| // Copyright 2016-present the Material Components for iOS authors. All Rights Reserved. |
| // |
| // 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 "CAMediaTimingFunction+MDCAnimationTiming.h" |
| |
| @implementation CAMediaTimingFunction (MDCAnimationTiming) |
| |
| + (CAMediaTimingFunction *)mdc_functionWithType:(MDCAnimationTimingFunction)type { |
| switch (type) { |
| // clang-format off |
| case MDCAnimationTimingFunctionStandard: |
| return [[CAMediaTimingFunction alloc] initWithControlPoints:(float)0.4:0:(float)0.2:1]; |
| case MDCAnimationTimingFunctionDeceleration: |
| return [[CAMediaTimingFunction alloc] initWithControlPoints:0:0:(float)0.2:1]; |
| case MDCAnimationTimingFunctionAcceleration: |
| return [[CAMediaTimingFunction alloc] initWithControlPoints:(float)0.4:0:1:1]; |
| case MDCAnimationTimingFunctionSharp: |
| return [[CAMediaTimingFunction alloc] initWithControlPoints:(float)0.4:0:(float)0.6:1]; |
| // clang-format on |
| } |
| NSAssert(NO, @"Invalid MDCAnimationTimingFunction value %i.", (int)type); |
| // Reasonable default to use in Release mode for garbage input. |
| return nil; |
| } |
| |
| @end |
