mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-16 11:28:14 +00:00
644 lines
22 KiB
C
644 lines
22 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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#include "inflate.h"
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#include "font_bitmap.h"
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#ifdef TREZOR_FONT_MONO_ENABLE
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#include "font_robotomono_regular_20.h"
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#endif
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#ifdef TREZOR_FONT_NORMAL_ENABLE
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#include "font_roboto_regular_20.h"
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#endif
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#ifdef TREZOR_FONT_BOLD_ENABLE
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#include "font_roboto_bold_20.h"
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#endif
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#include "trezor-qrenc/qr_encode.h"
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#include "common.h"
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#include "display.h"
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#include <string.h>
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#include <stdarg.h>
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static int DISPLAY_BACKLIGHT = -1;
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static int DISPLAY_ORIENTATION = -1;
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static struct {
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int x, y;
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} DISPLAY_OFFSET;
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#if defined TREZOR_MODEL_T
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#include "display-stm32.h"
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#elif defined TREZOR_MODEL_EMU
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#include "display-unix.h"
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#else
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#error Unsupported TREZOR port. Only STM32 and UNIX ports are supported.
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#endif
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// common display functions
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static inline uint16_t interpolate_color(uint16_t color0, uint16_t color1, uint8_t step)
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{
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uint8_t cr, cg, cb;
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cr = (((color0 & 0xF800) >> 11) * step + ((color1 & 0xF800) >> 11) * (15 - step)) / 15;
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cg = (((color0 & 0x07E0) >> 5) * step + ((color1 & 0x07E0) >> 5) * (15 - step)) / 15;
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cb = ((color0 & 0x001F) * step + (color1 & 0x001F) * (15 - step)) / 15;
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return (cr << 11) | (cg << 5) | cb;
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}
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static inline void set_color_table(uint16_t colortable[16], uint16_t fgcolor, uint16_t bgcolor)
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{
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for (int i = 0; i < 16; i++) {
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colortable[i] = interpolate_color(fgcolor, bgcolor, i);
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}
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}
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static inline void clamp_coords(int x, int y, int w, int h, int *x0, int *y0, int *x1, int *y1)
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{
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*x0 = MAX(x, 0);
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*y0 = MAX(y, 0);
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*x1 = MIN(x + w - 1, DISPLAY_RESX - 1);
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*y1 = MIN(y + h - 1, DISPLAY_RESY - 1);
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}
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void display_clear(void)
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{
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const int saved_orientation = DISPLAY_ORIENTATION;
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display_orientation(0); // set MADCTL first so that we can set the window correctly next
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display_set_window(0, 0, MAX_DISPLAY_RESX - 1, MAX_DISPLAY_RESY - 1); // address the complete frame memory
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for (uint32_t i = 0; i < MAX_DISPLAY_RESX * MAX_DISPLAY_RESY; i++) {
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PIXELDATA(0x0000); // 2 bytes per pixel because we're using RGB 5-6-5 format
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}
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1); // go back to restricted window
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display_orientation(saved_orientation); // if valid, go back to the saved orientation
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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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{
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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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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}
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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,
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0, 0, 0, 0, 0, 0, 0, 0, 3, 9, 15, 15, 15, 15, 15, 15,
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0, 0, 0, 0, 0, 0, 0, 8, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 0, 0, 0, 0, 3, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 0, 0, 3, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 0, 0, 12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 0, 8, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 3, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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0, 9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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1, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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5, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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9, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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12, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
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14, 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, 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, uint8_t r)
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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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uint16_t colortable[16];
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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, y0, x1, y1;
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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
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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
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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
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if (rx >= w - CORNER_RADIUS / r && ry >= h - CORNER_RADIUS / r) {
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uint8_t c = 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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}
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static void inflate_callback_image(uint8_t byte1, uint32_t pos, void *userdata)
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{
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static uint8_t byte0;
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if (pos % 2 == 0) {
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byte0 = byte1;
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return;
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}
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int px = (pos / 2) % w;
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const int py = (pos / 2) / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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PIXELDATA((byte0 << 8) | byte1);
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}
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}
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void display_image(int x, int y, int w, int h, const void *data, int datalen)
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{
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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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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int userdata[5] = {w, x0 - x, x1 - x, y0 - y, y1 - y};
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sinf_inflate(data, datalen, inflate_callback_image, userdata);
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}
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static void inflate_callback_avatar(uint8_t byte1, uint32_t pos, void *userdata)
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{
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#define AVATAR_BORDER_SIZE 4
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#define AVATAR_BORDER_LOW (AVATAR_IMAGE_SIZE / 2 - AVATAR_BORDER_SIZE) * (AVATAR_IMAGE_SIZE / 2 - AVATAR_BORDER_SIZE)
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#define AVATAR_BORDER_HIGH (AVATAR_IMAGE_SIZE / 2) * (AVATAR_IMAGE_SIZE / 2)
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#define AVATAR_ANTIALIAS 1
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static uint8_t byte0;
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if (pos % 2 == 0) {
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byte0 = byte1;
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return;
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}
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int fgcolor = ((const int *)userdata)[5];
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const int bgcolor = ((const int *)userdata)[6];
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const int px = (pos / 2) % w;
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const int py = (pos / 2) / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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int d = (px - w / 2) * (px - w / 2) + (py - w / 2) * (py - w / 2);
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// inside border area
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if (d < AVATAR_BORDER_LOW) {
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PIXELDATA((byte0 << 8) | byte1);
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} else
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// outside border area
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if (d > AVATAR_BORDER_HIGH) {
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PIXELDATA(bgcolor);
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// border area
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} else {
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#if AVATAR_ANTIALIAS
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d = 31 * (d - AVATAR_BORDER_LOW) / (AVATAR_BORDER_HIGH - AVATAR_BORDER_LOW);
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uint16_t c;
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if (d >= 16) {
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c = interpolate_color(bgcolor, fgcolor, d - 16);
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} else {
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c = interpolate_color(fgcolor, (byte0 << 8) | byte1 , d);
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}
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PIXELDATA(c);
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#else
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PIXELDATA(fgcolor);
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#endif
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}
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}
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}
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void display_avatar(int x, int y, const void *data, int datalen, uint16_t fgcolor, uint16_t bgcolor)
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{
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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int x0, y0, x1, y1;
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clamp_coords(x, y, AVATAR_IMAGE_SIZE, AVATAR_IMAGE_SIZE, &x0, &y0, &x1, &y1);
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display_set_window(x0, y0, x1, y1);
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int userdata[7] = {AVATAR_IMAGE_SIZE, x0 - x, x1 - x, y0 - y, y1 - y, fgcolor, bgcolor};
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sinf_inflate(data, datalen, inflate_callback_avatar, userdata);
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}
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static void inflate_callback_icon(uint8_t byte, uint32_t pos, void *userdata)
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{
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const uint16_t *colortable = (const uint16_t *)(((const int *)userdata) + 5);
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const int w = ((const int *)userdata)[0];
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const int x0 = ((const int *)userdata)[1];
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const int x1 = ((const int *)userdata)[2];
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const int y0 = ((const int *)userdata)[3];
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const int y1 = ((const int *)userdata)[4];
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const int px = (pos * 2) % w;
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const int py = (pos * 2) / w;
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if (px >= x0 && px <= x1 && py >= y0 && py <= y1) {
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PIXELDATA(colortable[byte >> 4]);
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PIXELDATA(colortable[byte & 0x0F]);
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}
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}
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void display_icon(int x, int y, int w, int h, const void *data, int datalen, uint16_t fgcolor, uint16_t bgcolor)
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{
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x += DISPLAY_OFFSET.x;
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y += DISPLAY_OFFSET.y;
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x &= ~1; // cannot draw at odd coordinate
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int x0, y0, x1, y1;
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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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int userdata[5 + 16 * sizeof(uint16_t) / sizeof(int)] = {w, x0 - x, x1 - x, y0 - y, y1 - y};
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set_color_table((uint16_t *)(userdata + 5), fgcolor, bgcolor);
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sinf_inflate(data, datalen, inflate_callback_icon, userdata);
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}
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static const uint8_t *get_glyph(uint8_t font, uint8_t c)
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{
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if (c >= ' ' && c <= '~') {
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// do nothing - valid ASCII
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} else
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// UTF-8 handling: https://en.wikipedia.org/wiki/UTF-8#Description
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if (c >= 0xC0) {
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// bytes 11xxxxxx are first byte of UTF-8 characters
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c = '_';
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} else {
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// bytes 10xxxxxx are successive UTF-8 characters
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return 0;
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}
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switch (font) {
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#ifdef TREZOR_FONT_MONO_ENABLE
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case FONT_MONO:
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return Font_RobotoMono_Regular_20[c - ' '];
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#endif
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#ifdef TREZOR_FONT_NORMAL_ENABLE
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case FONT_NORMAL:
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return Font_Roboto_Regular_20[c - ' '];
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#endif
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#ifdef TREZOR_FONT_BOLD_ENABLE
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case FONT_BOLD:
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return Font_Roboto_Bold_20[c - ' '];
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#endif
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}
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return 0;
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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, 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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{
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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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{
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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], DISPLAY_PRINT_COLS);
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}
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memset(display_print_buf[DISPLAY_PRINT_ROWS - 1], 0x00, 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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int j = y % 8; y /= 8;
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int k = x % 6; x /= 6;
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char c = display_print_buf[y][x] & 0x7F;
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// char invert = display_print_buf[y][x] & 0x80;
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if (c < ' ') c = ' ';
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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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display_refresh();
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}
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#ifdef TREZOR_MODEL_EMU
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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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{
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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];
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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, uint8_t font, uint16_t fgcolor, uint16_t bgcolor)
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{
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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];
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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 = get_glyph(font, (uint8_t)text[i]);
|
|
if (!g) continue;
|
|
const uint8_t w = g[0]; // width
|
|
const uint8_t h = g[1]; // height
|
|
const uint8_t adv = g[2]; // advance
|
|
const uint8_t bearX = g[3]; // bearingX
|
|
const uint8_t bearY = g[4]; // bearingY
|
|
if (w && h) {
|
|
const int sx = x + bearX;
|
|
const int sy = y - bearY;
|
|
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++) {
|
|
const int rx = i - sx;
|
|
const int ry = j - sy;
|
|
const int a = rx + ry * w;
|
|
#if FONT_BPP == 2
|
|
const uint8_t c = ((g[5 + a / 4] >> (6 - (a % 4) * 2)) & 0x03) * 5;
|
|
#elif FONT_BPP == 4
|
|
const uint8_t c = (g[5 + a / 2] >> (4 - (a % 2) * 4)) & 0x0F;
|
|
#else
|
|
#error Unsupported FONT_BPP value
|
|
#endif
|
|
PIXELDATA(colortable[c]);
|
|
}
|
|
}
|
|
}
|
|
x += adv;
|
|
}
|
|
}
|
|
|
|
void display_text(int x, int y, const char *text, int textlen, uint8_t 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, uint8_t 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, uint8_t 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, uint8_t 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 = 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;
|
|
}
|
|
|
|
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 += DISPLAY_OFFSET.x - (side + 2) * scale / 2;
|
|
y += DISPLAY_OFFSET.y - (side + 2) * scale / 2;
|
|
int x0, y0, x1, y1;
|
|
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;
|
|
}
|
|
int a = ry * side + rx;
|
|
if (bitdata[a / 8] & (1 << (7 - a % 8))) {
|
|
PIXELDATA(0x0000);
|
|
} else {
|
|
PIXELDATA(0xFFFF);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#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;
|
|
}
|
|
PIXELDATA(iconcolortable[c]);
|
|
} else {
|
|
uint8_t c;
|
|
if (progress > a) {
|
|
c = (img_loader[my][mx] & 0x00F0) >> 4;
|
|
} else {
|
|
c = img_loader[my][mx] & 0x000F;
|
|
}
|
|
PIXELDATA(colortable[c]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
int display_orientation(int degrees)
|
|
{
|
|
if (degrees != DISPLAY_ORIENTATION) {
|
|
if (degrees == 0 || degrees == 90 || degrees == 180 || degrees == 270) {
|
|
DISPLAY_ORIENTATION = degrees;
|
|
display_set_orientation(degrees);
|
|
}
|
|
}
|
|
return DISPLAY_ORIENTATION;
|
|
}
|
|
|
|
int display_backlight(int val)
|
|
{
|
|
if (DISPLAY_BACKLIGHT != val && val >= 0 && val <= 255) {
|
|
DISPLAY_BACKLIGHT = val;
|
|
display_set_backlight(val);
|
|
}
|
|
return DISPLAY_BACKLIGHT;
|
|
}
|
|
|
|
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);
|
|
}
|