mirror of
https://github.com/wez/wezterm.git
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zeno -> tiny_skia
Mostly so that we can turn off anti-aliasing for smaller sizes, but it also happens to be more complete anyway.
This commit is contained in:
Wez Furlong
parent
fad09eddda
commit
4c0d789ac3
37
Cargo.lock
generated
37
Cargo.lock
generated
@ -120,6 +120,12 @@ dependencies = [
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"num-traits",
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]
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[[package]]
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name = "arrayref"
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version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
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[[package]]
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name = "arrayvec"
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version = "0.5.2"
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@ -3654,6 +3660,15 @@ version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
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[[package]]
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name = "safe_arch"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c1ff3d6d9696af502cc3110dacce942840fb06ff4514cad92236ecc455f2ce05"
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dependencies = [
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"bytemuck",
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]
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[[package]]
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name = "same-file"
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version = "1.0.6"
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@ -4301,6 +4316,20 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "tiny-skia"
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version = "0.5.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1bf81f2900d2e235220e6f31ec9f63ade6a7f59090c556d74fe949bb3b15e9fe"
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dependencies = [
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"arrayref",
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"arrayvec",
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"bytemuck",
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"cfg-if 1.0.0",
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"png",
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"safe_arch",
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]
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[[package]]
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name = "tinyvec"
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version = "1.2.0"
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@ -4915,6 +4944,7 @@ dependencies = [
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"termwiz",
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"textwrap 0.14.0",
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"thiserror",
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"tiny-skia",
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"umask",
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"unicode-normalization",
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"unicode-segmentation",
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@ -4931,7 +4961,6 @@ dependencies = [
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"winapi 0.3.9",
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"window",
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"windows",
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"zeno",
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]
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[[package]]
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@ -5421,12 +5450,6 @@ dependencies = [
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"syn",
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]
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[[package]]
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name = "zeno"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ea708573d4a67f939793b0d3f923d105bfdf06bbd6acb3f9cd02ce1bd905f6c8"
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[[package]]
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name = "zstd"
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version = "0.6.1+zstd.1.4.9"
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@ -57,6 +57,7 @@ terminfo = "0.7"
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termwiz = { path = "../termwiz" }
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textwrap = "0.14"
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thiserror = "1.0"
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tiny-skia = "0.5"
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umask = { path = "../umask" }
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unicode-normalization = "0.1"
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unicode-segmentation = "1.7"
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@ -71,7 +72,6 @@ wezterm-ssh = { path = "../wezterm-ssh" }
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wezterm-term = { path = "../term", features=["use_serde"] }
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wezterm-toast-notification = { path = "../wezterm-toast-notification" }
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window = { path = "../window" }
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zeno = "0.2"
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[target."cfg(windows)".dependencies]
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shared_library = "0.1"
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@ -18,10 +18,10 @@ use std::rc::Rc;
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use std::sync::Arc;
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use std::time::{Duration, Instant};
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use termwiz::image::ImageData;
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use tiny_skia::{FillRule, Paint, Path, PathBuilder, PixmapMut, Stroke, Transform};
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use wezterm_font::units::*;
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use wezterm_font::{FontConfiguration, GlyphInfo};
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use wezterm_term::Underline;
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use zeno::{Command, Fill, Format, Join, Mask, PathBuilder, Stroke, Style, Vector};
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#[derive(Debug, Clone, PartialEq, Eq, Hash)]
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pub struct GlyphKey {
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@ -262,27 +262,26 @@ pub enum PolyCommand {
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}
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impl PolyCommand {
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fn to_zeno(
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&self,
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width: usize,
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height: usize,
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underline_height: f32,
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sink: &mut impl PathBuilder,
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) {
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let coord = |x: &BlockCoord, y: &BlockCoord| {
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Vector::new(
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fn to_skia(&self, width: usize, height: usize, underline_height: f32, pb: &mut PathBuilder) {
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match self {
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Self::MoveTo(x, y) => pb.move_to(
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x.to_pixel(width, underline_height),
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y.to_pixel(height, underline_height),
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)
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};
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let point = |(x, y): &BlockPoint| coord(x, y);
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match self {
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Self::MoveTo(x, y) => sink.move_to(coord(x, y)),
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Self::LineTo(x, y) => sink.line_to(coord(x, y)),
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Self::QuadTo { control, to } => sink.quad_to(point(control), point(to)),
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Self::Close => sink.close(),
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),
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Self::LineTo(x, y) => pb.line_to(
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x.to_pixel(width, underline_height),
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y.to_pixel(height, underline_height),
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),
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Self::QuadTo {
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control: (x1, y1),
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to: (x, y),
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} => pb.quad_to(
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x1.to_pixel(width, underline_height),
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y1.to_pixel(height, underline_height),
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x.to_pixel(width, underline_height),
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y.to_pixel(height, underline_height),
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),
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Self::Close => pb.close(),
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};
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}
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}
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@ -297,11 +296,20 @@ pub enum PolyStyle {
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}
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impl PolyStyle {
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fn to_zeno(self, width: f32) -> Style<'static> {
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fn apply(self, width: f32, paint: &Paint, path: &Path, pixmap: &mut PixmapMut) {
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match self {
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Self::Fill => Style::default(),
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Self::Outline => Style::Stroke(*Stroke::new(width).join(Join::Miter)),
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Self::OutlineHeavy => Style::Stroke(*Stroke::new(2. * width).join(Join::Miter)),
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PolyStyle::Fill => {
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pixmap.fill_path(path, paint, FillRule::Winding, Transform::identity(), None);
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}
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PolyStyle::Outline | PolyStyle::OutlineHeavy => {
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let mut stroke = Stroke::default();
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stroke.width = width;
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if self == PolyStyle::OutlineHeavy {
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stroke.width *= 2.0;
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}
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pixmap.stroke_path(path, paint, &stroke, Transform::identity(), None);
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}
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}
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}
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}
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@ -2611,23 +2619,28 @@ impl<T: Texture2d> GlyphCache<T> {
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// Fill a rectangular region described by the x and y ranges
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let fill_rect = |buffer: &mut Image, x: Range<usize>, y: Range<usize>| {
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let (width, height) = buffer.image_dimensions();
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let mut pixmap =
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PixmapMut::from_bytes(buffer.pixel_data_slice_mut(), width as u32, height as u32)
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.expect("make pixmap from existing bitmap");
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let x = x.start as f32..x.end as f32;
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let y = y.start as f32..y.end as f32;
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let mut path: Vec<Command> = vec![];
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path.add_rect([x.start, y.start], x.end - x.start, y.end - y.start);
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let (alpha, _placement) = Mask::new(&path)
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.format(Format::Alpha)
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.size(width as u32, height as u32)
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.style(Fill::NonZero)
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.render();
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let path = PathBuilder::from_rect(
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tiny_skia::Rect::from_xywh(x.start, y.start, x.end - x.start, y.end - y.start)
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.expect("valid rect"),
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);
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for (alpha, dest) in alpha.into_iter().zip(buffer.pixels_mut()) {
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let alpha = alpha as u32;
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// If existing pixel was blank, we want to replace it.
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// If alpha is blank then we don't want to replace existing non-blank.
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*dest |= alpha << 24 | alpha << 16 | alpha << 8 | alpha;
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}
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let mut paint = Paint::default();
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paint.set_color(tiny_skia::Color::WHITE);
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pixmap.fill_path(
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&path,
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&paint,
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FillRule::Winding,
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Transform::identity(),
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None,
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);
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};
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match block {
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@ -2716,35 +2729,34 @@ impl<T: Texture2d> GlyphCache<T> {
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}
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BlockKey::Poly(polys) => {
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let (width, height) = buffer.image_dimensions();
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let mut pixmap = PixmapMut::from_bytes(
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buffer.pixel_data_slice_mut(),
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width as u32,
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height as u32,
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)
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.expect("make pixmap from existing bitmap");
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for Poly {
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path,
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intensity,
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style,
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} in polys
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{
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let intensity = intensity.to_scale();
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let mut cmd = vec![];
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let intensity = (intensity.to_scale() * 255.) as u8;
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let mut paint = Paint::default();
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paint.set_color_rgba8(intensity, intensity, intensity, intensity);
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paint.anti_alias = false; // explicitly do not want AA for small sizes
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let mut pb = PathBuilder::new();
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for item in path.iter() {
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item.to_zeno(
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width,
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height,
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self.metrics.underline_height as f32,
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&mut cmd,
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);
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}
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let (alpha, _placement) = Mask::new(&cmd)
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.format(Format::Alpha)
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.style(style.to_zeno(self.metrics.underline_height as f32))
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.size(width as u32, height as u32)
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.render();
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for (alpha, dest) in alpha.into_iter().zip(buffer.pixels_mut()) {
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let alpha = (intensity * (alpha as f32)) as u32;
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// If existing pixel was blank, we want to replace it.
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// If alpha is blank then we don't want to replace existing non-blank.
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*dest |= alpha << 24 | alpha << 16 | alpha << 8 | alpha;
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item.to_skia(width, height, self.metrics.underline_height as f32, &mut pb);
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}
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let path = pb.finish().expect("poly path to be valid");
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style.apply(
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self.metrics.underline_height as f32,
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&paint,
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&path,
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&mut pixmap,
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);
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}
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}
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}
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@ -95,6 +95,14 @@ pub trait BitmapImage {
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/// Return the pair (width, height) of the image, measured in pixels
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fn image_dimensions(&self) -> (usize, usize);
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fn pixel_data_slice_mut(&mut self) -> &mut [u8] {
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let (width, height) = self.image_dimensions();
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unsafe {
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let first = self.pixel_data_mut();
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std::slice::from_raw_parts_mut(first, width * height * 4)
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}
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}
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#[inline]
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fn pixels(&self) -> &[u32] {
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let (width, height) = self.image_dimensions();
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