worldspawn/plugins/image/dds.cpp

55 lines
1.5 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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 2 of the License, or
(at your option) any later version.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dds.h"
#include <stdlib.h>
#include "ifilesystem.h"
#include "iarchive.h"
#include "idatastream.h"
#include "ddslib.h"
#include "imagelib.h"
Image *LoadDDSBuff(const byte *buffer)
{
int width, height;
ddsPF_t pixelFormat;
if (DDSGetInfo(reinterpret_cast<ddsBuffer_t *>( const_cast<byte *>( buffer )), &width, &height, &pixelFormat) ==
-1) {
return 0;
}
RGBAImage *image = new RGBAImage(width, height);
if (DDSDecompress(reinterpret_cast<ddsBuffer_t *>( const_cast<byte *>( buffer )), image->getRGBAPixels()) == -1) {
image->release();
return 0;
}
return image;
}
Image *LoadDDS(ArchiveFile &file)
{
ScopedArchiveBuffer buffer(file);
return LoadDDSBuff(buffer.buffer);
}