jimp-dev/jimp

Error in Text wrapping when in aligning to right

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#997 建立於 2021年3月26日

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 (0 留言) (0 反應) (0 負責人)JavaScript (13,218 star) (785 fork)batch import
bughelp wanted

描述

Expected Behavior

Image.print(font, x0 , y0 , { text : 'long'text ,...', alignmentX: HORIZONTAL_ALIGN_RIGHT,alignmentY : VERTICAL_ALIGN_TOP } , maxWidth, maxHeight) should see the text print from rightAxis+x0-maxWidth and wrap when rightAxis+x0 is reached

Current Behavior

The text is printing starting at maxWidth

Failure Information (for bugs)

Steps to Reproduce

Context

  • Jimp Version: 0.16.1
  • Operating System: Windows10
  • Node version: v12.19.0

Failure Logs

貢獻者指南

技術棧
javascriptnodejs
領域
backend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
basic JavaScriptfamiliarity with Jimp library
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
40
研究方向
The issue describes a bug in the `print` method of Jimp when `alignmentX` is set to `HORIZONTAL ALIGN RIGHT`. The text starts at `maxWidth` instead of wrapping from the right edge. To fix, examine the text layout logic in the `print` function, likely in `src/index.js` or similar. Look at how the `maxWidth` parameter and alignment flags interact during text wrapping. There are no linked PRs or comments, so the fix requires independent investigation of the font rendering code. Consider writing a test case that reproduces the issue before making changes.