Shader.kt

/*
 * Copyright (C) 2017 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.core.graphics

import android.graphics.Matrix
import android.graphics.Shader

/**
 * Wrap the specified [block] in calls to [Shader.getLocalMatrix] and [Shader.setLocalMatrix].
 */
public inline fun Shader.transform(block: Matrix.() -> Unit) {
    val matrix = Matrix()
    getLocalMatrix(matrix)
    block(matrix)
    setLocalMatrix(matrix)
}