for (y=0; y < (ssize_t) image->rows; y++)
    {
        q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
        if (q == (Quantum *) NULL)
            break;
        count=ReadBlob(image,length,pixels);
        if ((size_t) count != length)
            break;
        (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
                                   quantum_type,pixels,exception);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
            break;
        if (image->previous == (Image *) NULL)
        {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                                    image->rows);
            if (status == MagickFalse)
                break;
        }
    }
    SetQuantumImageType(image,quantum_type);
    quantum_info=DestroyQuantumInfo(quantum_info);
    if (EOFBlob(image) != MagickFalse)
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
                           image->filename);
    SetImageColorspace(image,LogColorspace,exception);
    (void) CloseBlob(image);
    return(GetFirstImageInList(image));
}
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:cin.c


示例2: WriteCINImage


//.........这里部分代码省略.........
    offset+=WriteBlobFloat(image,cin.origination.gamma);
    offset+=WriteBlob(image,sizeof(cin.origination.reserve),(unsigned char *)
                      cin.origination.reserve);
    /*
      Image film information.
    */
    cin.film.id=0;
    value=GetCINProperty(image_info,image,"dpx:film.id",exception);
    if (value != (const char *) NULL)
        cin.film.id=(char) StringToLong(value);
    offset+=WriteBlobByte(image,(unsigned char) cin.film.id);
    cin.film.type=0;
    value=GetCINProperty(image_info,image,"dpx:film.type",exception);
    if (value != (const char *) NULL)
        cin.film.type=(char) StringToLong(value);
    offset+=WriteBlobByte(image,(unsigned char) cin.film.type);
    cin.film.offset=0;
    value=GetCINProperty(image_info,image,"dpx:film.offset",exception);
    if (value != (const char *) NULL)
        cin.film.offset=(char) StringToLong(value);
    offset+=WriteBlobByte(image,(unsigned char) cin.film.offset);
    offset+=WriteBlobByte(image,(unsigned char) cin.film.reserve1);
    cin.film.prefix=0UL;
    value=GetCINProperty(image_info,image,"dpx:film.prefix",exception);
    if (value != (const char *) NULL)
        cin.film.prefix=StringToUnsignedLong(value);
    offset+=WriteBlobLong(image,(unsigned int) cin.film.prefix);
    cin.film.count=0UL;
    value=GetCINProperty(image_info,image,"dpx:film.count",exception);
    if (value != (const char *) NULL)
        cin.film.count=StringToUnsignedLong(value);
    offset+=WriteBlobLong(image,(unsigned int) cin.film.count);
    value=GetCINProperty(image_info,image,"dpx:film.format",exception);
    if (value != (const char *) NULL)
        (void) CopyMagickString(cin.film.format,value,sizeof(cin.film.format));
    offset+=WriteBlob(image,sizeof(cin.film.format),(unsigned char *)
                      cin.film.format);
    cin.film.frame_position=0UL;
    value=GetCINProperty(image_info,image,"dpx:film.frame_position",exception);
    if (value != (const char *) NULL)
        cin.film.frame_position=StringToUnsignedLong(value);
    offset+=WriteBlobLong(image,(unsigned int) cin.film.frame_position);
    cin.film.frame_rate=0.0f;
    value=GetCINProperty(image_info,image,"dpx:film.frame_rate",exception);
    if (value != (const char *) NULL)
        cin.film.frame_rate=StringToDouble(value,(char **) NULL);
    offset+=WriteBlobFloat(image,cin.film.frame_rate);
    value=GetCINProperty(image_info,image,"dpx:film.frame_id",exception);
    if (value != (const char *) NULL)
        (void) CopyMagickString(cin.film.frame_id,value,sizeof(cin.film.frame_id));
    offset+=WriteBlob(image,sizeof(cin.film.frame_id),(unsigned char *)
                      cin.film.frame_id);
    value=GetCINProperty(image_info,image,"dpx:film.slate_info",exception);
    if (value != (const char *) NULL)
        (void) CopyMagickString(cin.film.slate_info,value,
                                sizeof(cin.film.slate_info));
    offset+=WriteBlob(image,sizeof(cin.film.slate_info),(unsigned char *)
                      cin.film.slate_info);
    offset+=WriteBlob(image,sizeof(cin.film.reserve),(unsigned char *)
                      cin.film.reserve);
    if (profile != (StringInfo *) NULL)
        offset+=WriteBlob(image,GetStringInfoLength(profile),
                          GetStringInfoDatum(profile));
    while (offset < (MagickOffsetType) cin.file.image_offset)
        offset+=WriteBlobByte(image,0x00);
    /*
      Convert pixel packets to CIN raster image.
    */
    quantum_info=AcquireQuantumInfo(image_info,image);
    if (quantum_info == (QuantumInfo *) NULL)
        ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    quantum_info->quantum=32;
    quantum_info->pack=MagickFalse;
    quantum_type=RGBQuantum;
    pixels=GetQuantumPixels(quantum_info);
    length=GetBytesPerRow(image->columns,3,image->depth,MagickTrue);
    if (0)
    {
        quantum_type=GrayQuantum;
        length=GetBytesPerRow(image->columns,1,image->depth,MagickTrue);
    }
    for (y=0; y < (ssize_t) image->rows; y++)
    {
        p=GetVirtualPixels(image,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
            break;
        (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
                                   quantum_type,pixels,exception);
        count=WriteBlob(image,length,pixels);
        if (count != (ssize_t) length)
            break;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                                image->rows);
        if (status == MagickFalse)
            break;
    }
    quantum_info=DestroyQuantumInfo(quantum_info);
    (void) CloseBlob(image);
    return(status);
}
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:cin.c


示例3: WriteVICARImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e V I C A R I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteVICARImage() writes an image in the VICAR rasterfile format.
%  Vicar files contain a text header, followed by one or more planes of binary
%  grayscale image data.  Vicar files are designed to allow many planes to be
%  stacked together to form image cubes.  This method only writes a single
%  grayscale plane.
%
%  WriteVICARImage was written contributed by [email protected]
%
%  The format of the WriteVICARImage method is:
%
%      MagickBooleanType WriteVICARImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteVICARImage(const ImageInfo *image_info,
  Image *image)
{
  char
    header[MaxTextExtent];

  int
    y;

  MagickBooleanType
    status;

  QuantumInfo
    *quantum_info;

  register const PixelPacket
    *p;

  size_t
    length;

  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);
  if (IsRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace);
  /*
    Write header.
  */
  (void) ResetMagickMemory(header,' ',MaxTextExtent);
  (void) FormatLocaleString(header,MaxTextExtent,
    "LBLSIZE=%.20g FORMAT='BYTE' TYPE='IMAGE' BUFSIZE=20000 DIM=2 EOL=0 "
    "RECSIZE=%.20g ORG='BSQ' NL=%.20g NS=%.20g NB=1 N1=0 N2=0 N3=0 N4=0 NBB=0 "
    "NLB=0 TASK='ImageMagick'",(double) MaxTextExtent,(double) image->columns,
    (double) image->rows,(double) image->columns);
  (void) WriteBlob(image,MaxTextExtent,(unsigned char *) header);
  /*
    Write VICAR pixels.
  */
  image->depth=8;
  quantum_info=AcquireQuantumInfo(image_info,image);
  if (quantum_info == (QuantumInfo *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  pixels=GetQuantumPixels(quantum_info);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
    if (p == (const PixelPacket *) NULL)
      break;
    length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
      GrayQuantum,pixels,&image->exception);
    count=WriteBlob(image,length,pixels);
    if (count != (ssize_t) length)
      break;
//.........这里部分代码省略.........
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:vicar.c


示例4: WriteFITSImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e F I T S I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteFITSImage() writes a Flexible Image Transport System image to a
%  file as gray scale intensities [0..255].
%
%  The format of the WriteFITSImage method is:
%
%      MagickBooleanType WriteFITSImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteFITSImage(const ImageInfo *image_info,
                                        Image *image)
{
    char
    header[FITSBlocksize],
           *fits_info;

    MagickBooleanType
    status;

    QuantumInfo
    *quantum_info;

    register const PixelPacket
    *p;

    size_t
    length;

    ssize_t
    count,
    offset,
    y;

    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);
    if (IsRGBColorspace(image->colorspace) == MagickFalse)
        (void) TransformImageColorspace(image,RGBColorspace);
    /*
      Allocate image memory.
    */
    fits_info=(char *) AcquireQuantumMemory(FITSBlocksize,sizeof(*fits_info));
    if (fits_info == (char *) NULL)
        ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    (void) ResetMagickMemory(fits_info,' ',FITSBlocksize*sizeof(*fits_info));
    /*
      Initialize image header.
    */
    image->depth=GetImageQuantumDepth(image,MagickFalse);
    quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image);
    if (quantum_info == (QuantumInfo *) NULL)
        ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    offset=0;
    (void) FormatLocaleString(header,FITSBlocksize,
                              "SIMPLE  =                    T");
    (void) strncpy(fits_info+offset,header,strlen(header));
    offset+=80;
    (void) FormatLocaleString(header,FITSBlocksize,"BITPIX  =           %10ld",
                              (long) (quantum_info->format == FloatingPointQuantumFormat ? -1 : 1)*
                              image->depth);
    (void) strncpy(fits_info+offset,header,strlen(header));
    offset+=80;
    (void) FormatLocaleString(header,FITSBlocksize,"NAXIS   =           %10lu",
                              IsGrayImage(image,&image->exception) != MagickFalse ? 2UL : 3UL);
    (void) strncpy(fits_info+offset,header,strlen(header));
    offset+=80;
    (void) FormatLocaleString(header,FITSBlocksize,"NAXIS1  =           %10lu",
                              (unsigned long) image->columns);
    (void) strncpy(fits_info+offset,header,strlen(header));
    offset+=80;
    (void) FormatLocaleString(header,FITSBlocksize,"NAXIS2  =           %10lu",
//.........这里部分代码省略.........
开发者ID:Deni-al，项目名称:Android-ImageMagick，代码行数:101，代码来源:fits.c


示例5: WriteIPLImage

static MagickBooleanType WriteIPLImage(const ImageInfo *image_info,Image *image)
{
  MagickBooleanType
    status;
  
  MagickOffsetType
    scene;
  
  register const PixelPacket
    *p;

  unsigned char
  *pixels;
 
  long
    y;
  
  IPLInfo
    ipl_info;
   QuantumInfo
    *quantum_info;  
   const char
  *qType;

   quantum_info = AcquireQuantumInfo(image_info);
   /*
    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);
  scene=0;
  
  GetQuantumInfo(image_info, quantum_info);
  qType = GetImageProperty(image, "quantum:format"); 
  switch(image->depth){
  case 8: 
    ipl_info.byteType = 0;
    break;
  case 16:
    if(LocaleCompare(qType, "SignedQuantumFormat"))
      ipl_info.byteType = 2;
    else
      ipl_info.byteType = 1;
    break;
  case 32:
    if(LocaleCompare(qType, "FloatingPointQuantumFormat"))
      ipl_info.byteType = 3;
    else
      ipl_info.byteType = 4;
    break;
  case 64:
      ipl_info.byteType = 10;
    break;
  default: ipl_info.byteType = 2; break;
    
  }
  
  ipl_info.z = GetImageListLength(image);
  /* There is no current method for detecting whether we have T or Z stacks */
  ipl_info.time = 1;
  ipl_info.width = image->columns;
  ipl_info.height = image->rows;
  
  if (image->colorspace == UndefinedColorspace)
    (void) SetImageColorspace(image,RGBColorspace);
  
  if(image->colorspace == RGBColorspace) { ipl_info.colors = 3; }
  else{ ipl_info.colors = 1; }
  
  ipl_info.size = 28 + 
    ((image->depth)/8)*ipl_info.height*ipl_info.width*ipl_info.colors*ipl_info.z;
  
  /* Ok!  Calculations are done.  Lets write this puppy down! */
  
  /*
    Write IPL header.
  */
  if(image_info->endian == LSBEndian)
    (void) WriteBlob(image, 4, (unsigned char *) "iiii");
  else
    (void) WriteBlob(image, 4, (unsigned char *) "mmmm");
  (void) WriteBlobLong(image, 4);
  (void) WriteBlob(image, 4, (unsigned char *) "100f");
  (void) WriteBlob(image, 4, (unsigned char *) "data");
  (void) WriteBlobLong(image, ipl_info.size);
  (void) WriteBlobLong(image, ipl_info.width); 
  (void) WriteBlobLong(image, ipl_info.height);
  (void) WriteBlobLong(image, ipl_info.colors);
  (void) WriteBlobLong(image, ipl_info.z);
  (void) WriteBlobLong(image, ipl_info.time);
  (void) WriteBlobLong(image, ipl_info.byteType);
  

//.........这里部分代码省略.........
开发者ID:vazexqi，项目名称:ParsecPipelineParallelism，代码行数:101，代码来源:ipl.c


示例6: ReadVICARImage


//.........这里部分代码省略.........
        /*
          Determine a keyword and its value.
        */
        p=keyword;
        do
        {
          if ((size_t) (p-keyword) < (MaxTextExtent-1))
            *p++=c;
          c=ReadBlobByte(image);
          count++;
        } while (isalnum(c) || (c == '_'));
        *p='\0';
        value_expected=MagickFalse;
        while ((isspace((int) ((unsigned char) c)) != 0) || (c == '='))
        {
          if (c == '=')
            value_expected=MagickTrue;
          c=ReadBlobByte(image);
          count++;
        }
        if (value_expected == MagickFalse)
          continue;
        p=value;
        while (isalnum(c))
        {
          if ((size_t) (p-value) < (MaxTextExtent-1))
            *p++=c;
          c=ReadBlobByte(image);
          count++;
        }
        *p='\0';
        /*
          Assign a value to the specified keyword.
        */
        if (LocaleCompare(keyword,"Label_RECORDS") == 0)
          length=(ssize_t) StringToLong(value);
        if (LocaleCompare(keyword,"LBLSIZE") == 0)
          length=(ssize_t) StringToLong(value);
        if (LocaleCompare(keyword,"RECORD_BYTES") == 0)
          image->columns=StringToUnsignedLong(value);
        if (LocaleCompare(keyword,"NS") == 0)
          image->columns=StringToUnsignedLong(value);
        if (LocaleCompare(keyword,"LINES") == 0)
          image->rows=StringToUnsignedLong(value);
        if (LocaleCompare(keyword,"NL") == 0)
          image->rows=StringToUnsignedLong(value);
      }
    while (isspace((int) ((unsigned char) c)) != 0)
    {
      c=ReadBlobByte(image);
      count++;
    }
  }
  while (count < (ssize_t) length)
  {
    c=ReadBlobByte(image);
    count++;
  }
  if ((image->columns == 0) || (image->rows == 0))
    ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
  image->depth=8;
  if (AcquireImageColormap(image,256) == MagickFalse)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  if (image_info->ping != MagickFalse)
    {
      (void) CloseBlob(image);
      return(GetFirstImageInList(image));
    }
  /*
    Read VICAR pixels.
  */
  quantum_type=IndexQuantum;
  quantum_info=AcquireQuantumInfo(image_info,image);
  if (quantum_info == (QuantumInfo *) NULL)
    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
  pixels=GetQuantumPixels(quantum_info);
  length=GetQuantumExtent(image,quantum_info,IndexQuantum);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      break;
    count=ReadBlob(image,length,pixels);
    (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
      quantum_type,pixels,exception);
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  SetQuantumImageType(image,quantum_type);
  quantum_info=DestroyQuantumInfo(quantum_info);
  if (EOFBlob(image) != MagickFalse)
    ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
      image->filename);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:vicar.c


示例7: WriteIPLImage

static MagickBooleanType WriteIPLImage(const ImageInfo *image_info,Image *image)
{
  ExceptionInfo
    *exception;

  IPLInfo
    ipl_info;

  MagickBooleanType
    status;
  
  MagickOffsetType
    scene;
  
  register const PixelPacket
    *p;

  QuantumInfo
    *quantum_info;

  ssize_t
    y;
  
  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);
  scene=0;
  

  quantum_info=AcquireQuantumInfo(image_info, image);
  if ((quantum_info->format == UndefinedQuantumFormat) &&
      (IsHighDynamicRangeImage(image,&image->exception) != MagickFalse))
    SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat);
  switch(quantum_info->depth){
  case 8: 
    ipl_info.byteType = 0;
    break;
  case 16:
    if(quantum_info->format == SignedQuantumFormat){
      ipl_info.byteType = 2;
    }
    else{
      ipl_info.byteType = 1;
    }
    break;
  case 32:
    if(quantum_info->format == FloatingPointQuantumFormat){
      ipl_info.byteType = 3;
    }
    else{
      ipl_info.byteType = 4;
    }
    break;
  case 64:
    ipl_info.byteType = 10;
    break;
  default: 
    ipl_info.byteType = 2; 
    break;
    
  }
  ipl_info.z = (unsigned int) GetImageListLength(image);
  /* There is no current method for detecting whether we have T or Z stacks */
  ipl_info.time = 1;
  ipl_info.width = (unsigned int) image->columns;
  ipl_info.height = (unsigned int) image->rows;
  
  if (IsRGBColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,RGBColorspace);
  
  if(IsRGBColorspace(image->colorspace) == MagickTrue) { ipl_info.colors = 3; }
  else{ ipl_info.colors = 1; }
  
  ipl_info.size = (unsigned int) (28 + 
    ((image->depth)/8)*ipl_info.height*ipl_info.width*ipl_info.colors*ipl_info.z);
  
  /* Ok!  Calculations are done.  Lets write this puppy down! */
  
  /*
    Write IPL header.
  */
  /* Shockingly (maybe not if you have used IPLab),  IPLab itself CANNOT read MSBEndian
  files!   The reader above can, but they cannot.  For compatability reasons, I will leave
  the code in here, but it is all but useless if you want to use IPLab. */

  if(image_info->endian == MSBEndian)
    (void) WriteBlob(image, 4, (const unsigned char *) "mmmm");
  else{
//.........这里部分代码省略.........
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:ipl.c


示例8: WriteARTImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e A R T I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteARTImage() writes an image of raw bits in LSB order to a file.
%
%  The format of the WriteARTImage method is:
%
%      MagickBooleanType WriteARTImage(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 WriteARTImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  MagickBooleanType
    status;

  QuantumInfo
    *quantum_info;

  register const Quantum
    *p;

  size_t
    length;

  ssize_t
    count,
    y;

  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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  if ((image->columns > 65535UL) || (image->rows > 65535UL))
    ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
    (void) TransformImageColorspace(image,sRGBColorspace,exception);
  (void) SetImageType(image,BilevelType,exception);
  image->endian=MSBEndian;
  image->depth=1;
  (void) WriteBlobLSBShort(image,0);
  (void) WriteBlobLSBShort(image,(unsigned short) image->columns);
  (void) WriteBlobLSBShort(image,0);
  (void) WriteBlobLSBShort(image,(unsigned short) image->rows);
  quantum_info=AcquireQuantumInfo(image_info,image);
  pixels=GetQuantumPixels(quantum_info);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
    if (p == (const Quantum *) NULL)
      break;
    length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
      GrayQuantum,pixels,exception);
    count=WriteBlob(image,length,pixels);
    if (count != (ssize_t) length)
      ThrowWriterException(CorruptImageError,"UnableToWriteImageData");
    count=WriteBlob(image,(size_t) (-(ssize_t) length) & 0x01,pixels);
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  quantum_info=DestroyQuantumInfo(quantum_info);
  (void) CloseBlob(image);
  return(status);
}
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:96，代码来源:art.c


示例9: WriteGRAYImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e G R A Y I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteGRAYImage() writes an image to a file as gray scale intensity
%  values.
%
%  The format of the WriteGRAYImage method is:
%
%      MagickBooleanType WriteGRAYImage(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 WriteGRAYImage(const ImageInfo *image_info,
  Image *image,ExceptionInfo *exception)
{
  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  QuantumInfo
    *quantum_info;

  QuantumType
    quantum_type;

  size_t
    length;

  ssize_t
    count,
    y;

  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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  scene=0;
  do
  {
    /*
      Write grayscale pixels.
    */
    if (IsRGBColorspace(image->colorspace) == MagickFalse)
      (void) TransformImageColorspace(image,sRGBColorspace,exception);
    quantum_type=GrayQuantum;
    quantum_info=AcquireQuantumInfo(image_info,image);
    if (quantum_info == (QuantumInfo *) NULL)
      ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
    pixels=GetQuantumPixels(quantum_info);
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      register const Quantum
        *restrict p;

      p=GetVirtualPixels(image,0,y,image->columns,1,exception);
      if (p == (const Quantum *) NULL)
        break;
      length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
        quantum_type,pixels,exception);
      count=WriteBlob(image,length,pixels);
      if (count != (ssize_t) length)
        break;
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            break;
        }
//.........这里部分代码省略.........
开发者ID:Ladeira，项目名称:ImageMagick，代码行数:101，代码来源:gray.c


示例10: assert


//.........这里部分代码省略.........
      quantum_format = FloatingPointQuantumFormat;
      break; 
    default: 
      ipl_info.depth=16;
      quantum_format = UnsignedQuantumFormat;
      break;
  }

  /*
    Set number of scenes of image
  */

  SetHeaderFromIPL(image, &ipl_info);

  /* Thats all we need if we are pinging. */
  if (image_info->ping != MagickFalse)
  {
    (void) CloseBlob(image);
    return(GetFirstImageInList(image));
  }
  length=image->columns;
  quantum_type=GetQuantumType(image,exception);
 do
  {
    SetHeaderFromIPL(image, &ipl_info);

  if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
/*
   printf("Length: %.20g, Memory size: %.20g\n", (double) length,(double)
     image->depth);
*/
     quantum_info=AcquireQuantumInfo(image_info,image);
     if (quantum_info == (QuantumInfo *) NULL)
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
     status=SetQuantumFormat(image,quantum_info,quantum_format);
     if (status == MagickFalse)
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
     pixels=GetQuantumPixels(quantum_info); 
     if(image->columns != ipl_info.width){
/*
     printf("Columns not set correctly!  Wanted: %.20g, got: %.20g\n",
       (double) ipl_info.width, (double) image->columns);
*/
     }

    /* 
    Covert IPL binary to pixel packets
     */
    
  if(ipl_info.colors == 1){
      for(y = 0; y < (ssize_t) image->rows; y++){
        (void) ReadBlob(image, length*image->depth/8, pixels);
        q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
        if (q == (PixelPacket *) NULL)
                break;
        (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
          GrayQuantum,pixels,exception);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
    }
  }
  else{
      for(y = 0; y < (ssize_t) image->rows; y++){
        (void) ReadBlob(image, length*image->depth/8, pixels);
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:67，代码来源:ipl.c


示例11: ReadYCBCRImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d Y C b C r I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadYCBCRImage() reads an image of raw YCbCr or YCbCrA samples 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 ReadYCBCRImage method is:
%
%      Image *ReadYCBCRImage(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 *ReadYCBCRImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Image
    *canvas_image,
    *image;

  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  QuantumInfo
    *quantum_info;

  QuantumType
    quantum_type;

  register const PixelPacket
    *p;

  register ssize_t
    i,
    x;

  register PixelPacket
    *q;

  size_t
    length;

  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);
  if ((image->columns == 0) || (image->rows == 0))
    ThrowReaderException(OptionError,"MustSpecifyImageSize");
  SetImageColorspace(image,YCbCrColorspace);
  if (image_info->interlace != PartitionInterlace)
    {
      status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
      if (status == MagickFalse)
        {
          image=DestroyImageList(image);
          return((Image *) NULL);
        }
      if (DiscardBlobBytes(image,image->offset) == MagickFalse)
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
    }
  /*
    Create virtual canvas to support cropping (i.e. image.rgb[100x100+10+20]).
  */
  canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
    exception);
  (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod);
  quantum_info=AcquireQuantumInfo(image_info,canvas_image);
  if (quantum_info == (QuantumInfo *) NULL)
//.........这里部分代码省略.........
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:ycbcr.c


示例12: WriteYCBCRImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   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)
{
  MagickBooleanType
    status;

  MagickOffsetType
    scene;

  QuantumInfo
    *quantum_info;

  QuantumType
    quantum_type;

  register const PixelPacket
    *p;

  size_t
    length;

  ssize_t
    count,
    y;

  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:
      {
        /*
          No interlacing:  YCbCrYCbCrYCbCrYCbCrYCbCrYCbCr...
//.........这里部分代码省略.........
开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:ycbcr.c


示例13: SignatureImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   S i g n a t u r e I m a g e                                               %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  SignatureImage() computes a message digest from an image pixel stream with
%  an implementation of the NIST SHA-256 Message Digest algorithm.  This
%  signature uniquely identifies the image and is convenient for determining
%  if an image has been modified or whether two images are identical.
%
%  The format of the SignatureImage method is:
%
%      MagickBooleanType SignatureImage(Image *image)
%
%  A description of each parameter follows:
%
%    o image: the image.
%
*/
MagickExport MagickBooleanType SignatureImage(Image *image)
{
  CacheView
    *image_view;

  char
    *hex_signature;

  ExceptionInfo
    *exception;

  QuantumInfo
    *quantum_info;

  QuantumType
    quantum_type;

  register const PixelPacket
    *p;

  SignatureInfo
    *signature_info;

  size_t
    length;

  ssize_t
    y;

  StringInfo
    *signature;

  unsigned char
    *pixels;

  /*
    Compute image digital signature.
  */
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image);
  if (quantum_info == (QuantumInfo *) NULL)
    ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
      image->filename);
  quantum_type=RGBQuantum;
  if (image->matte != MagickFalse)
    quantum_type=RGBAQuantum;
  if (image->colorspace == CMYKColorspace)
    {
      quantum_type=CMYKQuantum;
      if (image->matte != MagickFalse)
        quantum_type=CMYKAQuantum;
    }
  signature_info=AcquireSignatureInfo();
  signature=AcquireStringInfo(quantum_info->extent);
  pixels=GetQuantumPixels(quantum_info);
  exception=(&image->exception);
  image_view=AcquireCacheView(image);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
    if (p == (const PixelPacket *) NULL)
      break;
    length=ExportQuantumPixels(image,image_view,quantum_info,quantum_type,
      pixels,&image->exception);
    SetStringInfoLength(signature,length);
    SetStringInfoDatum(signature,pixels);
    UpdateSignature(signature_info,signature);
  }
  image_view=DestroyCacheView(image_view);
  quantum_info=DestroyQuantumInfo(quantum_info);
  FinalizeSignature(signature_info);
  hex_signature=StringInfoToHexString(GetSignatureDigest(signature_info));
//.........这里部分代码省略.........
开发者ID:271845221，项目名称:Android-ImageMagick，代码行数:101，代码来源:signature.c


示例14: WriteRGBImage


//.........这里部分代码省略.........
    {
      quantum_type=RGBAQuantum;
      image->matte=MagickTrue;
      channels=4;
    }
  if (LocaleCompare(image_info->magick,"RGBO") == 0)
    {
      quantum_type=RGBOQuantum;
      image->matte=MagickTrue;
      channels=4;
    }
  for (i=0; i < (long) channels; i++)
  {
    switch (image_info->magick[i])
    {
      case 'R': quantum_types[i]=RedQuantum;     break;
      case 'G': quantum_types[i]=GreenQuantum;   break;
      case 'B': quantum_types[i]=BlueQuantum;    break;
      case 'A': quantum_types[i]=AlphaQuantum;   break;
      case 'O': quantum_types[i]=Opacity

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