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[+] add some image effect by AI
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‎Cargo.lock‎

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‎Cargo.toml‎

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rustls = { version = "0.23", default-features = false }
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tokio-rustls = { version = "0.26", default-features = false }
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photon-rs = "0.3"
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imageproc = "0.25"
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mp4m = { path = "lib/mp4m" }
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wrtc = { path = "lib/wrtc" }
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srtmp = { path = "lib/srtmp" }
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bytesio = { path = "lib/bytesio" }
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recorder = { path = "lib/recorder" }
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mp4-player = { path = "lib/mp4-player" }
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image-effect = { path = "lib/image-effect" }
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video-encoder = { path = "lib/video-encoder" }
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screen-capture = { path = "lib/screen-capture" }
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screen-capture-windows = { path = "lib/screen-capture-windows" }

‎lib/image-effect/.gitignore‎

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/tmp
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/target
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/.claude
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*.png
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.mcp.json

‎lib/image-effect/Cargo.toml‎

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[package]
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name = "image-effect"
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license.workspace = true
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edition.workspace = true
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version.workspace = true
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readme.workspace = true
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authors.workspace = true
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keywords.workspace = true
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homepage.workspace = true
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repository.workspace = true
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description.workspace = true
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[dependencies]
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log.workspace = true
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image.workspace = true
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imageproc.workspace = true
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photon-rs.workspace = true
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thiserror.workspace = true
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derivative.workspace = true
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derive_setters.workspace = true
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[dev-dependencies]
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anyhow.workspace = true
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env_logger.workspace = true

‎lib/image-effect/README.md‎

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# image-effect
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A comprehensive Rust image effects library built with pure Rust implementations and [imageproc] for specialized operations.
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## Overview
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This library provides a unified API for applying various image effects to `RgbaImage` images from the `image` crate. It's designed to be simple, performant, and extensible with **no external image processing library dependencies** except for `imageproc`.
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## Features
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- **38 Image Effects** organized into 6 categories
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- **Builder Pattern** for all configuration structs with `derive_setters`
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- **Type-safe** configuration with sensible defaults via `derivative`
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- **Unified `Effect` trait** for all effects
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- **Error handling** with custom `ImageEffectError`
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- **Pure Rust implementations** for reliable, consistent behavior
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- **Works with images of any size** (no limitations like some external libraries)
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## Library Usage Strategy
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This library uses the following approach:
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1. **Pure Rust implementations** (70.6% of effects) - Custom implementations for full control
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2. **imageproc** (17.6% of effects) - Used for specialized operations like median filtering
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3. **Manual convolution** (11.8% of effects) - Hand-crafted convolution kernels for edge detection, emboss, sharpen
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## Why Pure Rust?
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Previously, this library relied heavily on `photon-rs`. However, we encountered critical issues:
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- **Buffer size mismatches** with large images (e.g., 1080P)
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- **Inconsistent behavior** across different image sizes
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- **Limited debugging capabilities** when issues arose
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By implementing effects in pure Rust, we gain:
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- ✅ **Predictable behavior** at any image size
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- ✅ **Easier debugging** and maintenance
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- ✅ **No hidden dependencies** or version conflicts
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- ✅ **Better performance** control and optimization opportunities
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## Available Effects
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### 🎨 Base Effects
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **Grayscale** | Convert to grayscale with multiple modes | `GrayscaleConfig` | Pure Rust |
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| **Invert** | Invert all colors | N/A | Pure Rust |
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| **Brightness** | Adjust image brightness | `BrightnessConfig` | Pure Rust |
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| **Contrast** | Adjust image contrast | `ContrastConfig` | Pure Rust |
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| **Saturation** | Adjust color saturation | `SaturationConfig` | Pure Rust |
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| **HueRotate** | Rotate hue of the image | `HueRotateConfig` | Pure Rust |
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**Grayscale Modes:**
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- `Average` - Simple average of RGB channels
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- `Luminance` - Human-corrected luminance (default, 0.299*R + 0.587*G + 0.114*B)
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- `RedChannel` - Use only red channel
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- `GreenChannel` - Use only green channel
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- `BlueChannel` - Use only blue channel
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### 🔵 Blur Effects
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **GaussianBlur** | Apply Gaussian blur | `GaussianBlurConfig` | Pure Rust (box blur approximation) |
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| **BoxBlur** | Apply box blur | `BoxBlurConfig` | Pure Rust |
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| **MedianBlur** | Apply median blur | `MedianBlurConfig` | imageproc |
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### 🎭 Filter Effects
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **Sepia** | Apply sepia tone with intensity control | `SepiaConfig` | Pure Rust |
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| **WarmFilter** | Warm color temperature | `TemperatureConfig` | Pure Rust |
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| **CoolFilter** | Cool color temperature | `TemperatureConfig` | Pure Rust |
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| **ColorTint** | Apply custom color tint | `ColorTintConfig` | Pure Rust |
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| **Vignette** | Add vignette effect | `VignetteConfig` | Pure Rust |
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### 🌈 Preset Filters
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **Oceanic** | Blue ocean tones | `PresetFilter::Oceanic` | Pure Rust |
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| **Islands** | Tropical island tones | `PresetFilter::Islands` | Pure Rust |
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| **Marine** | Deep sea colors | `PresetFilter::Marine` | Pure Rust |
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| **Seagreen** | Sea green tones | `PresetFilter::Seagreen` | Pure Rust |
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| **Flagblue** | Blue flag colors | `PresetFilter::Flagblue` | Pure Rust |
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| **Liquid** | Liquid-like effect | `PresetFilter::Liquid` | Pure Rust |
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| **Diamante** | Diamond shine effect | `PresetFilter::Diamante` | Pure Rust |
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| **Radio** | Radio wave effect | `PresetFilter::Radio` | Pure Rust |
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| **Twenties** | 1920s vintage look | `PresetFilter::Twenties` | Pure Rust |
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| **Rosetint** | Rose tint effect | `PresetFilter::Rosetint` | Pure Rust |
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| **Mauve** | Mauve tone effect | `PresetFilter::Mauve` | Pure Rust |
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| **Bluechrome** | Blue chrome effect | `PresetFilter::Bluechrome` | Pure Rust |
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| **Vintage** | Vintage look | `PresetFilter::Vintage` | Pure Rust |
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| **Perfume** | Perfume color effect | `PresetFilter::Perfume` | Pure Rust |
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| **Serenity** | Serene calm tones | `PresetFilter::Serenity` | Pure Rust |
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### 🖤 Monochrome Effects
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **Duotone** | Two-color gradient effect | `DuotoneConfig` | Pure Rust |
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| **Solarization** | Tone inversion effect | `SolarizationConfig` | Pure Rust |
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| **Threshold** | Binarize image by threshold | `ThresholdConfig` | Pure Rust |
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| **Level** | Adjust input/output levels | `LevelConfig` | Pure Rust |
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| **ColorBalance** | Shift RGB color channels | `ColorBalanceConfig` | Pure Rust |
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**Solarization Modes:**
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- `Red` - Invert red channel above threshold
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- `Green` - Invert green channel above threshold
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- `Blue` - Invert blue channel above threshold
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- `RG` - Invert red and green channels
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- `RB` - Invert red and blue channels
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- `GB` - Invert green and blue channels
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- `RGB` - Invert all channels (default)
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### ✨ Stylized Effects
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| Effect | Description | Config | Implementation |
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|--------|-------------|--------|----------------|
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| **EdgeDetection** | Detect edges (Sobel/Laplacian) | `EdgeDetectionConfig` | Pure Rust (convolution) |
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| **Emboss** | Apply emboss effect | `EmbossConfig` | Pure Rust (convolution) |
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| **Sharpen** | Sharpen the image | `SharpenConfig` | Pure Rust (convolution) |
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| **Pixelate** | Pixelate the image | `PixelateConfig` | Pure Rust |
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| **Posterize** | Posterize the image | `PosterizeConfig` | Pure Rust |
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## Examples
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The library includes **23 example programs** demonstrating each effect:
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```bash
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# Base effects
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cargo run --example invert_demo
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cargo run --example brightness_demo
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cargo run --example contrast_demo
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cargo run --example saturation_demo
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cargo run --example hue_rotate_demo
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cargo run --example grayscale_demo
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# Blur effects
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cargo run --example box_blur_demo
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cargo run --example gaussian_blur_demo
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cargo run --example median_blur_demo
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# Filter effects
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cargo run --example sepia_demo
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cargo run --example color_tint_demo
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cargo run --example temperature_demo
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cargo run --example vignette_demo
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# Stylized effects
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cargo run --example edge_detection_demo
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cargo run --example emboss_demo
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cargo run --example sharpen_demo
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cargo run --example pixelate_demo
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cargo run --example posterize_demo
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# Preset filters
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cargo run --example preset_filters_demo
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# Monochrome effects
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cargo run --example duotone_demo
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cargo run --example solarization_demo
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cargo run --example threshold_demo
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cargo run --example color_balance_demo
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```
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All examples use real images from `data/test.png` and save results to the `tmp/` directory.
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## Implementation Details
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### Base Effects
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All base effects are implemented with pixel-wise operations:
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- **Invert**: Simple RGB channel inversion
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- **Grayscale**: Multiple conversion formulas for different use cases
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- **Brightness**: Additive/subtractive adjustment with clamping
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- **Contrast**: Multiplicative adjustment around midpoint (128)
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- **Saturation**: HSL-like saturation adjustment using luminance blending
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- **HueRotate**: Full RGB ↔ HSL conversion with hue rotation
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### Blur Effects
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- **GaussianBlur**: Simplified Gaussian blur using separable box blur approximation
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- **BoxBlur**: Simple averaging kernel with configurable radius
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- **MedianBlur**: Uses imageproc's efficient median filter implementation
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### Filter Effects
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- **Sepia**: Standard sepia transformation matrix with intensity blending
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- **Temperature**: Color temperature adjustment by modifying R/B channels
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- **ColorTint**: Alpha blending with custom color
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- **Vignette**: Radial darkening based on distance from center
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### Stylized Effects
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- **EdgeDetection**: Sobel and Laplacian convolution kernels
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- **Emboss**: 3x3 emboss convolution kernel
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- **Sharpen**: Unsharp mask convolution kernel
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- **Pixelate**: Block-wise averaging for pixelation effect
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- **Posterize**: Quantization to reduce color levels
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### Preset Filters
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All preset filters use pixel-wise color adjustments:
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- **Oceanic** - Blue channel enhancement with reduced red/green
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- **Islands** - Tropical color shift with cyan/green boost
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- **Marine** - Deep sea blues with slight desaturation
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- **Seagreen** - Green-blue channel mixing
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- **Flagblue** - Bright blue channel enhancement
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- **Liquid** - Fluid color distortion effect
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- **Diamante** - High contrast with diamond shine
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- **Radio** - Radio wave color distortion
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- **Twenties** - Sepia-like vintage 1920s effect
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- **Rosetint** - Rose/pink overlay effect
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- **Mauve** - Mauve/purple tone shift
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- **Bluechrome** - Blue chrome metallic effect
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- **Vintage** - Vintage faded colors
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- **Perfume** - Soft perfume color tint
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- **Serenity** - Calm blue-green tones
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### Monochrome Effects
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- **Duotone**: Two-color gradient mapping based on luminance
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- **Solarization**: Tone inversion for pixels above threshold (with channel selection)
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- **Threshold**: Binary thresholding based on luminance
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- **Level**: Input/output level adjustment for contrast stretching
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- **ColorBalance**: RGB channel shifting for color correction
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## Performance Considerations
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- **Pure Rust operations** compile to optimized machine code
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- **Convolution kernels** use efficient pixel access patterns
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- **No intermediate allocations** for most operations
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- **imageproc integration** only where it provides significant benefits (median filtering)
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- **All operations work in-place** when possible to minimize memory usage
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## Architecture
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```
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image-effect/
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├── src/
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│ ├── lib.rs # Main exports and enums
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│ ├── base_effect.rs # Basic adjustments (6 effects)
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│ ├── blur_effect.rs # Blur operations (3 effects)
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│ ├── filter_effect.rs # Color filters (5 effects)
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│ ├── stylized_effect.rs # Artistic effects (5 effects)
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│ ├── preset_filter.rs # Preset filters (15 effects)
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│ └── monochrome_effect.rs # Monochrome effects (5 effects)
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└── examples/ # 23 example programs
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```
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## Dependencies
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- `image` - Core image loading/saving
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- `imageproc` - Median filtering
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- `thiserror` - Error handling
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- `derivative` - Default implementations
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- `derive_setters` - Builder pattern generation
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## Testing
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All 38 effects have been tested with real images:
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- ✅ Tested with 1080P (1920x1080) images
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- ✅ No buffer size mismatches
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- ✅ Consistent behavior across different image sizes
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- ✅ All 23 examples run successfully

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