Files
AnyImage/openspec/changes/match-polyline-gesture-interaction/proposal.md
nan 1994d38ccd Add comprehensive tests for image processing and mask functionalities
- Introduced tests for color image handling, ensuring source preservation and premultiplied alpha usage.
- Implemented tests for brush stroke operations, validating segment boundaries and brush anti-aliasing.
- Added tests for frame anti-aliasing, confirming correct rendering behavior with various alpha values and depth settings.
- Created tests for frame projection, ensuring accurate overlap calculations and half-plane clipping.
- Developed tests for image premultiplied retention, verifying behavior during loading and packing processes.
- Added undo functionality tests for mask operations, ensuring single transaction behavior during edits.
2026-09-05 21:33:11 +08:00

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Why

当前 Polyline 只有固定 8 px 起点命中圈,闭合目标出现突然、范围偏小,并且只能点击起点或按 Enter 完成。对齐 Blender Sculpt Polyline Gesture 的渐进起点提示、双击完成和十字光标,可以让闭合意图更清楚并减少精确回点操作。

What Changes

  • 至少提交三个点后,在起点周围显示随鼠标距离平滑放大的闭合提示圈。
  • 使用与 Blender Polyline Gesture 一致的 15 px 起点点击范围,并按 UI Scale 调整屏幕尺寸。
  • 支持在已有有效 Polygon 时双击左键完成 Polyline,同时保留点击起点、Enter、Backspace、RMB 和 Esc 行为。
  • Mask Tool 使用 PAINT_CROSS 光标,让 Lasso、Brush 与 Polyline 保持统一的图片区域编辑指针。
  • 更新 Polyline 状态提示、交互测试和内部文档。

Capabilities

New Capabilities

  • polyline-gesture-interaction: 定义 Polyline 的渐进闭合提示、起点命中、双击完成、键盘控制与工具光标。

Modified Capabilities

Impact

  • 影响 common/viewport.py 的 Polyline 屏幕空间提示、命中判断和 Modal 状态机。
  • 影响 operators/image_edit_tool/mask.py 的 Mask Tool 光标与状态文本。
  • 影响 Blender Add-on 交互测试与 Image Edit Tool 内部文档。
  • 不改变 SelectionPath、SelectionMask、Alpha 合成、图片尺寸、对象结构或 Server 协议,不增加依赖。