Zed Improved. Aiming to improve upon Zed and make a truly delightful code editor.
https://zed.dev
30ade60ee7
The move to DirectWrite was a substantial change in how the glyph atlas is produced. The initial implementation used ClearType but was downsampling to grayscale during atlas generation, then using the grayscale atlas as an alpha mask. The problem with this approach is that DirectWrite rendering is dependent upon internal gamma correction - i.e. the color of the text and background. As we're producing a colorless atlas we can't tell DirectWrite what colors to target. This change moves to render with grayscale which is a better match for our intended target of an alpha mask atlas. The atlas effectively still contains a gamma bias, in that the render effectively assumes a black on white render, leading to perceptually missing pixels when a final blend is performed in a light on dark render. To address this the shader applies a conditional gamma correction based on the luminance of the text, assuming that most of the time light text implies a light on dark render. The result is a rendering that is perceptually extremely close to the old render target, but still closer to the platform common render behavior - perceptually light on dark renders are now "slightly thinner" than before, but have a "complete" render, that is they are no longer missing light pixels necessary for legibility. Updates #36023 |
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| CONTRIBUTING.md | ||
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Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Installation
On macOS and Linux you can download Zed directly or install Zed via your local package manager.
Other platforms are not yet available:
- Windows (tracking issue)
- Web (tracking issue)
Developing Zed
- Building Zed for macOS
- Building Zed for Linux
- Building Zed for Windows
- Running Collaboration Locally
Contributing
See CONTRIBUTING.md for ways you can contribute to Zed.
Also... we're hiring! Check out our jobs page for open roles.
Licensing
License information for third party dependencies must be correctly provided for CI to pass.
We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:
- Is it showing a
no license specifiederror for a crate you've created? If so, addpublish = falseunder[package]in your crate's Cargo.toml. - Is the error
failed to satisfy license requirementsfor a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to theacceptedarray inscript/licenses/zed-licenses.toml. - Is
cargo-aboutunable to find the license for a dependency? If so, add a clarification field at the end ofscript/licenses/zed-licenses.toml, as specified in the cargo-about book.