| // |
| // Copyright 2020 Google Inc. |
| // |
| // 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. |
| // |
| |
| #import <UIKit/UIKit.h> |
| |
| /** |
| Block type that specifies @c GTXTestContrastCheckTestView's render logic. |
| */ |
| @class GTXTestContrastCheckTestView; |
| typedef void (^GTXTestContrastCheckTestViewRenderBlock)(GTXTestContrastCheckTestView *testView, |
| CGContextRef contextRef); |
| |
| /** |
| A view implementation for testing contrast checks. |
| */ |
| @interface GTXTestContrastCheckTestView : UIView |
| |
| /** |
| Unavailable initializers, use -initWithFrame:renderBlock: instead. |
| */ |
| - (instancetype)init NS_UNAVAILABLE; |
| - (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE; |
| |
| /** |
| Initializes a new @c GTXTestContrastCheckTestView view. |
| |
| @param frame The frame for the view. |
| @param renderBlock Render logic for the view. |
| @return A new @c GTXTestContrastCheckTestView view. |
| */ |
| - (instancetype)initWithFrame:(CGRect)frame |
| renderBlock:(GTXTestContrastCheckTestViewRenderBlock)renderBlock; |
| |
| @end |
