| /* |
| * Copyright 2019 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.ui.core |
| |
| import androidx.ui.unit.Density |
| |
| /** |
| * Receiver scope for [Draw] lambda that allows ordering the child drawing between |
| * canvas operations. Most Draw calls don't accept children, but in some rare cases |
| * a [Canvas] should be modified for the children. [DrawReceiver] is the receiver scope for |
| * the `onPaint` to give access to [drawChildren]. |
| */ |
| interface DrawReceiver : Density { |
| /** |
| * Causes child drawing operations to run during the `onPaint` lambda. |
| */ |
| fun drawChildren() |
| } |