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Small clean

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Kyant0 committed 2025-09-16 11:16:49 +08:00
1 parent 8785ad08ce
commit 73bcce5cd8
4 files changed
+72 -55
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backdrop/src/main/java/com/kyant/backdrop/BackdropEffectScope.kt
-18
View File
@@ -4,7 +4,6 @@ import android.graphics.RenderEffect
import android.graphics.RuntimeShader
import android.os.Build
import androidx.annotation.RequiresApi
import androidx.compose.foundation.shape.CornerBasedShape
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableFloatStateOf
import androidx.compose.runtime.mutableStateOf
@@ -25,23 +24,6 @@ interface BackdropEffectScope : Density {
var renderEffect: RenderEffect?
val cornerRadii: FloatArray
get() {
val shape = shape
require(shape is CornerBasedShape) { "Only CornerBasedShape is supported." }
val isLtr = layoutDirection == LayoutDirection.Ltr
return floatArrayOf(
if (isLtr) shape.topStart.toPx(size, this)
else shape.topEnd.toPx(size, this),
if (isLtr) shape.topEnd.toPx(size, this)
else shape.topStart.toPx(size, this),
if (isLtr) shape.bottomEnd.toPx(size, this)
else shape.bottomStart.toPx(size, this),
if (isLtr) shape.bottomStart.toPx(size, this)
else shape.bottomEnd.toPx(size, this)
)
}
@RequiresApi(Build.VERSION_CODES.TIRAMISU)
fun obtainRuntimeShader(key: String, string: String): RuntimeShader
}
backdrop/src/main/java/com/kyant/backdrop/BackdropShapeProvider.kt
+1 -3
View File
@@ -15,9 +15,7 @@ internal interface BackdropShapeProvider {
}
@Immutable
internal class CachedBackdropShapeProvider(
val shapeProvider: () -> Shape
) : BackdropShapeProvider {
internal class CachedBackdropShapeProvider(val shapeProvider: () -> Shape) : BackdropShapeProvider {
private var _outline: Outline? = null
private var _size: Size = Size.Unspecified
backdrop/src/main/java/com/kyant/backdrop/ContentBackdrop.kt → backdrop/src/main/java/com/kyant/backdrop/ContentBackdropModifier.kt
View File
File renamed without changes.
backdrop/src/main/java/com/kyant/backdrop/effects/Lens.kt
+71 -34
View File
@@ -2,6 +2,8 @@ package com.kyant.backdrop.effects
import android.graphics.RenderEffect
import android.os.Build
import androidx.compose.foundation.shape.CornerBasedShape
import androidx.compose.ui.unit.LayoutDirection
import com.kyant.backdrop.BackdropEffectScope
import com.kyant.backdrop.DispersionShaderString
import com.kyant.backdrop.RefractionShaderString
@@ -14,15 +16,21 @@ fun BackdropEffectScope.refraction(
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) return
if (height <= 0f || amount <= 0f) return
val shader = obtainRuntimeShader("Refraction", RefractionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("refractionHeight", height)
setFloatUniform("refractionAmount", -amount)
setFloatUniform("depthEffect", if (hasDepthEffect) 1f else 0f)
}
val cornerRadii = cornerRadii
val effect =
if (cornerRadii != null) {
val shader = obtainRuntimeShader("Refraction", RefractionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("refractionHeight", height)
setFloatUniform("refractionAmount", -amount)
setFloatUniform("depthEffect", if (hasDepthEffect) 1f else 0f)
}
RenderEffect.createRuntimeShaderEffect(shader, "image")
} else {
throwUnsupportedSDFException()
}
val effect = RenderEffect.createRuntimeShaderEffect(shader, "image")
effect(effect)
}
@@ -33,14 +41,19 @@ fun BackdropEffectScope.dispersion(
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) return
if (height <= 0f || amount <= 0f) return
val shader = obtainRuntimeShader("Dispersion", DispersionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("dispersionHeight", height)
setFloatUniform("dispersionAmount", amount)
}
val effect = RenderEffect.createRuntimeShaderEffect(shader, "image")
val cornerRadii = cornerRadii
val effect =
if (cornerRadii != null) {
val shader = obtainRuntimeShader("Dispersion", DispersionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("dispersionHeight", height)
setFloatUniform("dispersionAmount", amount)
}
RenderEffect.createRuntimeShaderEffect(shader, "image")
} else {
throwUnsupportedSDFException()
}
effect(effect)
}
@@ -54,24 +67,48 @@ fun BackdropEffectScope.refractionWithDispersion(
if (height <= 0f || amount <= 0f) return
val cornerRadii = cornerRadii
val effect =
if (cornerRadii != null) {
val refractionShader = obtainRuntimeShader("Refraction", RefractionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("refractionHeight", height)
setFloatUniform("refractionAmount", -amount)
setFloatUniform("depthEffect", if (hasDepthEffect) 1f else 0f)
}
val dispersionShader = obtainRuntimeShader("Dispersion", DispersionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("dispersionHeight", height * dispersionIntensity)
setFloatUniform("dispersionAmount", amount * dispersionIntensity)
}
RenderEffect.createChainEffect(
RenderEffect.createRuntimeShaderEffect(dispersionShader, "image"),
RenderEffect.createRuntimeShaderEffect(refractionShader, "image")
)
} else {
throwUnsupportedSDFException()
}
val refractionShader = obtainRuntimeShader("Refraction", RefractionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("refractionHeight", height)
setFloatUniform("refractionAmount", -amount)
setFloatUniform("depthEffect", if (hasDepthEffect) 1f else 0f)
}
val dispersionShader = obtainRuntimeShader("Dispersion", DispersionShaderString).apply {
setFloatUniform("size", size.width, size.height)
setFloatUniform("cornerRadii", cornerRadii)
setFloatUniform("dispersionHeight", height * dispersionIntensity)
setFloatUniform("dispersionAmount", amount * dispersionIntensity)
}
val effect = RenderEffect.createChainEffect(
RenderEffect.createRuntimeShaderEffect(dispersionShader, "image"),
RenderEffect.createRuntimeShaderEffect(refractionShader, "image")
)
effect(effect)
}
private val BackdropEffectScope.cornerRadii: FloatArray?
get() {
val shape = shape as? CornerBasedShape ?: return null
val isLtr = layoutDirection == LayoutDirection.Ltr
return floatArrayOf(
if (isLtr) shape.topStart.toPx(size, this)
else shape.topEnd.toPx(size, this),
if (isLtr) shape.topEnd.toPx(size, this)
else shape.topStart.toPx(size, this),
if (isLtr) shape.bottomEnd.toPx(size, this)
else shape.bottomStart.toPx(size, this),
if (isLtr) shape.bottomStart.toPx(size, this)
else shape.bottomEnd.toPx(size, this)
)
}
private fun throwUnsupportedSDFException(): Nothing {
throw UnsupportedOperationException("Only CornerBasedShape is supported in lens effects.")
}