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fixup! feat(core/rust): homescreen background

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This commit is contained in:
tychovrahe 2022-10-24 22:33:31 +02:00
parent 235c437ee6
commit 472745b45f
1 changed files with 19 additions and 13 deletions
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32
core/embed/rust/src/ui/model_tt/component/hs_render.rs
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@ -13,7 +13,6 @@ use crate::{
constant::screen,
display::{position_buffer, set_window, toif_info, toif_info_ensure, Color},
geometry::{Offset, Point, Rect},
lerp::Lerp,
},
};
use heapless::Vec;
@ -21,7 +20,7 @@ use heapless::Vec;
use crate::ui::{
component::text::TextStyle,
constant::{HEIGHT, WIDTH},
model_tt::{theme, theme::BLACK},
model_tt::theme,
util::icon_text_center,
};
@ -212,21 +211,28 @@ fn homescreen_line(
let x1 = (2 * x + 1) as usize;
let hi = image_data[x1];
let lo = image_data[x0];
let mut c0 = Color::from_u16((hi as u16) << 8 | lo as u16);
if y_tmp > HOMESCREEN_DIM_START {
c0 = Color::lerp(
c0,
BLACK,
((y_tmp - HOMESCREEN_DIM_START) as f32 / HOMESCREEN_DIM_HIEGHT as f32)
* HOMESCREEN_DIM,
);
}
let c = if y_tmp > HOMESCREEN_DIM_START {
let coef = 65536
- (((y_tmp - HOMESCREEN_DIM_START) as u32)
* ((65536_f32 * HOMESCREEN_DIM) as u32 / HOMESCREEN_DIM_HIEGHT as u32));
let r = hi & 0xF8;
let g = ((hi & 0x07) << 5) | ((lo & 0xE0) >> 3);
let b = (lo & 0x1F) << 3;
let r = (((coef * r as u32) >> 8) & 0xF800) as u16;
let g = (((coef * g as u32) >> 13) & 0x07E0) as u16;
let b = (((coef * b as u32) >> 19) & 0x001F) as u16;
r | g | b
} else {
(hi as u16) << 8 | lo as u16
};
for i in 0..HOMESCREEN_IMAGE_SCALE {
let idx = (HOMESCREEN_IMAGE_SCALE * x + i) as usize;
img_buffer.buffer[2 * idx + 1] = c0.hi_byte();
img_buffer.buffer[2 * idx] = c0.lo_byte();
img_buffer.buffer[2 * idx + 1] = (c >> 8) as u8;
img_buffer.buffer[2 * idx] = (c & 0xFF) as u8;
}
}