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/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
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% %
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% %
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% %
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% TTTTT TTTTT FFFFF %
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% T T F %
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% T T FFF %
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% T T F %
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% T T F %
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% %
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% %
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% Return A Preview For A TrueType or Postscript Font %
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% %
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% Software Design %
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|
% Cristy %
|
|
|
% July 1992 %
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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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|
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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/draw.h"
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|
#include "MagickCore/exception.h"
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|
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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/memory_.h"
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|
#include "MagickCore/quantum-private.h"
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|
#include "MagickCore/resource_.h"
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|
|
#include "MagickCore/static.h"
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|
#include "MagickCore/string_.h"
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|
#include "MagickCore/module.h"
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|
#include "MagickCore/type.h"
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|
#include "MagickCore/utility.h"
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#if defined(MAGICKCORE_FREETYPE_DELEGATE)
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|
|
#include <ft2build.h>
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|
|
#if defined(FT_FREETYPE_H)
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# include FT_FREETYPE_H
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|
#else
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# include <freetype/freetype.h>
|
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|
#endif
|
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|
#endif
|
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|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
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|
% %
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|
% %
|
|
|
% %
|
|
|
% I s P F A %
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|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsPFA()() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is PFA.
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%
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|
|
% The format of the IsPFA method is:
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|
%
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|
% MagickBooleanType IsPFA(const unsigned char *magick,const size_t length)
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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 IsPFA(const unsigned char *magick,const size_t length)
|
|
|
{
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|
|
if (length < 14)
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|
|
return(MagickFalse);
|
|
|
if (LocaleNCompare((char *) magick,"%!PS-AdobeFont",14) == 0)
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|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% I s T T F %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsTTF()() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is TTF.
|
|
|
%
|
|
|
% The format of the IsTTF method is:
|
|
|
%
|
|
|
% MagickBooleanType IsTTF(const unsigned char *magick,const size_t length)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o magick: compare image format pattern against these bytes.
|
|
|
%
|
|
|
% o length: Specifies the length of the magick string.
|
|
|
%
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType IsTTF(const unsigned char *magick,const size_t length)
|
|
|
{
|
|
|
if (length < 5)
|
|
|
return(MagickFalse);
|
|
|
if (((int) magick[0] == 0x00) && ((int) magick[1] == 0x01) &&
|
|
|
((int) magick[2] == 0x00) && ((int) magick[3] == 0x00) &&
|
|
|
((int) magick[4] == 0x00))
|
|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d T T F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadTTFImage() reads a TrueType font file 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 ReadTTFImage method is:
|
|
|
%
|
|
|
% Image *ReadTTFImage(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 *ReadTTFImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
|
|
{
|
|
|
char
|
|
|
buffer[MagickPathExtent],
|
|
|
*text;
|
|
|
|
|
|
const char
|
|
|
Text[] =
|
|
|
"abcdefghijklmnopqrstuvwxyz\n"
|
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZ\n"
|
|
|
"0123456789.:,;(*!?}^)#${%^&-+@\n";
|
|
|
|
|
|
const TypeInfo
|
|
|
*type_info;
|
|
|
|
|
|
DrawInfo
|
|
|
*draw_info;
|
|
|
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
PixelInfo
|
|
|
background_color;
|
|
|
|
|
|
ssize_t
|
|
|
i,
|
|
|
x;
|
|
|
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
/*
|
|
|
Open image file.
|
|
|
*/
|
|
|
assert(image_info != (const ImageInfo *) NULL);
|
|
|
assert(image_info->signature == MagickCoreSignature);
|
|
|
if (image_info->debug != MagickFalse)
|
|
|
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
|
|
image_info->filename);
|
|
|
assert(exception != (ExceptionInfo *) NULL);
|
|
|
assert(exception->signature == MagickCoreSignature);
|
|
|
image=AcquireImage(image_info,exception);
|
|
|
image->columns=800;
|
|
|
image->rows=480;
|
|
|
type_info=GetTypeInfo(image_info->filename,exception);
|
|
|
if ((type_info != (const TypeInfo *) NULL) &&
|
|
|
(type_info->glyphs != (char *) NULL))
|
|
|
(void) CopyMagickString(image->filename,type_info->glyphs,MagickPathExtent);
|
|
|
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
{
|
|
|
image=DestroyImageList(image);
|
|
|
return((Image *) NULL);
|
|
|
}
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
/*
|
|
|
Color canvas with background color
|
|
|
*/
|
|
|
background_color=image_info->background_color;
|
|
|
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++)
|
|
|
{
|
|
|
SetPixelViaPixelInfo(image,&background_color,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
(void) CopyMagickString(image->magick,image_info->magick,MagickPathExtent);
|
|
|
(void) CopyMagickString(image->filename,image_info->filename,
|
|
|
MagickPathExtent);
|
|
|
/*
|
|
|
Prepare drawing commands
|
|
|
*/
|
|
|
y=20;
|
|
|
draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
|
|
|
draw_info->font=AcquireString("");
|
|
|
(void) ImageToFile(image,draw_info->font,exception);
|
|
|
ConcatenateString(&draw_info->primitive,"push graphic-context\n");
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent,
|
|
|
" viewbox 0 0 %.20g %.20g\n",(double) image->columns,(double) image->rows);
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
ConcatenateString(&draw_info->primitive," font-size 18\n");
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent," text 10,%.20g '",
|
|
|
(double) y);
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
text=EscapeString(Text,'"');
|
|
|
ConcatenateString(&draw_info->primitive,text);
|
|
|
text=DestroyString(text);
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent,"'\n");
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
y+=20*(ssize_t) MultilineCensus((char *) Text)+20;
|
|
|
for (i=12; i <= 72; i+=6)
|
|
|
{
|
|
|
y+=i+12;
|
|
|
ConcatenateString(&draw_info->primitive," font-size 18\n");
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent,
|
|
|
" text 10,%.20g '%.20g'\n",(double) y,(double) i);
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent," font-size %.20g\n",
|
|
|
(double) i);
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
(void) FormatLocaleString(buffer,MagickPathExtent," text 50,%.20g "
|
|
|
"'That which does not destroy me, only makes me stronger.'\n",(double) y);
|
|
|
ConcatenateString(&draw_info->primitive,buffer);
|
|
|
if (i >= 24)
|
|
|
i+=6;
|
|
|
}
|
|
|
ConcatenateString(&draw_info->primitive,"pop graphic-context");
|
|
|
(void) DrawImage(image,draw_info,exception);
|
|
|
/*
|
|
|
Relinquish resources.
|
|
|
*/
|
|
|
(void) RelinquishUniqueFileResource(draw_info->font);
|
|
|
draw_info=DestroyDrawInfo(draw_info);
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
#endif /* MAGICKCORE_FREETYPE_DELEGATE */
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r T T F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterTTFImage() adds attributes for the TTF 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 RegisterTTFImage method is:
|
|
|
%
|
|
|
% size_t RegisterTTFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterTTFImage(void)
|
|
|
{
|
|
|
char
|
|
|
version[MagickPathExtent];
|
|
|
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
*version='\0';
|
|
|
#if defined(FREETYPE_MAJOR) && defined(FREETYPE_MINOR) && defined(FREETYPE_PATCH)
|
|
|
(void) FormatLocaleString(version,MagickPathExtent,"Freetype %d.%d.%d",
|
|
|
FREETYPE_MAJOR,FREETYPE_MINOR,FREETYPE_PATCH);
|
|
|
#endif
|
|
|
entry=AcquireMagickInfo("TTF","DFONT","Multi-face font package");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsTTF;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("TTF","PFA","Postscript Type 1 font (ASCII)");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsPFA;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("TTF","PFB","Postscript Type 1 font (binary)");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsPFA;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("TTF","OTF","Open Type font");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsTTF;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("TTF","TTC","TrueType font collection");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsTTF;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
entry=AcquireMagickInfo("TTF","TTF","TrueType font");
|
|
|
#if defined(MAGICKCORE_FREETYPE_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadTTFImage;
|
|
|
#endif
|
|
|
entry->magick=(IsImageFormatHandler *) IsTTF;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r T T F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterTTFImage() removes format registrations made by the
|
|
|
% TTF module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterTTFImage method is:
|
|
|
%
|
|
|
% UnregisterTTFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterTTFImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("TTF");
|
|
|
(void) UnregisterMagickInfo("TTC");
|
|
|
(void) UnregisterMagickInfo("OTF");
|
|
|
(void) UnregisterMagickInfo("PFA");
|
|
|
(void) UnregisterMagickInfo("PFB");
|
|
|
(void) UnregisterMagickInfo("PFA");
|
|
|
(void) UnregisterMagickInfo("DFONT");
|
|
|
}
|
