C++ QueueAuthenticPixels函数代码示例

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本文整理汇总了C++中QueueAuthenticPixels函数的典型用法代码示例。如果您正苦于以下问题：C++ QueueAuthenticPixels函数的具体用法？C++ QueueAuthenticPixels怎么用？C++ QueueAuthenticPixels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QueueAuthenticPixels函数的20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: WriteMATTEImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e M A T T E I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteMATTEImage() writes an image of matte bytes to a file.  It consists of
%  data from the matte component of the image [0..255].
%
%  The format of the WriteMATTEImage method is:
%
%      MagickBooleanType WriteMATTEImage(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 WriteMATTEImage(const ImageInfo *image_info,
  Image *image,ExceptionInfo *exception)
{
  Image
    *matte_image;

  MagickBooleanType
    status;

  register const Quantum
    *p;

  register ssize_t
    x;

  register Quantum
    *q;

  ssize_t
    y;

  if (image->matte == MagickFalse)
    ThrowWriterException(CoderError,"ImageDoesNotHaveAAlphaChannel");
  matte_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
  if (matte_image == (Image *) NULL)
    return(MagickFalse);
  (void) SetImageType(matte_image,TrueColorMatteType,exception);
  matte_image->matte=MagickFalse;
  /*
    Convert image to matte pixels.
  */
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
    q=QueueAuthenticPixels(matte_image,0,y,matte_image->columns,1,exception);
    if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
      break;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelRed(matte_image,GetPixelAlpha(image,p),q);
      SetPixelGreen(matte_image,GetPixelAlpha(image,p),q);
      SetPixelBlue(matte_image,GetPixelAlpha(image,p),q);
      SetPixelAlpha(matte_image,OpaqueAlpha,q);
      p+=GetPixelChannels(image);
      q+=GetPixelChannels(matte_image);
    }
    if (SyncAuthenticPixels(matte_image,exception) == MagickFalse)
      break;
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) FormatLocaleString(matte_image->filename,MaxTextExtent,
    "MIFF:%s",image->filename);
  status=WriteImage(image_info,matte_image,exception);
  matte_image=DestroyImage(matte_image);
  return(status);
}

开发者ID:ChaseReid，项目名称:ImageMagick，代码行数:87，代码来源:matte.c

示例2: assert

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d N U L L I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadNULLImage creates a constant image and initializes it to the
%  X server color as specified by the filename.  It allocates the memory
%  necessary for the new Image structure and returns a pointer to the new
%  image.
%
%  The format of the ReadNULLImage method is:
%
%      Image *ReadNULLImage(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 *ReadNULLImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Image
    *image;

  ssize_t
    y;

  MagickPixelPacket
    background;

  register IndexPacket
    *indexes;

  register ssize_t
    x;

  register PixelPacket
    *q;

  /*
    Initialize Image structure.
  */
  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->columns=1;
  if (image->rows == 0)
    image->rows=1;
  image->matte=MagickTrue;
  GetMagickPixelPacket(image,&background);
  background.opacity=(MagickRealType) TransparentOpacity;
  if (image->colorspace == CMYKColorspace)
    ConvertRGBToCMYK(&background);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      break;
    indexes=GetAuthenticIndexQueue(image);
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelPacket(image,&background,q,indexes);
      q++;
      indexes++;
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  return(GetFirstImageInList(image));
}

开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:86，代码来源:null.c

示例3: assert

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d N U L L I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadNULLImage creates a constant image and initializes it to the
%  X server color as specified by the filename.  It allocates the memory
%  necessary for the new Image structure and returns a pointer to the new
%  image.
%
%  The format of the ReadNULLImage method is:
%
%      Image *ReadNULLImage(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 *ReadNULLImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Image
    *image;

  MagickBooleanType
    status;

  PixelInfo
    background;

  register ssize_t
    x;

  register Quantum
    *q;

  ssize_t
    y;

  /*
    Initialize Image structure.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickCoreSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  image=AcquireImage(image_info,exception);
  if (image->columns == 0)
    image->columns=1;
  if (image->rows == 0)
    image->rows=1;
  status=SetImageExtent(image,image->columns,image->rows,exception);
  if (status == MagickFalse)
    return(DestroyImageList(image));
  ConformPixelInfo(image,&image->background_color,&background,exception);
  image->alpha_trait=BlendPixelTrait;
  background.alpha=(double) TransparentAlpha;
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      break;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelViaPixelInfo(image,&background,q);
      q+=GetPixelChannels(image);
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  return(GetFirstImageInList(image));
}

开发者ID:vcgato29，项目名称:ImageMagick，代码行数:85，代码来源:null.c

示例4: assert


//.........这里部分代码省略.........
    p=next;
    next=NextXPMLine(p);
    (void) CopyXPMColor(key,p,MagickMin((size_t) width,MaxTextExtent-1));
    status=AddValueToSplayTree(xpm_colors,ConstantString(key),(void *) j);
    /*
      Parse color.
    */
    (void) CopyMagickString(target,"gray",MaxTextExtent);
    q=ParseXPMColor(p+width,MagickTrue);
    if (q != (char *) NULL)
      {
        while ((isspace((int) ((unsigned char) *q)) == 0) && (*q != '\0'))
          q++;
        if ((next-q) < 0)
          break;
        if (next != (char *) NULL)
          (void) CopyXPMColor(target,q,MagickMin((size_t) (next-q),
            MaxTextExtent-1));
        else
          (void) CopyMagickString(target,q,MaxTextExtent);
        q=ParseXPMColor(target,MagickFalse);
        if (q != (char *) NULL)
          *q='\0';
      }
    StripString(target);
    grey=strstr(target,"grey");
    if (grey != (char *) NULL)
      grey[2]='a';
    if (LocaleCompare(target,"none") == 0)
      {
        image->storage_class=DirectClass;
        image->matte=MagickTrue;
      }
    status=QueryColorCompliance(target,XPMCompliance,&image->colormap[j],
      exception);
    if (status == MagickFalse)
      break;
    (void) QueryMagickColorCompliance(target,XPMCompliance,&pixel,exception);
    if (image->depth < pixel.depth)
      image->depth=pixel.depth;
  }
  if (j < (ssize_t) image->colors)
    {
      xpm_colors=DestroySplayTree(xpm_colors);
      xpm_buffer=DestroyString(xpm_buffer);
      ThrowReaderException(CorruptImageError,"CorruptImage");
    }
  j=0;
  if (image_info->ping == MagickFalse)
    {
      /*
        Read image pixels.
      */
      status=SetImageExtent(image,image->columns,image->rows);
      if (status == MagickFalse)
        {
          InheritException(exception,&image->exception);
          return(DestroyImageList(image));
        }
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        p=NextXPMLine(p);
        if (p == (char *) NULL)
          break;
        r=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
        if (r == (PixelPacket *) NULL)
          break;
        indexes=GetAuthenticIndexQueue(image);
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          ssize_t count=CopyXPMColor(key,p,MagickMin(width,MaxTextExtent-1));
          if (count != (ssize_t) width)
            break;
          j=(ssize_t) GetValueFromSplayTree(xpm_colors,key);
          if (image->storage_class == PseudoClass)
            SetPixelIndex(indexes+x,j);
          *r=image->colormap[j];
          p+=count;
          r++;
        }
        if (x < (ssize_t) image->columns)
          break;
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
      if (y < (ssize_t) image->rows)
        {
          xpm_colors=DestroySplayTree(xpm_colors);
          xpm_buffer=DestroyString(xpm_buffer);
          ThrowReaderException(CorruptImageError,"NotEnoughPixelData");
        }
    }
  /*
    Relinquish resources.
  */
  xpm_colors=DestroySplayTree(xpm_colors);
  xpm_buffer=DestroyString(xpm_buffer);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:MarinaAndenko，项目名称:MyBlog，代码行数:101，代码来源:xpm.c

示例5: ReadAVSImage


//.........这里部分代码省略.........
      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);
      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++)
      {
        SetPixelAlpha(q,ScaleCharToQuantum(*p++));
        SetPixelRed(q,ScaleCharToQuantum(*p++));
        SetPixelGreen(q,ScaleCharToQuantum(*p++));
        SetPixelBlue(q,ScaleCharToQuantum(*p++));
        if (q->opacity != OpaqueOpacity)
          image->matte=MagickTrue;
        q++;
      }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            break;
        }
    }
    pixels=(unsigned char *) RelinquishMagickMemory(pixels);
    if (EOFBlob(image) != MagickFalse)
      {
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
        break;
      }
    /*
      Proceed to next image.
    */
    if (image_info->number_scenes != 0)
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    width=ReadBlobMSBLong(image);
    height=ReadBlobMSBLong(image);
    if ((width != 0UL) && (height != 0UL))
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
  } while ((width != 0UL) && (height != 0UL));
  (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:avs.c

示例6: 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7: WriteMATTEImage

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e M A T T E I m a g e                                             %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Function WriteMATTEImage() writes an image of matte bytes to a file.  It
%  consists of data from the matte component of the image [0..255].
%
%  The format of the WriteMATTEImage method is:
%
%      MagickBooleanType WriteMATTEImage(const ImageInfo *image_info,
%        Image *image)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
*/
static MagickBooleanType WriteMATTEImage(const ImageInfo *image_info,
  Image *image)
{
  ExceptionInfo
    *exception;

  Image
    *matte_image;

  ssize_t
    y;

  MagickBooleanType
    status;

  register const PixelPacket
    *p;

  register ssize_t
    x;

  register PixelPacket
    *q;

  if (image->matte == MagickFalse)
    ThrowWriterException(CoderError,"ImageDoesNotHaveAAlphaChannel");
  matte_image=CloneImage(image,image->columns,image->rows,MagickTrue,
    &image->exception);
  if (matte_image == (Image *) NULL)
    return(MagickFalse);
  (void) SetImageType(matte_image,TrueColorMatteType);
  matte_image->matte=MagickFalse;
  /*
    Convert image to matte pixels.
  */
  exception=(&image->exception);
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    p=GetVirtualPixels(image,0,y,image->columns,1,exception);
    q=QueueAuthenticPixels(matte_image,0,y,matte_image->columns,1,exception);
    if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL))
      break;
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      q->red=GetOpacityPixelComponent(p);
      q->green=GetOpacityPixelComponent(p);
      q->blue=GetOpacityPixelComponent(p);
      SetOpacityPixelComponent(q,OpaqueOpacity);
      p++;
      q++;
    }
    if (SyncAuthenticPixels(matte_image,exception) == MagickFalse)
      break;
    status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
                image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) FormatMagickString(matte_image->filename,MaxTextExtent,
    "MIFF:%s",image->filename);
  status=WriteImage(image_info,matte_image);
  matte_image=DestroyImage(matte_image);
  return(status);
}

开发者ID:JasonGross，项目名称:characters，代码行数:90，代码来源:matte.c

示例8: ReadPIXImage


//.........这里部分代码省略.........
    Read PIX image.
  */
  width=ReadBlobMSBShort(image);
  height=ReadBlobMSBShort(image);
  (void) ReadBlobMSBShort(image);  /* x-offset */
  (void) ReadBlobMSBShort(image);  /* y-offset */
  bits_per_pixel=ReadBlobMSBShort(image);
  if ((width == 0UL) || (height == 0UL) || ((bits_per_pixel != 8) &&
      (bits_per_pixel != 24)))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  do
  {
    /*
      Initialize image structure.
    */
    image->columns=width;
    image->rows=height;
    if (bits_per_pixel == 8)
      if (AcquireImageColormap(image,256) == MagickFalse)
        ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    /*
      Convert PIX raster image to pixel packets.
    */
    red=(Quantum) 0;
    green=(Quantum) 0;
    blue=(Quantum) 0;
    index=(IndexPacket) 0;
    length=0;
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
      if (q == (PixelPacket *) NULL)
        break;
      indexes=GetAuthenticIndexQueue(image);
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        if (length == 0)
          {
            length=(size_t) ReadBlobByte(image);
            if (bits_per_pixel == 8)
              index=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
            else
              {
                blue=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
                green=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
                red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
              }
          }
        if (image->storage_class == PseudoClass)
          SetPixelIndex(indexes+x,index);
        SetPixelBlue(q,blue);
        SetPixelGreen(q,green);
        SetPixelRed(q,red);
        length--;
        q++;
      }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)

开发者ID:271845221，项目名称:Android-ImageMagick，代码行数:67，代码来源:pix.c

示例9: assert


//.........这里部分代码省略.........
  int
    max_x,
    max_y,
    min_x,
    min_y;

  MagickBooleanType
    status;

  register ssize_t
    x;

  register Quantum
    *q;

  ssize_t
    y;

  /*
    Open image.
  */
  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,exception);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  read_info=CloneImageInfo(image_info);
  if (IsPathAccessible(read_info->filename) == MagickFalse)
    {
      (void) AcquireUniqueFilename(read_info->filename);
      (void) ImageToFile(image,read_info->filename,exception);
    }
  file=ImfOpenInputFile(read_info->filename);
  if (file == (ImfInputFile *) NULL)
    {
      ThrowFileException(exception,BlobError,"UnableToOpenBlob",
        ImfErrorMessage());
      read_info=DestroyImageInfo(read_info);
      return((Image *) NULL);
    }
  hdr_info=ImfInputHeader(file);
  ImfHeaderDataWindow(hdr_info,&min_x,&min_y,&max_x,&max_y);
  image->columns=max_x-min_x+1UL;
  image->rows=max_y-min_y+1UL;
  image->matte=MagickTrue;
  if (image_info->ping != MagickFalse)
    {
      (void) ImfCloseInputFile(file);
      if (LocaleCompare(image_info->filename,read_info->filename) != 0)
        (void) RelinquishUniqueFileResource(read_info->filename);
      read_info=DestroyImageInfo(read_info);
      (void) CloseBlob(image);
      return(GetFirstImageInList(image));
    }
  scanline=(ImfRgba *) AcquireQuantumMemory(image->columns,sizeof(*scanline));
  if (scanline == (ImfRgba *) NULL)
    {
      (void) ImfCloseInputFile(file);
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    }
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (Quantum *) NULL)
      break;
    ImfInputSetFrameBuffer(file,scanline-min_x-image->columns*(min_y+y),1,
      image->columns);
    ImfInputReadPixels(file,min_y+y,min_y+y);
    for (x=0; x < (ssize_t) image->columns; x++)
    {
      SetPixelRed(image,ClampToQuantum((MagickRealType) QuantumRange*
        ImfHalfToFloat(scanline[x].r)),q);
      SetPixelGreen(image,ClampToQuantum((MagickRealType) QuantumRange*
        ImfHalfToFloat(scanline[x].g)),q);
      SetPixelBlue(image,ClampToQuantum((MagickRealType) QuantumRange*
        ImfHalfToFloat(scanline[x].b)),q);
      SetPixelAlpha(image,ClampToQuantum((MagickRealType) QuantumRange*
        ImfHalfToFloat(scanline[x].a)),q);
      q+=GetPixelChannels(image);
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  scanline=(ImfRgba *) RelinquishMagickMemory(scanline);
  (void) ImfCloseInputFile(file);
  if (LocaleCompare(image_info->filename,read_info->filename) != 0)
    (void) RelinquishUniqueFileResource(read_info->filename);
  read_info=DestroyImageInfo(read_info);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:ChaseReid，项目名称:ImageMagick，代码行数:101，代码来源:exr.c

示例10: ReadRAWImage


//.........这里部分代码省略.........
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    status=SetImageExtent(image,image->columns,image->rows);
    if (status == MagickFalse)
      {
        InheritException(exception,&image->exception);
        return(DestroyImageList(image));
      }
    if (scene == 0)
      {
        length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
        pixels=(const unsigned char *) ReadBlobStream(image,length,
          GetQuantumPixels(quantum_info),&count);
      }
    for (y=0; y < (ssize_t) image->extract_info.height; y++)
    {
      register const PixelPacket
        *magick_restrict p;

      register PixelPacket
        *magick_restrict q;

      register ssize_t
        x;

      if (count != (ssize_t) length)
        {
          ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
            image->filename);
          break;
        }
      q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,exception);
      if (q == (PixelPacket *) NULL)
        break;
      length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,quantum_info,
        quantum_type,pixels,exception);
      if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
        break;
      if (((y-image->extract_info.y) >= 0) &&
          ((y-image->extract_info.y) < (ssize_t) image->rows))
        {
          p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
            image->columns,1,exception);
          q=QueueAuthenticPixels(image,0,y-image->extract_info.y,image->columns,
            1,exception);
          if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL))
            break;
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            SetPixelRed(q,GetPixelRed(p));
            SetPixelGreen(q,GetPixelGreen(p));
            SetPixelBlue(q,GetPixelBlue(p));
            p++;
            q++;
          }
          if (SyncAuthenticPixels(image,exception) == MagickFalse)
            break;
        }
      if (image->previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
            image->rows);
          if (status == MagickFalse)
            break;
        }
      pixels=(const unsigned char *) ReadBlobStream(image,length,
        GetQuantumPixels(quantum_info),&count);
    }
    SetQuantumImageType(image,quantum_type);
    /*
      Proceed to next image.
    */
    if (image_info->number_scenes != 0)
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    if (count == (ssize_t) length)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
    scene++;
  } while (count == (ssize_t) length);
  quantum_info=DestroyQuantumInfo(quantum_info);
  InheritException(&image->exception,&canvas_image->exception);
  canvas_image=DestroyImage(canvas_image);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:INT2208-ST，项目名称:MyFriend，代码行数:101，代码来源:raw.c

示例11: ReadPCXImage


//.........这里部分代码省略.........
              /*
                Monochrome colormap.
              */
              image->colormap[0].red=(Quantum) 0;
              image->colormap[0].green=(Quantum) 0;
              image->colormap[0].blue=(Quantum) 0;
              image->colormap[1].red=QuantumRange;
              image->colormap[1].green=QuantumRange;
              image->colormap[1].blue=QuantumRange;
            }
          else
            if (image->colors > 16)
              {
                /*
                  256 color images have their color map at the end of the file.
                */
                pcx_info.colormap_signature=(unsigned char) ReadBlobByte(image);
                count=ReadBlob(image,3*image->colors,pcx_colormap);
                p=pcx_colormap;
                for (i=0; i < (ssize_t) image->colors; i++)
                {
                  image->colormap[i].red=ScaleCharToQuantum(*p++);
                  image->colormap[i].green=ScaleCharToQuantum(*p++);
                  image->colormap[i].blue=ScaleCharToQuantum(*p++);
                }
            }
        }
    /*
      Convert PCX raster image to pixel packets.
    */
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      p=pixels+(y*pcx_info.bytes_per_line*pcx_info.planes);
      q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
      if (q == (Quantum *) NULL)
        break;
      r=scanline;
      if (image->storage_class == DirectClass)
        for (i=0; i < pcx_info.planes; i++)
        {
          r=scanline+i;
          for (x=0; x < (ssize_t) pcx_info.bytes_per_line; x++)
          {
            switch (i)
            {
              case 0:
              {
                *r=(*p++);
                break;
              }
              case 1:
              {
                *r=(*p++);
                break;
              }
              case 2:
              {
                *r=(*p++);
                break;
              }
              case 3:
              default:
              {
                *r=(*p++);
                break;
              }

开发者ID:278443820，项目名称:ImageMagick，代码行数:67，代码来源:pcx.c

示例12: ThrowReaderException


//.........这里部分代码省略.........
        }
      else
        {
          *p='\0';
          flags=ParseMetaGeometry(geometry,&sans,&sans,&image->columns,
            &image->rows);
          if (image->x_resolution != 0.0)
            image->columns=(unsigned long) (((image->columns*
              image->x_resolution)/DefaultResolution)+0.5);
          if (image->y_resolution != 0.0)
            image->rows=(unsigned long) (((image->rows*image->y_resolution)/
              DefaultResolution)+0.5);
        }
      geometry=DestroyString(geometry);
    }
  hDC=GetDC(NULL);
  if (hDC == (HDC) NULL)
    {
      DeleteEnhMetaFile(hemf);
      ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
    }
  /*
    Initialize the bitmap header info.
  */
  (void) ResetMagickMemory(&DIBinfo,0,sizeof(BITMAPINFO));
  DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  DIBinfo.bmiHeader.biWidth=image->columns;
  DIBinfo.bmiHeader.biHeight=(-1)*image->rows;
  DIBinfo.bmiHeader.biPlanes=1;
  DIBinfo.bmiHeader.biBitCount=32;
  DIBinfo.bmiHeader.biCompression=BI_RGB;
  hBitmap=CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits,
    NULL,0);
  ReleaseDC(NULL,hDC);
  if (hBitmap == (HBITMAP) NULL)
    {
      DeleteEnhMetaFile(hemf);
      ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
    }
  hDC=CreateCompatibleDC(NULL);
  if (hDC == (HDC) NULL)
    {
      DeleteEnhMetaFile(hemf);
      DeleteObject(hBitmap);
      ThrowReaderException(ResourceLimitError,"UnableToCreateADC");
    }
  hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap);
  if (hOldBitmap == (HBITMAP) NULL)
    {
      DeleteEnhMetaFile(hemf);
      DeleteDC(hDC);
      DeleteObject(hBitmap);
      ThrowReaderException(ResourceLimitError,"UnableToCreateBitmap");
    }
  /*
    Initialize the bitmap to the image background color.
  */
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    for (x=0; x < (long) image->columns; x++)
    {
      pBits->rgbRed=ScaleQuantumToChar(image->background_color.red);
      pBits->rgbGreen=ScaleQuantumToChar(image->background_color.green);
      pBits->rgbBlue=ScaleQuantumToChar(image->background_color.blue);
      pBits++;
    }
  }
  rect.top=0;
  rect.left=0;
  rect.right=image->columns;
  rect.bottom=image->rows;
  /*
    Convert metafile pixels.
  */
  PlayEnhMetaFile(hDC,hemf,&rect);
  pBits=ppBits;
  for (y=0; y < (long) image->rows; y++)
  {
    q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
    if (q == (PixelPacket *) NULL)
      break;
    for (x=0; x < (long) image->columns; x++)
    {
      q->red=ScaleCharToQuantum(pBits->rgbRed);
      q->green=ScaleCharToQuantum(pBits->rgbGreen);
      q->blue=ScaleCharToQuantum(pBits->rgbBlue);
      q->opacity=OpaqueOpacity;
      pBits++;
      q++;
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      break;
  }
  DeleteEnhMetaFile(hemf);
  SelectObject(hDC,hOldBitmap);
  DeleteDC(hDC);
  DeleteObject(hBitmap);
  return(GetFirstImageInList(image));
}

开发者ID:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:emf.c

示例13: ReadDPSImage


//.........这里部分代码省略.........
        red_shift;

      /*
        Determine shift and mask for red, green, and blue.
      */
      red_mask=visual_info->red_mask;
      red_shift=0;
      while ((red_mask != 0) && ((red_mask & 0x01) == 0))
      {
        red_mask>>=1;
        red_shift++;
      }
      green_mask=visual_info->green_mask;
      green_shift=0;
      while ((green_mask != 0) && ((green_mask & 0x01) == 0))
      {
        green_mask>>=1;
        green_shift++;
      }
      blue_mask=visual_info->blue_mask;
      blue_shift=0;
      while ((blue_mask != 0) && ((blue_mask & 0x01) == 0))
      {
        blue_mask>>=1;
        blue_shift++;
      }
      /*
        Convert X image to DirectClass packets.
      */
      if ((visual_info->colormap_size > 0) &&
          (visual_info->klass == DirectColor))
        for (y=0; y < (ssize_t) image->rows; y++)
        {
          q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
          if (q == (Quantum *) NULL)
            break;
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            pixel=XGetPixel(dps_image,x,y);
            index=(pixel >> red_shift) & red_mask;
            SetPixelRed(image,ScaleShortToQuantum(colors[index].red),q);
            index=(pixel >> green_shift) & green_mask;
            SetPixelGreen(image,ScaleShortToQuantum(colors[index].green),q);
            index=(pixel >> blue_shift) & blue_mask;
            SetPixelBlue(image,ScaleShortToQuantum(colors[index].blue),q);
            q+=GetPixelChannels(image);
          }
          if (SyncAuthenticPixels(image,exception) == MagickFalse)
            break;
          if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse)
            break;
        }
      else
        for (y=0; y < (ssize_t) image->rows; y++)
        {
          q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
          if (q == (Quantum *) NULL)
            break;
          for (x=0; x < (ssize_t) image->columns; x++)
          {
            pixel=XGetPixel(dps_image,x,y);
            color=(pixel >> red_shift) & red_mask;
            color=(color*65535L)/red_mask;
            SetPixelRed(image,ScaleShortToQuantum((unsigned short) color),q);
            color=(pixel >> green_shift) & green_mask;
            color=(color*65535L)/green_mask;

开发者ID:edalquist，项目名称:ImageMagick，代码行数:67，代码来源:dps.c

示例14: ReadYUVImage


//.........这里部分代码省略.........
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    /*
      Convert raster image to pixel packets.
    */
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    status=SetImageExtent(image,image->columns,image->rows);
    if (status == MagickFalse)
      {
        InheritException(exception,&image->exception);
        return(DestroyImageList(image));
      }
    if (interlace == PartitionInterlace)
      {
        AppendImageFormat("Y",image->filename);
        status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
        if (status == MagickFalse)
          {
            image=DestroyImageList(image);
            return((Image *) NULL);
          }
      }
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      register PixelPacket
        *chroma_pixels;

      if (interlace == NoInterlace)
        {
          if ((y > 0) || (GetPreviousImageInList(image) == (Image *) NULL))
            (void) ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
          p=scanline;
          q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
          if (q == (PixelPacket *) NULL)
            break;
          chroma_pixels=QueueAuthenticPixels(chroma_image,0,y,
            chroma_image->columns,1,exception);
          if (chroma_pixels == (PixelPacket *) NULL)
            break;
          for (x=0; x < (ssize_t) image->columns; x+=2)
          {
            SetPixelRed(chroma_pixels,0);
            if (quantum == 1)
              SetPixelGreen(chroma_pixels,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelGreen(chroma_pixels,ScaleShortToQuantum(((*p) << 8) |
                  *(p+1)));
                p+=2;
              }
            if (quantum == 1)
              SetPixelRed(q,ScaleCharToQuantum(*p++));
            else
              {
                SetPixelRed(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
                p+=2;
              }
            SetPixelGreen(q,0);
            SetPixelBlue(q,0);
            q++;
            SetPixelGreen(q,0);
            SetPixelBlue(q,0);
            if (quantum == 1)
              SetPixelBlue(chroma_pixels,ScaleCharToQuantum(*p++));
            else

开发者ID:JohnHeywardOBrien，项目名称:photogram，代码行数:67，代码来源:yuv.c

示例15: ReadSCRImage


//.........这里部分代码省略.........
        (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);
    }
    image->columns = 256;
    image->rows = 192;
    count=ReadBlob(image,6144,(unsigned char *) zxscr);
    (void) count;
    count=ReadBlob(image,768,(unsigned char *) zxattr);
    for(zonenr=0; zonenr<3; zonenr++)
    {
        for(zoneline=0; zoneline<8; zoneline++)
        {
            for(octetline=0; octetline<8; octetline++)
            {
                for(octetnr=(zoneline*32); octetnr<((zoneline*32)+32); octetnr++)