84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* Copyright 2014 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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#include <img_utils/EndianUtils.h>
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namespace android {
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namespace img_utils {
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EndianOutput::EndianOutput(Output* out, Endianness end)
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: mOffset(0), mOutput(out), mEndian(end) {}
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EndianOutput::~EndianOutput() {}
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status_t EndianOutput::open() {
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mOffset = 0;
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return mOutput->open();
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}
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status_t EndianOutput::close() {
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return mOutput->close();
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}
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void EndianOutput::setEndianness(Endianness end) {
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mEndian = end;
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}
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uint32_t EndianOutput::getCurrentOffset() const {
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return mOffset;
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}
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Endianness EndianOutput::getEndianness() const {
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return mEndian;
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}
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status_t EndianOutput::write(const uint8_t* buf, size_t offset, size_t count) {
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status_t res = OK;
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if((res = mOutput->write(buf, offset, count)) == OK) {
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mOffset += count;
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}
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return res;
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}
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status_t EndianOutput::write(const int8_t* buf, size_t offset, size_t count) {
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return write(reinterpret_cast<const uint8_t*>(buf), offset, count);
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}
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#define DEFINE_WRITE(_type_) \
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status_t EndianOutput::write(const _type_* buf, size_t offset, size_t count) { \
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return writeHelper<_type_>(buf, offset, count); \
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}
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DEFINE_WRITE(uint16_t)
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DEFINE_WRITE(int16_t)
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DEFINE_WRITE(uint32_t)
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DEFINE_WRITE(int32_t)
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DEFINE_WRITE(uint64_t)
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DEFINE_WRITE(int64_t)
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status_t EndianOutput::write(const float* buf, size_t offset, size_t count) {
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assert(sizeof(float) == sizeof(uint32_t));
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return writeHelper<uint32_t>(reinterpret_cast<const uint32_t*>(buf), offset, count);
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}
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status_t EndianOutput::write(const double* buf, size_t offset, size_t count) {
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assert(sizeof(double) == sizeof(uint64_t));
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return writeHelper<uint64_t>(reinterpret_cast<const uint64_t*>(buf), offset, count);
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}
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} /*namespace img_utils*/
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} /*namespace android*/
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