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* Copyright 2000 Computing Research Labs, New Mexico State University
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* Copyright 2001-2004, 2011 Francesco Zappa Nardelli
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
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* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* Based on bdf.h,v 1.16 2000/03/16 20:08:51 mleisher
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#include FT_INTERNAL_OBJECTS_H
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#include FT_INTERNAL_STREAM_H
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/* Imported from bdfP.h */
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#define _bdf_glyph_modified( map, e ) \
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( (map)[(e) >> 5] & ( 1 << ( (e) & 31 ) ) )
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#define _bdf_set_glyph_modified( map, e ) \
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( (map)[(e) >> 5] |= ( 1 << ( (e) & 31 ) ) )
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#define _bdf_clear_glyph_modified( map, e ) \
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( (map)[(e) >> 5] &= ~( 1 << ( (e) & 31 ) ) )
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/*************************************************************************/
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/* BDF font options macros and types. */
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/*************************************************************************/
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#define BDF_CORRECT_METRICS 0x01 /* Correct invalid metrics when loading. */
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#define BDF_KEEP_COMMENTS 0x02 /* Preserve the font comments. */
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#define BDF_KEEP_UNENCODED 0x04 /* Keep the unencoded glyphs. */
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#define BDF_PROPORTIONAL 0x08 /* Font has proportional spacing. */
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#define BDF_MONOWIDTH 0x10 /* Font has mono width. */
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#define BDF_CHARCELL 0x20 /* Font has charcell spacing. */
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#define BDF_ALL_SPACING ( BDF_PROPORTIONAL | \
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#define BDF_DEFAULT_LOAD_OPTIONS ( BDF_CORRECT_METRICS | \
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BDF_KEEP_UNENCODED | \
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typedef struct bdf_options_t_
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/* Callback function type for unknown configuration options. */
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(*bdf_options_callback_t)( bdf_options_t* opts,
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unsigned long nparams,
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/*************************************************************************/
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/* BDF font property macros and types. */
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/*************************************************************************/
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#define BDF_INTEGER 2
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#define BDF_CARDINAL 3
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/* This structure represents a particular property of a font. */
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/* There are a set of defaults and each font has their own. */
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typedef struct bdf_property_t_
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char* name; /* Name of the property. */
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int format; /* Format of the property. */
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int builtin; /* A builtin property. */
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} value; /* Value of the property. */
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/*************************************************************************/
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/* BDF font metric and glyph types. */
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/*************************************************************************/
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typedef struct bdf_bbx_t_
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unsigned short width;
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unsigned short height;
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typedef struct bdf_glyph_t_
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char* name; /* Glyph name. */
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long encoding; /* Glyph encoding. */
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unsigned short swidth; /* Scalable width. */
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unsigned short dwidth; /* Device width. */
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bdf_bbx_t bbx; /* Glyph bounding box. */
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unsigned char* bitmap; /* Glyph bitmap. */
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unsigned long bpr; /* Number of bytes used per row. */
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unsigned short bytes; /* Number of bytes used for the bitmap. */
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typedef struct _hashnode_
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} _hashnode, *hashnode;
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typedef struct hashtable_
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typedef struct bdf_glyphlist_t_
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unsigned short pad; /* Pad to 4-byte boundary. */
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unsigned short bpp; /* Bits per pixel. */
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long start; /* Beginning encoding value of glyphs. */
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long end; /* Ending encoding value of glyphs. */
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bdf_glyph_t* glyphs; /* Glyphs themselves. */
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unsigned long glyphs_size; /* Glyph structures allocated. */
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unsigned long glyphs_used; /* Glyph structures used. */
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bdf_bbx_t bbx; /* Overall bounding box of glyphs. */
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typedef struct bdf_font_t_
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char* name; /* Name of the font. */
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bdf_bbx_t bbx; /* Font bounding box. */
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long point_size; /* Point size of the font. */
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unsigned long resolution_x; /* Font horizontal resolution. */
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unsigned long resolution_y; /* Font vertical resolution. */
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int spacing; /* Font spacing value. */
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unsigned short monowidth; /* Logical width for monowidth font. */
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long default_char; /* Encoding of the default glyph. */
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long font_ascent; /* Font ascent. */
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long font_descent; /* Font descent. */
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unsigned long glyphs_size; /* Glyph structures allocated. */
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unsigned long glyphs_used; /* Glyph structures used. */
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bdf_glyph_t* glyphs; /* Glyphs themselves. */
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unsigned long unencoded_size; /* Unencoded glyph struct. allocated. */
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unsigned long unencoded_used; /* Unencoded glyph struct. used. */
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bdf_glyph_t* unencoded; /* Unencoded glyphs themselves. */
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unsigned long props_size; /* Font properties allocated. */
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unsigned long props_used; /* Font properties used. */
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bdf_property_t* props; /* Font properties themselves. */
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char* comments; /* Font comments. */
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unsigned long comments_len; /* Length of comment string. */
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bdf_glyphlist_t overflow; /* Storage used for glyph insertion. */
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void* internal; /* Internal data for the font. */
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/* The size of the next two arrays must be in sync with the */
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/* size of the `have' array in the `bdf_parse_t' structure. */
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unsigned long nmod[34816]; /* Bitmap indicating modified glyphs. */
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unsigned long umod[34816]; /* Bitmap indicating modified */
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/* unencoded glyphs. */
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unsigned short modified; /* Boolean indicating font modified. */
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unsigned short bpp; /* Bits per pixel. */
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bdf_property_t* user_props;
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unsigned long nuser_props;
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/*************************************************************************/
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/* Types for load/save callbacks. */
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/*************************************************************************/
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#define BDF_MISSING_START -1
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#define BDF_MISSING_FONTNAME -2
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#define BDF_MISSING_SIZE -3
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#define BDF_MISSING_CHARS -4
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#define BDF_MISSING_STARTCHAR -5
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#define BDF_MISSING_ENCODING -6
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#define BDF_MISSING_BBX -7
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#define BDF_OUT_OF_MEMORY -20
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#define BDF_INVALID_LINE -100
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/*************************************************************************/
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/*************************************************************************/
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bdf_load_font( FT_Stream stream,
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bdf_free_font( bdf_font_t* font );
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FT_LOCAL( bdf_property_t * )
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bdf_get_property( char* name,
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FT_LOCAL( bdf_property_t * )
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bdf_get_font_property( bdf_font_t* font,
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#endif /* __BDF_H__ */