void ArrayReferenceTest::voidConversion() {
int a[] = {3, 4, 7, 12, 0, -15};
/** @todo C++14: test that all the operations are really constexpr (C++11 doesn't allow void conversions IMHO) */
/* void reference to compile-time array */
Containers::ArrayReference<const void> b = a;
CORRADE_VERIFY(b == a);
CORRADE_COMPARE(b.size(), 6*sizeof(int));
/* void reference to runtime array */
Containers::ArrayReference<const void> c = {a, 6};
CORRADE_VERIFY(c == a);
CORRADE_COMPARE(c.size(), 6*sizeof(int));
/* void reference to Array */
Containers::Array<int> d(6);
Containers::ArrayReference<const void> e = d;
CORRADE_VERIFY(e == d);
CORRADE_COMPARE(e.size(), d.size()*sizeof(int));
/* void reference to ArrayReference */
Containers::ArrayReference<int> f = a;
Containers::ArrayReference<const void> g = f;
CORRADE_VERIFY(g == f);
CORRADE_COMPARE(g.size(), f.size()*sizeof(int));
}
bool Directory::write(const std::string& filename, const Containers::ArrayReference<const void> data) {
std::ofstream file(filename, std::ofstream::binary);
if(!file) return false;
file.write(reinterpret_cast<const char*>(data.data()), data.size());
return true;
}
void doOpenData(Containers::ArrayReference<const unsigned char> data) override {
opened = (data.size() == 1 && data[0] == 0xa5);
}
void WavImporter::doOpenData(Containers::ArrayReference<const unsigned char> data) {
/* Check file size */
if(data.size() < sizeof(WavHeader)) {
Error() << "Audio::WavImporter::openData(): the file is too short:" << data.size() << "bytes";
return;
}
/* Get header contents and fix endianness */
WavHeader header(*reinterpret_cast<const WavHeader*>(data.begin()));
Utility::Endianness::littleEndianInPlace(header.chunkSize,
header.subChunk1Size, header.audioFormat, header.numChannels,
header.sampleRate, header.byteRate, header.blockAlign,
header.bitsPerSample, header.subChunk2Size);
/* Check file signature */
if(std::strncmp(header.chunkId, "RIFF", 4) != 0 ||
std::strncmp(header.format, "WAVE", 4) != 0 ||
std::strncmp(header.subChunk1Id, "fmt ", 4) != 0 ||
std::strncmp(header.subChunk2Id, "data", 4) != 0) {
Error() << "Audio::WavImporter::openData(): the file signature is invalid";
return;
}
/* Check file size */
if(header.chunkSize + 8 != data.size()) {
Error() << "Audio::WavImporter::openData(): the file has improper size, expected"
<< header.chunkSize + 8 << "but got" << data.size();
return;
}
/* Check PCM format */
if(header.audioFormat != 1) {
Error() << "Audio::WavImporter::openData(): unsupported audio format" << header.audioFormat;
return;
}
/* Verify more things */
if(header.subChunk1Size != 16 ||
header.subChunk2Size + 44 != data.size() ||
header.blockAlign != header.numChannels*header.bitsPerSample/8 ||
header.byteRate != header.sampleRate*header.blockAlign) {
Error() << "Audio::WavImporter::openData(): the file is corrupted";
return;
}
/* Decide about format */
if(header.numChannels == 1 && header.bitsPerSample == 8)
_format = Buffer::Format::Mono8;
else if(header.numChannels == 1 && header.bitsPerSample == 16)
_format = Buffer::Format::Mono16;
else if(header.numChannels == 2 && header.bitsPerSample == 8)
_format = Buffer::Format::Stereo8;
else if(header.numChannels == 2 && header.bitsPerSample == 16)
_format = Buffer::Format::Stereo16;
else {
Error() << "Audio::WavImporter::openData(): unsupported channel count"
<< header.numChannels << "with" << header.bitsPerSample
<< "bits per sample";
return;
}
/* Save frequency */
_frequency = header.sampleRate;
/** @todo Convert the data from little endian too */
CORRADE_INTERNAL_ASSERT(!Utility::Endianness::isBigEndian());
/* Copy the data */
_data = Containers::Array<unsigned char>(header.subChunk2Size);
std::copy(data.begin()+sizeof(WavHeader), data.end(), _data.begin());
return;
}
std::string Resource::get(const std::string& filename) const {
Containers::ArrayReference<const unsigned char> data = getRaw(filename);
return data ? std::string(reinterpret_cast<const char*>(data.begin()), data.size()) : std::string();
}
void PngImporter::doOpenData(const Containers::ArrayReference<const unsigned char> data) {
_in = new std::istringstream(std::string(reinterpret_cast<const char*>(data.begin()), data.size()));
}
void JpegImporter::doOpenData(const Containers::ArrayReference<const unsigned char> data) {
_in = Containers::Array<unsigned char>(data.size());
std::copy(data.begin(), data.end(), _in.begin());
}
void StbImageImporter::doOpenData(const Containers::ArrayReference<const char> data) {
_in = Containers::Array<unsigned char>{data.size()};
std::copy(data.begin(), data.end(), _in.data());
}