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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plTGAWriter Class Functions //
// Simple utility class for writing a plMipmap out as a TGA file //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 8.15.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "plTGAWriter.h"
#include "plMipmap.h"
#include "hsStream.h"
//// Class Statics ////////////////////////////////////////////////////////////
plTGAWriter plTGAWriter::fInstance;
//// WriteMipmap //////////////////////////////////////////////////////////////
void plTGAWriter::WriteMipmap( const char *fileName, plMipmap *mipmap )
{
hsUNIXStream stream;
int x, y;
hsRGBAColor32 pixel;
stream.Open( fileName, "wb" );
/// Write header
stream.WriteByte( 0 ); // Size of ID field
stream.WriteByte( 0 ); // Map type
stream.WriteByte( 2 ); // Type 2 image - Unmapped RGB
stream.WriteByte( 0 ); // Color map spec
stream.WriteByte( 0 ); // Color map spec
stream.WriteByte( 0 ); // Color map spec
stream.WriteByte( 0 ); // Color map spec
stream.WriteByte( 0 ); // Color map spec
stream.WriteSwap16( 0 ); // xOrigin
stream.WriteSwap16( 0 ); // yOrigin
stream.WriteSwap16( (UInt16)mipmap->GetWidth() );
stream.WriteSwap16( (UInt16)mipmap->GetHeight() );
stream.WriteByte( 24 );
stream.WriteByte( 0 );
/// Write image data (gotta do inversed, stupid TGAs...)
for( y = mipmap->GetHeight() - 1; y >= 0; y-- )
{
for( x = 0; x < mipmap->GetWidth(); x++ )
{
pixel = *( (hsRGBAColor32 *)mipmap->GetAddr32( x, y ) );
stream.WriteByte( pixel.b );
stream.WriteByte( pixel.g );
stream.WriteByte( pixel.r );
}
}
/// All done!
stream.Close();
}