ft_font.c File Reference

#include <gpac/modules/font.h>
#include <gpac/list.h>
#include <gpac/utf.h>
#include <gpac/tools.h>
#include <ft2build.h>
#include <FT_FREETYPE_H>
#include <FT_GLYPH_H>
#include <FT_OUTLINE_H>
#include <FT_TRUETYPE_TABLES_H>

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Data Structures
struct	FTBuilder
struct	ft_outliner

Functions
static Bool	isBestFontFor (const char *listOfFonts[], const char *currentBestFont, const char *fontName)
void	setBestFont (const char *listOfFonts[], char **currentBestFont, const char *fontName)
static Bool	ft_enum_fonts (void *cbck, char *file_name, char *file_path)
static Bool	ft_enum_fonts_dir (void *cbck, char *file_name, char *file_path)
static void	ft_rescan_fonts (GF_FontReader *dr)
static GF_Err	ft_init_font_engine (GF_FontReader *dr)
static GF_Err	ft_shutdown_font_engine (GF_FontReader *dr)
static Bool	ft_check_face (FT_Face font, const char *fontName, u32 styles)
static FT_Face	ft_font_in_cache (FTBuilder *ft, const char *fontName, u32 styles)
static GF_Err	ft_set_font (GF_FontReader *dr, const char *OrigFontName, u32 styles)
static GF_Err	ft_get_font_info (GF_FontReader *dr, char **font_name, u32 *em_size, s32 *ascent, s32 *descent, s32 *underline, s32 *line_spacing, s32 *max_advance_h, s32 *max_advance_v)
static GF_Err	ft_get_glyphs (GF_FontReader *dr, const char *utf_string, u32 *glyph_buffer, u32 *io_glyph_buffer_size, const char *xml_lang, Bool *is_rtl)
static int	ft_move_to (const FT_Vector *to, void *user)
static int	ft_line_to (const FT_Vector *to, void *user)
static int	ft_conic_to (const FT_Vector *control, const FT_Vector *to, void *user)
static int	ft_cubic_to (const FT_Vector *c1, const FT_Vector *c2, const FT_Vector *to, void *user)
static GF_Glyph *	ft_load_glyph (GF_FontReader *dr, u32 glyph_name)
GF_FontReader *	ft_load ()
void	ft_delete (GF_BaseInterface *ifce)
const u32 *	QueryInterfaces ()
GF_BaseInterface *	LoadInterface (u32 InterfaceType)
void	ShutdownInterface (GF_BaseInterface *ifce)

Variables
static const char *	BEST_FIXED_FONTS []
static const char *	BEST_SERIF_FONTS []
static const char *	BEST_SANS_FONTS []

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Data Structure Documentation

struct FTBuilder

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Data Fields
FT_Library	library
FT_Face	active_face
char *	font_dir
GF_List *	loaded_fonts
char *	font_serif
char *	font_sans
char *	font_fixed

struct ft_outliner

Collaboration diagram for ft_outliner:

Data Fields
FTBuilder *	ftpriv
GF_Path *	path
s32	last_x
s32	last_y

Function Documentation

static Bool isBestFontFor ( const char *  listOfFonts[], const char *  currentBestFont, const char *  fontName  )

static

Choose the best font in the list of fonts

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void setBestFont	(	const char *	listOfFonts[],
		char **	currentBestFont,
		const char *	fontName
	)

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static Bool ft_enum_fonts ( void *  cbck, char *  file_name, char *  file_path  )

static

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static Bool ft_enum_fonts_dir ( void *  cbck, char *  file_name, char *  file_path  )

static

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static void ft_rescan_fonts ( GF_FontReader *  dr )

static

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static GF_Err ft_init_font_engine ( GF_FontReader *  dr )

static

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static GF_Err ft_shutdown_font_engine ( GF_FontReader *  dr )

static

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static Bool ft_check_face ( FT_Face  font, const char *  fontName, u32  styles  )

static

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static FT_Face ft_font_in_cache ( FTBuilder *  ft, const char *  fontName, u32  styles  )

static

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static GF_Err ft_set_font ( GF_FontReader *  dr, const char *  OrigFontName, u32  styles  )

static

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static GF_Err ft_get_font_info ( GF_FontReader *  dr, char **  font_name, u32 *  em_size, s32 *  ascent, s32 *  descent, s32 *  underline, s32 *  line_spacing, s32 *  max_advance_h, s32 *  max_advance_v  )

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static GF_Err ft_get_glyphs ( GF_FontReader *  dr, const char *  utf_string, u32 *  glyph_buffer, u32 *  io_glyph_buffer_size, const char *  xml_lang, Bool *  is_rtl  )

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static int ft_move_to ( const FT_Vector *  to, void *  user  )

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static int ft_line_to ( const FT_Vector *  to, void *  user  )

static

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static int ft_conic_to ( const FT_Vector *  control, const FT_Vector *  to, void *  user  )

static

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static int ft_cubic_to ( const FT_Vector *  c1, const FT_Vector *  c2, const FT_Vector *  to, void *  user  )

static

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static GF_Glyph* ft_load_glyph ( GF_FontReader *  dr, u32  glyph_name  )

static

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GF_FontReader* ft_load

(

)

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void ft_delete

(

GF_BaseInterface *

ifce

)

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const u32* QueryInterfaces

(

)

GF_BaseInterface* LoadInterface

(

u32

InterfaceType

)

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void ShutdownInterface

(

GF_BaseInterface *

ifce

)

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Variable Documentation

const char* BEST_FIXED_FONTS[]

static

Initial value:

= {
        "Courier New",
        "Courier",
        "Monaco",
        "Bitstream Vera Monospace",
        "Droid Sans Mono",
        0
}

const char* BEST_SERIF_FONTS[]

static

Initial value:

= {
        "Times New Roman",
        "Bitstream Vera",
        "Times",
        "Droid Serif",
        0
}

const char* BEST_SANS_FONTS[]

static

Initial value:

= {
        "Arial",
        "Tahoma",
        "Verdana",
        "Helvetica",
        "Bitstream Vera Sans",
        "Frutiger",
        "Droid Sans",
        0
}