1 use std::{ 2 cell::{Cell, RefCell}, 3 sync::Arc, 4 }; 5 6 use starry_client::base::{color::Color, renderer::Renderer}; 7 8 use crate::{ 9 base::{point::Point, rect::Rect}, 10 traits::transform::Transform, 11 }; 12 13 use super::{HorizontalPlacement, VerticalPlacement, Widget}; 14 15 use crate::starry_server::base::image::Image as ImageAsset; 16 17 pub struct Image { 18 pub rect: Cell<Rect>, 19 local_position: Cell<Point>, 20 vertical_placement: Cell<VerticalPlacement>, 21 horizontal_placement: Cell<HorizontalPlacement>, 22 children: RefCell<Vec<Arc<dyn Widget>>>, 23 /// 图像源数据 24 pub image: RefCell<ImageAsset>, 25 } 26 27 impl Image { 28 pub fn new(width: u32, height: u32) -> Arc<Self> { 29 Self::from_image(ImageAsset::new(width as i32, height as i32)) 30 } 31 32 pub fn from_color(width: u32, height: u32, color: Color) -> Arc<Self> { 33 Self::from_image(ImageAsset::from_color(width as i32, height as i32, color)) 34 } 35 36 pub fn from_image(image: ImageAsset) -> Arc<Self> { 37 Arc::new(Image { 38 rect: Cell::new(Rect::new(0, 0, image.width() as u32, image.height() as u32)), 39 local_position: Cell::new(Point::new(0, 0)), 40 vertical_placement: Cell::new(VerticalPlacement::Absolute), 41 horizontal_placement: Cell::new(HorizontalPlacement::Absolute), 42 children: RefCell::new(vec![]), 43 image: RefCell::new(image), 44 }) 45 } 46 47 pub fn from_path(path: &[u8]) -> Option<Arc<Self>> { 48 if let Some(image) = ImageAsset::from_path(path) { 49 Some(Self::from_image(image)) 50 } else { 51 None 52 } 53 } 54 } 55 56 impl Transform for Image {} 57 58 impl Widget for Image { 59 fn name(&self) -> &str { 60 "Image" 61 } 62 63 fn rect(&self) -> &Cell<Rect> { 64 &self.rect 65 } 66 67 fn vertical_placement(&self) -> &Cell<VerticalPlacement> { 68 &self.vertical_placement 69 } 70 71 fn horizontal_placement(&self) -> &Cell<HorizontalPlacement> { 72 &self.horizontal_placement 73 } 74 75 fn local_position(&self) -> &Cell<Point> { 76 &self.local_position 77 } 78 79 fn children(&self) -> &RefCell<Vec<Arc<dyn Widget>>> { 80 &self.children 81 } 82 83 fn draw(&self, renderer: &mut dyn Renderer, _focused: bool) { 84 let rect = self.rect.get(); 85 let image = self.image.borrow(); 86 renderer.image(rect.x, rect.y, rect.width, rect.height, image.data()); 87 } 88 } 89