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Diffstat (limited to 'nx-X11/extras/freetype2/src/autohint/ahtypes.h')
-rw-r--r-- | nx-X11/extras/freetype2/src/autohint/ahtypes.h | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/nx-X11/extras/freetype2/src/autohint/ahtypes.h b/nx-X11/extras/freetype2/src/autohint/ahtypes.h deleted file mode 100644 index f2cedd288..000000000 --- a/nx-X11/extras/freetype2/src/autohint/ahtypes.h +++ /dev/null @@ -1,527 +0,0 @@ -/***************************************************************************/ -/* */ -/* ahtypes.h */ -/* */ -/* General types and definitions for the auto-hint module */ -/* (specification only). */ -/* */ -/* Copyright 2000-2001, 2002, 2003, 2004 Catharon Productions Inc. */ -/* Author: David Turner */ -/* */ -/* This file is part of the Catharon Typography Project and shall only */ -/* be used, modified, and distributed under the terms of the Catharon */ -/* Open Source License that should come with this file under the name */ -/* `CatharonLicense.txt'. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/* Note that this license is compatible with the FreeType license. */ -/* */ -/***************************************************************************/ - - -#ifndef __AHTYPES_H__ -#define __AHTYPES_H__ - - -#include <ft2build.h> -#include FT_INTERNAL_OBJECTS_H - -#ifdef DEBUG_HINTER -#include <../src/autohint/ahloader.h> -#else -#include "ahloader.h" -#endif - - -#define xxAH_DEBUG - - -#ifdef AH_DEBUG - -#include <stdio.h> -#define AH_LOG( x ) printf ## x - -#else - -#define AH_LOG( x ) do ; while ( 0 ) /* nothing */ - -#endif /* AH_DEBUG */ - - -FT_BEGIN_HEADER - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** COMPILE-TIME BUILD OPTIONS ****/ - /**** ****/ - /**** Toggle these configuration macros to experiment with `features' ****/ - /**** of the auto-hinter. ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - - /*************************************************************************/ - /* */ - /* If this option is defined, only strong interpolation will be used to */ - /* place the points between edges. Otherwise, `smooth' points are */ - /* detected and later hinted through weak interpolation to correct some */ - /* unpleasant artefacts. */ - /* */ -#undef AH_OPTION_NO_WEAK_INTERPOLATION - - - /*************************************************************************/ - /* */ - /* Undefine this macro if you don't want to hint the metrics. There is */ - /* no reason to do this (at least for non-CJK scripts), except for */ - /* experimentation. */ - /* */ -#undef AH_HINT_METRICS - - - /*************************************************************************/ - /* */ - /* Define this macro if you do not want to insert extra edges at a */ - /* glyph's x and y extremum (if there isn't one already available). */ - /* This helps to reduce a number of artefacts and allows hinting of */ - /* metrics. */ - /* */ -#undef AH_OPTION_NO_EXTREMUM_EDGES - - - /* don't touch for now */ -#define AH_MAX_WIDTHS 12 -#define AH_MAX_HEIGHTS 12 - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** TYPE DEFINITIONS ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - - /* see ahangles.h */ - typedef FT_Int AH_Angle; - - - /* hint flags */ -#define AH_FLAG_NONE 0 - - /* bezier control points flags */ -#define AH_FLAG_CONIC 1 -#define AH_FLAG_CUBIC 2 -#define AH_FLAG_CONTROL ( AH_FLAG_CONIC | AH_FLAG_CUBIC ) - - /* extrema flags */ -#define AH_FLAG_EXTREMA_X 4 -#define AH_FLAG_EXTREMA_Y 8 - - /* roundness */ -#define AH_FLAG_ROUND_X 16 -#define AH_FLAG_ROUND_Y 32 - - /* touched */ -#define AH_FLAG_TOUCH_X 64 -#define AH_FLAG_TOUCH_Y 128 - - /* weak interpolation */ -#define AH_FLAG_WEAK_INTERPOLATION 256 -#define AH_FLAG_INFLECTION 512 - - typedef FT_Int AH_Flags; - - - /* edge hint flags */ -#define AH_EDGE_NORMAL 0 -#define AH_EDGE_ROUND 1 -#define AH_EDGE_SERIF 2 -#define AH_EDGE_DONE 4 - - typedef FT_Int AH_Edge_Flags; - - - /* hint directions -- the values are computed so that two vectors are */ - /* in opposite directions iff `dir1+dir2 == 0' */ -#define AH_DIR_NONE 4 -#define AH_DIR_RIGHT 1 -#define AH_DIR_LEFT -1 -#define AH_DIR_UP 2 -#define AH_DIR_DOWN -2 - - typedef FT_Int AH_Direction; - - - typedef struct AH_PointRec_* AH_Point; - typedef struct AH_SegmentRec_* AH_Segment; - typedef struct AH_EdgeRec_* AH_Edge; - - - /*************************************************************************/ - /* */ - /* <Struct> */ - /* AH_PointRec */ - /* */ - /* <Description> */ - /* A structure used to model an outline point to the AH_OutlineRec */ - /* type. */ - /* */ - /* <Fields> */ - /* flags :: The current point hint flags. */ - /* */ - /* ox, oy :: The current original scaled coordinates. */ - /* */ - /* fx, fy :: The current coordinates in font units. */ - /* */ - /* x, y :: The current hinted coordinates. */ - /* */ - /* u, v :: Point coordinates -- meaning varies with context. */ - /* */ - /* in_dir :: The direction of the inwards vector (prev->point). */ - /* */ - /* out_dir :: The direction of the outwards vector (point->next). */ - /* */ - /* next :: The next point in same contour. */ - /* */ - /* prev :: The previous point in same contour. */ - /* */ - typedef struct AH_PointRec_ - { - AH_Flags flags; /* point flags used by hinter */ - FT_Pos ox, oy; - FT_Pos fx, fy; - FT_Pos x, y; - FT_Pos u, v; - - AH_Direction in_dir; /* direction of inwards vector */ - AH_Direction out_dir; /* direction of outwards vector */ - - AH_Point next; /* next point in contour */ - AH_Point prev; /* previous point in contour */ - - } AH_PointRec; - - - /*************************************************************************/ - /* */ - /* <Struct> */ - /* AH_SegmentRec */ - /* */ - /* <Description> */ - /* A structure used to describe an edge segment to the auto-hinter. */ - /* A segment is simply a sequence of successive points located on the */ - /* same horizontal or vertical `position', in a given direction. */ - /* */ - /* <Fields> */ - /* flags :: The segment edge flags (straight, rounded, etc.). */ - /* */ - /* dir :: The segment direction. */ - /* */ - /* min_coord :: The minimum coordinate of the segment. */ - /* */ - /* max_coord :: The maximum coordinate of the segment. */ - /* */ - /* edge :: The edge of the current segment. */ - /* */ - /* edge_next :: The next segment on the same edge. */ - /* */ - /* link :: The pairing segment for this edge. */ - /* */ - /* serif :: The primary segment for serifs. */ - /* */ - /* num_linked :: The number of other segments that link to this one. */ - /* */ - /* score :: Used to score the segment when selecting them. */ - /* */ - /* first :: The first point in the segment. */ - /* */ - /* last :: The last point in the segment. */ - /* */ - /* contour :: A pointer to the first point of the segment's */ - /* contour. */ - /* */ - typedef struct AH_SegmentRec_ - { - AH_Edge_Flags flags; - AH_Direction dir; - FT_Pos pos; /* position of segment */ - FT_Pos min_coord; /* minimum coordinate of segment */ - FT_Pos max_coord; /* maximum coordinate of segment */ - - AH_Edge edge; - AH_Segment edge_next; - - AH_Segment link; /* link segment */ - AH_Segment serif; /* primary segment for serifs */ - FT_Pos num_linked; /* number of linked segments */ - FT_Pos score; - - AH_Point first; /* first point in edge segment */ - AH_Point last; /* last point in edge segment */ - AH_Point* contour; /* ptr to first point of segment's contour */ - - } AH_SegmentRec; - - - /*************************************************************************/ - /* */ - /* <Struct> */ - /* AH_EdgeRec */ - /* */ - /* <Description> */ - /* A structure used to describe an edge, which really is a horizontal */ - /* or vertical coordinate to be hinted depending on the segments */ - /* located on it. */ - /* */ - /* <Fields> */ - /* fpos :: The original edge position in font units. */ - /* */ - /* opos :: The original scaled edge position. */ - /* */ - /* pos :: The hinted edge position. */ - /* */ - /* flags :: The segment edge flags (straight, rounded, etc.). */ - /* */ - /* dir :: The main segment direction on this edge. */ - /* */ - /* scale :: Scaling factor between original and hinted edge */ - /* positions. */ - /* */ - /* blue_edge :: Indicate the blue zone edge this edge is related to. */ - /* Only set for some of the horizontal edges in a latin */ - /* font. */ - /* */ - /* link :: The linked edge. */ - /* */ - /* serif :: The serif edge. */ - /* */ - /* num_linked :: The number of other edges that pair to this one. */ - /* */ - /* score :: Used to score the edge when selecting them. */ - /* */ - /* first :: The first edge segment. */ - /* */ - /* last :: The last edge segment. */ - /* */ - typedef struct AH_EdgeRec_ - { - FT_Pos fpos; - FT_Pos opos; - FT_Pos pos; - - AH_Edge_Flags flags; - AH_Direction dir; - FT_Fixed scale; - FT_Pos* blue_edge; - - AH_Edge link; - AH_Edge serif; - FT_Int num_linked; - - FT_Int score; - - AH_Segment first; - AH_Segment last; - - - } AH_EdgeRec; - - - /* an outline as seen by the hinter */ - typedef struct AH_OutlineRec_ - { - FT_Memory memory; - - AH_Direction vert_major_dir; /* vertical major direction */ - AH_Direction horz_major_dir; /* horizontal major direction */ - - FT_Fixed x_scale; - FT_Fixed y_scale; - FT_Pos edge_distance_threshold; - - FT_Int max_points; - FT_Int num_points; - AH_Point points; - - FT_Int max_contours; - FT_Int num_contours; - AH_Point* contours; - - FT_Int num_hedges; - AH_Edge horz_edges; - - FT_Int num_vedges; - AH_Edge vert_edges; - - FT_Int num_hsegments; - AH_Segment horz_segments; - - FT_Int num_vsegments; - AH_Segment vert_segments; - - } AH_OutlineRec, *AH_Outline; - - -#ifdef FT_CONFIG_CHESTER_SMALL_F - -#define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */ -#define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */ -#define AH_BLUE_SMALL_F_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1 ) /* fijkdbh */ -#define AH_BLUE_SMALL_TOP ( AH_BLUE_SMALL_F_TOP + 1 ) /* xzroesc */ -#define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */ -#define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */ -#define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 ) - -#else /* !FT_CONFIG_CHESTER_SMALL_F */ - -#define AH_BLUE_CAPITAL_TOP 0 /* THEZOCQS */ -#define AH_BLUE_CAPITAL_BOTTOM ( AH_BLUE_CAPITAL_TOP + 1 ) /* HEZLOCUS */ -#define AH_BLUE_SMALL_TOP ( AH_BLUE_CAPITAL_BOTTOM + 1 ) /* xzroesc */ -#define AH_BLUE_SMALL_BOTTOM ( AH_BLUE_SMALL_TOP + 1 ) /* xzroesc */ -#define AH_BLUE_SMALL_MINOR ( AH_BLUE_SMALL_BOTTOM + 1 ) /* pqgjy */ -#define AH_BLUE_MAX ( AH_BLUE_SMALL_MINOR + 1 ) - -#endif /* !FT_CONFIG_CHESTER_SMALL_F */ - - typedef FT_Int AH_Blue; - - -#define AH_HINTER_MONOCHROME 1 -#define AH_HINTER_OPTIMIZE 2 - - typedef FT_Int AH_Hinter_Flags; - - - /*************************************************************************/ - /* */ - /* <Struct> */ - /* AH_GlobalsRec */ - /* */ - /* <Description> */ - /* Holds the global metrics for a given font face (be it in design */ - /* units or scaled pixel values). */ - /* */ - /* <Fields> */ - /* num_widths :: The number of widths. */ - /* */ - /* num_heights :: The number of heights. */ - /* */ - /* stds :: A two-element array giving the default stem width */ - /* and height. */ - /* */ - /* widths :: Snap widths, including standard one. */ - /* */ - /* heights :: Snap height, including standard one. */ - /* */ - /* blue_refs :: The reference positions of blue zones. */ - /* */ - /* blue_shoots :: The overshoot positions of blue zones. */ - /* */ - typedef struct AH_GlobalsRec_ - { - FT_Int num_widths; - FT_Int num_heights; - - FT_Pos stds[2]; - - FT_Pos widths [AH_MAX_WIDTHS]; - FT_Pos heights[AH_MAX_HEIGHTS]; - - FT_Pos blue_refs [AH_BLUE_MAX]; - FT_Pos blue_shoots[AH_BLUE_MAX]; - - } AH_GlobalsRec, *AH_Globals; - - - /*************************************************************************/ - /* */ - /* <Struct> */ - /* AH_Face_GlobalsRec */ - /* */ - /* <Description> */ - /* Holds the complete global metrics for a given font face (i.e., the */ - /* design units version + a scaled version + the current scales */ - /* used). */ - /* */ - /* <Fields> */ - /* face :: A handle to the source face object */ - /* */ - /* design :: The globals in font design units. */ - /* */ - /* scaled :: Scaled globals in sub-pixel values. */ - /* */ - /* x_scale :: The current horizontal scale. */ - /* */ - /* y_scale :: The current vertical scale. */ - /* */ - /* control_overshoot :: */ - /* Currently unused. */ - /* */ - typedef struct AH_Face_GlobalsRec_ - { - FT_Face face; - AH_GlobalsRec design; - AH_GlobalsRec scaled; - FT_Fixed x_scale; - FT_Fixed y_scale; - FT_Bool control_overshoot; - - } AH_Face_GlobalsRec, *AH_Face_Globals; - - - typedef struct AH_HinterRec_ - { - FT_Memory memory; - AH_Hinter_Flags flags; - - FT_Int algorithm; - FT_Face face; - - AH_Face_Globals globals; - - AH_Outline glyph; - - AH_Loader loader; - FT_Vector pp1; /* horizontal phantom points */ - FT_Vector pp2; - /* we ignore vertical phantom points */ - - FT_Bool transformed; - FT_Vector trans_delta; - FT_Matrix trans_matrix; - - FT_Bool do_horz_hints; /* disable X hinting */ - FT_Bool do_vert_hints; /* disable Y hinting */ - FT_Bool do_horz_snapping; /* disable X stem size snapping */ - FT_Bool do_vert_snapping; /* disable Y stem size snapping */ - FT_Bool do_stem_adjust; /* disable light stem snapping */ - - } AH_HinterRec, *AH_Hinter; - - -#ifdef DEBUG_HINTER - extern AH_Hinter ah_debug_hinter; - extern FT_Bool ah_debug_disable_horz; - extern FT_Bool ah_debug_disable_vert; -#else -#define ah_debug_disable_horz 0 -#define ah_debug_disable_vert 0 -#endif /* DEBUG_HINTER */ - - -FT_END_HEADER - -#endif /* __AHTYPES_H__ */ - - -/* END */ |