preserveAlpha
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since â¨2020å¹´1æâ©.
preserveAlpha å±æ§è¡¨ç¤º<feConvolveMatrix> å
ç´ ææ ·å¤éæ度ã
åå¼ä¸º false 表示 feConvolveMatrix å
ç´ å°åºç¨å¨å
æ¬éæ度ééçææçééãè¿æ¯é»è®¤çé项ã
åå¼ä¸º true 表示 feConvolveMatrix ä»
åºç¨å¨é¢è²ééã
使ç¨è¯´æ
| ç±»å« | None |
|---|---|
| å¼ | true | false |
| å¯åæ§ | Yes |
示ä¾
å ç´
ä¸åå
ç´ å¯ä»¥ä½¿ç¨ preserveAlpha å±æ§
è§è
| Specification |
|---|
| Filter Effects Module Level 1 # element-attrdef-feconvolvematrix-preservealpha |