//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: 
//
// $NoKeywords: $
//=============================================================================//

#include "hud.h" 
#include "cbase.h" 
#include "iclientmode.h" 
#include "hud_macros.h" 
#include "vgui_controls/controls.h" 
#include "vgui/ISurface.h"
#include "vgui/IBorder.h"
#include "vgui/IScheme.h"
#include "KeyValues.h"

#include "hud_image.h"

// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"

using namespace vgui;

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
HudImagePanel::HudImagePanel(Panel *parent, const char *pElementName) : CHudElement( pElementName ), Panel(parent, pElementName)
{
	Panel *pParent = g_pClientMode->GetViewport(); 
	SetParent( pParent ); 

	SetVisible( true ); 
	SetAlpha( 255 ); 

	m_nImage = NULL;
	m_pszImageName = NULL;
	m_pszColorName = NULL;
	m_bScaleImage = false;
	m_FillColor = Color(0, 0, 0, 0);

	SetPaintBorderEnabled( false );
	SetPaintEnabled( true );
	SetPaintBackgroundEnabled( true );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
HudImagePanel::~HudImagePanel()
{
	delete [] m_pszImageName;
	delete [] m_pszColorName;
}

//-----------------------------------------------------------------------------
// Purpose: sets an image by file name
//-----------------------------------------------------------------------------
void HudImagePanel::SetImage(const char *imageName)
{
	int len = Q_strlen(imageName) + 1;
	m_pszImageName = new char[ len ];
	Q_strncpy(m_pszImageName, imageName, len );

	m_nImage = surface()->CreateNewTextureID();
	surface()->DrawSetTextureFile( m_nImage, m_pszImageName, true, true);
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void HudImagePanel::PaintBackground()
{
	int wide, tall;
	GetSize(wide, tall);

	if (m_FillColor[3] > 0)
	{
		// draw the specified fill color
		surface()->DrawSetColor(m_FillColor);
		surface()->DrawFilledRect(0, 0, wide, tall);
	}
}

void HudImagePanel::Paint()
{
	int wide, tall;
	GetSize(wide, tall);

	if (m_nImage)
	{
		surface()->DrawSetColor( Color( 255,255,255,255) );
		surface()->DrawSetTexture( m_nImage ); 
		surface()->DrawTexturedRect( 0, 0, wide, tall );
	}
}


void HudImagePanel::OnThink()
{
	BaseClass::OnThink();
}

//-----------------------------------------------------------------------------
// Purpose: set the color to fill with, if no Image is specified
//-----------------------------------------------------------------------------
void HudImagePanel::SetFillColor( Color col )
{
	m_FillColor = col;
}

//-----------------------------------------------------------------------------
// Purpose: data accessor
//-----------------------------------------------------------------------------
Color HudImagePanel::GetFillColor()
{
	return m_FillColor;
}