Remove unused rust module

This file is not needed anymore

Amends commit 5df6c99f4f

sixtyfps_runtime/rendering_backends/gl/fonts_wasm.rs

@@ -1,114 +0,0 @@
-/* LICENSE BEGIN
-    This file is part of the SixtyFPS Project -- https://sixtyfps.io
-    Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
-    Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
-
-    SPDX-License-Identifier: GPL-3.0-only
-    This file is also available under commercial licensing terms.
-    Please contact info@sixtyfps.io for more information.
-LICENSE END */
-use super::CanvasRc;
-use sixtyfps_corelib::graphics::FontRequest;
-use std::cell::RefCell;
-
-struct LocalFont {
-    family: String,
-    weight: u16,
-    data: &'static [u8],
-}
-
-thread_local! {
-    // Flat list of "all" fonts. This should be switch back to using fontdb once the new
-    // cargo dependency solver is stable and we can depend on fontdb without fs/memmap2
-    // for the wasm build.
-    static FONTS: RefCell<Vec<LocalFont>> = RefCell::new(Vec::new())
-}
-
-fn err_str(message: &'static str) -> Box<dyn std::error::Error> {
-    Box::new(std::io::Error::new(std::io::ErrorKind::Other, message))
-}
-
-fn load_font_from_memory(data: &'static [u8]) -> Result<(), Box<dyn std::error::Error>> {
-    for index in 0..ttf_parser::fonts_in_collection(data).unwrap_or(1) {
-        let face = ttf_parser::Face::from_slice(data, index).map_err(|err| Box::new(err))?;
-
-        let family = face
-            .names()
-            .find(|name| name.name_id() == ttf_parser::name_id::FAMILY && name.is_unicode())
-            .ok_or(err_str("Cannot locate family name id in font"))?;
-
-        let family = family.to_string().ok_or(err_str("Empty family name"))?;
-
-        let weight = face.weight().to_number();
-
-        FONTS.with(|fonts| fonts.borrow_mut().push(LocalFont { family, weight, data }));
-    }
-
-    Ok(())
-}
-
-pub fn register_application_font_from_memory(
-    data: &'static [u8],
-) -> Result<(), Box<dyn std::error::Error>> {
-    maybe_init_fonts();
-    load_font_from_memory(data)
-}
-
-fn maybe_init_fonts() {
-    if FONTS.with(|fonts| fonts.borrow().is_empty()) {
-        load_font_from_memory(include_bytes!("fonts/DejaVuSans.ttf")).unwrap();
-    }
-}
-
-fn find_family_match<'a>(
-    fonts: &'a Vec<LocalFont>,
-    requested_family_name: &'a str,
-) -> impl Iterator<Item = &'a LocalFont> + Clone + 'a {
-    fonts.iter().flat_map(move |local_font| {
-        if requested_family_name == local_font.family {
-            Some(local_font)
-        } else {
-            None
-        }
-    })
-}
-
-pub(crate) fn try_load_app_font(
-    canvas: &CanvasRc,
-    request: &FontRequest,
-) -> Option<femtovg::FontId> {
-    maybe_init_fonts();
-
-    let requested_family = if request.family.is_empty() { "Roboto" } else { &request.family };
-    let requested_weight = request.weight.unwrap();
-
-    FONTS.with(|fonts| {
-        let fonts = fonts.borrow();
-
-        let family_matches = find_family_match(&*fonts, requested_family);
-
-        let font_match = family_matches
-            .clone()
-            .filter(|family_match| requested_weight == family_match.weight.into())
-            .chain(family_matches)
-            .next()
-            .unwrap_or_else(|| fonts.first().unwrap());
-
-        canvas.borrow_mut().add_font_mem(font_match.data).ok()
-    })
-}
-
-pub(crate) fn load_system_font(_canvas: &CanvasRc, _request: &FontRequest) -> femtovg::FontId {
-    unreachable!()
-}
-
-pub(crate) fn font_fallbacks_for_request(_request: &FontRequest) -> Vec<FontRequest> {
-    ["DejaVu Sans"]
-        .iter()
-        .map(|family_name| FontRequest {
-            family: (*family_name).into(),
-            weight: _request.weight,
-            pixel_size: _request.pixel_size,
-        })
-        .collect()
-}