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Diffstat (limited to 'src/3rdparty/freetype/src/cff/cf2hints.h')
| -rw-r--r-- | src/3rdparty/freetype/src/cff/cf2hints.h | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/src/3rdparty/freetype/src/cff/cf2hints.h b/src/3rdparty/freetype/src/cff/cf2hints.h deleted file mode 100644 index f25d91bf89..0000000000 --- a/src/3rdparty/freetype/src/cff/cf2hints.h +++ /dev/null @@ -1,289 +0,0 @@ -/***************************************************************************/ -/* */ -/* cf2hints.h */ -/* */ -/* Adobe's code for handling CFF hints (body). */ -/* */ -/* 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 __CF2HINTS_H__ -#define __CF2HINTS_H__ - - -FT_BEGIN_HEADER - - - enum - { - CF2_MAX_HINTS = 96 /* maximum # of hints */ - }; - - - /* - * A HintMask object stores a bit mask that specifies which hints in the - * charstring are active at a given time. Hints in CFF must be declared - * at the start, before any drawing operators, with horizontal hints - * preceding vertical hints. The HintMask is ordered the same way, with - * horizontal hints immediately followed by vertical hints. Clients are - * responsible for knowing how many of each type are present. - * - * The maximum total number of hints is 96, as specified by the CFF - * specification. - * - * A HintMask is built 0 or more times while interpreting a charstring, by - * the HintMask operator. There is only one HintMask, but it is built or - * rebuilt each time there is a hint substitution (HintMask operator) in - * the charstring. A default HintMask with all bits set is built if there - * has been no HintMask operator prior to the first drawing operator. - * - */ - - typedef struct CF2_HintMaskRec_ - { - FT_Error* error; - - FT_Bool isValid; - FT_Bool isNew; - - size_t bitCount; - size_t byteCount; - - FT_Byte mask[( CF2_MAX_HINTS + 7 ) / 8]; - - } CF2_HintMaskRec, *CF2_HintMask; - - - typedef struct CF2_StemHintRec_ - { - FT_Bool used; /* DS positions are valid */ - - CF2_Fixed min; /* original character space value */ - CF2_Fixed max; - - CF2_Fixed minDS; /* DS position after first use */ - CF2_Fixed maxDS; - - } CF2_StemHintRec, *CF2_StemHint; - - - /* - * A HintMap object stores a piecewise linear function for mapping - * y-coordinates from character space to device space, providing - * appropriate pixel alignment to stem edges. - * - * The map is implemented as an array of `CF2_Hint' elements, each - * representing an edge. When edges are paired, as from stem hints, the - * bottom edge must immediately precede the top edge in the array. - * Element character space AND device space positions must both increase - * monotonically in the array. `CF2_Hint' elements are also used as - * parameters to `cf2_blues_capture'. - * - * The `cf2_hintmap_build' method must be called before any drawing - * operation (beginning with a Move operator) and at each hint - * substitution (HintMask operator). - * - * The `cf2_hintmap_map' method is called to transform y-coordinates at - * each drawing operation (move, line, curve). - * - */ - - /* TODO: make this a CF2_ArrStack and add a deep copy method */ - enum - { - CF2_MAX_HINT_EDGES = CF2_MAX_HINTS * 2 - }; - - - typedef struct CF2_HintMapRec_ - { - CF2_Font font; - - /* initial map based on blue zones */ - struct CF2_HintMapRec_* initialHintMap; - - /* working storage for 2nd pass adjustHints */ - CF2_ArrStack hintMoves; - - FT_Bool isValid; - FT_Bool hinted; - - CF2_Fixed scale; - CF2_UInt count; - - /* start search from this index */ - CF2_UInt lastIndex; - - CF2_HintRec edge[CF2_MAX_HINT_EDGES]; /* 192 */ - - } CF2_HintMapRec, *CF2_HintMap; - - - FT_LOCAL( FT_Bool ) - cf2_hint_isValid( const CF2_Hint hint ); - FT_LOCAL( FT_Bool ) - cf2_hint_isTop( const CF2_Hint hint ); - FT_LOCAL( FT_Bool ) - cf2_hint_isBottom( const CF2_Hint hint ); - FT_LOCAL( void ) - cf2_hint_lock( CF2_Hint hint ); - - - FT_LOCAL( void ) - cf2_hintmap_init( CF2_HintMap hintmap, - CF2_Font font, - CF2_HintMap initialMap, - CF2_ArrStack hintMoves, - CF2_Fixed scale ); - FT_LOCAL( void ) - cf2_hintmap_build( CF2_HintMap hintmap, - CF2_ArrStack hStemHintArray, - CF2_ArrStack vStemHintArray, - CF2_HintMask hintMask, - CF2_Fixed hintOrigin, - FT_Bool initialMap ); - - - /* - * GlyphPath is a wrapper for drawing operations that scales the - * coordinates according to the render matrix and HintMap. It also tracks - * open paths to control ClosePath and to insert MoveTo for broken fonts. - * - */ - typedef struct CF2_GlyphPathRec_ - { - /* TODO: gather some of these into a hinting context */ - - CF2_Font font; /* font instance */ - CF2_OutlineCallbacks callbacks; /* outline consumer */ - - - CF2_HintMapRec hintMap; /* current hint map */ - CF2_HintMapRec firstHintMap; /* saved copy */ - CF2_HintMapRec initialHintMap; /* based on all captured hints */ - - CF2_ArrStackRec hintMoves; /* list of hint moves for 2nd pass */ - - CF2_Fixed scaleX; /* matrix a */ - CF2_Fixed scaleC; /* matrix c */ - CF2_Fixed scaleY; /* matrix d */ - - FT_Vector fractionalTranslation; /* including deviceXScale */ -#if 0 - CF2_Fixed hShift; /* character space horizontal shift */ - /* (for fauxing) */ -#endif - - FT_Bool pathIsOpen; /* true after MoveTo */ - FT_Bool pathIsClosing; /* true when synthesizing closepath line */ - FT_Bool darken; /* true if stem darkening */ - FT_Bool moveIsPending; /* true between MoveTo and offset MoveTo */ - - /* references used to call `cf2_hintmap_build', if necessary */ - CF2_ArrStack hStemHintArray; - CF2_ArrStack vStemHintArray; - CF2_HintMask hintMask; /* ptr to the current mask */ - CF2_Fixed hintOriginY; /* copy of current origin */ - const CF2_BluesRec* blues; - - CF2_Fixed xOffset; /* character space offsets */ - CF2_Fixed yOffset; - - /* character space miter limit threshold */ - CF2_Fixed miterLimit; - /* vertical/horzizontal snap distance in character space */ - CF2_Fixed snapThreshold; - - FT_Vector offsetStart0; /* first and second points of first */ - FT_Vector offsetStart1; /* element with offset applied */ - - /* current point, character space, before offset */ - FT_Vector currentCS; - /* current point, device space */ - FT_Vector currentDS; - /* start point of subpath, character space */ - FT_Vector start; - - /* the following members constitute the `queue' of one element */ - FT_Bool elemIsQueued; - CF2_Int prevElemOp; - - FT_Vector prevElemP0; - FT_Vector prevElemP1; - FT_Vector prevElemP2; - FT_Vector prevElemP3; - - } CF2_GlyphPathRec, *CF2_GlyphPath; - - - FT_LOCAL( void ) - cf2_glyphpath_init( CF2_GlyphPath glyphpath, - CF2_Font font, - CF2_OutlineCallbacks callbacks, - CF2_Fixed scaleY, - /* CF2_Fixed hShift, */ - CF2_ArrStack hStemHintArray, - CF2_ArrStack vStemHintArray, - CF2_HintMask hintMask, - CF2_Fixed hintOrigin, - const CF2_Blues blues, - const FT_Vector* fractionalTranslation ); - FT_LOCAL( void ) - cf2_glyphpath_finalize( CF2_GlyphPath glyphpath ); - - FT_LOCAL( void ) - cf2_glyphpath_moveTo( CF2_GlyphPath glyphpath, - CF2_Fixed x, - CF2_Fixed y ); - FT_LOCAL( void ) - cf2_glyphpath_lineTo( CF2_GlyphPath glyphpath, - CF2_Fixed x, - CF2_Fixed y ); - FT_LOCAL( void ) - cf2_glyphpath_curveTo( CF2_GlyphPath glyphpath, - CF2_Fixed x1, - CF2_Fixed y1, - CF2_Fixed x2, - CF2_Fixed y2, - CF2_Fixed x3, - CF2_Fixed y3 ); - FT_LOCAL( void ) - cf2_glyphpath_closeOpenPath( CF2_GlyphPath glyphpath ); - - -FT_END_HEADER - - -#endif /* __CF2HINTS_H__ */ - - -/* END */ |