C++ AcquireNextImage函数代码示例

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


//.........这里部分代码省略.........
  {
    /*
      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)
            break;
        }
    }
    if (image->storage_class == PseudoClass)
      (void) SyncImage(image);
    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);
    (void) ReadBlobMSBShort(image);
    (void) ReadBlobMSBShort(image);
    bits_per_pixel=ReadBlobMSBShort(image);
    status=(width != 0UL) && (height == 0UL) && ((bits_per_pixel == 8) ||
      (bits_per_pixel == 24)) ? MagickTrue : MagickFalse;
    if (status == MagickTrue)
      {
        /*
          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 (status == MagickTrue);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:271845221，项目名称:Android-ImageMagick，代码行数:101，代码来源:pix.c

示例2: ReadVIFFImage


//.........这里部分代码省略.........
                        break;
                }
            }
        }
        else if (image->storage_class == PseudoClass)
            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++)
                {
                    SetPixelIndex(image,*p++,q);
                    q+=GetPixelChannels(image);
                }
                if (SyncAuthenticPixels(image,exception) == MagickFalse)
                    break;
                if (image->previous == (Image *) NULL)
                {
                    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                                            image->rows);
                    if (status == MagickFalse)
                        break;
                }
            }
        else
        {
            /*
              Convert DirectColor scanline.
            */
            number_pixels=(MagickSizeType) image->columns*image->rows;
            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++)
                {
                    SetPixelRed(image,ScaleCharToQuantum(*p),q);
                    SetPixelGreen(image,ScaleCharToQuantum(*(p+number_pixels)),q);
                    SetPixelBlue(image,ScaleCharToQuantum(*(p+2*number_pixels)),q);
                    if (image->colors != 0)
                    {
                        SetPixelRed(image,image->colormap[(ssize_t)
                                                          GetPixelRed(image,q)].red,q);
                        SetPixelGreen(image,image->colormap[(ssize_t)
                                                            GetPixelGreen(image,q)].green,q);
                        SetPixelBlue(image,image->colormap[(ssize_t)
                                                           GetPixelBlue(image,q)].blue,q);
                    }
                    SetPixelAlpha(image,image->alpha_trait == BlendPixelTrait ?
                                  ScaleCharToQuantum(*(p+number_pixels*3)) : OpaqueAlpha,q);
                    p++;
                    q+=GetPixelChannels(image);
                }
                if (SyncAuthenticPixels(image,exception) == MagickFalse)
                    break;
                if (image->previous == (Image *) NULL)
                {
                    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                                            image->rows);
                    if (status == MagickFalse)
                        break;
                }
            }
        }
        viff_pixels=(unsigned char *) RelinquishMagickMemory(viff_pixels);
        if (image->storage_class == PseudoClass)
            (void) SyncImage(image,exception);
        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;
        count=ReadBlob(image,1,&viff_info.identifier);
        if ((count != 0) && (viff_info.identifier == 0xab))
        {
            /*
              Allocate next image structure.
            */
            AcquireNextImage(image_info,image,exception);
            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 ((count != 0) && (viff_info.identifier == 0xab));

开发者ID:verma-manish58，项目名称:ImageMagick，代码行数:101，代码来源:viff.c

示例3: assert


//.........这里部分代码省略.........
    /*
      Verify that required image information is defined.
    */
    if (comment != (char *) NULL)
    {
        (void) SetImageProperty(image,"comment",comment);
        comment=DestroyString(comment);
    }
    if (EOFBlob(image) != MagickFalse)
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
                           image->filename);
    number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows;
    if ((fits_info.simple == MagickFalse) || (fits_info.number_axes < 1) ||
            (fits_info.number_axes > 4) || (number_pixels == 0))
        ThrowReaderException(CorruptImageError,"ImageTypeNotSupported");
    for (scene=0; scene < (ssize_t) fits_info.number_planes; scene++)
    {
        image->columns=(size_t) fits_info.columns;
        image->rows=(size_t) fits_info.rows;
        image->depth=(size_t) (fits_info.bits_per_pixel < 0 ? -1 : 1)*
                     fits_info.bits_per_pixel;
        image->endian=fits_info.endian;
        image->scene=(size_t) scene;
        if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
            if (image->scene >= (image_info->scene+image_info->number_scenes-1))
                break;
        /*
          Initialize image structure.
        */
        if ((fits_info.min_data != 0.0) || (fits_info.max_data != 0.0))
        {
            if ((fits_info.bits_per_pixel != 0) && (fits_info.max_data == 0.0))
                fits_info.max_data=GetFITSPixelRange((size_t)
                                                     fits_info.bits_per_pixel);
        }
        else
            GetFITSPixelExtrema(image,fits_info.bits_per_pixel,&fits_info.min_data,
                                &fits_info.max_data);
        /*
          Convert FITS pixels to pixel packets.
        */
        scale=(double) QuantumRange/(fits_info.scale*(fits_info.max_data-
                                     fits_info.min_data)+fits_info.zero);
        for (y=(ssize_t) image->rows-1; y >= 0; y--)
        {
            q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
            if (q == (PixelPacket *) NULL)
                break;
            for (x=0; x < (ssize_t) image->columns; x++)
            {
                pixel=GetFITSPixel(image,fits_info.bits_per_pixel);
                SetPixelRed(q,ClampToQuantum(scale*(fits_info.scale*(pixel-
                                                    fits_info.min_data)+fits_info.zero)));
                SetPixelGreen(q,GetPixelRed(q));
                SetPixelBlue(q,GetPixelRed(q));
                q++;
            }
            if (SyncAuthenticPixels(image,exception) == MagickFalse)
                break;
            if (image->previous == (Image *) NULL)
            {
                status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                                        image->rows);
                if (status == MagickFalse)
                    break;
            }
        }
        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;
        if (scene < (ssize_t) (fits_info.number_planes-1))
        {
            /*
              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;
        }
    }
    (void) CloseBlob(image);
    return(GetFirstImageInList(image));
}

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4: ReadMTVImage


//.........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);
    }
    /*
      Read MTV image.
    */
    (void) ReadBlobString(image,buffer);
    count=(ssize_t) sscanf(buffer,"%lu %lu\n",&columns,&rows);
    if (count <= 0)
        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
    do
    {
        /*
          Initialize image structure.
        */
        image->columns=columns;
        image->rows=rows;
        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;
        /*
          Convert MTV raster image to pixel packets.
        */
        pixels=(unsigned char *) AcquireQuantumMemory((size_t) image->columns,
                3UL*sizeof(*pixels));
        if (pixels == (unsigned char *) NULL)
            ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
        for (y=0; y < (ssize_t) image->rows; y++)
        {
            count=(ssize_t) ReadBlob(image,(size_t) (3*image->columns),pixels);
            if (count != (ssize_t) (3*image->columns))
                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,ScaleCharToQuantum(*p++));
                SetPixelGreen(q,ScaleCharToQuantum(*p++));
                SetPixelBlue(q,ScaleCharToQuantum(*p++));
                SetPixelOpacity(q,OpaqueOpacity);
                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;
        *buffer='\0';
        (void) ReadBlobString(image,buffer);
        count=(ssize_t) sscanf(buffer,"%lu %lu\n",&columns,&rows);
        if (count > 0)
        {
            /*
              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 (count > 0);
    (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:mtv.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: ReadMPCImage


//.........这里部分代码省略.........
            switch (depth)
            {
              default:
                ThrowReaderException(CorruptImageError,
                  "ImageDepthNotSupported");
              case 8:
              {
                unsigned char
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].red=ScaleCharToQuantum(pixel);
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].green=ScaleCharToQuantum(pixel);
                  p=PushCharPixel(p,&pixel);
                  image->colormap[i].blue=ScaleCharToQuantum(pixel);
                }
                break;
              }
              case 16:
              {
                unsigned short
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].red=ScaleShortToQuantum(pixel);
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].green=ScaleShortToQuantum(pixel);
                  p=PushShortPixel(MSBEndian,p,&pixel);
                  image->colormap[i].blue=ScaleShortToQuantum(pixel);
                }
                break;
              }
              case 32:
              {
                unsigned long
                  pixel;

                for (i=0; i < (long) image->colors; i++)
                {
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].red=ScaleLongToQuantum(pixel);
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].green=ScaleLongToQuantum(pixel);
                  p=PushLongPixel(MSBEndian,p,&pixel);
                  image->colormap[i].blue=ScaleLongToQuantum(pixel);
                }
                break;
              }
            }
            colormap=(unsigned char *) RelinquishMagickMemory(colormap);
          }
      }
    if (EOFBlob(image) != MagickFalse)
      {
        ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
          image->filename);
        break;
      }
    if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
      if (image->scene >= (image_info->scene+image_info->number_scenes-1))
        break;
    /*
      Attach persistent pixel cache.
    */
    status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
    if (status == MagickFalse)
      ThrowReaderException(CacheError,"UnableToPersistPixelCache");
    /*
      Proceed to next image.
    */
    do
    {
      c=ReadBlobByte(image);
    } while ((isgraph(c) == MagickFalse) && (c != EOF));
    if (c != EOF)
      {
        /*
          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 (c != EOF);
  (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:mpc.c

示例7: ReadYUVImage


//.........这里部分代码省略.........
          AppendImageFormat("V",image->filename);
          status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
          if (status == MagickFalse)
            {
              image=DestroyImageList(image);
              return((Image *) NULL);
            }
        }
      for (y=0; y < (ssize_t) chroma_image->rows; y++)
      {
        (void) ReadBlob(image,(size_t) quantum*chroma_image->columns,scanline);
        p=scanline;
        q=GetAuthenticPixels(chroma_image,0,y,chroma_image->columns,1,
          exception);
        if (q == (PixelPacket *) NULL)
          break;
        for (x=0; x < (ssize_t) chroma_image->columns; x++)
        {
          if (quantum == 1)
            SetPixelBlue(q,ScaleCharToQuantum(*p++));
          else
            {
              SetPixelBlue(q,ScaleShortToQuantum(((*p) << 8) | *(p+1)));
              p+=2;
            }
          q++;
        }
        if (SyncAuthenticPixels(chroma_image,exception) == MagickFalse)
          break;
      }
    }
    /*
      Scale image.
    */
    resize_image=ResizeImage(chroma_image,image->columns,image->rows,
      TriangleFilter,1.0,exception);
    chroma_image=DestroyImage(chroma_image);
    if (resize_image == (Image *) NULL)
      ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
    for (y=0; y < (ssize_t) image->rows; y++)
    {
      q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
      chroma_pixels=GetVirtualPixels(resize_image,0,y,resize_image->columns,1,
        &resize_image->exception);
      if ((q == (PixelPacket *) NULL) ||
          (chroma_pixels == (const PixelPacket *) NULL))
        break;
      for (x=0; x < (ssize_t) image->columns; x++)
      {
        SetPixelGreen(q,GetPixelGreen(chroma_pixels));
        SetPixelBlue(q,GetPixelBlue(chroma_pixels));
        chroma_pixels++;
        q++;
      }
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
    }
    resize_image=DestroyImage(resize_image);
    SetImageColorspace(image,YCbCrColorspace);
    if (interlace == PartitionInterlace)
      (void) CopyMagickString(image->filename,image_info->filename,
        MaxTextExtent);
    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;
    if (interlace == NoInterlace)
      count=ReadBlob(image,(size_t) (2*quantum*image->columns),scanline);
    else
      count=ReadBlob(image,(size_t) quantum*image->columns,scanline);
    if (count != 0)
      {
        /*
          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 (count != 0);
  scanline=(unsigned char *) RelinquishMagickMemory(scanline);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:JohnHeywardOBrien，项目名称:photogram，代码行数:101，代码来源:yuv.c

示例8: ReadTEXTImage


//.........这里部分代码省略.........
    {
      ImageInfo
        *read_info;

      read_info=CloneImageInfo(image_info);
      SetImageInfoBlob(read_info,(void *) NULL,0);
      (void) CopyMagickString(read_info->filename,image_info->texture,
        MaxTextExtent);
      texture=ReadImage(read_info,exception);
      read_info=DestroyImageInfo(read_info);
    }
  /*
    Annotate the text image.
  */
  (void) SetImageBackgroundColor(image);
  draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
  (void) CloneString(&draw_info->text,image_info->filename);
  (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x,
    (long) page.y);
  (void) CloneString(&draw_info->geometry,geometry);
  status=GetTypeMetrics(image,draw_info,&metrics);
  if (status == MagickFalse)
    ThrowReaderException(TypeError,"UnableToGetTypeMetrics");
  page.y=(ssize_t) ceil((double) page.y+metrics.ascent-0.5);
  (void) FormatLocaleString(geometry,MaxTextExtent,"0x0%+ld%+ld",(long) page.x,
    (long) page.y);
  (void) CloneString(&draw_info->geometry,geometry);
  (void) CopyMagickString(filename,image_info->filename,MaxTextExtent);
  if (*draw_info->text != '\0')
    *draw_info->text='\0';
  p=text;
  for (offset=2*page.y; p != (char *) NULL; )
  {
    /*
      Annotate image with text.
    */
    (void) ConcatenateString(&draw_info->text,text);
    (void) ConcatenateString(&draw_info->text,"\n");
    offset+=(ssize_t) (metrics.ascent-metrics.descent);
    if (image->previous == (Image *) NULL)
      {
        status=SetImageProgress(image,LoadImageTag,offset,image->rows);
        if (status == MagickFalse)
          break;
      }
    p=ReadBlobString(image,text);
    if ((offset < (ssize_t) image->rows) && (p != (char *) NULL))
      continue;
    if (texture != (Image *) NULL)
      {
        MagickProgressMonitor
          progress_monitor;

        progress_monitor=SetImageProgressMonitor(image,
          (MagickProgressMonitor) NULL,image->client_data);
        (void) TextureImage(image,texture);
        (void) SetImageProgressMonitor(image,progress_monitor,
          image->client_data);
      }
    (void) AnnotateImage(image,draw_info);
    if (p == (char *) NULL)
      break;
    /*
      Page is full-- allocate next image structure.
    */
    *draw_info->text='\0';
    offset=2*page.y;
    AcquireNextImage(image_info,image);
    if (GetNextImageInList(image) == (Image *) NULL)
      {
        image=DestroyImageList(image);
        return((Image *) NULL);
      }
    image->next->columns=image->columns;
    image->next->rows=image->rows;
    image=SyncNextImageInList(image);
    (void) CopyMagickString(image->filename,filename,MaxTextExtent);
    (void) SetImageBackgroundColor(image);
    status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
      GetBlobSize(image));
    if (status == MagickFalse)
      break;
  }
  if (texture != (Image *) NULL)
    {
      MagickProgressMonitor
        progress_monitor;

      progress_monitor=SetImageProgressMonitor(image,
        (MagickProgressMonitor) NULL,image->client_data);
      (void) TextureImage(image,texture);
      (void) SetImageProgressMonitor(image,progress_monitor,image->client_data);
    }
  (void) AnnotateImage(image,draw_info);
  if (texture != (Image *) NULL)
    texture=DestroyImage(texture);
  draw_info=DestroyDrawInfo(draw_info);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:GalliumOS，项目名称:imagemagick，代码行数:101，代码来源:txt.c

示例9: assert


//.........这里部分代码省略.........
  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);
        q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
        if (q == (PixelPacket *) NULL)
                break;
        (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
          RedQuantum,pixels,exception);  
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
      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,
          GreenQuantum,pixels,exception);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
      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,
          BlueQuantum,pixels,exception);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
   }
   SetQuantumImageType(image,quantum_type);
 
    t_count++;
  quantum_info = DestroyQuantumInfo(quantum_info);

    if (EOFBlob(image) != MagickFalse)
    {
      ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
                 image->filename);
      break;
    }
   if(t_count < ipl_info.z * ipl_info.time){
      /*
       Proceed to next image.
       */
      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 (t_count < ipl_info.z*ipl_info.time);
  CloseBlob(image);
  return(GetFirstImageInList(image));
}

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

示例10: assert


//.........这里部分代码省略.........
          if (frame_image != (Image *) NULL)
            {
              image=DestroyImage(image);
              image=frame_image;
            }
          x=0;
          y=0;
        }
      if (LocaleCompare(image->magick,"NULL") != 0)
        {
          /*
            Composite background with tile.
          */
          if (montage_info->shadow != MagickFalse)
            {
              Image
                *shadow_image;

              /*
                Shadow image.
              */
              (void) QueryColorCompliance("#0000",AllCompliance,
                &image->background_color,exception);
              shadow_image=ShadowImage(image,80.0,2.0,5,5,exception);
              if (shadow_image != (Image *) NULL)
                {
                  (void) CompositeImage(shadow_image,image,OverCompositeOp,
                    MagickTrue,0,0,exception);
                  image=DestroyImage(image);
                  image=shadow_image;
                }
          }
          (void) CompositeImage(montage,image,image->compose,MagickTrue,
            x_offset+x,y_offset+y,exception);
          value=GetImageProperty(image,"label",exception);
          if (value != (const char *) NULL)
            {
              /*
                Annotate composite tile with label.
              */
              (void) FormatLocaleString(tile_geometry,MagickPathExtent,
                "%.20gx%.20g%+.20g%+.20g",(double) ((montage_info->frame ?
                image->columns : width)-2*border_width),(double)
                (metrics.ascent-metrics.descent+4)*MultilineCensus(value),
                (double) (x_offset+border_width),(double)
                ((montage_info->frame ? y_offset+height+border_width+4 :
                y_offset+extract_info.height+border_width+
                (montage_info->shadow != MagickFalse ? 4 : 0))+bevel_width));
              (void) CloneString(&draw_info->geometry,tile_geometry);
              (void) CloneString(&draw_info->text,value);
              (void) AnnotateImage(montage,draw_info,exception);
            }
        }
      x_offset+=(ssize_t) (width+2*(extract_info.x+border_width));
      if (((tile+1) == (ssize_t) tiles_per_page) ||
          (((tile+1) % tiles_per_row) == 0))
        {
          x_offset=extract_info.x;
          y_offset+=(ssize_t) (height+(extract_info.y+border_width)*2+
            (metrics.ascent-metrics.descent+4)*number_lines+
            (montage_info->shadow != MagickFalse ? 4 : 0));
          max_height=0;
        }
      if (images->progress_monitor != (MagickProgressMonitor) NULL)
        {
          proceed=SetImageProgress(image,MontageImageTag,tiles,total_tiles);
          if (proceed == MagickFalse)
            status=MagickFalse;
        }
      image_list[tile]=DestroyImage(image_list[tile]);
      image=DestroyImage(image);
      tiles++;
    }
    (void) status;
    if ((i+1) < (ssize_t) images_per_page)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(clone_info,montage,exception);
        if (GetNextImageInList(montage) == (Image *) NULL)
          {
            montage=DestroyImageList(montage);
            return((Image *) NULL);
          }
        montage=GetNextImageInList(montage);
        montage->background_color=montage_info->background_color;
        image_list+=tiles_per_page;
        number_images-=tiles_per_page;
      }
  }
  tile_image=DestroyImage(tile_image);
  if (texture != (Image *) NULL)
    texture=DestroyImage(texture);
  title=DestroyString(title);
  master_list=(Image **) RelinquishMagickMemory(master_list);
  draw_info=DestroyDrawInfo(draw_info);
  clone_info=DestroyImageInfo(clone_info);
  return(GetFirstImageInList(montage));
}

开发者ID:vcgato29，项目名称:ImageMagick，代码行数:101，代码来源:montage.c

示例11: ReadYCBCRImage


//.........这里部分代码省略.........
                canvas_image=DestroyImageList(canvas_image);
                image=DestroyImageList(image);
                return((Image *) NULL);
              }
            length=GetQuantumExtent(canvas_image,quantum_info,AlphaQuantum);
            for (i=0; i < (ssize_t) scene; i++)
              for (y=0; y < (ssize_t) image->extract_info.height; y++)
                if (ReadBlob(image,length,pixels) != (ssize_t) length)
                  {
                    ThrowFileException(exception,CorruptImageError,
                      "UnexpectedEndOfFile",image->filename);
                    break;
                  }
            count=ReadBlob(image,length,pixels);
            for (y=0; y < (ssize_t) image->extract_info.height; y++)
            {
              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,BlueQuantum,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,canvas_image->columns,1,
                    exception);
                  q=GetAuthenticPixels(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++)
                  {
                    SetPixelOpacity(q,GetPixelOpacity(p));
                    p++;
                    q++;
                  }
                  if (SyncAuthenticPixels(image,exception) == MagickFalse)
                    break;
               }
              count=ReadBlob(image,length,pixels);
            }
            if (image->previous == (Image *) NULL)
              {
                status=SetImageProgress(image,LoadImageTag,4,5);
                if (status == MagickFalse)
                  break;
              }
          }
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,5,5);
            if (status == MagickFalse)
              break;
          }
        break;
      }
    }
    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:0xPr0xy，项目名称:ImageMagick，代码行数:101，代码来源:ycbcr.c

示例12: assert


//.........这里部分代码省略.........
      }
    else
      {
        /*
          Create grayscale map.
        */
        if (AcquireImageColormap(image,image->colors) == MagickFalse)
          ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
        /*
          Convert SGI image to PseudoClass pixel packets.
        */
        if (bytes_per_pixel == 2)
          {
            for (y=0; y < (ssize_t) image->rows; y++)
            {
              p=pixels+(image->rows-y-1)*8*image->columns;
              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++)
              {
                quantum=(*p << 8);
                quantum|=(*(p+1));
                SetPixelIndex(indexes+x,quantum);
                p+=8;
                q++;
              }
              if (SyncAuthenticPixels(image,exception) == MagickFalse)
                break;
              if (image->previous == (Image *) NULL)
                {
                  status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
                    y,image->rows);
                  if (status == MagickFalse)
                    break;
                }
            }
          }
        else
          for (y=0; y < (ssize_t) image->rows; y++)
          {
            p=pixels+(image->rows-y-1)*4*image->columns;
            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++)
            {
              SetPixelIndex(indexes+x,*p);
              p+=4;
              q++;
            }
            if (SyncAuthenticPixels(image,exception) == MagickFalse)
              break;
            if (image->previous == (Image *) NULL)
              {
                status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
                image->rows);
                if (status == MagickFalse)
                  break;
              }
          }
        (void) SyncImage(image);
      }
    pixel_info=RelinquishVirtualMemory(pixel_info);
    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;
    iris_info.magic=ReadBlobMSBShort(image);
    if (iris_info.magic == 0x01DA)
      {
        /*
          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 (iris_info.magic == 0x01DA);
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

开发者ID:acal，项目名称:alchemy，代码行数:101，代码来源:sgi.c

示例13: assert


//.........这里部分代码省略.........
              }
              if ((image->columns % 4) != 0)
                {
                  for (i=3; i >= (long) (4-(image->columns % 4)); i--)
                    *r++=(unsigned char) ((*p >> (i*2)) & 0x03);
                  p++;
                }
              break;
            }
            case 4:
            {
              for (x=0; x < ((long) image->columns-1); x+=2)
              {
                *r++=(*p >> 4) & 0xf;
                *r++=(*p) & 0xf;
                p++;
              }
              if ((image->columns % 2) != 0)
                *r++=(*p++ >> 4) & 0xf;
              break;
            }
            case 8:
            {
              (void) CopyMa

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C++ AcquireQuantumInfo函数代码示例发布时间：2022-05-30

C++ AcquireMagickMemory函数代码示例发布时间：2022-05-30

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C++ AcquireNextImage函数代码示例

示例1: ReadPIXImage

示例2: ReadVIFFImage

示例3: assert

示例4: ReadMTVImage

示例5: ReadAVSImage

示例6: ReadMPCImage

示例7: ReadYUVImage

示例8: ReadTEXTImage

示例9: assert

示例10: assert

示例11: ReadYCBCRImage

示例12: assert

示例13: assert

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C++ AcquireNextImage函数代码示例

示例1: ReadPIXImage

示例2: ReadVIFFImage

示例3: assert

示例4: ReadMTVImage

示例5: ReadAVSImage

示例6: ReadMPCImage

示例7: ReadYUVImage

示例8: ReadTEXTImage

示例9: assert

示例10: assert

示例11: ReadYCBCRImage

示例12: assert

示例13: assert

请发表评论

全部评论

上一篇：

下一篇：

dphi-official/Machine_Learning_Bootcamp

win7系统注册表编辑器打开的操作方法

PrismarineJS/prismarine-physics: Provide

微信小程序 生成小程序码

MATPOWER/matpower: MATPOWER – steady st

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

florent37/ViewAnimator: A fluent Android

florent37/Shrine-MaterialDesign2: implem

CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

关于我们

产品与服务

解决方案

139-2527-9053

微信小程序生成小程序码