font_freetype.c File Reference

#include "config.h"
#include <ft2build.h>
#include <glib.h>
#include "point.h"
#include "graphics.h"
#include "debug.h"
#include "plugin.h"
#include "color.h"
#include "atom.h"
#include "font_freetype.h"

Data Structures
struct	font_freetype_font
struct	font_priv

Macros
#define	USE_CACHING   1
#define	HAVE_LOOKUP_SCALER   0
#define	COLOR_BITDEPTH_OUTPUT   8
#define	COL_SHIFT   (COLOR_BITDEPTH-COLOR_BITDEPTH_OUTPUT)

Functions
static void	font_freetype_get_text_bbox (struct graphics_priv *gr, struct font_freetype_font *font, char *text, int dx, int dy, struct point *ret, int estimate)
static struct font_freetype_text *	font_freetype_text_new (char *text, struct font_freetype_font *font, int dx, int dy)
static void	font_destroy (struct graphics_font_priv *font)
static void	font_freetype_text_destroy (struct font_freetype_text *text)
static FT_Error	face_requester (FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *aface)
static struct font_freetype_font *	font_freetype_font_new (struct graphics_priv *gr, struct graphics_font_methods *meth, char *fontfamily, int size, int flags)
static int	font_freetype_glyph_get_shadow (struct font_freetype_glyph *g, unsigned char *data, int stride, struct color *foreground, struct color *background)
static int	font_freetype_glyph_get_glyph (struct font_freetype_glyph *g, unsigned char *data, int stride, struct color *fg, struct color *bg, struct color *transparent)
static void	font_freetype_destroy (void)
static struct font_priv *	font_freetype_new (void *meth)
void	plugin_init (void)

Variables
static struct font_priv	dummy
static FT_Library	library
static FTC_Manager	manager
static FTC_ImageCache	image_cache
static FTC_CMapCache	charmap_cache
static FTC_SBitCache	sbit_cache
static int	library_init = 0
static int	library_deinit = 0
static char *	fontfamilies []
static struct graphics_font_methods	font_methods
static struct font_freetype_methods	methods

Macro Definition Documentation

COL_SHIFT

#define COL_SHIFT   (COLOR_BITDEPTH-COLOR_BITDEPTH_OUTPUT)

COLOR_BITDEPTH_OUTPUT

#define COLOR_BITDEPTH_OUTPUT   8

HAVE_LOOKUP_SCALER

#define HAVE_LOOKUP_SCALER   0

USE_CACHING

#define USE_CACHING   1

Navit, a modular navigation system. Copyright (C) 2005-2011 Navit Team

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

This program 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Function Documentation

face_requester()

static FT_Error face_requester ( FTC_FaceID  face_id, FT_Library  library, FT_Pointer  request_data, FT_Face *  aface  )

static

References dbg, library, lvl_debug, and lvl_error.

Referenced by font_freetype_font_new().

font_destroy()

static void font_destroy ( struct graphics_font_priv *  font )

static

font_freetype_destroy()

static void font_freetype_destroy ( void  )

static

References library, library_deinit, and manager.

font_freetype_font_new()

static struct font_freetype_font* font_freetype_font_new ( struct graphics_priv *  gr, struct graphics_font_methods *  meth, char *  fontfamily, int  size, int  flags  )

static

Implementation of font_freetype_methods.font_new

References atom(), charmap_cache, font_freetype_font::charmap_index, dbg, face_requester(), font_methods, fontfamilies, image_cache, library, library_init, lvl_error, lvl_info, manager, name, sbit_cache, font_freetype_font::scaler, font_freetype_font::size, and size.

font_freetype_get_text_bbox()

static void font_freetype_get_text_bbox ( struct graphics_priv *  gr, struct font_freetype_font *  font, char *  text, int  dx, int  dy, struct point *  ret, int  estimate  )

static

References bbox(), charmap_cache, font_freetype_font::charmap_index, image_cache, manager, p, font_freetype_font::scaler, font_freetype_font::size, point::x, and point::y.

font_freetype_glyph_get_glyph()

static int font_freetype_glyph_get_glyph ( struct font_freetype_glyph *  g, unsigned char *  data, int  stride, struct color *  fg, struct color *  bg, struct color *  transparent  )

static

Implementation of font_freetype_methods.get_glyph.

References color::a, color::b, COL_SHIFT, data, color::g, font_freetype_glyph::h, font_freetype_glyph::pixmap, color::r, and font_freetype_glyph::w.

font_freetype_glyph_get_shadow()

static int font_freetype_glyph_get_shadow ( struct font_freetype_glyph *  g, unsigned char *  data, int  stride, struct color *  foreground, struct color *  background  )

static

Implementation of font_freetype_methods.get_shadow.

References color::a, color::b, COL_SHIFT, data, color::g, font_freetype_glyph::h, font_freetype_glyph::pixmap, color::r, and font_freetype_glyph::w.

font_freetype_new()

static struct font_priv* font_freetype_new ( void *  meth )

static

References dummy, and methods.

Referenced by graphics_gd_new(), graphics_gtk_drawing_area_new_helper(), graphics_opengl_new_helper(), graphics_qt5_new(), graphics_qt_qpainter_new(), graphics_sdl_new(), overlay_new(), and plugin_init().

font_freetype_text_destroy()

static void font_freetype_text_destroy ( struct font_freetype_text *  text )

static

References font_freetype_text::glyph, and font_freetype_text::glyph_count.

font_freetype_text_new()

static struct font_freetype_text* font_freetype_text_new ( char *  text, struct font_freetype_font *  font, int  dx, int  dy  )

static

References charmap_cache, font_freetype_font::charmap_index, dbg, font_freetype_glyph::dx, font_freetype_glyph::dy, font_freetype_text::glyph, font_freetype_text::glyph_count, font_freetype_glyph::h, image_cache, lvl_error, manager, p, font_freetype_glyph::pixmap, font_freetype_font::scaler, font_freetype_glyph::w, font_freetype_glyph::x, and font_freetype_glyph::y.

plugin_init()

void plugin_init

(

void

)

References font_freetype_new().

Variable Documentation

charmap_cache

FTC_CMapCache charmap_cache

static

Referenced by font_freetype_font_new(), font_freetype_get_text_bbox(), and font_freetype_text_new().

dummy

struct font_priv dummy

static

Referenced by font_freetype_new().

font_methods

struct graphics_font_methods font_methods

static

Initial value:

= {
    font_destroy
}

Referenced by font_freetype_font_new().

fontfamilies

char* fontfamilies[]

static

Initial value:

= {
    "Liberation Sans",
    "Arial",
    "NcrBI4nh",
    "luximbi",
    "FreeSans",
    "DejaVu Sans",
    NULL,
}

List of font families to use, in order of preference

Referenced by font_freetype_font_new().

image_cache

FTC_ImageCache image_cache

static

Referenced by font_freetype_font_new(), font_freetype_get_text_bbox(), and font_freetype_text_new().

library

FT_Library library

static

Referenced by face_requester(), font_freetype_destroy(), and font_freetype_font_new().

library_deinit

int library_deinit = 0

static

Referenced by font_freetype_destroy().

library_init

int library_init = 0

static

Referenced by font_freetype_font_new().

manager

FTC_Manager manager

static

Referenced by font_freetype_destroy(), font_freetype_font_new(), font_freetype_get_text_bbox(), and font_freetype_text_new().

methods

struct font_freetype_methods methods

static

Initial value:

= {
    font_freetype_destroy,
    font_freetype_font_new,
    font_freetype_get_text_bbox,
    font_freetype_text_new,
    font_freetype_text_destroy,
    font_freetype_glyph_get_shadow,
    font_freetype_glyph_get_glyph,
}

Referenced by event_sdl_new(), font_freetype_new(), graphics_opengl_egl_new(), graphics_opengl_x11_new(), and graphics_sdl_new().

sbit_cache

FTC_SBitCache sbit_cache

static

Referenced by font_freetype_font_new().