commonMain.androidx.compose.ui.graphics.GraphicsLayerModifier.kt Maven / Gradle / Ivy
/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.compose.ui.graphics
import androidx.compose.runtime.Immutable
import androidx.compose.runtime.Stable
import androidx.compose.ui.Modifier
import androidx.compose.ui.layout.Measurable
import androidx.compose.ui.layout.MeasureResult
import androidx.compose.ui.layout.MeasureScope
import androidx.compose.ui.node.LayoutModifierNode
import androidx.compose.ui.node.ModifierNodeElement
import androidx.compose.ui.node.Nodes
import androidx.compose.ui.node.requireCoordinator
import androidx.compose.ui.platform.InspectorInfo
import androidx.compose.ui.platform.isDebugInspectorInfoEnabled
import androidx.compose.ui.unit.Constraints
/**
* A [Modifier.Element] that makes content draw into a draw layer. The draw layer can be invalidated
* separately from parents. A [graphicsLayer] should be used when the content updates independently
* from anything above it to minimize the invalidated content.
*
* [graphicsLayer] can also be used to apply effects to content, such as scaling ([scaleX],
* [scaleY]), rotation ([rotationX], [rotationY], [rotationZ]), opacity ([alpha]), shadow
* ([shadowElevation], [shape]), and clipping ([clip], [shape]).
*
* Note that if you provide a non-zero [shadowElevation] and if the passed [shape] is concave the
* shadow will not be drawn on Android versions less than 10.
*
* Also note that alpha values less than 1.0f will have their contents implicitly clipped to their
* bounds. This is because an intermediate compositing layer is created to render contents into
* first before being drawn into the destination with the desired alpha. This layer is sized to the
* bounds of the composable this modifier is configured on, and contents outside of these bounds are
* omitted.
*
* If the layer parameters are backed by a [androidx.compose.runtime.State] or an animated value
* prefer an overload with a lambda block on [GraphicsLayerScope] as reading a state inside the
* block will only cause the layer properties update without triggering recomposition and relayout.
*
* @sample androidx.compose.ui.samples.ChangeOpacity
* @param scaleX see [GraphicsLayerScope.scaleX]
* @param scaleY see [GraphicsLayerScope.scaleY]
* @param alpha see [GraphicsLayerScope.alpha]
* @param translationX see [GraphicsLayerScope.translationX]
* @param translationY see [GraphicsLayerScope.translationY]
* @param shadowElevation see [GraphicsLayerScope.shadowElevation]
* @param rotationX see [GraphicsLayerScope.rotationX]
* @param rotationY see [GraphicsLayerScope.rotationY]
* @param rotationZ see [GraphicsLayerScope.rotationZ]
* @param cameraDistance see [GraphicsLayerScope.cameraDistance]
* @param transformOrigin see [GraphicsLayerScope.transformOrigin]
* @param shape see [GraphicsLayerScope.shape]
* @param clip see [GraphicsLayerScope.clip]
*/
@Deprecated(
"Replace with graphicsLayer that consumes an optional RenderEffect parameter and " +
"shadow color parameters",
replaceWith =
ReplaceWith(
"Modifier.graphicsLayer(scaleX, scaleY, alpha, translationX, translationY, " +
"shadowElevation, rotationX, rotationY, rotationZ, cameraDistance, transformOrigin, " +
"shape, clip, null, DefaultShadowColor, DefaultShadowColor)",
"androidx.compose.ui.graphics"
),
level = DeprecationLevel.HIDDEN
)
@Stable
fun Modifier.graphicsLayer(
scaleX: Float = 1f,
scaleY: Float = 1f,
alpha: Float = 1f,
translationX: Float = 0f,
translationY: Float = 0f,
shadowElevation: Float = 0f,
rotationX: Float = 0f,
rotationY: Float = 0f,
rotationZ: Float = 0f,
cameraDistance: Float = DefaultCameraDistance,
transformOrigin: TransformOrigin = TransformOrigin.Center,
shape: Shape = RectangleShape,
clip: Boolean = false
) =
graphicsLayer(
scaleX = scaleX,
scaleY = scaleY,
alpha = alpha,
translationX = translationX,
translationY = translationY,
shadowElevation = shadowElevation,
rotationX = rotationX,
rotationY = rotationY,
rotationZ = rotationZ,
cameraDistance = cameraDistance,
transformOrigin = transformOrigin,
shape = shape,
clip = clip,
renderEffect = null
)
/**
* A [Modifier.Element] that makes content draw into a draw layer. The draw layer can be invalidated
* separately from parents. A [graphicsLayer] should be used when the content updates independently
* from anything above it to minimize the invalidated content.
*
* [graphicsLayer] can also be used to apply effects to content, such as scaling ([scaleX],
* [scaleY]), rotation ([rotationX], [rotationY], [rotationZ]), opacity ([alpha]), shadow
* ([shadowElevation], [shape]), clipping ([clip], [shape]), as well as altering the result of the
* layer with [RenderEffect].
*
* Note that if you provide a non-zero [shadowElevation] and if the passed [shape] is concave the
* shadow will not be drawn on Android versions less than 10.
*
* Also note that alpha values less than 1.0f will have their contents implicitly clipped to their
* bounds. This is because an intermediate compositing layer is created to render contents into
* first before being drawn into the destination with the desired alpha. This layer is sized to the
* bounds of the composable this modifier is configured on, and contents outside of these bounds are
* omitted.
*
* If the layer parameters are backed by a [androidx.compose.runtime.State] or an animated value
* prefer an overload with a lambda block on [GraphicsLayerScope] as reading a state inside the
* block will only cause the layer properties update without triggering recomposition and relayout.
*
* @sample androidx.compose.ui.samples.ChangeOpacity
* @param scaleX see [GraphicsLayerScope.scaleX]
* @param scaleY see [GraphicsLayerScope.scaleY]
* @param alpha see [GraphicsLayerScope.alpha]
* @param translationX see [GraphicsLayerScope.translationX]
* @param translationY see [GraphicsLayerScope.translationY]
* @param shadowElevation see [GraphicsLayerScope.shadowElevation]
* @param rotationX see [GraphicsLayerScope.rotationX]
* @param rotationY see [GraphicsLayerScope.rotationY]
* @param rotationZ see [GraphicsLayerScope.rotationZ]
* @param cameraDistance see [GraphicsLayerScope.cameraDistance]
* @param transformOrigin see [GraphicsLayerScope.transformOrigin]
* @param shape see [GraphicsLayerScope.shape]
* @param clip see [GraphicsLayerScope.clip]
* @param renderEffect see [GraphicsLayerScope.renderEffect]
*/
@Deprecated(
"Replace with graphicsLayer that consumes shadow color parameters",
replaceWith =
ReplaceWith(
"Modifier.graphicsLayer(scaleX, scaleY, alpha, translationX, translationY, " +
"shadowElevation, rotationX, rotationY, rotationZ, cameraDistance, transformOrigin, " +
"shape, clip, null, DefaultShadowColor, DefaultShadowColor)",
"androidx.compose.ui.graphics"
),
level = DeprecationLevel.HIDDEN
)
@Stable
fun Modifier.graphicsLayer(
scaleX: Float = 1f,
scaleY: Float = 1f,
alpha: Float = 1f,
translationX: Float = 0f,
translationY: Float = 0f,
shadowElevation: Float = 0f,
rotationX: Float = 0f,
rotationY: Float = 0f,
rotationZ: Float = 0f,
cameraDistance: Float = DefaultCameraDistance,
transformOrigin: TransformOrigin = TransformOrigin.Center,
shape: Shape = RectangleShape,
clip: Boolean = false,
renderEffect: RenderEffect? = null
) =
graphicsLayer(
scaleX = scaleX,
scaleY = scaleY,
alpha = alpha,
translationX = translationX,
translationY = translationY,
shadowElevation = shadowElevation,
ambientShadowColor = DefaultShadowColor,
spotShadowColor = DefaultShadowColor,
rotationX = rotationX,
rotationY = rotationY,
rotationZ = rotationZ,
cameraDistance = cameraDistance,
transformOrigin = transformOrigin,
shape = shape,
clip = clip,
renderEffect = renderEffect,
compositingStrategy = CompositingStrategy.Auto
)
/**
* A [Modifier.Element] that makes content draw into a draw layer. The draw layer can be invalidated
* separately from parents. A [graphicsLayer] should be used when the content updates independently
* from anything above it to minimize the invalidated content.
*
* [graphicsLayer] can also be used to apply effects to content, such as scaling ([scaleX],
* [scaleY]), rotation ([rotationX], [rotationY], [rotationZ]), opacity ([alpha]), shadow
* ([shadowElevation], [shape]), clipping ([clip], [shape]), as well as altering the result of the
* layer with [RenderEffect]. Shadow color and ambient colors can be modified by configuring the
* [spotShadowColor] and [ambientShadowColor] respectively.
*
* Note that if you provide a non-zero [shadowElevation] and if the passed [shape] is concave the
* shadow will not be drawn on Android versions less than 10.
*
* Also note that alpha values less than 1.0f will have their contents implicitly clipped to their
* bounds. This is because an intermediate compositing layer is created to render contents into
* first before being drawn into the destination with the desired alpha. This layer is sized to the
* bounds of the composable this modifier is configured on, and contents outside of these bounds are
* omitted.
*
* If the layer parameters are backed by a [androidx.compose.runtime.State] or an animated value
* prefer an overload with a lambda block on [GraphicsLayerScope] as reading a state inside the
* block will only cause the layer properties update without triggering recomposition and relayout.
*
* @sample androidx.compose.ui.samples.ChangeOpacity
* @param scaleX see [GraphicsLayerScope.scaleX]
* @param scaleY see [GraphicsLayerScope.scaleY]
* @param alpha see [GraphicsLayerScope.alpha]
* @param translationX see [GraphicsLayerScope.translationX]
* @param translationY see [GraphicsLayerScope.translationY]
* @param shadowElevation see [GraphicsLayerScope.shadowElevation]
* @param rotationX see [GraphicsLayerScope.rotationX]
* @param rotationY see [GraphicsLayerScope.rotationY]
* @param rotationZ see [GraphicsLayerScope.rotationZ]
* @param cameraDistance see [GraphicsLayerScope.cameraDistance]
* @param transformOrigin see [GraphicsLayerScope.transformOrigin]
* @param shape see [GraphicsLayerScope.shape]
* @param clip see [GraphicsLayerScope.clip]
* @param renderEffect see [GraphicsLayerScope.renderEffect]
* @param ambientShadowColor see [GraphicsLayerScope.ambientShadowColor]
* @param spotShadowColor see [GraphicsLayerScope.spotShadowColor]
*/
@Deprecated(
"Replace with graphicsLayer that consumes a compositing strategy",
replaceWith =
ReplaceWith(
"Modifier.graphicsLayer(scaleX, scaleY, alpha, translationX, translationY, " +
"shadowElevation, rotationX, rotationY, rotationZ, cameraDistance, transformOrigin, " +
"shape, clip, null, DefaultShadowColor, DefaultShadowColor, CompositingStrategy.Auto)",
"androidx.compose.ui.graphics"
),
level = DeprecationLevel.HIDDEN
)
@Stable
fun Modifier.graphicsLayer(
scaleX: Float = 1f,
scaleY: Float = 1f,
alpha: Float = 1f,
translationX: Float = 0f,
translationY: Float = 0f,
shadowElevation: Float = 0f,
rotationX: Float = 0f,
rotationY: Float = 0f,
rotationZ: Float = 0f,
cameraDistance: Float = DefaultCameraDistance,
transformOrigin: TransformOrigin = TransformOrigin.Center,
shape: Shape = RectangleShape,
clip: Boolean = false,
renderEffect: RenderEffect? = null,
ambientShadowColor: Color = DefaultShadowColor,
spotShadowColor: Color = DefaultShadowColor,
) =
graphicsLayer(
scaleX,
scaleY,
alpha,
translationX,
translationY,
shadowElevation,
rotationX,
rotationY,
rotationZ,
cameraDistance,
transformOrigin,
shape,
clip,
renderEffect,
ambientShadowColor,
spotShadowColor,
CompositingStrategy.Auto
)
/**
* A [Modifier.Element] that makes content draw into a draw layer. The draw layer can be invalidated
* separately from parents. A [graphicsLayer] should be used when the content updates independently
* from anything above it to minimize the invalidated content.
*
* [graphicsLayer] can also be used to apply effects to content, such as scaling ([scaleX],
* [scaleY]), rotation ([rotationX], [rotationY], [rotationZ]), opacity ([alpha]), shadow
* ([shadowElevation], [shape]), clipping ([clip], [shape]), as well as altering the result of the
* layer with [RenderEffect]. Shadow color and ambient colors can be modified by configuring the
* [spotShadowColor] and [ambientShadowColor] respectively.
*
* [CompositingStrategy] determines whether or not the contents of this layer are rendered into an
* offscreen buffer. This is useful in order to optimize alpha usages with
* [CompositingStrategy.ModulateAlpha] which will skip the overhead of an offscreen buffer but can
* generate different rendering results depending on whether or not the contents of the layer are
* overlapping. Similarly leveraging [CompositingStrategy.Offscreen] is useful in situations where
* creating an offscreen buffer is preferred usually in conjunction with [BlendMode] usage.
*
* Note that if you provide a non-zero [shadowElevation] and if the passed [shape] is concave the
* shadow will not be drawn on Android versions less than 10.
*
* Also note that alpha values less than 1.0f will have their contents implicitly clipped to their
* bounds unless [CompositingStrategy.ModulateAlpha] is specified. This is because an intermediate
* compositing layer is created to render contents into first before being drawn into the
* destination with the desired alpha. This layer is sized to the bounds of the composable this
* modifier is configured on, and contents outside of these bounds are omitted.
*
* If the layer parameters are backed by a [androidx.compose.runtime.State] or an animated value
* prefer an overload with a lambda block on [GraphicsLayerScope] as reading a state inside the
* block will only cause the layer properties update without triggering recomposition and relayout.
*
* @sample androidx.compose.ui.samples.ChangeOpacity
* @sample androidx.compose.ui.samples.CompositingStrategyModulateAlpha
* @param scaleX see [GraphicsLayerScope.scaleX]
* @param scaleY see [GraphicsLayerScope.scaleY]
* @param alpha see [GraphicsLayerScope.alpha]
* @param translationX see [GraphicsLayerScope.translationX]
* @param translationY see [GraphicsLayerScope.translationY]
* @param shadowElevation see [GraphicsLayerScope.shadowElevation]
* @param rotationX see [GraphicsLayerScope.rotationX]
* @param rotationY see [GraphicsLayerScope.rotationY]
* @param rotationZ see [GraphicsLayerScope.rotationZ]
* @param cameraDistance see [GraphicsLayerScope.cameraDistance]
* @param transformOrigin see [GraphicsLayerScope.transformOrigin]
* @param shape see [GraphicsLayerScope.shape]
* @param clip see [GraphicsLayerScope.clip]
* @param renderEffect see [GraphicsLayerScope.renderEffect]
* @param ambientShadowColor see [GraphicsLayerScope.ambientShadowColor]
* @param spotShadowColor see [GraphicsLayerScope.spotShadowColor]
* @param compositingStrategy see [GraphicsLayerScope.compositingStrategy]
*/
@Stable
fun Modifier.graphicsLayer(
scaleX: Float = 1f,
scaleY: Float = 1f,
alpha: Float = 1f,
translationX: Float = 0f,
translationY: Float = 0f,
shadowElevation: Float = 0f,
rotationX: Float = 0f,
rotationY: Float = 0f,
rotationZ: Float = 0f,
cameraDistance: Float = DefaultCameraDistance,
transformOrigin: TransformOrigin = TransformOrigin.Center,
shape: Shape = RectangleShape,
clip: Boolean = false,
renderEffect: RenderEffect? = null,
ambientShadowColor: Color = DefaultShadowColor,
spotShadowColor: Color = DefaultShadowColor,
compositingStrategy: CompositingStrategy = CompositingStrategy.Auto
) =
this then
GraphicsLayerElement(
scaleX,
scaleY,
alpha,
translationX,
translationY,
shadowElevation,
rotationX,
rotationY,
rotationZ,
cameraDistance,
transformOrigin,
shape,
clip,
renderEffect,
ambientShadowColor,
spotShadowColor,
compositingStrategy
)
private data class GraphicsLayerElement(
val scaleX: Float,
val scaleY: Float,
val alpha: Float,
val translationX: Float,
val translationY: Float,
val shadowElevation: Float,
val rotationX: Float,
val rotationY: Float,
val rotationZ: Float,
val cameraDistance: Float,
val transformOrigin: TransformOrigin,
val shape: Shape,
val clip: Boolean,
val renderEffect: RenderEffect?,
val ambientShadowColor: Color,
val spotShadowColor: Color,
val compositingStrategy: CompositingStrategy
) : ModifierNodeElement() {
override fun create(): SimpleGraphicsLayerModifier {
return SimpleGraphicsLayerModifier(
scaleX = scaleX,
scaleY = scaleY,
alpha = alpha,
translationX = translationX,
translationY = translationY,
shadowElevation = shadowElevation,
rotationX = rotationX,
rotationY = rotationY,
rotationZ = rotationZ,
cameraDistance = cameraDistance,
transformOrigin = transformOrigin,
shape = shape,
clip = clip,
renderEffect = renderEffect,
ambientShadowColor = ambientShadowColor,
spotShadowColor = spotShadowColor,
compositingStrategy = compositingStrategy
)
}
override fun update(node: SimpleGraphicsLayerModifier) {
node.scaleX = scaleX
node.scaleY = scaleY
node.alpha = alpha
node.translationX = translationX
node.translationY = translationY
node.shadowElevation = shadowElevation
node.rotationX = rotationX
node.rotationY = rotationY
node.rotationZ = rotationZ
node.cameraDistance = cameraDistance
node.transformOrigin = transformOrigin
node.shape = shape
node.clip = clip
node.renderEffect = renderEffect
node.ambientShadowColor = ambientShadowColor
node.spotShadowColor = spotShadowColor
node.compositingStrategy = compositingStrategy
node.invalidateLayerBlock()
}
override fun InspectorInfo.inspectableProperties() {
name = "graphicsLayer"
properties["scaleX"] = scaleX
properties["scaleY"] = scaleY
properties["alpha"] = alpha
properties["translationX"] = translationX
properties["translationY"] = translationY
properties["shadowElevation"] = shadowElevation
properties["rotationX"] = rotationX
properties["rotationY"] = rotationY
properties["rotationZ"] = rotationZ
properties["cameraDistance"] = cameraDistance
properties["transformOrigin"] = transformOrigin
properties["shape"] = shape
properties["clip"] = clip
properties["renderEffect"] = renderEffect
properties["ambientShadowColor"] = ambientShadowColor
properties["spotShadowColor"] = spotShadowColor
properties["compositingStrategy"] = compositingStrategy
}
}
/**
* A [Modifier.Node] that makes content draw into a draw layer. The draw layer can be invalidated
* separately from parents. A [graphicsLayer] should be used when the content updates independently
* from anything above it to minimize the invalidated content.
*
* [graphicsLayer] can be used to apply effects to content, such as scaling, rotation, opacity,
* shadow, and clipping. Prefer this version when you have layer properties backed by a
* [androidx.compose.runtime.State] or an animated value as reading a state inside [block] will only
* cause the layer properties update without triggering recomposition and relayout.
*
* @sample androidx.compose.ui.samples.AnimateFadeIn
* @param block block on [GraphicsLayerScope] where you define the layer properties.
*/
@Stable
fun Modifier.graphicsLayer(block: GraphicsLayerScope.() -> Unit): Modifier =
this then BlockGraphicsLayerElement(block)
/**
* Determines when to render the contents of a layer into an offscreen buffer before being drawn to
* the destination.
*/
@Immutable
@kotlin.jvm.JvmInline
value class CompositingStrategy internal constructor(@Suppress("unused") private val value: Int) {
companion object {
/**
* Rendering to an offscreen buffer will be determined automatically by the rest of the
* graphicsLayer parameters. This is the default behavior. For example, whenever an alpha
* value less than 1.0f is provided on [Modifier.graphicsLayer], a compositing layer is
* created automatically to first render the contents fully opaque, then draw this offscreen
* buffer to the destination with the corresponding alpha. This is necessary for correctness
* otherwise alpha applied to individual drawing instructions that overlap will have a
* different result than expected. Additionally usage of [RenderEffect] on the graphicsLayer
* will also render into an intermediate offscreen buffer before being drawn into the
* destination.
*/
val Auto = CompositingStrategy(0)
/**
* Rendering of content will always be rendered into an offscreen buffer first then drawn to
* the destination regardless of the other parameters configured on the graphics layer. This
* is useful for leveraging different blending algorithms for masking content. For example,
* the contents can be drawn into this graphics layer and masked out by drawing additional
* shapes with [BlendMode.Clear]
*/
val Offscreen = CompositingStrategy(1)
/**
* Modulates alpha for each of the drawing instructions recorded within the graphicsLayer.
* This avoids usage of an offscreen buffer for purposes of alpha rendering. [ModulateAlpha]
* is more efficient than [Auto] in performance in scenarios where an alpha value less than
* 1.0f is provided. Otherwise the performance is similar to that of [Auto]. However, this
* can provide different results than [Auto] if there is overlapping content within the
* layer and alpha is applied. This should only be used if the contents of the layer are
* known well in advance and are expected to not be overlapping.
*/
val ModulateAlpha = CompositingStrategy(2)
}
}
/**
* A [Modifier.Element] that adds a draw layer such that tooling can identify an element in the
* drawn image.
*/
@Stable
fun Modifier.toolingGraphicsLayer() =
if (isDebugInspectorInfoEnabled) this.then(Modifier.graphicsLayer()) else this
private data class BlockGraphicsLayerElement(val block: GraphicsLayerScope.() -> Unit) :
ModifierNodeElement() {
override fun create() = BlockGraphicsLayerModifier(block)
override fun update(node: BlockGraphicsLayerModifier) {
node.layerBlock = block
node.invalidateLayerBlock()
}
override fun InspectorInfo.inspectableProperties() {
name = "graphicsLayer"
properties["block"] = block
}
}
internal class BlockGraphicsLayerModifier(
var layerBlock: GraphicsLayerScope.() -> Unit,
) : LayoutModifierNode, Modifier.Node() {
/**
* We can skip remeasuring as we only need to rerun the placement block. we request it manually
* in the update block.
*/
override val shouldAutoInvalidate: Boolean
get() = false
fun invalidateLayerBlock() {
requireCoordinator(Nodes.Layout)
.wrapped
?.updateLayerBlock(layerBlock, forceUpdateLayerParameters = true)
}
override fun MeasureScope.measure(
measurable: Measurable,
constraints: Constraints
): MeasureResult {
val placeable = measurable.measure(constraints)
return layout(placeable.width, placeable.height) {
placeable.placeWithLayer(0, 0, layerBlock = layerBlock)
}
}
override fun toString(): String = "BlockGraphicsLayerModifier(" + "block=$layerBlock)"
}
private class SimpleGraphicsLayerModifier(
var scaleX: Float,
var scaleY: Float,
var alpha: Float,
var translationX: Float,
var translationY: Float,
var shadowElevation: Float,
var rotationX: Float,
var rotationY: Float,
var rotationZ: Float,
var cameraDistance: Float,
var transformOrigin: TransformOrigin,
var shape: Shape,
var clip: Boolean,
var renderEffect: RenderEffect?,
var ambientShadowColor: Color,
var spotShadowColor: Color,
var compositingStrategy: CompositingStrategy = CompositingStrategy.Auto
) : LayoutModifierNode, Modifier.Node() {
/**
* We can skip remeasuring as we only need to rerun the placement block. we request it manually
* in the update block.
*/
override val shouldAutoInvalidate: Boolean
get() = false
private var layerBlock: GraphicsLayerScope.() -> Unit = {
scaleX = [email protected]
scaleY = [email protected]
alpha = [email protected]
translationX = [email protected]
translationY = [email protected]
shadowElevation = [email protected]
rotationX = [email protected]
rotationY = [email protected]
rotationZ = [email protected]
cameraDistance = [email protected]
transformOrigin = [email protected]
shape = [email protected]
clip = [email protected]
renderEffect = [email protected]
ambientShadowColor = [email protected]
spotShadowColor = [email protected]
compositingStrategy = [email protected]
}
fun invalidateLayerBlock() {
requireCoordinator(Nodes.Layout)
.wrapped
?.updateLayerBlock(this.layerBlock, forceUpdateLayerParameters = true)
}
override fun MeasureScope.measure(
measurable: Measurable,
constraints: Constraints
): MeasureResult {
val placeable = measurable.measure(constraints)
return layout(placeable.width, placeable.height) {
placeable.placeWithLayer(0, 0, layerBlock = layerBlock)
}
}
// Long string concatenation causes atomicfu plugin to be slow/hang.
// See https://youtrack.jetbrains.com/issue/KT-65645/Atomicfu-plugin-compilation-hangs-on-a-long-string-concatenation
override fun toString(): String = buildString {
append("SimpleGraphicsLayerModifier(")
append("scaleX=$scaleX, ")
append("scaleY=$scaleY, ")
append("alpha = $alpha, ")
append("translationX=$translationX, ")
append("translationY=$translationY, ")
append("shadowElevation=$shadowElevation, ")
append("rotationX=$rotationX, ")
append("rotationY=$rotationY, ")
append("rotationZ=$rotationZ, ")
append("cameraDistance=$cameraDistance, ")
append("transformOrigin=$transformOrigin, ")
append("shape=$shape, ")
append("clip=$clip, ")
append("renderEffect=$renderEffect, ")
append("ambientShadowColor=$ambientShadowColor, ")
append("spotShadowColor=$spotShadowColor, ")
append("compositingStrategy=$compositingStrategy)")
}
}
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