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 17 #ifndef ANDROID_GRAPHICS_PICTURE_H_ 18 #define ANDROID_GRAPHICS_PICTURE_H_ 19 20 #include "SkPicture.h" 21 #include "SkPictureRecorder.h" 22 #include "SkRefCnt.h" 23 #include "SkTemplates.h" 24 25 class SkStream; 26 class SkWStream; 27 28 namespace android { 29 30 class Canvas; 31 32 // Skia's SkPicture class has been split into an SkPictureRecorder 33 // and an SkPicture. AndroidPicture recreates the functionality 34 // of the old SkPicture interface by flip-flopping between the two 35 // new classes. 36 class Picture { 37 public: 38 explicit Picture(const Picture* src = NULL); 39 40 Canvas* beginRecording(int width, int height); 41 42 void endRecording(); 43 44 int width() const; 45 46 int height() const; 47 48 static Picture* CreateFromStream(SkStream* stream); 49 50 void serialize(SkWStream* stream) const; 51 52 void draw(Canvas* canvas); 53 54 private: 55 int mWidth; 56 int mHeight; 57 SkAutoTUnref<const SkPicture> mPicture; 58 SkAutoTDelete<SkPictureRecorder> mRecorder; 59 60 // Make a copy of a picture that is in the midst of being recorded. The 61 // resulting picture will have balanced saves and restores. 62 SkPicture* makePartialCopy() const; 63 64 void validate() const; 65 }; 66 67 }; // namespace android 68 #endif // ANDROID_GRAPHICS_PICTURE_H_ 69