Outline.h revision 0645128b80621edee70f8cab4afb208fe0c26bec
1b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik/* 2b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * Copyright (C) 2014 The Android Open Source Project 3b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * 4b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * Licensed under the Apache License, Version 2.0 (the "License"); 5b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * you may not use this file except in compliance with the License. 6b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * You may obtain a copy of the License at 7b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * 8b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * http://www.apache.org/licenses/LICENSE-2.0 9b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * 10b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * Unless required by applicable law or agreed to in writing, software 11b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * distributed under the License is distributed on an "AS IS" BASIS, 12b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * See the License for the specific language governing permissions and 14b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik * limitations under the License. 15b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik */ 16b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik#ifndef OUTLINE_H 17b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik#define OUTLINE_H 18b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 19b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik#include <SkPath.h> 20b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 21b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik#include "Rect.h" 22b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 23b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craiknamespace android { 24b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craiknamespace uirenderer { 25b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 26b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craikclass Outline { 27b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craikpublic: 28b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik Outline() 29b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik : mShouldClip(false) 30b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik , mType(kOutlineType_None) 31b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik , mRadius(0) {} 32b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 330f632046ddb26740aff356ef21b374521912075bChris Craik void setRoundRect(int left, int top, int right, int bottom, float radius) { 34b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mType = kOutlineType_RoundRect; 35b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mBounds.set(left, top, right, bottom); 36b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mRadius = radius; 37b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mPath.reset(); 38b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mPath.addRoundRect(SkRect::MakeLTRB(left, top, right, bottom), 39b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik radius, radius); 40b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 41b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 42b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik void setConvexPath(const SkPath* outline) { 43b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik if (!outline) { 44b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik setEmpty(); 45b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik return; 46b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 47b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mType = kOutlineType_ConvexPath; 48b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mPath = *outline; 49b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mBounds.set(outline->getBounds()); 50b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 51b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 520645128b80621edee70f8cab4afb208fe0c26becChris Craik void setEmpty() { 530645128b80621edee70f8cab4afb208fe0c26becChris Craik mType = kOutlineType_Empty; 540645128b80621edee70f8cab4afb208fe0c26becChris Craik mPath.reset(); 5561317325b7b4b4ffafd9400ab5966e8d7c67df2eChris Craik } 5661317325b7b4b4ffafd9400ab5966e8d7c67df2eChris Craik 570645128b80621edee70f8cab4afb208fe0c26becChris Craik void setNone() { 58b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mType = kOutlineType_None; 59b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mPath.reset(); 60b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 61b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 620645128b80621edee70f8cab4afb208fe0c26becChris Craik bool isEmpty() const { 630645128b80621edee70f8cab4afb208fe0c26becChris Craik return mType == kOutlineType_Empty; 640645128b80621edee70f8cab4afb208fe0c26becChris Craik } 650645128b80621edee70f8cab4afb208fe0c26becChris Craik 66b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik void setShouldClip(bool clip) { 67b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik mShouldClip = clip; 68b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 69b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 70deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool getShouldClip() const { 71deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return mShouldClip; 72deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 73deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 74b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik bool willClip() const { 75b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik // only round rect outlines can be used for clipping 76b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik return mShouldClip && (mType == kOutlineType_RoundRect); 77b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 78b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 79deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool getAsRoundRect(Rect* outRect, float* outRadius) const { 80deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik if (mType == kOutlineType_RoundRect) { 81deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik outRect->set(mBounds); 82deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik *outRadius = mRadius; 83deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return true; 84deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 85deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return false; 86deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 87deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 88d0a0b2a3140bfb1819a116413ce9d81886697a07John Reck const SkPath* getPath() const { 890645128b80621edee70f8cab4afb208fe0c26becChris Craik if (mType == kOutlineType_None || mType == kOutlineType_Empty) return NULL; 90b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 91b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik return &mPath; 92b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik } 93b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 94b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craikprivate: 95b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik enum OutlineType { 96b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik kOutlineType_None = 0, 970645128b80621edee70f8cab4afb208fe0c26becChris Craik kOutlineType_Empty = 1, 980645128b80621edee70f8cab4afb208fe0c26becChris Craik kOutlineType_ConvexPath = 2, 990645128b80621edee70f8cab4afb208fe0c26becChris Craik kOutlineType_RoundRect = 3 100b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik }; 101b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 102b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik bool mShouldClip; 103b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik OutlineType mType; 104b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik Rect mBounds; 105b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik float mRadius; 106b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik SkPath mPath; 107b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik}; 108b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 109b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik} /* namespace uirenderer */ 110b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik} /* namespace android */ 111b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik 112b49f446c98096c4790a11d9b5bc83a4e585278c9Chris Craik#endif /* OUTLINE_H */ 113