/**********************************************************************
 *
 *	FILE:			Texture2D.cpp
 *
 *	DESCRIPTION:	Read/Write osg::Texture2D in binary format to disk.
 *
 *	CREATED BY:		Auto generated by iveGenerated
 *					and later modified by Rune Schmidt Jensen.
 *
 *	HISTORY:		Created 20.3.2003
 *
 *	Copyright 2003 VR-C
 **********************************************************************/

#include "Exception.h"
#include "Texture2D.h"
#include "Texture.h"
#include "Image.h"

using namespace ive;

void Texture2D::write(DataOutputStream* out){
	// Write Texture2D's identification.
	out->writeInt(IVETEXTURE2D);
	// If the osg class is inherited by any other class we should also write this to file.
	osg::Texture*  tex = dynamic_cast<osg::Texture*>(this);
	if(tex){
		((ive::Texture*)(tex))->write(out);
	}
	else
		throw Exception("Texture2D::write(): Could not cast this osg::Texture2D to an osg::Texture.");
	// Write Texture2D's properties.
	// Write image.

	// Should we include images date in stream
	bool includeImg = out->getIncludeImageData();
	out->writeBool(includeImg);

	// Include image data in stream
	if(includeImg){
		out->writeInt((int)getImage());
		if(getImage())
			((ive::Image*)getImage())->write(out);
	}
	// Only include image name in stream
	else{
		if (getImage() && !(getImage()->getFileName().empty())){
			out->writeString(getImage()->getFileName());
		}
		else{ 
			out->writeString("");
		}	
	}

}

void Texture2D::read(DataInputStream* in){
	// Read Texture2D's identification.
	int id = in->peekInt();
	if(id == IVETEXTURE2D){
		// Code to read Texture2D's properties.
		id = in->readInt();
		// If the osg class is inherited by any other class we should also read this from file.
		osg::Texture*  tex = dynamic_cast<osg::Texture*>(this);
		if(tex){
			((ive::Texture*)(tex))->read(in);
		}
		else
			throw Exception("Texture2D::read(): Could not cast this osg::Texture2D to an osg::Texture.");
		// Read image.
		
		// Should we read image data from stream
		bool includeImg = in->readBool();

		// Read image data from stream
		if(includeImg){
			if(in->readInt()){
				osg::Image* image = new osg::Image();
				((ive::Image*)image)->read(in);
				setImage(image);
			}
		}
		// Only read image name from stream.
		else{
			std::string filename = in->readString();
			if(filename.compare("")!=0){
				osg::Image* image = in->readImage(filename);
				if (image){
					setImage(image);
				}
			}
		}
	}
	else{
		throw Exception("Texture2D::read(): Expected Texture2D identification.");
	}
}