Added ive reader/writer - from Rune Schmidt Jensen/Michael Gronager
This commit is contained in:
Robert Osfield
252
src/osgPlugins/ive/DataOutputStream.cpp
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252
src/osgPlugins/ive/DataOutputStream.cpp
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/**********************************************************************
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*
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* FILE: DataOutputStream.cpp
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*
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* DESCRIPTION: Implements methods to write simpel datatypes to an
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* output stream.
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*
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* CREATED BY: Rune Schmidt Jensen
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*
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* HISTORY: Created 11.03.2003
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*
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* Copyright 2003 VR-C
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**********************************************************************/
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#include "DataOutputStream.h"
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#include "Exception.h"
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#include "StateSet.h"
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using namespace ive;
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DataOutputStream::DataOutputStream(std::ostream * ostream){
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_includeImageData= true;
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_ostream = ostream;
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if(!_ostream)
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throw Exception("DataOutputStream::DataOutputStream(): null pointer exception in argument.");
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writeInt(VERSION);
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}
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DataOutputStream::~DataOutputStream(){}
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void DataOutputStream::writeBool(bool b){
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_ostream->write((char*)&b, BOOLSIZE);
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}
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void DataOutputStream::writeChar(char c){
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_ostream->write(&c, CHARSIZE);
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}
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void DataOutputStream::writeUShort(unsigned short s){
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_ostream->write((char*)&s, SHORTSIZE);
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}
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void DataOutputStream::writeInt(int i){
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_ostream->write((char*)&i, INTSIZE);
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}
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void DataOutputStream::writeFloat(float f){
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_ostream->write((char*)&f, FLOATSIZE);
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}
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void DataOutputStream::writeLong(long l){
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_ostream->write((char*)&l, LONGSIZE);
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}
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void DataOutputStream::writeDouble(double d){
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_ostream->write((char*)&d, DOUBLESIZE);
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}
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void DataOutputStream::writeString(std::string s){
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writeInt(s.size());
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_ostream->write(s.c_str(), s.size());
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}
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void DataOutputStream::writeCharArray(char* data, int size){
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_ostream->write(data, size);
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}
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void DataOutputStream::writeVec2(osg::Vec2 v){
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writeFloat(v.y());
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writeFloat(v.x());
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}
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void DataOutputStream::writeVec3(osg::Vec3 v){
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writeFloat(v.z());
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writeFloat(v.y());
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writeFloat(v.x());
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}
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void DataOutputStream::writeVec4(osg::Vec4 v){
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writeFloat(v.w());
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writeFloat(v.z());
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writeFloat(v.y());
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writeFloat(v.x());
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}
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void DataOutputStream::writeUByte4(osg::UByte4 v){
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writeChar(v.a());
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writeChar(v.b());
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writeChar(v.g());
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writeChar(v.r());
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}
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void DataOutputStream::writeQuat(osg::Quat q){
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writeFloat(q.w());
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writeFloat(q.z());
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writeFloat(q.y());
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writeFloat(q.x());
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}
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void DataOutputStream::writeStateSet(osg::StateSet* stateset){
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// If stateset is already in list we do not write it again.
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// We just writes its unique ID.
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for(StateSetList::iterator itr=_statesetList.begin();
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itr!=_statesetList.end(); ++itr){
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if((*itr) == (int)stateset){
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writeInt((*itr));
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return;
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}
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}
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// StateSet is not in list.
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// We write its unique ID,
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writeInt((int)stateset);
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// add it to the stateset list,
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_statesetList.push_back((int)stateset);
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// and write it to stream.
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((ive::StateSet*)(stateset))->write(this);
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}
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void DataOutputStream::writeBinding(osg::Geometry::AttributeBinding b){
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switch(b){
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case osg::Geometry::BIND_OFF: writeChar((char) 0); break;
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case osg::Geometry::BIND_OVERALL: writeChar((char) 1); break;
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case osg::Geometry::BIND_PER_PRIMITIVE: writeChar((char) 2); break;
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case osg::Geometry::BIND_PER_PRIMITIVE_SET: writeChar((char) 3); break;
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case osg::Geometry::BIND_PER_VERTEX: writeChar((char) 4); break;
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default: throw Exception("Unknown binding in DataOutputStream::writeBinding()");
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}
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}
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void DataOutputStream::writeArray(osg::Array* a){
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switch(a->getType()){
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case osg::Array::IntArrayType:
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writeChar((char)0);
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writeIntArray(static_cast<osg::IntArray*>(a));
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break;
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case osg::Array::UByteArrayType:
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writeChar((char)1);
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writeUByteArray(static_cast<osg::UByteArray*>(a));
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break;
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case osg::Array::UShortArrayType:
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writeChar((char)2);
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writeUShortArray(static_cast<osg::UShortArray*>(a));
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break;
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case osg::Array::UIntArrayType:
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writeChar((char)3);
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writeUIntArray(static_cast<osg::UIntArray*>(a));
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break;
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case osg::Array::UByte4ArrayType:
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writeChar((char)4);
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writeUByte4Array(static_cast<osg::UByte4Array*>(a));
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break;
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case osg::Array::FloatArrayType:
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writeChar((char)5);
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writeFloatArray(static_cast<osg::FloatArray*>(a));
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break;
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case osg::Array::Vec2ArrayType:
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writeChar((char)6);
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writeVec2Array(static_cast<osg::Vec2Array*>(a));
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break;
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case osg::Array::Vec3ArrayType:
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writeChar((char)7);
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writeVec3Array(static_cast<osg::Vec3Array*>(a));
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break;
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case osg::Array::Vec4ArrayType:
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writeChar((char)8);
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writeVec4Array(static_cast<osg::Vec4Array*>(a));
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break;
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default: throw Exception("Unknown array type in DataOutputStream::writeArray()");
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}
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}
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void DataOutputStream::writeIntArray(osg::IntArray* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeInt(a->index(i));
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}
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}
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void DataOutputStream::writeUByteArray(osg::UByteArray* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeChar((*a)[i]);
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}
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}
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void DataOutputStream::writeUShortArray(osg::UShortArray* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeUShort((*a)[i]);
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}
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}
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void DataOutputStream::writeUIntArray(osg::UIntArray* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeInt((*a)[i]);
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}
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}
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void DataOutputStream::writeUByte4Array(osg::UByte4Array* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeUByte4((*a)[i]);
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}
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}
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void DataOutputStream::writeFloatArray(osg::FloatArray* a){
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int size = a->getNumElements();
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writeInt(size);
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for(int i =0; i<size ;i++){
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writeFloat((*a)[i]);
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}
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}
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void DataOutputStream::writeVec2Array(osg::Vec2Array* a){
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int size = a->size();
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writeInt(size);
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for(int i=0;i<size;i++){
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writeVec2((*a)[i]);
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}
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}
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void DataOutputStream::writeVec3Array(osg::Vec3Array* a){
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int size = a->size();
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writeInt(size);
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for(int i = 0; i < size; i++){
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writeVec3((*a)[i]);
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}
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}
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void DataOutputStream::writeVec4Array(osg::Vec4Array* a){
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int size = a->size();
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writeInt(size);
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for(int i=0;i<size;i++){
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writeVec4((*a)[i]);
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}
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}
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void DataOutputStream::writeMatrix(osg::Matrix mat){
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float* p = mat.ptr();
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for(int i=0;i<16;i++){
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writeFloat(p[i]);
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}
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}
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