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gameui/TGAImagePanel.cpp

@@ -0,0 +1,92 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "TGAImagePanel.h"
+#include "bitmap/tgaloader.h"
+#include "vgui/ISurface.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+using namespace vgui;
+
+CTGAImagePanel::CTGAImagePanel( vgui::Panel *parent, const char *name ) : BaseClass( parent, name )
+{
+	m_iTextureID = -1;
+	m_bHasValidTexture = false;
+	m_bLoadedTexture = false;
+	m_szTGAName[0] = 0;
+
+	SetPaintBackgroundEnabled( false );
+}
+
+CTGAImagePanel::~CTGAImagePanel()
+{
+	// release the texture memory
+	if ( vgui::surface() && m_iTextureID != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_iTextureID );
+		m_iTextureID = -1;
+	}
+}
+
+void CTGAImagePanel::SetTGA( const char *filename )
+{
+	Q_snprintf( m_szTGAName, sizeof(m_szTGAName), "//MOD/%s", filename );
+}
+
+void CTGAImagePanel::SetTGANonMod( const char *filename )
+{
+	V_strcpy_safe( m_szTGAName, filename );
+}
+
+void CTGAImagePanel::Paint()
+{
+	if ( !m_bLoadedTexture )
+	{
+		m_bLoadedTexture = true;
+		// get a texture id, if we haven't already
+		if ( m_iTextureID == -1 )
+		{
+			m_iTextureID = vgui::surface()->CreateNewTextureID( true );
+			SetSize( 180, 100 );
+		}
+
+		// load the file
+		CUtlMemory<unsigned char> tga;
+#ifndef _XBOX
+		if ( TGALoader::LoadRGBA8888( m_szTGAName, tga, m_iImageWidth, m_iImageHeight ) )
+		{
+			// set the textureID
+			surface()->DrawSetTextureRGBA( m_iTextureID, tga.Base(), m_iImageWidth, m_iImageHeight, false, true );
+			m_bHasValidTexture = true;
+			// set our size to be the size of the tga
+			SetSize( m_iImageWidth, m_iImageHeight );
+		}
+		else
+#endif
+		{
+			m_bHasValidTexture = false;
+		}
+	}
+
+	// draw the image
+	int wide, tall;
+	if ( m_bHasValidTexture )
+	{
+		surface()->DrawGetTextureSize( m_iTextureID, wide, tall );
+		surface()->DrawSetTexture( m_iTextureID );
+		surface()->DrawSetColor( 255, 255, 255, 255 );
+		surface()->DrawTexturedRect( 0, 0, wide, tall );
+	}
+	else
+	{
+		// draw a black fill instead
+		wide = 180, tall = 100;
+		surface()->DrawSetColor( 0, 0, 0, 255 );
+		surface()->DrawFilledRect( 0, 0, wide, tall );
+	}
+}