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Extending from point allows a handle to be colinear with 2 others

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#4,618 0 則留言 0 個 reaction 已指派 0 人 在 GitHub 檢視

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還沒有人認領這個 Issue。

評估

難度
3/5
預估耗時
1-2 天
新手友好度
72/100
Issue 類型
缺陷
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
rust

研究方向

Start in editor/src/messages/tool/tool_messages/pen_tool.rs at the referenced lines 1397-1401 and 834-842, and reproduce the colinear-handle case with the pen and path tools. Trace how extending by clicking places the handle when the anchor already connects to two segments. Done means the resulting handle no longer conflicts with both existing handles, while behavior for an anchor with one connected segment is considered separately.

由索引模型根據 Issue 內容生成。

描述

Reproduction

  • New document
  • Use pen tool
  • Draw path containing an anchor with colinear handles (not an end point and not broken)
  • Extend from the anchor with colinear handles by clicking (do not drag)
  • Finish the path
  • Use path tool
  • Drag the handle noting how the handle tries to be colinear with two different handles causing strange behaviour.

Video

https://github.com/user-attachments/assets/274bf06a-38c2-4ff4-9378-73171a9f6f68

Resolution

When extending from an existing point that is already connected to two segments, do not make it colinear with the existing path. If the user does not drag to place the handle then it should probably be placed on top of the anchor. When there is only one segment connected to a point, it may be desirable (?) to keep the current behaviour.

Relevant code

https://github.com/GraphiteEditor/Graphite/blob/ae321b3409113b238f1482a5ad71cbfff6929602/editor/src/messages/tool/tool_messages/pen_tool.rs#L1397-L1401

https://github.com/GraphiteEditor/Graphite/blob/ae321b3409113b238f1482a5ad71cbfff6929602/editor/src/messages/tool/tool_messages/pen_tool.rs#L834-L842

主要語言
Rust
星號
27.3k
分支
1.3k
平均合併
16 小時 57 分鐘
30 天內合併 PR
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環境準備

我們還沒有檢查這個專案的環境設定檔。先看它的 README,通用步驟見我們的新手貢獻指南。

從這裡開始

  1. 先讀完整個 Issue,再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

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