1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef REVEALCLIP_H 17 #define REVEALCLIP_H 18 19 #include <SkPath.h> 20 21 #include "Rect.h" 22 23 namespace android { 24 namespace uirenderer { 25 26 class RevealClip { 27 public: 28 RevealClip() : mShouldClip(false), mX(0), mY(0), mRadius(0) {} 29 30 void set(bool shouldClip, float x, float y, float radius) { 31 mShouldClip = shouldClip; 32 mX = x; 33 mY = y; 34 mRadius = radius; 35 36 mPath.rewind(); 37 if (mShouldClip) { 38 mPath.addCircle(x, y, radius); 39 } 40 } 41 42 bool willClip() const { return mShouldClip; } 43 44 void getBounds(Rect* outBounds) const { 45 outBounds->set(mX - mRadius, mY - mRadius, mX + mRadius, mY + mRadius); 46 } 47 48 float getRadius() const { return mRadius; } 49 float getX() const { return mX; } 50 float getY() const { return mY; } 51 52 const SkPath* getPath() const { 53 if (!mShouldClip) return nullptr; 54 55 return &mPath; 56 } 57 58 private: 59 bool mShouldClip; 60 float mX; 61 float mY; 62 float mRadius; 63 SkPath mPath; 64 }; 65 66 } /* namespace uirenderer */ 67 } /* namespace android */ 68 69 #endif /* REVEALCLIP_H */ 70
