62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef UTILS_DEFINED
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#define UTILS_DEFINED
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#include "SkStream.h"
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#include "android_util_Binder.h"
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#include <jni.h>
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#include <utils/Asset.h>
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namespace android {
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class AssetStreamAdaptor : public SkStream {
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public:
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AssetStreamAdaptor(Asset* a) : fAsset(a) {}
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virtual bool rewind();
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virtual size_t read(void* buffer, size_t size);
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private:
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Asset* fAsset;
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};
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/** Restore the file descriptor's offset in our destructor
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*/
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class AutoFDSeek {
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public:
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AutoFDSeek(int fd) : fFD(fd) {
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fCurr = ::lseek(fd, 0, SEEK_CUR);
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}
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~AutoFDSeek() {
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if (fCurr >= 0) {
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::lseek(fFD, fCurr, SEEK_SET);
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}
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}
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private:
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int fFD;
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off_t fCurr;
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};
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jobject nullObjectReturn(const char msg[]);
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}; // namespace android
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#endif
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