font-model.h

/*
 * FontView - font viewing app
 * Part of the Fontable Project
 * Copyright (C) 2006 Alex Roberts
 * Copyright (C) 2010-2018 Khaled Hosny, <khaledhosny@eglug.org>
 * 
 * This program 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 2 of the License, or 
 *  (at your option) any later version.
 * 
 * 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., 59 Temple Place, Suite 330, Boston, 
 * MA 02111-1307 USA
 * 
 */

#ifndef __FONT_MODEL_H__
#define __FONT_MODEL_H__

#include <glib-object.h>
#include <fontconfig/fontconfig.h>
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_MULTIPLE_MASTERS_H


typedef struct {
    double r, g, b, a;
} Color;

typedef struct {
    int gid;
    Color *colors;
} ColorLayer;

typedef struct {
    int num_layers;
    ColorLayer *layers;
} ColorGlyph;

typedef struct {
    GHashTable *glyphs;
    gint palette;
    gint num_palettes;
    gchar **palette_names;
} ColorTable;

#define FONT_MODEL_TYPE            (font_model_get_type())
#define FONT_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
                                    FONT_MODEL_TYPE, FontModel))
#define FONT_MODEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  \
                                    FONT_MODEL_TYPE, FontModelClass))
#define IS_FONT_MODEL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
                                    FONT_MODEL_TYPE))
#define IS_FONT_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  \
                                    FONT_MODEL_TYPE))
#define FONT_MODEL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  \
                                    FONT_MODEL_TYPE, FontModelClass))

typedef struct _FontModel FontModel;
typedef struct _FontModelClass FontModelClass;

struct _FontModel {
    GObject parent;

    /* use priv in future */
    FT_Face ft_face;

    gchar *file;
    gchar *family;
    gchar *style;

    double units_per_em;
    double xheight;
    double ascender;
    double descender;

    gchar *version;
    gchar *copyright;
    gchar *description;
    gchar *sample;

    FT_MM_Var* mmvar;
    FT_Fixed* mmcoords;

    FcConfig *config;

    ColorTable color;
};

struct _FontModelClass {
    GObjectClass parent;
};

GType font_model_get_type (void);

GObject *font_model_new (gchar *font);

gchar* get_font_name (FT_Face face, FT_UInt nameid);

#endif /* __FONT_MODEL_H__ */