95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
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//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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//===========================================================================//
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#include "matsys_controls/tgapreviewpanel.h"
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#include "bitmap/tgaloader.h"
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#include "tier1/utlbuffer.h"
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#include "filesystem.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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using namespace vgui;
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//-----------------------------------------------------------------------------
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//
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// TGA Preview panel
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//
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// constructor
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//-----------------------------------------------------------------------------
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CTGAPreviewPanel::CTGAPreviewPanel( vgui::Panel *pParent, const char *pName ) :
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BaseClass( pParent, pName )
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{
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}
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//-----------------------------------------------------------------------------
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// Sets the current TGA
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//-----------------------------------------------------------------------------
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void CTGAPreviewPanel::SetTGA( const char *pFullPath )
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{
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int nWidth, nHeight;
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ImageFormat format;
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float flGamma;
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CUtlBuffer buf;
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if ( !g_pFullFileSystem->ReadFile( pFullPath, NULL, buf ) )
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{
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Warning( "Can't open TGA file: %s\n", pFullPath );
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return;
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}
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TGALoader::GetInfo( buf, &nWidth, &nHeight, &format, &flGamma );
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Shutdown();
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Init( nWidth, nHeight, true );
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m_TGAName = pFullPath;
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buf.SeekGet( CUtlBuffer::SEEK_HEAD, 0 );
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if ( !TGALoader::Load( (unsigned char*)GetImageBuffer(), buf,
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nWidth, nHeight, IMAGE_FORMAT_BGRA8888, flGamma, false ) )
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{
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Shutdown();
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}
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else
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{
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DownloadTexture();
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}
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Gets the current TGA
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//-----------------------------------------------------------------------------
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const char *CTGAPreviewPanel::GetTGA() const
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{
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return m_TGAName;
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}
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//-----------------------------------------------------------------------------
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// Lays out the panel
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//-----------------------------------------------------------------------------
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void CTGAPreviewPanel::PerformLayout()
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{
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BaseClass::PerformLayout();
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Rect_t paintRect;
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paintRect.x = 0;
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paintRect.y = 0;
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paintRect.width = GetImageWidth();
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paintRect.height = GetImageHeight();
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SetPaintRect( &paintRect );
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}
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