fengyuanchen/compressorjs

Resize to non-proper scaling and checkmark effect

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#182 创建于 2023年12月5日

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 (2 评论) (0 反应) (0 负责人)JavaScript (4,810 star) (473 fork)batch import
help wantedquestion

描述

Describe the bug Attached the 4K photo. 3D render has a textured layer to make it look more realistic. Resizing to 1920 or so works, however if you try to do some another ratio it fails miserably.

To Reproduce Use the playground to test. Upload photo, set maxWidth to 2048 etc.

Expected behavior No checkmark effet?

Screenshots Project-4K9 (after opening click again to zoom 100%)

Problem: Screenshot 2023-12-05 171231

Additional context Interpolation problem?

贡献者指南

技术栈
javascript
领域
frontend
议题类型
bug
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
needs investigation
前置要求
basic JavaScriptcanvas API
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
20
研究方向
Investigate the resize algorithm in compressorjs, focusing on interpolation settings. Check if the issue is related to incorrect use of canvas drawImage or custom resize logic. Review comments in issue #182 for user reproduction steps. Try to reproduce with different ratios and examine the code in the src directory for any scaling bugs.
Resize to non-proper scaling and checkmark effect · fengyuanchen/compressorjs#182 | Good First Issue