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🎉 Store custom fonts (ttfs) and use them to write texts (wasm) (#6050)
This commit is contained in:
parent
e4c9b736f7
commit
eb6d2fb0eb
14 changed files with 386 additions and 140 deletions
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@ -293,31 +293,6 @@ pub extern "C" fn add_shape_fill_stops() {
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mem::free_bytes();
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}
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#[no_mangle]
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pub extern "C" fn store_font(family_name_size: u32, font_size: u32) {
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with_state!(state, {
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unsafe {
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let font_bytes = Vec::<u8>::from_raw_parts(
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mem::buffer_ptr(),
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font_size as usize,
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font_size as usize,
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);
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let family_name = String::from_raw_parts(
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mem::buffer_ptr().add(font_size as usize),
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family_name_size as usize,
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family_name_size as usize,
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);
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match state.render_state().add_font(family_name, &font_bytes) {
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Err(msg) => {
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eprintln!("{}", msg);
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}
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_ => {}
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}
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mem::free_bytes();
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}
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});
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}
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#[no_mangle]
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pub extern "C" fn store_image(a: u32, b: u32, c: u32, d: u32) {
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with_state!(state, {
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@ -38,14 +38,6 @@ pub extern "C" fn free_bytes() {
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std::mem::drop(guard);
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}
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pub fn buffer_ptr() -> *mut u8 {
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let guard = BUFFERU8.lock().unwrap();
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guard
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.as_ref()
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.map_or(std::ptr::null_mut(), |buffer| buffer.as_ptr() as *mut u8)
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}
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pub fn bytes() -> Vec<u8> {
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let mut guard = BUFFERU8.lock().unwrap();
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@ -1,4 +1,4 @@
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use skia_safe::{self as skia, Contains, FontMgr, Matrix, RRect, Rect};
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use skia_safe::{self as skia, Contains, Matrix, RRect, Rect};
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use std::collections::HashMap;
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use uuid::Uuid;
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@ -8,6 +8,7 @@ mod blend;
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mod cache;
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mod debug;
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mod fills;
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mod fonts;
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mod gpu_state;
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mod images;
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mod options;
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@ -23,11 +24,9 @@ use options::RenderOptions;
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use surfaces::{SurfaceId, Surfaces};
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pub use blend::BlendMode;
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pub use fonts::*;
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pub use images::*;
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const DEFAULT_FONT_BYTES: &[u8] =
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include_bytes!("../../frontend/resources/fonts/RobotoMono-Regular.ttf");
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const MAX_BLOCKING_TIME_MS: i32 = 32;
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const NODE_BATCH_THRESHOLD: i32 = 10;
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@ -86,9 +85,10 @@ pub(crate) struct RenderState {
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gpu_state: GpuState,
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pub options: RenderOptions,
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pub surfaces: Surfaces,
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fonts: FontStore,
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// TODO: we should probably have only one of these
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pub font_provider: skia::textlayout::TypefaceFontProvider,
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pub font_collection: skia::textlayout::FontCollection,
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// pub font_provider: skia::textlayout::TypefaceFontProvider,
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// pub font_collection: skia::textlayout::FontCollection,
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// ----
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pub cached_surface_image: Option<CachedSurfaceImage>,
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pub viewbox: Viewbox,
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@ -112,15 +112,8 @@ impl RenderState {
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let sampling_options =
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skia::SamplingOptions::new(skia::FilterMode::Linear, skia::MipmapMode::Nearest);
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let surfaces = Surfaces::new(&mut gpu_state, (width, height), sampling_options);
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let mut font_provider = skia::textlayout::TypefaceFontProvider::new();
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let default_font = skia::FontMgr::default()
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.new_from_data(DEFAULT_FONT_BYTES, None)
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.expect("Failed to load font");
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font_provider.register_typeface(default_font, "robotomono-regular");
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let mut font_collection = skia::textlayout::FontCollection::new();
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let font_manager = FontMgr::from(font_provider.clone());
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font_collection.set_default_font_manager(FontMgr::default(), None);
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font_collection.set_dynamic_font_manager(font_manager);
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let fonts = FontStore::new();
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// This is used multiple times everywhere so instead of creating new instances every
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// time we reuse this one.
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@ -129,8 +122,9 @@ impl RenderState {
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gpu_state,
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surfaces,
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cached_surface_image: None,
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font_provider,
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font_collection,
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// font_provider,
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// font_collection,
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fonts,
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options: RenderOptions::default(),
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viewbox: Viewbox::new(width as f32, height as f32),
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images: ImageStore::new(),
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@ -143,13 +137,11 @@ impl RenderState {
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}
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}
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pub fn add_font(&mut self, family_name: String, font_data: &[u8]) -> Result<(), String> {
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let typeface = skia::FontMgr::default()
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.new_from_data(font_data, None)
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.expect("Failed to add font");
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self.font_provider
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.register_typeface(typeface, family_name.as_ref());
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Ok(())
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pub fn fonts(&self) -> &FontStore {
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&self.fonts
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}
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pub fn fonts_mut(&mut self) -> &mut FontStore {
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&mut self.fonts
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}
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pub fn add_image(&mut self, id: Uuid, image_data: &[u8]) -> Result<(), String> {
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@ -353,7 +345,7 @@ impl RenderState {
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if let Some(svg) = shape.svg.as_ref() {
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svg.render(self.surfaces.canvas(SurfaceId::Fills))
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} else {
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let font_manager = skia::FontMgr::from(self.font_provider.clone());
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let font_manager = skia::FontMgr::from(self.fonts().font_provider().clone());
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let dom_result = skia::svg::Dom::from_str(sr.content.to_string(), font_manager);
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match dom_result {
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Ok(dom) => {
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@ -23,18 +23,17 @@ fn render_debug_view(render_state: &mut RenderState) {
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}
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pub fn render_wasm_label(render_state: &mut RenderState) {
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let canvas = render_state.surfaces.canvas(SurfaceId::Current);
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let font_provider = render_state.fonts().font_provider();
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let typeface = font_provider
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.match_family_style("robotomono-regular", skia::FontStyle::default())
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.unwrap();
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let canvas = render_state.surfaces.canvas(SurfaceId::Current);
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let skia::ISize { width, height } = canvas.base_layer_size();
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let p = skia::Point::new(width as f32 - 100.0, height as f32 - 25.0);
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let mut paint = skia::Paint::default();
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paint.set_color(skia::Color::from_argb(100, 0, 0, 0));
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let font_provider = &render_state.font_provider;
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let typeface = font_provider
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.match_family_style("robotomono-regular", skia::FontStyle::default())
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.unwrap();
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let font = skia::Font::new(typeface, 10.0);
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canvas.draw_str("WASM RENDERER", p, &font, &paint);
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}
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70
render-wasm/src/render/fonts.rs
Normal file
70
render-wasm/src/render/fonts.rs
Normal file
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@ -0,0 +1,70 @@
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use skia_safe::{self as skia, textlayout, FontMgr};
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use crate::shapes::FontFamily;
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const DEFAULT_FONT_BYTES: &[u8] = include_bytes!("../fonts/RobotoMono-Regular.ttf");
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pub struct FontStore {
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// TODO: we should probably have just one of those
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font_provider: textlayout::TypefaceFontProvider,
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font_collection: textlayout::FontCollection,
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}
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impl FontStore {
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pub fn new() -> Self {
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let mut font_provider = skia::textlayout::TypefaceFontProvider::new();
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let default_font = skia::FontMgr::default()
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.new_from_data(DEFAULT_FONT_BYTES, None)
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.expect("Failed to load font");
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font_provider.register_typeface(default_font, "robotomono-regular");
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let mut font_collection = skia::textlayout::FontCollection::new();
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font_collection.set_default_font_manager(FontMgr::default(), None);
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font_collection.set_dynamic_font_manager(FontMgr::from(font_provider.clone()));
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Self {
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font_provider,
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font_collection,
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}
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}
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pub fn font_provider(&self) -> &textlayout::TypefaceFontProvider {
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&self.font_provider
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}
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pub fn font_collection(&self) -> &textlayout::FontCollection {
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&self.font_collection
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}
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pub fn add(&mut self, family: FontFamily, font_data: &[u8]) -> Result<(), String> {
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if self.has_family(&family) {
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return Ok(());
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}
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let alias = format!("{}", family);
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let typeface = skia::FontMgr::default()
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.new_from_data(font_data, None)
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.ok_or("Failed to create typeface")?;
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self.font_provider
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.register_typeface(typeface, alias.as_str());
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self.refresh_font_collection();
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Ok(())
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}
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pub fn has_family(&self, family: &FontFamily) -> bool {
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let serialized = format!("{}", family);
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self.font_provider.family_names().any(|x| x == serialized)
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}
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fn refresh_font_collection(&mut self) {
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self.font_collection = skia::textlayout::FontCollection::new();
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self.font_collection
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.set_default_font_manager(FontMgr::default(), None);
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self.font_collection
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.set_dynamic_font_manager(FontMgr::from(self.font_provider.clone()));
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}
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}
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@ -3,8 +3,9 @@ use crate::shapes::TextContent;
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pub fn render(render_state: &mut RenderState, text: &TextContent) {
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let mut offset_y = 0.0;
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for mut skia_paragraph in text.to_paragraphs(&render_state.font_collection) {
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for mut skia_paragraph in text.to_paragraphs(&render_state.fonts().font_collection()) {
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skia_paragraph.layout(text.width());
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let xy = (text.x(), text.y() + offset_y);
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skia_paragraph.paint(render_state.surfaces.canvas(SurfaceId::Fills), xy);
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offset_y += skia_paragraph.height();
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@ -9,6 +9,7 @@ mod blurs;
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mod bools;
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mod corners;
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mod fills;
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mod fonts;
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mod frames;
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mod groups;
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mod layouts;
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@ -25,6 +26,7 @@ pub use blurs::*;
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pub use bools::*;
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pub use corners::*;
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pub use fills::*;
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pub use fonts::*;
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pub use frames::*;
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pub use groups::*;
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pub use layouts::*;
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@ -588,10 +590,15 @@ impl Shape {
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}
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}
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pub fn add_text_leaf(&mut self, text_str: &str) -> Result<(), String> {
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pub fn add_text_leaf(
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&mut self,
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text_str: String,
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font_family: FontFamily,
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font_size: f32,
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) -> Result<(), String> {
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match self.shape_type {
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Type::Text(ref mut text) => {
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text.add_leaf(text_str)?;
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text.add_leaf(text_str, font_family, font_size)?;
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Ok(())
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}
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_ => Err("Shape is not a text".to_string()),
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48
render-wasm/src/shapes/fonts.rs
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48
render-wasm/src/shapes/fonts.rs
Normal file
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@ -0,0 +1,48 @@
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use std::fmt;
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use uuid::Uuid;
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#[derive(Debug, PartialEq, Clone, Copy)]
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pub enum FontStyle {
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Normal,
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Italic,
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}
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impl From<u8> for FontStyle {
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fn from(value: u8) -> Self {
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match value {
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0 => Self::Normal,
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1 => Self::Italic,
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_ => Self::Normal,
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}
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}
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}
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impl fmt::Display for FontStyle {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let txt = match self {
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Self::Normal => "normal",
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Self::Italic => "italic",
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};
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write!(f, "{}", txt)
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}
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}
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#[derive(Debug, Clone, PartialEq, Copy)]
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pub struct FontFamily {
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id: Uuid,
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style: FontStyle,
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weight: u32,
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}
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impl FontFamily {
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pub fn new(id: Uuid, weight: u32, style: FontStyle) -> Self {
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Self { id, style, weight }
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}
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}
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impl fmt::Display for FontFamily {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{} {} {}", self.id, self.weight, self.style)
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}
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}
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@ -4,6 +4,8 @@ use skia_safe::{
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textlayout::{FontCollection, ParagraphBuilder},
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};
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use super::FontFamily;
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#[derive(Debug, PartialEq, Clone)]
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pub struct TextContent {
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paragraphs: Vec<Paragraph>,
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@ -38,15 +40,18 @@ impl TextContent {
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self.paragraphs.push(p);
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}
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pub fn add_leaf(&mut self, text: &str) -> Result<(), String> {
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pub fn add_leaf(
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&mut self,
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text: String,
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font_family: FontFamily,
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font_size: f32,
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) -> Result<(), String> {
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let paragraph = self
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.paragraphs
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.last_mut()
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.ok_or("No paragraph to add text leaf to")?;
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paragraph.add_leaf(TextLeaf {
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text: text.to_owned(),
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});
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paragraph.add_leaf(TextLeaf::new(text, font_family, font_size));
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Ok(())
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}
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@ -100,15 +105,29 @@ impl Paragraph {
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#[derive(Debug, PartialEq, Clone)]
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pub struct TextLeaf {
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text: String,
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font_family: FontFamily,
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font_size: f32,
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}
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impl TextLeaf {
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pub fn new(text: String, font_family: FontFamily, font_size: f32) -> Self {
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Self {
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text,
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font_family,
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font_size,
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}
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}
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pub fn to_style(&self) -> skia::textlayout::TextStyle {
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let mut style = skia::textlayout::TextStyle::default();
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// TODO: read text style info from the shape
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style.set_color(skia::Color::BLACK);
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style.set_font_size(16.0);
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style.set_font_size(self.font_size);
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style.set_font_families(&[self.serialized_font_family()]);
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style
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}
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fn serialized_font_family(&self) -> String {
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format!("{}", self.font_family)
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}
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}
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@ -1 +1,2 @@
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pub mod fonts;
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pub mod text;
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35
render-wasm/src/wasm/fonts.rs
Normal file
35
render-wasm/src/wasm/fonts.rs
Normal file
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@ -0,0 +1,35 @@
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use crate::mem;
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use crate::utils::uuid_from_u32_quartet;
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use crate::with_state;
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use crate::STATE;
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use crate::shapes::FontFamily;
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#[no_mangle]
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pub extern "C" fn store_font(a: u32, b: u32, c: u32, d: u32, weight: u32, style: u8) {
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with_state!(state, {
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let id = uuid_from_u32_quartet(a, b, c, d);
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let font_bytes = mem::bytes();
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let family = FontFamily::new(id, weight, style.into());
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let res = state.render_state().fonts_mut().add(family, &font_bytes);
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match res {
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Err(msg) => {
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eprintln!("{}", msg);
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}
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_ => {}
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}
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});
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}
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#[no_mangle]
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pub extern "C" fn is_font_uploaded(a: u32, b: u32, c: u32, d: u32, weight: u32, style: u8) -> bool {
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with_state!(state, {
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let id = uuid_from_u32_quartet(a, b, c, d);
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let family = FontFamily::new(id, weight, style.into());
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let res = state.render_state().fonts().has_family(&family);
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return res;
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});
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}
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@ -1,4 +1,6 @@
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use crate::mem;
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use crate::shapes::FontFamily;
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use crate::utils::uuid_from_u32_quartet;
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use crate::with_current_shape;
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use crate::STATE;
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|
@ -20,14 +22,25 @@ pub extern "C" fn add_text_paragraph() {
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}
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#[no_mangle]
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pub extern "C" fn add_text_leaf() {
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pub extern "C" fn add_text_leaf(
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a: u32,
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b: u32,
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c: u32,
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d: u32,
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weight: u32,
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style: u8,
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font_size: f32,
|
||||
) {
|
||||
let font_id = uuid_from_u32_quartet(a, b, c, d);
|
||||
let font_family = FontFamily::new(font_id, weight, style.into());
|
||||
let bytes = mem::bytes();
|
||||
|
||||
let text = unsafe {
|
||||
String::from_utf8_unchecked(bytes) // TODO: handle this error
|
||||
};
|
||||
|
||||
with_current_shape!(state, |shape: &mut Shape| {
|
||||
let res = shape.add_text_leaf(&text);
|
||||
let res = shape.add_text_leaf(text, font_family, font_size);
|
||||
if let Err(err) = res {
|
||||
eprintln!("{}", err);
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue