89ca1fd6d7
* include/freetype/ftcffdrv.h: Document it. * src/cff/cffdrivr.c (cff_property_set, cff_property_get): Handle `darkening-parameters' property. * src/cff/cf2font.h (CF2_FontRec): Add `darkenParams' array. * src/cff/cf2font.c (cf2_computeDarkening): Add `darkenParams' argument and use it. Update all callers. * src/cff/cf2ft.c (cf2_decoder_parse_charstrings): Copy `darken_params' values. * src/cff/cffobjs.h (CFF_DriverRec): Add `darken_params' array. * src/cff/cffobjs.c (cff_driver_init): Set default values for `darken_params'.
117 lines
5.3 KiB
C
117 lines
5.3 KiB
C
/***************************************************************************/
|
|
/* */
|
|
/* cf2font.h */
|
|
/* */
|
|
/* Adobe's code for font instances (specification). */
|
|
/* */
|
|
/* Copyright 2007-2013 Adobe Systems Incorporated. */
|
|
/* */
|
|
/* This software, and all works of authorship, whether in source or */
|
|
/* object code form as indicated by the copyright notice(s) included */
|
|
/* herein (collectively, the "Work") is made available, and may only be */
|
|
/* used, modified, and distributed under the FreeType Project License, */
|
|
/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */
|
|
/* FreeType Project License, each contributor to the Work hereby grants */
|
|
/* to any individual or legal entity exercising permissions granted by */
|
|
/* the FreeType Project License and this section (hereafter, "You" or */
|
|
/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */
|
|
/* royalty-free, irrevocable (except as stated in this section) patent */
|
|
/* license to make, have made, use, offer to sell, sell, import, and */
|
|
/* otherwise transfer the Work, where such license applies only to those */
|
|
/* patent claims licensable by such contributor that are necessarily */
|
|
/* infringed by their contribution(s) alone or by combination of their */
|
|
/* contribution(s) with the Work to which such contribution(s) was */
|
|
/* submitted. If You institute patent litigation against any entity */
|
|
/* (including a cross-claim or counterclaim in a lawsuit) alleging that */
|
|
/* the Work or a contribution incorporated within the Work constitutes */
|
|
/* direct or contributory patent infringement, then any patent licenses */
|
|
/* granted to You under this License for that Work shall terminate as of */
|
|
/* the date such litigation is filed. */
|
|
/* */
|
|
/* By using, modifying, or distributing the Work you indicate that you */
|
|
/* have read and understood the terms and conditions of the */
|
|
/* FreeType Project License as well as those provided in this section, */
|
|
/* and you accept them fully. */
|
|
/* */
|
|
/***************************************************************************/
|
|
|
|
|
|
#ifndef __CF2FONT_H__
|
|
#define __CF2FONT_H__
|
|
|
|
|
|
#include "cf2ft.h"
|
|
#include "cf2blues.h"
|
|
|
|
|
|
FT_BEGIN_HEADER
|
|
|
|
|
|
#define CF2_OPERAND_STACK_SIZE 48
|
|
#define CF2_MAX_SUBR 10 /* maximum subroutine nesting */
|
|
|
|
|
|
/* typedef is in `cf2glue.h' */
|
|
struct CF2_FontRec_
|
|
{
|
|
FT_Memory memory;
|
|
FT_Error error; /* shared error for this instance */
|
|
|
|
CF2_RenderingFlags renderingFlags;
|
|
|
|
/* variables that depend on Transform: */
|
|
/* the following have zero translation; */
|
|
/* inner * outer = font * original */
|
|
|
|
CF2_Matrix currentTransform; /* original client matrix */
|
|
CF2_Matrix innerTransform; /* for hinting; erect, scaled */
|
|
CF2_Matrix outerTransform; /* post hinting; includes rotations */
|
|
CF2_Fixed ppem; /* transform-dependent */
|
|
|
|
CF2_Int unitsPerEm;
|
|
|
|
CF2_Fixed syntheticEmboldeningAmountX; /* character space units */
|
|
CF2_Fixed syntheticEmboldeningAmountY; /* character space units */
|
|
|
|
/* FreeType related members */
|
|
CF2_OutlineRec outline; /* freetype glyph outline functions */
|
|
CFF_Decoder* decoder;
|
|
CFF_SubFont lastSubfont; /* FreeType parsed data; */
|
|
/* top font or subfont */
|
|
|
|
/* these flags can vary from one call to the next */
|
|
FT_Bool hinted;
|
|
FT_Bool darkened; /* true if stemDarkened or synthetic bold */
|
|
/* i.e. darkenX != 0 || darkenY != 0 */
|
|
FT_Bool stemDarkened;
|
|
|
|
FT_Int darkenParams[8]; /* 1000 unit character space */
|
|
|
|
/* variables that depend on both FontDict and Transform */
|
|
CF2_Fixed stdVW; /* in character space; depends on dict entry */
|
|
CF2_Fixed stdHW; /* in character space; depends on dict entry */
|
|
CF2_Fixed darkenX; /* character space units */
|
|
CF2_Fixed darkenY; /* depends on transform */
|
|
/* and private dict (StdVW) */
|
|
FT_Bool reverseWinding; /* darken assuming */
|
|
/* counterclockwise winding */
|
|
|
|
CF2_BluesRec blues; /* computed zone data */
|
|
};
|
|
|
|
|
|
FT_LOCAL( FT_Error )
|
|
cf2_getGlyphOutline( CF2_Font font,
|
|
CF2_Buffer charstring,
|
|
const CF2_Matrix* transform,
|
|
CF2_F16Dot16* glyphWidth );
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
|
|
#endif /* __CF2FONT_H__ */
|
|
|
|
|
|
/* END */
|