81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/**********************************************************************
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*
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* FILE: Texture2DArray.cpp
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*
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* DESCRIPTION: Read/Write osg::Texture2DArray in binary format to disk.
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*
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* CREATED BY: Wojtek Lewandowski based on TextureCubeMap ive support
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*
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* HISTORY: Created 12.02.2010
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*
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**********************************************************************/
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#include "Exception.h"
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#include "Texture2DArray.h"
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#include "Texture.h"
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#include "Image.h"
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using namespace ive;
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void Texture2DArray::write(DataOutputStream* out){
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// Write Texture2DArray's identification.
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out->writeInt(IVETEXTURE2DARRAY);
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// If the osg class is inherited by any other class we should also write this to file.
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osg::Texture* tex = dynamic_cast<osg::Texture*>(this);
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if(tex){
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((ive::Texture*)(tex))->write(out);
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}
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else
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out_THROW_EXCEPTION("Texture2DArray::write(): Could not cast this osg::Texture2DArray to an osg::Texture.");
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// Write Texture2DArray's properties.
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// Write texture size
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out->writeInt(getTextureWidth());
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out->writeInt(getTextureHeight());
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out->writeInt(getTextureDepth());
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// Write number of mipmap levels
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out->writeInt(getNumMipmapLevels());
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for( int i = 0; i < getTextureDepth(); i++ )
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{
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out->writeImage( getImage( i ) );
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}
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}
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void Texture2DArray::read(DataInputStream* in)
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{
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// Peek on Texture2DArray's identification.
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int id = in->peekInt();
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if(id == IVETEXTURE2DARRAY){
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// Read Texture2DArray's identification.
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id = in->readInt();
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// If the osg class is inherited by any other class we should also read this from file.
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osg::Texture* tex = dynamic_cast<osg::Texture*>(this);
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if(tex){
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((ive::Texture*)(tex))->read(in);
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}
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else
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in_THROW_EXCEPTION("Texture2DArray::read(): Could not cast this osg::Texture2DArray to an osg::Texture.");
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// Read Texture2DArray's properties
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// Read texture size
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int width = in->readInt();
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int height = in->readInt();
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int depth = in->readInt();
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setTextureSize(width, height, depth);
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// Read number of mipmap levels
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setNumMipmapLevels((unsigned int)in->readInt());
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for( int i = 0; i < depth; i++ )
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{
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setImage( i, in->readImage() );
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}
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}
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else{
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in_THROW_EXCEPTION("Texture2DArray::read(): Expected Texture2DArray identification.");
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}
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}
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