Merge pull request #669 from hecrj/improvement/update-resvg-and-font-kit

Update `resvg` and `font-kit`
This commit is contained in:
Héctor Ramón 2020-12-20 02:50:38 +01:00 committed by GitHub
commit a366600e73
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3 changed files with 37 additions and 21 deletions

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@ -44,7 +44,7 @@ version = "0.12"
optional = true
[dependencies.font-kit]
version = "0.8"
version = "0.10"
optional = true
[package.metadata.docs.rs]

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@ -8,7 +8,7 @@ license = "MIT AND OFL-1.1"
repository = "https://github.com/hecrj/iced"
[features]
svg = ["resvg"]
svg = ["resvg", "usvg"]
canvas = ["iced_graphics/canvas"]
qr_code = ["iced_graphics/qr_code"]
default_system_font = ["iced_graphics/font-source"]
@ -40,8 +40,11 @@ version = "0.23"
optional = true
[dependencies.resvg]
version = "0.9"
features = ["raqote-backend"]
version = "0.12"
optional = true
[dependencies.usvg]
version = "0.12"
optional = true
[package.metadata.docs.rs]

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@ -3,7 +3,7 @@ use iced_native::svg;
use std::collections::{HashMap, HashSet};
pub enum Svg {
Loaded(resvg::usvg::Tree),
Loaded(usvg::Tree),
NotFound,
}
@ -43,17 +43,15 @@ impl Cache {
return self.svgs.get(&handle.id()).unwrap();
}
let opt = resvg::Options::default();
let svg = match handle.data() {
svg::Data::Path(path) => {
match resvg::usvg::Tree::from_file(path, &opt.usvg) {
match usvg::Tree::from_file(path, &Default::default()) {
Ok(tree) => Svg::Loaded(tree),
Err(_) => Svg::NotFound,
}
}
svg::Data::Bytes(bytes) => {
match resvg::usvg::Tree::from_data(&bytes, &opt.usvg) {
match usvg::Tree::from_data(&bytes, &Default::default()) {
Ok(tree) => Svg::Loaded(tree),
Err(_) => Svg::NotFound,
}
@ -101,23 +99,38 @@ impl Cache {
// We currently rerasterize the SVG when its size changes. This is slow
// as heck. A GPU rasterizer like `pathfinder` may perform better.
// It would be cool to be able to smooth resize the `svg` example.
let screen_size =
resvg::ScreenSize::new(width, height).unwrap();
let mut canvas =
resvg::raqote::DrawTarget::new(width as i32, height as i32);
resvg::backend_raqote::render_to_canvas(
let img = resvg::render(
tree,
&resvg::Options::default(),
screen_size,
&mut canvas,
);
if width > height {
usvg::FitTo::Width(width)
} else {
usvg::FitTo::Height(height)
},
None,
)?;
let width = img.width();
let height = img.height();
let mut rgba = img.take().into_iter();
// TODO: Perform conversion in the GPU
let bgra: Vec<u8> = std::iter::from_fn(move || {
use std::iter::once;
let r = rgba.next()?;
let g = rgba.next()?;
let b = rgba.next()?;
let a = rgba.next()?;
Some(once(b).chain(once(g)).chain(once(r)).chain(once(a)))
})
.flatten()
.collect();
let allocation = texture_atlas.upload(
width,
height,
bytemuck::cast_slice(canvas.get_data()),
bytemuck::cast_slice(bgra.as_slice()),
device,
encoder,
)?;