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update move_rect Fn

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This commit is contained in:
Yu Chen 2023-01-03 18:34:45 +08:00
parent cd2e2307d2
commit d56c5d1229
1 changed files with 7 additions and 0 deletions
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7
os/src/gui/paint.rs
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@ -28,7 +28,14 @@ impl DrawingBoard {
.draw(&mut self.graphics)
.ok();
}
fn unpaint(&mut self) {
Rectangle::with_center(self.latest_pos, Size::new(RECT_SIZE, RECT_SIZE))
.into_styled(PrimitiveStyle::with_stroke(Rgb888::BLACK, 1))
.draw(&mut self.graphics)
.ok();
}
pub fn move_rect(&mut self, dx: i32, dy: i32) {
self.unpaint();
self.latest_pos.x += dx;
self.latest_pos.y += dy;
self.paint();