par BDF font utils for BDF to C code converter Displays fonts generated by bdffont2c BDF to C code converter BDF = Glyph Bitmap Distribution Format The code handles fixed, proportional and bounding box format fonts More...

Macros
#define	MATCH(a, b) ( ( strcmp(a,b) == 0 ) ? 1 : 0 )

#define	MAXLINE 1024

Functions
void *	db_calloc (size_t size)
	calloc memory or error exit More...

void *	db_free (void *p)
	free memory More...

char *	stralloc (char *str)
	Allocate space for string. More...

char *	remove_quotes (char *str)
	STrip quotes from string and leading spaces. More...

void	line_wrap (char *str, int max)
	Line wrap function ASSUMES we write back into the string (replace space or tab with newlines. More...

void	trim_tail (char *str)
	Trim White space and control characters from end of string. More...

char *	skip_spaces (char *str)
	Skip spaces at start of string. More...

char *	get_token (char str, char token, int max)
	return next token More...

int	ishex (int c)
	is a character hex ASCII character More...

int	ishexstr (char *str)
	Does a string only contain hex characters ? More...

char *	match_token (char str, char pat)
	Match next token against pattern. More...

void	FontHeaderInfo (FILE out, _font font, char prog, char target)
	Write Font Header Information Copyright, font family, etc. More...

void	Convert_Font2c (FILE out, _font font)
	Convert font to C structure Writes header information, font specification, font bitmap. More...

void	emit_number (FILE out, char name, int num)
	Write Font Structure element as a number. More...

void	emit_data (FILE out, char name, unsigned char *data, int size)
	Write Font Structure element as a uint8_t value. More...

void	emit_str (FILE out, char name, unsigned char *data)
	Write Font Structure string. More...

void	InitNames (void)
	Reset File and Structure names. More...

void	InitFonts (_font *font)
	Initialize all font structures to reset states. More...

void	FreeFont (_font *font)
	Free font data. More...

void	AddFontName (_font *font)
	Generate the font name for this font This is based on the BDF FAMILY_NAME,WEIGHT_NAME,SLANT keywords. More...

int	FindFontName (char *str)
	Search for a font name. More...

void	WriteFontBits (FILE out, _font font)
	Write Font bitmap data for all characters in a font. More...

void	WriteFontInfo (FILE out, _font font)
	Write C Header: Font Information Summary. More...

void	WriteFontTable (FILE out, _font font)
	Write Specification Font Table. More...

void	WriteCharacterBits (FILE out, _font font, int num)
	Write Font bitmap data for one charactre. More...

int	ReadBdf (char name, _font font, int lower, int upper)
	Read and parse a BDF file for specified font and character set range Fills fonts structures. More...

void	AdjustFontTable (_font *font)
	Adjust Font X Y offset, renormalize X Y to 0 0 Also readjust font bounding box. More...

void	FontAdjustFull (_font *font)
	Adjust font to full size with no offset. More...

void	FontAdjustSmall (_font *font)
	Ajust font to use smallest font bounding box for each font Can be used to converting large fixed fonts to more compact form Creates font->specs if missing. Updates font->specs with new font size and offsets Can convert fixed to proportional or optimize bounding box to smallest size for space savings. More...

void	ComputeGapSize (_font *font)
	Find a good gap size (inter-character spacing) for any font Currently we searching for the smallest width feature in a font set and use it as the gap Set update font->gap FIXME Alternatively we may wish to consider scanning characters only in their middle (virtically) center. More...

void	bsetv (unsigned char *ptr, int addr)
	bit set in byte array More...

void	bclrv (unsigned char *ptr, int addr)
	bit clear in byte array More...

int	btestv (unsigned char *ptr, int addr)
	Test bit in byte array. More...

int	bittestxy (unsigned char *ptr, int x, int y, int w, int h)
	Test bit in w * h size bit array usng x and y offsets. More...

void	bitsetxy (unsigned char *ptr, int x, int y, int w, int h)
	Set bit in width * height size bit array usng x and y offsets. More...

void	bitclrxy (unsigned char *ptr, int x, int y, int width, int height)
	Clear bit in width * height size bit array usng x and y offsets. More...

void	FontPreview (FILE out, _font font, int num)
	Write Font Preview bit bounding box in ASCII character comments. More...

void	FontPreviewFull (FILE out, _font font, int num)
	Write Font Preview as full format in ASCII character comments. More...

void	FontPreviewProportional (FILE out, _font font, int num)
	Write Font Preview as proportional format in ASCII character comments. More...

void	WriteFontBitsPreview (FILE out, _font font, int preview)
	Write all Font characters in a font as ASCII character comments. More...

Variables
_font	font

_bdffile	BDFnames [MAXFONTS]

char *	fnames [MAXFONTS]

Detailed Description

par BDF font utils for BDF to C code converter Displays fonts generated by bdffont2c BDF to C code converter BDF = Glyph Bitmap Distribution Format The code handles fixed, proportional and bounding box format fonts

See also: http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format

Copyright © 2015 Mike Gore, GPL License

You are free to use this code under the terms of GPL: please retain a copy of this notice in any code you use it in.

This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file bdffontutil.h.

Macro Definition Documentation

#define MATCH	(	a,
		b
	)	( ( strcmp(a,b) == 0 ) ? 1 : 0 )

BDF = Glyph Bitmap Distribution Format See: http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format

Definition at line 39 of file bdffontutil.h.

Referenced by fatfs_tests(), ls(), mkfs(), posix_tests(), and ReadBdf().

#define MAXLINE 1024

Definition at line 40 of file bdffontutil.h.

Referenced by AddFontName(), main(), and ReadBdf().

Function Documentation

void AddFontName ( _font * font )

Generate the font name for this font This is based on the BDF FAMILY_NAME,WEIGHT_NAME,SLANT keywords.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 582 of file bdffontutil.c.

Referenced by ReadBdf().

void AdjustFontTable ( _font * font )

Adjust Font X Y offset, renormalize X Y to 0 0 Also readjust font bounding box.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 1191 of file bdffontutil.c.

Referenced by FontAdjustSmall(), and ReadBdf().

void bclrv	(	unsigned char *	ptr,
		int	addr
	)

bit clear in byte array

Parameters

[in]	*ptr	byte array
[in]	addr	bit offset to clear

Returns: void

Definition at line 1639 of file bdffontutil.c.

void bitclrxy	(	unsigned char *	ptr,
		int	x,
		int	y,
		int	width,
		int	height
	)

Clear bit in width * height size bit array usng x and y offsets.

Parameters

[in]	*ptr	byte array
[in]	x	bit x offset
[in]	y	bit y offset
[in]	width	width of bit array
[in]	height	height of bit array

Returns: void

Definition at line 1726 of file bdffontutil.c.

Referenced by FontAdjustFull(), and ReadBdf().

void bitsetxy	(	unsigned char *	ptr,
		int	x,
		int	y,
		int	w,
		int	h
	)

Set bit in width * height size bit array usng x and y offsets.

Parameters

[in]	*ptr	byte array
[in]	x	bit x offset
[in]	y	bit y offset
[in]	w	width of bit array
[in]	h	height of bit array

Returns: void

Definition at line 1698 of file bdffontutil.c.

Referenced by FontAdjustFull(), FontAdjustSmall(), and ReadBdf().

int bittestxy	(	unsigned char *	ptr,
		int	x,
		int	y,
		int	w,
		int	h
	)

Test bit in w * h size bit array usng x and y offsets.

Parameters

[in]	*ptr	byte array
[in]	x	bit x offset
[in]	y	bit y offset
[in]	w	bit array wide
[in]	h	bit array high

Returns: 1 if bit is set, 0 if not

Test bit in w * h size bit array usng x and y offsets.

Parameters

[in]	*ptr	byte array
[in]	x	bit x offset
[in]	y	bit y offset
[in]	w	the width of bit array
[in]	h	the height of bit array

Returns: 1 if bit is set, 0 if not

Definition at line 166 of file flash.c.

Referenced by ComputeGapSize(), FontAdjustFull(), FontAdjustSmall(), FontPreview(), FontPreviewFull(), and FontPreviewProportional().

void bsetv	(	unsigned char *	ptr,
		int	addr
	)

bit set in byte array

Parameters

[in]	*ptr	byte array
[in]	addr	bit offset to clear

Returns: void

Definition at line 1625 of file bdffontutil.c.

int btestv	(	unsigned char *	ptr,
		int	addr
	)

Test bit in byte array.

Parameters

[in]	*ptr	byte array
[in]	addr	bit offset to clear

Returns: 1 if bit is set, 0 if not

Definition at line 1653 of file bdffontutil.c.

void ComputeGapSize ( _font * font )

Find a good gap size (inter-character spacing) for any font Currently we searching for the smallest width feature in a font set and use it as the gap Set update font->gap FIXME Alternatively we may wish to consider scanning characters only in their middle (virtically) center.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 1524 of file bdffontutil.c.

Referenced by main(), and ReadBdf().

void Convert_Font2c	(	FILE *	out,
		_font *	font
	)

Convert font to C structure Writes header information, font specification, font bitmap.

Parameters

[in]	*out	File handle
[in]	*font	Font handle

Returns: : void

Definition at line 365 of file bdffontutil.c.

Referenced by main().

void* db_calloc ( size_t size )

calloc memory or error exit

Parameters

[in] size memory size to calloc

Returns: : void * pointer

Definition at line 62 of file bdffontutil.c.

Referenced by FontAdjustFull(), FontAdjustSmall(), InitFonts(), ReadBdf(), and stralloc().

void* db_free ( void * p )

free memory

Parameters

[in] *p memory pointer to free

Returns: : void * pointer

Definition at line 78 of file bdffontutil.c.

Referenced by FontAdjustFull(), FontAdjustSmall(), and FreeFont().

void emit_data	(	FILE *	out,
		char *	name,
		unsigned char *	data,
		int	size
	)

Write Font Structure element as a uint8_t value.

Parameters

[in]	*out	File handle
[in]	*name	structure name
[in]	*data	data
[in]	size	size of data to write

Returns: : void

Definition at line 457 of file bdffontutil.c.

void emit_number	(	FILE *	out,
		char *	name,
		int	num
	)

Write Font Structure element as a number.

Parameters

[in]	*out	File output handle
[in]	*name	number structure name
[in]	num	number to display

Returns: : void

Definition at line 442 of file bdffontutil.c.

Referenced by Convert_Font2c().

void emit_str	(	FILE *	out,
		char *	name,
		unsigned char *	data
	)

Write Font Structure string.

Parameters

[in]	*out	File handle
[in]	*name	structure name
[in]	*data	string

Returns: : void

Definition at line 478 of file bdffontutil.c.

Referenced by WriteFontInfo().

int FindFontName ( char * str )

Search for a font name.

Returns: : index into BDFnames[]

Definition at line 611 of file bdffontutil.c.

Referenced by main().

void FontAdjustFull ( _font * font )

Adjust font to full size with no offset.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 1240 of file bdffontutil.c.

Referenced by main().

void FontAdjustSmall ( _font * font )

Ajust font to use smallest font bounding box for each font Can be used to converting large fixed fonts to more compact form Creates font->specs if missing. Updates font->specs with new font size and offsets Can convert fixed to proportional or optimize bounding box to smallest size for space savings.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 1325 of file bdffontutil.c.

Referenced by main().

void FontHeaderInfo	(	FILE *	out,
		_font *	font,
		char *	prog,
		char *	target
	)

Write Font Header Information Copyright, font family, etc.

Parameters

[in]	*out	File handle
[in]	*font	Font handle
[in]	*prog	program name
[in]	*target	file name comments

Returns: : void

Definition at line 323 of file bdffontutil.c.

Referenced by main().

void FontPreview	(	FILE *	out,
		_font *	font,
		int	num
	)

Write Font Preview bit bounding box in ASCII character comments.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer
[in]	num	Font character

Returns: : void

Definition at line 1753 of file bdffontutil.c.

Referenced by WriteFontBitsPreview().

void FontPreviewFull	(	FILE *	out,
		_font *	font,
		int	num
	)

Write Font Preview as full format in ASCII character comments.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer
[in]	num	Font character

Returns: : void

Definition at line 1836 of file bdffontutil.c.

Referenced by WriteFontBitsPreview().

void FontPreviewProportional	(	FILE *	out,
		_font *	font,
		int	num
	)

Write Font Preview as proportional format in ASCII character comments.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer
[in]	num	Font character

Returns: : void

Definition at line 1938 of file bdffontutil.c.

Referenced by WriteFontBitsPreview().

void FreeFont ( _font * font )

Free font data.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 554 of file bdffontutil.c.

Referenced by main().

char* get_token	(	char *	str,
		char *	token,
		int	max
	)

return next token

Skips all non printable ASCII characters before token
Token returns only printable ASCII

Parameters

[in]	str	string to search.
[out]	token	token to return
[in]	max	maximum token size

Returns: pointer past token on success .; NULL if no token found

return next token

Parameters

[in]	*str	string
[out]	*token	token characters greter then space less then 0x7f
[in]	max	maximum length of token

Returns: : string pointer to character after token

Definition at line 628 of file stringsup.c.

Referenced by ReadBdf().

void InitFonts ( _font * font )

Initialize all font structures to reset states.

Parameters

[in] *font Font pointer

Returns: : void

Definition at line 512 of file bdffontutil.c.

Referenced by ReadBdf().

void InitNames ( void )

Reset File and Structure names.

Returns: : void

Definition at line 491 of file bdffontutil.c.

int ishex ( int c )

is a character hex ASCII character

Parameters

[in] c character to test

Returns: : 0 .. 15 or -1 on error

Definition at line 247 of file bdffontutil.c.

Referenced by ishexstr(), and ReadBdf().

int ishexstr ( char * str )

Does a string only contain hex characters ?

Returns: : 1 if hex , 0 if not

Definition at line 262 of file bdffontutil.c.

Referenced by ReadBdf().

void line_wrap	(	char *	str,
		int	max
	)

Line wrap function ASSUMES we write back into the string (replace space or tab with newlines.

Parameters

[in]	*str	string to remove quotes from
[in]	max	Maximum string length

Returns: : void

Definition at line 141 of file bdffontutil.c.

char* match_token	(	char *	str,
		char *	pat
	)

Match next token against pattern.

Parameters

[in]	str	string to search
[in]	pat	pattern Skips spaces at start of string A token is any string with caracters greter then space less then 0x7f

Returns: : length of match on sucess

Definition at line 279 of file bdffontutil.c.

int ReadBdf	(	char *	name,
		_font *	font,
		int	lower,
		int	upper
	)

Read and parse a BDF file for specified font and character set range Fills fonts structures.

See also: : http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format

Parameters

[in]	*name	BDF File name
[in]	*font	Font pointer
[in]	lower	First character
[in]	upper	Last character

Returns: : number of characters processed

Definition at line 790 of file bdffontutil.c.

Referenced by main().

char* remove_quotes ( char * str )

STrip quotes from string and leading spaces.

Parameters

[in] *str string to remove quotes from

Returns: : char * pointer to first non-space character

Definition at line 109 of file bdffontutil.c.

Referenced by ReadBdf().

char* skip_spaces ( char * str )

Skip spaces at start of string.

Parameters

[in] *str string to remove quotes from

Returns: : first non space character

Definition at line 193 of file bdffontutil.c.

Referenced by get_token().

char* stralloc ( char * str )

Allocate space for string.

Copies tring into allocated space.

Parameters

[in] str user string.

Returns: pointer to alocated string.; NULL on out of memory.

Allocate space for string.

Parameters

[in] *str string to allocate and copy memory for

Returns: : char * pointer to allocated string

Definition at line 774 of file stringsup.c.

Referenced by AddFontName(), main(), and ReadBdf().

void trim_tail ( char * str )

Trim White space and control characters from end of string.

Parameters

[in] str string

Returns: void

Warning: Overwrites White space and control characters with EOS.

Trim White space and control characters from end of string.

Parameters

[in] *str string to remove quotes from

Returns: : void

Definition at line 271 of file stringsup.c.

Referenced by cat(), match_headers(), ReadBdf(), and remove_quotes().

void WriteCharacterBits	(	FILE *	out,
		_font *	font,
		int	num
	)

Write Font bitmap data for one charactre.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer
[in]	num	character number

Returns: : void

Definition at line 721 of file bdffontutil.c.

Referenced by WriteFontBits().

void WriteFontBits	(	FILE *	out,
		_font *	font
	)

Write Font bitmap data for all characters in a font.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer

Returns: : void

Definition at line 631 of file bdffontutil.c.

Referenced by Convert_Font2c(), and main().

void WriteFontBitsPreview	(	FILE *	out,
		_font *	font,
		int	preview
	)

Write all Font characters in a font as ASCII character comments.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer
[in]	preview	1 bit bounding box, 2 Full size, 3 proportional

Returns: : void

Definition at line 2040 of file bdffontutil.c.

Referenced by main().

void WriteFontInfo	(	FILE *	out,
		_font *	font
	)

Write C Header: Font Information Summary.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer

Returns: : void

Definition at line 654 of file bdffontutil.c.

Referenced by Convert_Font2c(), and main().

void WriteFontTable	(	FILE *	out,
		_font *	font
	)

Write Specification Font Table.

Parameters

[in]	*out	File handle
[in]	*font	Font pointer

Returns: : void

Definition at line 684 of file bdffontutil.c.

Referenced by Convert_Font2c(), and main().

Variable Documentation

_bdffile BDFnames[MAXFONTS]

BDF = Glyph Bitmap Distribution Format

See also: http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format

Definition at line 51 of file bdffontutil.c.

Referenced by main().

char* fnames[MAXFONTS]

Definition at line 53 of file bdffontutil.c.

Referenced by InitNames(), and main().

_font font

Referenced by font_H(), and font_W().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation