mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-27 01:48:17 +00:00
359 lines
10 KiB
C
359 lines
10 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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#ifdef DISPLAY_EFFICIENT_CLEAR
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display_efficient_clear();
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#else
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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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#endif
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display_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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display_pixeldata_dirty();
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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 TREZOR_FONT_BPP == 4
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uint8_t wa = w + (w & 1);
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#else
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uint8_t wa = w;
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#endif
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if (wa && h) {
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for (int j = 0; j < h; j++) {
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for (int i = 0; i < wa; i++) {
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const int a = i + j * wa;
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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] >> ((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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#ifdef FRAMEBUFFER
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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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int total_adv = 0;
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uint32_t *fb = display_get_fb_addr();
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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 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 TREZOR_FONT_BPP == 4
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uint8_t wa = w + (w & 1);
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#else
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uint8_t wa = w;
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#endif
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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 < wa; i++) {
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const int a = i + j * wa;
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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] >> ((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 = x + i + total_adv + bearX;
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int y_pos = y + j - bearY;
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if (y_pos < 0) continue;
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if (x_pos >= DISPLAY_FRAMEBUFFER_WIDTH || x_pos < 0 ||
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y_pos >= DISPLAY_FRAMEBUFFER_HEIGHT || y_pos < 0) {
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continue;
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}
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display_pixel((uint8_t *)fb, x_pos, y_pos, colortable[c]);
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}
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}
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}
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total_adv += adv;
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}
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display_pixeldata_dirty();
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}
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#else
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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 TREZOR_FONT_BPP == 4
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uint8_t wa = w + (w & 1);
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#else
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uint8_t wa = w;
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#endif
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if (wa && 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 * wa;
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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] >> ((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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display_pixeldata_dirty();
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}
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#endif
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void display_text(int x, int y, const char *text, int textlen, int font,
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uint16_t fgcolor, uint16_t bgcolor) {
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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display_text_render(x, y, text, textlen, font, fgcolor, bgcolor);
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}
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void display_text_center(int x, int y, const char *text, int textlen, int font,
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uint16_t fgcolor, uint16_t bgcolor) {
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int w = font_text_width(font, text, textlen);
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display_text_render(x - w / 2, y, text, textlen, font, fgcolor, bgcolor);
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}
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void display_text_right(int x, int y, const char *text, int textlen, int font,
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uint16_t fgcolor, uint16_t bgcolor) {
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int w = font_text_width(font, text, textlen);
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display_text_render(x - w, y, text, textlen, font, fgcolor, bgcolor);
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}
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#ifdef TREZOR_PRODTEST
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#include "qr-code-generator/qrcodegen.h"
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#define QR_MAX_VERSION 9
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void display_qrcode(int x, int y, const char *data, uint8_t scale) {
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if (scale < 1 || scale > 10) return;
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uint8_t codedata[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_MAX_VERSION)] = {0};
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uint8_t tempdata[qrcodegen_BUFFER_LEN_FOR_VERSION(QR_MAX_VERSION)] = {0};
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int side = 0;
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if (qrcodegen_encodeText(data, tempdata, codedata, qrcodegen_Ecc_MEDIUM,
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qrcodegen_VERSION_MIN, QR_MAX_VERSION,
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qrcodegen_Mask_AUTO, true)) {
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side = qrcodegen_getSize(codedata);
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}
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x += DISPLAY_OFFSET.x - (side + 2) * scale / 2;
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y += DISPLAY_OFFSET.y - (side + 2) * scale / 2;
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int x0 = 0, y0 = 0, x1 = 0, y1 = 0;
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clamp_coords(x, y, (side + 2) * scale, (side + 2) * scale, &x0, &y0, &x1,
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&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) / scale - 1;
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int ry = (j - y) / scale - 1;
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// 1px border
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if (rx < 0 || ry < 0 || rx >= side || ry >= side) {
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PIXELDATA(0xFFFF);
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continue;
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}
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if (qrcodegen_getModule(codedata, rx, ry)) {
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PIXELDATA(0x0000);
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} else {
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PIXELDATA(0xFFFF);
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}
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}
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}
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display_pixeldata_dirty();
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}
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#endif
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void display_offset(int set_xy[2], int *get_x, int *get_y) {
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if (set_xy) {
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DISPLAY_OFFSET.x = set_xy[0];
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DISPLAY_OFFSET.y = set_xy[1];
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}
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*get_x = DISPLAY_OFFSET.x;
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*get_y = DISPLAY_OFFSET.y;
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}
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