Edit
kc3-lang/freetype/src/type1z/z1gload.h
Werner Lemberg
- src/type1z/z1gload.h
-
/***************************************************************************/ /* */ /* z1gload.h */ /* */ /* Experimental Type 1 Glyph Loader (specification). */ /* */ /* Copyright 1996-2000 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #ifndef Z1GLOAD_H #define Z1GLOAD_H #ifdef FT_FLAT_COMPILE #include "z1objs.h" #else #include <type1z/z1objs.h> #endif #ifdef __cplusplus extern "C" { #endif /*************************************************************************/ /* */ /* <Structure> */ /* Z1_Builder */ /* */ /* <Description> */ /* A structure used during glyph loading to store its outline. */ /* */ /* <Fields> */ /* memory :: The current memory object. */ /* */ /* face :: The current face object. */ /* */ /* glyph :: The current glyph slot. */ /* */ /* loader :: The current glyph loader. */ /* */ /* current :: The current glyph outline. */ /* */ /* base :: The base glyph outline. */ /* */ /* last :: The last point position. */ /* */ /* scale_x :: The horizontal scale (FUnits to sub-pixels). */ /* */ /* scale_y :: The vertical scale (FUnits to sub-pixels). */ /* */ /* pos_x :: The horizontal translation (for composite glyphs). */ /* */ /* pos_y :: The vertical translation (for composite glyphs). */ /* */ /* left_bearing :: The left side bearing point. */ /* */ /* advance :: The horizontal advance vector. */ /* */ /* no_recurse :: */ /* */ /* bbox :: The glyph's bounding box. */ /* */ /* path_begun :: A flag which indicates that a new path has begun. */ /* */ /* load_points :: A flag which indicates, if not set, that no points */ /* are loaded. */ /* */ /* error :: The current error code. */ /* */ /* metrics_only :: A flag whether to compute metrics only. */ /* */ typedef struct Z1_Builder_ { FT_Memory memory; T1_Face face; Z1_GlyphSlot glyph; FT_GlyphLoader* loader; FT_Outline* current; /* the current glyph outline */ FT_Outline* base; /* the composite glyph outline */ FT_Vector last; FT_Fixed scale_x; FT_Fixed scale_y; FT_Pos pos_x; FT_Pos pos_y; FT_Vector left_bearing; FT_Vector advance; FT_BBox bbox; /* bounding box */ FT_Bool path_begun; FT_Bool load_points; FT_Bool no_recurse; FT_Error error; /* only used for memory errors */ FT_Bool metrics_only; } Z1_Builder; /* execution context charstring zone */ typedef struct Z1_Decoder_Zone_ { FT_Byte* base; FT_Byte* limit; FT_Byte* cursor; } Z1_Decoder_Zone; typedef struct Z1_Decoder_ { Z1_Builder builder; FT_Int stack[T1_MAX_CHARSTRINGS_OPERANDS]; FT_Int* top; Z1_Decoder_Zone zones[T1_MAX_SUBRS_CALLS + 1]; Z1_Decoder_Zone* zone; FT_Int flex_state; FT_Int num_flex_vectors; FT_Vector flex_vectors[7]; T1_Blend* blend; /* for multiple masters */ } Z1_Decoder; LOCAL_DEF void Z1_Init_Builder( Z1_Builder* builder, T1_Face face, Z1_Size size, Z1_GlyphSlot glyph ); LOCAL_DEF void Z1_Done_Builder( Z1_Builder* builder ); LOCAL_DEF void Z1_Init_Decoder( Z1_Decoder* decoder ); LOCAL_DEF FT_Error Z1_Compute_Max_Advance( T1_Face face, FT_Int* max_advance ); LOCAL_DEF FT_Error Z1_Parse_CharStrings( Z1_Decoder* decoder, FT_Byte* charstring_base, FT_Int charstring_len, FT_Int num_subrs, FT_Byte** subrs_base, FT_Int* subrs_len ); LOCAL_DEF FT_Error Z1_Load_Glyph( Z1_GlyphSlot glyph, Z1_Size size, FT_Int glyph_index, FT_Int load_flags ); #ifdef __cplusplus } #endif #endif /* Z1GLOAD_H */ /* END */