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stopwatch opt (#2578)

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* stopwatch opt

* comments

* format

* fxi ms display when user tune display level
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sommermorgentraum 2025-03-21 10:34:10 +08:00 • committed by GitHub
parent 4ecc9d04fe
commit 0ce6ea8318
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6 changed files with 283 additions and 22 deletions
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31
firmware/common/ui_painter.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* copyleft Mr. Robot
*
* This file is part of PortaPack.
*
@ -35,10 +36,34 @@ Style Style::invert() const {
.foreground = background};
}
int Painter::draw_char(Point p, const Style& style, char c) {
int Painter::draw_char(Point p, const Style& style, char c, uint8_t zoom_factor) {
const auto glyph = style.font.glyph(c);
display.draw_glyph(p, glyph, style.foreground, style.background);
return glyph.advance().x();
if (zoom_factor <= 1) {
display.draw_glyph(p, glyph, style.foreground, style.background);
} else {
// dot to square
const uint8_t* pixels = glyph.pixels();
for (int y = 0; y < glyph.h(); y++) { // each line
for (int x = 0; x < glyph.w(); x++) { // each clum
// pos
int byte_index = (y * glyph.w() + x) / 8;
int bit_pos = (y * glyph.w() + x) % 8;
// fill
Color pixel_color = ((pixels[byte_index] & (1 << bit_pos)) != 0) ? style.foreground : style.background;
/* ^ true: fg, false: bg
^ the byte_index-th bit AKA current bit
^ current px in current byte */
display.fill_rectangle(
{p.x() + x * zoom_factor, p.y() + y * zoom_factor,
zoom_factor, zoom_factor},
pixel_color);
}
}
}
return glyph.advance().x() * zoom_factor;
}
int Painter::draw_string(Point p, const Style& style, std::string_view text) {