Gradient Background: Spectrum

Spectrum - Create stunning abstract wallpapers and backgrounds with this powerful mesh gradient editor. Design beautiful gradients with precise control over every aspect of your creation.
Key Features
Gradient Creation:
- Interactive mesh gradient editor with draggable control points
- Multiple gradient types: Mesh, Linear, Radial, and Conic gradients
- Adjustable mesh complexity (predefined sizes: 2x2, 3x3, 4x4, 5x5, and custom user-defined dimensions)
- Real-time color editing with an intuitive system color picker interface
- Multiple color interpolation methods (IDW, Bilinear, Nearest Neighbor, RBF, Linear RGB, Linear HSV) for smooth or distinct color transitions
- Undo functionality (up to 10 history states) for reverting changes
- Randomize gradient function for quick, serendipitous designs
Customization Options:
- Multiple aspect ratios: Square (1:1), Standard (4:3), Widescreen (16:9), and Phone Story (9:16) formats
- Precise color control (RGB) for each gradient point
- Template library with pre-designed gradient combinations (e.g., Sunset, Ocean, Neon, Forest, Cosmic, Fire, Ice, Aurora)
- Ability to reset to the current template's default state
- Quick action buttons for rapid editing workflow (e.g., add point, remove point, randomize)
Export Capabilities:
- High-resolution image export to Photos app
- Multiple resolution options: Small, Medium, and Large formats (dynamic, e.g., 1080x1080 up to 4096x4096 for square, and proportionally scaled for other ratios)
- Dynamic resolution scaling based on selected aspect ratio
- Gradient data export as JSON (includes points, mesh size, aspect ratio, interpolation method, gradient type, and export resolution) for sharing configurations
- Copy gradient settings (detailed text summary) to clipboard for easy transfer
User Experience:
- Minimizable controls interface for a distraction-free editing canvas
- Haptic feedback for key interactions (e.g., point selection, adding/removing points, template loading, undo, color changes)
- Toast notifications for non-intrusive feedback (e.g., export success, settings copied, errors)
- In-app tips for new users (Drag Point, Add Point, Tap Point)
Onboarding flow for first-time users
- Help section with guidance and information
- Favorites system to save and quickly access preferred gradients
- Ability to name and save custom mesh sizes
App & Support:
- Settings view for app-level configurations
- Contact support via native mail composer (if mail is configured) or copies support email to clipboard
Premium Features:
- Advanced export options and higher resolutions
- Extended template library access
- Additional customization tools and effects (e.g., specific color interpolation methods, Story aspect ratio, custom mesh sizes)
- Access to all gradient types and mesh complexities
Perfect for designers, artists, and anyone looking to create unique wallpapers and abstract backgrounds for their devices.
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