TraceLock: Tracing Lightboxv1.2.0

What changed

• PlatformAdded full support and optimization for iPhone Duo dual-screen hardware.
• New featureNew A4 printable coloring sheet layouts with line opacity control and AirPrint support.
• New featureAdded semi-transparent overlay camera for physical-to-digital alignment.
• New featureIntroduced high-resolution side-by-side showcase cards for artwork documentation.
• New featureAdded professional grids (Rule of Thirds, 1cm) and metric rulers.
• UXNew backlight color modes including Warm White, Green, and Amber.
• UXHardware volume button shortcut for instant unlocking.
• PerformanceOptimized instant filter switching for Comic, Sketch, and Outline effects.
• UXStandardized file export naming convention for better organization.

Original release notes

What's New in Version 1.2.0:

1. Full Support for iPhone Duo & Dual-Screen Tracing
• Fully optimized for iPhone Duo: enjoy an expansive dual-screen lightbox canvas with edge-to-edge backlight illumination.
• Tailored layout for Duo's unique safe area and side status bar — completely seamless with zero visual seams or black bars.

2. A4 Printable Coloring Sheets
• 3 layout modes: Full-page (1-Up), Split (2-Up), and 2x2 Grid (4-Up).
• Line Opacity Control (15% Faint, 35% Light, 70% Normal, 100% Full) — perfect for light outline tracing without obscuring real pencil strokes.
• Direct AirPrint and high-resolution PDF export.

3. Artwork Showcase & Alignment Camera
• Semi-transparent overlay camera to perfectly align physical drawings with digital sketches.
• Create high-res side-by-side showcase cards to document your drawing journey.

4. Professional Grids & Metric Ruler
• Rule of Thirds, 1cm physical grid, and diagonal grids for precise positioning.
• Accurate millimeter & centimeter rulers along the top and left edges.

5. Backlight Color Modes
• Cool White, Warm White, High-Contrast Green, and Amber Night Light — easier on the eyes during long tracing sessions.

6. Instant Volume Button Unlock
• Tap hardware volume buttons to unlock instantly without long-pressing.

7. Performance & Quality Improvements
• Seamless, instant filter switching for Comic, Sketch, and Outline effects.
• Clean, standardized file export naming (Date + Sequence) for effortless organizing.