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795 lines
22 KiB
795 lines
22 KiB
use super::constant;
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use crate::{
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error::Error,
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time::Duration,
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trezorhal::{display, qr, time, uzlib},
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ui::lerp::Lerp,
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};
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use core::slice;
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use super::geometry::{Offset, Point, Rect};
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pub fn backlight() -> i32 {
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display::backlight(-1)
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}
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pub fn set_backlight(val: i32) {
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display::backlight(val);
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}
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pub fn fade_backlight(target: i32) {
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const BACKLIGHT_DELAY: Duration = Duration::from_millis(14);
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const BACKLIGHT_STEP: usize = 15;
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let current = backlight();
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if current < target {
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for val in (current..target).step_by(BACKLIGHT_STEP) {
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set_backlight(val);
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time::sleep(BACKLIGHT_DELAY);
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}
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} else {
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for val in (target..current).rev().step_by(BACKLIGHT_STEP) {
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set_backlight(val);
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time::sleep(BACKLIGHT_DELAY);
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}
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}
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}
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pub fn rect_fill(r: Rect, fg_color: Color) {
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display::bar(r.x0, r.y0, r.width(), r.height(), fg_color.into());
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}
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pub fn rect_stroke(r: Rect, fg_color: Color) {
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display::bar(r.x0, r.y0, r.width(), 1, fg_color.into());
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display::bar(r.x0, r.y0 + r.height() - 1, r.width(), 1, fg_color.into());
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display::bar(r.x0, r.y0, 1, r.height(), fg_color.into());
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display::bar(r.x0 + r.width() - 1, r.y0, 1, r.height(), fg_color.into());
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}
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pub fn rect_fill_rounded(r: Rect, fg_color: Color, bg_color: Color, radius: u8) {
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assert!([2, 4, 8, 16].iter().any(|allowed| radius == *allowed));
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display::bar_radius(
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r.x0,
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r.y0,
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r.width(),
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r.height(),
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fg_color.into(),
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bg_color.into(),
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radius,
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);
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}
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/// NOTE: Cannot start at odd x-coordinate. In this case icon is shifted 1px
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/// left.
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pub fn icon_top_left(top_left: Point, data: &[u8], fg_color: Color, bg_color: Color) {
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let toif_info = display::toif_info(data).unwrap();
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assert!(toif_info.grayscale);
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display::icon(
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top_left.x,
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top_left.y,
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toif_info.width.into(),
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toif_info.height.into(),
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&data[12..], // Skip TOIF header.
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fg_color.into(),
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bg_color.into(),
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);
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}
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pub fn icon(center: Point, data: &[u8], fg_color: Color, bg_color: Color) {
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let toif_info = display::toif_info(data).unwrap();
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assert!(toif_info.grayscale);
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let r = Rect::from_center_and_size(
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center,
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Offset::new(toif_info.width.into(), toif_info.height.into()),
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);
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display::icon(
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r.x0,
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r.y0,
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r.width(),
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r.height(),
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&data[12..], // Skip TOIF header.
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fg_color.into(),
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bg_color.into(),
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);
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}
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pub fn icon_rust(center: Point, data: &[u8], fg_color: Color, bg_color: Color) {
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let toif_info = display::toif_info(data).unwrap();
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assert!(toif_info.grayscale);
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let r = Rect::from_center_and_size(
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center,
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Offset::new(toif_info.width.into(), toif_info.height.into()),
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);
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let area = r.translate(get_offset());
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let clamped = area.clamp(constant::screen());
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let colortable = get_color_table(fg_color, bg_color);
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set_window(clamped);
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let mut dest = [0_u8; 1];
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let mut ctx = uzlib::UzlibContext::new(&data[12..], true);
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for py in area.y0..area.y1 {
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for px in area.x0..area.x1 {
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let p = Point::new(px, py);
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let x = p.x - area.x0;
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if clamped.contains(p) {
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if x % 2 == 0 {
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ctx.uncompress(&mut dest).unwrap();
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pixeldata(colortable[(dest[0] >> 4) as usize]);
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} else {
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pixeldata(colortable[(dest[0] & 0xF) as usize]);
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}
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} else if x % 2 == 0 {
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//continue unzipping but dont write to display
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ctx.uncompress(&mut dest).unwrap();
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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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pub fn image(center: Point, data: &[u8]) {
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let toif_info = display::toif_info(data).unwrap();
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assert!(!toif_info.grayscale);
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let r = Rect::from_center_and_size(
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center,
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Offset::new(toif_info.width.into(), toif_info.height.into()),
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);
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display::image(
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r.x0,
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r.y0,
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r.width(),
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r.height(),
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&data[12..], // Skip TOIF header.
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);
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}
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pub fn toif_info(data: &[u8]) -> Option<(Offset, bool)> {
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if let Ok(info) = display::toif_info(data) {
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Some((
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Offset::new(info.width.into(), info.height.into()),
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info.grayscale,
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))
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} else {
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None
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}
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}
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// Used on T1 only.
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pub fn rect_fill_rounded1(r: Rect, fg_color: Color, bg_color: Color) {
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display::bar(r.x0, r.y0, r.width(), r.height(), fg_color.into());
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let corners = [
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r.top_left(),
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r.top_right() - Offset::x(1),
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r.bottom_right() - Offset::uniform(1),
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r.bottom_left() - Offset::y(1),
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];
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for p in corners.iter() {
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display::bar(p.x, p.y, 1, 1, bg_color.into());
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}
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}
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub struct TextOverlay<'a> {
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area: Rect,
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text: &'a str,
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font: Font,
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}
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impl<'a> TextOverlay<'a> {
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pub fn new(text: &'a str, font: Font) -> Self {
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let area = Rect::zero();
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Self { area, text, font }
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}
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pub fn place(&mut self, baseline: Point) {
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let text_width = self.font.text_width(self.text);
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let text_height = self.font.text_height();
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let text_area_start = baseline + Offset::new(-(text_width / 2), -text_height);
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let text_area_end = baseline + Offset::new(text_width / 2, 0);
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let area = Rect::new(text_area_start, text_area_end);
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self.area = area;
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}
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pub fn get_pixel(&self, underlying: Color, fg: Color, p: Point) -> Color {
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if !self.area.contains(p) {
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return underlying;
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}
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let mut tot_adv = 0;
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let p_rel = Point::new(p.x - self.area.x0, p.y - self.area.y0);
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for g in self.text.bytes().filter_map(|c| self.font.get_glyph(c)) {
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let char_area = Rect::new(
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Point::new(tot_adv + g.bearing_x, g.height - g.bearing_y),
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Point::new(tot_adv + g.bearing_x + g.width, g.bearing_y),
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);
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tot_adv += g.adv;
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if !char_area.contains(p_rel) {
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continue;
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}
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let p_inner = p_rel - char_area.top_left();
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let overlay_data = g.get_pixel_data(p_inner);
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return Color::lerp(underlying, fg, overlay_data as f32 / 15_f32);
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}
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underlying
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}
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}
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/// Performs a conversion from `angle` (in degrees) to a vector (`Point`)
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/// (polar to cartesian transformation)
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/// Suitable for cases where we don't care about distance, it is assumed 1000
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///
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/// The implementation could be replaced by (cos(`angle`), sin(`angle`)),
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/// if we allow trigonometric functions.
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/// In the meantime, approximate this with predefined octagon
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fn get_vector(angle: i32) -> Point {
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//octagon vertices
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let v = [
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Point::new(0, 1000),
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Point::new(707, 707),
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Point::new(1000, 0),
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Point::new(707, -707),
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Point::new(0, -1000),
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Point::new(-707, -707),
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Point::new(-1000, 0),
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Point::new(-707, 707),
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];
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let angle = angle % 360;
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let vertices = v.len() as i32;
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let sector_length = 360 / vertices; // only works if 360 is divisible by vertices
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let sector = angle / sector_length;
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let sector_angle = (angle % sector_length) as f32;
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let v1 = v[sector as usize];
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let v2 = v[((sector + 1) % vertices) as usize];
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Point::lerp(v1, v2, sector_angle / sector_length as f32)
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}
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/// Find whether vector `v2` is clockwise to another vector v1
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/// `n_v1` is counter clockwise normal vector to v1
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/// ( if v1=(x1,y1), then the counter-clockwise normal is n_v1=(-y1,x1)
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#[inline(always)]
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fn is_clockwise_or_equal(n_v1: Point, v2: Point) -> bool {
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let psize = v2.x * n_v1.x + v2.y * n_v1.y;
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psize < 0
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}
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/// Find whether vector v2 is clockwise or equal to another vector v1
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/// `n_v1` is counter clockwise normal vector to v1
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/// ( if v1=(x1,y1), then the counter-clockwise normal is n_v1=(-y1,x1)
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#[inline(always)]
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fn is_clockwise_or_equal_inc(n_v1: Point, v2: Point) -> bool {
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let psize = v2.x * n_v1.x + v2.y * n_v1.y;
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psize <= 0
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}
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/// Draw a rounded rectangle with corner radius 2
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/// Draws only a part (sector of a corresponding circe)
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/// of the rectangle according to `show_percent` argument,
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/// and optionally draw an `icon` inside
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pub fn rect_rounded2_partial(
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area: Rect,
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fg_color: Color,
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bg_color: Color,
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show_percent: i32,
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icon: Option<(&[u8], Color)>,
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) {
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const MAX_ICON_SIZE: u16 = 64;
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let r = area.translate(get_offset());
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let clamped = r.clamp(constant::screen());
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set_window(clamped);
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let center = r.center();
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let colortable = get_color_table(fg_color, bg_color);
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let mut icon_colortable = colortable;
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let mut use_icon = false;
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let mut icon_area = Rect::zero();
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let mut icon_area_clamped = Rect::zero();
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let mut icon_data = [0_u8; ((MAX_ICON_SIZE * MAX_ICON_SIZE) / 2) as usize];
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let mut icon_width = 0;
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if let Some((icon_bytes, icon_color)) = icon {
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let toif_info = display::toif_info(icon_bytes).unwrap();
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assert!(toif_info.grayscale);
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if toif_info.width <= MAX_ICON_SIZE && toif_info.height <= MAX_ICON_SIZE {
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icon_area = Rect::from_center_and_size(
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center,
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Offset::new(toif_info.width.into(), toif_info.height.into()),
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);
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icon_area_clamped = icon_area.clamp(constant::screen());
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let mut ctx = uzlib::UzlibContext::new(&icon_bytes[12..], false);
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ctx.uncompress(&mut icon_data).unwrap();
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icon_colortable = get_color_table(icon_color, bg_color);
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icon_width = toif_info.width.into();
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use_icon = true;
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}
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}
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let start = 0;
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let end = (start + ((360 * show_percent) / 100)) % 360;
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let start_vector;
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let end_vector;
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let mut show_all = false;
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let mut inverted = false;
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if show_percent >= 100 {
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show_all = true;
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start_vector = Point::zero();
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end_vector = Point::zero();
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} else if show_percent > 50 {
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inverted = true;
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start_vector = get_vector(end);
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end_vector = get_vector(start);
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} else {
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start_vector = get_vector(start);
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end_vector = get_vector(end);
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}
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let n_start = Point::new(-start_vector.y, start_vector.x);
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for y_c in r.y0..r.y1 {
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for x_c in r.x0..r.x1 {
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let p = Point::new(x_c, y_c);
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let mut icon_pixel = false;
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if use_icon && icon_area_clamped.contains(p) {
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let x_i = p.x - icon_area.x0;
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let y_i = p.y - icon_area.y0;
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let data = icon_data[(((x_i & 0xFE) + (y_i * icon_width)) / 2) as usize];
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if (x_i & 0x01) == 0 {
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pixeldata(icon_colortable[(data >> 4) as usize]);
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} else {
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pixeldata(icon_colortable[(data & 0xF) as usize]);
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}
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icon_pixel = true;
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}
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if !clamped.contains(p) || icon_pixel {
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continue;
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}
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let y_p = -(p.y - center.y);
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let x_p = p.x - center.x;
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let vx = Point::new(x_p, y_p);
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let n_vx = Point::new(-y_p, x_p);
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let is_past_start = is_clockwise_or_equal(n_start, vx);
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let is_before_end = is_clockwise_or_equal_inc(n_vx, end_vector);
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if show_all
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|| (!inverted && (is_past_start && is_before_end))
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|| (inverted && !(is_past_start && is_before_end))
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{
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let p_b = p - r.top_left();
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let c = rect_rounded2_get_pixel(p_b, r.size(), colortable, false, 2);
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pixeldata(c);
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} else {
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pixeldata(bg_color);
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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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|
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/// Gets a color of a pixel on `p` coordinates of rounded rectangle with corner
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/// radius 2
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fn rect_rounded2_get_pixel(
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p: Offset,
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size: Offset,
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colortable: [Color; 16],
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fill: bool,
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line_width: i32,
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) -> Color {
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let border = (p.x >= 0 && p.x < line_width)
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|| ((p.x >= size.x - line_width) && p.x <= (size.x - 1))
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|| (p.y >= 0 && p.y < line_width)
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|| ((p.y >= size.y - line_width) && p.y <= (size.y - 1));
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|
|
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let corner_lim = 2 * line_width;
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let corner_inner = line_width;
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|
|
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let corner_all = ((p.x > size.x - (corner_lim + 1)) || p.x < corner_lim)
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&& (p.y < corner_lim || p.y > size.y - (corner_lim + 1));
|
|
|
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let corner = corner_all
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&& (p.y >= corner_inner)
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&& (p.x >= corner_inner)
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&& (p.y <= size.y - (corner_inner + 1))
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&& (p.x <= size.x - (corner_inner + 1));
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|
|
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let corner_out = corner_all && !corner;
|
|
|
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if (border || corner || fill) && !corner_out {
|
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colortable[15]
|
|
} else {
|
|
colortable[0]
|
|
}
|
|
}
|
|
|
|
/// Draws a rounded rectangle with corner radius 2, partially filled
|
|
/// according to `fill_from` and `fill_to` arguments.
|
|
/// Optionally draws a text inside the rectangle and adjusts its color to match
|
|
/// the fill. The coordinates of the text are specified in the TextOverlay
|
|
/// struct.
|
|
pub fn bar_with_text_and_fill(
|
|
area: Rect,
|
|
overlay: Option<TextOverlay>,
|
|
fg_color: Color,
|
|
bg_color: Color,
|
|
fill_from: i32,
|
|
fill_to: i32,
|
|
) {
|
|
let r = area.translate(get_offset());
|
|
let clamped = r.clamp(constant::screen());
|
|
let colortable = get_color_table(fg_color, bg_color);
|
|
|
|
set_window(clamped);
|
|
|
|
for y_c in clamped.y0..clamped.y1 {
|
|
for x_c in clamped.x0..clamped.x1 {
|
|
let p = Point::new(x_c, y_c);
|
|
let r_offset = p - r.top_left();
|
|
|
|
let filled = (r_offset.x >= fill_from
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&& fill_from >= 0
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&& (r_offset.x <= fill_to || fill_to < fill_from))
|
|
|| (r_offset.x < fill_to && fill_to >= 0);
|
|
|
|
let underlying_color =
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rect_rounded2_get_pixel(r_offset, r.size(), colortable, filled, 1);
|
|
|
|
let final_color = overlay.map_or(underlying_color, |o| {
|
|
let text_color = if filled { bg_color } else { fg_color };
|
|
o.get_pixel(underlying_color, text_color, p)
|
|
});
|
|
|
|
pixeldata(final_color);
|
|
}
|
|
}
|
|
pixeldata_dirty();
|
|
}
|
|
|
|
// Used on T1 only.
|
|
pub fn dotted_line(start: Point, width: i32, color: Color) {
|
|
for x in (start.x..width).step_by(2) {
|
|
display::bar(x, start.y, 1, 1, color.into());
|
|
}
|
|
}
|
|
|
|
pub const LOADER_MIN: u16 = 0;
|
|
pub const LOADER_MAX: u16 = 1000;
|
|
|
|
pub fn loader(
|
|
progress: u16,
|
|
y_offset: i32,
|
|
fg_color: Color,
|
|
bg_color: Color,
|
|
icon: Option<(&[u8], Color)>,
|
|
) {
|
|
display::loader(
|
|
progress,
|
|
false,
|
|
y_offset,
|
|
fg_color.into(),
|
|
bg_color.into(),
|
|
icon.map(|i| i.0),
|
|
icon.map(|i| i.1.into()).unwrap_or(0),
|
|
);
|
|
}
|
|
|
|
pub fn loader_indeterminate(
|
|
progress: u16,
|
|
y_offset: i32,
|
|
fg_color: Color,
|
|
bg_color: Color,
|
|
icon: Option<(&[u8], Color)>,
|
|
) {
|
|
display::loader(
|
|
progress,
|
|
true,
|
|
y_offset,
|
|
fg_color.into(),
|
|
bg_color.into(),
|
|
icon.map(|i| i.0),
|
|
icon.map(|i| i.1.into()).unwrap_or(0),
|
|
);
|
|
}
|
|
|
|
pub fn qrcode(center: Point, data: &str, max_size: u32, case_sensitive: bool) -> Result<(), Error> {
|
|
qr::render_qrcode(center.x, center.y, data, max_size, case_sensitive)
|
|
}
|
|
|
|
pub fn text(baseline: Point, text: &str, font: Font, fg_color: Color, bg_color: Color) {
|
|
display::text(
|
|
baseline.x,
|
|
baseline.y,
|
|
text,
|
|
font.0,
|
|
fg_color.into(),
|
|
bg_color.into(),
|
|
);
|
|
}
|
|
|
|
pub fn text_center(baseline: Point, text: &str, font: Font, fg_color: Color, bg_color: Color) {
|
|
let w = font.text_width(text);
|
|
display::text(
|
|
baseline.x - w / 2,
|
|
baseline.y,
|
|
text,
|
|
font.0,
|
|
fg_color.into(),
|
|
bg_color.into(),
|
|
);
|
|
}
|
|
|
|
pub fn text_right(baseline: Point, text: &str, font: Font, fg_color: Color, bg_color: Color) {
|
|
let w = font.text_width(text);
|
|
display::text(
|
|
baseline.x - w,
|
|
baseline.y,
|
|
text,
|
|
font.0,
|
|
fg_color.into(),
|
|
bg_color.into(),
|
|
);
|
|
}
|
|
|
|
#[inline(always)]
|
|
pub fn pixeldata(color: Color) {
|
|
display::pixeldata(color.into());
|
|
}
|
|
|
|
pub fn pixeldata_dirty() {
|
|
display::pixeldata_dirty();
|
|
}
|
|
|
|
pub fn get_offset() -> Offset {
|
|
let offset = display::get_offset();
|
|
Offset::new(offset.0, offset.1)
|
|
}
|
|
|
|
pub fn set_window(window: Rect) {
|
|
display::set_window(
|
|
window.x0 as u16,
|
|
window.y0 as u16,
|
|
window.x1 as u16 - 1,
|
|
window.y1 as u16 - 1,
|
|
);
|
|
}
|
|
|
|
pub fn get_color_table(fg_color: Color, bg_color: Color) -> [Color; 16] {
|
|
let mut table: [Color; 16] = [Color::from_u16(0); 16];
|
|
|
|
for (i, item) in table.iter_mut().enumerate() {
|
|
*item = Color::lerp(bg_color, fg_color, i as f32 / 15_f32);
|
|
}
|
|
|
|
table
|
|
}
|
|
|
|
pub struct Glyph {
|
|
pub width: i32,
|
|
pub height: i32,
|
|
pub adv: i32,
|
|
pub bearing_x: i32,
|
|
pub bearing_y: i32,
|
|
data: &'static [u8],
|
|
}
|
|
|
|
impl Glyph {
|
|
/// Construct a `Glyph` from a raw pointer.
|
|
///
|
|
/// # Safety
|
|
///
|
|
/// This function is unsafe because the caller has to guarantee that `data`
|
|
/// is pointing to a memory containing a valid glyph data, that is:
|
|
/// - contains valid glyph metadata
|
|
/// - data has appropriate size
|
|
/// - data must have static lifetime
|
|
pub unsafe fn load(data: *const u8) -> Self {
|
|
unsafe {
|
|
let width = *data.offset(0) as i32;
|
|
let height = *data.offset(1) as i32;
|
|
|
|
let data_bits = constant::FONT_BPP * width * height;
|
|
|
|
let data_bytes = if data_bits % 8 == 0 {
|
|
data_bits / 8
|
|
} else {
|
|
(data_bits / 8) + 1
|
|
};
|
|
|
|
Glyph {
|
|
width,
|
|
height,
|
|
adv: *data.offset(2) as i32,
|
|
bearing_x: *data.offset(3) as i32,
|
|
bearing_y: *data.offset(4) as i32,
|
|
data: slice::from_raw_parts(data.offset(5), data_bytes as usize),
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn print(&self, pos: Point, colortable: [Color; 16]) -> i32 {
|
|
let bearing = Offset::new(self.bearing_x, -self.bearing_y);
|
|
let size = Offset::new(self.width, self.height);
|
|
let pos_adj = pos + bearing;
|
|
let r = Rect::from_top_left_and_size(pos_adj, size);
|
|
|
|
let area = r.translate(get_offset());
|
|
let window = area.clamp(constant::screen());
|
|
|
|
set_window(window);
|
|
|
|
for y in window.y0..window.y1 {
|
|
for x in window.x0..window.x1 {
|
|
let p = Point::new(x, y);
|
|
let r = p - pos_adj;
|
|
let c = self.get_pixel_data(r);
|
|
pixeldata(colortable[c as usize]);
|
|
}
|
|
}
|
|
self.adv
|
|
}
|
|
|
|
pub fn unpack_bpp1(&self, a: i32) -> u8 {
|
|
let c_data = self.data[(a / 8) as usize];
|
|
((c_data >> (7 - (a % 8))) & 0x01) * 15
|
|
}
|
|
|
|
pub fn unpack_bpp2(&self, a: i32) -> u8 {
|
|
let c_data = self.data[(a / 4) as usize];
|
|
((c_data >> (6 - (a % 4) * 2)) & 0x03) * 5
|
|
}
|
|
|
|
pub fn unpack_bpp4(&self, a: i32) -> u8 {
|
|
let c_data = self.data[(a / 2) as usize];
|
|
(c_data >> (4 - (a % 2) * 4)) & 0x0F
|
|
}
|
|
|
|
pub fn unpack_bpp8(&self, a: i32) -> u8 {
|
|
let c_data = self.data[a as usize];
|
|
c_data >> 4
|
|
}
|
|
|
|
pub fn get_pixel_data(&self, p: Offset) -> u8 {
|
|
let a = p.x + p.y * self.width;
|
|
|
|
match constant::FONT_BPP {
|
|
1 => self.unpack_bpp1(a),
|
|
2 => self.unpack_bpp2(a),
|
|
4 => self.unpack_bpp4(a),
|
|
8 => self.unpack_bpp8(a),
|
|
_ => 0,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone, PartialEq, Eq)]
|
|
pub struct Font(i32);
|
|
|
|
impl Font {
|
|
pub const fn new(id: i32) -> Self {
|
|
Self(id)
|
|
}
|
|
|
|
pub fn text_width(self, text: &str) -> i32 {
|
|
display::text_width(text, self.0)
|
|
}
|
|
|
|
pub fn char_width(self, ch: char) -> i32 {
|
|
display::char_width(ch, self.0)
|
|
}
|
|
|
|
pub fn text_height(self) -> i32 {
|
|
display::text_height(self.0)
|
|
}
|
|
|
|
pub fn line_height(self) -> i32 {
|
|
constant::LINE_SPACE + self.text_height()
|
|
}
|
|
|
|
pub fn get_glyph(self, char_byte: u8) -> Option<Glyph> {
|
|
let gl_data = display::get_char_glyph(char_byte, self.0);
|
|
|
|
if gl_data.is_null() {
|
|
return None;
|
|
}
|
|
unsafe { Some(Glyph::load(gl_data)) }
|
|
}
|
|
|
|
pub fn display_text(self, text: &str, baseline: Point, fg_color: Color, bg_color: Color) {
|
|
let colortable = get_color_table(fg_color, bg_color);
|
|
let mut adv_total = 0;
|
|
for c in text.bytes() {
|
|
let g = self.get_glyph(c);
|
|
if let Some(gly) = g {
|
|
let adv = gly.print(baseline + Offset::new(adv_total, 0), colortable);
|
|
adv_total += adv;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone, PartialEq, Eq)]
|
|
pub struct Color(u16);
|
|
|
|
impl Color {
|
|
pub const fn from_u16(val: u16) -> Self {
|
|
Self(val)
|
|
}
|
|
|
|
pub const fn rgb(r: u8, g: u8, b: u8) -> Self {
|
|
let r = (r as u16 & 0xF8) << 8;
|
|
let g = (g as u16 & 0xFC) << 3;
|
|
let b = (b as u16 & 0xF8) >> 3;
|
|
Self(r | g | b)
|
|
}
|
|
|
|
pub const fn r(self) -> u8 {
|
|
(self.0 >> 8) as u8 & 0xF8
|
|
}
|
|
|
|
pub const fn g(self) -> u8 {
|
|
(self.0 >> 3) as u8 & 0xFC
|
|
}
|
|
|
|
pub const fn b(self) -> u8 {
|
|
(self.0 << 3) as u8 & 0xF8
|
|
}
|
|
|
|
pub fn to_u16(self) -> u16 {
|
|
self.0
|
|
}
|
|
|
|
pub fn negate(self) -> Self {
|
|
Self(!self.0)
|
|
}
|
|
}
|
|
|
|
impl Lerp for Color {
|
|
fn lerp(a: Self, b: Self, t: f32) -> Self {
|
|
let r = u8::lerp(a.r(), b.r(), t);
|
|
let g = u8::lerp(a.g(), b.g(), t);
|
|
let b = u8::lerp(a.b(), b.b(), t);
|
|
Color::rgb(r, g, b)
|
|
}
|
|
}
|
|
|
|
impl From<u16> for Color {
|
|
fn from(val: u16) -> Self {
|
|
Self(val)
|
|
}
|
|
}
|
|
|
|
impl From<Color> for u16 {
|
|
fn from(val: Color) -> Self {
|
|
val.to_u16()
|
|
}
|
|
}
|