1 /* 2 * Copyright (C) 2011 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 #include "core/native_frame.h" 18 19 namespace android { 20 namespace filterfw { 21 22 NativeFrame::NativeFrame(int size) : data_(NULL), size_(size), capacity_(size) { 23 data_ = capacity_ == 0 ? NULL : new uint8_t[capacity_]; 24 } 25 26 NativeFrame::~NativeFrame() { 27 delete[] data_; 28 } 29 30 bool NativeFrame::WriteData(const uint8_t* data, int offset, int size) { 31 if (size_ >= (offset + size)) { 32 memcpy(data_ + offset, data, size); 33 return true; 34 } 35 return false; 36 } 37 38 bool NativeFrame::SetData(uint8_t* data, int size) { 39 delete[] data_; 40 size_ = capacity_ = size; 41 data_ = data; 42 return true; 43 } 44 45 NativeFrame* NativeFrame::Clone() const { 46 NativeFrame* result = new NativeFrame(size_); 47 if (data_) 48 result->WriteData(data_, 0, size_); 49 return result; 50 } 51 52 bool NativeFrame::Resize(int newSize) { 53 if (newSize <= capacity_ && newSize >= 0) { 54 size_ = newSize; 55 return true; 56 } 57 return false; 58 } 59 60 } // namespace filterfw 61 } // namespace android 62
