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trezor-firmware/extmod/modtrezorui/display.c

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/*
* Copyright (c) Pavol Rusnak, SatoshiLabs
*
* Licensed under TREZOR License
* see LICENSE file for details
*/
#include "inflate.h"
#include "font_robotomono_regular_20.h"
#include "font_roboto_regular_20.h"
#include "font_roboto_bold_20.h"
#include "trezor-qrenc/qr_encode.h"
#include "display.h"
#include <string.h>
static int BACKLIGHT = 0;
static int ORIENTATION = 0;
static int OFFSET[2] = {0, 0};
#if defined STM32_HAL_H
#include "display-stmhal.h"
#else
#ifndef TREZORUI_NOUI
#include "display-unix-sdl.h"
#else
#include "display-unix-null.h"
#endif
#endif
// common display functions
void DATAS(const void *bytes, int len)
{
const uint8_t *c = (const uint8_t *)bytes;
while (len-- > 0) {
DATA(*c);
c++;
}
}
static void set_color_table(uint16_t colortable[16], uint16_t fgcolor, uint16_t bgcolor)
{
uint8_t cr, cg, cb;
for (int i = 0; i < 16; i++) {
cr = (((fgcolor & 0xF800) >> 11) * i + ((bgcolor & 0xF800) >> 11) * (15 - i)) / 15;
cg = (((fgcolor & 0x07E0) >> 5) * i + ((bgcolor & 0x07E0) >> 5) * (15 - i)) / 15;
cb = ((fgcolor & 0x001F) * i + (bgcolor & 0x001F) * (15 - i)) / 15;
colortable[i] = (cr << 11) | (cg << 5) | cb;
}
}
static inline void clamp_coords(int x, int y, int w, int h, int *x0, int *y0, int *x1, int *y1)
{
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
*x0 = MAX(x, 0);
*y0 = MAX(y, 0);
*x1 = MIN(x + w - 1, DISPLAY_RESX - 1);
*y1 = MIN(y + h - 1, DISPLAY_RESY - 1);
}
void display_clear(void)
{
display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1);
for (int i = 0; i < DISPLAY_RESX * DISPLAY_RESY * 2; i++) {
DATA(0x00);
}
}
void display_bar(int x, int y, int w, int h, uint16_t c)
{
x += OFFSET[0];
y += OFFSET[1];
int x0, y0, x1, y1;
clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
for (int i = 0; i < (x1 - x0 + 1) * (y1 - y0 + 1); i++) {
DATA(c >> 8);
DATA(c & 0xFF);
}
}
#define CORNER_RADIUS 16
static const uint8_t cornertable[CORNER_RADIUS*CORNER_RADIUS] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 5, 9, 12, 14, 15,
0, 0, 0, 0, 0, 0, 0, 0, 3, 9, 15, 15, 15, 15, 15, 15,
0, 0, 0, 0, 0, 0, 0, 8, 15, 15, 15, 15, 15, 15, 15, 15,
0, 0, 0, 0, 0, 3, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 0, 0, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 0, 8, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 3, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
0, 9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
1, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
5, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
};
void display_bar_radius(int x, int y, int w, int h, uint16_t c, uint16_t b, uint8_t r)
{
if (r != 2 && r != 4 && r != 8 && r != 16) {
return;
} else {
r = 16 / r;
}
uint16_t colortable[16];
set_color_table(colortable, c, b);
x += OFFSET[0];
y += OFFSET[1];
int x0, y0, x1, y1;
clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
for (int j = y0; j <= y1; j++) {
for (int i = x0; i <= x1; i++) {
int rx = i - x;
int ry = j - y;
if (rx < CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
uint8_t c = cornertable[rx * r + ry * r * CORNER_RADIUS];
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
} else
if (rx < CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
uint8_t c = cornertable[rx * r + (h - 1 - ry) * r * CORNER_RADIUS];
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
} else
if (rx >= w - CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
uint8_t c = cornertable[(w - 1 - rx) * r + ry * r * CORNER_RADIUS];
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
} else
if (rx >= w - CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
uint8_t c = cornertable[(w - 1 - rx) * r + (h - 1 - ry) * r * CORNER_RADIUS];
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
} else {
DATA(c >> 8);
DATA(c & 0xFF);
}
}
}
}
static void inflate_callback_image(uint8_t byte, uint32_t pos, void *userdata)
{
int w = ((int *)userdata)[0];
int x0 = ((int *)userdata)[1];
int x1 = ((int *)userdata)[2];
int y0 = ((int *)userdata)[3];
int y1 = ((int *)userdata)[4];
int px = (pos / 2) % w;
int py = (pos / 2) / w;
if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
DATA(byte);
}
}
void display_image(int x, int y, int w, int h, const void *data, int datalen)
{
x += OFFSET[0];
y += OFFSET[1];
int x0, y0, x1, y1;
clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
int userdata[5];
userdata[0] = w;
userdata[1] = x0 - x;
userdata[2] = x1 - x;
userdata[3] = y0 - y;
userdata[4] = y1 - y;
sinf_inflate(data, datalen, inflate_callback_image, userdata);
}
static void inflate_callback_icon(uint8_t byte, uint32_t pos, void *userdata)
{
uint16_t *colortable = (uint16_t *)(((int *)userdata) + 5);
int w = ((int *)userdata)[0];
int x0 = ((int *)userdata)[1];
int x1 = ((int *)userdata)[2];
int y0 = ((int *)userdata)[3];
int y1 = ((int *)userdata)[4];
int px = (pos * 2) % w;
int py = (pos * 2) / w;
if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
DATA(colortable[byte >> 4] >> 8);
DATA(colortable[byte >> 4] & 0xFF);
DATA(colortable[byte & 0x0F] >> 8);
DATA(colortable[byte & 0x0F] & 0xFF);
}
}
void display_icon(int x, int y, int w, int h, const void *data, int datalen, uint16_t fgcolor, uint16_t bgcolor)
{
x += OFFSET[0];
y += OFFSET[1];
x &= ~1; // cannot draw at odd coordinate
int x0, y0, x1, y1;
clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
int userdata[5 + 16 * sizeof(uint16_t) / sizeof(int)];
userdata[0] = w;
userdata[1] = x0 - x;
userdata[2] = x1 - x;
userdata[3] = y0 - y;
userdata[4] = y1 - y;
set_color_table((uint16_t *)(userdata + 5), fgcolor, bgcolor);
sinf_inflate(data, datalen, inflate_callback_icon, userdata);
}
static const uint8_t *get_glyph(uint8_t font, uint8_t c)
{
if (c >= ' ' && c <= '~') {
// do nothing - valid ASCII
} else
// UTF-8 handling: https://en.wikipedia.org/wiki/UTF-8#Description
if (c >= 0xC0) {
// bytes 11xxxxxx are first byte of UTF-8 characters
c = '_';
} else {
// bytes 10xxxxxx are successive UTF-8 characters
return 0;
}
switch (font) {
case FONT_MONO:
return Font_RobotoMono_Regular_20[c - ' '];
case FONT_NORMAL:
return Font_Roboto_Regular_20[c - ' '];
case FONT_BOLD:
return Font_Roboto_Bold_20[c - ' '];
}
return 0;
}
// first two bytes are width and height of the glyph
// third, fourth and fifth bytes are advance, bearingX and bearingY of the horizontal metrics of the glyph
// rest is packed 4-bit glyph data
void display_text(int x, int y, const char *text, int textlen, uint8_t font, uint16_t fgcolor, uint16_t bgcolor)
{
uint16_t colortable[16];
set_color_table(colortable, fgcolor, bgcolor);
// determine text length if not provided
if (textlen < 0) {
textlen = strlen(text);
}
int px = x + OFFSET[0];
y += OFFSET[1];
// render glyphs
for (int i = 0; i < textlen; i++) {
const uint8_t *g = get_glyph(font, (uint8_t)text[i]);
if (!g) continue;
// g[0], g[1] = width, height
// g[2] = advance
// g[3], g[4] = bearingX, bearingY
if (g[0] && g[1]) {
int sx = px + (int8_t)(g[3]);
int sy = y - (int8_t)(g[4]);
int w = g[0];
int h = g[1];
int x0, y0, x1, y1;
clamp_coords(sx, sy, w, h, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
for (int j = y0; j <= y1; j++) {
for (int i = x0; i <= x1; i++) {
int rx = i - sx;
int ry = j - sy;
int a = rx + ry * w;
uint8_t c;
if (a % 2 == 0) {
c = g[5 + a/2] >> 4;
} else {
c = g[5 + a/2] & 0x0F;
}
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
}
}
}
px += g[2];
}
}
void display_text_center(int x, int y, const char *text, int textlen, uint8_t font, uint16_t fgcolor, uint16_t bgcolor)
{
int w = display_text_width(text, textlen, font);
display_text(x - w / 2, y, text, textlen, font, fgcolor, bgcolor);
}
void display_text_right(int x, int y, const char *text, int textlen, uint8_t font, uint16_t fgcolor, uint16_t bgcolor)
{
int w = display_text_width(text, textlen, font);
display_text(x - w, y, text, textlen, font, fgcolor, bgcolor);
}
// compute the width of the text (in pixels)
int display_text_width(const char *text, int textlen, uint8_t font)
{
int w = 0;
// determine text length if not provided
if (textlen < 0) {
textlen = strlen(text);
}
for (int i = 0; i < textlen; i++) {
const uint8_t *g = get_glyph(font, (uint8_t)text[i]);
if (!g) continue;
w += g[2];
}
return w;
}
void display_qrcode(int x, int y, const char *data, int datalen, uint8_t scale)
{
if (scale < 1 || scale > 10) return;
uint8_t bitdata[QR_MAX_BITDATA];
int side = qr_encode(QR_LEVEL_M, 0, data, datalen, bitdata);
x += OFFSET[0];
y += OFFSET[1];
int x0, y0, x1, y1;
clamp_coords(x, y, side * scale, side * scale, &x0, &y0, &x1, &y1);
display_set_window(x0, y0, x1, y1);
for (int j = y0; j <= y1; j++) {
for (int i = x0; i <= x1; i++) {
int rx = i - x;
int ry = j - y;
int a = (rx / scale) * side + (ry / scale);
if (bitdata[a / 8] & (1 << (7 - a % 8))) {
DATA(0x00); DATA(0x00);
} else {
DATA(0xFF); DATA(0xFF);
}
}
}
}
#include "loader.h"
static void inflate_callback_loader(uint8_t byte, uint32_t pos, void *userdata)
{
uint8_t *out = (uint8_t *)userdata;
out[pos] = byte;
}
void display_loader(uint16_t progress, int yoffset, uint16_t fgcolor, uint16_t bgcolor, const uint8_t *icon, uint32_t iconlen, uint16_t iconfgcolor)
{
uint16_t colortable[16], iconcolortable[16];
set_color_table(colortable, fgcolor, bgcolor);
if (icon) {
set_color_table(iconcolortable, iconfgcolor, bgcolor);
}
if ((DISPLAY_RESY / 2 - img_loader_size + yoffset < 0) ||
(DISPLAY_RESY / 2 + img_loader_size - 1 + yoffset >= DISPLAY_RESY)) {
return;
}
display_set_window(DISPLAY_RESX / 2 - img_loader_size, DISPLAY_RESY / 2 - img_loader_size + yoffset, DISPLAY_RESX / 2 + img_loader_size - 1, DISPLAY_RESY / 2 + img_loader_size - 1 + yoffset);
if (icon && memcmp(icon, "TOIg", 4) == 0 && LOADER_ICON_SIZE == *(uint16_t *)(icon + 4) && LOADER_ICON_SIZE == *(uint16_t *)(icon + 6) && iconlen == 12 + *(uint32_t *)(icon + 8)) {
uint8_t icondata[LOADER_ICON_SIZE * LOADER_ICON_SIZE / 2];
sinf_inflate(icon + 12, iconlen - 12, inflate_callback_loader, icondata);
icon = icondata;
} else {
icon = NULL;
}
for (int y = 0; y < img_loader_size * 2; y++) {
for (int x = 0; x < img_loader_size * 2; x++) {
int mx = x, my = y;
uint16_t a;
if ((mx >= img_loader_size) && (my >= img_loader_size)) {
mx = img_loader_size * 2 - 1 - x;
my = img_loader_size * 2 - 1 - y;
a = 499 - (img_loader[my][mx] >> 8);
} else
if (mx >= img_loader_size) {
mx = img_loader_size * 2 - 1 - x;
a = img_loader[my][mx] >> 8;
} else
if (my >= img_loader_size) {
my = img_loader_size * 2 - 1 - y;
a = 500 + (img_loader[my][mx] >> 8);
} else {
a = 999 - (img_loader[my][mx] >> 8);
}
// inside of circle - draw glyph
#define LOADER_ICON_CORNER_CUT 2
if (icon && mx + my > (((LOADER_ICON_SIZE / 2) + LOADER_ICON_CORNER_CUT) * 2) && mx >= img_loader_size - (LOADER_ICON_SIZE / 2) && my >= img_loader_size - (LOADER_ICON_SIZE / 2)) {
int i = (x - (img_loader_size - (LOADER_ICON_SIZE / 2))) + (y - (img_loader_size - (LOADER_ICON_SIZE / 2))) * LOADER_ICON_SIZE;
uint8_t c;
if (i % 2) {
c = icon[i / 2] & 0x0F;
} else {
c = (icon[i / 2] & 0xF0) >> 4;
}
DATA(iconcolortable[c] >> 8);
DATA(iconcolortable[c] & 0xFF);
} else {
uint8_t c;
if (progress > a) {
c = (img_loader[my][mx] & 0x00F0) >> 4;
} else {
c = img_loader[my][mx] & 0x000F;
}
DATA(colortable[c] >> 8);
DATA(colortable[c] & 0xFF);
}
}
}
}
void display_raw(uint8_t reg, const uint8_t *data, int datalen)
{
if (reg) {
CMD(reg);
}
if (data && datalen > 0) {
DATAS(data, datalen);
}
}
int *display_offset(int xy[2])
{
if (xy) {
OFFSET[0] = xy[0];
OFFSET[1] = xy[1];
}
return OFFSET;
}
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