trezor-firmware/core/embed/lib/display.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 __DISPLAY_H__
#define __DISPLAY_H__

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include "buffers.h"
#include "colors.h"
#include TREZOR_BOARD
#include "display_interface.h"
#include "fonts/fonts.h"

typedef enum {
  TOIF_FULL_COLOR_BE = 0,  // big endian
  TOIF_GRAYSCALE_OH = 1,   // odd hi
  TOIF_FULL_COLOR_LE = 2,  // little endian
  TOIF_GRAYSCALE_EH = 3,   // even hi
} toif_format_t;

// provided by common

void display_clear(void);

void display_bar(int x, int y, int w, int h, uint16_t c);
bool display_toif_info(const uint8_t *buf, uint32_t len, uint16_t *out_w,
                       uint16_t *out_h, toif_format_t *out_format);

#ifndef TREZOR_PRINT_DISABLE
void display_print_color(uint16_t fgcolor, uint16_t bgcolor);
void display_print(const char *text, int textlen);
void display_printf(const char *fmt, ...)
    __attribute__((__format__(__printf__, 1, 2)));
#endif

void display_text(int x, int y, const char *text, int textlen, int font,
                  uint16_t fgcolor, uint16_t bgcolor);
void display_text_center(int x, int y, const char *text, int textlen, int font,
                         uint16_t fgcolor, uint16_t bgcolor);
void display_text_right(int x, int y, const char *text, int textlen, int font,
                        uint16_t fgcolor, uint16_t bgcolor);
int display_text_width(const char *text, int textlen, int font);
int display_text_split(const char *text, int textlen, int font,
                       int requested_width);
void display_text_render_buffer(const char *text, int textlen, int font,
                                buffer_text_t *buffer, int text_offset);

void display_qrcode(int x, int y, const char *data, uint8_t scale);

void display_offset(int set_xy[2], int *get_x, int *get_y);
void display_fade(int start, int end, int delay);

// helper for locating a substring in buffer with utf-8 string
void display_utf8_substr(const char *buf_start, size_t buf_len, int char_off,
                         int char_len, const char **out_start, int *out_len);

#endif