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Opacity filter on Android (#44454)

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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/44454

tsia

Changelog: [Internal]

Reviewed By: NickGerleman

Differential Revision: D56847475

fbshipit-source-id: bbd51e8c744914f1d2caf392996d20ab03b3fb6f
This commit is contained in:
Joe Vilches
2024-05-08 13:39:09 -07:00
committed by Facebook GitHub Bot
parent b0e746e4bb
commit 00f3867ac3
1 changed files with 17 additions and 1 deletions
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/FilterHelper.kt
+17 -1
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@@ -35,9 +35,10 @@ internal object FilterHelper {
"grayscale" -> createGrayscaleEffect(amount, chainedEffects)
"sepia" -> createSepiaEffect(amount, chainedEffects)
"saturate" -> createSaturateEffect(amount, chainedEffects)
"hue-rotate" -> createHueRotateEffect(amount, chainedEffects)
"hueRotate" -> createHueRotateEffect(amount, chainedEffects)
"invert" -> createInvertEffect(amount, chainedEffects)
"blur" -> createBlurEffect(amount, chainedEffects)
"opacity" -> createOpacityEffect(amount, chainedEffects)
else -> throw IllegalArgumentException("Invalid filter name: $filterName")
}
}
@@ -63,6 +64,7 @@ internal object FilterHelper {
"saturate" -> createSaturateColorMatrix(amount)
"hueRotate" -> createHueRotateColorMatrix(amount)
"invert" -> createInvertColorMatrix(amount)
"opacity" -> createOpacityColorMatrix(amount)
else -> throw IllegalArgumentException("Invalid color matrix filter: $filterName")
}
@@ -117,6 +119,20 @@ internal object FilterHelper {
return matrix
}
// https://www.w3.org/TR/filter-effects-1/#opacityEquivalent
public fun createOpacityEffect(
amount: Float,
chainedEffects: RenderEffect? = null
): RenderEffect {
return createColorMatrixEffect(createOpacityColorMatrix(amount), chainedEffects)
}
public fun createOpacityColorMatrix(amount: Float): ColorMatrix {
val matrix = ColorMatrix()
matrix.setScale(1f, 1f, 1f, amount)
return matrix
}
// https://www.w3.org/TR/filter-effects-1/#contrastEquivalent
public fun createContrastEffect(
amount: Float,