1 /***************************************************************************/ 2 /* */ 3 /* cf2font.h */ 4 /* */ 5 /* Adobe's code for font instances (specification). */ 6 /* */ 7 /* Copyright 2007-2013 Adobe Systems Incorporated. */ 8 /* */ 9 /* This software, and all works of authorship, whether in source or */ 10 /* object code form as indicated by the copyright notice(s) included */ 11 /* herein (collectively, the "Work") is made available, and may only be */ 12 /* used, modified, and distributed under the FreeType Project License, */ 13 /* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ 14 /* FreeType Project License, each contributor to the Work hereby grants */ 15 /* to any individual or legal entity exercising permissions granted by */ 16 /* the FreeType Project License and this section (hereafter, "You" or */ 17 /* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ 18 /* royalty-free, irrevocable (except as stated in this section) patent */ 19 /* license to make, have made, use, offer to sell, sell, import, and */ 20 /* otherwise transfer the Work, where such license applies only to those */ 21 /* patent claims licensable by such contributor that are necessarily */ 22 /* infringed by their contribution(s) alone or by combination of their */ 23 /* contribution(s) with the Work to which such contribution(s) was */ 24 /* submitted. If You institute patent litigation against any entity */ 25 /* (including a cross-claim or counterclaim in a lawsuit) alleging that */ 26 /* the Work or a contribution incorporated within the Work constitutes */ 27 /* direct or contributory patent infringement, then any patent licenses */ 28 /* granted to You under this License for that Work shall terminate as of */ 29 /* the date such litigation is filed. */ 30 /* */ 31 /* By using, modifying, or distributing the Work you indicate that you */ 32 /* have read and understood the terms and conditions of the */ 33 /* FreeType Project License as well as those provided in this section, */ 34 /* and you accept them fully. */ 35 /* */ 36 /***************************************************************************/ 37 38 39 #ifndef CF2FONT_H_ 40 #define CF2FONT_H_ 41 42 43 #include "cf2ft.h" 44 #include "cf2blues.h" 45 #include "cffload.h" 46 47 48 FT_BEGIN_HEADER 49 50 51 #define CF2_OPERAND_STACK_SIZE 48 52 #define CF2_MAX_SUBR 16 /* maximum subroutine nesting; */ 53 /* only 10 are allowed but there exist */ 54 /* fonts like `HiraKakuProN-W3.ttf' */ 55 /* (Hiragino Kaku Gothic ProN W3; */ 56 /* 8.2d6e1; 2014-12-19) that exceed */ 57 /* this limit */ 58 #define CF2_STORAGE_SIZE 32 59 60 61 /* typedef is in `cf2glue.h' */ 62 struct CF2_FontRec_ 63 { 64 FT_Memory memory; 65 FT_Error error; /* shared error for this instance */ 66 67 FT_Bool isCFF2; 68 CF2_RenderingFlags renderingFlags; 69 70 /* variables that depend on Transform: */ 71 /* the following have zero translation; */ 72 /* inner * outer = font * original */ 73 74 CF2_Matrix currentTransform; /* original client matrix */ 75 CF2_Matrix innerTransform; /* for hinting; erect, scaled */ 76 CF2_Matrix outerTransform; /* post hinting; includes rotations */ 77 CF2_Fixed ppem; /* transform-dependent */ 78 79 /* variation data */ 80 CFF_BlendRec blend; /* cached charstring blend vector */ 81 CF2_UInt vsindex; /* current vsindex */ 82 CF2_UInt lenNDV; /* current length NDV or zero */ 83 FT_Fixed* NDV; /* ptr to current NDV or NULL */ 84 85 CF2_Int unitsPerEm; 86 87 CF2_Fixed syntheticEmboldeningAmountX; /* character space units */ 88 CF2_Fixed syntheticEmboldeningAmountY; /* character space units */ 89 90 /* FreeType related members */ 91 CF2_OutlineRec outline; /* freetype glyph outline functions */ 92 CFF_Decoder* decoder; 93 CFF_SubFont lastSubfont; /* FreeType parsed data; */ 94 /* top font or subfont */ 95 96 /* these flags can vary from one call to the next */ 97 FT_Bool hinted; 98 FT_Bool darkened; /* true if stemDarkened or synthetic bold */ 99 /* i.e. darkenX != 0 || darkenY != 0 */ 100 FT_Bool stemDarkened; 101 102 FT_Int darkenParams[8]; /* 1000 unit character space */ 103 104 /* variables that depend on both FontDict and Transform */ 105 CF2_Fixed stdVW; /* in character space; depends on dict entry */ 106 CF2_Fixed stdHW; /* in character space; depends on dict entry */ 107 CF2_Fixed darkenX; /* character space units */ 108 CF2_Fixed darkenY; /* depends on transform */ 109 /* and private dict (StdVW) */ 110 FT_Bool reverseWinding; /* darken assuming */ 111 /* counterclockwise winding */ 112 113 CF2_BluesRec blues; /* computed zone data */ 114 }; 115 116 117 FT_LOCAL( FT_Error ) 118 cf2_getGlyphOutline( CF2_Font font, 119 CF2_Buffer charstring, 120 const CF2_Matrix* transform, 121 CF2_F16Dot16* glyphWidth ); 122 123 124 FT_END_HEADER 125 126 127 #endif /* CF2FONT_H_ */ 128 129 130 /* END */ 131
