static void OSMemory_setShortArray(JNIEnv* env, jclass,
jint dstAddress, jshortArray src, jint offset, jint length, jboolean swap) {
jshort* dst = cast<jshort*>(dstAddress);
env->GetShortArrayRegion(src, offset, length, dst);
if (swap) {
swapShorts(dst, length);
}
}
bool
Reader::readProperty(PropertyInfo& prop)
{
size_t num = prop.size * prop.width;
size_t bytes = num * dataSize(prop.type);
char* buffer = 0;
//
// Cache the offset pointer
//
if( m_currentReadOffset == 0 )
{
// Offset can never be zero here, so it must be
// uninitialized. Set it to the real file position.
m_currentReadOffset = tell();
}
prop.offset = m_currentReadOffset;
bool readok = false;
if (prop.requested)
{
if ((buffer = (char*)data(prop, bytes)))
{
if(prop.index < m_dataOffsets.size())
{
seekTo(prop);
}
else
{
// Do we need to be somewhere else?
if(m_currentReadOffset != tell())
{
// If so, move the actual file pointer there.
seekForward(m_currentReadOffset - tell());
}
}
read(buffer, bytes);
readok = true;
}
}
// Move the 'virtual' file offset forward by the data
// size of this property, whether we read it or not.
m_currentReadOffset += bytes;
if (m_error) return false;
if (readok)
{
if (m_swapped)
{
switch (prop.type)
{
case Gto::Int:
case Gto::String:
case Gto::Float:
swapWords(buffer, num);
break;
case Gto::Short:
case Gto::Half:
swapShorts(buffer, num);
break;
case Gto::Double:
swapWords(buffer, num * 2);
break;
case Gto::Byte:
case Gto::Boolean:
break;
}
}
dataRead(prop);
}
return true;
}
bool
Reader::readProperty(PropertyInfo& prop)
{
size_t num = prop.size * elementSize(prop.dims);
size_t bytes = dataSizeInBytes(prop.type) * num;
char* buffer = 0;
//
// Cache the offset pointer
//
prop.offset = tell();
bool readok = false;
if (prop.requested)
{
if ((buffer = (char*)data(prop, bytes)))
{
read(buffer, bytes);
if (!m_error) readok = true;
}
else
{
seekForward(bytes);
}
}
else
{
seekForward(bytes);
}
if (m_error) return false;
if (readok)
{
if (m_swapped)
{
switch (prop.type)
{
case Gto::Int:
case Gto::String:
case Gto::Float:
swapWords(buffer, num);
break;
case Gto::Short:
case Gto::Half:
swapShorts(buffer, num);
break;
case Gto::Double:
swapWords(buffer, num * 2);
break;
case Gto::Byte:
case Gto::Boolean:
break;
}
}
dataRead(prop);
}
return true;
}
