| /***************************************************************************/ |
| /* */ |
| /* 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 FT_SERVICE_CFF_TABLE_LOAD_H |
| |
| #include "psft.h" |
| #include "psblues.h" |
| |
| |
| FT_BEGIN_HEADER |
| |
| |
| #define CF2_OPERAND_STACK_SIZE 48 |
| #define CF2_MAX_SUBR 16 /* maximum subroutine nesting; */ |
| /* only 10 are allowed but there exist */ |
| /* fonts like `HiraKakuProN-W3.ttf' */ |
| /* (Hiragino Kaku Gothic ProN W3; */ |
| /* 8.2d6e1; 2014-12-19) that exceed */ |
| /* this limit */ |
| #define CF2_STORAGE_SIZE 32 |
| |
| |
| /* typedef is in `cf2glue.h' */ |
| struct CF2_FontRec_ |
| { |
| FT_Memory memory; |
| FT_Error error; /* shared error for this instance */ |
| |
| FT_Bool isCFF2; |
| 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 */ |
| |
| /* variation data */ |
| CFF_BlendRec blend; /* cached charstring blend vector */ |
| CF2_UInt vsindex; /* current vsindex */ |
| CF2_UInt lenNDV; /* current length NDV or zero */ |
| FT_Fixed* NDV; /* ptr to current NDV or NULL */ |
| |
| 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_Service_CFFLoad cffload; /* Pointer to cff functions */ |
| }; |
| |
| |
| 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 */ |