Method analyzeScanline

pixelizer.js:313–348

(data, width, height, pos, isHorizontal)

    }

    analyzeScanline(data, width, height, pos, isHorizontal) {
        const segments = [];
        let currentColor = null;
        let currentLength = 0;
        
        const length = isHorizontal ? width : height;
        
        for (let i = 0; i < length; i++) {
            const pixelIndex = isHorizontal 
                ? (pos * width + i) * 4
                : (i * width + pos) * 4;
                
            const r = data[pixelIndex];
            const g = data[pixelIndex + 1];
            const b = data[pixelIndex + 2];
            const a = data[pixelIndex + 3];
            
            const colorKey = `${r},${g},${b},${a}`;
            
            if (colorKey === currentColor) {
                currentLength++;
            } else {
                if (currentLength > 0) {
                    segments.push(currentLength);
                }
                currentColor = colorKey;
                currentLength = 1;
            }
        }
        
        if (currentLength > 0) {
            segments.push(currentLength);
        }
        
        return segments;
    }

    calculateSizeStatistics(sizes) {
        if (sizes.length === 0) return { mode: 1, gcd: 1, variance: 0 };