adding BDF driver
This commit is contained in:
David Turner
parent
b89a42c6c5
commit
993a8d0445
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@ -92,6 +92,9 @@ FT_TRACE_DEF( winfnt )
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FT_TRACE_DEF( pcfdriver )
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FT_TRACE_DEF( pcfread )
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/* BDF fonts component */
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FT_TRACE_DEF( bdf )
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/* PFR fonts component */
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FT_TRACE_DEF( pfr )
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@ -17,6 +17,7 @@ HDRMACRO [ FT2_SubDir include internal internal.h ] ;
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SubInclude FT2_TOP src pshinter ;
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SubInclude FT2_TOP src autohint ;
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SubInclude FT2_TOP src base ;
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SubInclude FT2_TOP src bdf ;
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SubInclude FT2_TOP src cache ;
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SubInclude FT2_TOP src cff ;
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SubInclude FT2_TOP src cid ;
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@ -0,0 +1,33 @@
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/* bdf.c
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FreeType font driver for bdf files
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Copyright (C) 2001 by
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Francesco Zappa Nardelli
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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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 THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#define FT_MAKE_OPTION_SINGLE_OBJECT
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#include <ft2build.h>
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#include "bdflib.c"
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#include "bdfdriver.c"
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/* END */
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@ -0,0 +1,367 @@
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/*
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* Copyright 2000 Computing Research Labs, New Mexico State University
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* Copyright 2001 Francesco Zappa Nardelli
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*
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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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*
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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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*
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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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*/
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#ifndef __BDF_H__
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#define __BDF_H__
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/*
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* $Id$
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*/
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#include <string.h>
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#include <ft2build.h>
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#include FT_INTERNAL_OBJECTS_H
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#include FT_INTERNAL_STREAM_H
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FT_BEGIN_HEADER
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/* Imported from bdfP.h */
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#ifndef MYABS
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#define MYABS(xx) ((xx) < 0 ? -(xx) : (xx))
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#endif
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#define _bdf_glyph_modified(map, e) ((map)[(e) >> 5] & (1 << ((e) & 31)))
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#define _bdf_set_glyph_modified(map, e) (map)[(e) >> 5] |= (1 << ((e) & 31))
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#define _bdf_clear_glyph_modified(map, e) (map)[(e) >> 5] &= ~(1 << ((e) & 31))
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/* end of bdfP.h */
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/**************************************************************************
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*
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* BDF font options macros and types.
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*
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**************************************************************************/
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#define BDF_UNIX_EOL 1 /* Save fonts with Unix LF. */
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#define BDF_DOS_EOL 2 /* Save fonts with DOS CRLF. */
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#define BDF_MAC_EOL 3 /* Save fonts with Mac CR. */
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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|BDF_MONOWIDTH|BDF_CHARCELL)
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#define BDF_DEFAULT_LOAD_OPTIONS \
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(BDF_CORRECT_METRICS|BDF_KEEP_COMMENTS|BDF_KEEP_UNENCODED|BDF_PROPORTIONAL)
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typedef struct {
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int ttf_hint;
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int correct_metrics;
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int keep_unencoded;
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int keep_comments;
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int pad_cells;
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int font_spacing;
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long point_size;
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unsigned long resolution_x;
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unsigned long resolution_y;
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int bits_per_pixel;
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int eol;
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} bdf_options_t;
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/*
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* Callback function type for unknown configuration options.
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*/
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typedef int (*bdf_options_callback_t) (bdf_options_t *opts,
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char **params,
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unsigned long nparams,
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void *client_data);
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/**************************************************************************
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*
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* BDF font property macros and types.
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*
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**************************************************************************/
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#define BDF_ATOM 1
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#define BDF_INTEGER 2
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#define BDF_CARDINAL 3
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/*
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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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*/
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typedef struct {
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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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union {
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char *atom;
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long int32;
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unsigned long card32;
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} value; /* Value of the property. */
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} bdf_property_t;
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/**************************************************************************
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*
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* BDF font metric and glyph types.
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*
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**************************************************************************/
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/*
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* A general bitmap type, mostly used when the glyph bitmap is being edited.
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*/
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typedef struct {
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short x;
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short y;
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unsigned short width;
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unsigned short height;
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unsigned short bpp;
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unsigned short pad;
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unsigned char *bitmap;
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unsigned long bytes;
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} bdf_bitmap_t;
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typedef struct {
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int font_spacing;
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unsigned short swidth;
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unsigned short dwidth;
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unsigned short width;
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unsigned short height;
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short x_offset;
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short y_offset;
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short ascent;
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short descent;
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} bdf_metrics_t;
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typedef struct {
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unsigned short width;
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unsigned short height;
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short x_offset;
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short y_offset;
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short ascent;
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short descent;
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} bdf_bbx_t;
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typedef struct {
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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 short bytes; /* Number of bytes used for the bitmap. */
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} bdf_glyph_t;
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typedef struct {
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char *key;
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void *data;
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} _hashnode, *hashnode;
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typedef struct {
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int limit;
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int size;
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int used;
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hashnode *table;
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} hashtable;
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typedef struct {
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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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} bdf_glyphlist_t;
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typedef struct {
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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 hbf; /* Font came from an HBF font. */
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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_glyph; /* 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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long glyphs_size; /* Glyph structures allocated. */
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long glyphs_used; /* Glyph structures used. */
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bdf_glyph_t *glyphs; /* Glyphs themselves. */
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long unencoded_size; /* Unencoded glyph structures allocated. */
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long unencoded_used; /* Unencoded glyph structures 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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char *acmsgs; /* Auto-correction messages. */
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unsigned long acmsgs_len; /* Length of auto-correction messages. */
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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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unsigned long nmod[2048]; /* Bitmap indicating modified glyphs. */
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unsigned long umod[2048]; /* Bitmap indicating modified unencoded. */
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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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FT_Memory memory;
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bdf_property_t *user_props;
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unsigned long nuser_props;
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hashtable proptbl;
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} bdf_font_t;
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/**************************************************************************
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*
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* Types for load/save callbacks.
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*
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**************************************************************************/
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/*
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* Callback reasons.
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*/
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#define BDF_LOAD_START 1
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#define BDF_LOADING 2
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#define BDF_SAVE_START 3
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#define BDF_SAVING 4
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#define BDF_TRANSLATE_START 5
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#define BDF_TRANSLATING 6
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#define BDF_ROTATE_START 7
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#define BDF_ROTATING 8
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#define BDF_SHEAR_START 9
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#define BDF_SHEARING 10
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#define BDF_GLYPH_NAME_START 11
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#define BDF_GLYPH_NAME 12
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#define BDF_EXPORT_START 13
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#define BDF_EXPORTING 14
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#define BDF_EMBOLDEN_START 15
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#define BDF_EMBOLDENING 16
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#define BDF_WARNING 20
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#define BDF_ERROR 21
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/*
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* Error codes.
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*/
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#define BDF_OK 0
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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_FONTBBX -4
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#define BDF_MISSING_CHARS -5
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#define BDF_MISSING_STARTCHAR -6
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#define BDF_MISSING_ENCODING -7
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#define BDF_MISSING_BBX -8
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#define BDF_NOT_CONSOLE_FONT -10
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#define BDF_NOT_MF_FONT -11
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#define BDF_NOT_PSF_FONT -12
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#define BDF_OUT_OF_MEMORY -20
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#define BDF_EMPTY_FONT -99
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#define BDF_INVALID_LINE -100
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typedef struct {
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unsigned long reason;
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unsigned long current;
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unsigned long total;
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unsigned long errlineno;
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} bdf_callback_struct_t;
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typedef void (*bdf_callback_t) (bdf_callback_struct_t *call_data,
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void *client_data);
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/**************************************************************************
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*
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* BDF font API.
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*
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**************************************************************************/
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/*
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* Startup and shutdown functions are no more needed
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*/
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/*
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* Font options functions.
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*/
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/*extern void bdf_default_options (bdf_options_t *opts);*/
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/*
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* Font load, create, save and free functions.
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*/
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FT_LOCAL( bdf_font_t* ) bdf_load_font (FT_Stream stream, FT_Memory memory,
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bdf_options_t *opts,
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bdf_callback_t callback, void *data);
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FT_LOCAL( void ) bdf_free_font (bdf_font_t *font);
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/*
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* Font property functions.
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*/
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/* extern void bdf_create_property (char *name, int type, bdf_font_t *font); */
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FT_LOCAL( bdf_property_t* ) bdf_get_property (char *name, bdf_font_t *font);
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FT_LOCAL( unsigned long ) bdf_property_list (bdf_property_t **props);
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FT_LOCAL( void ) bdf_add_font_property (bdf_font_t *font,
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bdf_property_t *property);
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FT_LOCAL( void ) bdf_delete_font_property (bdf_font_t *font, char *name);
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FT_LOCAL( bdf_property_t* ) bdf_get_font_property (bdf_font_t *font,
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char *name);
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FT_LOCAL( unsigned long ) bdf_font_property_list (bdf_font_t *font,
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bdf_property_t **props);
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/*
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* Font comment functions.
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*/
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FT_LOCAL( int ) bdf_replace_comments (bdf_font_t *font, char *comments,
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unsigned long comments_len);
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/*
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* Other miscellaneous functions.
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*/
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FT_LOCAL( void ) bdf_set_default_metrics (bdf_font_t *font);
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/* */
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FT_END_HEADER
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#endif /* _h_bdf */
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@ -0,0 +1,463 @@
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/* bdfdriver.c
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FreeType font driver for bdf files
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Copyright (C) 2001-2002 by
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Francesco Zappa Nardelli
|
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|
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Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
*/
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#include <ft2build.h>
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#include FT_INTERNAL_DEBUG_H
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#include FT_INTERNAL_STREAM_H
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#include FT_INTERNAL_OBJECTS_H
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#include "bdf.h"
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#include "bdfdriver.h"
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#include "bdferror.h"
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_bdf
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FT_CALLBACK_DEF( FT_Error )
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BDF_Face_Done( BDF_Face face )
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{
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FT_Memory memory = FT_FACE_MEMORY( face );
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bdf_free_font(face->bdffont);
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FT_FREE( face->en_table );
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FT_FREE( face->charset_encoding);
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FT_FREE( face->charset_registry);
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FT_FREE( face->root.family_name );
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FT_FREE( face->root.available_sizes );
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FT_FREE( face->bdffont );
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FT_TRACE4(("bdf: done face\n"));
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return FT_Err_Ok;
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}
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FT_CALLBACK_DEF( FT_Error )
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BDF_Face_Init( FT_Stream stream,
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BDF_Face face,
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FT_Int face_index,
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FT_Int num_params,
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FT_Parameter* params )
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{
|
||||
FT_Error error = FT_Err_Ok;
|
||||
FT_Memory memory = FT_FACE_MEMORY( face );
|
||||
bdf_font_t* font;
|
||||
bdf_options_t options;
|
||||
|
||||
FT_UNUSED( num_params );
|
||||
FT_UNUSED( params );
|
||||
FT_UNUSED( face_index );
|
||||
|
||||
(void) FT_STREAM_SEEK( 0 );
|
||||
|
||||
options.correct_metrics = 1; /* FZ XXX : options semantics */
|
||||
options.keep_unencoded = 1;
|
||||
options.pad_cells = 1;
|
||||
|
||||
font = bdf_load_font( stream, memory, &options, 0, 0 );
|
||||
if ( font == NULL )
|
||||
{
|
||||
FT_TRACE2(("[not a valid BDF file]\n"));
|
||||
goto Fail;
|
||||
}
|
||||
|
||||
/* we have a bdf font: let's construct the face object */
|
||||
face->bdffont = font;
|
||||
{
|
||||
FT_Face root = FT_FACE( face );
|
||||
bdf_property_t* prop = NULL;
|
||||
|
||||
FT_TRACE4(("glyph %d - %d, unencoded %d %d\n",font->glyphs_size,
|
||||
font->glyphs_used, font->unencoded_size, font->unencoded_used));
|
||||
|
||||
|
||||
root->num_faces = 1;
|
||||
root->face_index = 0;
|
||||
root->face_flags = FT_FACE_FLAG_FIXED_SIZES |
|
||||
FT_FACE_FLAG_HORIZONTAL |
|
||||
FT_FACE_FLAG_FAST_GLYPHS ;
|
||||
|
||||
prop = bdf_get_font_property (font,"SPACING");
|
||||
|
||||
if ( prop && prop->format == BDF_ATOM )
|
||||
{
|
||||
if ( (*(prop->value.atom) == 'M') ||
|
||||
(*(prop->value.atom) == 'C') )
|
||||
{
|
||||
root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* FZ XXX : TO DO : FT_FACE_FLAGS_VERTICAL */
|
||||
/* FZ XXX : I need a font to implement this */
|
||||
|
||||
root->style_flags = 0;
|
||||
|
||||
prop = bdf_get_font_property (font,"SLANT");
|
||||
|
||||
if ( prop && prop->format == BDF_ATOM )
|
||||
{
|
||||
if ( (*(prop->value.atom) == 'O' ) ||
|
||||
(*(prop->value.atom) == 'I' ) )
|
||||
{
|
||||
root->style_flags |= FT_STYLE_FLAG_ITALIC;
|
||||
}
|
||||
}
|
||||
|
||||
prop = bdf_get_font_property (font,"WEIGHT_NAME");
|
||||
|
||||
if ( prop && prop->format == BDF_ATOM )
|
||||
{
|
||||
if ( *(prop->value.atom) == 'B' )
|
||||
root->style_flags |= FT_STYLE_FLAG_BOLD;
|
||||
}
|
||||
|
||||
|
||||
prop = bdf_get_font_property (font,"FAMILY_NAME");
|
||||
if (prop != NULL) {
|
||||
int l = strlen(prop->value.atom) + 1;
|
||||
if ( FT_ALLOC( root->family_name, l * sizeof(char)) )
|
||||
goto Fail;
|
||||
strcpy(root->family_name, prop->value.atom);
|
||||
} else root->family_name = 0;
|
||||
|
||||
root->style_name = (char *)"Regular";
|
||||
if ( root->style_flags & FT_STYLE_FLAG_BOLD )
|
||||
{
|
||||
if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
|
||||
root->style_name = (char *)"Bold Italic";
|
||||
else
|
||||
root->style_name = (char *)"Bold";
|
||||
}
|
||||
else if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
|
||||
root->style_name = (char *)"Italic";
|
||||
|
||||
root->num_glyphs = font->glyphs_size ; /* unencoded included */
|
||||
|
||||
root->num_fixed_sizes = 1;
|
||||
if ( FT_ALLOC_ARRAY( root->available_sizes, 1,
|
||||
FT_Bitmap_Size ) )
|
||||
goto Fail;
|
||||
|
||||
prop = bdf_get_font_property(font,"PIXEL_SIZE");
|
||||
if (prop != NULL) {
|
||||
bdf_property_t *xres = 0, *yres = 0;
|
||||
|
||||
xres = bdf_get_font_property(font,"RESOLUTION_X");
|
||||
yres = bdf_get_font_property(font,"RESOLUTION_Y");
|
||||
if ((xres != NULL) && (yres != NULL)) {
|
||||
FT_TRACE4(("prop %d %d %d\n",prop->value.int32, xres->value.int32,
|
||||
yres->value.int32));
|
||||
root->available_sizes->width =
|
||||
prop->value.int32 * 75 / xres->value.int32;
|
||||
root->available_sizes->height =
|
||||
prop->value.int32 * 75 / yres->value.int32;
|
||||
}
|
||||
} else {
|
||||
/* some fonts have broken SIZE declaration (jiskan24.bdf) */
|
||||
FT_ERROR(("BDF Warning: reading size\n"));
|
||||
root->available_sizes->width = font->point_size ;
|
||||
root->available_sizes->height = font->point_size ;
|
||||
}
|
||||
|
||||
/* encoding table */
|
||||
{
|
||||
bdf_glyph_t *cur = font->glyphs;
|
||||
int n;
|
||||
|
||||
if ( FT_ALLOC ( face->en_table ,
|
||||
font->glyphs_size * sizeof(BDF_encoding_el ) ) )
|
||||
goto Fail;
|
||||
|
||||
for (n = 0; n<font->glyphs_size ; n++) {
|
||||
(face->en_table[n]).enc = cur[n].encoding ;
|
||||
FT_TRACE4(("enc n: %d, val %ld\n",n,cur[n].encoding));
|
||||
(face->en_table[n]).glyph = n;
|
||||
}
|
||||
}
|
||||
|
||||
/* charmaps */
|
||||
{
|
||||
bdf_property_t *charset_registry = 0, *charset_encoding = 0;
|
||||
|
||||
charset_registry = bdf_get_font_property(font,"CHARSET_REGISTRY");
|
||||
charset_encoding = bdf_get_font_property(font,"CHARSET_ENCODING");
|
||||
if ((charset_registry != NULL) && (charset_encoding != NULL)) {
|
||||
if ((charset_registry->format == BDF_ATOM) &&
|
||||
(charset_encoding->format == BDF_ATOM)) {
|
||||
if (FT_ALLOC(face->charset_encoding,
|
||||
(strlen(charset_encoding->value.atom)+1) * sizeof(char)))
|
||||
goto Exit;
|
||||
if (FT_ALLOC(face->charset_registry,
|
||||
(strlen(charset_registry->value.atom)+1) * sizeof(char)))
|
||||
goto Exit;
|
||||
strcpy(face->charset_registry,charset_registry->value.atom);
|
||||
strcpy(face->charset_encoding,charset_encoding->value.atom);
|
||||
|
||||
face->charmap.encoding = ft_encoding_none;
|
||||
face->charmap.platform_id = 0;
|
||||
face->charmap.encoding_id = 0;
|
||||
face->charmap.face = root;
|
||||
face->charmap_handle = &face->charmap;
|
||||
root->charmap = face->charmap_handle;
|
||||
goto Exit;
|
||||
}
|
||||
}
|
||||
|
||||
/* otherwise assume adobe standard encoding */
|
||||
face->charmap.encoding = ft_encoding_adobe_standard;
|
||||
face->charmap.platform_id = 7; /* taken from t1objs.c */
|
||||
face->charmap.encoding_id = 0;
|
||||
face->charmap.face = root;
|
||||
face->charmap_handle = &face->charmap;
|
||||
root->charmap = face->charmap_handle;
|
||||
}
|
||||
}
|
||||
|
||||
Exit:
|
||||
return FT_Err_Ok;
|
||||
|
||||
Fail:
|
||||
BDF_Face_Done( face );
|
||||
return FT_Err_Unknown_File_Format;
|
||||
}
|
||||
|
||||
static
|
||||
FT_Error BDF_Set_Pixel_Size( FT_Size size )
|
||||
{
|
||||
BDF_Face face = (BDF_Face)FT_SIZE_FACE( size );
|
||||
FT_Face root = FT_FACE( face );
|
||||
|
||||
FT_TRACE4(("rec %d - pres %d\n",size->metrics.y_ppem,
|
||||
root->available_sizes->height));
|
||||
if (size->metrics.y_ppem == root->available_sizes->height) {
|
||||
|
||||
size->metrics.ascender = face->bdffont->bbx.ascent << 6;
|
||||
size->metrics.descender = face->bdffont->bbx.descent * (-64);
|
||||
size->metrics.height = face->bdffont->bbx.height <<6;
|
||||
|
||||
return FT_Err_Ok;
|
||||
}
|
||||
else {
|
||||
return FT_Err_Invalid_Pixel_Size;
|
||||
}
|
||||
}
|
||||
|
||||
static
|
||||
FT_Error BDF_Glyph_Load( FT_GlyphSlot slot,
|
||||
FT_Size size,
|
||||
FT_UInt glyph_index,
|
||||
FT_Int load_flags )
|
||||
{
|
||||
BDF_Face face = (BDF_Face)FT_SIZE_FACE( size );
|
||||
FT_Error error = FT_Err_Ok;
|
||||
FT_Bitmap *bitmap = &slot->bitmap;
|
||||
bdf_glyph_t glyph;
|
||||
int i;
|
||||
FT_Memory memory = face->bdffont->memory;
|
||||
|
||||
if (!face) {
|
||||
error = FT_Err_Invalid_Argument;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
/* slot, bitmap => freetype, glyph => bdflib */
|
||||
glyph = face->bdffont->glyphs[glyph_index];
|
||||
|
||||
bitmap->pitch = (glyph.bbx.width + 7) >> 3;
|
||||
bitmap->rows = glyph.bbx.height;
|
||||
bitmap->width = glyph.bbx.width;
|
||||
bitmap->num_grays = 1; /* unused */
|
||||
bitmap->pixel_mode = ft_pixel_mode_mono;
|
||||
|
||||
if ( FT_ALLOC ( bitmap->buffer , glyph.bytes) )
|
||||
return FT_Err_Out_Of_Memory;
|
||||
FT_MEM_SET( bitmap->buffer , 0 , glyph.bytes );
|
||||
for (i=0 ; i<glyph.bytes ; i++) {
|
||||
bitmap->buffer[i] = glyph.bitmap[i];
|
||||
}
|
||||
|
||||
slot->bitmap_left = 0;
|
||||
slot->bitmap_top = glyph.bbx.ascent ;
|
||||
|
||||
/* FZ TO DO : vertical metrics */
|
||||
slot->metrics.horiAdvance = glyph.dwidth << 6;
|
||||
slot->metrics.horiBearingX = glyph.bbx.x_offset << 6 ;
|
||||
slot->metrics.horiBearingY = glyph.bbx.y_offset << 6 ;
|
||||
slot->metrics.width = bitmap->width << 6 ;
|
||||
slot->metrics.height = bitmap->rows << 6;
|
||||
|
||||
slot->linearHoriAdvance = (FT_Fixed)glyph.dwidth << 16;
|
||||
slot->format = ft_glyph_format_bitmap;
|
||||
slot->flags = FT_GLYPH_OWN_BITMAP;
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
static
|
||||
FT_UInt BDF_Get_Char_Index( FT_CharMap charmap,
|
||||
FT_ULong char_code )
|
||||
{
|
||||
BDF_Face face = ((BDF_Face)charmap->face);
|
||||
BDF_encoding_el *en_table = face->en_table;
|
||||
int low, high, mid;
|
||||
|
||||
FT_TRACE4(("get_char_index %ld\n", char_code));
|
||||
|
||||
low = 0;
|
||||
high = face->bdffont->glyphs_used - 1;
|
||||
while (low <= high) {
|
||||
mid = (low+high) / 2;
|
||||
if (char_code < en_table[mid].enc)
|
||||
high = mid - 1;
|
||||
else if (char_code > en_table[mid].enc)
|
||||
low = mid + 1;
|
||||
else return en_table[mid].glyph;
|
||||
}
|
||||
|
||||
return face->bdffont->default_glyph;
|
||||
}
|
||||
|
||||
FT_CALLBACK_TABLE_DEF
|
||||
const FT_Driver_ClassRec bdf_driver_class =
|
||||
{
|
||||
{
|
||||
ft_module_font_driver,
|
||||
sizeof ( FT_DriverRec ),
|
||||
|
||||
"bdf",
|
||||
0x10000L,
|
||||
0x20000L,
|
||||
|
||||
0,
|
||||
|
||||
(FT_Module_Constructor)0,
|
||||
(FT_Module_Destructor) 0,
|
||||
(FT_Module_Requester) 0
|
||||
},
|
||||
|
||||
sizeof( BDF_FaceRec ),
|
||||
sizeof( FT_SizeRec ),
|
||||
sizeof( FT_GlyphSlotRec ),
|
||||
|
||||
(FT_Face_InitFunc) BDF_Face_Init,
|
||||
(FT_Face_DoneFunc) BDF_Face_Done,
|
||||
(FT_Size_InitFunc) 0,
|
||||
(FT_Size_DoneFunc) 0,
|
||||
(FT_Slot_InitFunc) 0,
|
||||
(FT_Slot_DoneFunc) 0,
|
||||
|
||||
(FT_Size_ResetPointsFunc) BDF_Set_Pixel_Size,
|
||||
(FT_Size_ResetPixelsFunc) BDF_Set_Pixel_Size,
|
||||
|
||||
(FT_Slot_LoadFunc) BDF_Glyph_Load,
|
||||
|
||||
#ifndef FT_CONFIG_OPTION_USE_CMAPS
|
||||
(FT_CharMap_CharIndexFunc)0,
|
||||
#else
|
||||
(FT_CharMap_CharIndexFunc)0,
|
||||
#endif
|
||||
|
||||
(FT_Face_GetKerningFunc) 0,
|
||||
(FT_Face_AttachFunc) 0,
|
||||
(FT_Face_GetAdvancesFunc) 0,
|
||||
|
||||
#ifndef FT_CONFIG_OPTION_USE_CMAPS
|
||||
(FT_CharMap_CharNextFunc) 0, /*PCF_Char_Get_Next,*/
|
||||
#else
|
||||
(FT_CharMap_CharNextFunc) 0
|
||||
#endif
|
||||
};
|
||||
|
||||
/*
|
||||
(FTDriver_initFace) BDF_Init_Face,
|
||||
(FTDriver_doneFace) BDF_Done_Face,
|
||||
(FTDriver_initSize) 0,
|
||||
(FTDriver_doneSize) 0,
|
||||
(FTDriver_initGlyphSlot)0,
|
||||
(FTDriver_doneGlyphSlot)0,
|
||||
|
||||
(FTDriver_setCharSizes) BDF_Set_Pixel_Size,
|
||||
(FTDriver_setPixelSizes)BDF_Set_Pixel_Size,
|
||||
|
||||
(FTDriver_loadGlyph) BDF_Load_Glyph,
|
||||
(FTDriver_getCharIndex) BDF_Get_Char_Index,
|
||||
|
||||
(FTDriver_getKerning) 0,
|
||||
(FTDriver_attachFile) 0,
|
||||
(FTDriver_getAdvances) 0
|
||||
*/
|
||||
|
||||
|
||||
|
||||
#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* <Function> */
|
||||
/* getDriverClass */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* This function is used when compiling the TrueType driver as a */
|
||||
/* shared library (`.DLL' or `.so'). It will be used by the */
|
||||
/* high-level library of FreeType to retrieve the address of the */
|
||||
/* driver's generic interface. */
|
||||
/* */
|
||||
/* It shouldn't be implemented in a static build, as each driver must */
|
||||
/* have the same function as an exported entry point. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* The address of the TrueType's driver generic interface. The */
|
||||
/* format-specific interface can then be retrieved through the method */
|
||||
/* interface->get_format_interface. */
|
||||
/* */
|
||||
FT_EXPORT_DEF( const FT_Driver_Class* )
|
||||
getDriverClass( void )
|
||||
{
|
||||
return &bdf_driver_class;
|
||||
}
|
||||
|
||||
|
||||
#endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */
|
||||
|
||||
|
||||
/* END */
|
||||
|
|
@ -0,0 +1,68 @@
|
|||
/* bdfdriver.h
|
||||
|
||||
FreeType font driver for bdf fonts
|
||||
|
||||
Copyright (C) 2001 by
|
||||
Francesco Zappa Nardelli
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __BDF_DRIVER_H__
|
||||
#define __BDF_DRIVER_H__
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_DRIVER_H
|
||||
|
||||
#include "bdf.h"
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
typedef struct {
|
||||
FT_Long enc;
|
||||
FT_Short glyph;
|
||||
} BDF_encoding_el;
|
||||
|
||||
typedef struct BDF_FaceRec_
|
||||
{
|
||||
FT_FaceRec root;
|
||||
|
||||
char *charset_encoding;
|
||||
char *charset_registry;
|
||||
|
||||
bdf_font_t *bdffont;
|
||||
|
||||
BDF_encoding_el *en_table;
|
||||
|
||||
FT_CharMap charmap_handle;
|
||||
FT_CharMapRec charmap; /* a single charmap per face */
|
||||
} BDF_FaceRec, *BDF_Face;
|
||||
|
||||
|
||||
FT_EXPORT_VAR( const FT_Driver_ClassRec ) bdf_driver_class;
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
|
||||
#endif /* __BDF_DRIVER_H__ */
|
||||
|
||||
|
||||
/* END */
|
||||
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
/*
|
||||
* Copyright 2001 Francesco Zappa Nardelli
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
|
||||
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
|
||||
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* This file is used to define the PCF error enumeration constants. */
|
||||
/* */
|
||||
/*************************************************************************/
|
||||
|
||||
#ifndef __BDFERROR_H__
|
||||
#define __BDFERROR_H__
|
||||
|
||||
#include FT_MODULE_ERRORS_H
|
||||
|
||||
#undef __FTERRORS_H__
|
||||
|
||||
#define FT_ERR_PREFIX BDF_Err_
|
||||
#define FT_ERR_BASE FT_Mod_Err_BDF
|
||||
|
||||
#include FT_ERRORS_H
|
||||
|
||||
#endif /* __PCFERROR_H__ */
|
||||
|
||||
|
||||
/* END */
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,31 @@
|
|||
#
|
||||
# FreeType 2 BDF module definition
|
||||
#
|
||||
|
||||
# Copyright 2001 by
|
||||
# Francesco Zappa Nardelli
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
|
||||
make_module_list: add_bdf_driver
|
||||
|
||||
add_bdf_driver:
|
||||
$(OPEN_DRIVER)bdf_driver_class$(CLOSE_DRIVER)
|
||||
$(ECHO_DRIVER)bdf $(ECHO_DRIVER_DESC)bdf bitmap fonts$(ECHO_DRIVER_DONE)
|
||||
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
#
|
||||
# FreeType 2 bdf driver configuration rules
|
||||
#
|
||||
|
||||
|
||||
# Copyright (C) 2001 by
|
||||
# Francesco Zappa Nardelli
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
|
||||
|
||||
|
||||
|
||||
# bdf driver directory
|
||||
#
|
||||
BDF_DIR := $(SRC_)bdf
|
||||
BDF_DIR_ := $(BDF_DIR)$(SEP)
|
||||
|
||||
|
||||
BDF_COMPILE := $(FT_COMPILE) $I$(BDF_DIR)
|
||||
|
||||
|
||||
# bdf driver sources (i.e., C files)
|
||||
#
|
||||
BDF_DRV_SRC := $(BDF_DIR_)bdflib.c $(BDF_DIR_)bdfdriver.c
|
||||
|
||||
|
||||
# bdf driver headers
|
||||
#
|
||||
#BDF_DRV_H := $(BDF_DRV_SRC:%.c=%.h)
|
||||
BDF_DRV_H := $(BDF_DIR_)bdf.h \
|
||||
$(BDF_DIR_)bdfdriver.h
|
||||
|
||||
# bdf driver object(s)
|
||||
#
|
||||
# BDF_DRV_OBJ_M is used during `multi' builds
|
||||
# BDF_DRV_OBJ_S is used during `single' builds
|
||||
#
|
||||
BDF_DRV_OBJ_M := $(BDF_DRV_SRC:$(BDF_DIR_)%.c=$(OBJ_)%.$O)
|
||||
BDF_DRV_OBJ_S := $(OBJ_)bdf.$O
|
||||
|
||||
# bdf driver source file for single build
|
||||
#
|
||||
BDF_DRV_SRC_S := $(BDF_DIR_)bdf.c
|
||||
|
||||
|
||||
# bdf driver - single object
|
||||
#
|
||||
$(BDF_DRV_OBJ_S): $(BDF_DRV_SRC_S) $(BDF_DRV_SRC) $(FREETYPE_H) $(BDF_DRV_H)
|
||||
$(BDF_COMPILE) $T$@ $(BDF_DRV_SRC_S)
|
||||
|
||||
|
||||
# bdf driver - multiple objects
|
||||
#
|
||||
$(OBJ_)%.$O: $(BDF_DIR_)%.c $(FREETYPE_H) $(BDF_DRV_H)
|
||||
$(BDF_COMPILE) $T$@ $<
|
||||
|
||||
|
||||
# update main driver object lists
|
||||
#
|
||||
DRV_OBJS_S += $(BDF_DRV_OBJ_S)
|
||||
DRV_OBJS_M += $(BDF_DRV_OBJ_M)
|
||||
|
||||
# EOF
|
||||
Loading…
Reference in New Issue