Files
OpenSceneGraph/src/osgPlugins/ive/TextureCubeMap.cpp
2005-11-04 12:08:16 +00:00

139 lines
4.4 KiB
C++

/**********************************************************************
*
* FILE: TextureCubeMap.cpp
*
* DESCRIPTION: Read/Write osg::TextureCubeMap in binary format to disk.
*
* CREATED BY: Auto generated by iveGenerated
* and later modified by Rune Schmidt Jensen.
*
* HISTORY: Created 21.3.2003
*
* Copyright 2003 VR-C
**********************************************************************/
#include "Exception.h"
#include "TextureCubeMap.h"
#include "Texture.h"
#include "Image.h"
using namespace ive;
void TextureCubeMap::write(DataOutputStream* out){
// Write TextureCubeMap's identification.
out->writeInt(IVETEXTURECUBEMAP);
// 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("TextureCubeMap::write(): Could not cast this osg::TextureCubeMap to an osg::Texture.");
// Write TextureCubeMap's properties.
// Write texture size
out->writeInt(getTextureWidth());
out->writeInt(getTextureHeight());
// Write number of mipmap levels
out->writeInt(getNumMipmapLevels());
// Should we include images date in stream
bool includeImg = out->getIncludeImageData();
out->writeBool(includeImg);
writeImage(out,includeImg,getImage(osg::TextureCubeMap::POSITIVE_X));
writeImage(out,includeImg,getImage(osg::TextureCubeMap::NEGATIVE_X));
writeImage(out,includeImg,getImage(osg::TextureCubeMap::POSITIVE_Y));
writeImage(out,includeImg,getImage(osg::TextureCubeMap::NEGATIVE_Y));
writeImage(out,includeImg,getImage(osg::TextureCubeMap::POSITIVE_Z));
writeImage(out,includeImg,getImage(osg::TextureCubeMap::NEGATIVE_Z));
}
void TextureCubeMap::writeImage(DataOutputStream* out,bool includeImg,osg::Image* image)
{
if(includeImg)
{
// Write images if any
out->writeBool(image!=0);
if(image)
((ive::Image*)(image))->write(out);
}
else
{
if (image && !(image->getFileName().empty())){
out->writeString(image->getFileName());
}
else{
out->writeString("");
}
}
}
void TextureCubeMap::read(DataInputStream* in)
{
// Peek on TextureCubeMap's identification.
int id = in->peekInt();
if(id == IVETEXTURECUBEMAP){
// Read TextureCubeMap's identification.
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("TextureCubeMap::read(): Could not cast this osg::TextureCubeMap to an osg::Texture.");
// Read TextureCubeMap's properties
// Read texture size
int width = in->readInt();
int height = in->readInt();
setTextureSize(width, height);
// Read number of mipmap levels
setNumMipmapLevels((unsigned int)in->readInt());
// Should we read image data from stream
bool includeImg = in->readBool();
setImage(osg::TextureCubeMap::POSITIVE_X,readImage(in, includeImg));
setImage(osg::TextureCubeMap::NEGATIVE_X,readImage(in, includeImg));
setImage(osg::TextureCubeMap::POSITIVE_Y,readImage(in, includeImg));
setImage(osg::TextureCubeMap::NEGATIVE_Y,readImage(in, includeImg));
setImage(osg::TextureCubeMap::POSITIVE_Z,readImage(in, includeImg));
setImage(osg::TextureCubeMap::NEGATIVE_Z,readImage(in, includeImg));
}
else{
throw Exception("TextureCubeMap::read(): Expected TextureCubeMap identification.");
}
}
osg::Image* TextureCubeMap::readImage(DataInputStream* in, bool includeImg)
{
if(includeImg)
{
// Read image data from stream
if(in->readBool())
{
osg::Image* image = new osg::Image();
((ive::Image*)image)->read(in);
return image;
}
}
else
{
// Only read image name from stream.
std::string filename = in->readString();
if(filename.compare("")!=0)
{
osg::Image* image = in->readImage(filename);
return image;
}
}
return 0;
}