- Modifications to compile ImageMagick
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Santi Noreña
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615ec83706
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83522c16c3
3442 changed files with 57 additions and 412926 deletions
334
ImageMagick/coders/mvg.c
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334
ImageMagick/coders/mvg.c
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% M M V V GGGG %
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% MM MM V V G %
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% M M M V V G GG %
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% M M V V G G %
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% M M V GGG %
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% %
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% %
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% Read/Write Magick Vector Graphics Metafiles. %
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% %
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% Software Design %
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% John Cristy %
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% April 2000 %
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% %
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% %
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% Copyright 1999-2013 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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% http://www.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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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/artifact.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/draw.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/module.h"
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#include "magick/pixel-accessor.h"
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#include "magick/property.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.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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WriteMVGImage(const ImageInfo *,Image *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s M V G %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% IsMVG() returns MagickTrue if the image format type, identified by the
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% magick string, is MVG.
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%
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% The format of the IsMVG method is:
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%
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% MagickBooleanType IsMVG(const unsigned char *magick,const size_t length)
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%
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% A description of each parameter follows:
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%
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% o magick: compare image format pattern against these bytes.
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%
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% o length: Specifies the length of the magick string.
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%
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*/
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static MagickBooleanType IsMVG(const unsigned char *magick,const size_t length)
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{
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if (length < 20)
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return(MagickFalse);
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if (LocaleNCompare((const char *) magick,"push graphic-context",20) == 0)
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return(MagickTrue);
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return(MagickFalse);
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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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% R e a d M V G 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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% ReadMVGImage creates a gradient image and initializes it to
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% the X server color range as specified by the filename. It allocates the
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% memory necessary for the new Image structure and returns a pointer to the
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% new image.
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%
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% The format of the ReadMVGImage method is:
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%
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% Image *ReadMVGImage(const ImageInfo *image_info,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: the image info.
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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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static Image *ReadMVGImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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#define BoundingBox "viewbox"
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DrawInfo
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*draw_info;
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Image
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*image;
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MagickBooleanType
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status;
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/*
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Open image.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickSignature);
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image=AcquireImage(image_info);
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status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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if (status == MagickFalse)
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{
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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if ((image->columns == 0) || (image->rows == 0))
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{
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char
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primitive[MaxTextExtent];
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register char
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*p;
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SegmentInfo
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bounds;
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/*
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Determine size of image canvas.
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*/
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while (ReadBlobString(image,primitive) != (char *) NULL)
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{
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for (p=primitive; (*p == ' ') || (*p == '\t'); p++) ;
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if (LocaleNCompare(BoundingBox,p,strlen(BoundingBox)) != 0)
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continue;
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(void) sscanf(p,"viewbox %lf %lf %lf %lf",&bounds.x1,&bounds.y1,
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&bounds.x2,&bounds.y2);
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image->columns=(size_t) floor((bounds.x2-bounds.x1)+0.5);
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image->rows=(size_t) floor((bounds.y2-bounds.y1)+0.5);
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break;
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}
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}
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if ((image->columns == 0) || (image->rows == 0))
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ThrowReaderException(OptionError,"MustSpecifyImageSize");
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draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
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draw_info->affine.sx=image->x_resolution == 0.0 ? 1.0 : image->x_resolution/
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DefaultResolution;
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draw_info->affine.sy=image->y_resolution == 0.0 ? 1.0 : image->y_resolution/
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DefaultResolution;
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image->columns=(size_t) (draw_info->affine.sx*image->columns);
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image->rows=(size_t) (draw_info->affine.sy*image->rows);
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if (SetImageBackgroundColor(image) == MagickFalse)
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{
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InheritException(exception,&image->exception);
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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/*
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Render drawing.
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*/
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if (GetBlobStreamData(image) == (unsigned char *) NULL)
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draw_info->primitive=FileToString(image->filename,~0UL,exception);
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else
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{
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draw_info->primitive=(char *) AcquireMagickMemory(GetBlobSize(image)+1);
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if (draw_info->primitive != (char *) NULL)
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{
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CopyMagickMemory(draw_info->primitive,GetBlobStreamData(image),
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GetBlobSize(image));
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draw_info->primitive[GetBlobSize(image)]='\0';
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}
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}
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(void) DrawImage(image,draw_info);
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draw_info=DestroyDrawInfo(draw_info);
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(void) CloseBlob(image);
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return(GetFirstImageInList(image));
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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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% R e g i s t e r M V G 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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% RegisterMVGImage() adds properties for the MVG image format
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% to the list of supported formats. The properties 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 RegisterMVGImage method is:
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%
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% size_t RegisterMVGImage(void)
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%
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*/
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ModuleExport size_t RegisterMVGImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("MVG");
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entry->decoder=(DecodeImageHandler *) ReadMVGImage;
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entry->encoder=(EncodeImageHandler *) WriteMVGImage;
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entry->magick=(IsImageFormatHandler *) IsMVG;
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entry->adjoin=MagickFalse;
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entry->seekable_stream=MagickTrue;
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entry->description=ConstantString("Magick Vector Graphics");
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entry->module=ConstantString("MVG");
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(void) 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 M V G 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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% UnregisterMVGImage() removes format registrations made by the
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% MVG module from the list of supported formats.
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%
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% The format of the UnregisterMVGImage method is:
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%
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% UnregisterMVGImage(void)
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%
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*/
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ModuleExport void UnregisterMVGImage(void)
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{
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(void) UnregisterMagickInfo("MVG");
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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 M V G 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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% WriteMVGImage() writes an image to a file in MVG image format.
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%
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% The format of the WriteMVGImage method is:
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%
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% MagickBooleanType WriteMVGImage(const ImageInfo *image_info,Image *image)
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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: the image info.
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%
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% o image: The image.
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%
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*/
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static MagickBooleanType WriteMVGImage(const ImageInfo *image_info,Image *image)
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{
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const char
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*value;
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MagickBooleanType
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status;
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/*
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Open output image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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value=GetImageArtifact(image,"MVG");
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if (value == (const char *) NULL)
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ThrowWriterException(OptionError,"NoImageVectorGraphics");
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status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
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if (status == MagickFalse)
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return(status);
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(void) WriteBlob(image,strlen(value),(const unsigned char *) value);
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(void) CloseBlob(image);
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return(MagickTrue);
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}
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