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AnyImage/openspec/changes/archive/2026-09-17-add-cutout-polyline/specs/mask-mode-options/spec.md
nan 076a8c90f1 Add specifications for two-times upscale and unified depth plane features
- Introduced the two-times upscale specification detailing requirements for unified output, fixed model presets, arbitrary dimensions, and consistent job behavior.
- Added scenarios for existing models, repeated upscale, and handling of alpha preservation.
- Created the unified depth plane specification outlining geometry modes, stable interface, and asset evaluation.
- Defined scenarios for mode switching, relief and camera preservation, and validation of delivered assets.
2026-09-17 17:19:05 +08:00

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ADDED Requirements

Requirement: Mask exposes Set Extend and Subtract

Mask MUST 按顺序提供 SET / Set、EXTEND / Extend、SUBTRACT / Subtract,枚举数值分别为 0、1、2;界面和状态文本 MUST 使用 Extend。

Scenario: User extends Alpha

  • WHEN 用户以 Extend 提交值为 mask 的选区到现有 alpha
  • THEN 结果 Alpha 为 max(alpha, mask),RGB 保持不变

Scenario: User uses Set or Subtract

  • WHEN 用户使用 Set 或 Subtract
  • THEN 结果 Alpha 分别为 alpha * mask 或 alpha * (1-mask),RGB 保持不变

Requirement: Mask defaults to Set

Scene 的 Mask Mode 和 Mask Operator 的模式属性 MUST 默认 Set,并通过同一属性定义保持一致。

Scenario: New scene and operator defaults

  • WHEN 创建新 Scene 或未指定模式的 Mask Operator
  • THEN 模式默认值为 SET

Scenario: User chooses another mode

  • WHEN 用户主动设置 Extend 或 Subtract 后启动 Mask
  • THEN 本次操作使用用户保存的模式