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
NativeFrame(int size)22 NativeFrame::NativeFrame(int size) : data_(NULL), size_(size), capacity_(size) {
23 data_ = capacity_ == 0 ? NULL : new uint8_t[capacity_];
24 }
25
~NativeFrame()26 NativeFrame::~NativeFrame() {
27 delete[] data_;
28 }
29
WriteData(const uint8_t * data,int offset,int size)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
SetData(uint8_t * data,int size)38 bool NativeFrame::SetData(uint8_t* data, int size) {
39 delete[] data_;
40 size_ = capacity_ = size;
41 data_ = data;
42 return true;
43 }
44
Clone() const45 NativeFrame* NativeFrame::Clone() const {
46 NativeFrame* result = new NativeFrame(size_);
47 if (data_)
48 result->WriteData(data_, 0, size_);
49 return result;
50 }
51
Resize(int newSize)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