mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-29 19:08:12 +00:00
613 lines
18 KiB
C
613 lines
18 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _GNU_SOURCE
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#include "display.h"
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#include "buffers.h"
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#include "common.h"
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#ifdef USE_DMA2D
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#include "dma2d.h"
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#endif
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#include "fonts/fonts.h"
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#include <stdarg.h>
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#include <string.h>
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#include "memzero.h"
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#include "display_interface.h"
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static struct { int x, y; } DISPLAY_OFFSET;
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// common display functions
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#define CLAMP(x, min, max) (MIN(MAX((x), (min)), (max)))
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static inline void clamp_coords(int x, int y, int w, int h, int *x0, int *y0,
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int *x1, int *y1) {
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*x0 = CLAMP(x, 0, DISPLAY_RESX);
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*y0 = CLAMP(y, 0, DISPLAY_RESY);
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*x1 = CLAMP(x + w - 1, -1, DISPLAY_RESX - 1);
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*y1 = CLAMP(y + h - 1, -1, DISPLAY_RESY - 1);
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}
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void display_clear(void) {
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const int saved_orientation = display_get_orientation();
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display_reset_state();
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// set MADCTL first so that we can set the window correctly next
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display_orientation(0);
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// address the complete frame memory
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display_set_window(0, 0, MAX_DISPLAY_RESX - 1, MAX_DISPLAY_RESY - 1);
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for (uint32_t i = 0; i < MAX_DISPLAY_RESX * MAX_DISPLAY_RESY; i++) {
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// 2 bytes per pixel because we're using RGB 5-6-5 format
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PIXELDATA(0x0000);
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}
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// go back to restricted window
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1);
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// if valid, go back to the saved orientation
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display_orientation(saved_orientation);
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// flag display for refresh
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PIXELDATA_DIRTY();
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}
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void display_bar(int x, int y, int w, int h, uint16_t c) {
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
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clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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for (int i = 0; i < (x1 - x0 + 1) * (y1 - y0 + 1); i++) {
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PIXELDATA(c);
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}
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PIXELDATA_DIRTY();
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}
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#define CORNER_RADIUS 16
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static const uint8_t cornertable[CORNER_RADIUS * CORNER_RADIUS] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 5, 9, 12, 14, 15, 0, 0, 0,
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0, 0, 0, 0, 0, 3, 9, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0,
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0, 8, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 3, 12, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15,
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15, 15, 15, 15, 0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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15, 0, 0, 0, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0,
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8, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 3, 15, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 9, 15, 15, 15, 15, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 15, 1, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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15, 15, 15, 15, 15, 5, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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15, 15, 9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12,
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15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 15, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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15, 15, 15, 15, 15, 15, 15, 15, 15,
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};
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void display_bar_radius(int x, int y, int w, int h, uint16_t c, uint16_t b,
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uint8_t r) {
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if (r != 2 && r != 4 && r != 8 && r != 16) {
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return;
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} else {
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r = 16 / r;
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}
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uint16_t colortable[16] = {0};
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set_color_table(colortable, c, b);
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
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clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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for (int j = y0; j <= y1; j++) {
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for (int i = x0; i <= x1; i++) {
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int rx = i - x;
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int ry = j - y;
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if (rx < CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
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uint8_t c = cornertable[rx * r + ry * r * CORNER_RADIUS];
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PIXELDATA(colortable[c]);
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} else if (rx < CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
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uint8_t c = cornertable[rx * r + (h - 1 - ry) * r * CORNER_RADIUS];
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PIXELDATA(colortable[c]);
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} else if (rx >= w - CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
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uint8_t c = cornertable[(w - 1 - rx) * r + ry * r * CORNER_RADIUS];
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PIXELDATA(colortable[c]);
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} else if (rx >= w - CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
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uint8_t c =
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cornertable[(w - 1 - rx) * r + (h - 1 - ry) * r * CORNER_RADIUS];
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PIXELDATA(colortable[c]);
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} else {
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PIXELDATA(c);
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}
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}
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}
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PIXELDATA_DIRTY();
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}
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void display_bar_radius_buffer(int x, int y, int w, int h, uint8_t r,
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buffer_text_t *buffer) {
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if (h > TEXT_BUFFER_HEIGHT) {
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return;
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}
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if (r != 2 && r != 4 && r != 8 && r != 16) {
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return;
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} else {
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r = 16 / r;
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}
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int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
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clamp_coords(x, y, w, h, &x0, &y0, &x1, &y1);
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for (int j = y0; j <= y1; j++) {
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for (int i = x0; i <= x1; i++) {
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int rx = i - x;
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int ry = j - y;
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int p = j * DISPLAY_RESX + i;
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uint8_t c = 0;
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if (rx < CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
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c = cornertable[rx * r + ry * r * CORNER_RADIUS];
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} else if (rx < CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
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c = cornertable[rx * r + (h - 1 - ry) * r * CORNER_RADIUS];
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} else if (rx >= w - CORNER_RADIUS / r && ry < CORNER_RADIUS / r) {
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c = cornertable[(w - 1 - rx) * r + ry * r * CORNER_RADIUS];
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} else if (rx >= w - CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
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c = cornertable[(w - 1 - rx) * r + (h - 1 - ry) * r * CORNER_RADIUS];
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} else {
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c = 15;
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}
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int b = p / 2;
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if (p % 2) {
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buffer->buffer[b] |= c << 4;
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} else {
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buffer->buffer[b] |= (c);
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}
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}
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}
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}
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void display_text_render_buffer(const char *text, int textlen, int font,
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buffer_text_t *buffer, int text_offset) {
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// determine text length if not provided
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if (textlen < 0) {
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textlen = strlen(text);
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}
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int x = 0;
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int max_height = font_max_height(font);
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int baseline = font_baseline(font);
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// render glyphs
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for (int c_idx = 0; c_idx < textlen; c_idx++) {
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const uint8_t *g = font_get_glyph(font, (uint8_t)text[c_idx]);
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if (!g) continue;
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const uint8_t w = g[0]; // width
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const uint8_t h = g[1]; // height
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const uint8_t adv = g[2]; // advance
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const uint8_t bearX = g[3]; // bearingX
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const uint8_t bearY = g[4]; // bearingY
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if (w && h) {
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < w; i++) {
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const int a = i + j * w;
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#if TREZOR_FONT_BPP == 1
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const uint8_t c = ((g[5 + a / 8] >> (7 - (a % 8) * 1)) & 0x01) * 15;
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#elif TREZOR_FONT_BPP == 2
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const uint8_t c = ((g[5 + a / 4] >> (6 - (a % 4) * 2)) & 0x03) * 5;
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#elif TREZOR_FONT_BPP == 4
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const uint8_t c = (g[5 + a / 2] >> (4 - (a % 2) * 4)) & 0x0F;
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#elif TREZOR_FONT_BPP == 8
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#error Rendering into buffer not supported when using TREZOR_FONT_BPP = 8
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// const uint8_t c = g[5 + a / 1] >> 4;
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#else
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#error Unsupported TREZOR_FONT_BPP value
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#endif
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int x_pos = text_offset + i + x + bearX;
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int y_pos = j + max_height - bearY - baseline;
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if (y_pos < 0) continue;
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if (x_pos >= BUFFER_PIXELS || x_pos < 0) {
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continue;
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}
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int buffer_pos = x_pos + y_pos * BUFFER_PIXELS;
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if (buffer_pos < (sizeof(buffer_text_t) * 2)) {
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int b = buffer_pos / 2;
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if (buffer_pos % 2) {
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buffer->buffer[b] |= c << 4;
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} else {
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buffer->buffer[b] |= (c);
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}
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}
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}
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}
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}
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x += adv;
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}
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}
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// see docs/misc/toif.md for definition of the TOIF format
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bool display_toif_info(const uint8_t *data, uint32_t len, uint16_t *out_w,
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uint16_t *out_h, toif_format_t *out_format) {
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if (len < 12 || memcmp(data, "TOI", 3) != 0) {
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return false;
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}
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toif_format_t format = false;
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if (data[3] == 'f') {
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format = TOIF_FULL_COLOR_BE;
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} else if (data[3] == 'g') {
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format = TOIF_GRAYSCALE_OH;
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} else if (data[3] == 'F') {
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format = TOIF_FULL_COLOR_LE;
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} else if (data[3] == 'G') {
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format = TOIF_GRAYSCALE_EH;
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} else {
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return false;
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}
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uint16_t w = *(uint16_t *)(data + 4);
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uint16_t h = *(uint16_t *)(data + 6);
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uint32_t datalen = *(uint32_t *)(data + 8);
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if (datalen != len - 12) {
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return false;
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}
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if (out_w != NULL && out_h != NULL && out_format != NULL) {
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*out_w = w;
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*out_h = h;
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*out_format = format;
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}
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return true;
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}
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#ifndef TREZOR_PRINT_DISABLE
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#define DISPLAY_PRINT_COLS (DISPLAY_RESX / 6)
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#define DISPLAY_PRINT_ROWS (DISPLAY_RESY / 8)
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static char display_print_buf[DISPLAY_PRINT_ROWS][DISPLAY_PRINT_COLS];
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static uint16_t display_print_fgcolor = COLOR_WHITE,
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display_print_bgcolor = COLOR_BLACK;
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// set colors for display_print function
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void display_print_color(uint16_t fgcolor, uint16_t bgcolor) {
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display_print_fgcolor = fgcolor;
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display_print_bgcolor = bgcolor;
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}
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// display text using bitmap font
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void display_print(const char *text, int textlen) {
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static uint8_t row = 0, col = 0;
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// determine text length if not provided
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if (textlen < 0) {
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textlen = strlen(text);
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}
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// print characters to internal buffer (display_print_buf)
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for (int i = 0; i < textlen; i++) {
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switch (text[i]) {
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case '\r':
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break;
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case '\n':
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row++;
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col = 0;
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break;
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default:
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display_print_buf[row][col] = text[i];
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col++;
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break;
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}
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if (col >= DISPLAY_PRINT_COLS) {
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col = 0;
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row++;
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}
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if (row >= DISPLAY_PRINT_ROWS) {
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for (int j = 0; j < DISPLAY_PRINT_ROWS - 1; j++) {
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memcpy(display_print_buf[j], display_print_buf[j + 1],
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DISPLAY_PRINT_COLS);
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}
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memzero(display_print_buf[DISPLAY_PRINT_ROWS - 1], DISPLAY_PRINT_COLS);
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row = DISPLAY_PRINT_ROWS - 1;
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}
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}
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// render buffer to display
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1);
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for (int i = 0; i < DISPLAY_RESX * DISPLAY_RESY; i++) {
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int x = (i % DISPLAY_RESX);
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int y = (i / DISPLAY_RESX);
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const int j = y % 8;
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y /= 8;
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const int k = x % 6;
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x /= 6;
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char c = 0;
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if (x < DISPLAY_PRINT_COLS && y < DISPLAY_PRINT_ROWS) {
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c = display_print_buf[y][x] & 0x7F;
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// char invert = display_print_buf[y][x] & 0x80;
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} else {
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c = ' ';
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}
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if (c < ' ') {
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c = ' ';
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}
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const uint8_t *g = Font_Bitmap + (5 * (c - ' '));
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if (k < 5 && (g[k] & (1 << j))) {
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PIXELDATA(display_print_fgcolor);
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} else {
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PIXELDATA(display_print_bgcolor);
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}
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}
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PIXELDATA_DIRTY();
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display_refresh();
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}
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#ifdef TREZOR_EMULATOR
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#define mini_vsnprintf vsnprintf
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#include <stdio.h>
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#else
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#include "mini_printf.h"
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#endif
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// variadic display_print
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void display_printf(const char *fmt, ...) {
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if (!strchr(fmt, '%')) {
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display_print(fmt, strlen(fmt));
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} else {
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va_list va;
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va_start(va, fmt);
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char buf[256] = {0};
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int len = mini_vsnprintf(buf, sizeof(buf), fmt, va);
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display_print(buf, len);
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va_end(va);
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}
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}
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#endif // TREZOR_PRINT_DISABLE
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static void display_text_render(int x, int y, const char *text, int textlen,
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int font, uint16_t fgcolor, uint16_t bgcolor) {
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// determine text length if not provided
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if (textlen < 0) {
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textlen = strlen(text);
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}
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uint16_t colortable[16] = {0};
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set_color_table(colortable, fgcolor, bgcolor);
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// render glyphs
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for (int i = 0; i < textlen; i++) {
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const uint8_t *g = font_get_glyph(font, (uint8_t)text[i]);
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if (!g) continue;
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const uint8_t w = g[0]; // width
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const uint8_t h = g[1]; // height
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const uint8_t adv = g[2]; // advance
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const uint8_t bearX = g[3]; // bearingX
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const uint8_t bearY = g[4]; // bearingY
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if (w && h) {
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const int sx = x + bearX;
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const int sy = y - bearY;
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int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
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clamp_coords(sx, sy, w, h, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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for (int j = y0; j <= y1; j++) {
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for (int i = x0; i <= x1; i++) {
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const int rx = i - sx;
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const int ry = j - sy;
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const int a = rx + ry * w;
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#if TREZOR_FONT_BPP == 1
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const uint8_t c = ((g[5 + a / 8] >> (7 - (a % 8) * 1)) & 0x01) * 15;
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#elif TREZOR_FONT_BPP == 2
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const uint8_t c = ((g[5 + a / 4] >> (6 - (a % 4) * 2)) & 0x03) * 5;
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#elif TREZOR_FONT_BPP == 4
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const uint8_t c = (g[5 + a / 2] >> (4 - (a % 2) * 4)) & 0x0F;
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#elif TREZOR_FONT_BPP == 8
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const uint8_t c = g[5 + a / 1] >> 4;
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#else
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#error Unsupported TREZOR_FONT_BPP value
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#endif
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PIXELDATA(colortable[c]);
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}
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}
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}
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x += adv;
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}
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PIXELDATA_DIRTY();
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}
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void display_text(int x, int y, const char *text, int textlen, int font,
|
|
uint16_t fgcolor, uint16_t bgcolor) {
|
|
x += DISPLAY_OFFSET.x;
|
|
y += DISPLAY_OFFSET.y;
|
|
display_text_render(x, y, text, textlen, font, fgcolor, bgcolor);
|
|
}
|
|
|
|
void display_text_center(int x, int y, const char *text, int textlen, int font,
|
|
uint16_t fgcolor, uint16_t bgcolor) {
|
|
x += DISPLAY_OFFSET.x;
|
|
y += DISPLAY_OFFSET.y;
|
|
int w = display_text_width(text, textlen, font);
|
|
display_text_render(x - w / 2, y, text, textlen, font, fgcolor, bgcolor);
|
|
}
|
|
|
|
void display_text_right(int x, int y, const char *text, int textlen, int font,
|
|
uint16_t fgcolor, uint16_t bgcolor) {
|
|
x += DISPLAY_OFFSET.x;
|
|
y += DISPLAY_OFFSET.y;
|
|
int w = display_text_width(text, textlen, font);
|
|
display_text_render(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, int font) {
|
|
int width = 0;
|
|
// determine text length if not provided
|
|
if (textlen < 0) {
|
|
textlen = strlen(text);
|
|
}
|
|
for (int i = 0; i < textlen; i++) {
|
|
const uint8_t *g = font_get_glyph(font, (uint8_t)text[i]);
|
|
if (!g) continue;
|
|
const uint8_t adv = g[2]; // advance
|
|
width += adv;
|
|
/*
|
|
if (i != textlen - 1) {
|
|
const uint8_t adv = g[2]; // advance
|
|
width += adv;
|
|
} else { // last character
|
|
const uint8_t w = g[0]; // width
|
|
const uint8_t bearX = g[3]; // bearingX
|
|
width += (bearX + w);
|
|
}
|
|
*/
|
|
}
|
|
return width;
|
|
}
|
|
|
|
// Returns how many characters of the string can be used before exceeding
|
|
// the requested width. Tries to avoid breaking words if possible.
|
|
int display_text_split(const char *text, int textlen, int font,
|
|
int requested_width) {
|
|
int width = 0;
|
|
int lastspace = 0;
|
|
// determine text length if not provided
|
|
if (textlen < 0) {
|
|
textlen = strlen(text);
|
|
}
|
|
for (int i = 0; i < textlen; i++) {
|
|
if (text[i] == ' ') {
|
|
lastspace = i;
|
|
}
|
|
const uint8_t *g = font_get_glyph(font, (uint8_t)text[i]);
|
|
if (!g) continue;
|
|
const uint8_t adv = g[2]; // advance
|
|
width += adv;
|
|
if (width > requested_width) {
|
|
if (lastspace > 0) {
|
|
return lastspace;
|
|
} else {
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
return textlen;
|
|
}
|
|
|
|
#ifdef TREZOR_PRODTEST
|
|
|
|
#include "qr-code-generator/qrcodegen.h"
|
|
#define QR_MAX_VERSION 9
|
|
|
|
void display_qrcode(int x, int y, const char *data, uint8_t scale) {
|
|
if (scale < 1 || scale > 10) return;
|
|
|
|
uint8_t codedata[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_MAX_VERSION)] = {0};
|
|
uint8_t tempdata[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_MAX_VERSION)] = {0};
|
|
|
|
int side = 0;
|
|
if (qrcodegen_encodeText(data, tempdata, codedata, qrcodegen_Ecc_MEDIUM,
|
|
qrcodegen_VERSION_MIN, QR_MAX_VERSION,
|
|
qrcodegen_Mask_AUTO, true)) {
|
|
side = qrcodegen_getSize(codedata);
|
|
}
|
|
|
|
x += DISPLAY_OFFSET.x - (side + 2) * scale / 2;
|
|
y += DISPLAY_OFFSET.y - (side + 2) * scale / 2;
|
|
int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
|
|
clamp_coords(x, y, (side + 2) * scale, (side + 2) * 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) / scale - 1;
|
|
int ry = (j - y) / scale - 1;
|
|
// 1px border
|
|
if (rx < 0 || ry < 0 || rx >= side || ry >= side) {
|
|
PIXELDATA(0xFFFF);
|
|
continue;
|
|
}
|
|
if (qrcodegen_getModule(codedata, rx, ry)) {
|
|
PIXELDATA(0x0000);
|
|
} else {
|
|
PIXELDATA(0xFFFF);
|
|
}
|
|
}
|
|
}
|
|
PIXELDATA_DIRTY();
|
|
}
|
|
|
|
#endif
|
|
|
|
void display_offset(int set_xy[2], int *get_x, int *get_y) {
|
|
if (set_xy) {
|
|
DISPLAY_OFFSET.x = set_xy[0];
|
|
DISPLAY_OFFSET.y = set_xy[1];
|
|
}
|
|
*get_x = DISPLAY_OFFSET.x;
|
|
*get_y = DISPLAY_OFFSET.y;
|
|
}
|
|
|
|
void display_fade(int start, int end, int delay) {
|
|
for (int i = 0; i < 100; i++) {
|
|
display_backlight(start + i * (end - start) / 100);
|
|
hal_delay(delay / 100);
|
|
}
|
|
display_backlight(end);
|
|
}
|
|
|
|
#define UTF8_IS_CONT(ch) (((ch)&0xC0) == 0x80)
|
|
|
|
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) {
|
|
size_t i = 0;
|
|
|
|
for (; i < buf_len; i++) {
|
|
if (char_off == 0) {
|
|
break;
|
|
}
|
|
if (!UTF8_IS_CONT(buf_start[i])) {
|
|
char_off--;
|
|
}
|
|
}
|
|
size_t i_start = i;
|
|
|
|
for (; i < buf_len; i++) {
|
|
if (char_len == 0) {
|
|
break;
|
|
}
|
|
if (!UTF8_IS_CONT(buf_start[i])) {
|
|
char_len--;
|
|
}
|
|
}
|
|
|
|
for (; i < buf_len; i++) {
|
|
if (!UTF8_IS_CONT(buf_start[i])) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
*out_start = buf_start + i_start;
|
|
*out_len = i - i_start;
|
|
}
|
|
|
|
void display_pixeldata_dirty(void) { PIXELDATA_DIRTY(); }
|