source-engine/vgui2/matsys_controls/tgapreviewpanel.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

73 lines
1.8 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//===========================================================================//
#include "matsys_controls/tgapreviewpanel.h"
#include "bitmap/tgaloader.h"
#include "tier1/utlbuffer.h"
#include "filesystem.h"
using namespace vgui;
//-----------------------------------------------------------------------------
//
// TGA Preview panel
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// constructor
//-----------------------------------------------------------------------------
CTGAPreviewPanel::CTGAPreviewPanel( vgui::Panel *pParent, const char *pName ) :
BaseClass( pParent, pName )
{
}
//-----------------------------------------------------------------------------
// Sets the current TGA
//-----------------------------------------------------------------------------
void CTGAPreviewPanel::SetTGA( const char *pFullPath )
{
int nWidth, nHeight;
ImageFormat format;
float flGamma;
CUtlBuffer buf;
if ( !g_pFullFileSystem->ReadFile( pFullPath, NULL, buf ) )
{
Warning( "Can't open TGA file: %s\n", pFullPath );
return;
}
TGALoader::GetInfo( buf, &nWidth, &nHeight, &format, &flGamma );
Shutdown();
Init( nWidth, nHeight, true );
m_TGAName = pFullPath;
buf.SeekGet( CUtlBuffer::SEEK_HEAD, 0 );
if ( !TGALoader::Load( (unsigned char*)GetImageBuffer(), buf,
nWidth, nHeight, IMAGE_FORMAT_BGRA8888, flGamma, false ) )
{
Shutdown();
}
else
{
DownloadTexture();
}
}
//-----------------------------------------------------------------------------
// Gets the current TGA
//-----------------------------------------------------------------------------
const char *CTGAPreviewPanel::GetTGA() const
{
return m_TGAName;
}