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79 lines
1.6 KiB
C++
79 lines
1.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "BitmapImagePanel.h"
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#include <vgui/ISurface.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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using namespace vgui;
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CBitmapImagePanel::CBitmapImagePanel( Panel *parent, char const *panelName,
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char const *filename /*= NULL*/ ) : Panel( parent, panelName )
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{
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m_szTexture[ 0 ] = 0;
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m_bUploaded = false;
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m_nTextureId = -1;
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SetBounds( 0, 0, 100, 100 );
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if ( filename && filename[ 0 ] )
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{
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Q_strncpy( m_szTexture, filename, sizeof( m_szTexture ) );
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}
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}
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void CBitmapImagePanel::PaintBackground()
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{
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if (!m_szTexture[0])
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return;
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if ( !m_bUploaded )
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forceUpload();
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int w, h;
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GetSize( w, h );
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surface()->DrawSetColor( Color( 255, 255, 255, 255 ) );
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surface()->DrawSetTexture( m_nTextureId );
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surface()->DrawTexturedRect( 0, 0, w, h );
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}
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void CBitmapImagePanel::setTexture( char const *filename )
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{
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Q_strncpy( m_szTexture, filename, sizeof( m_szTexture ) );
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if ( m_bUploaded )
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{
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forceReload();
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}
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else
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{
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forceUpload();
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}
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}
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void CBitmapImagePanel::forceUpload()
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{
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if ( !m_szTexture[ 0 ] )
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return;
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m_bUploaded = true;
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m_nTextureId = surface()->CreateNewTextureID();
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surface()->DrawSetTextureFile( m_nTextureId, m_szTexture, false, true);
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}
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void CBitmapImagePanel::forceReload( void )
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{
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if ( !m_bUploaded )
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return;
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// Force texture to re-upload to video card
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surface()->DrawSetTextureFile( m_nTextureId, m_szTexture, false, true);
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}
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