Image Magick

ImageMagick-6.1.1/coders/mvg.c File Reference

#include "magick/studio.h"
#include "magick/attribute.h"
#include "magick/blob.h"
#include "magick/blob_private.h"
#include "magick/draw.h"
#include "magick/error.h"
#include "magick/error_private.h"
#include "magick/image.h"
#include "magick/image_private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/static.h"
#include "magick/string_.h"

Include dependency graph for mvg.c:

Go to the source code of this file.

Defines
#define	BoundingBox   "viewbox"
Functions
MagickBooleanType	WriteMVGImage (const ImageInfo *, Image *)
MagickBooleanType	IsMVG (const unsigned char *magick, const size_t length)
Image *	ReadMVGImage (const ImageInfo *image_info, ExceptionInfo *exception)
ModuleExport void	RegisterMVGImage (void)
ModuleExport void	UnregisterMVGImage (void)

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Define Documentation

#define BoundingBox   "viewbox"

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Function Documentation

MagickBooleanType IsMVG (  const unsigned char *  magick, const size_t  length )  [static]

Definition at line 90 of file mvg.c. References LocaleNCompare(), MagickBooleanType, MagickFalse, and MagickTrue. Referenced by RegisterMVGImage(). { if (length < 20) return(MagickFalse); if (LocaleNCompare((char *) magick,"push graphic-context",20) == 0) return(MagickTrue); return(MagickFalse); } Here is the call graph for this function:

Image* ReadMVGImage (  const ImageInfo *  image_info, ExceptionInfo *  exception )  [static]

Definition at line 127 of file mvg.c. References AcquireString(), _DrawInfo::affine, AllocateImage(), assert, BoundingBox, CloneDrawInfo(), CloseBlob(), _Image::columns, _ImageInfo::debug, DestroyDrawInfo(), DestroyImageList(), DrawImage(), _Image::filename, _ImageInfo::filename, FileToBlob(), _DrawInfo::fill, GetBlobStreamData(), GetFirstImageInList(), GetMagickModule, LocaleNCompare(), LogMagickEvent(), MagickBooleanType, MagickFalse, MagickSignature, MaxTextExtent, OpaqueOpacity, OpenBlob(), OptionError, _ImageInfo::pen, _DrawInfo::primitive, ReadBinaryBlobMode, ReadBlobString(), _Image::rows, SegmentInfo, SetImage(), _ExceptionInfo::signature, _ImageInfo::signature, _AffineMatrix::sx, _AffineMatrix::sy, ThrowReaderException, TraceEvent, _SegmentInfo::x1, _SegmentInfo::x2, _Image::x_resolution, _SegmentInfo::y1, _SegmentInfo::y2, and _Image::y_resolution. Referenced by RegisterMVGImage(). { #define BoundingBox "viewbox" DrawInfo *draw_info; Image *image; MagickBooleanType status; size_t length; unsigned char *primitive; /* Open image. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AllocateImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { DestroyImageList(image); return((Image *) NULL); } if ((image->columns == 0) || (image->rows == 0)) { char primitive[MaxTextExtent]; register char *p; SegmentInfo bounds; /* Determine size of image canvas. */ while (ReadBlobString(image,primitive) != (char *) NULL) { for (p=primitive; (*p == ' ') || (*p == '\t'); p++); if (LocaleNCompare(BoundingBox,p,strlen(BoundingBox)) != 0) continue; (void) sscanf(p,"viewbox %lf %lf %lf %lf",&bounds.x1,&bounds.y1, &bounds.x2,&bounds.y2); image->columns=(unsigned long) ((bounds.x2-bounds.x1)+0.5); image->rows=(unsigned long) ((bounds.y2-bounds.y1)+0.5); break; } } if ((image->columns == 0) || (image->rows == 0)) ThrowReaderException(OptionError,"MustSpecifyImageSize"); draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL); draw_info->affine.sx= image->x_resolution == 0.0 ? 1.0 : image->x_resolution/72.0; draw_info->affine.sy= image->y_resolution == 0.0 ? 1.0 : image->y_resolution/72.0; image->columns=(unsigned long) (draw_info->affine.sx*image->columns); image->rows=(unsigned long) (draw_info->affine.sy*image->rows); SetImage(image,OpaqueOpacity); /* Render drawing. */ draw_info->fill=image_info->pen; primitive=GetBlobStreamData(image); if (primitive != (unsigned char) NULL) draw_info->primitive=AcquireString((char *) primitive); else draw_info->primitive=(char *) FileToBlob(image->filename,&length,exception); if (draw_info->primitive == (char *) NULL) return((Image *) NULL); (void) DrawImage(image,draw_info); draw_info=DestroyDrawInfo(draw_info); CloseBlob(image); return(GetFirstImageInList(image)); } Here is the call graph for this function:

ModuleExport void RegisterMVGImage (  void   )

Definition at line 238 of file mvg.c. References AcquireString(), _MagickInfo::adjoin, _MagickInfo::decoder, DecoderHandler, _MagickInfo::description, _MagickInfo::encoder, EncoderHandler, IsMVG(), _MagickInfo::magick, MagickFalse, MagickHandler, MagickTrue, _MagickInfo::module, ModuleExport, ReadMVGImage(), RegisterMagickInfo(), _MagickInfo::seekable_stream, SetMagickInfo(), and WriteMVGImage(). Referenced by RegisterStaticModules(). { MagickInfo *entry; entry=SetMagickInfo("MVG"); entry->decoder=(DecoderHandler *) ReadMVGImage; entry->encoder=(EncoderHandler *) WriteMVGImage; entry->magick=(MagickHandler *) IsMVG; entry->adjoin=MagickFalse; entry->seekable_stream=MagickTrue; entry->description=AcquireString("Magick Vector Graphics"); entry->module=AcquireString("MVG"); (void) RegisterMagickInfo(entry); } Here is the call graph for this function:

ModuleExport void UnregisterMVGImage (  void   )

Definition at line 273 of file mvg.c. References ModuleExport, and UnregisterMagickInfo(). Referenced by UnregisterStaticModules(). { (void) UnregisterMagickInfo("MVG"); } Here is the call graph for this function:

MagickBooleanType WriteMVGImage (  const ImageInfo *  , Image *  )  [static]

Definition at line 303 of file mvg.c. References assert, CloseBlob(), _Image::debug, _Image::exception, _Image::filename, GetImageAttribute(), GetMagickModule, LogMagickEvent(), MagickBooleanType, MagickFalse, MagickSignature, MagickTrue, OpenBlob(), OptionError, _Image::signature, _ImageInfo::signature, ThrowWriterException, TraceEvent, _ImageAttribute::value, WriteBlob(), and WriteBlobMode. Referenced by RegisterMVGImage(). { const ImageAttribute *attribute; MagickBooleanType status; /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),image->filename); attribute=GetImageAttribute(image,"[MVG]"); if (attribute == (ImageAttribute *) NULL) ThrowWriterException(OptionError,"NoImageVectorGraphics"); status=OpenBlob(image_info,image,WriteBlobMode,&image->exception); if (status == MagickFalse) return(status); (void) WriteBlob(image,strlen(attribute->value),(unsigned char *) attribute->value); CloseBlob(image); return(MagickTrue); } Here is the call graph for this function:

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