v0.3.1

Fixes

• Shorten package description to meet pub.dev 60–180 character limit
• Tighten args lower bound to ^2.5.0 for ArgResults.flag()/option() compatibility
• Replace setPixelRgba with getPixel channel assignment in tests for image 4.0.0 compatibility
• Pass pub.dev downgrade analysis with zero errors

v0.3.0 — Forensic (Invisible) Watermarking

What's New

Forensic Watermark (ForensicWatermark)

• Spread-spectrum LSB embedding hides traceable data in image pixels
• DJB2-seeded PRNG with Set-based collision avoidance for deterministic pixel selection
• Majority voting across configurable redundancy copies for error correction
• Magic number (0x574D) validation for wrong-key detection
• ForensicWatermarkImage widget with background isolate processing via compute()

CLI Tools

• dart run secure_watermark:embed — embed a payload into a PNG
• dart run secure_watermark:extract — extract a hidden payload from a PNG

Example App

• Two-tab demo: Visible watermark controls + Forensic embed/extract workflow
• Interactive payload, key, and redundancy configuration

Docs

• GIF showcases for both visible and forensic features
• Badges: pub version, points, popularity, likes, license, lints
• Full API reference tables for all new classes

Dependencies

• Added image ^4.0.0 (PNG decode/encode)
• Added args ^2.4.0 (CLI argument parsing)

Tests

• 61 total tests (25 existing + 36 new)
• Covers roundtrip, unicode, redundancy variants, determinism, error handling, widget lifecycle

Full Changelog: v0.1.0...v0.3.0

v0.1.0

0.1.0 — Initial Release

• Watermark widget with Stack + IgnorePointer + RepaintBoundary overlay
• WatermarkStyle immutable config with opacity, rotation, spacing, staggered mode
• WatermarkPainter using ParagraphBuilder for efficient text tiling
• Diagonal tiling with staggered rows (brick pattern) for crop resistance
• enabled flag to toggle watermark without removing from widget tree
• Widget, painter, and style unit tests (25 passing)