| Index: third_party/freetype2/src/src/bdf/bdflib.c
|
| diff --git a/third_party/freetype2/src/src/bdf/bdflib.c b/third_party/freetype2/src/src/bdf/bdflib.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7b40f42ff77c882db48c85b02266655a3fc5bf9a
|
| --- /dev/null
|
| +++ b/third_party/freetype2/src/src/bdf/bdflib.c
|
| @@ -0,0 +1,2709 @@
|
| +/*
|
| + * Copyright 2000 Computing Research Labs, New Mexico State University
|
| + * Copyright 2001-2014
|
| + * 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 based on bdf.c,v 1.22 2000/03/16 20:08:50 */
|
| + /* */
|
| + /* taken from Mark Leisher's xmbdfed package */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| +
|
| +#include <ft2build.h>
|
| +
|
| +#include FT_FREETYPE_H
|
| +#include FT_INTERNAL_DEBUG_H
|
| +#include FT_INTERNAL_STREAM_H
|
| +#include FT_INTERNAL_OBJECTS_H
|
| +
|
| +#include "bdf.h"
|
| +#include "bdferror.h"
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
|
| + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
|
| + /* messages during execution. */
|
| + /* */
|
| +#undef FT_COMPONENT
|
| +#define FT_COMPONENT trace_bdflib
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* Default BDF font options. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| +
|
| + static const bdf_options_t _bdf_opts =
|
| + {
|
| + 1, /* Correct metrics. */
|
| + 1, /* Preserve unencoded glyphs. */
|
| + 0, /* Preserve comments. */
|
| + BDF_PROPORTIONAL /* Default spacing. */
|
| + };
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* Builtin BDF font properties. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| + /* List of most properties that might appear in a font. Doesn't include */
|
| + /* the RAW_* and AXIS_* properties in X11R6 polymorphic fonts. */
|
| +
|
| + static const bdf_property_t _bdf_properties[] =
|
| + {
|
| + { (char *)"ADD_STYLE_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"AVERAGE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"AVG_CAPITAL_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"AVG_LOWERCASE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"CAP_HEIGHT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"CHARSET_COLLECTIONS", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"CHARSET_ENCODING", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"CHARSET_REGISTRY", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"COMMENT", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"COPYRIGHT", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"DEFAULT_CHAR", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"DESTINATION", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"DEVICE_FONT_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"END_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"FACE_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"FAMILY_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"FIGURE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"FONT", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"FONTNAME_REGISTRY", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"FONT_ASCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"FONT_DESCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"FOUNDRY", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"FULL_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"ITALIC_ANGLE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"MAX_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"MIN_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"NORM_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"NOTICE", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"PIXEL_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"POINT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"QUAD_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_ASCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_AVERAGE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_AVG_CAPITAL_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_AVG_LOWERCASE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_CAP_HEIGHT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_DESCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_END_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_FIGURE_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_MAX_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_MIN_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_NORM_SPACE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_PIXEL_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_POINT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_PIXELSIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_POINTSIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_QUAD_WIDTH", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SMALL_CAP_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_STRIKEOUT_ASCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_STRIKEOUT_DESCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUBSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUBSCRIPT_X", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUBSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUPERSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUPERSCRIPT_X", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_SUPERSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_UNDERLINE_POSITION", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_UNDERLINE_THICKNESS", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RAW_X_HEIGHT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RELATIVE_SETWIDTH", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"RELATIVE_WEIGHT", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"RESOLUTION", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"RESOLUTION_X", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"RESOLUTION_Y", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"SETWIDTH_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"SLANT", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"SMALL_CAP_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SPACING", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"STRIKEOUT_ASCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"STRIKEOUT_DESCENT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUBSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUBSCRIPT_X", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUBSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUPERSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUPERSCRIPT_X", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"SUPERSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"UNDERLINE_POSITION", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"UNDERLINE_THICKNESS", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"WEIGHT", BDF_CARDINAL, 1, { 0 } },
|
| + { (char *)"WEIGHT_NAME", BDF_ATOM, 1, { 0 } },
|
| + { (char *)"X_HEIGHT", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"_MULE_BASELINE_OFFSET", BDF_INTEGER, 1, { 0 } },
|
| + { (char *)"_MULE_RELATIVE_COMPOSE", BDF_INTEGER, 1, { 0 } },
|
| + };
|
| +
|
| + static const unsigned long
|
| + _num_bdf_properties = sizeof ( _bdf_properties ) /
|
| + sizeof ( _bdf_properties[0] );
|
| +
|
| +
|
| + /* An auxiliary macro to parse properties, to be used in conditionals. */
|
| + /* It behaves like `strncmp' but also tests the following character */
|
| + /* whether it is a whitespace or NULL. */
|
| + /* `property' is a constant string of length `n' to compare with. */
|
| +#define _bdf_strncmp( name, property, n ) \
|
| + ( ft_strncmp( name, property, n ) || \
|
| + !( name[n] == ' ' || \
|
| + name[n] == '\0' || \
|
| + name[n] == '\n' || \
|
| + name[n] == '\r' || \
|
| + name[n] == '\t' ) )
|
| +
|
| + /* Auto correction messages. */
|
| +#define ACMSG1 "FONT_ASCENT property missing. " \
|
| + "Added `FONT_ASCENT %hd'.\n"
|
| +#define ACMSG2 "FONT_DESCENT property missing. " \
|
| + "Added `FONT_DESCENT %hd'.\n"
|
| +#define ACMSG3 "Font width != actual width. Old: %hd New: %hd.\n"
|
| +#define ACMSG4 "Font left bearing != actual left bearing. " \
|
| + "Old: %hd New: %hd.\n"
|
| +#define ACMSG5 "Font ascent != actual ascent. Old: %hd New: %hd.\n"
|
| +#define ACMSG6 "Font descent != actual descent. Old: %hd New: %hd.\n"
|
| +#define ACMSG7 "Font height != actual height. Old: %hd New: %hd.\n"
|
| +#define ACMSG8 "Glyph scalable width (SWIDTH) adjustments made.\n"
|
| +#define ACMSG9 "SWIDTH field missing at line %ld. Set automatically.\n"
|
| +#define ACMSG10 "DWIDTH field missing at line %ld. Set to glyph width.\n"
|
| +#define ACMSG11 "SIZE bits per pixel field adjusted to %hd.\n"
|
| +#define ACMSG12 "Duplicate encoding %ld (%s) changed to unencoded.\n"
|
| +#define ACMSG13 "Glyph %ld extra rows removed.\n"
|
| +#define ACMSG14 "Glyph %ld extra columns removed.\n"
|
| +#define ACMSG15 "Incorrect glyph count: %ld indicated but %ld found.\n"
|
| +#define ACMSG16 "Glyph %ld missing columns padded with zero bits.\n"
|
| +#define ACMSG17 "Adjusting number of glyphs to %ld.\n"
|
| +
|
| + /* Error messages. */
|
| +#define ERRMSG1 "[line %ld] Missing `%s' line.\n"
|
| +#define ERRMSG2 "[line %ld] Font header corrupted or missing fields.\n"
|
| +#define ERRMSG3 "[line %ld] Font glyphs corrupted or missing fields.\n"
|
| +#define ERRMSG4 "[line %ld] BBX too big.\n"
|
| +#define ERRMSG5 "[line %ld] `%s' value too big.\n"
|
| +#define ERRMSG6 "[line %ld] Input line too long.\n"
|
| +#define ERRMSG7 "[line %ld] Font name too long.\n"
|
| +#define ERRMSG8 "[line %ld] Invalid `%s' value.\n"
|
| +#define ERRMSG9 "[line %ld] Invalid keyword.\n"
|
| +
|
| + /* Debug messages. */
|
| +#define DBGMSG1 " [%6ld] %s" /* no \n */
|
| +#define DBGMSG2 " (0x%lX)\n"
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* Hash table utilities for the properties. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| + /* XXX: Replace this with FreeType's hash functions */
|
| +
|
| +
|
| +#define INITIAL_HT_SIZE 241
|
| +
|
| + typedef void
|
| + (*hash_free_func)( hashnode node );
|
| +
|
| + static hashnode*
|
| + hash_bucket( const char* key,
|
| + hashtable* ht )
|
| + {
|
| + const char* kp = key;
|
| + unsigned long res = 0;
|
| + hashnode* bp = ht->table, *ndp;
|
| +
|
| +
|
| + /* Mocklisp hash function. */
|
| + while ( *kp )
|
| + res = ( res << 5 ) - res + (unsigned long)*kp++;
|
| +
|
| + ndp = bp + ( res % ht->size );
|
| + while ( *ndp )
|
| + {
|
| + kp = (*ndp)->key;
|
| + if ( kp[0] == key[0] && ft_strcmp( kp, key ) == 0 )
|
| + break;
|
| + ndp--;
|
| + if ( ndp < bp )
|
| + ndp = bp + ( ht->size - 1 );
|
| + }
|
| +
|
| + return ndp;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + hash_rehash( hashtable* ht,
|
| + FT_Memory memory )
|
| + {
|
| + hashnode* obp = ht->table, *bp, *nbp;
|
| + unsigned int i, sz = ht->size;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + ht->size <<= 1;
|
| + ht->limit = ht->size / 3;
|
| +
|
| + if ( FT_NEW_ARRAY( ht->table, ht->size ) )
|
| + goto Exit;
|
| +
|
| + for ( i = 0, bp = obp; i < sz; i++, bp++ )
|
| + {
|
| + if ( *bp )
|
| + {
|
| + nbp = hash_bucket( (*bp)->key, ht );
|
| + *nbp = *bp;
|
| + }
|
| + }
|
| + FT_FREE( obp );
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + hash_init( hashtable* ht,
|
| + FT_Memory memory )
|
| + {
|
| + unsigned int sz = INITIAL_HT_SIZE;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + ht->size = sz;
|
| + ht->limit = sz / 3;
|
| + ht->used = 0;
|
| +
|
| + if ( FT_NEW_ARRAY( ht->table, sz ) )
|
| + goto Exit;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static void
|
| + hash_free( hashtable* ht,
|
| + FT_Memory memory )
|
| + {
|
| + if ( ht != 0 )
|
| + {
|
| + unsigned int i, sz = ht->size;
|
| + hashnode* bp = ht->table;
|
| +
|
| +
|
| + for ( i = 0; i < sz; i++, bp++ )
|
| + FT_FREE( *bp );
|
| +
|
| + FT_FREE( ht->table );
|
| + }
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + hash_insert( char* key,
|
| + size_t data,
|
| + hashtable* ht,
|
| + FT_Memory memory )
|
| + {
|
| + hashnode nn;
|
| + hashnode* bp = hash_bucket( key, ht );
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + nn = *bp;
|
| + if ( !nn )
|
| + {
|
| + if ( FT_NEW( nn ) )
|
| + goto Exit;
|
| + *bp = nn;
|
| +
|
| + nn->key = key;
|
| + nn->data = data;
|
| +
|
| + if ( ht->used >= ht->limit )
|
| + {
|
| + error = hash_rehash( ht, memory );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| + ht->used++;
|
| + }
|
| + else
|
| + nn->data = data;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static hashnode
|
| + hash_lookup( const char* key,
|
| + hashtable* ht )
|
| + {
|
| + hashnode *np = hash_bucket( key, ht );
|
| +
|
| +
|
| + return *np;
|
| + }
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* Utility types and functions. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| +
|
| + /* Function type for parsing lines of a BDF font. */
|
| +
|
| + typedef FT_Error
|
| + (*_bdf_line_func_t)( char* line,
|
| + unsigned long linelen,
|
| + unsigned long lineno,
|
| + void* call_data,
|
| + void* client_data );
|
| +
|
| +
|
| + /* List structure for splitting lines into fields. */
|
| +
|
| + typedef struct _bdf_list_t_
|
| + {
|
| + char** field;
|
| + unsigned long size;
|
| + unsigned long used;
|
| + FT_Memory memory;
|
| +
|
| + } _bdf_list_t;
|
| +
|
| +
|
| + /* Structure used while loading BDF fonts. */
|
| +
|
| + typedef struct _bdf_parse_t_
|
| + {
|
| + unsigned long flags;
|
| + unsigned long cnt;
|
| + unsigned long row;
|
| +
|
| + short minlb;
|
| + short maxlb;
|
| + short maxrb;
|
| + short maxas;
|
| + short maxds;
|
| +
|
| + short rbearing;
|
| +
|
| + char* glyph_name;
|
| + long glyph_enc;
|
| +
|
| + bdf_font_t* font;
|
| + bdf_options_t* opts;
|
| +
|
| + unsigned long have[34816]; /* must be in sync with `nmod' and `umod' */
|
| + /* arrays from `bdf_font_t' structure */
|
| + _bdf_list_t list;
|
| +
|
| + FT_Memory memory;
|
| + unsigned long size; /* the stream size */
|
| +
|
| + } _bdf_parse_t;
|
| +
|
| +
|
| +#define setsbit( m, cc ) \
|
| + ( m[(FT_Byte)(cc) >> 3] |= (FT_Byte)( 1 << ( (cc) & 7 ) ) )
|
| +#define sbitset( m, cc ) \
|
| + ( m[(FT_Byte)(cc) >> 3] & ( 1 << ( (cc) & 7 ) ) )
|
| +
|
| +
|
| + static void
|
| + _bdf_list_init( _bdf_list_t* list,
|
| + FT_Memory memory )
|
| + {
|
| + FT_ZERO( list );
|
| + list->memory = memory;
|
| + }
|
| +
|
| +
|
| + static void
|
| + _bdf_list_done( _bdf_list_t* list )
|
| + {
|
| + FT_Memory memory = list->memory;
|
| +
|
| +
|
| + if ( memory )
|
| + {
|
| + FT_FREE( list->field );
|
| + FT_ZERO( list );
|
| + }
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + _bdf_list_ensure( _bdf_list_t* list,
|
| + unsigned long num_items ) /* same as _bdf_list_t.used */
|
| + {
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + if ( num_items > list->size )
|
| + {
|
| + unsigned long oldsize = list->size; /* same as _bdf_list_t.size */
|
| + unsigned long newsize = oldsize + ( oldsize >> 1 ) + 5;
|
| + unsigned long bigsize = (unsigned long)( FT_INT_MAX / sizeof ( char* ) );
|
| + FT_Memory memory = list->memory;
|
| +
|
| +
|
| + if ( oldsize == bigsize )
|
| + {
|
| + error = FT_THROW( Out_Of_Memory );
|
| + goto Exit;
|
| + }
|
| + else if ( newsize < oldsize || newsize > bigsize )
|
| + newsize = bigsize;
|
| +
|
| + if ( FT_RENEW_ARRAY( list->field, oldsize, newsize ) )
|
| + goto Exit;
|
| +
|
| + list->size = newsize;
|
| + }
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static void
|
| + _bdf_list_shift( _bdf_list_t* list,
|
| + unsigned long n )
|
| + {
|
| + unsigned long i, u;
|
| +
|
| +
|
| + if ( list == 0 || list->used == 0 || n == 0 )
|
| + return;
|
| +
|
| + if ( n >= list->used )
|
| + {
|
| + list->used = 0;
|
| + return;
|
| + }
|
| +
|
| + for ( u = n, i = 0; u < list->used; i++, u++ )
|
| + list->field[i] = list->field[u];
|
| + list->used -= n;
|
| + }
|
| +
|
| +
|
| + /* An empty string for empty fields. */
|
| +
|
| + static const char empty[1] = { 0 }; /* XXX eliminate this */
|
| +
|
| +
|
| + static char *
|
| + _bdf_list_join( _bdf_list_t* list,
|
| + int c,
|
| + unsigned long *alen )
|
| + {
|
| + unsigned long i, j;
|
| + char* dp;
|
| +
|
| +
|
| + *alen = 0;
|
| +
|
| + if ( list == 0 || list->used == 0 )
|
| + return 0;
|
| +
|
| + dp = list->field[0];
|
| + for ( i = j = 0; i < list->used; i++ )
|
| + {
|
| + char* fp = list->field[i];
|
| +
|
| +
|
| + while ( *fp )
|
| + dp[j++] = *fp++;
|
| +
|
| + if ( i + 1 < list->used )
|
| + dp[j++] = (char)c;
|
| + }
|
| + if ( dp != empty )
|
| + dp[j] = 0;
|
| +
|
| + *alen = j;
|
| + return dp;
|
| + }
|
| +
|
| +
|
| + /* The code below ensures that we have at least 4 + 1 `field' */
|
| + /* elements in `list' (which are possibly NULL) so that we */
|
| + /* don't have to check the number of fields in most cases. */
|
| +
|
| + static FT_Error
|
| + _bdf_list_split( _bdf_list_t* list,
|
| + char* separators,
|
| + char* line,
|
| + unsigned long linelen )
|
| + {
|
| + unsigned long final_empty;
|
| + int mult;
|
| + char *sp, *ep, *end;
|
| + char seps[32];
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + /* Initialize the list. */
|
| + list->used = 0;
|
| + if ( list->size )
|
| + {
|
| + list->field[0] = (char*)empty;
|
| + list->field[1] = (char*)empty;
|
| + list->field[2] = (char*)empty;
|
| + list->field[3] = (char*)empty;
|
| + list->field[4] = (char*)empty;
|
| + }
|
| +
|
| + /* If the line is empty, then simply return. */
|
| + if ( linelen == 0 || line[0] == 0 )
|
| + goto Exit;
|
| +
|
| + /* In the original code, if the `separators' parameter is NULL or */
|
| + /* empty, the list is split into individual bytes. We don't need */
|
| + /* this, so an error is signaled. */
|
| + if ( separators == 0 || *separators == 0 )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Prepare the separator bitmap. */
|
| + FT_MEM_ZERO( seps, 32 );
|
| +
|
| + /* If the very last character of the separator string is a plus, then */
|
| + /* set the `mult' flag to indicate that multiple separators should be */
|
| + /* collapsed into one. */
|
| + for ( mult = 0, sp = separators; sp && *sp; sp++ )
|
| + {
|
| + if ( *sp == '+' && *( sp + 1 ) == 0 )
|
| + mult = 1;
|
| + else
|
| + setsbit( seps, *sp );
|
| + }
|
| +
|
| + /* Break the line up into fields. */
|
| + for ( final_empty = 0, sp = ep = line, end = sp + linelen;
|
| + sp < end && *sp; )
|
| + {
|
| + /* Collect everything that is not a separator. */
|
| + for ( ; *ep && !sbitset( seps, *ep ); ep++ )
|
| + ;
|
| +
|
| + /* Resize the list if necessary. */
|
| + if ( list->used == list->size )
|
| + {
|
| + error = _bdf_list_ensure( list, list->used + 1 );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Assign the field appropriately. */
|
| + list->field[list->used++] = ( ep > sp ) ? sp : (char*)empty;
|
| +
|
| + sp = ep;
|
| +
|
| + if ( mult )
|
| + {
|
| + /* If multiple separators should be collapsed, do it now by */
|
| + /* setting all the separator characters to 0. */
|
| + for ( ; *ep && sbitset( seps, *ep ); ep++ )
|
| + *ep = 0;
|
| + }
|
| + else if ( *ep != 0 )
|
| + /* Don't collapse multiple separators by making them 0, so just */
|
| + /* make the one encountered 0. */
|
| + *ep++ = 0;
|
| +
|
| + final_empty = ( ep > sp && *ep == 0 );
|
| + sp = ep;
|
| + }
|
| +
|
| + /* Finally, NULL-terminate the list. */
|
| + if ( list->used + final_empty >= list->size )
|
| + {
|
| + error = _bdf_list_ensure( list, list->used + final_empty + 1 );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| +
|
| + if ( final_empty )
|
| + list->field[list->used++] = (char*)empty;
|
| +
|
| + list->field[list->used] = 0;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| +#define NO_SKIP 256 /* this value cannot be stored in a 'char' */
|
| +
|
| +
|
| + static FT_Error
|
| + _bdf_readstream( FT_Stream stream,
|
| + _bdf_line_func_t callback,
|
| + void* client_data,
|
| + unsigned long *lno )
|
| + {
|
| + _bdf_line_func_t cb;
|
| + unsigned long lineno, buf_size;
|
| + int refill, hold, to_skip;
|
| + ptrdiff_t bytes, start, end, cursor, avail;
|
| + char* buf = NULL;
|
| + FT_Memory memory = stream->memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + if ( callback == 0 )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* initial size and allocation of the input buffer */
|
| + buf_size = 1024;
|
| +
|
| + if ( FT_NEW_ARRAY( buf, buf_size ) )
|
| + goto Exit;
|
| +
|
| + cb = callback;
|
| + lineno = 1;
|
| + buf[0] = 0;
|
| + start = 0;
|
| + avail = 0;
|
| + cursor = 0;
|
| + refill = 1;
|
| + to_skip = NO_SKIP;
|
| + bytes = 0; /* make compiler happy */
|
| +
|
| + for (;;)
|
| + {
|
| + if ( refill )
|
| + {
|
| + bytes = (ptrdiff_t)FT_Stream_TryRead(
|
| + stream, (FT_Byte*)buf + cursor,
|
| + buf_size - (unsigned long)cursor );
|
| + avail = cursor + bytes;
|
| + cursor = 0;
|
| + refill = 0;
|
| + }
|
| +
|
| + end = start;
|
| +
|
| + /* should we skip an optional character like \n or \r? */
|
| + if ( start < avail && buf[start] == to_skip )
|
| + {
|
| + start += 1;
|
| + to_skip = NO_SKIP;
|
| + continue;
|
| + }
|
| +
|
| + /* try to find the end of the line */
|
| + while ( end < avail && buf[end] != '\n' && buf[end] != '\r' )
|
| + end++;
|
| +
|
| + /* if we hit the end of the buffer, try shifting its content */
|
| + /* or even resizing it */
|
| + if ( end >= avail )
|
| + {
|
| + if ( bytes == 0 ) /* last line in file doesn't end in \r or \n */
|
| + break; /* ignore it then exit */
|
| +
|
| + if ( start == 0 )
|
| + {
|
| + /* this line is definitely too long; try resizing the input */
|
| + /* buffer a bit to handle it. */
|
| + FT_ULong new_size;
|
| +
|
| +
|
| + if ( buf_size >= 65536UL ) /* limit ourselves to 64KByte */
|
| + {
|
| + FT_ERROR(( "_bdf_readstream: " ERRMSG6, lineno ));
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + new_size = buf_size * 2;
|
| + if ( FT_RENEW_ARRAY( buf, buf_size, new_size ) )
|
| + goto Exit;
|
| +
|
| + cursor = (ptrdiff_t)buf_size;
|
| + buf_size = new_size;
|
| + }
|
| + else
|
| + {
|
| + bytes = avail - start;
|
| +
|
| + FT_MEM_MOVE( buf, buf + start, bytes );
|
| +
|
| + cursor = bytes;
|
| + avail -= bytes;
|
| + start = 0;
|
| + }
|
| + refill = 1;
|
| + continue;
|
| + }
|
| +
|
| + /* Temporarily NUL-terminate the line. */
|
| + hold = buf[end];
|
| + buf[end] = 0;
|
| +
|
| + /* XXX: Use encoding independent value for 0x1A */
|
| + if ( buf[start] != '#' && buf[start] != 0x1A && end > start )
|
| + {
|
| + error = (*cb)( buf + start, (unsigned long)( end - start ), lineno,
|
| + (void*)&cb, client_data );
|
| + /* Redo if we have encountered CHARS without properties. */
|
| + if ( error == -1 )
|
| + error = (*cb)( buf + start, (unsigned long)( end - start ), lineno,
|
| + (void*)&cb, client_data );
|
| + if ( error )
|
| + break;
|
| + }
|
| +
|
| + lineno += 1;
|
| + buf[end] = (char)hold;
|
| + start = end + 1;
|
| +
|
| + if ( hold == '\n' )
|
| + to_skip = '\r';
|
| + else if ( hold == '\r' )
|
| + to_skip = '\n';
|
| + else
|
| + to_skip = NO_SKIP;
|
| + }
|
| +
|
| + *lno = lineno;
|
| +
|
| + Exit:
|
| + FT_FREE( buf );
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /* XXX: make this work with EBCDIC also */
|
| +
|
| + static const unsigned char a2i[128] =
|
| + {
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
| + };
|
| +
|
| + static const unsigned char odigits[32] =
|
| + {
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + };
|
| +
|
| + static const unsigned char ddigits[32] =
|
| + {
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x03,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + };
|
| +
|
| + static const unsigned char hdigits[32] =
|
| + {
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x03,
|
| + 0x7E, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
| + };
|
| +
|
| +
|
| + /* Routine to convert an ASCII string into an unsigned long integer. */
|
| + static unsigned long
|
| + _bdf_atoul( char* s,
|
| + char** end,
|
| + unsigned int base )
|
| + {
|
| + unsigned long v;
|
| + const unsigned char* dmap;
|
| +
|
| +
|
| + if ( s == 0 || *s == 0 )
|
| + return 0;
|
| +
|
| + /* Make sure the radix is something recognizable. Default to 10. */
|
| + switch ( base )
|
| + {
|
| + case 8:
|
| + dmap = odigits;
|
| + break;
|
| + case 16:
|
| + dmap = hdigits;
|
| + break;
|
| + default:
|
| + base = 10;
|
| + dmap = ddigits;
|
| + break;
|
| + }
|
| +
|
| + /* Check for the special hex prefix. */
|
| + if ( *s == '0' &&
|
| + ( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
| + {
|
| + base = 16;
|
| + dmap = hdigits;
|
| + s += 2;
|
| + }
|
| +
|
| + for ( v = 0; sbitset( dmap, *s ); s++ )
|
| + v = v * base + a2i[(int)*s];
|
| +
|
| + if ( end != 0 )
|
| + *end = s;
|
| +
|
| + return v;
|
| + }
|
| +
|
| +
|
| + /* Routine to convert an ASCII string into a signed long integer. */
|
| + static long
|
| + _bdf_atol( char* s,
|
| + char** end,
|
| + int base )
|
| + {
|
| + long v, neg;
|
| + const unsigned char* dmap;
|
| +
|
| +
|
| + if ( s == 0 || *s == 0 )
|
| + return 0;
|
| +
|
| + /* Make sure the radix is something recognizable. Default to 10. */
|
| + switch ( base )
|
| + {
|
| + case 8:
|
| + dmap = odigits;
|
| + break;
|
| + case 16:
|
| + dmap = hdigits;
|
| + break;
|
| + default:
|
| + base = 10;
|
| + dmap = ddigits;
|
| + break;
|
| + }
|
| +
|
| + /* Check for a minus sign. */
|
| + neg = 0;
|
| + if ( *s == '-' )
|
| + {
|
| + s++;
|
| + neg = 1;
|
| + }
|
| +
|
| + /* Check for the special hex prefix. */
|
| + if ( *s == '0' &&
|
| + ( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
| + {
|
| + base = 16;
|
| + dmap = hdigits;
|
| + s += 2;
|
| + }
|
| +
|
| + for ( v = 0; sbitset( dmap, *s ); s++ )
|
| + v = v * base + a2i[(int)*s];
|
| +
|
| + if ( end != 0 )
|
| + *end = s;
|
| +
|
| + return ( !neg ) ? v : -v;
|
| + }
|
| +
|
| +
|
| + /* Routine to convert an ASCII string into an unsigned short integer. */
|
| + static unsigned short
|
| + _bdf_atous( char* s,
|
| + char** end,
|
| + unsigned int base )
|
| + {
|
| + unsigned short v;
|
| + const unsigned char* dmap;
|
| +
|
| +
|
| + if ( s == 0 || *s == 0 )
|
| + return 0;
|
| +
|
| + /* Make sure the radix is something recognizable. Default to 10. */
|
| + switch ( base )
|
| + {
|
| + case 8:
|
| + dmap = odigits;
|
| + break;
|
| + case 16:
|
| + dmap = hdigits;
|
| + break;
|
| + default:
|
| + base = 10;
|
| + dmap = ddigits;
|
| + break;
|
| + }
|
| +
|
| + /* Check for the special hex prefix. */
|
| + if ( *s == '0' &&
|
| + ( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
| + {
|
| + base = 16;
|
| + dmap = hdigits;
|
| + s += 2;
|
| + }
|
| +
|
| + for ( v = 0; sbitset( dmap, *s ); s++ )
|
| + v = (unsigned short)( v * base + a2i[(int)*s] );
|
| +
|
| + if ( end != 0 )
|
| + *end = s;
|
| +
|
| + return v;
|
| + }
|
| +
|
| +
|
| + /* Routine to convert an ASCII string into a signed short integer. */
|
| + static short
|
| + _bdf_atos( char* s,
|
| + char** end,
|
| + int base )
|
| + {
|
| + short v, neg;
|
| + const unsigned char* dmap;
|
| +
|
| +
|
| + if ( s == 0 || *s == 0 )
|
| + return 0;
|
| +
|
| + /* Make sure the radix is something recognizable. Default to 10. */
|
| + switch ( base )
|
| + {
|
| + case 8:
|
| + dmap = odigits;
|
| + break;
|
| + case 16:
|
| + dmap = hdigits;
|
| + break;
|
| + default:
|
| + base = 10;
|
| + dmap = ddigits;
|
| + break;
|
| + }
|
| +
|
| + /* Check for a minus. */
|
| + neg = 0;
|
| + if ( *s == '-' )
|
| + {
|
| + s++;
|
| + neg = 1;
|
| + }
|
| +
|
| + /* Check for the special hex prefix. */
|
| + if ( *s == '0' &&
|
| + ( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
| + {
|
| + base = 16;
|
| + dmap = hdigits;
|
| + s += 2;
|
| + }
|
| +
|
| + for ( v = 0; sbitset( dmap, *s ); s++ )
|
| + v = (short)( v * base + a2i[(int)*s] );
|
| +
|
| + if ( end != 0 )
|
| + *end = s;
|
| +
|
| + return (short)( ( !neg ) ? v : -v );
|
| + }
|
| +
|
| +
|
| + /* Routine to compare two glyphs by encoding so they can be sorted. */
|
| + static int
|
| + by_encoding( const void* a,
|
| + const void* b )
|
| + {
|
| + bdf_glyph_t *c1, *c2;
|
| +
|
| +
|
| + c1 = (bdf_glyph_t *)a;
|
| + c2 = (bdf_glyph_t *)b;
|
| +
|
| + if ( c1->encoding < c2->encoding )
|
| + return -1;
|
| +
|
| + if ( c1->encoding > c2->encoding )
|
| + return 1;
|
| +
|
| + return 0;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + bdf_create_property( char* name,
|
| + int format,
|
| + bdf_font_t* font )
|
| + {
|
| + size_t n;
|
| + bdf_property_t* p;
|
| + FT_Memory memory = font->memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + /* First check whether the property has */
|
| + /* already been added or not. If it has, then */
|
| + /* simply ignore it. */
|
| + if ( hash_lookup( name, &(font->proptbl) ) )
|
| + goto Exit;
|
| +
|
| + if ( FT_RENEW_ARRAY( font->user_props,
|
| + font->nuser_props,
|
| + font->nuser_props + 1 ) )
|
| + goto Exit;
|
| +
|
| + p = font->user_props + font->nuser_props;
|
| + FT_ZERO( p );
|
| +
|
| + n = ft_strlen( name ) + 1;
|
| + if ( n > FT_ULONG_MAX )
|
| + return FT_THROW( Invalid_Argument );
|
| +
|
| + if ( FT_NEW_ARRAY( p->name, n ) )
|
| + goto Exit;
|
| +
|
| + FT_MEM_COPY( (char *)p->name, name, n );
|
| +
|
| + p->format = format;
|
| + p->builtin = 0;
|
| +
|
| + n = _num_bdf_properties + font->nuser_props;
|
| +
|
| + error = hash_insert( p->name, n, &(font->proptbl), memory );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + font->nuser_props++;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + FT_LOCAL_DEF( bdf_property_t * )
|
| + bdf_get_property( char* name,
|
| + bdf_font_t* font )
|
| + {
|
| + hashnode hn;
|
| + size_t propid;
|
| +
|
| +
|
| + if ( name == 0 || *name == 0 )
|
| + return 0;
|
| +
|
| + if ( ( hn = hash_lookup( name, &(font->proptbl) ) ) == 0 )
|
| + return 0;
|
| +
|
| + propid = hn->data;
|
| + if ( propid >= _num_bdf_properties )
|
| + return font->user_props + ( propid - _num_bdf_properties );
|
| +
|
| + return (bdf_property_t*)_bdf_properties + propid;
|
| + }
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* BDF font file parsing flags and functions. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| +
|
| + /* Parse flags. */
|
| +
|
| +#define _BDF_START 0x0001U
|
| +#define _BDF_FONT_NAME 0x0002U
|
| +#define _BDF_SIZE 0x0004U
|
| +#define _BDF_FONT_BBX 0x0008U
|
| +#define _BDF_PROPS 0x0010U
|
| +#define _BDF_GLYPHS 0x0020U
|
| +#define _BDF_GLYPH 0x0040U
|
| +#define _BDF_ENCODING 0x0080U
|
| +#define _BDF_SWIDTH 0x0100U
|
| +#define _BDF_DWIDTH 0x0200U
|
| +#define _BDF_BBX 0x0400U
|
| +#define _BDF_BITMAP 0x0800U
|
| +
|
| +#define _BDF_SWIDTH_ADJ 0x1000U
|
| +
|
| +#define _BDF_GLYPH_BITS ( _BDF_GLYPH | \
|
| + _BDF_ENCODING | \
|
| + _BDF_SWIDTH | \
|
| + _BDF_DWIDTH | \
|
| + _BDF_BBX | \
|
| + _BDF_BITMAP )
|
| +
|
| +#define _BDF_GLYPH_WIDTH_CHECK 0x40000000UL
|
| +#define _BDF_GLYPH_HEIGHT_CHECK 0x80000000UL
|
| +
|
| +
|
| + static FT_Error
|
| + _bdf_add_comment( bdf_font_t* font,
|
| + char* comment,
|
| + unsigned long len )
|
| + {
|
| + char* cp;
|
| + FT_Memory memory = font->memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + if ( FT_RENEW_ARRAY( font->comments,
|
| + font->comments_len,
|
| + font->comments_len + len + 1 ) )
|
| + goto Exit;
|
| +
|
| + cp = font->comments + font->comments_len;
|
| +
|
| + FT_MEM_COPY( cp, comment, len );
|
| + cp[len] = '\n';
|
| +
|
| + font->comments_len += len + 1;
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /* Set the spacing from the font name if it exists, or set it to the */
|
| + /* default specified in the options. */
|
| + static FT_Error
|
| + _bdf_set_default_spacing( bdf_font_t* font,
|
| + bdf_options_t* opts,
|
| + unsigned long lineno )
|
| + {
|
| + size_t len;
|
| + char name[256];
|
| + _bdf_list_t list;
|
| + FT_Memory memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_UNUSED( lineno ); /* only used in debug mode */
|
| +
|
| +
|
| + if ( font == 0 || font->name == 0 || font->name[0] == 0 )
|
| + {
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + memory = font->memory;
|
| +
|
| + _bdf_list_init( &list, memory );
|
| +
|
| + font->spacing = opts->font_spacing;
|
| +
|
| + len = ft_strlen( font->name ) + 1;
|
| + /* Limit ourselves to 256 characters in the font name. */
|
| + if ( len >= 256 )
|
| + {
|
| + FT_ERROR(( "_bdf_set_default_spacing: " ERRMSG7, lineno ));
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + FT_MEM_COPY( name, font->name, len );
|
| +
|
| + error = _bdf_list_split( &list, (char *)"-", name, (unsigned long)len );
|
| + if ( error )
|
| + goto Fail;
|
| +
|
| + if ( list.used == 15 )
|
| + {
|
| + switch ( list.field[11][0] )
|
| + {
|
| + case 'C':
|
| + case 'c':
|
| + font->spacing = BDF_CHARCELL;
|
| + break;
|
| + case 'M':
|
| + case 'm':
|
| + font->spacing = BDF_MONOWIDTH;
|
| + break;
|
| + case 'P':
|
| + case 'p':
|
| + font->spacing = BDF_PROPORTIONAL;
|
| + break;
|
| + }
|
| + }
|
| +
|
| + Fail:
|
| + _bdf_list_done( &list );
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /* Determine whether the property is an atom or not. If it is, then */
|
| + /* clean it up so the double quotes are removed if they exist. */
|
| + static int
|
| + _bdf_is_atom( char* line,
|
| + unsigned long linelen,
|
| + char** name,
|
| + char** value,
|
| + bdf_font_t* font )
|
| + {
|
| + int hold;
|
| + char *sp, *ep;
|
| + bdf_property_t* p;
|
| +
|
| +
|
| + *name = sp = ep = line;
|
| +
|
| + while ( *ep && *ep != ' ' && *ep != '\t' )
|
| + ep++;
|
| +
|
| + hold = -1;
|
| + if ( *ep )
|
| + {
|
| + hold = *ep;
|
| + *ep = 0;
|
| + }
|
| +
|
| + p = bdf_get_property( sp, font );
|
| +
|
| + /* Restore the character that was saved before any return can happen. */
|
| + if ( hold != -1 )
|
| + *ep = (char)hold;
|
| +
|
| + /* If the property exists and is not an atom, just return here. */
|
| + if ( p && p->format != BDF_ATOM )
|
| + return 0;
|
| +
|
| + /* The property is an atom. Trim all leading and trailing whitespace */
|
| + /* and double quotes for the atom value. */
|
| + sp = ep;
|
| + ep = line + linelen;
|
| +
|
| + /* Trim the leading whitespace if it exists. */
|
| + if ( *sp )
|
| + *sp++ = 0;
|
| + while ( *sp &&
|
| + ( *sp == ' ' || *sp == '\t' ) )
|
| + sp++;
|
| +
|
| + /* Trim the leading double quote if it exists. */
|
| + if ( *sp == '"' )
|
| + sp++;
|
| + *value = sp;
|
| +
|
| + /* Trim the trailing whitespace if it exists. */
|
| + while ( ep > sp &&
|
| + ( *( ep - 1 ) == ' ' || *( ep - 1 ) == '\t' ) )
|
| + *--ep = 0;
|
| +
|
| + /* Trim the trailing double quote if it exists. */
|
| + if ( ep > sp && *( ep - 1 ) == '"' )
|
| + *--ep = 0;
|
| +
|
| + return 1;
|
| + }
|
| +
|
| +
|
| + static FT_Error
|
| + _bdf_add_property( bdf_font_t* font,
|
| + char* name,
|
| + char* value,
|
| + unsigned long lineno )
|
| + {
|
| + size_t propid;
|
| + hashnode hn;
|
| + bdf_property_t *prop, *fp;
|
| + FT_Memory memory = font->memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_UNUSED( lineno ); /* only used in debug mode */
|
| +
|
| +
|
| + /* First, check whether the property already exists in the font. */
|
| + if ( ( hn = hash_lookup( name, (hashtable *)font->internal ) ) != 0 )
|
| + {
|
| + /* The property already exists in the font, so simply replace */
|
| + /* the value of the property with the current value. */
|
| + fp = font->props + hn->data;
|
| +
|
| + switch ( fp->format )
|
| + {
|
| + case BDF_ATOM:
|
| + /* Delete the current atom if it exists. */
|
| + FT_FREE( fp->value.atom );
|
| +
|
| + if ( value && value[0] != 0 )
|
| + {
|
| + if ( FT_STRDUP( fp->value.atom, value ) )
|
| + goto Exit;
|
| + }
|
| + break;
|
| +
|
| + case BDF_INTEGER:
|
| + fp->value.l = _bdf_atol( value, 0, 10 );
|
| + break;
|
| +
|
| + case BDF_CARDINAL:
|
| + fp->value.ul = _bdf_atoul( value, 0, 10 );
|
| + break;
|
| +
|
| + default:
|
| + ;
|
| + }
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* See whether this property type exists yet or not. */
|
| + /* If not, create it. */
|
| + hn = hash_lookup( name, &(font->proptbl) );
|
| + if ( hn == 0 )
|
| + {
|
| + error = bdf_create_property( name, BDF_ATOM, font );
|
| + if ( error )
|
| + goto Exit;
|
| + hn = hash_lookup( name, &(font->proptbl) );
|
| + }
|
| +
|
| + /* Allocate another property if this is overflow. */
|
| + if ( font->props_used == font->props_size )
|
| + {
|
| + if ( font->props_size == 0 )
|
| + {
|
| + if ( FT_NEW_ARRAY( font->props, 1 ) )
|
| + goto Exit;
|
| + }
|
| + else
|
| + {
|
| + if ( FT_RENEW_ARRAY( font->props,
|
| + font->props_size,
|
| + font->props_size + 1 ) )
|
| + goto Exit;
|
| + }
|
| +
|
| + fp = font->props + font->props_size;
|
| + FT_MEM_ZERO( fp, sizeof ( bdf_property_t ) );
|
| + font->props_size++;
|
| + }
|
| +
|
| + propid = hn->data;
|
| + if ( propid >= _num_bdf_properties )
|
| + prop = font->user_props + ( propid - _num_bdf_properties );
|
| + else
|
| + prop = (bdf_property_t*)_bdf_properties + propid;
|
| +
|
| + fp = font->props + font->props_used;
|
| +
|
| + fp->name = prop->name;
|
| + fp->format = prop->format;
|
| + fp->builtin = prop->builtin;
|
| +
|
| + switch ( prop->format )
|
| + {
|
| + case BDF_ATOM:
|
| + fp->value.atom = 0;
|
| + if ( value != 0 && value[0] )
|
| + {
|
| + if ( FT_STRDUP( fp->value.atom, value ) )
|
| + goto Exit;
|
| + }
|
| + break;
|
| +
|
| + case BDF_INTEGER:
|
| + fp->value.l = _bdf_atol( value, 0, 10 );
|
| + break;
|
| +
|
| + case BDF_CARDINAL:
|
| + fp->value.ul = _bdf_atoul( value, 0, 10 );
|
| + break;
|
| + }
|
| +
|
| + /* If the property happens to be a comment, then it doesn't need */
|
| + /* to be added to the internal hash table. */
|
| + if ( _bdf_strncmp( name, "COMMENT", 7 ) != 0 )
|
| + {
|
| + /* Add the property to the font property table. */
|
| + error = hash_insert( fp->name,
|
| + font->props_used,
|
| + (hashtable *)font->internal,
|
| + memory );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| +
|
| + font->props_used++;
|
| +
|
| + /* Some special cases need to be handled here. The DEFAULT_CHAR */
|
| + /* property needs to be located if it exists in the property list, the */
|
| + /* FONT_ASCENT and FONT_DESCENT need to be assigned if they are */
|
| + /* present, and the SPACING property should override the default */
|
| + /* spacing. */
|
| + if ( _bdf_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 )
|
| + font->default_char = fp->value.l;
|
| + else if ( _bdf_strncmp( name, "FONT_ASCENT", 11 ) == 0 )
|
| + font->font_ascent = fp->value.l;
|
| + else if ( _bdf_strncmp( name, "FONT_DESCENT", 12 ) == 0 )
|
| + font->font_descent = fp->value.l;
|
| + else if ( _bdf_strncmp( name, "SPACING", 7 ) == 0 )
|
| + {
|
| + if ( !fp->value.atom )
|
| + {
|
| + FT_ERROR(( "_bdf_add_property: " ERRMSG8, lineno, "SPACING" ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| + goto Exit;
|
| + }
|
| +
|
| + if ( fp->value.atom[0] == 'p' || fp->value.atom[0] == 'P' )
|
| + font->spacing = BDF_PROPORTIONAL;
|
| + else if ( fp->value.atom[0] == 'm' || fp->value.atom[0] == 'M' )
|
| + font->spacing = BDF_MONOWIDTH;
|
| + else if ( fp->value.atom[0] == 'c' || fp->value.atom[0] == 'C' )
|
| + font->spacing = BDF_CHARCELL;
|
| + }
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + static const unsigned char nibble_mask[8] =
|
| + {
|
| + 0xFF, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE
|
| + };
|
| +
|
| +
|
| + /* Actually parse the glyph info and bitmaps. */
|
| + static FT_Error
|
| + _bdf_parse_glyphs( char* line,
|
| + unsigned long linelen,
|
| + unsigned long lineno,
|
| + void* call_data,
|
| + void* client_data )
|
| + {
|
| + int c, mask_index;
|
| + char* s;
|
| + unsigned char* bp;
|
| + unsigned long i, slen, nibbles;
|
| +
|
| + _bdf_parse_t* p;
|
| + bdf_glyph_t* glyph;
|
| + bdf_font_t* font;
|
| +
|
| + FT_Memory memory;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_UNUSED( call_data );
|
| + FT_UNUSED( lineno ); /* only used in debug mode */
|
| +
|
| +
|
| + p = (_bdf_parse_t *)client_data;
|
| +
|
| + font = p->font;
|
| + memory = font->memory;
|
| +
|
| + /* Check for a comment. */
|
| + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
|
| + {
|
| + linelen -= 7;
|
| +
|
| + s = line + 7;
|
| + if ( *s != 0 )
|
| + {
|
| + s++;
|
| + linelen--;
|
| + }
|
| + error = _bdf_add_comment( p->font, s, linelen );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* The very first thing expected is the number of glyphs. */
|
| + if ( !( p->flags & _BDF_GLYPHS ) )
|
| + {
|
| + if ( _bdf_strncmp( line, "CHARS", 5 ) != 0 )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "CHARS" ));
|
| + error = FT_THROW( Missing_Chars_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| + p->cnt = font->glyphs_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
| +
|
| + /* We need at least 20 bytes per glyph. */
|
| + if ( p->cnt > p->size / 20 )
|
| + {
|
| + p->cnt = font->glyphs_size = p->size / 20;
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG17, p->cnt ));
|
| + }
|
| +
|
| + /* Make sure the number of glyphs is non-zero. */
|
| + if ( p->cnt == 0 )
|
| + font->glyphs_size = 64;
|
| +
|
| + /* Limit ourselves to 1,114,112 glyphs in the font (this is the */
|
| + /* number of code points available in Unicode). */
|
| + if ( p->cnt >= 0x110000UL )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG5, lineno, "CHARS" ));
|
| + error = FT_THROW( Invalid_Argument );
|
| + goto Exit;
|
| + }
|
| +
|
| + if ( FT_NEW_ARRAY( font->glyphs, font->glyphs_size ) )
|
| + goto Exit;
|
| +
|
| + p->flags |= _BDF_GLYPHS;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the ENDFONT field. */
|
| + if ( _bdf_strncmp( line, "ENDFONT", 7 ) == 0 )
|
| + {
|
| + if ( p->flags & _BDF_GLYPH_BITS )
|
| + {
|
| + /* Missing ENDCHAR field. */
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENDCHAR" ));
|
| + error = FT_THROW( Corrupted_Font_Glyphs );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Sort the glyphs by encoding. */
|
| + ft_qsort( (char *)font->glyphs,
|
| + font->glyphs_used,
|
| + sizeof ( bdf_glyph_t ),
|
| + by_encoding );
|
| +
|
| + p->flags &= ~_BDF_START;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the ENDCHAR field. */
|
| + if ( _bdf_strncmp( line, "ENDCHAR", 7 ) == 0 )
|
| + {
|
| + p->glyph_enc = 0;
|
| + p->flags &= ~_BDF_GLYPH_BITS;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check whether a glyph is being scanned but should be */
|
| + /* ignored because it is an unencoded glyph. */
|
| + if ( ( p->flags & _BDF_GLYPH ) &&
|
| + p->glyph_enc == -1 &&
|
| + p->opts->keep_unencoded == 0 )
|
| + goto Exit;
|
| +
|
| + /* Check for the STARTCHAR field. */
|
| + if ( _bdf_strncmp( line, "STARTCHAR", 9 ) == 0 )
|
| + {
|
| + if ( p->flags & _BDF_GLYPH_BITS )
|
| + {
|
| + /* Missing ENDCHAR field. */
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENDCHAR" ));
|
| + error = FT_THROW( Missing_Startchar_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Set the character name in the parse info first until the */
|
| + /* encoding can be checked for an unencoded character. */
|
| + FT_FREE( p->glyph_name );
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + _bdf_list_shift( &p->list, 1 );
|
| +
|
| + s = _bdf_list_join( &p->list, ' ', &slen );
|
| +
|
| + if ( !s )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG8, lineno, "STARTCHAR" ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| + goto Exit;
|
| + }
|
| +
|
| + if ( FT_NEW_ARRAY( p->glyph_name, slen + 1 ) )
|
| + goto Exit;
|
| +
|
| + FT_MEM_COPY( p->glyph_name, s, slen + 1 );
|
| +
|
| + p->flags |= _BDF_GLYPH;
|
| +
|
| + FT_TRACE4(( DBGMSG1, lineno, s ));
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the ENCODING field. */
|
| + if ( _bdf_strncmp( line, "ENCODING", 8 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_GLYPH ) )
|
| + {
|
| + /* Missing STARTCHAR field. */
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "STARTCHAR" ));
|
| + error = FT_THROW( Missing_Startchar_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + p->glyph_enc = _bdf_atol( p->list.field[1], 0, 10 );
|
| +
|
| + /* Normalize negative encoding values. The specification only */
|
| + /* allows -1, but we can be more generous here. */
|
| + if ( p->glyph_enc < -1 )
|
| + p->glyph_enc = -1;
|
| +
|
| + /* Check for alternative encoding format. */
|
| + if ( p->glyph_enc == -1 && p->list.used > 2 )
|
| + p->glyph_enc = _bdf_atol( p->list.field[2], 0, 10 );
|
| +
|
| + if ( p->glyph_enc < -1 )
|
| + p->glyph_enc = -1;
|
| +
|
| + FT_TRACE4(( DBGMSG2, p->glyph_enc ));
|
| +
|
| + /* Check that the encoding is in the Unicode range because */
|
| + /* otherwise p->have (a bitmap with static size) overflows. */
|
| + if ( p->glyph_enc > 0 &&
|
| + (size_t)p->glyph_enc >= sizeof ( p->have ) /
|
| + sizeof ( unsigned long ) * 32 )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG5, lineno, "ENCODING" ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check whether this encoding has already been encountered. */
|
| + /* If it has then change it to unencoded so it gets added if */
|
| + /* indicated. */
|
| + if ( p->glyph_enc >= 0 )
|
| + {
|
| + if ( _bdf_glyph_modified( p->have, p->glyph_enc ) )
|
| + {
|
| + /* Emit a message saying a glyph has been moved to the */
|
| + /* unencoded area. */
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG12,
|
| + p->glyph_enc, p->glyph_name ));
|
| + p->glyph_enc = -1;
|
| + font->modified = 1;
|
| + }
|
| + else
|
| + _bdf_set_glyph_modified( p->have, p->glyph_enc );
|
| + }
|
| +
|
| + if ( p->glyph_enc >= 0 )
|
| + {
|
| + /* Make sure there are enough glyphs allocated in case the */
|
| + /* number of characters happen to be wrong. */
|
| + if ( font->glyphs_used == font->glyphs_size )
|
| + {
|
| + if ( FT_RENEW_ARRAY( font->glyphs,
|
| + font->glyphs_size,
|
| + font->glyphs_size + 64 ) )
|
| + goto Exit;
|
| +
|
| + font->glyphs_size += 64;
|
| + }
|
| +
|
| + glyph = font->glyphs + font->glyphs_used++;
|
| + glyph->name = p->glyph_name;
|
| + glyph->encoding = p->glyph_enc;
|
| +
|
| + /* Reset the initial glyph info. */
|
| + p->glyph_name = NULL;
|
| + }
|
| + else
|
| + {
|
| + /* Unencoded glyph. Check whether it should */
|
| + /* be added or not. */
|
| + if ( p->opts->keep_unencoded != 0 )
|
| + {
|
| + /* Allocate the next unencoded glyph. */
|
| + if ( font->unencoded_used == font->unencoded_size )
|
| + {
|
| + if ( FT_RENEW_ARRAY( font->unencoded ,
|
| + font->unencoded_size,
|
| + font->unencoded_size + 4 ) )
|
| + goto Exit;
|
| +
|
| + font->unencoded_size += 4;
|
| + }
|
| +
|
| + glyph = font->unencoded + font->unencoded_used;
|
| + glyph->name = p->glyph_name;
|
| + glyph->encoding = (long)font->unencoded_used++;
|
| +
|
| + /* Reset the initial glyph info. */
|
| + p->glyph_name = NULL;
|
| + }
|
| + else
|
| + {
|
| + /* Free up the glyph name if the unencoded shouldn't be */
|
| + /* kept. */
|
| + FT_FREE( p->glyph_name );
|
| + }
|
| +
|
| + p->glyph_name = NULL;
|
| + }
|
| +
|
| + /* Clear the flags that might be added when width and height are */
|
| + /* checked for consistency. */
|
| + p->flags &= ~( _BDF_GLYPH_WIDTH_CHECK | _BDF_GLYPH_HEIGHT_CHECK );
|
| +
|
| + p->flags |= _BDF_ENCODING;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Point at the glyph being constructed. */
|
| + if ( p->glyph_enc == -1 )
|
| + glyph = font->unencoded + ( font->unencoded_used - 1 );
|
| + else
|
| + glyph = font->glyphs + ( font->glyphs_used - 1 );
|
| +
|
| + /* Check whether a bitmap is being constructed. */
|
| + if ( p->flags & _BDF_BITMAP )
|
| + {
|
| + /* If there are more rows than are specified in the glyph metrics, */
|
| + /* ignore the remaining lines. */
|
| + if ( p->row >= (unsigned long)glyph->bbx.height )
|
| + {
|
| + if ( !( p->flags & _BDF_GLYPH_HEIGHT_CHECK ) )
|
| + {
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG13, glyph->encoding ));
|
| + p->flags |= _BDF_GLYPH_HEIGHT_CHECK;
|
| + font->modified = 1;
|
| + }
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Only collect the number of nibbles indicated by the glyph */
|
| + /* metrics. If there are more columns, they are simply ignored. */
|
| + nibbles = glyph->bpr << 1;
|
| + bp = glyph->bitmap + p->row * glyph->bpr;
|
| +
|
| + for ( i = 0; i < nibbles; i++ )
|
| + {
|
| + c = line[i];
|
| + if ( !sbitset( hdigits, c ) )
|
| + break;
|
| + *bp = (FT_Byte)( ( *bp << 4 ) + a2i[c] );
|
| + if ( i + 1 < nibbles && ( i & 1 ) )
|
| + *++bp = 0;
|
| + }
|
| +
|
| + /* If any line has not enough columns, */
|
| + /* indicate they have been padded with zero bits. */
|
| + if ( i < nibbles &&
|
| + !( p->flags & _BDF_GLYPH_WIDTH_CHECK ) )
|
| + {
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG16, glyph->encoding ));
|
| + p->flags |= _BDF_GLYPH_WIDTH_CHECK;
|
| + font->modified = 1;
|
| + }
|
| +
|
| + /* Remove possible garbage at the right. */
|
| + mask_index = ( glyph->bbx.width * p->font->bpp ) & 7;
|
| + if ( glyph->bbx.width )
|
| + *bp &= nibble_mask[mask_index];
|
| +
|
| + /* If any line has extra columns, indicate they have been removed. */
|
| + if ( i == nibbles &&
|
| + sbitset( hdigits, line[nibbles] ) &&
|
| + !( p->flags & _BDF_GLYPH_WIDTH_CHECK ) )
|
| + {
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG14, glyph->encoding ));
|
| + p->flags |= _BDF_GLYPH_WIDTH_CHECK;
|
| + font->modified = 1;
|
| + }
|
| +
|
| + p->row++;
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Expect the SWIDTH (scalable width) field next. */
|
| + if ( _bdf_strncmp( line, "SWIDTH", 6 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_ENCODING ) )
|
| + goto Missing_Encoding;
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + glyph->swidth = (unsigned short)_bdf_atoul( p->list.field[1], 0, 10 );
|
| + p->flags |= _BDF_SWIDTH;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Expect the DWIDTH (scalable width) field next. */
|
| + if ( _bdf_strncmp( line, "DWIDTH", 6 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_ENCODING ) )
|
| + goto Missing_Encoding;
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + glyph->dwidth = (unsigned short)_bdf_atoul( p->list.field[1], 0, 10 );
|
| +
|
| + if ( !( p->flags & _BDF_SWIDTH ) )
|
| + {
|
| + /* Missing SWIDTH field. Emit an auto correction message and set */
|
| + /* the scalable width from the device width. */
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG9, lineno ));
|
| +
|
| + glyph->swidth = (unsigned short)FT_MulDiv(
|
| + glyph->dwidth, 72000L,
|
| + (FT_Long)( font->point_size *
|
| + font->resolution_x ) );
|
| + }
|
| +
|
| + p->flags |= _BDF_DWIDTH;
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Expect the BBX field next. */
|
| + if ( _bdf_strncmp( line, "BBX", 3 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_ENCODING ) )
|
| + goto Missing_Encoding;
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + glyph->bbx.width = _bdf_atous( p->list.field[1], 0, 10 );
|
| + glyph->bbx.height = _bdf_atous( p->list.field[2], 0, 10 );
|
| + glyph->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
|
| + glyph->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
|
| +
|
| + /* Generate the ascent and descent of the character. */
|
| + glyph->bbx.ascent = (short)( glyph->bbx.height + glyph->bbx.y_offset );
|
| + glyph->bbx.descent = (short)( -glyph->bbx.y_offset );
|
| +
|
| + /* Determine the overall font bounding box as the characters are */
|
| + /* loaded so corrections can be done later if indicated. */
|
| + p->maxas = (short)FT_MAX( glyph->bbx.ascent, p->maxas );
|
| + p->maxds = (short)FT_MAX( glyph->bbx.descent, p->maxds );
|
| +
|
| + p->rbearing = (short)( glyph->bbx.width + glyph->bbx.x_offset );
|
| +
|
| + p->maxrb = (short)FT_MAX( p->rbearing, p->maxrb );
|
| + p->minlb = (short)FT_MIN( glyph->bbx.x_offset, p->minlb );
|
| + p->maxlb = (short)FT_MAX( glyph->bbx.x_offset, p->maxlb );
|
| +
|
| + if ( !( p->flags & _BDF_DWIDTH ) )
|
| + {
|
| + /* Missing DWIDTH field. Emit an auto correction message and set */
|
| + /* the device width to the glyph width. */
|
| + FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG10, lineno ));
|
| + glyph->dwidth = glyph->bbx.width;
|
| + }
|
| +
|
| + /* If the BDF_CORRECT_METRICS flag is set, then adjust the SWIDTH */
|
| + /* value if necessary. */
|
| + if ( p->opts->correct_metrics != 0 )
|
| + {
|
| + /* Determine the point size of the glyph. */
|
| + unsigned short sw = (unsigned short)FT_MulDiv(
|
| + glyph->dwidth, 72000L,
|
| + (FT_Long)( font->point_size *
|
| + font->resolution_x ) );
|
| +
|
| +
|
| + if ( sw != glyph->swidth )
|
| + {
|
| + glyph->swidth = sw;
|
| +
|
| + if ( p->glyph_enc == -1 )
|
| + _bdf_set_glyph_modified( font->umod,
|
| + font->unencoded_used - 1 );
|
| + else
|
| + _bdf_set_glyph_modified( font->nmod, glyph->encoding );
|
| +
|
| + p->flags |= _BDF_SWIDTH_ADJ;
|
| + font->modified = 1;
|
| + }
|
| + }
|
| +
|
| + p->flags |= _BDF_BBX;
|
| + goto Exit;
|
| + }
|
| +
|
| + /* And finally, gather up the bitmap. */
|
| + if ( _bdf_strncmp( line, "BITMAP", 6 ) == 0 )
|
| + {
|
| + unsigned long bitmap_size;
|
| +
|
| +
|
| + if ( !( p->flags & _BDF_BBX ) )
|
| + {
|
| + /* Missing BBX field. */
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "BBX" ));
|
| + error = FT_THROW( Missing_Bbx_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Allocate enough space for the bitmap. */
|
| + glyph->bpr = ( glyph->bbx.width * p->font->bpp + 7 ) >> 3;
|
| +
|
| + bitmap_size = glyph->bpr * glyph->bbx.height;
|
| + if ( glyph->bpr > 0xFFFFU || bitmap_size > 0xFFFFU )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG4, lineno ));
|
| + error = FT_THROW( Bbx_Too_Big );
|
| + goto Exit;
|
| + }
|
| + else
|
| + glyph->bytes = (unsigned short)bitmap_size;
|
| +
|
| + if ( FT_NEW_ARRAY( glyph->bitmap, glyph->bytes ) )
|
| + goto Exit;
|
| +
|
| + p->row = 0;
|
| + p->flags |= _BDF_BITMAP;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG9, lineno ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| + goto Exit;
|
| +
|
| + Missing_Encoding:
|
| + /* Missing ENCODING field. */
|
| + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENCODING" ));
|
| + error = FT_THROW( Missing_Encoding_Field );
|
| +
|
| + Exit:
|
| + if ( error && ( p->flags & _BDF_GLYPH ) )
|
| + FT_FREE( p->glyph_name );
|
| +
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /* Load the font properties. */
|
| + static FT_Error
|
| + _bdf_parse_properties( char* line,
|
| + unsigned long linelen,
|
| + unsigned long lineno,
|
| + void* call_data,
|
| + void* client_data )
|
| + {
|
| + unsigned long vlen;
|
| + _bdf_line_func_t* next;
|
| + _bdf_parse_t* p;
|
| + char* name;
|
| + char* value;
|
| + char nbuf[128];
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_UNUSED( lineno );
|
| +
|
| +
|
| + next = (_bdf_line_func_t *)call_data;
|
| + p = (_bdf_parse_t *) client_data;
|
| +
|
| + /* Check for the end of the properties. */
|
| + if ( _bdf_strncmp( line, "ENDPROPERTIES", 13 ) == 0 )
|
| + {
|
| + /* If the FONT_ASCENT or FONT_DESCENT properties have not been */
|
| + /* encountered yet, then make sure they are added as properties and */
|
| + /* make sure they are set from the font bounding box info. */
|
| + /* */
|
| + /* This is *always* done regardless of the options, because X11 */
|
| + /* requires these two fields to compile fonts. */
|
| + if ( bdf_get_font_property( p->font, "FONT_ASCENT" ) == 0 )
|
| + {
|
| + p->font->font_ascent = p->font->bbx.ascent;
|
| + ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
|
| + error = _bdf_add_property( p->font, (char *)"FONT_ASCENT",
|
| + nbuf, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + if ( bdf_get_font_property( p->font, "FONT_DESCENT" ) == 0 )
|
| + {
|
| + p->font->font_descent = p->font->bbx.descent;
|
| + ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
|
| + error = _bdf_add_property( p->font, (char *)"FONT_DESCENT",
|
| + nbuf, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + p->flags &= ~_BDF_PROPS;
|
| + *next = _bdf_parse_glyphs;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Ignore the _XFREE86_GLYPH_RANGES properties. */
|
| + if ( _bdf_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 )
|
| + goto Exit;
|
| +
|
| + /* Handle COMMENT fields and properties in a special way to preserve */
|
| + /* the spacing. */
|
| + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
|
| + {
|
| + name = value = line;
|
| + value += 7;
|
| + if ( *value )
|
| + *value++ = 0;
|
| + error = _bdf_add_property( p->font, name, value, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| + else if ( _bdf_is_atom( line, linelen, &name, &value, p->font ) )
|
| + {
|
| + error = _bdf_add_property( p->font, name, value, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| + else
|
| + {
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| + name = p->list.field[0];
|
| +
|
| + _bdf_list_shift( &p->list, 1 );
|
| + value = _bdf_list_join( &p->list, ' ', &vlen );
|
| +
|
| + error = _bdf_add_property( p->font, name, value, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /* Load the font header. */
|
| + static FT_Error
|
| + _bdf_parse_start( char* line,
|
| + unsigned long linelen,
|
| + unsigned long lineno,
|
| + void* call_data,
|
| + void* client_data )
|
| + {
|
| + unsigned long slen;
|
| + _bdf_line_func_t* next;
|
| + _bdf_parse_t* p;
|
| + bdf_font_t* font;
|
| + char *s;
|
| +
|
| + FT_Memory memory = NULL;
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| + FT_UNUSED( lineno ); /* only used in debug mode */
|
| +
|
| +
|
| + next = (_bdf_line_func_t *)call_data;
|
| + p = (_bdf_parse_t *) client_data;
|
| +
|
| + if ( p->font )
|
| + memory = p->font->memory;
|
| +
|
| + /* Check for a comment. This is done to handle those fonts that have */
|
| + /* comments before the STARTFONT line for some reason. */
|
| + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
|
| + {
|
| + if ( p->opts->keep_comments != 0 && p->font != 0 )
|
| + {
|
| + linelen -= 7;
|
| +
|
| + s = line + 7;
|
| + if ( *s != 0 )
|
| + {
|
| + s++;
|
| + linelen--;
|
| + }
|
| +
|
| + error = _bdf_add_comment( p->font, s, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| + /* here font is not defined! */
|
| + }
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + if ( !( p->flags & _BDF_START ) )
|
| + {
|
| + memory = p->memory;
|
| +
|
| + if ( _bdf_strncmp( line, "STARTFONT", 9 ) != 0 )
|
| + {
|
| + /* we don't emit an error message since this code gets */
|
| + /* explicitly caught one level higher */
|
| + error = FT_THROW( Missing_Startfont_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + p->flags = _BDF_START;
|
| + font = p->font = 0;
|
| +
|
| + if ( FT_NEW( font ) )
|
| + goto Exit;
|
| + p->font = font;
|
| +
|
| + font->memory = p->memory;
|
| + p->memory = 0;
|
| +
|
| + { /* setup */
|
| + size_t i;
|
| + bdf_property_t* prop;
|
| +
|
| +
|
| + error = hash_init( &(font->proptbl), memory );
|
| + if ( error )
|
| + goto Exit;
|
| + for ( i = 0, prop = (bdf_property_t*)_bdf_properties;
|
| + i < _num_bdf_properties; i++, prop++ )
|
| + {
|
| + error = hash_insert( prop->name, i,
|
| + &(font->proptbl), memory );
|
| + if ( error )
|
| + goto Exit;
|
| + }
|
| + }
|
| +
|
| + if ( FT_ALLOC( p->font->internal, sizeof ( hashtable ) ) )
|
| + goto Exit;
|
| + error = hash_init( (hashtable *)p->font->internal,memory );
|
| + if ( error )
|
| + goto Exit;
|
| + p->font->spacing = p->opts->font_spacing;
|
| + p->font->default_char = -1;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the start of the properties. */
|
| + if ( _bdf_strncmp( line, "STARTPROPERTIES", 15 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_FONT_BBX ) )
|
| + {
|
| + /* Missing the FONTBOUNDINGBOX field. */
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONTBOUNDINGBOX" ));
|
| + error = FT_THROW( Missing_Fontboundingbox_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| + /* at this point, `p->font' can't be NULL */
|
| + p->cnt = p->font->props_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
| +
|
| + if ( FT_NEW_ARRAY( p->font->props, p->cnt ) )
|
| + {
|
| + p->font->props_size = 0;
|
| + goto Exit;
|
| + }
|
| +
|
| + p->flags |= _BDF_PROPS;
|
| + *next = _bdf_parse_properties;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the FONTBOUNDINGBOX field. */
|
| + if ( _bdf_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_SIZE ) )
|
| + {
|
| + /* Missing the SIZE field. */
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "SIZE" ));
|
| + error = FT_THROW( Missing_Size_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + p->font->bbx.width = _bdf_atous( p->list.field[1], 0, 10 );
|
| + p->font->bbx.height = _bdf_atous( p->list.field[2], 0, 10 );
|
| +
|
| + p->font->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
|
| + p->font->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
|
| +
|
| + p->font->bbx.ascent = (short)( p->font->bbx.height +
|
| + p->font->bbx.y_offset );
|
| +
|
| + p->font->bbx.descent = (short)( -p->font->bbx.y_offset );
|
| +
|
| + p->flags |= _BDF_FONT_BBX;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* The next thing to check for is the FONT field. */
|
| + if ( _bdf_strncmp( line, "FONT", 4 ) == 0 )
|
| + {
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| + _bdf_list_shift( &p->list, 1 );
|
| +
|
| + s = _bdf_list_join( &p->list, ' ', &slen );
|
| +
|
| + if ( !s )
|
| + {
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG8, lineno, "FONT" ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Allowing multiple `FONT' lines (which is invalid) doesn't hurt... */
|
| + FT_FREE( p->font->name );
|
| +
|
| + if ( FT_NEW_ARRAY( p->font->name, slen + 1 ) )
|
| + goto Exit;
|
| + FT_MEM_COPY( p->font->name, s, slen + 1 );
|
| +
|
| + /* If the font name is an XLFD name, set the spacing to the one in */
|
| + /* the font name. If there is no spacing fall back on the default. */
|
| + error = _bdf_set_default_spacing( p->font, p->opts, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + p->flags |= _BDF_FONT_NAME;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the SIZE field. */
|
| + if ( _bdf_strncmp( line, "SIZE", 4 ) == 0 )
|
| + {
|
| + if ( !( p->flags & _BDF_FONT_NAME ) )
|
| + {
|
| + /* Missing the FONT field. */
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONT" ));
|
| + error = FT_THROW( Missing_Font_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
| + if ( error )
|
| + goto Exit;
|
| +
|
| + p->font->point_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
| + p->font->resolution_x = _bdf_atoul( p->list.field[2], 0, 10 );
|
| + p->font->resolution_y = _bdf_atoul( p->list.field[3], 0, 10 );
|
| +
|
| + /* Check for the bits per pixel field. */
|
| + if ( p->list.used == 5 )
|
| + {
|
| + unsigned short bpp;
|
| +
|
| +
|
| + bpp = (unsigned short)_bdf_atos( p->list.field[4], 0, 10 );
|
| +
|
| + /* Only values 1, 2, 4, 8 are allowed for greymap fonts. */
|
| + if ( bpp > 4 )
|
| + p->font->bpp = 8;
|
| + else if ( bpp > 2 )
|
| + p->font->bpp = 4;
|
| + else if ( bpp > 1 )
|
| + p->font->bpp = 2;
|
| + else
|
| + p->font->bpp = 1;
|
| +
|
| + if ( p->font->bpp != bpp )
|
| + FT_TRACE2(( "_bdf_parse_start: " ACMSG11, p->font->bpp ));
|
| + }
|
| + else
|
| + p->font->bpp = 1;
|
| +
|
| + p->flags |= _BDF_SIZE;
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Check for the CHARS field -- font properties are optional */
|
| + if ( _bdf_strncmp( line, "CHARS", 5 ) == 0 )
|
| + {
|
| + char nbuf[128];
|
| +
|
| +
|
| + if ( !( p->flags & _BDF_FONT_BBX ) )
|
| + {
|
| + /* Missing the FONTBOUNDINGBOX field. */
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONTBOUNDINGBOX" ));
|
| + error = FT_THROW( Missing_Fontboundingbox_Field );
|
| + goto Exit;
|
| + }
|
| +
|
| + /* Add the two standard X11 properties which are required */
|
| + /* for compiling fonts. */
|
| + p->font->font_ascent = p->font->bbx.ascent;
|
| + ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
|
| + error = _bdf_add_property( p->font, (char *)"FONT_ASCENT",
|
| + nbuf, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| + FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
|
| +
|
| + p->font->font_descent = p->font->bbx.descent;
|
| + ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
|
| + error = _bdf_add_property( p->font, (char *)"FONT_DESCENT",
|
| + nbuf, lineno );
|
| + if ( error )
|
| + goto Exit;
|
| + FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
|
| +
|
| + p->font->modified = 1;
|
| +
|
| + *next = _bdf_parse_glyphs;
|
| +
|
| + /* A special return value. */
|
| + error = -1;
|
| + goto Exit;
|
| + }
|
| +
|
| + FT_ERROR(( "_bdf_parse_start: " ERRMSG9, lineno ));
|
| + error = FT_THROW( Invalid_File_Format );
|
| +
|
| + Exit:
|
| + return error;
|
| + }
|
| +
|
| +
|
| + /*************************************************************************/
|
| + /* */
|
| + /* API. */
|
| + /* */
|
| + /*************************************************************************/
|
| +
|
| +
|
| + FT_LOCAL_DEF( FT_Error )
|
| + bdf_load_font( FT_Stream stream,
|
| + FT_Memory extmemory,
|
| + bdf_options_t* opts,
|
| + bdf_font_t* *font )
|
| + {
|
| + unsigned long lineno = 0; /* make compiler happy */
|
| + _bdf_parse_t *p = NULL;
|
| +
|
| + FT_Memory memory = extmemory; /* needed for FT_NEW */
|
| + FT_Error error = FT_Err_Ok;
|
| +
|
| +
|
| + if ( FT_NEW( p ) )
|
| + goto Exit;
|
| +
|
| + memory = NULL;
|
| + p->opts = (bdf_options_t*)( ( opts != 0 ) ? opts : &_bdf_opts );
|
| + p->minlb = 32767;
|
| + p->size = stream->size;
|
| + p->memory = extmemory; /* only during font creation */
|
| +
|
| + _bdf_list_init( &p->list, extmemory );
|
| +
|
| + error = _bdf_readstream( stream, _bdf_parse_start,
|
| + (void *)p, &lineno );
|
| + if ( error )
|
| + goto Fail;
|
| +
|
| + if ( p->font != 0 )
|
| + {
|
| + /* If the font is not proportional, set the font's monowidth */
|
| + /* field to the width of the font bounding box. */
|
| +
|
| + if ( p->font->spacing != BDF_PROPORTIONAL )
|
| + p->font->monowidth = p->font->bbx.width;
|
| +
|
| + /* If the number of glyphs loaded is not that of the original count, */
|
| + /* indicate the difference. */
|
| + if ( p->cnt != p->font->glyphs_used + p->font->unencoded_used )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG15, p->cnt,
|
| + p->font->glyphs_used + p->font->unencoded_used ));
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + /* Once the font has been loaded, adjust the overall font metrics if */
|
| + /* necessary. */
|
| + if ( p->opts->correct_metrics != 0 &&
|
| + ( p->font->glyphs_used > 0 || p->font->unencoded_used > 0 ) )
|
| + {
|
| + if ( p->maxrb - p->minlb != p->font->bbx.width )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG3,
|
| + p->font->bbx.width, p->maxrb - p->minlb ));
|
| + p->font->bbx.width = (unsigned short)( p->maxrb - p->minlb );
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + if ( p->font->bbx.x_offset != p->minlb )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG4,
|
| + p->font->bbx.x_offset, p->minlb ));
|
| + p->font->bbx.x_offset = p->minlb;
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + if ( p->font->bbx.ascent != p->maxas )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG5,
|
| + p->font->bbx.ascent, p->maxas ));
|
| + p->font->bbx.ascent = p->maxas;
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + if ( p->font->bbx.descent != p->maxds )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG6,
|
| + p->font->bbx.descent, p->maxds ));
|
| + p->font->bbx.descent = p->maxds;
|
| + p->font->bbx.y_offset = (short)( -p->maxds );
|
| + p->font->modified = 1;
|
| + }
|
| +
|
| + if ( p->maxas + p->maxds != p->font->bbx.height )
|
| + {
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG7,
|
| + p->font->bbx.height, p->maxas + p->maxds ));
|
| + p->font->bbx.height = (unsigned short)( p->maxas + p->maxds );
|
| + }
|
| +
|
| + if ( p->flags & _BDF_SWIDTH_ADJ )
|
| + FT_TRACE2(( "bdf_load_font: " ACMSG8 ));
|
| + }
|
| + }
|
| +
|
| + if ( p->flags & _BDF_START )
|
| + {
|
| + /* The ENDFONT field was never reached or did not exist. */
|
| + if ( !( p->flags & _BDF_GLYPHS ) )
|
| + {
|
| + /* Error happened while parsing header. */
|
| + FT_ERROR(( "bdf_load_font: " ERRMSG2, lineno ));
|
| + error = FT_THROW( Corrupted_Font_Header );
|
| + goto Fail;
|
| + }
|
| + else
|
| + {
|
| + /* Error happened when parsing glyphs. */
|
| + FT_ERROR(( "bdf_load_font: " ERRMSG3, lineno ));
|
| + error = FT_THROW( Corrupted_Font_Glyphs );
|
| + goto Fail;
|
| + }
|
| + }
|
| +
|
| + if ( p->font != 0 )
|
| + {
|
| + /* Make sure the comments are NULL terminated if they exist. */
|
| + memory = p->font->memory;
|
| +
|
| + if ( p->font->comments_len > 0 )
|
| + {
|
| + if ( FT_RENEW_ARRAY( p->font->comments,
|
| + p->font->comments_len,
|
| + p->font->comments_len + 1 ) )
|
| + goto Fail;
|
| +
|
| + p->font->comments[p->font->comments_len] = 0;
|
| + }
|
| + }
|
| + else if ( error == FT_Err_Ok )
|
| + error = FT_THROW( Invalid_File_Format );
|
| +
|
| + *font = p->font;
|
| +
|
| + Exit:
|
| + if ( p )
|
| + {
|
| + _bdf_list_done( &p->list );
|
| +
|
| + memory = extmemory;
|
| +
|
| + FT_FREE( p->glyph_name );
|
| + FT_FREE( p );
|
| + }
|
| +
|
| + return error;
|
| +
|
| + Fail:
|
| + bdf_free_font( p->font );
|
| +
|
| + memory = extmemory;
|
| +
|
| + FT_FREE( p->font );
|
| +
|
| + goto Exit;
|
| + }
|
| +
|
| +
|
| + FT_LOCAL_DEF( void )
|
| + bdf_free_font( bdf_font_t* font )
|
| + {
|
| + bdf_property_t* prop;
|
| + unsigned long i;
|
| + bdf_glyph_t* glyphs;
|
| + FT_Memory memory;
|
| +
|
| +
|
| + if ( font == 0 )
|
| + return;
|
| +
|
| + memory = font->memory;
|
| +
|
| + FT_FREE( font->name );
|
| +
|
| + /* Free up the internal hash table of property names. */
|
| + if ( font->internal )
|
| + {
|
| + hash_free( (hashtable *)font->internal, memory );
|
| + FT_FREE( font->internal );
|
| + }
|
| +
|
| + /* Free up the comment info. */
|
| + FT_FREE( font->comments );
|
| +
|
| + /* Free up the properties. */
|
| + for ( i = 0; i < font->props_size; i++ )
|
| + {
|
| + if ( font->props[i].format == BDF_ATOM )
|
| + FT_FREE( font->props[i].value.atom );
|
| + }
|
| +
|
| + FT_FREE( font->props );
|
| +
|
| + /* Free up the character info. */
|
| + for ( i = 0, glyphs = font->glyphs;
|
| + i < font->glyphs_used; i++, glyphs++ )
|
| + {
|
| + FT_FREE( glyphs->name );
|
| + FT_FREE( glyphs->bitmap );
|
| + }
|
| +
|
| + for ( i = 0, glyphs = font->unencoded; i < font->unencoded_used;
|
| + i++, glyphs++ )
|
| + {
|
| + FT_FREE( glyphs->name );
|
| + FT_FREE( glyphs->bitmap );
|
| + }
|
| +
|
| + FT_FREE( font->glyphs );
|
| + FT_FREE( font->unencoded );
|
| +
|
| + /* Free up the overflow storage if it was used. */
|
| + for ( i = 0, glyphs = font->overflow.glyphs;
|
| + i < font->overflow.glyphs_used; i++, glyphs++ )
|
| + {
|
| + FT_FREE( glyphs->name );
|
| + FT_FREE( glyphs->bitmap );
|
| + }
|
| +
|
| + FT_FREE( font->overflow.glyphs );
|
| +
|
| + /* bdf_cleanup */
|
| + hash_free( &(font->proptbl), memory );
|
| +
|
| + /* Free up the user defined properties. */
|
| + for ( prop = font->user_props, i = 0;
|
| + i < font->nuser_props; i++, prop++ )
|
| + {
|
| + FT_FREE( prop->name );
|
| + if ( prop->format == BDF_ATOM )
|
| + FT_FREE( prop->value.atom );
|
| + }
|
| +
|
| + FT_FREE( font->user_props );
|
| +
|
| + /* FREE( font ); */ /* XXX Fixme */
|
| + }
|
| +
|
| +
|
| + FT_LOCAL_DEF( bdf_property_t * )
|
| + bdf_get_font_property( bdf_font_t* font,
|
| + const char* name )
|
| + {
|
| + hashnode hn;
|
| +
|
| +
|
| + if ( font == 0 || font->props_size == 0 || name == 0 || *name == 0 )
|
| + return 0;
|
| +
|
| + hn = hash_lookup( name, (hashtable *)font->internal );
|
| +
|
| + return hn ? ( font->props + hn->data ) : 0;
|
| + }
|
| +
|
| +
|
| +/* END */
|
|
|