Add cosmic text example

README.md

@@ -146,6 +146,15 @@ A separate Linebender integration for playing Lottie animations is available thr
 
 A separate Linebender integration for rendering raw scenes or Lottie and SVG files in [Bevy] through [`bevy_vello`](https://github.com/linebender/bevy_vello).
 
+### Cosmic Text
+
+An example scene demonstrating the integration of COSMIC text for font loading and text layout through [COSMIC Text Scene](./examples/scenes/src/cosmic_text_scene/mod.rs).
+This scene can be run with:
+
+```shell
+cargo run --package with_winit --features cosmic_text -- --test-scenes
+```
+
 ## Examples
 
 Our examples are provided in separate packages in the [`examples`](https://github.com/linebender/vello/tree/main/examples) directory.
@@ -296,6 +305,7 @@ For clarity, these files are also licensed under either of the above licenses.
 The intent is for this research to be used in as broad a context as possible.
 
 The files in subdirectories of the [`examples/assets`](https://github.com/linebender/vello/tree/main/examples/assets) directory are licensed solely under their respective licenses, available in the `LICENSE` file in their directories.
+The file [`examples/scenes/src/cosmic_text_scene/mod.rs`](examples/scenes/src/cosmic_text_scene/mod.rs) is licensed as described in the [README](examples/scenes/src/cosmic_text_scene/README.md) in its directory.
 
 [piet-metal]: https://github.com/linebender/piet-metal
 [`wgpu`]: https://wgpu.rs/

examples/headless/Cargo.toml

@@ -20,3 +20,6 @@ pollster = { workspace = true }
 env_logger = "0.11.6"
 png = "0.17.16"
 futures-intrusive = { workspace = true }
+
+[features]
+cosmic_text = ["scenes/cosmic_text"]

examples/scenes/Cargo.toml

@@ -17,6 +17,10 @@ clap = { workspace = true, features = ["derive"] }
 image = { workspace = true, features = ["jpeg"] }
 rand = "0.8.5"
 
+
+cosmic-text = { version = "0.12.1", optional = true }
+unicode-segmentation = { version = "1.12.0", optional = true }
+
 # for pico_svg
 roxmltree = "0.20.0"
 bytemuck.workspace = true
@@ -28,3 +32,6 @@ web-time = { workspace = true }
 # We have a transitive dependency on getrandom and it does not automatically
 # support wasm32-unknown-unknown. We need to enable the js feature.
 getrandom = { version = "0.2.15", features = ["js"] }
+
+[features]
+cosmic_text = ["dep:cosmic-text", "dep:unicode-segmentation"]

examples/scenes/src/cosmic_text_scene/LICENSE-MIT

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2022 System76
+Copyright 2020 the Vello Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

examples/scenes/src/cosmic_text_scene/README.md

@@ -0,0 +1,11 @@
+# Cosmic Text Scene
+
+This scene incorporates code from [COSMIC Text](https://github.com/pop-os/cosmic-text).
+This is licensed under the same kind of license as Vello, but it has a different copyright notice.
+
+As such, [mod.rs](./mod.rs) is licensed under either of
+
+- Apache License, Version 2.0 ([LICENSE-APACHE](../../../../LICENSE-APACHE) or <http://www.apache.org/licenses/LICENSE-2.0>)
+- MIT license ([LICENSE-MIT](LICENSE-MIT) or <http://opensource.org/licenses/MIT>)
+
+at your option.