Video Audio Track Language Dubbing Translator Tool

function processImage(originalImg, subtitleText = "Hello, welcome back to the channel. (Translated)", dubLanguage = "English (Dubbed)", platformName = "DVDRip Player", showAudioMenu = 1) {
    const canvas = document.createElement('canvas');
    
    // Capture dimensions and handle fallbacks safely
    const w = originalImg.naturalWidth || originalImg.width || 800;
    const h = originalImg.naturalHeight || originalImg.height || 600;
    
    canvas.width = w;
    canvas.height = h;
    const ctx = canvas.getContext('2d');

    // Draw the original image as a base
    ctx.drawImage(originalImg, 0, 0, w, h);

    // Calculate dynamic UI scaling strictly based on image width to keep it responsive
    const scale = Math.max(w / 1000, 0.4); 
    const barHeight = 70 * scale;
    const padding = 20 * scale;

    // Dark cinematic gradient for the video player controls background 
    const grad = ctx.createLinearGradient(0, h - barHeight * 2, 0, h);
    grad.addColorStop(0, 'rgba(0, 0, 0, 0)');
    grad.addColorStop(1, 'rgba(0, 0, 0, 0.85)');
    ctx.fillStyle = grad;
    ctx.fillRect(0, h - barHeight * 2, w, barHeight * 2);

    // Render Translator Subtitles
    if (subtitleText && subtitleText.trim() !== '') {
        const subSize = 34 * scale;
        ctx.font = `bold ${subSize}px Arial, sans-serif`;
        ctx.textAlign = 'center';
        ctx.textBaseline = 'bottom';
        const subX = w / 2;
        const subY = h - barHeight - 20 * scale;
        
        // Add thick border for readability
        ctx.lineJoin = 'round';
        ctx.lineWidth = 5 * scale;
        ctx.strokeStyle = '#000000';
        ctx.strokeText(subtitleText, subX, subY);
        
        // Fill text with yellow simulating standard film subtitle translations
        ctx.fillStyle = '#ffdf00'; 
        ctx.fillText(subtitleText, subX, subY);
    }
    
    // Audio Track Dubbing / Menu Overlay (The 'Translator Tool' settings UI)
    if (Number(showAudioMenu) === 1) {
        const menuWidth = 300 * scale;
        const menuHeight = 220 * scale;
        
        // Prevent layout break on very narrow images
        const safeMenuW = Math.min(menuWidth, w - 20);
        const menuX = Math.max(10, w - padding - safeMenuW);
        const menuY = h - barHeight - 15 * scale - menuHeight;
        
        // Draw Settings Panel
        ctx.fillStyle = 'rgba(20, 20, 20, 0.92)';
        ctx.fillRect(menuX, menuY, safeMenuW, menuHeight);
        ctx.strokeStyle = 'rgba(255, 255, 255, 0.15)';
        ctx.lineWidth = 1 * Math.max(1, scale);
        ctx.strokeRect(menuX, menuY, safeMenuW, menuHeight);

        // Header Title
        ctx.textAlign = 'left';
        ctx.textBaseline = 'top';
        ctx.font = `bold ${18 * scale}px Arial, sans-serif`;
        ctx.fillStyle = '#ffffff';
        ctx.fillText("Audio Track / Settings", menuX + 20 * scale, menuY + 20 * scale);
        
        ctx.beginPath();
        ctx.moveTo(menuX, menuY + 50 * scale);
        ctx.lineTo(menuX + safeMenuW, menuY + 50 * scale);
        ctx.stroke();

        // Audio Source Select
        ctx.font = `bold ${15 * scale}px Arial, sans-serif`;
        ctx.fillStyle = '#a1a1a1';
        ctx.fillText("Audio Channel:", menuX + 20 * scale, menuY + 65 * scale);

        ctx.font = `${15 * scale}px Arial, sans-serif`;
        ctx.fillStyle = '#ffffff';
        ctx.fillText("○ Original Audio", menuX + 20 * scale, menuY + 90 * scale);
        
        // Selected Dubbing Option
        ctx.fillStyle = '#00a8ff'; // Active highlight
        ctx.fillText("● " + dubLanguage, menuX + 20 * scale, menuY + 115 * scale);

        // Translator Tool Layer
        ctx.font = `bold ${15 * scale}px Arial, sans-serif`;
        ctx.fillStyle = '#a1a1a1';
        ctx.fillText("Video Text Translator:", menuX + 20 * scale, menuY + 155 * scale);
        
        ctx.font = `${15 * scale}px Arial, sans-serif`;
        ctx.fillStyle = '#00a8ff';
        ctx.fillText("● Auto-Trans Subtitles (On)", menuX + 20 * scale, menuY + 180 * scale);
    }

    // Bottom solid overlay for controls
    ctx.fillStyle = 'rgba(0, 0, 0, 0.7)';
    ctx.fillRect(0, h - barHeight, w, barHeight);

    // Timeline Progress Bar Track
    const progressY = h - barHeight + padding;
    ctx.fillStyle = '#444444';
    ctx.fillRect(padding, progressY, w - padding * 2, 6 * scale);
    
    // Timeline Filled Progress (Red like common video players)
    const progressPct = 0.42; 
    ctx.fillStyle = '#e50914'; 
    ctx.fillRect(padding, progressY, (w - padding * 2) * progressPct, 6 * scale);
    
    // Scrubber Knob
    ctx.beginPath();
    ctx.arc(padding + (w - padding * 2) * progressPct, progressY + 3 * scale, 8 * scale, 0, Math.PI * 2);
    ctx.fillStyle = '#e50914';
    ctx.fill();

    // Standard Player Controls Y-Offset
    const controlsY = progressY + 15 * scale;
    const playSize = 16 * scale;

    // Play icon triangle
    ctx.fillStyle = '#ffffff';
    ctx.beginPath();
    ctx.moveTo(padding, controlsY);
    ctx.lineTo(padding + playSize, controlsY + playSize / 2);
    ctx.lineTo(padding, controlsY + playSize);
    ctx.fill();

    // Timestamp
    ctx.font = `${14 * scale}px Arial, sans-serif`;
    ctx.textAlign = 'left';
    ctx.textBaseline = 'middle';
    ctx.fillStyle = '#dddddd';
    ctx.fillText("00:42:15 / 01:29:43", padding + playSize + 20 * scale, controlsY + playSize / 2);
    
    // Output right-side items (Platform flag, Volume, Settings mock layout)
    ctx.textAlign = 'right';
    const textW = ctx.measureText(platformName).width;
    
    ctx.fillStyle = '#888888';
    ctx.fillText(platformName, w - padding, controlsY + playSize / 2);
    
    ctx.font = `bold ${18 * scale}px sans-serif`;
    ctx.fillStyle = '#ffffff';
    // Settings, Audio Track Dub Icon, Volume Icon
    ctx.fillText("⚙  💬  🔊", w - padding - textW - 20 * scale, controlsY + playSize / 2);

    return canvas;
}