nan
076a8c90f1
- 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.
26 lines
1.0 KiB
Markdown
26 lines
1.0 KiB
Markdown
## ADDED Requirements
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### Requirement: Mask exposes Set Extend and Subtract
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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。
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#### Scenario: User extends Alpha
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- **WHEN** 用户以 Extend 提交值为 mask 的选区到现有 alpha
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- **THEN** 结果 Alpha 为 `max(alpha, mask)`，RGB 保持不变
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#### Scenario: User uses Set or Subtract
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- **WHEN** 用户使用 Set 或 Subtract
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- **THEN** 结果 Alpha 分别为 `alpha * mask` 或 `alpha * (1-mask)`，RGB 保持不变
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### Requirement: Mask defaults to Set
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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。
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#### Scenario: New scene and operator defaults
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- **WHEN** 创建新 Scene 或未指定模式的 Mask Operator
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- **THEN** 模式默认值为 `SET`
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#### Scenario: User chooses another mode
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- **WHEN** 用户主动设置 Extend 或 Subtract 后启动 Mask
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- **THEN** 本次操作使用用户保存的模式
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