diff --git a/Cargo.lock b/Cargo.lock index 8b88070..09b2c09 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -332,25 +332,11 @@ dependencies = [ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "core-foundation" -version = "0.7.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "core-foundation-sys 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "core-foundation-sys" version = "0.6.2" source = "registry+https://github.com/rust-lang/crates.io-index" -[[package]] -name = "core-foundation-sys" -version = "0.7.0" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "core-graphics" version = "0.17.3" @@ -362,24 +348,13 @@ dependencies = [ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "core-graphics" -version = "0.19.0" 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(registry+https://github.com/rust-lang/crates.io-index)" = "17b7ff8d2a0a660875d01689807925a45c5843bf90a1ef97ec52ef86ab0cafba" "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" "checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" "checksum freetype 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "11926b2b410b469d0e9399eca4cbbe237a9ef02176c485803b29216307e8e028" @@ -2022,6 +2027,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index" "checksum gobject-sys 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "70409d6405db8b1591602fcd0cbe8af52cd9976dd39194442b4c149ba343f86d" "checksum gtk 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d695d6be4110618a97c19cd068e8a00e53e33b87e3c65cdc5397667498b1bc24" "checksum gtk-sys 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(registry+https://github.com/rust-lang/crates.io-index)" = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2" "checksum skia-bindings 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c2eee489fbdc6fe3004f95e4457d7f3bd184b7902982cca0a2d8d01b7438328b" "checksum skia-safe 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e86d7ad9a51df1fcc8a4942907c65c81573bcfe6bcaea8baedcb008167dc6650" +"checksum skribo 0.0.1 (git+https://github.com/linebender/skribo)" = "" "checksum skulpin 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "76dcf1de07238986bbd32692b98fbb859bdc42b1840ffcd49570c57335c201c5" "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8" "checksum smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86" @@ -2123,6 +2131,7 @@ source = 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"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc" diff --git a/Cargo.toml b/Cargo.toml index e9a63b3..690ac6f 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -6,7 +6,8 @@ edition = "2018" [dependencies] euclid = "0.20.7" -font-kit = "0.5.0" +font-kit = "0.4.0" +skribo = { git = "https://github.com/linebender/skribo" } lru = "0.4.3" skulpin = "0.4" derive-new = "0.5" diff --git a/src/renderer/caching_shaper.rs b/src/renderer/caching_shaper.rs index 490f376..2fa952b 100644 --- a/src/renderer/caching_shaper.rs +++ b/src/renderer/caching_shaper.rs @@ -1,9 +1,17 @@ use lru::LruCache; use skulpin::skia_safe::{Shaper, TextBlob, Font, Point}; +#[derive(new, Clone, Hash, PartialEq, Eq)] +struct ShapeKey { + pub text: String, + pub scale: u16, + pub bold: bool, + pub italic: bool +} + pub struct CachingShaper { shaper: Shaper, - cache: LruCache<(String, u16), TextBlob> + cache: LruCache } impl CachingShaper { @@ -19,8 +27,8 @@ impl CachingShaper { blob } - pub fn shape_cached(&mut self, text: String, scale: u16, font: &Font) -> &TextBlob { - let key = (text.clone(), scale); + pub fn shape_cached(&mut self, text: String, scale: u16, bold: bool, italic: bool, font: &Font) -> &TextBlob { + let key = ShapeKey::new(text.clone(), scale, bold, italic); if !self.cache.contains(&key) { self.cache.put(key.clone(), self.shape(&text, &font)); } diff --git a/src/renderer/cursor_renderer.rs b/src/renderer/cursor_renderer.rs index e3af384..6a9b14b 100644 --- a/src/renderer/cursor_renderer.rs +++ b/src/renderer/cursor_renderer.rs @@ -140,7 +140,7 @@ impl CursorRenderer { canvas.save(); canvas.clip_path(&path, None, Some(false)); canvas.draw_text_blob( - shaper.shape_cached(character.to_string(), 1, &fonts_lookup.size(1).normal), + shaper.shape_cached(character.to_string(), 1, false, false, &fonts_lookup.size(1).normal), destination, &paint); canvas.restore(); } diff --git a/src/renderer/fonts.rs b/src/renderer/fonts.rs index b5b06e0..1d71cbe 100644 --- a/src/renderer/fonts.rs +++ b/src/renderer/fonts.rs @@ -1,7 +1,14 @@ use std::collections::HashMap; -use skulpin::skia_safe::{Typeface, Font, FontStyle, Paint}; +use skulpin::skia_safe::{GlyphId, Typeface, Font, FontStyle, Paint, Point}; +use font_kit::source::SystemSource; +use skribo::{ + layout, layout_run, make_layout, FontCollection, FontFamily, FontRef, Layout, LayoutSession, + TextStyle, +}; use crate::editor::Style; +const standard_character_string: &'static str = "XXXX"; + pub struct Fonts { pub name: String, pub size: f32, @@ -13,21 +20,32 @@ pub struct Fonts { impl Fonts { fn new(name: &str, size: f32) -> Fonts { + let normal = Font::from_typeface( + Typeface::new(name, FontStyle::normal()).expect("Could not load normal font file"), + size); + let mut bold = Font::from_typeface( + Typeface::new(name, FontStyle::bold()).expect("Could not load bold font file"), + size); + if bold.is_embolden() { + dbg!("Disabled embolden for normal bold"); + bold.set_embolden(false); + } + + let italic = Font::from_typeface( + Typeface::new(name, FontStyle::italic()).expect("Could not load italic font file"), + size); + let mut bold_italic = Font::from_typeface( + Typeface::new(name, FontStyle::bold_italic()).expect("Could not load bold italic font file"), + size); + + if bold_italic.is_embolden() { + dbg!("Disabled embolden for italic bold"); + bold_italic.set_embolden(false); + } + Fonts { - name: name.to_string(), - size, - normal: Font::from_typeface( - Typeface::new(name, FontStyle::normal()).expect("Could not load normal font file"), - size), - bold: Font::from_typeface( - Typeface::new(name, FontStyle::bold()).expect("Could not load bold font file"), - size), - italic: Font::from_typeface( - Typeface::new(name, FontStyle::italic()).expect("Could not load italic font file"), - size), - bold_italic: Font::from_typeface( - Typeface::new(name, FontStyle::bold_italic()).expect("Could not load bold italic font file"), - size) + name: name.to_string(), size, + normal, bold, italic, bold_italic } } @@ -70,18 +88,30 @@ impl FontLookup { }) } - pub fn font_base_dimensions(&mut self, paint: &Paint) -> (f32, f32) { + pub fn font_base_dimensions(&mut self) -> (f32, f32) { let base_fonts = self.size(1); - - let (_, metrics) = base_fonts.normal.metrics(); - let font_width = if metrics.avg_char_width > 0.0 { - metrics.avg_char_width - } else { - let (_, bounds) = base_fonts.normal.measure_str("x", Some(&paint)); - bounds.width() - }; + let normal_font = &base_fonts.normal; + let (_, metrics) = normal_font.metrics(); let font_height = metrics.descent - metrics.ascent; + let source = SystemSource::new(); + let font_name = self.name.clone(); + let font_size = self.base_size; + let font = source + .select_family_by_name(&font_name) + .expect("Failed to load by postscript name") + .fonts()[0] + .load() + .unwrap(); + let font_ref = FontRef::new(font); + let style = TextStyle { size: font_size }; + let layout = layout_run(&style, &font_ref, standard_character_string); + let font_width = layout.advance.x / standard_character_string.len() as f32; + // let glyph_offsets: Vec = layout.glyphs.iter().map(|glyph| glyph.offset.x).collect(); + // let glyph_advances: Vec = glyph_offsets.windows(2).map(|pair| pair[1] - pair[0]).collect(); + // dbg!(&glyph_advances); + // let font_width = glyph_advances.iter().cloned().fold(0.0, f32::max); + (font_width, font_height) } } diff --git a/src/renderer/mod.rs b/src/renderer/mod.rs index 3f3c1b3..a1de97f 100644 --- a/src/renderer/mod.rs +++ b/src/renderer/mod.rs @@ -13,8 +13,8 @@ use cursor_renderer::CursorRenderer; use fonts::FontLookup; use crate::editor::{Editor, Style, Colors}; -const FONT_NAME: &str = "Delugia Nerd Font"; -const FONT_SIZE: f32 = 14.0; +const DEFAULT_FONT_NAME: &str = "Delugia Nerd Font"; +const DEFAULT_FONT_SIZE: f32 = 14.0; #[derive(new)] pub struct DrawResult { @@ -43,8 +43,8 @@ impl Renderer { let shaper = CachingShaper::new(); - let mut fonts_lookup = FontLookup::new(FONT_NAME, FONT_SIZE); - let (font_width, font_height) = fonts_lookup.font_base_dimensions(&paint); + let mut fonts_lookup = FontLookup::new(DEFAULT_FONT_NAME, DEFAULT_FONT_SIZE); + let (font_width, font_height) = fonts_lookup.font_base_dimensions(); let cursor_renderer = CursorRenderer::new(); Renderer { editor, surface, paint, fonts_lookup, shaper, font_width, font_height, cursor_renderer } @@ -52,7 +52,7 @@ impl Renderer { fn set_font(&mut self, name: &str, size: f32) { self.fonts_lookup = FontLookup::new(name, size); - let (font_width, font_height) = self.fonts_lookup.font_base_dimensions(&self.paint); + let (font_width, font_height) = self.fonts_lookup.font_base_dimensions(); self.font_width = font_width; self.font_height = font_height; self.shaper.clear(); @@ -100,7 +100,8 @@ impl Renderer { self.paint.set_color(style.foreground(&default_colors).to_color()); let text = text.trim_end(); if text.len() > 0 { - let blob = self.shaper.shape_cached(text.to_string(), size, self.fonts_lookup.size(size).get(&style)); + let font = self.fonts_lookup.size(size).get(&style); + let blob = self.shaper.shape_cached(text.to_string(), size, style.bold, style.italic, font); canvas.draw_text_blob(blob, (x, y), &self.paint); } @@ -123,7 +124,7 @@ impl Renderer { font_name.clone().map(|new_name| new_name != self.fonts_lookup.name).unwrap_or(false) || font_size.map(|new_size| new_size != self.fonts_lookup.base_size).unwrap_or(false); if font_changed { - self.set_font(&font_name.unwrap(), font_size.unwrap()); + self.set_font(&font_name.unwrap_or(DEFAULT_FONT_NAME.to_string()), font_size.unwrap_or(DEFAULT_FONT_SIZE)); } if should_clear {