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/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <img_utils/EndianUtils.h>
namespace android {
namespace img_utils {
EndianOutput::EndianOutput(Output* out, Endianness end)
: mOffset(0), mOutput(out), mEndian(end) {}
EndianOutput::~EndianOutput() {}
status_t EndianOutput::open() {
mOffset = 0;
return mOutput->open();
}
status_t EndianOutput::close() {
return mOutput->close();
}
void EndianOutput::setEndianness(Endianness end) {
mEndian = end;
}
uint32_t EndianOutput::getCurrentOffset() const {
return mOffset;
}
Endianness EndianOutput::getEndianness() const {
return mEndian;
}
status_t EndianOutput::write(const uint8_t* buf, size_t offset, size_t count) {
status_t res = OK;
if((res = mOutput->write(buf, offset, count)) == OK) {
mOffset += count;
}
return res;
}
status_t EndianOutput::write(const int8_t* buf, size_t offset, size_t count) {
return write(reinterpret_cast<const uint8_t*>(buf), offset, count);
}
#define DEFINE_WRITE(_type_) \
status_t EndianOutput::write(const _type_* buf, size_t offset, size_t count) { \
return writeHelper<_type_>(buf, offset, count); \
}
DEFINE_WRITE(uint16_t)
DEFINE_WRITE(int16_t)
DEFINE_WRITE(uint32_t)
DEFINE_WRITE(int32_t)
DEFINE_WRITE(uint64_t)
DEFINE_WRITE(int64_t)
status_t EndianOutput::write(const float* buf, size_t offset, size_t count) {
assert(sizeof(float) == sizeof(uint32_t));
return writeHelper<uint32_t>(reinterpret_cast<const uint32_t*>(buf), offset, count);
}
status_t EndianOutput::write(const double* buf, size_t offset, size_t count) {
assert(sizeof(double) == sizeof(uint64_t));
return writeHelper<uint64_t>(reinterpret_cast<const uint64_t*>(buf), offset, count);
}
} /*namespace img_utils*/
} /*namespace android*/
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