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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% X X TTTTT RRRR N N %
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% X X T R R NN N %
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% X T RRRR N N N %
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% X X T R R N NN %
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% X X T R R N N %
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% %
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% %
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% ImageMagickObject BLOB Interface. %
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% %
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% Software Design %
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% William Radcliffe %
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% May 2001 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% This coder is a kind of backdoor used by the COM object that allows it to %
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% pass blobs back and forth using the coder interface. It simply encodes and %
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% decodes the filename as a comma delimited string and extracts the info it %
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% needs. %
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/delegate.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/magick-private.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/module.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__MINGW32__)
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#define WIN32_LEAN_AND_MEAN
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#define VC_EXTRALEAN
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#include <windows.h>
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#include <ole2.h>
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteXTRNImage(const ImageInfo *,Image *,ExceptionInfo *exception);
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#endif
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d X T R N I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadXTRNImage() reads a XTRN image file and returns it. It
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% allocates the memory necessary for the new Image structure and returns a
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% pointer to the new image.
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%
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% The format of the ReadXTRNImage method is:
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%
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% Image *ReadXTRNImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: Specifies a pointer to an ImageInfo structure.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__MINGW32__)
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static Image *ReadXTRNImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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char
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*blob_data,
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filename[MagickPathExtent];
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HRESULT
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hr;
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Image
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*image;
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ImageInfo
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*clone_info;
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long
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lBoundl,
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lBoundu;
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SAFEARRAY
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*pSafeArray;
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size_t
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blob_length;
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void
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*param1;
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param1=(void *) NULL;
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image=(Image *) NULL;
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clone_info=CloneImageInfo(image_info);
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if (clone_info->filename == NULL)
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{
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clone_info=DestroyImageInfo(clone_info);
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ThrowReaderException(FileOpenWarning,"No filename specified");
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}
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*filename='\0';
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(void) sscanf(clone_info->filename,"%p,%2048s",¶m1,filename);
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hr=S_OK;
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pSafeArray=(SAFEARRAY *) param1;
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if (pSafeArray)
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{
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hr=SafeArrayGetLBound(pSafeArray,1,&lBoundl);
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if (SUCCEEDED(hr))
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{
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hr=SafeArrayGetUBound(pSafeArray,1,&lBoundu);
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if (SUCCEEDED(hr))
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{
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blob_length=lBoundu-lBoundl+1;
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hr=SafeArrayAccessData(pSafeArray,(void**) &blob_data);
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if (SUCCEEDED(hr))
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{
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*clone_info->filename='\0';
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*clone_info->magick='\0';
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if (*filename != '\0')
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(void) CopyMagickString(clone_info->filename,filename,
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MagickPathExtent);
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image=BlobToImage(clone_info,blob_data,blob_length,
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exception);
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hr=SafeArrayUnaccessData(pSafeArray);
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CatchException(exception);
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}
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}
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}
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}
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clone_info=DestroyImageInfo(clone_info);
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return(image);
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}
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#endif
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e g i s t e r X T R N I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterXTRNImage() adds attributes for the XTRN image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterXTRNImage method is:
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%
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% size_t RegisterXTRNImage(void)
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%
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*/
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ModuleExport size_t RegisterXTRNImage(void)
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{
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MagickInfo
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*entry;
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entry=AcquireMagickInfo("XTRN","XTRNARRAY",
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"External transfer via a smart array interface");
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#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__MINGW32__)
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entry->decoder=ReadXTRNImage;
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entry->encoder=WriteXTRNImage;
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#endif
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entry->flags^=CoderAdjoinFlag;
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entry->flags|=CoderStealthFlag;
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RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r X T R N I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterXTRNImage() removes format registrations made by the
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% XTRN module from the list of supported formats.
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%
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% The format of the UnregisterXTRNImage method is:
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%
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% UnregisterXTRNImage(void)
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%
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*/
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ModuleExport void UnregisterXTRNImage(void)
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{
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UnregisterMagickInfo("XTRNARRAY");
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% W r i t e X T R N I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% WriteXTRNImage() writes an image in the XTRN encoded image format.
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% We use GIF because it is the only format that is compressed without
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% requiring additional optional delegates (TIFF, ZIP, etc).
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%
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% The format of the WriteXTRNImage method is:
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%
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% MagickBooleanType WriteXTRNImage(const ImageInfo *image_info,
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% Image *image,ExceptionInfo *exception)
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%
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% A description of each parameter follows.
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%
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% o image_info: Specifies a pointer to an ImageInfo structure.
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%
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% o image: A pointer to a Image structure.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__MINGW32__)
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static size_t SafeArrayFifo(const Image *image,const void *data,
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const size_t length)
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{
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SAFEARRAYBOUND NewArrayBounds[1]; /* 1 Dimension */
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size_t tlen=length;
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SAFEARRAY *pSafeArray = (SAFEARRAY *)image->client_data;
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if (pSafeArray != NULL)
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{
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long lBoundl, lBoundu, lCount;
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HRESULT hr = S_OK;
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/* First see how big the buffer currently is */
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hr = SafeArrayGetLBound(pSafeArray, 1, &lBoundl);
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if (FAILED(hr))
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return MagickFalse;
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hr = SafeArrayGetUBound(pSafeArray, 1, &lBoundu);
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if (FAILED(hr))
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return MagickFalse;
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lCount = lBoundu - lBoundl + 1;
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if (length>0)
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{
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unsigned char *pReturnBuffer = NULL;
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NewArrayBounds[0].lLbound = 0; /* Start-Index 0 */
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NewArrayBounds[0].cElements = (unsigned long) (length+lCount); /* # Elemente */
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hr = SafeArrayRedim(pSafeArray, NewArrayBounds);
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if (FAILED(hr))
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return 0;
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hr = SafeArrayAccessData(pSafeArray, (void**)&pReturnBuffer);
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if( FAILED(hr) )
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return 0;
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(void) memcpy(pReturnBuffer+lCount,(unsigned char *) data,length);
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hr=SafeArrayUnaccessData(pSafeArray);
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if(FAILED(hr))
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return 0;
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}
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else
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{
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/* Adjust the length of the buffer to fit */
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}
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}
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return(tlen);
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}
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static MagickBooleanType WriteXTRNImage(const ImageInfo *image_info,
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Image *image,ExceptionInfo *exception)
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{
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char
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filename[MagickPathExtent];
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Image
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*p;
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ImageInfo
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*clone_info;
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int
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scene;
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MagickBooleanType
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status;
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size_t
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blob_length;
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unsigned char
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*blob_data;
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void
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*param1;
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param1 = (void *) NULL;
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status=MagickTrue;
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clone_info=CloneImageInfo(image_info);
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if (*clone_info->filename != '\0')
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{
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(void) sscanf(clone_info->filename,"%p,%2048s",¶m1,filename);
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image->client_data=param1;
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scene=0;
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(void) CopyMagickString(clone_info->filename,filename,
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MagickPathExtent);
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for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
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{
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(void) CopyMagickString(p->filename,filename,MagickPathExtent);
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p->scene=scene++;
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}
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SetImageInfo(clone_info,1,exception);
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(void) CopyMagickString(image->magick,clone_info->magick,
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MagickPathExtent);
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blob_data=ImageToBlob(clone_info,image,&blob_length,
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exception);
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if (blob_data == (unsigned char *) NULL)
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status=MagickFalse;
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else
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SafeArrayFifo(image,blob_data,blob_length);
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if (status == MagickFalse)
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CatchImageException(image);
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}
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clone_info=DestroyImageInfo(clone_info);
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return(MagickTrue);
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}
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#endif
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