trezor-firmware/core/embed/lib/fonts/fonts.h

/*
 * This file is part of the Trezor project, https://trezor.io/
 *
 * Copyright (c) SatoshiLabs
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef _FONTS_H
#define _FONTS_H

#include <stdbool.h>

#include "fonts/font_bitmap.h"
#include TREZOR_BOARD

#ifdef USE_RGB_COLORS
#define TREZOR_FONT_BPP 4
#else
#define TREZOR_FONT_BPP 1
#endif

#define COMPOSE(font_name, suffix) font_name##suffix
#define FONT_DEFINE(s, suffix) COMPOSE(s, suffix)

#ifdef TREZOR_FONT_NORMAL_ENABLE
#define FONT_NORMAL (-1)
#include TREZOR_FONT_NORMAL_INCLUDE
#define FONT_NORMAL_DATA TREZOR_FONT_NORMAL_ENABLE
#define FONT_NORMAL_HEIGHT FONT_DEFINE(TREZOR_FONT_NORMAL_ENABLE, _HEIGHT)
#define FONT_NORMAL_MAX_HEIGHT \
  FONT_DEFINE(TREZOR_FONT_NORMAL_ENABLE, _MAX_HEIGHT)
#define FONT_NORMAL_BASELINE FONT_DEFINE(TREZOR_FONT_NORMAL_ENABLE, _BASELINE)
#endif

#ifdef TREZOR_FONT_BIG_ENABLE
#include TREZOR_FONT_BIG_INCLUDE
#define FONT_BIG (-4)
#define FONT_BIG_DATA TREZOR_FONT_BIG_ENABLE
#define FONT_BIG_HEIGHT FONT_DEFINE(TREZOR_FONT_BIG_ENABLE, _HEIGHT)
#define FONT_BIG_MAX_HEIGHT FONT_DEFINE(TREZOR_FONT_BIG_ENABLE, _MAX_HEIGHT)
#define FONT_BIG_BASELINE FONT_DEFINE(TREZOR_FONT_BIG_ENABLE, _BASELINE)
#endif

#ifdef TREZOR_FONT_DEMIBOLD_ENABLE
#include TREZOR_FONT_DEMIBOLD_INCLUDE
#define FONT_DEMIBOLD (-5)
#define FONT_DEMIBOLD_DATA TREZOR_FONT_DEMIBOLD_ENABLE
#define FONT_DEMIBOLD_HEIGHT FONT_DEFINE(TREZOR_FONT_DEMIBOLD_ENABLE, _HEIGHT)
#define FONT_DEMIBOLD_MAX_HEIGHT \
  FONT_DEFINE(TREZOR_FONT_DEMIBOLD_ENABLE, _MAX_HEIGHT)
#define FONT_DEMIBOLD_BASELINE \
  FONT_DEFINE(TREZOR_FONT_DEMIBOLD_ENABLE, _BASELINE)
#endif

#ifdef TREZOR_FONT_MONO_ENABLE
#include TREZOR_FONT_MONO_INCLUDE
#define FONT_MONO (-3)
#define FONT_MONO_DATA TREZOR_FONT_MONO_ENABLE
#define FONT_MONO_HEIGHT FONT_DEFINE(TREZOR_FONT_MONO_ENABLE, _HEIGHT)
#define FONT_MONO_MAX_HEIGHT FONT_DEFINE(TREZOR_FONT_MONO_ENABLE, _MAX_HEIGHT)
#define FONT_MONO_BASELINE FONT_DEFINE(TREZOR_FONT_MONO_ENABLE, _BASELINE)
#endif

#ifdef TREZOR_FONT_BOLD_ENABLE
#include TREZOR_FONT_BOLD_INCLUDE
#define FONT_BOLD (-2)
#define FONT_BOLD_DATA TREZOR_FONT_BOLD_ENABLE
#define FONT_BOLD_HEIGHT FONT_DEFINE(TREZOR_FONT_BOLD_ENABLE, _HEIGHT)
#define FONT_BOLD_MAX_HEIGHT FONT_DEFINE(TREZOR_FONT_BOLD_ENABLE, _MAX_HEIGHT)
#define FONT_BOLD_BASELINE FONT_DEFINE(TREZOR_FONT_BOLD_ENABLE, _BASELINE)
#endif

#define MAX_FONT_H(A, B) ((A) > (B) ? (A) : (B))

#define FONT_MAX_HEIGHT_1 0
#ifdef TREZOR_FONT_NORMAL_ENABLE
#define FONT_MAX_HEIGHT_2 MAX_FONT_H(FONT_NORMAL_MAX_HEIGHT, FONT_MAX_HEIGHT_1)
#else
#define FONT_MAX_HEIGHT_2 FONT_MAX_HEIGHT_1
#endif

#ifdef TREZOR_FONT_BOLD_ENABLE
#define FONT_MAX_HEIGHT_3 MAX_FONT_H(FONT_BOLD_MAX_HEIGHT, FONT_MAX_HEIGHT_2)
#else
#define FONT_MAX_HEIGHT_3 FONT_MAX_HEIGHT_2
#endif

#ifdef TREZOR_FONT_BIG_ENABLE
#define FONT_MAX_HEIGHT_4 MAX_FONT_H(FONT_BIG_MAX_HEIGHT, FONT_MAX_HEIGHT_3)
#else
#define FONT_MAX_HEIGHT_4 FONT_MAX_HEIGHT_3
#endif

#ifdef TREZOR_FONT_DEMIBOLD_ENABLE
#define FONT_MAX_HEIGHT_5 \
  MAX_FONT_H(FONT_DEMIBOLD_MAX_HEIGHT, FONT_MAX_HEIGHT_4)
#else
#define FONT_MAX_HEIGHT_5 FONT_MAX_HEIGHT_4
#endif

#ifdef TREZOR_FONT_MONO_ENABLE
#define FONT_MAX_HEIGHT MAX_FONT_H(FONT_MONO_MAX_HEIGHT, FONT_MAX_HEIGHT_5)
#else
#define FONT_MAX_HEIGHT FONT_MAX_HEIGHT_5
#endif

int font_height(int font);
int font_max_height(int font);
int font_baseline(int font);
const uint8_t *font_get_glyph(int font, uint16_t c);
const uint8_t *font_nonprintable_glyph(int font);

typedef struct {
  const int font;
  const uint8_t *text;
  int remaining;
} font_glyph_iter_t;

font_glyph_iter_t font_glyph_iter_init(const int font, const uint8_t *text,
                                       const int len);
bool font_next_glyph(font_glyph_iter_t *iter, const uint8_t **out);
int font_text_width(int font, const char *text, int textlen);

#endif  //_FONTS_H