commonMain.androidx.compose.material3.adaptive.layout.AnimateModifierUtils.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of adaptive-layout-desktop Show documentation

Compose Material Design Adaptive Library

The newest version!

/*
 * Copyright 2024 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.material3.adaptive.layout

import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.layout.LookaheadScope
import androidx.compose.ui.layout.Placeable
import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.IntSize
import androidx.compose.ui.unit.round

// This file is a collection of shared functions and vals among animation-relevant modifiers.

internal val InvalidIntSize = IntSize(-1, -1)

internal val InvalidOffset = IntOffset(Int.MIN_VALUE, Int.MIN_VALUE)

internal fun Placeable.PlacementScope.lookaheadOffset(lookaheadScope: LookaheadScope): IntOffset =
    with(lookaheadScope) {
        lookaheadScopeCoordinates.localLookaheadPositionOf(coordinates!!).round()
    }

internal fun Placeable.PlacementScope.convertOffsetToLookaheadCoordinates(
    offset: IntOffset,
    lookaheadScope: LookaheadScope
): IntOffset =
    with(lookaheadScope) {
        offset - lookaheadScopeCoordinates.localPositionOf(coordinates!!, Offset.Zero).round()
    }