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💡 Feature Proposals for Post-1.0.0 Releases #4

@dereuromark

Description

@dereuromark

Following the upcoming 1.0.0 stable release, I'd like to propose several features that would enhance the image processor.

🎯 Image Processing Enhancements

1. Smart Image Optimization

Why: Reduce file sizes while maintaining quality

Features:

  • Auto-format selection - Serve WebP/AVIF to supporting browsers, fallback to JPEG/PNG
  • Smart compression - Adjust quality based on image content (photos vs graphics)
  • Perceptual quality - Target file size or visual quality instead of fixed percentage
  • Format conversion - Automatic best format selection

Example:

$processor->optimize($file, [
    'formats' => ['avif', 'webp', 'jpeg'], // Generate all, serve best
    'quality' => 'perceptual:85', // Perceptual quality
    'target_size' => '200KB', // Or target file size
]);

2. Responsive Image Generation

Why: Support modern responsive images

Features:

  • Multiple sizes - Generate all sizes at once
  • srcset generation - Auto-generate srcset attributes
  • Art direction - Different crops for different screen sizes
  • LQIP - Low Quality Image Placeholders for progressive loading

Example:

$responsive = $processor->responsive($file, [
    'sizes' => [
        'mobile' => ['width' => 320, 'crop' => 'center'],
        'tablet' => ['width' => 768, 'crop' => 'center'],
        'desktop' => ['width' => 1920, 'crop' => 'top'],
    ],
    'formats' => ['webp', 'jpeg'],
    'placeholder' => true, // Generate LQIP
]);

// Returns srcset-ready data
// $responsive->srcset() => 'image-320.webp 320w, image-768.webp 768w, ...'

3. Advanced Watermarking

Why: Protect images and brand content

Features:

  • Position control (corner, center, tiled)
  • Opacity control
  • Dynamic text watermarks
  • Image-based watermarks
  • Adaptive watermarks (size based on image)

Example:

$processor->watermark($file, [
    'type' => 'image',
    'source' => 'logo.png',
    'position' => 'bottom-right',
    'margin' => 20,
    'opacity' => 0.7,
    'adaptive_size' => true, // Scale watermark to image
]);

$processor->watermark($file, [
    'type' => 'text',
    'text' => '© 2025 Company Name',
    'font' => 'Arial',
    'size' => 24,
    'color' => '#ffffff',
    'position' => 'bottom-center',
]);

4. Smart Cropping

Why: Intelligently crop images to important areas

Features:

  • Face detection - Crop centering on faces
  • Subject detection - ML-based important area detection
  • Entropy-based - Crop to most detailed areas
  • Custom focal points - Manual focal point specification

Example:

$processor->smartCrop($file, 800, 600, [
    'method' => 'face-detection', // or 'subject', 'entropy', 'manual'
    'focal_point' => ['x' => 0.3, 'y' => 0.4], // If manual
]);

5. EXIF Handling

Why: Manage image metadata properly

Features:

  • Auto-rotation based on EXIF orientation
  • Strip sensitive EXIF data
  • Preserve specific EXIF fields
  • Geo-location extraction
  • Camera info extraction

Example:

$processor->process($file, [
    'exif' => [
        'auto_rotate' => true,
        'strip' => true, // Remove all EXIF
        'preserve' => ['Copyright', 'Artist'], // Except these
    ],
]);

// Or extract specific data
$exif = $processor->extractExif($file);
// ['camera' => 'Canon EOS R5', 'iso' => 100, 'location' => [...]]

6. Filter Pipeline

Why: Apply multiple effects easily

Features:

  • Brightness/Contrast adjustments
  • Saturation/Vibrance
  • Blur/Sharpen
  • Vintage/Instagram-style filters
  • Custom filter chains

Example:

$processor->applyFilters($file, [
    ['brightness', 10],
    ['contrast', 5],
    ['sharpen', 15],
    ['vignette', 0.3],
]);

// Or use preset filters
$processor->applyFilter($file, 'vintage');
$processor->applyFilter($file, 'grayscale');

7. Batch Processing

Why: Process multiple images efficiently

Features:

  • Process multiple images at once
  • Parallel processing support
  • Progress callbacks
  • Error handling for batch operations

Example:

$processor->batch([$file1, $file2, $file3], [
    'operations' => [
        'resize' => ['width' => 800],
        'optimize' => ['quality' => 85],
    ],
    'parallel' => true,
    'on_progress' => fn($current, $total) => echo "$current/$total\n",
]);

8. Format-Specific Features

WebP/AVIF Support

$processor->convert($file, 'webp', [
    'quality' => 85,
    'lossless' => false,
]);

$processor->convert($file, 'avif', [
    'quality' => 80,
    'speed' => 6, // AVIF encoding speed (0-8)
]);

PNG Optimization

$processor->optimize($file, [
    'format' => 'png',
    'compression' => 9,
    'strip' => true,
    'quantize' => 256, // Color palette quantization
]);

9. Image Analysis

Why: Extract useful information from images

Features:

  • Dominant color extraction
  • Image complexity analysis
  • Quality assessment
  • Blur detection
  • Face/object counting

Example:

$analysis = $processor->analyze($file);
// [
//     'dominant_colors' => ['#FF5733', '#33FF57', '#3357FF'],
//     'complexity' => 'high', // high/medium/low
//     'blur_score' => 0.12, // 0-1, lower is sharper
//     'faces_detected' => 3,
//     'dimensions' => ['width' => 1920, 'height' => 1080],
// ]

10. Progressive Enhancement

Why: Better UX during image loading

Features:

  • Progressive JPEG encoding
  • LQIP generation (Low Quality Image Placeholder)
  • Blur-up placeholders
  • SVG trace placeholders

Example:

$lqip = $processor->generateLQIP($file, [
    'method' => 'blur', // or 'pixelated', 'svg-trace'
    'size' => 20, // Very small size
    'blur' => 10,
]);

// Returns base64-encoded tiny image for inline embedding
// <img src="data:image/jpeg;base64,..." />

🛠️ Technical Improvements

11. Better Error Handling

  • Specific exception types
  • Detailed error context
  • Fallback strategies
try {
    $processor->process($file, $operations);
} catch (ImageCorruptedException $e) {
    // Handle corrupt image
} catch (UnsupportedFormatException $e) {
    // Handle unsupported format
}

12. Memory Management

  • Stream-based processing for large images
  • Memory limit configuration
  • Automatic scaling for large images
$processor = new ImageProcessor($manager, [
    'memory_limit' => '512M',
    'max_dimension' => 10000, // Reject images larger than this
    'auto_scale_large' => true, // Auto-scale to prevent memory issues
]);

13. Processing Queue Support

  • Queue long-running operations
  • Progress tracking
  • Retry failed operations
$job = $processor->queueProcess($file, $operations);
$status = $processor->getJobStatus($job->id);
// ['status' => 'processing', 'progress' => 45]

📊 Suggested Roadmap

1.1.0 - Essential Features

  • Smart image optimization
  • Responsive image generation
  • EXIF handling

1.2.0 - Advanced Features

  • Smart cropping
  • Advanced watermarking
  • Filter pipeline

1.3.0 - Analysis & Optimization

  • Image analysis
  • Progressive enhancement
  • Format-specific optimizations

2.0.0 - Modern Architecture

  • PHP 8.2+ requirement
  • Stream-based processing
  • Queue integration
  • Better type safety

🤔 Questions

  1. Which features are most important for your use cases?
  2. Any features missing from this list?
  3. Would you use AI-powered features (face detection, smart cropping)?
  4. Interest in video thumbnail generation support?

💬 Feedback Welcome

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