--- /dev/null
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% FFFFF DDDD %
+% F D D %
+% FFF D D %
+% F D D %
+% F DDDD %
+% %
+% %
+% Retrieve An Image Via a File Descriptor. %
+% %
+% Software Design %
+% John Cristy %
+% Bill Radcliffe %
+% March 2000 %
+% %
+% %
+% Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization %
+% dedicated to making software imaging solutions freely available. %
+% %
+% You may not use this file except in compliance with the License. You may %
+% obtain a copy of the License at %
+% %
+% http://www.imagemagick.org/script/license.php %
+% %
+% Unless required by applicable law or agreed to in writing, software %
+% distributed under the License is distributed on an "AS IS" BASIS, %
+% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
+% See the License for the specific language governing permissions and %
+% limitations under the License. %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+*/
+\f
+/*
+ Include declarations.
+*/
+#include "MagickCore/studio.h"
+#include "MagickCore/blob.h"
+#include "MagickCore/blob-private.h"
+#include "MagickCore/constitute.h"
+#include "MagickCore/exception.h"
+#include "MagickCore/exception-private.h"
+#include "MagickCore/image.h"
+#include "MagickCore/image-private.h"
+#include "MagickCore/list.h"
+#include "MagickCore/magick.h"
+#include "MagickCore/memory_.h"
+#include "MagickCore/module.h"
+#include "MagickCore/quantum-private.h"
+#include "MagickCore/static.h"
+#include "MagickCore/resource_.h"
+#include "MagickCore/string_.h"
+#include "MagickCore/string-private.h"
+#include "MagickCore/utility.h"
+\f
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% R e a d F D I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% ReadFDImage retrieves an image via a file descriptor, decodes the image,
+% 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 ReadFDImage method is:
+%
+% Image *ReadFDImage(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 *ReadFDImage(const ImageInfo *image_info,ExceptionInfo *exception)
+{
+ Image
+ *image;
+
+ ImageInfo
+ *read_info;
+
+ /*
+ 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);
+ read_info=CloneImageInfo(image_info);
+ read_info->file=fdopen(StringToLong(image_info->filename),"rb");
+ if (read_info->file == (FILE *) NULL)
+ {
+ ThrowFileException(exception,BlobError,"UnableToOpenBlob",
+ image_info->filename);
+ return((Image *) NULL);
+ }
+ *read_info->magick='\0';
+ image=ReadImage(read_info,exception);
+ (void) fclose(read_info->file);
+ read_info=DestroyImageInfo(read_info);
+ if (image == (Image *) NULL)
+ {
+ (void) ThrowMagickException(exception,GetMagickModule(),CoderError,
+ "NoDataReturned","`%s'",image_info->filename);
+ return((Image *) NULL);
+ }
+ return(GetFirstImageInList(image));
+}
+\f
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% R e g i s t e r F D I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% RegisterFDImage() adds attributes for the FD image format to
+% the list of supported formats. The attributes include the image format
+% tag, a method to read and/or write the format, whether the format
+% supports the saving of more than one frame to the same file or blob,
+% whether the format supports native in-memory I/O, and a brief
+% description of the format.
+%
+% The format of the RegisterFDImage method is:
+%
+% size_t RegisterFDImage(void)
+%
+*/
+ModuleExport size_t RegisterFDImage(void)
+{
+ MagickInfo
+ *entry;
+
+ entry=SetMagickInfo("FD");
+ entry->decoder=(DecodeImageHandler *) ReadFDImage;
+ entry->description=ConstantString("Read image from a file descriptor");
+ entry->module=ConstantString("FD");
+// entry->stealth=MagickTrue;
+ (void) RegisterMagickInfo(entry);
+ return(MagickImageCoderSignature);
+}
+\f
+/*
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% U n r e g i s t e r F D I m a g e %
+% %
+% %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% UnregisterFDImage() removes format registrations made by the FD module from
+% the list of supported formats.
+%
+% The format of the UnregisterFDImage method is:
+%
+% UnregisterFDImage(void)
+%
+*/
+ModuleExport void UnregisterFDImage(void)
+{
+ (void) UnregisterMagickInfo("FD");
+}
projects / imagemagick / commitdiff