void ImageSourceFileRadiance::loadStream( IStreamRef stream )
{
setDataType( ImageIo::FLOAT32 );
setColorModel( ImageIo::CM_RGB );
setChannelOrder( ImageIo::RGB );
char str[200];
stream->readData( str, 10 );
if( memcmp( str, "#?RADIANCE", 10 ) )
throw ImageSourceFileRadianceException( "Invalid header" );
stream->seekRelative( 1 );
char cmd[200];
int i = 0;
char c = 0, oldc;
while( true ) {
oldc = c;
stream->read( &c );
if( c == 0xa && oldc == 0xa )
break;
cmd[i++] = c;
}
char resolution[200];
i = 0;
while( true ) {
stream->read( &c );
resolution[i++] = c;
if( c == 0xa )
break;
}
int width, height;
#if defined( CINDER_WINRT )
if( ! sscanf_s( resolution, "-Y %d +X %d", &height, &width ) )
#else
if( ! sscanf( resolution, "-Y %d +X %d", &height, &width ) )
#endif
throw ImageSourceFileRadianceException( "Unable to parse size" );
setSize( width, height );
mRgbData = std::unique_ptr<float[]>( new float[width * height * 3] );
std::unique_ptr<RgbePixel[]> scanline( new RgbePixel[width] );
// convert image
float *cols = mRgbData.get();
for( int y = height - 1; y >= 0; y-- ) {
if( ! decrunchScanline( scanline.get(), width, stream.get() ) )
break;
workOnRgbeScanline( scanline.get(), width, cols );
cols += width * 3;
}
}
void TriMesh::read( DataSourceRef dataSource )
{
IStreamRef in = dataSource->createStream();
clear();
uint8_t versionNumber;
in->read( &versionNumber );
uint32_t numVertices, numNormals, numTexCoords, numIndices;
in->readLittle( &numVertices );
in->readLittle( &numNormals );
in->readLittle( &numTexCoords );
in->readLittle( &numIndices );
for( size_t idx = 0; idx < numVertices; ++idx ) {
Vec3f v;
in->readLittle( &v.x ); in->readLittle( &v.y ); in->readLittle( &v.z );
mVertices.push_back( v );
}
for( size_t idx = 0; idx < numNormals; ++idx ) {
Vec3f v;
in->readLittle( &v.x ); in->readLittle( &v.y ); in->readLittle( &v.z );
mNormals.push_back( v );
}
for( size_t idx = 0; idx < numTexCoords; ++idx ) {
Vec2f v;
in->readLittle( &v.x ); in->readLittle( &v.y );
mTexCoords.push_back( v );
}
for( size_t idx = 0; idx < numIndices; ++idx ) {
uint32_t v;
in->readLittle( &v );
mIndices.push_back( v );
}
}
