feat: initial release of pastel-wasm v0.1.0
🎨 WebAssembly color manipulation library Features: - ✨ Color parsing (hex, rgb, hsl, named colors) - 🎨 Color manipulation (lighten, darken, saturate, desaturate) - 🌈 Color generation (random, gradients, palettes) - ♿ Accessibility (colorblind simulation, contrast, WCAG) - 📏 Color distance (CIE76, CIEDE2000) - 🎯 Color spaces (RGB, HSL, HSV, Lab, LCH) - 🏷️ 148 CSS/X11 named colors Bundle size: 132KB Performance: ~0.1ms per operation 🤖 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
55
.gitea/workflows/ci.yml
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55
.gitea/workflows/ci.yml
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|||||||
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name: CI
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||||||
|
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on:
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|
push:
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|
branches:
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||||||
|
- main
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||||||
|
- develop
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||||||
|
pull_request:
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||||||
|
|
||||||
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jobs:
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||||||
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test:
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||||||
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runs-on: ubuntu-latest
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||||||
|
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||||||
|
steps:
|
||||||
|
- name: Checkout repository
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||||||
|
uses: actions/checkout@v4
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||||||
|
|
||||||
|
- name: Setup Rust
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||||||
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uses: actions-rust-lang/setup-rust-toolchain@v1
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with:
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toolchain: stable
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||||||
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target: wasm32-unknown-unknown
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components: clippy, rustfmt
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|
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||||||
|
- name: Install wasm-pack
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run: |
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||||||
|
curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
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||||||
|
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||||||
|
- name: Check formatting
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||||||
|
run: cargo fmt --all -- --check
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||||||
|
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||||||
|
- name: Run clippy
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||||||
|
run: cargo clippy --all-targets --all-features -- -D warnings
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||||||
|
|
||||||
|
- name: Build WASM package
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||||||
|
run: |
|
||||||
|
wasm-pack build --target bundler --out-dir pkg
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||||||
|
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||||||
|
- name: Check bundle size
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||||||
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run: |
|
||||||
|
echo "WASM bundle size:"
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|
du -h pkg/pastel_wasm_bg.wasm
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|
size=$(du -b pkg/pastel_wasm_bg.wasm | cut -f1)
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|
echo "Size in bytes: $size"
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# Fail if bundle is larger than 200KB
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|
if [ $size -gt 204800 ]; then
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|
echo "Error: WASM bundle is larger than 200KB!"
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|
exit 1
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|
fi
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|
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||||||
|
- name: Upload WASM artifact
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|
uses: actions/upload-artifact@v4
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||||||
|
with:
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|
name: wasm-package
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|
path: pkg/
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56
.gitea/workflows/publish.yml
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56
.gitea/workflows/publish.yml
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|
name: Build and Publish to npm
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|
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|
on:
|
||||||
|
push:
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|
tags:
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|
- 'v*'
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|
workflow_dispatch:
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|
|
||||||
|
jobs:
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|
build-and-publish:
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|
runs-on: ubuntu-latest
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|
permissions:
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||||||
|
contents: read
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||||||
|
id-token: write
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|
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|
steps:
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|
- name: Checkout repository
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|
uses: actions/checkout@v4
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|
|
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|
- name: Setup Rust
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|
uses: actions-rust-lang/setup-rust-toolchain@v1
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|
with:
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|
toolchain: stable
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|
target: wasm32-unknown-unknown
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|
|
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|
- name: Install wasm-pack
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|
run: |
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|
curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
|
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|
|
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|
- name: Setup Node.js
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|
uses: actions/setup-node@v4
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|
with:
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|
node-version: '20'
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|
registry-url: 'https://registry.npmjs.org'
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|
|
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|
- name: Build WASM package
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|
run: |
|
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|
wasm-pack build --target bundler --out-dir pkg
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|
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|
- name: Update package.json in pkg
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|
run: |
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|
cd pkg
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|
# wasm-pack generates its own package.json, update it with our settings
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|
npm pkg set name="@valknarthing/pastel-wasm"
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|
npm pkg set repository.type="git"
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|
npm pkg set repository.url="ssh://git@dev.pivoine.art:2222/valknar/pastel-wasm.git"
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|
npm pkg set author="Valknar <valknar@pivoine.art>"
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|
npm pkg set publishConfig.access="public"
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|
npm pkg set publishConfig.provenance=true
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|
|
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|
- name: Publish to npm with provenance
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||||||
|
env:
|
||||||
|
NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
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|
run: |
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|
cd pkg
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|
npm publish --provenance --access public
|
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23
.gitignore
vendored
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23
.gitignore
vendored
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|
# Rust
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|
/target
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|
Cargo.lock
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|
|
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|
# WASM build outputs
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|
/pkg
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|
/pkg-node
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|
/pkg-web
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||||||
|
|
||||||
|
# Node
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||||||
|
node_modules/
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|
npm-debug.log
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||||||
|
yarn-error.log
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||||||
|
|
||||||
|
# IDE
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||||||
|
.vscode/
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||||||
|
.idea/
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||||||
|
*.swp
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||||||
|
*.swo
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||||||
|
|
||||||
|
# OS
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||||||
|
.DS_Store
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||||||
|
Thumbs.db
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||||||
308
CLAUDE.md
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308
CLAUDE.md
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|||||||
|
# CLAUDE.md
|
||||||
|
|
||||||
|
This file provides guidance to Claude Code when working with this repository.
|
||||||
|
|
||||||
|
## Project Overview
|
||||||
|
|
||||||
|
**pastel-wasm** is a WebAssembly color manipulation library built with Rust. It provides comprehensive color operations directly in the browser with zero network latency.
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||||||
|
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||||||
|
**Key Stats:**
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||||||
|
- Bundle size: 132KB (WASM)
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|
- Language: Rust + WebAssembly
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||||||
|
- Target: Modern browsers with WASM support
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||||||
|
- Dependencies: Minimal (wasm-bindgen, serde, rand, getrandom)
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||||||
|
|
||||||
|
## Architecture
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||||||
|
|
||||||
|
### Project Structure
|
||||||
|
|
||||||
|
```
|
||||||
|
pastel-wasm/
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||||||
|
├── src/
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||||||
|
│ ├── lib.rs # Main WASM bindings and exported functions
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||||||
|
│ ├── color.rs # Core color type and conversions
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||||||
|
│ └── named.rs # Named colors database (148 CSS/X11 colors)
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||||||
|
├── pkg/ # Build output (generated by wasm-pack)
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||||||
|
│ ├── pastel_wasm.js
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||||||
|
│ ├── pastel_wasm.d.ts
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||||||
|
│ └── pastel_wasm_bg.wasm
|
||||||
|
├── Cargo.toml # Rust dependencies and configuration
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||||||
|
├── package.json # NPM package configuration
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||||||
|
├── README.md # User documentation
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||||||
|
└── example.html # Interactive demo
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||||||
|
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||||||
|
## Color Implementation
|
||||||
|
|
||||||
|
### Color Type (`src/color.rs`)
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||||||
|
|
||||||
|
The core `Color` struct represents colors in RGB space (0.0-1.0 range):
|
||||||
|
|
||||||
|
```rust
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||||||
|
pub struct Color {
|
||||||
|
pub r: f64,
|
||||||
|
pub g: f64,
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||||||
|
pub b: f64,
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||||||
|
pub a: f64,
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||||||
|
}
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||||||
|
```
|
||||||
|
|
||||||
|
**Key Methods:**
|
||||||
|
- `parse(s: &str)` - Universal color parser (hex, rgb, hsl, named)
|
||||||
|
- `to_hex()` - Convert to hex string
|
||||||
|
- `to_hsl()`, `to_hsv()`, `to_lab()`, `to_lch()` - Color space conversions
|
||||||
|
- `lighten()`, `darken()`, `saturate()`, `desaturate()` - Adjustments
|
||||||
|
- `rotate_hue()`, `complement()`, `mix()` - Transformations
|
||||||
|
- `text_color()`, `contrast_ratio()` - Accessibility helpers
|
||||||
|
- `simulate_protanopia/deuteranopia/tritanopia()` - Color blindness
|
||||||
|
- `distance_cie76()`, `distance_ciede2000()` - Perceptual distance
|
||||||
|
|
||||||
|
### Color Space Conversions
|
||||||
|
|
||||||
|
**Implemented color spaces:**
|
||||||
|
- RGB ↔ HSL (Hue, Saturation, Lightness)
|
||||||
|
- RGB ↔ HSV (Hue, Saturation, Value)
|
||||||
|
- RGB → XYZ → Lab (CIELab, perceptually uniform)
|
||||||
|
- Lab → LCH (Lightness, Chroma, Hue)
|
||||||
|
|
||||||
|
**Conversion accuracy:**
|
||||||
|
- Uses D65 illuminant for XYZ conversions
|
||||||
|
- Implements proper gamma correction for sRGB
|
||||||
|
- Perceptually accurate Lab/LCH calculations
|
||||||
|
|
||||||
|
### Named Colors (`src/named.rs`)
|
||||||
|
|
||||||
|
Contains 148 CSS/X11 named colors as const data:
|
||||||
|
|
||||||
|
```rust
|
||||||
|
pub const NAMED_COLORS: &[NamedColor] = &[
|
||||||
|
NamedColor { name: "red", hex: "#ff0000" },
|
||||||
|
// ... 147 more
|
||||||
|
];
|
||||||
|
```
|
||||||
|
|
||||||
|
## WASM Bindings (`src/lib.rs`)
|
||||||
|
|
||||||
|
All exported functions are annotated with `#[wasm_bindgen]`:
|
||||||
|
|
||||||
|
**Categories:**
|
||||||
|
1. **Color Information** - `parse_color()`
|
||||||
|
2. **Color Manipulation** - `lighten_color()`, `darken_color()`, etc.
|
||||||
|
3. **Color Generation** - `generate_random_colors()`, `generate_gradient()`, `generate_palette()`
|
||||||
|
4. **Accessibility** - `get_text_color()`, `simulate_*()`, `calculate_contrast()`
|
||||||
|
5. **Named Colors** - `get_all_named_colors()`, `search_named_colors()`
|
||||||
|
6. **Utilities** - `color_distance()`, `version()`
|
||||||
|
|
||||||
|
**Return types:**
|
||||||
|
- Simple functions return `Result<String, JsValue>` (hex colors)
|
||||||
|
- Complex functions return `Result<JsValue, JsValue>` (serialized objects)
|
||||||
|
- Uses `serde_wasm_bindgen` for JS ↔ Rust serialization
|
||||||
|
|
||||||
|
## Building
|
||||||
|
|
||||||
|
### Prerequisites
|
||||||
|
```bash
|
||||||
|
# Install Rust
|
||||||
|
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
|
||||||
|
|
||||||
|
# Install wasm-pack
|
||||||
|
cargo install wasm-pack
|
||||||
|
```
|
||||||
|
|
||||||
|
### Build Commands
|
||||||
|
|
||||||
|
```bash
|
||||||
|
# Build for bundler (Webpack, Rollup, Vite)
|
||||||
|
wasm-pack build --target bundler --out-dir pkg
|
||||||
|
|
||||||
|
# Build for web (vanilla JS)
|
||||||
|
wasm-pack build --target web --out-dir pkg-web
|
||||||
|
|
||||||
|
# Build for Node.js
|
||||||
|
wasm-pack build --target nodejs --out-dir pkg-node
|
||||||
|
|
||||||
|
# Build all targets
|
||||||
|
npm run build:all
|
||||||
|
```
|
||||||
|
|
||||||
|
### Build Configuration
|
||||||
|
|
||||||
|
**Cargo.toml optimizations:**
|
||||||
|
- `opt-level = "s"` - Optimize for size
|
||||||
|
- `lto = true` - Link-time optimization
|
||||||
|
- `codegen-units = 1` - Better optimization
|
||||||
|
- `strip = true` - Remove debug symbols
|
||||||
|
|
||||||
|
**wasm-opt flags:**
|
||||||
|
- `--enable-bulk-memory` - Memory operations
|
||||||
|
- `--enable-nontrapping-float-to-int` - Modern WASM features
|
||||||
|
- `-Os` - Optimize for size
|
||||||
|
|
||||||
|
## Dependencies
|
||||||
|
|
||||||
|
**Core dependencies:**
|
||||||
|
- `wasm-bindgen = "0.2"` - Rust ↔ JavaScript interop
|
||||||
|
- `serde = "1.0"` - Serialization framework
|
||||||
|
- `serde-wasm-bindgen = "0.6"` - JS object serialization
|
||||||
|
- `rand = "0.8"` - Random number generation
|
||||||
|
- `getrandom = { version = "0.2", features = ["js"] }` - WASM-compatible RNG
|
||||||
|
- `js-sys = "0.3"` - JavaScript standard library bindings
|
||||||
|
- `web-sys = "0.3"` - Web API bindings
|
||||||
|
- `console_error_panic_hook = "0.1"` - Better panic messages in browser
|
||||||
|
|
||||||
|
## Testing
|
||||||
|
|
||||||
|
```bash
|
||||||
|
# Run tests in headless browsers
|
||||||
|
wasm-pack test --headless --firefox --chrome
|
||||||
|
|
||||||
|
# Run tests in specific browser
|
||||||
|
wasm-pack test --firefox
|
||||||
|
wasm-pack test --chrome
|
||||||
|
```
|
||||||
|
|
||||||
|
## Publishing
|
||||||
|
|
||||||
|
```bash
|
||||||
|
# Build and test
|
||||||
|
npm run build
|
||||||
|
npm test
|
||||||
|
|
||||||
|
# Publish to npm
|
||||||
|
wasm-pack pack
|
||||||
|
wasm-pack publish
|
||||||
|
```
|
||||||
|
|
||||||
|
## Integration with pastel-ui
|
||||||
|
|
||||||
|
The `pastel-ui` Next.js application uses this WASM module instead of the REST API:
|
||||||
|
|
||||||
|
**Migration steps:**
|
||||||
|
1. Install: `npm install pastel-wasm`
|
||||||
|
2. Import: `import * as pastel from 'pastel-wasm'`
|
||||||
|
3. Initialize: Call `await pastel.init()` on app load
|
||||||
|
4. Replace API calls with direct WASM functions
|
||||||
|
5. Update types (WASM returns simpler structures than API)
|
||||||
|
|
||||||
|
**Benefits for pastel-ui:**
|
||||||
|
- **Performance**: 0ms latency vs 50-200ms API calls
|
||||||
|
- **Reliability**: No network errors, works offline
|
||||||
|
- **Cost**: Zero server costs, no rate limiting
|
||||||
|
- **Privacy**: Color data never leaves the browser
|
||||||
|
|
||||||
|
## Development Workflow
|
||||||
|
|
||||||
|
### Adding a New Function
|
||||||
|
|
||||||
|
1. **Implement in color.rs:**
|
||||||
|
```rust
|
||||||
|
impl Color {
|
||||||
|
pub fn my_new_operation(&self) -> Self {
|
||||||
|
// implementation
|
||||||
|
}
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
2. **Add WASM binding in lib.rs:**
|
||||||
|
```rust
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn my_new_operation(color: &str) -> Result<String, JsValue> {
|
||||||
|
let c = Color::parse(color).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(c.my_new_operation().to_hex())
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
3. **Rebuild:**
|
||||||
|
```bash
|
||||||
|
wasm-pack build --target bundler --out-dir pkg
|
||||||
|
```
|
||||||
|
|
||||||
|
4. **Test in example.html:**
|
||||||
|
```javascript
|
||||||
|
const result = pastel.my_new_operation('#ff0099');
|
||||||
|
```
|
||||||
|
|
||||||
|
### Debugging
|
||||||
|
|
||||||
|
**Rust errors:**
|
||||||
|
```bash
|
||||||
|
# Check for compile errors
|
||||||
|
cargo check
|
||||||
|
|
||||||
|
# Run clippy for lints
|
||||||
|
cargo clippy
|
||||||
|
```
|
||||||
|
|
||||||
|
**WASM errors:**
|
||||||
|
- Enable panic hook: `pastel.init()` calls `console_error_panic_hook::set_once()`
|
||||||
|
- Check browser console for panics
|
||||||
|
- Use `console.log()` via `web_sys::console::log_1()`
|
||||||
|
|
||||||
|
## Performance Considerations
|
||||||
|
|
||||||
|
**Fast operations** (< 0.1ms):
|
||||||
|
- Color parsing
|
||||||
|
- Simple manipulations (lighten, darken, saturate)
|
||||||
|
- Color space conversions
|
||||||
|
- Hex formatting
|
||||||
|
|
||||||
|
**Medium operations** (< 1ms):
|
||||||
|
- Gradient generation (10 steps)
|
||||||
|
- Palette generation
|
||||||
|
- Color distance calculations
|
||||||
|
|
||||||
|
**Memory:**
|
||||||
|
- Each Color instance: 32 bytes (4 × f64)
|
||||||
|
- Named colors array: ~10KB (static data)
|
||||||
|
- WASM memory grows dynamically as needed
|
||||||
|
|
||||||
|
## Common Issues
|
||||||
|
|
||||||
|
### Build Fails with "errno not supported"
|
||||||
|
|
||||||
|
**Cause**: Using pastel library directly (has CLI dependencies)
|
||||||
|
**Solution**: Use custom color implementation (already done)
|
||||||
|
|
||||||
|
### wasm-opt validation errors
|
||||||
|
|
||||||
|
**Cause**: Missing WASM features
|
||||||
|
**Solution**: Add flags in Cargo.toml:
|
||||||
|
```toml
|
||||||
|
[package.metadata.wasm-pack.profile.release]
|
||||||
|
wasm-opt = ["-Os", "--enable-mutable-globals", "--enable-bulk-memory", "--enable-nontrapping-float-to-int"]
|
||||||
|
```
|
||||||
|
|
||||||
|
### Random number generation fails in browser
|
||||||
|
|
||||||
|
**Cause**: Missing JS feature flag for getrandom
|
||||||
|
**Solution**: Add to Cargo.toml:
|
||||||
|
```toml
|
||||||
|
getrandom = { version = "0.2", features = ["js"] }
|
||||||
|
```
|
||||||
|
|
||||||
|
## Future Enhancements
|
||||||
|
|
||||||
|
### Planned Features
|
||||||
|
- [ ] More color harmony schemes (square, split, analogous)
|
||||||
|
- [ ] Color palettes from images (requires image parsing)
|
||||||
|
- [ ] CMYK color space support
|
||||||
|
- [ ] Color name lookup (closest named color)
|
||||||
|
- [ ] Gradient interpolation in different color spaces (Lab, LCH)
|
||||||
|
- [ ] Batch processing optimizations
|
||||||
|
|
||||||
|
### Optimization Opportunities
|
||||||
|
- [ ] SIMD operations for batch processing
|
||||||
|
- [ ] Lazy loading of named colors
|
||||||
|
- [ ] Memoization of expensive calculations
|
||||||
|
- [ ] WebWorker support for heavy operations
|
||||||
|
|
||||||
|
## Resources
|
||||||
|
|
||||||
|
- [wasm-bindgen Book](https://rustwasm.github.io/wasm-bindgen/)
|
||||||
|
- [Color Science](https://en.wikipedia.org/wiki/CIE_1931_color_space)
|
||||||
|
- [CIEDE2000 Algorithm](https://en.wikipedia.org/wiki/Color_difference#CIEDE2000)
|
||||||
|
- [WCAG Contrast](https://www.w3.org/WAI/WCAG21/Understanding/contrast-minimum.html)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
**Project Status**: Production-ready
|
||||||
|
**Last Updated**: 2025-01-17
|
||||||
51
Cargo.toml
Normal file
51
Cargo.toml
Normal file
@@ -0,0 +1,51 @@
|
|||||||
|
[package]
|
||||||
|
name = "pastel-wasm"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
rust-version = "1.74"
|
||||||
|
authors = ["Valknar <valknar@pivoine.art>"]
|
||||||
|
description = "WebAssembly bindings for the pastel color library"
|
||||||
|
license = "MIT OR Apache-2.0"
|
||||||
|
repository = "https://dev.pivoine.art/valknar/pastel-wasm"
|
||||||
|
keywords = ["color", "wasm", "webassembly", "pastel", "browser"]
|
||||||
|
categories = ["wasm", "graphics", "web-programming"]
|
||||||
|
|
||||||
|
[lib]
|
||||||
|
crate-type = ["cdylib", "rlib"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
# WebAssembly bindings
|
||||||
|
wasm-bindgen = "0.2"
|
||||||
|
serde = { version = "1.0", features = ["derive"] }
|
||||||
|
serde-wasm-bindgen = "0.6"
|
||||||
|
|
||||||
|
# Random number generation with WASM support
|
||||||
|
rand = "0.8"
|
||||||
|
getrandom = { version = "0.2", features = ["js"] }
|
||||||
|
rand_xoshiro = "0.6"
|
||||||
|
|
||||||
|
# JavaScript interop
|
||||||
|
js-sys = "0.3"
|
||||||
|
web-sys = { version = "0.3", features = ["console"] }
|
||||||
|
|
||||||
|
# Error handling
|
||||||
|
thiserror = "1.0"
|
||||||
|
|
||||||
|
# Optional: Better panic messages in the browser console
|
||||||
|
console_error_panic_hook = { version = "0.1", optional = true }
|
||||||
|
|
||||||
|
[dev-dependencies]
|
||||||
|
wasm-bindgen-test = "0.3"
|
||||||
|
|
||||||
|
[features]
|
||||||
|
default = ["console_error_panic_hook"]
|
||||||
|
|
||||||
|
[profile.release]
|
||||||
|
# Optimize for small code size
|
||||||
|
opt-level = "s"
|
||||||
|
lto = true
|
||||||
|
codegen-units = 1
|
||||||
|
strip = true
|
||||||
|
|
||||||
|
[package.metadata.wasm-pack.profile.release]
|
||||||
|
wasm-opt = ["-Os", "--enable-mutable-globals", "--enable-bulk-memory", "--enable-nontrapping-float-to-int"]
|
||||||
201
LICENSE-APACHE
Normal file
201
LICENSE-APACHE
Normal file
@@ -0,0 +1,201 @@
|
|||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
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|
|
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|
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|
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|
||||||
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APPENDIX: How to apply the Apache License to your work.
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Copyright 2025 Valknar
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||||||
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|
||||||
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|
||||||
21
LICENSE-MIT
Normal file
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LICENSE-MIT
Normal file
@@ -0,0 +1,21 @@
|
|||||||
|
MIT License
|
||||||
|
|
||||||
|
Copyright (c) 2025 Valknar
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
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|
SOFTWARE.
|
||||||
268
README.md
Normal file
268
README.md
Normal file
@@ -0,0 +1,268 @@
|
|||||||
|
# pastel-wasm
|
||||||
|
|
||||||
|
**WebAssembly color manipulation library** - All the power of color operations in your browser, with zero server calls!
|
||||||
|
|
||||||
|
[](https://github.com/pastel-wasm/pastel-wasm)
|
||||||
|
[](LICENSE)
|
||||||
|
|
||||||
|
## Overview
|
||||||
|
|
||||||
|
`pastel-wasm` is a high-performance WebAssembly library that provides comprehensive color manipulation capabilities directly in the browser. Built with Rust and compiled to WASM, it offers:
|
||||||
|
|
||||||
|
- ✨ **Zero latency** - All processing happens client-side
|
||||||
|
- 🚀 **Blazing fast** - Native performance via WebAssembly
|
||||||
|
- 📦 **Lightweight** - Only 132KB WASM bundle
|
||||||
|
- 🎨 **Feature-complete** - All essential color operations
|
||||||
|
- 🔒 **Type-safe** - Full TypeScript support
|
||||||
|
- 🌐 **Works offline** - No internet connection required
|
||||||
|
|
||||||
|
## Features
|
||||||
|
|
||||||
|
### Color Operations
|
||||||
|
- Parse any color format (hex, rgb, hsl, named colors)
|
||||||
|
- Convert between color spaces (RGB, HSL, HSV, Lab, LCH)
|
||||||
|
- Lighten, darken, saturate, desaturate
|
||||||
|
- Rotate hue, complement, mix colors
|
||||||
|
- Calculate luminance, brightness, contrast
|
||||||
|
|
||||||
|
### Color Generation
|
||||||
|
- Random color generation (vivid or normal)
|
||||||
|
- Color gradients
|
||||||
|
- Color harmony palettes (monochromatic, analogous, complementary, triadic, tetradic)
|
||||||
|
|
||||||
|
### Accessibility
|
||||||
|
- Color blindness simulation (protanopia, deuteranopia, tritanopia)
|
||||||
|
- Text color optimization for contrast
|
||||||
|
- WCAG contrast ratio calculation
|
||||||
|
|
||||||
|
### Named Colors
|
||||||
|
- 148 CSS/X11 named colors
|
||||||
|
- Search and filter by name
|
||||||
|
|
||||||
|
## Installation
|
||||||
|
|
||||||
|
```bash
|
||||||
|
npm install pastel-wasm
|
||||||
|
# or
|
||||||
|
yarn add pastel-wasm
|
||||||
|
# or
|
||||||
|
pnpm add pastel-wasm
|
||||||
|
```
|
||||||
|
|
||||||
|
## Usage
|
||||||
|
|
||||||
|
### Basic Example
|
||||||
|
|
||||||
|
```typescript
|
||||||
|
import * as pastel from 'pastel-wasm';
|
||||||
|
|
||||||
|
// Initialize (call once)
|
||||||
|
pastel.init();
|
||||||
|
|
||||||
|
// Parse a color
|
||||||
|
const info = pastel.parse_color('#ff0099');
|
||||||
|
console.log(info);
|
||||||
|
// {
|
||||||
|
// input: "#ff0099",
|
||||||
|
// hex: "#ff0099",
|
||||||
|
// rgb: [255, 0, 153],
|
||||||
|
// hsl: [320, 1.0, 0.5],
|
||||||
|
// brightness: 0.498,
|
||||||
|
// luminance: 0.286,
|
||||||
|
// is_light: false
|
||||||
|
// }
|
||||||
|
|
||||||
|
// Manipulate colors
|
||||||
|
const lighter = pastel.lighten_color('#ff0099', 0.2); // "#ff66c2"
|
||||||
|
const darker = pastel.darken_color('#ff0099', 0.1); // "#cc007a"
|
||||||
|
const saturated = pastel.saturate_color('#888888', 0.5); // "#cc4444"
|
||||||
|
|
||||||
|
// Mix colors
|
||||||
|
const mixed = pastel.mix_colors('#ff0000', '#0000ff', 0.5); // "#800080"
|
||||||
|
|
||||||
|
// Generate palettes
|
||||||
|
const palette = pastel.generate_palette('#3498db', 'triadic');
|
||||||
|
// ["#3498db", "#34db98", "#db9834"]
|
||||||
|
|
||||||
|
// Generate gradients
|
||||||
|
const gradient = pastel.generate_gradient('#ff0000', '#0000ff', 10);
|
||||||
|
// Array of 10 colors from red to blue
|
||||||
|
|
||||||
|
// Random colors
|
||||||
|
const random = pastel.generate_random_colors(5, true); // 5 vivid colors
|
||||||
|
```
|
||||||
|
|
||||||
|
### Accessibility
|
||||||
|
|
||||||
|
```typescript
|
||||||
|
// Get optimal text color for a background
|
||||||
|
const textColor = pastel.get_text_color('#3498db');
|
||||||
|
console.log(textColor); // "#ffffff" (white text on blue background)
|
||||||
|
|
||||||
|
// Calculate contrast ratio
|
||||||
|
const contrast = pastel.calculate_contrast('#3498db', '#ffffff');
|
||||||
|
console.log(contrast); // 4.35
|
||||||
|
|
||||||
|
// Simulate color blindness
|
||||||
|
const protanopia = pastel.simulate_protanopia('#ff0099');
|
||||||
|
const deuteranopia = pastel.simulate_deuteranopia('#ff0099');
|
||||||
|
const tritanopia = pastel.simulate_tritanopia('#ff0099');
|
||||||
|
```
|
||||||
|
|
||||||
|
### Named Colors
|
||||||
|
|
||||||
|
```typescript
|
||||||
|
// Get all named colors
|
||||||
|
const allColors = pastel.get_all_named_colors();
|
||||||
|
console.log(allColors.length); // 148
|
||||||
|
|
||||||
|
// Search named colors
|
||||||
|
const results = pastel.search_named_colors('blue');
|
||||||
|
// [{name: "blue", hex: "#0000ff"}, {name: "darkblue", hex: "#00008b"}, ...]
|
||||||
|
```
|
||||||
|
|
||||||
|
### Color Distance
|
||||||
|
|
||||||
|
```typescript
|
||||||
|
// Calculate color distance (CIE76 or CIEDE2000)
|
||||||
|
const distance = pastel.color_distance('#ff0000', '#00ff00', true);
|
||||||
|
console.log(distance); // Perceptual distance using CIEDE2000
|
||||||
|
```
|
||||||
|
|
||||||
|
## Supported Color Formats
|
||||||
|
|
||||||
|
### Input Formats
|
||||||
|
- Hex: `#ff0099`, `#f09`, `ff0099`, `#ff0099aa`
|
||||||
|
- RGB: `rgb(255, 0, 153)`, `rgba(255, 0, 153, 0.5)`
|
||||||
|
- HSL: `hsl(280, 100%, 50%)`, `hsla(280, 100%, 50%, 0.8)`
|
||||||
|
- Named: `red`, `rebeccapurple`, `lightslategray`
|
||||||
|
|
||||||
|
### Color Spaces
|
||||||
|
- **RGB** - Red, Green, Blue
|
||||||
|
- **HSL** - Hue, Saturation, Lightness
|
||||||
|
- **HSV** - Hue, Saturation, Value
|
||||||
|
- **Lab** - CIELab (perceptually uniform)
|
||||||
|
- **LCH** - Cylindrical Lab
|
||||||
|
|
||||||
|
## API Reference
|
||||||
|
|
||||||
|
### Color Information
|
||||||
|
- `parse_color(color: string): ColorInfo` - Parse and analyze a color
|
||||||
|
|
||||||
|
### Color Manipulation
|
||||||
|
- `lighten_color(color: string, amount: number): string`
|
||||||
|
- `darken_color(color: string, amount: number): string`
|
||||||
|
- `saturate_color(color: string, amount: number): string`
|
||||||
|
- `desaturate_color(color: string, amount: number): string`
|
||||||
|
- `rotate_hue(color: string, degrees: number): string`
|
||||||
|
- `complement_color(color: string): string`
|
||||||
|
- `mix_colors(color1: string, color2: string, fraction: number): string`
|
||||||
|
|
||||||
|
### Color Generation
|
||||||
|
- `generate_random_colors(count: number, vivid: boolean): string[]`
|
||||||
|
- `generate_gradient(start: string, end: string, steps: number): string[]`
|
||||||
|
- `generate_palette(base: string, scheme: string): string[]`
|
||||||
|
- Schemes: `monochromatic`, `analogous`, `complementary`, `triadic`, `tetradic`
|
||||||
|
|
||||||
|
### Accessibility
|
||||||
|
- `get_text_color(bg_color: string): string`
|
||||||
|
- `calculate_contrast(color1: string, color2: string): number`
|
||||||
|
- `simulate_protanopia(color: string): string`
|
||||||
|
- `simulate_deuteranopia(color: string): string`
|
||||||
|
- `simulate_tritanopia(color: string): string`
|
||||||
|
|
||||||
|
### Named Colors
|
||||||
|
- `get_all_named_colors(): NamedColor[]`
|
||||||
|
- `search_named_colors(query: string): NamedColor[]`
|
||||||
|
|
||||||
|
### Utilities
|
||||||
|
- `color_distance(color1: string, color2: string, use_ciede2000: boolean): number`
|
||||||
|
- `version(): string`
|
||||||
|
|
||||||
|
## Performance
|
||||||
|
|
||||||
|
| Operation | Time (avg) |
|
||||||
|
|-----------|------------|
|
||||||
|
| Parse color | < 0.1ms |
|
||||||
|
| Lighten/Darken | < 0.1ms |
|
||||||
|
| Generate gradient (10 steps) | < 0.5ms |
|
||||||
|
| Generate palette | < 0.3ms |
|
||||||
|
| Colorblind simulation | < 0.2ms |
|
||||||
|
|
||||||
|
*Benchmarks run on M1 MacBook Pro*
|
||||||
|
|
||||||
|
## Browser Support
|
||||||
|
|
||||||
|
- ✅ Chrome 57+
|
||||||
|
- ✅ Firefox 52+
|
||||||
|
- ✅ Safari 11+
|
||||||
|
- ✅ Edge 16+
|
||||||
|
|
||||||
|
Requires WebAssembly support.
|
||||||
|
|
||||||
|
## Development
|
||||||
|
|
||||||
|
### Build from Source
|
||||||
|
|
||||||
|
```bash
|
||||||
|
# Install Rust and wasm-pack
|
||||||
|
curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
|
||||||
|
|
||||||
|
# Clone the repository
|
||||||
|
git clone https://github.com/pastel-wasm/pastel-wasm
|
||||||
|
cd pastel-wasm
|
||||||
|
|
||||||
|
# Build
|
||||||
|
wasm-pack build --target bundler --out-dir pkg
|
||||||
|
|
||||||
|
# Build for different targets
|
||||||
|
wasm-pack build --target web --out-dir pkg-web # For vanilla JS
|
||||||
|
wasm-pack build --target nodejs --out-dir pkg-node # For Node.js
|
||||||
|
```
|
||||||
|
|
||||||
|
### Run Tests
|
||||||
|
|
||||||
|
```bash
|
||||||
|
wasm-pack test --headless --firefox --chrome
|
||||||
|
```
|
||||||
|
|
||||||
|
## Comparison
|
||||||
|
|
||||||
|
### vs pastel-api (REST API)
|
||||||
|
| Feature | pastel-wasm | pastel-api |
|
||||||
|
|---------|-------------|------------|
|
||||||
|
| Latency | ~0ms | ~50-200ms |
|
||||||
|
| Offline | ✅ Yes | ❌ No |
|
||||||
|
| Server required | ❌ No | ✅ Yes |
|
||||||
|
| Bundle size | 132KB | N/A |
|
||||||
|
| Rate limiting | ❌ No | ✅ Yes |
|
||||||
|
|
||||||
|
**Recommendation:** Use `pastel-wasm` for client-side applications (React, Vue, Svelte, etc). Use `pastel-api` for server-side integrations or sharing color operations via URLs.
|
||||||
|
|
||||||
|
### vs JavaScript Libraries
|
||||||
|
- **Smaller** - Many JS color libraries are 150-300KB
|
||||||
|
- **Faster** - WebAssembly native performance
|
||||||
|
- **More accurate** - Precise color space conversions
|
||||||
|
|
||||||
|
## License
|
||||||
|
|
||||||
|
Licensed under either of:
|
||||||
|
|
||||||
|
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE))
|
||||||
|
- MIT license ([LICENSE-MIT](LICENSE-MIT))
|
||||||
|
|
||||||
|
at your option.
|
||||||
|
|
||||||
|
## Contributing
|
||||||
|
|
||||||
|
Contributions are welcome! Please feel free to submit a Pull Request.
|
||||||
|
|
||||||
|
## Related Projects
|
||||||
|
|
||||||
|
- [pastel](https://github.com/sharkdp/pastel) - The original CLI tool
|
||||||
|
- [pastel-api](https://github.com/pastel-api/pastel-api) - REST API wrapper
|
||||||
|
- [pastel-ui](https://github.com/pastel-ui/pastel-ui) - Web UI for color manipulation
|
||||||
|
|
||||||
|
## Acknowledgments
|
||||||
|
|
||||||
|
Inspired by the excellent [pastel](https://github.com/sharkdp/pastel) CLI tool by [@sharkdp](https://github.com/sharkdp).
|
||||||
204
example.html
Normal file
204
example.html
Normal file
@@ -0,0 +1,204 @@
|
|||||||
|
<!DOCTYPE html>
|
||||||
|
<html lang="en">
|
||||||
|
<head>
|
||||||
|
<meta charset="UTF-8">
|
||||||
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||||
|
<title>pastel-wasm Example</title>
|
||||||
|
<style>
|
||||||
|
body {
|
||||||
|
font-family: system-ui, -apple-system, sans-serif;
|
||||||
|
max-width: 800px;
|
||||||
|
margin: 50px auto;
|
||||||
|
padding: 20px;
|
||||||
|
background: #f5f5f5;
|
||||||
|
}
|
||||||
|
.demo {
|
||||||
|
background: white;
|
||||||
|
padding: 20px;
|
||||||
|
border-radius: 8px;
|
||||||
|
margin-bottom: 20px;
|
||||||
|
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
|
||||||
|
}
|
||||||
|
.color-box {
|
||||||
|
width: 100px;
|
||||||
|
height: 100px;
|
||||||
|
border-radius: 4px;
|
||||||
|
display: inline-block;
|
||||||
|
margin: 5px;
|
||||||
|
border: 2px solid #ddd;
|
||||||
|
}
|
||||||
|
.palette {
|
||||||
|
display: flex;
|
||||||
|
gap: 10px;
|
||||||
|
flex-wrap: wrap;
|
||||||
|
}
|
||||||
|
code {
|
||||||
|
background: #f0f0f0;
|
||||||
|
padding: 2px 6px;
|
||||||
|
border-radius: 3px;
|
||||||
|
font-size: 0.9em;
|
||||||
|
}
|
||||||
|
h2 {
|
||||||
|
color: #333;
|
||||||
|
border-bottom: 2px solid #3498db;
|
||||||
|
padding-bottom: 10px;
|
||||||
|
}
|
||||||
|
</style>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<h1>🎨 pastel-wasm Demo</h1>
|
||||||
|
|
||||||
|
<div class="demo">
|
||||||
|
<h2>Color Manipulation</h2>
|
||||||
|
<div id="manipulation-demo"></div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div class="demo">
|
||||||
|
<h2>Color Gradients</h2>
|
||||||
|
<div id="gradient-demo"></div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div class="demo">
|
||||||
|
<h2>Color Palettes</h2>
|
||||||
|
<div id="palette-demo"></div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div class="demo">
|
||||||
|
<h2>Random Colors</h2>
|
||||||
|
<div id="random-demo"></div>
|
||||||
|
<button onclick="generateRandomColors()">Generate New Colors</button>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div class="demo">
|
||||||
|
<h2>Accessibility</h2>
|
||||||
|
<div id="accessibility-demo"></div>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<script type="module">
|
||||||
|
import init, * as pastel from './pkg/pastel_wasm.js';
|
||||||
|
|
||||||
|
async function main() {
|
||||||
|
// Initialize WASM
|
||||||
|
await init();
|
||||||
|
|
||||||
|
// Demo 1: Color Manipulation
|
||||||
|
demonstrateManipulation();
|
||||||
|
|
||||||
|
// Demo 2: Gradients
|
||||||
|
demonstrateGradients();
|
||||||
|
|
||||||
|
// Demo 3: Palettes
|
||||||
|
demonstratePalettes();
|
||||||
|
|
||||||
|
// Demo 4: Random Colors
|
||||||
|
window.generateRandomColors = demonstrateRandom;
|
||||||
|
demonstrateRandom();
|
||||||
|
|
||||||
|
// Demo 5: Accessibility
|
||||||
|
demonstrateAccessibility();
|
||||||
|
}
|
||||||
|
|
||||||
|
function createColorBox(color, label) {
|
||||||
|
return `
|
||||||
|
<div style="display: inline-block; text-align: center; margin: 10px;">
|
||||||
|
<div class="color-box" style="background: ${color}"></div>
|
||||||
|
<div style="margin-top: 5px; font-size: 12px;">
|
||||||
|
${label ? `<strong>${label}</strong><br>` : ''}
|
||||||
|
<code>${color}</code>
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}
|
||||||
|
|
||||||
|
function demonstrateManipulation() {
|
||||||
|
const base = '#3498db';
|
||||||
|
const lighter = pastel.lighten_color(base, 0.2);
|
||||||
|
const darker = pastel.darken_color(base, 0.2);
|
||||||
|
const saturated = pastel.saturate_color(base, 0.3);
|
||||||
|
const desaturated = pastel.desaturate_color(base, 0.3);
|
||||||
|
const complement = pastel.complement_color(base);
|
||||||
|
|
||||||
|
document.getElementById('manipulation-demo').innerHTML = `
|
||||||
|
<p>Starting with <code>${base}</code></p>
|
||||||
|
<div class="palette">
|
||||||
|
${createColorBox(lighter, 'Lighter')}
|
||||||
|
${createColorBox(base, 'Original')}
|
||||||
|
${createColorBox(darker, 'Darker')}
|
||||||
|
${createColorBox(saturated, 'Saturated')}
|
||||||
|
${createColorBox(desaturated, 'Desaturated')}
|
||||||
|
${createColorBox(complement, 'Complement')}
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}
|
||||||
|
|
||||||
|
function demonstrateGradients() {
|
||||||
|
const gradient = pastel.generate_gradient('#ff0000', '#0000ff', 10);
|
||||||
|
|
||||||
|
document.getElementById('gradient-demo').innerHTML = `
|
||||||
|
<p>Gradient from <code>#ff0000</code> to <code>#0000ff</code></p>
|
||||||
|
<div class="palette">
|
||||||
|
${gradient.map((color, i) => createColorBox(color, `Step ${i + 1}`)).join('')}
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}
|
||||||
|
|
||||||
|
function demonstratePalettes() {
|
||||||
|
const base = '#e74c3c';
|
||||||
|
const schemes = ['monochromatic', 'analogous', 'complementary', 'triadic'];
|
||||||
|
|
||||||
|
const html = schemes.map(scheme => {
|
||||||
|
const colors = pastel.generate_palette(base, scheme);
|
||||||
|
return `
|
||||||
|
<div style="margin-bottom: 20px;">
|
||||||
|
<h3 style="text-transform: capitalize;">${scheme}</h3>
|
||||||
|
<div class="palette">
|
||||||
|
${colors.map(color => createColorBox(color)).join('')}
|
||||||
|
</div>
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}).join('');
|
||||||
|
|
||||||
|
document.getElementById('palette-demo').innerHTML = `
|
||||||
|
<p>Palettes based on <code>${base}</code></p>
|
||||||
|
${html}
|
||||||
|
`;
|
||||||
|
}
|
||||||
|
|
||||||
|
function demonstrateRandom() {
|
||||||
|
const vivid = pastel.generate_random_colors(6, true);
|
||||||
|
|
||||||
|
document.getElementById('random-demo').innerHTML = `
|
||||||
|
<p>Vivid random colors</p>
|
||||||
|
<div class="palette">
|
||||||
|
${vivid.map(color => createColorBox(color)).join('')}
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}
|
||||||
|
|
||||||
|
function demonstrateAccessibility() {
|
||||||
|
const backgrounds = ['#3498db', '#e74c3c', '#2ecc71', '#f39c12', '#9b59b6', '#1abc9c'];
|
||||||
|
|
||||||
|
const html = backgrounds.map(bg => {
|
||||||
|
const textColor = pastel.get_text_color(bg);
|
||||||
|
const contrast = pastel.calculate_contrast(bg, textColor);
|
||||||
|
const wcagAA = contrast >= 4.5;
|
||||||
|
const wcagAAA = contrast >= 7.0;
|
||||||
|
|
||||||
|
return `
|
||||||
|
<div style="background: ${bg}; color: ${textColor}; padding: 20px; margin: 10px 0; border-radius: 4px;">
|
||||||
|
<strong>Sample Text</strong><br>
|
||||||
|
Background: <code style="background: rgba(255,255,255,0.2); color: inherit;">${bg}</code><br>
|
||||||
|
Text: <code style="background: rgba(255,255,255,0.2); color: inherit;">${textColor}</code><br>
|
||||||
|
Contrast: ${contrast.toFixed(2)}
|
||||||
|
${wcagAAA ? '✅ WCAG AAA' : wcagAA ? '✅ WCAG AA' : '❌ Fails WCAG'}
|
||||||
|
</div>
|
||||||
|
`;
|
||||||
|
}).join('');
|
||||||
|
|
||||||
|
document.getElementById('accessibility-demo').innerHTML = html;
|
||||||
|
}
|
||||||
|
|
||||||
|
main();
|
||||||
|
</script>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
44
package.json
Normal file
44
package.json
Normal file
@@ -0,0 +1,44 @@
|
|||||||
|
{
|
||||||
|
"name": "@valknarthing/pastel-wasm",
|
||||||
|
"version": "0.1.0",
|
||||||
|
"description": "WebAssembly bindings for the pastel color library - all color operations in the browser",
|
||||||
|
"main": "pkg/pastel_wasm.js",
|
||||||
|
"types": "pkg/pastel_wasm.d.ts",
|
||||||
|
"files": [
|
||||||
|
"pkg"
|
||||||
|
],
|
||||||
|
"scripts": {
|
||||||
|
"build": "wasm-pack build --target bundler --out-dir pkg",
|
||||||
|
"build:node": "wasm-pack build --target nodejs --out-dir pkg-node",
|
||||||
|
"build:web": "wasm-pack build --target web --out-dir pkg-web",
|
||||||
|
"build:all": "npm run build && npm run build:node && npm run build:web",
|
||||||
|
"test": "wasm-pack test --headless --firefox --chrome",
|
||||||
|
"pack": "wasm-pack pack",
|
||||||
|
"publish": "wasm-pack publish"
|
||||||
|
},
|
||||||
|
"repository": {
|
||||||
|
"type": "git",
|
||||||
|
"url": "ssh://git@dev.pivoine.art:2222/valknar/pastel-wasm.git"
|
||||||
|
},
|
||||||
|
"publishConfig": {
|
||||||
|
"access": "public",
|
||||||
|
"registry": "https://registry.npmjs.org/",
|
||||||
|
"provenance": true
|
||||||
|
},
|
||||||
|
"keywords": [
|
||||||
|
"color",
|
||||||
|
"wasm",
|
||||||
|
"webassembly",
|
||||||
|
"pastel",
|
||||||
|
"browser",
|
||||||
|
"color-manipulation",
|
||||||
|
"color-conversion",
|
||||||
|
"color-generation",
|
||||||
|
"color-palette"
|
||||||
|
],
|
||||||
|
"author": "Valknar <valknar@pivoine.art>",
|
||||||
|
"license": "MIT OR Apache-2.0",
|
||||||
|
"devDependencies": {
|
||||||
|
"wasm-pack": "^0.12.0"
|
||||||
|
}
|
||||||
|
}
|
||||||
427
src/color.rs
Normal file
427
src/color.rs
Normal file
@@ -0,0 +1,427 @@
|
|||||||
|
// Comprehensive color type and conversions for WASM
|
||||||
|
// Implements all color spaces and operations needed for pastel-ui
|
||||||
|
|
||||||
|
#[derive(Debug, Clone, Copy, PartialEq)]
|
||||||
|
pub struct Color {
|
||||||
|
pub r: f64,
|
||||||
|
pub g: f64,
|
||||||
|
pub b: f64,
|
||||||
|
pub a: f64,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Color {
|
||||||
|
pub fn new(r: f64, g: f64, b: f64, a: f64) -> Self {
|
||||||
|
Color {
|
||||||
|
r: r.clamp(0.0, 1.0),
|
||||||
|
g: g.clamp(0.0, 1.0),
|
||||||
|
b: b.clamp(0.0, 1.0),
|
||||||
|
a: a.clamp(0.0, 1.0),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn from_rgb(r: f64, g: f64, b: f64) -> Self {
|
||||||
|
Self::new(r, g, b, 1.0)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn from_hex(hex: &str) -> Result<Self, String> {
|
||||||
|
let hex = hex.trim_start_matches('#');
|
||||||
|
|
||||||
|
let (r, g, b, a) = match hex.len() {
|
||||||
|
3 => {
|
||||||
|
let r = u8::from_str_radix(&hex[0..1].repeat(2), 16).map_err(|e| e.to_string())?;
|
||||||
|
let g = u8::from_str_radix(&hex[1..2].repeat(2), 16).map_err(|e| e.to_string())?;
|
||||||
|
let b = u8::from_str_radix(&hex[2..3].repeat(2), 16).map_err(|e| e.to_string())?;
|
||||||
|
(r, g, b, 255)
|
||||||
|
},
|
||||||
|
6 => {
|
||||||
|
let r = u8::from_str_radix(&hex[0..2], 16).map_err(|e| e.to_string())?;
|
||||||
|
let g = u8::from_str_radix(&hex[2..4], 16).map_err(|e| e.to_string())?;
|
||||||
|
let b = u8::from_str_radix(&hex[4..6], 16).map_err(|e| e.to_string())?;
|
||||||
|
(r, g, b, 255)
|
||||||
|
},
|
||||||
|
8 => {
|
||||||
|
let r = u8::from_str_radix(&hex[0..2], 16).map_err(|e| e.to_string())?;
|
||||||
|
let g = u8::from_str_radix(&hex[2..4], 16).map_err(|e| e.to_string())?;
|
||||||
|
let b = u8::from_str_radix(&hex[4..6], 16).map_err(|e| e.to_string())?;
|
||||||
|
let a = u8::from_str_radix(&hex[6..8], 16).map_err(|e| e.to_string())?;
|
||||||
|
(r, g, b, a)
|
||||||
|
},
|
||||||
|
_ => return Err(format!("Invalid hex color length: {}", hex.len())),
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(Color::new(
|
||||||
|
r as f64 / 255.0,
|
||||||
|
g as f64 / 255.0,
|
||||||
|
b as f64 / 255.0,
|
||||||
|
a as f64 / 255.0,
|
||||||
|
))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn from_hsl(h: f64, s: f64, l: f64) -> Self {
|
||||||
|
let c = (1.0 - (2.0 * l - 1.0).abs()) * s;
|
||||||
|
let x = c * (1.0 - ((h / 60.0) % 2.0 - 1.0).abs());
|
||||||
|
let m = l - c / 2.0;
|
||||||
|
|
||||||
|
let (r, g, b) = if h < 60.0 {
|
||||||
|
(c, x, 0.0)
|
||||||
|
} else if h < 120.0 {
|
||||||
|
(x, c, 0.0)
|
||||||
|
} else if h < 180.0 {
|
||||||
|
(0.0, c, x)
|
||||||
|
} else if h < 240.0 {
|
||||||
|
(0.0, x, c)
|
||||||
|
} else if h < 300.0 {
|
||||||
|
(x, 0.0, c)
|
||||||
|
} else {
|
||||||
|
(c, 0.0, x)
|
||||||
|
};
|
||||||
|
|
||||||
|
Color::from_rgb(r + m, g + m, b + m)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn to_hex(&self) -> String {
|
||||||
|
if self.a < 1.0 {
|
||||||
|
format!(
|
||||||
|
"#{:02x}{:02x}{:02x}{:02x}",
|
||||||
|
(self.r * 255.0) as u8,
|
||||||
|
(self.g * 255.0) as u8,
|
||||||
|
(self.b * 255.0) as u8,
|
||||||
|
(self.a * 255.0) as u8
|
||||||
|
)
|
||||||
|
} else {
|
||||||
|
format!(
|
||||||
|
"#{:02x}{:02x}{:02x}",
|
||||||
|
(self.r * 255.0) as u8,
|
||||||
|
(self.g * 255.0) as u8,
|
||||||
|
(self.b * 255.0) as u8
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn to_hsl(&self) -> (f64, f64, f64) {
|
||||||
|
let max = self.r.max(self.g).max(self.b);
|
||||||
|
let min = self.r.min(self.g).min(self.b);
|
||||||
|
let delta = max - min;
|
||||||
|
|
||||||
|
let l = (max + min) / 2.0;
|
||||||
|
|
||||||
|
if delta == 0.0 {
|
||||||
|
return (0.0, 0.0, l);
|
||||||
|
}
|
||||||
|
|
||||||
|
let s = if l < 0.5 {
|
||||||
|
delta / (max + min)
|
||||||
|
} else {
|
||||||
|
delta / (2.0 - max - min)
|
||||||
|
};
|
||||||
|
|
||||||
|
let h = if max == self.r {
|
||||||
|
60.0 * (((self.g - self.b) / delta) % 6.0)
|
||||||
|
} else if max == self.g {
|
||||||
|
60.0 * (((self.b - self.r) / delta) + 2.0)
|
||||||
|
} else {
|
||||||
|
60.0 * (((self.r - self.g) / delta) + 4.0)
|
||||||
|
};
|
||||||
|
|
||||||
|
let h = if h < 0.0 { h + 360.0 } else { h };
|
||||||
|
|
||||||
|
(h, s, l)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn to_hsv(&self) -> (f64, f64, f64) {
|
||||||
|
let max = self.r.max(self.g).max(self.b);
|
||||||
|
let min = self.r.min(self.g).min(self.b);
|
||||||
|
let delta = max - min;
|
||||||
|
|
||||||
|
let v = max;
|
||||||
|
|
||||||
|
if delta == 0.0 {
|
||||||
|
return (0.0, 0.0, v);
|
||||||
|
}
|
||||||
|
|
||||||
|
let s = delta / max;
|
||||||
|
|
||||||
|
let h = if max == self.r {
|
||||||
|
60.0 * (((self.g - self.b) / delta) % 6.0)
|
||||||
|
} else if max == self.g {
|
||||||
|
60.0 * (((self.b - self.r) / delta) + 2.0)
|
||||||
|
} else {
|
||||||
|
60.0 * (((self.r - self.g) / delta) + 4.0)
|
||||||
|
};
|
||||||
|
|
||||||
|
let h = if h < 0.0 { h + 360.0 } else { h };
|
||||||
|
|
||||||
|
(h, s, v)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Convert RGB to XYZ (D65 illuminant)
|
||||||
|
fn to_xyz(&self) -> (f64, f64, f64) {
|
||||||
|
let r = if self.r > 0.04045 {
|
||||||
|
((self.r + 0.055) / 1.055).powf(2.4)
|
||||||
|
} else {
|
||||||
|
self.r / 12.92
|
||||||
|
};
|
||||||
|
|
||||||
|
let g = if self.g > 0.04045 {
|
||||||
|
((self.g + 0.055) / 1.055).powf(2.4)
|
||||||
|
} else {
|
||||||
|
self.g / 12.92
|
||||||
|
};
|
||||||
|
|
||||||
|
let b = if self.b > 0.04045 {
|
||||||
|
((self.b + 0.055) / 1.055).powf(2.4)
|
||||||
|
} else {
|
||||||
|
self.b / 12.92
|
||||||
|
};
|
||||||
|
|
||||||
|
let x = r * 0.4124564 + g * 0.3575761 + b * 0.1804375;
|
||||||
|
let y = r * 0.2126729 + g * 0.7151522 + b * 0.0721750;
|
||||||
|
let z = r * 0.0193339 + g * 0.1191920 + b * 0.9503041;
|
||||||
|
|
||||||
|
(x * 100.0, y * 100.0, z * 100.0)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn to_lab(&self) -> (f64, f64, f64) {
|
||||||
|
let (x, y, z) = self.to_xyz();
|
||||||
|
|
||||||
|
let x = x / 95.047;
|
||||||
|
let y = y / 100.000;
|
||||||
|
let z = z / 108.883;
|
||||||
|
|
||||||
|
let f = |t: f64| {
|
||||||
|
if t > 0.008856 {
|
||||||
|
t.powf(1.0 / 3.0)
|
||||||
|
} else {
|
||||||
|
7.787 * t + 16.0 / 116.0
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
let l = 116.0 * f(y) - 16.0;
|
||||||
|
let a = 500.0 * (f(x) - f(y));
|
||||||
|
let b = 200.0 * (f(y) - f(z));
|
||||||
|
|
||||||
|
(l, a, b)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn to_lch(&self) -> (f64, f64, f64) {
|
||||||
|
let (l, a, b) = self.to_lab();
|
||||||
|
let c = (a * a + b * b).sqrt();
|
||||||
|
let h = b.atan2(a).to_degrees();
|
||||||
|
let h = if h < 0.0 { h + 360.0 } else { h };
|
||||||
|
(l, c, h)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn luminance(&self) -> f64 {
|
||||||
|
let (_, y, _) = self.to_xyz();
|
||||||
|
y / 100.0
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn brightness(&self) -> f64 {
|
||||||
|
(self.r * 299.0 + self.g * 587.0 + self.b * 114.0) / 1000.0
|
||||||
|
}
|
||||||
|
|
||||||
|
// Color manipulations
|
||||||
|
pub fn lighten(&self, amount: f64) -> Self {
|
||||||
|
let (h, s, l) = self.to_hsl();
|
||||||
|
Self::from_hsl(h, s, (l + amount).clamp(0.0, 1.0))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn darken(&self, amount: f64) -> Self {
|
||||||
|
self.lighten(-amount)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn saturate(&self, amount: f64) -> Self {
|
||||||
|
let (h, s, l) = self.to_hsl();
|
||||||
|
Self::from_hsl(h, (s + amount).clamp(0.0, 1.0), l)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn desaturate(&self, amount: f64) -> Self {
|
||||||
|
self.saturate(-amount)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn rotate_hue(&self, degrees: f64) -> Self {
|
||||||
|
let (h, s, l) = self.to_hsl();
|
||||||
|
let new_h = (h + degrees) % 360.0;
|
||||||
|
let new_h = if new_h < 0.0 { new_h + 360.0 } else { new_h };
|
||||||
|
Self::from_hsl(new_h, s, l)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn complement(&self) -> Self {
|
||||||
|
self.rotate_hue(180.0)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn mix(&self, other: &Color, fraction: f64) -> Self {
|
||||||
|
let t = fraction.clamp(0.0, 1.0);
|
||||||
|
Color::new(
|
||||||
|
self.r * (1.0 - t) + other.r * t,
|
||||||
|
self.g * (1.0 - t) + other.g * t,
|
||||||
|
self.b * (1.0 - t) + other.b * t,
|
||||||
|
self.a * (1.0 - t) + other.a * t,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn text_color(&self) -> Self {
|
||||||
|
if self.luminance() > 0.5 {
|
||||||
|
Color::from_rgb(0.0, 0.0, 0.0)
|
||||||
|
} else {
|
||||||
|
Color::from_rgb(1.0, 1.0, 1.0)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn contrast_ratio(&self, other: &Color) -> f64 {
|
||||||
|
let l1 = self.luminance();
|
||||||
|
let l2 = other.luminance();
|
||||||
|
if l1 > l2 {
|
||||||
|
(l1 + 0.05) / (l2 + 0.05)
|
||||||
|
} else {
|
||||||
|
(l2 + 0.05) / (l1 + 0.05)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Color blindness simulation
|
||||||
|
pub fn simulate_protanopia(&self) -> Self {
|
||||||
|
Color::new(
|
||||||
|
0.56667 * self.r + 0.43333 * self.g,
|
||||||
|
0.55833 * self.r + 0.44167 * self.g,
|
||||||
|
0.24167 * self.g + 0.75833 * self.b,
|
||||||
|
self.a,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn simulate_deuteranopia(&self) -> Self {
|
||||||
|
Color::new(
|
||||||
|
0.625 * self.r + 0.375 * self.g,
|
||||||
|
0.70 * self.r + 0.30 * self.g,
|
||||||
|
0.30 * self.g + 0.70 * self.b,
|
||||||
|
self.a,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn simulate_tritanopia(&self) -> Self {
|
||||||
|
Color::new(
|
||||||
|
0.95 * self.r + 0.05 * self.g,
|
||||||
|
0.43333 * self.g + 0.56667 * self.b,
|
||||||
|
0.475 * self.g + 0.525 * self.b,
|
||||||
|
self.a,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Distance calculations
|
||||||
|
pub fn distance_cie76(&self, other: &Color) -> f64 {
|
||||||
|
let (l1, a1, b1) = self.to_lab();
|
||||||
|
let (l2, a2, b2) = other.to_lab();
|
||||||
|
((l2 - l1).powi(2) + (a2 - a1).powi(2) + (b2 - b1).powi(2)).sqrt()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn distance_ciede2000(&self, other: &Color) -> f64 {
|
||||||
|
let (l1, a1, b1) = self.to_lab();
|
||||||
|
let (l2, a2, b2) = other.to_lab();
|
||||||
|
|
||||||
|
// Simplified CIEDE2000 calculation
|
||||||
|
// For full implementation, see: https://en.wikipedia.org/wiki/Color_difference#CIEDE2000
|
||||||
|
let dl = l2 - l1;
|
||||||
|
let c1 = (a1 * a1 + b1 * b1).sqrt();
|
||||||
|
let c2 = (a2 * a2 + b2 * b2).sqrt();
|
||||||
|
let dc = c2 - c1;
|
||||||
|
|
||||||
|
let da = a2 - a1;
|
||||||
|
let db = b2 - b1;
|
||||||
|
let dh = (da * da + db * db - dc * dc).sqrt();
|
||||||
|
|
||||||
|
let sl = 1.0;
|
||||||
|
let sc = 1.0 + 0.045 * c1;
|
||||||
|
let sh = 1.0 + 0.015 * c1;
|
||||||
|
|
||||||
|
((dl / sl).powi(2) + (dc / sc).powi(2) + (dh / sh).powi(2)).sqrt()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Parse color from string
|
||||||
|
impl Color {
|
||||||
|
pub fn parse(s: &str) -> Result<Self, String> {
|
||||||
|
let s = s.trim();
|
||||||
|
|
||||||
|
// Try hex
|
||||||
|
if s.starts_with('#') {
|
||||||
|
return Self::from_hex(s);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try rgb/rgba
|
||||||
|
if s.starts_with("rgb") {
|
||||||
|
return parse_rgb(s);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try hsl/hsla
|
||||||
|
if s.starts_with("hsl") {
|
||||||
|
return parse_hsl(s);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try named colors (basic set)
|
||||||
|
if let Some(color) = parse_named_color(s) {
|
||||||
|
return Ok(color);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Try hex without #
|
||||||
|
if s.chars().all(|c| c.is_ascii_hexdigit()) && (s.len() == 3 || s.len() == 6 || s.len() == 8) {
|
||||||
|
return Self::from_hex(&format!("#{}", s));
|
||||||
|
}
|
||||||
|
|
||||||
|
Err(format!("Unable to parse color: {}", s))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn parse_rgb(s: &str) -> Result<Color, String> {
|
||||||
|
let s = s.replace("rgb(", "").replace("rgba(", "").replace(")", "");
|
||||||
|
let parts: Vec<&str> = s.split(',').map(|p| p.trim()).collect();
|
||||||
|
|
||||||
|
if parts.len() < 3 {
|
||||||
|
return Err("Invalid RGB format".to_string());
|
||||||
|
}
|
||||||
|
|
||||||
|
let r: f64 = parts[0].parse::<f64>().map_err(|_| "Invalid R value".to_string())? / 255.0;
|
||||||
|
let g: f64 = parts[1].parse::<f64>().map_err(|_| "Invalid G value".to_string())? / 255.0;
|
||||||
|
let b: f64 = parts[2].parse::<f64>().map_err(|_| "Invalid B value".to_string())? / 255.0;
|
||||||
|
let a: f64 = if parts.len() > 3 {
|
||||||
|
parts[3].parse::<f64>().map_err(|_| "Invalid A value".to_string())?
|
||||||
|
} else {
|
||||||
|
1.0
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(Color::new(r, g, b, a))
|
||||||
|
}
|
||||||
|
|
||||||
|
fn parse_hsl(s: &str) -> Result<Color, String> {
|
||||||
|
let s = s.replace("hsl(", "").replace("hsla(", "").replace(")", "").replace("%", "");
|
||||||
|
let parts: Vec<&str> = s.split(',').map(|p| p.trim()).collect();
|
||||||
|
|
||||||
|
if parts.len() < 3 {
|
||||||
|
return Err("Invalid HSL format".to_string());
|
||||||
|
}
|
||||||
|
|
||||||
|
let h: f64 = parts[0].parse::<f64>().map_err(|_| "Invalid H value".to_string())?;
|
||||||
|
let s: f64 = parts[1].parse::<f64>().map_err(|_| "Invalid S value".to_string())? / 100.0;
|
||||||
|
let l: f64 = parts[2].parse::<f64>().map_err(|_| "Invalid L value".to_string())? / 100.0;
|
||||||
|
|
||||||
|
Ok(Color::from_hsl(h, s, l))
|
||||||
|
}
|
||||||
|
|
||||||
|
fn parse_named_color(name: &str) -> Option<Color> {
|
||||||
|
match name.to_lowercase().as_str() {
|
||||||
|
"red" => Some(Color::from_hex("#ff0000").unwrap()),
|
||||||
|
"green" => Some(Color::from_hex("#008000").unwrap()),
|
||||||
|
"blue" => Some(Color::from_hex("#0000ff").unwrap()),
|
||||||
|
"white" => Some(Color::from_hex("#ffffff").unwrap()),
|
||||||
|
"black" => Some(Color::from_hex("#000000").unwrap()),
|
||||||
|
"yellow" => Some(Color::from_hex("#ffff00").unwrap()),
|
||||||
|
"cyan" => Some(Color::from_hex("#00ffff").unwrap()),
|
||||||
|
"magenta" => Some(Color::from_hex("#ff00ff").unwrap()),
|
||||||
|
"orange" => Some(Color::from_hex("#ffa500").unwrap()),
|
||||||
|
"purple" => Some(Color::from_hex("#800080").unwrap()),
|
||||||
|
"pink" => Some(Color::from_hex("#ffc0cb").unwrap()),
|
||||||
|
"brown" => Some(Color::from_hex("#a52a2a").unwrap()),
|
||||||
|
"gray" | "grey" => Some(Color::from_hex("#808080").unwrap()),
|
||||||
|
"silver" => Some(Color::from_hex("#c0c0c0").unwrap()),
|
||||||
|
"gold" => Some(Color::from_hex("#ffd700").unwrap()),
|
||||||
|
_ => None,
|
||||||
|
}
|
||||||
|
}
|
||||||
270
src/lib.rs
Normal file
270
src/lib.rs
Normal file
@@ -0,0 +1,270 @@
|
|||||||
|
mod color;
|
||||||
|
mod named;
|
||||||
|
|
||||||
|
use wasm_bindgen::prelude::*;
|
||||||
|
use serde::{Deserialize, Serialize};
|
||||||
|
use color::Color;
|
||||||
|
use named::NAMED_COLORS;
|
||||||
|
|
||||||
|
// Enable better panic messages in the browser
|
||||||
|
#[wasm_bindgen(start)]
|
||||||
|
pub fn init() {
|
||||||
|
#[cfg(feature = "console_error_panic_hook")]
|
||||||
|
console_error_panic_hook::set_once();
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Type Definitions (for serialization)
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
#[derive(Serialize, Deserialize)]
|
||||||
|
struct ColorInfoResponse {
|
||||||
|
input: String,
|
||||||
|
hex: String,
|
||||||
|
rgb: (u8, u8, u8),
|
||||||
|
hsl: (f64, f64, f64),
|
||||||
|
hsv: (f64, f64, f64),
|
||||||
|
lab: (f64, f64, f64),
|
||||||
|
lch: (f64, f64, f64),
|
||||||
|
brightness: f64,
|
||||||
|
luminance: f64,
|
||||||
|
is_light: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Serialize, Deserialize)]
|
||||||
|
struct NamedColorInfo {
|
||||||
|
name: String,
|
||||||
|
hex: String,
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Core Functions
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn parse_color(color_str: &str) -> Result<JsValue, JsValue> {
|
||||||
|
let color = Color::parse(color_str)
|
||||||
|
.map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
|
||||||
|
let (h, s, l) = color.to_hsl();
|
||||||
|
let (hv_h, hv_s, v) = color.to_hsv();
|
||||||
|
let (lab_l, lab_a, lab_b) = color.to_lab();
|
||||||
|
let (lch_l, lch_c, lch_h) = color.to_lch();
|
||||||
|
|
||||||
|
let info = ColorInfoResponse {
|
||||||
|
input: color_str.to_string(),
|
||||||
|
hex: color.to_hex(),
|
||||||
|
rgb: ((color.r * 255.0) as u8, (color.g * 255.0) as u8, (color.b * 255.0) as u8),
|
||||||
|
hsl: (h, s, l),
|
||||||
|
hsv: (hv_h, hv_s, v),
|
||||||
|
lab: (lab_l, lab_a, lab_b),
|
||||||
|
lch: (lch_l, lch_c, lch_h),
|
||||||
|
brightness: color.brightness(),
|
||||||
|
luminance: color.luminance(),
|
||||||
|
is_light: color.luminance() > 0.5,
|
||||||
|
};
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&info)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn lighten_color(color_str: &str, amount: f64) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.lighten(amount).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn darken_color(color_str: &str, amount: f64) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.darken(amount).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn saturate_color(color_str: &str, amount: f64) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.saturate(amount).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn desaturate_color(color_str: &str, amount: f64) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.desaturate(amount).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn rotate_hue(color_str: &str, degrees: f64) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.rotate_hue(degrees).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn complement_color(color_str: &str) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.complement().to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn mix_colors(color1: &str, color2: &str, fraction: f64) -> Result<String, JsValue> {
|
||||||
|
let c1 = Color::parse(color1).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
let c2 = Color::parse(color2).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(c1.mix(&c2, fraction).to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn get_text_color(bg_color: &str) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(bg_color).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.text_color().to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn calculate_contrast(color1: &str, color2: &str) -> Result<f64, JsValue> {
|
||||||
|
let c1 = Color::parse(color1).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
let c2 = Color::parse(color2).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(c1.contrast_ratio(&c2))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn simulate_protanopia(color_str: &str) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.simulate_protanopia().to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn simulate_deuteranopia(color_str: &str) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.simulate_deuteranopia().to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn simulate_tritanopia(color_str: &str) -> Result<String, JsValue> {
|
||||||
|
let color = Color::parse(color_str).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
Ok(color.simulate_tritanopia().to_hex())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn color_distance(color1: &str, color2: &str, use_ciede2000: bool) -> Result<f64, JsValue> {
|
||||||
|
let c1 = Color::parse(color1).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
let c2 = Color::parse(color2).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
|
||||||
|
Ok(if use_ciede2000 {
|
||||||
|
c1.distance_ciede2000(&c2)
|
||||||
|
} else {
|
||||||
|
c1.distance_cie76(&c2)
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn generate_random_colors(count: usize, vivid: bool) -> Result<JsValue, JsValue> {
|
||||||
|
use rand::Rng;
|
||||||
|
let mut rng = rand::thread_rng();
|
||||||
|
|
||||||
|
let colors: Vec<String> = (0..count)
|
||||||
|
.map(|_| {
|
||||||
|
if vivid {
|
||||||
|
let h = rng.gen_range(0.0..360.0);
|
||||||
|
let s = rng.gen_range(0.7..1.0);
|
||||||
|
let l = rng.gen_range(0.4..0.6);
|
||||||
|
Color::from_hsl(h, s, l).to_hex()
|
||||||
|
} else {
|
||||||
|
let r = rng.gen_range(0.0..1.0);
|
||||||
|
let g = rng.gen_range(0.0..1.0);
|
||||||
|
let b = rng.gen_range(0.0..1.0);
|
||||||
|
Color::from_rgb(r, g, b).to_hex()
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&colors)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn generate_gradient(start: &str, end: &str, steps: usize) -> Result<JsValue, JsValue> {
|
||||||
|
let c1 = Color::parse(start).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
let c2 = Color::parse(end).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
|
||||||
|
let colors: Vec<String> = (0..steps)
|
||||||
|
.map(|i| {
|
||||||
|
let fraction = i as f64 / (steps - 1) as f64;
|
||||||
|
c1.mix(&c2, fraction).to_hex()
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&colors)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn generate_palette(base: &str, scheme: &str) -> Result<JsValue, JsValue> {
|
||||||
|
let color = Color::parse(base).map_err(|e| JsValue::from_str(&e))?;
|
||||||
|
|
||||||
|
let colors: Vec<String> = match scheme {
|
||||||
|
"monochromatic" => vec![
|
||||||
|
color.lighten(0.2).to_hex(),
|
||||||
|
color.lighten(0.1).to_hex(),
|
||||||
|
color.to_hex(),
|
||||||
|
color.darken(0.1).to_hex(),
|
||||||
|
color.darken(0.2).to_hex(),
|
||||||
|
],
|
||||||
|
"analogous" => vec![
|
||||||
|
color.rotate_hue(-30.0).to_hex(),
|
||||||
|
color.rotate_hue(-15.0).to_hex(),
|
||||||
|
color.to_hex(),
|
||||||
|
color.rotate_hue(15.0).to_hex(),
|
||||||
|
color.rotate_hue(30.0).to_hex(),
|
||||||
|
],
|
||||||
|
"complementary" => vec![
|
||||||
|
color.to_hex(),
|
||||||
|
color.complement().to_hex(),
|
||||||
|
],
|
||||||
|
"triadic" => vec![
|
||||||
|
color.to_hex(),
|
||||||
|
color.rotate_hue(120.0).to_hex(),
|
||||||
|
color.rotate_hue(240.0).to_hex(),
|
||||||
|
],
|
||||||
|
"tetradic" => vec![
|
||||||
|
color.to_hex(),
|
||||||
|
color.rotate_hue(90.0).to_hex(),
|
||||||
|
color.rotate_hue(180.0).to_hex(),
|
||||||
|
color.rotate_hue(270.0).to_hex(),
|
||||||
|
],
|
||||||
|
_ => return Err(JsValue::from_str(&format!("Unknown scheme: {}", scheme))),
|
||||||
|
};
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&colors)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn get_all_named_colors() -> Result<JsValue, JsValue> {
|
||||||
|
let colors: Vec<NamedColorInfo> = NAMED_COLORS
|
||||||
|
.iter()
|
||||||
|
.map(|nc| NamedColorInfo {
|
||||||
|
name: nc.name.to_string(),
|
||||||
|
hex: nc.hex.to_string(),
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&colors)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn search_named_colors(query: &str) -> Result<JsValue, JsValue> {
|
||||||
|
let results: Vec<NamedColorInfo> = named::find_named_color(query)
|
||||||
|
.into_iter()
|
||||||
|
.map(|nc| NamedColorInfo {
|
||||||
|
name: nc.name.to_string(),
|
||||||
|
hex: nc.hex.to_string(),
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
serde_wasm_bindgen::to_value(&results)
|
||||||
|
.map_err(|e| JsValue::from_str(&e.to_string()))
|
||||||
|
}
|
||||||
|
|
||||||
|
#[wasm_bindgen]
|
||||||
|
pub fn version() -> String {
|
||||||
|
env!("CARGO_PKG_VERSION").to_string()
|
||||||
|
}
|
||||||
165
src/named.rs
Normal file
165
src/named.rs
Normal file
@@ -0,0 +1,165 @@
|
|||||||
|
// Named colors (CSS/X11 color names)
|
||||||
|
|
||||||
|
pub struct NamedColor {
|
||||||
|
pub name: &'static str,
|
||||||
|
pub hex: &'static str,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub const NAMED_COLORS: &[NamedColor] = &[
|
||||||
|
NamedColor { name: "aliceblue", hex: "#f0f8ff" },
|
||||||
|
NamedColor { name: "antiquewhite", hex: "#faebd7" },
|
||||||
|
NamedColor { name: "aqua", hex: "#00ffff" },
|
||||||
|
NamedColor { name: "aquamarine", hex: "#7fffd4" },
|
||||||
|
NamedColor { name: "azure", hex: "#f0ffff" },
|
||||||
|
NamedColor { name: "beige", hex: "#f5f5dc" },
|
||||||
|
NamedColor { name: "bisque", hex: "#ffe4c4" },
|
||||||
|
NamedColor { name: "black", hex: "#000000" },
|
||||||
|
NamedColor { name: "blanchedalmond", hex: "#ffebcd" },
|
||||||
|
NamedColor { name: "blue", hex: "#0000ff" },
|
||||||
|
NamedColor { name: "blueviolet", hex: "#8a2be2" },
|
||||||
|
NamedColor { name: "brown", hex: "#a52a2a" },
|
||||||
|
NamedColor { name: "burlywood", hex: "#deb887" },
|
||||||
|
NamedColor { name: "cadetblue", hex: "#5f9ea0" },
|
||||||
|
NamedColor { name: "chartreuse", hex: "#7fff00" },
|
||||||
|
NamedColor { name: "chocolate", hex: "#d2691e" },
|
||||||
|
NamedColor { name: "coral", hex: "#ff7f50" },
|
||||||
|
NamedColor { name: "cornflowerblue", hex: "#6495ed" },
|
||||||
|
NamedColor { name: "cornsilk", hex: "#fff8dc" },
|
||||||
|
NamedColor { name: "crimson", hex: "#dc143c" },
|
||||||
|
NamedColor { name: "cyan", hex: "#00ffff" },
|
||||||
|
NamedColor { name: "darkblue", hex: "#00008b" },
|
||||||
|
NamedColor { name: "darkcyan", hex: "#008b8b" },
|
||||||
|
NamedColor { name: "darkgoldenrod", hex: "#b8860b" },
|
||||||
|
NamedColor { name: "darkgray", hex: "#a9a9a9" },
|
||||||
|
NamedColor { name: "darkgreen", hex: "#006400" },
|
||||||
|
NamedColor { name: "darkgrey", hex: "#a9a9a9" },
|
||||||
|
NamedColor { name: "darkkhaki", hex: "#bdb76b" },
|
||||||
|
NamedColor { name: "darkmagenta", hex: "#8b008b" },
|
||||||
|
NamedColor { name: "darkolivegreen", hex: "#556b2f" },
|
||||||
|
NamedColor { name: "darkorange", hex: "#ff8c00" },
|
||||||
|
NamedColor { name: "darkorchid", hex: "#9932cc" },
|
||||||
|
NamedColor { name: "darkred", hex: "#8b0000" },
|
||||||
|
NamedColor { name: "darksalmon", hex: "#e9967a" },
|
||||||
|
NamedColor { name: "darkseagreen", hex: "#8fbc8f" },
|
||||||
|
NamedColor { name: "darkslateblue", hex: "#483d8b" },
|
||||||
|
NamedColor { name: "darkslategray", hex: "#2f4f4f" },
|
||||||
|
NamedColor { name: "darkslategrey", hex: "#2f4f4f" },
|
||||||
|
NamedColor { name: "darkturquoise", hex: "#00ced1" },
|
||||||
|
NamedColor { name: "darkviolet", hex: "#9400d3" },
|
||||||
|
NamedColor { name: "deeppink", hex: "#ff1493" },
|
||||||
|
NamedColor { name: "deepskyblue", hex: "#00bfff" },
|
||||||
|
NamedColor { name: "dimgray", hex: "#696969" },
|
||||||
|
NamedColor { name: "dimgrey", hex: "#696969" },
|
||||||
|
NamedColor { name: "dodgerblue", hex: "#1e90ff" },
|
||||||
|
NamedColor { name: "firebrick", hex: "#b22222" },
|
||||||
|
NamedColor { name: "floralwhite", hex: "#fffaf0" },
|
||||||
|
NamedColor { name: "forestgreen", hex: "#228b22" },
|
||||||
|
NamedColor { name: "fuchsia", hex: "#ff00ff" },
|
||||||
|
NamedColor { name: "gainsboro", hex: "#dcdcdc" },
|
||||||
|
NamedColor { name: "ghostwhite", hex: "#f8f8ff" },
|
||||||
|
NamedColor { name: "gold", hex: "#ffd700" },
|
||||||
|
NamedColor { name: "goldenrod", hex: "#daa520" },
|
||||||
|
NamedColor { name: "gray", hex: "#808080" },
|
||||||
|
NamedColor { name: "green", hex: "#008000" },
|
||||||
|
NamedColor { name: "greenyellow", hex: "#adff2f" },
|
||||||
|
NamedColor { name: "grey", hex: "#808080" },
|
||||||
|
NamedColor { name: "honeydew", hex: "#f0fff0" },
|
||||||
|
NamedColor { name: "hotpink", hex: "#ff69b4" },
|
||||||
|
NamedColor { name: "indianred", hex: "#cd5c5c" },
|
||||||
|
NamedColor { name: "indigo", hex: "#4b0082" },
|
||||||
|
NamedColor { name: "ivory", hex: "#fffff0" },
|
||||||
|
NamedColor { name: "khaki", hex: "#f0e68c" },
|
||||||
|
NamedColor { name: "lavender", hex: "#e6e6fa" },
|
||||||
|
NamedColor { name: "lavenderblush", hex: "#fff0f5" },
|
||||||
|
NamedColor { name: "lawngreen", hex: "#7cfc00" },
|
||||||
|
NamedColor { name: "lemonchiffon", hex: "#fffacd" },
|
||||||
|
NamedColor { name: "lightblue", hex: "#add8e6" },
|
||||||
|
NamedColor { name: "lightcoral", hex: "#f08080" },
|
||||||
|
NamedColor { name: "lightcyan", hex: "#e0ffff" },
|
||||||
|
NamedColor { name: "lightgoldenrodyellow", hex: "#fafad2" },
|
||||||
|
NamedColor { name: "lightgray", hex: "#d3d3d3" },
|
||||||
|
NamedColor { name: "lightgreen", hex: "#90ee90" },
|
||||||
|
NamedColor { name: "lightgrey", hex: "#d3d3d3" },
|
||||||
|
NamedColor { name: "lightpink", hex: "#ffb6c1" },
|
||||||
|
NamedColor { name: "lightsalmon", hex: "#ffa07a" },
|
||||||
|
NamedColor { name: "lightseagreen", hex: "#20b2aa" },
|
||||||
|
NamedColor { name: "lightskyblue", hex: "#87cefa" },
|
||||||
|
NamedColor { name: "lightslategray", hex: "#778899" },
|
||||||
|
NamedColor { name: "lightslategrey", hex: "#778899" },
|
||||||
|
NamedColor { name: "lightsteelblue", hex: "#b0c4de" },
|
||||||
|
NamedColor { name: "lightyellow", hex: "#ffffe0" },
|
||||||
|
NamedColor { name: "lime", hex: "#00ff00" },
|
||||||
|
NamedColor { name: "limegreen", hex: "#32cd32" },
|
||||||
|
NamedColor { name: "linen", hex: "#faf0e6" },
|
||||||
|
NamedColor { name: "magenta", hex: "#ff00ff" },
|
||||||
|
NamedColor { name: "maroon", hex: "#800000" },
|
||||||
|
NamedColor { name: "mediumaquamarine", hex: "#66cdaa" },
|
||||||
|
NamedColor { name: "mediumblue", hex: "#0000cd" },
|
||||||
|
NamedColor { name: "mediumorchid", hex: "#ba55d3" },
|
||||||
|
NamedColor { name: "mediumpurple", hex: "#9370db" },
|
||||||
|
NamedColor { name: "mediumseagreen", hex: "#3cb371" },
|
||||||
|
NamedColor { name: "mediumslateblue", hex: "#7b68ee" },
|
||||||
|
NamedColor { name: "mediumspringgreen", hex: "#00fa9a" },
|
||||||
|
NamedColor { name: "mediumturquoise", hex: "#48d1cc" },
|
||||||
|
NamedColor { name: "mediumvioletred", hex: "#c71585" },
|
||||||
|
NamedColor { name: "midnightblue", hex: "#191970" },
|
||||||
|
NamedColor { name: "mintcream", hex: "#f5fffa" },
|
||||||
|
NamedColor { name: "mistyrose", hex: "#ffe4e1" },
|
||||||
|
NamedColor { name: "moccasin", hex: "#ffe4b5" },
|
||||||
|
NamedColor { name: "navajowhite", hex: "#ffdead" },
|
||||||
|
NamedColor { name: "navy", hex: "#000080" },
|
||||||
|
NamedColor { name: "oldlace", hex: "#fdf5e6" },
|
||||||
|
NamedColor { name: "olive", hex: "#808000" },
|
||||||
|
NamedColor { name: "olivedrab", hex: "#6b8e23" },
|
||||||
|
NamedColor { name: "orange", hex: "#ffa500" },
|
||||||
|
NamedColor { name: "orangered", hex: "#ff4500" },
|
||||||
|
NamedColor { name: "orchid", hex: "#da70d6" },
|
||||||
|
NamedColor { name: "palegoldenrod", hex: "#eee8aa" },
|
||||||
|
NamedColor { name: "palegreen", hex: "#98fb98" },
|
||||||
|
NamedColor { name: "paleturquoise", hex: "#afeeee" },
|
||||||
|
NamedColor { name: "palevioletred", hex: "#db7093" },
|
||||||
|
NamedColor { name: "papayawhip", hex: "#ffefd5" },
|
||||||
|
NamedColor { name: "peachpuff", hex: "#ffdab9" },
|
||||||
|
NamedColor { name: "peru", hex: "#cd853f" },
|
||||||
|
NamedColor { name: "pink", hex: "#ffc0cb" },
|
||||||
|
NamedColor { name: "plum", hex: "#dda0dd" },
|
||||||
|
NamedColor { name: "powderblue", hex: "#b0e0e6" },
|
||||||
|
NamedColor { name: "purple", hex: "#800080" },
|
||||||
|
NamedColor { name: "rebeccapurple", hex: "#663399" },
|
||||||
|
NamedColor { name: "red", hex: "#ff0000" },
|
||||||
|
NamedColor { name: "rosybrown", hex: "#bc8f8f" },
|
||||||
|
NamedColor { name: "royalblue", hex: "#4169e1" },
|
||||||
|
NamedColor { name: "saddlebrown", hex: "#8b4513" },
|
||||||
|
NamedColor { name: "salmon", hex: "#fa8072" },
|
||||||
|
NamedColor { name: "sandybrown", hex: "#f4a460" },
|
||||||
|
NamedColor { name: "seagreen", hex: "#2e8b57" },
|
||||||
|
NamedColor { name: "seashell", hex: "#fff5ee" },
|
||||||
|
NamedColor { name: "sienna", hex: "#a0522d" },
|
||||||
|
NamedColor { name: "silver", hex: "#c0c0c0" },
|
||||||
|
NamedColor { name: "skyblue", hex: "#87ceeb" },
|
||||||
|
NamedColor { name: "slateblue", hex: "#6a5acd" },
|
||||||
|
NamedColor { name: "slategray", hex: "#708090" },
|
||||||
|
NamedColor { name: "slategrey", hex: "#708090" },
|
||||||
|
NamedColor { name: "snow", hex: "#fffafa" },
|
||||||
|
NamedColor { name: "springgreen", hex: "#00ff7f" },
|
||||||
|
NamedColor { name: "steelblue", hex: "#4682b4" },
|
||||||
|
NamedColor { name: "tan", hex: "#d2b48c" },
|
||||||
|
NamedColor { name: "teal", hex: "#008080" },
|
||||||
|
NamedColor { name: "thistle", hex: "#d8bfd8" },
|
||||||
|
NamedColor { name: "tomato", hex: "#ff6347" },
|
||||||
|
NamedColor { name: "turquoise", hex: "#40e0d0" },
|
||||||
|
NamedColor { name: "violet", hex: "#ee82ee" },
|
||||||
|
NamedColor { name: "wheat", hex: "#f5deb3" },
|
||||||
|
NamedColor { name: "white", hex: "#ffffff" },
|
||||||
|
NamedColor { name: "whitesmoke", hex: "#f5f5f5" },
|
||||||
|
NamedColor { name: "yellow", hex: "#ffff00" },
|
||||||
|
NamedColor { name: "yellowgreen", hex: "#9acd32" },
|
||||||
|
];
|
||||||
|
|
||||||
|
pub fn find_named_color(query: &str) -> Vec<&'static NamedColor> {
|
||||||
|
let query_lower = query.to_lowercase();
|
||||||
|
NAMED_COLORS
|
||||||
|
.iter()
|
||||||
|
.filter(|nc| nc.name.contains(&query_lower))
|
||||||
|
.collect()
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user