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//************************************************************************
//
// LCDManager.cpp
//
// The CLCDManager class is the representation of a "Screen". LCD UI class
// objects are added here.
//
// Logitech LCD SDK
//
// Copyright 2005 Logitech Inc.
//************************************************************************
#include "LCDManager.h"
//************************************************************************
//
// CLCDManager::CLCDManager
//
//************************************************************************
CLCDManager::CLCDManager(void)
{
m_dwElapsedTime = 0;
m_dwExpirationTime = 0;
m_dwStartTime = 0;
}
//************************************************************************
//
// CLCDManager::~CLCDManager
//
//************************************************************************
CLCDManager::~CLCDManager(void)
{
Shutdown();
}
//************************************************************************
//
// CLCDManager::Initialize
//
//************************************************************************
HRESULT CLCDManager::Initialize(void)
{
HRESULT hRes = CLCDCollection::Initialize();
if(FAILED(hRes))
{
LCDUITRACE(_T("CLCDManager::Initialize(): failed to initialize base class.\n"));
Shutdown();
return hRes;
}
SetOrigin(0, 0);
SetSize(LGLCD_BMP_WIDTH, LGLCD_BMP_HEIGHT);
hRes = m_Gfx.Initialize(GetWidth(), GetHeight());
if(FAILED(hRes))
{
LCDUITRACE(_T("CLCDManager::Initialize(): failed to initialize graphics component.\n"));
Shutdown();
return hRes;
}
return S_OK;
}
//************************************************************************
//
// CLCDManager::Shutdown
//
//************************************************************************
void CLCDManager::Shutdown(void)
{
m_Gfx.Shutdown();
}
//************************************************************************
//
// CLCDManager::GetLCDScreen
//
//************************************************************************
lgLcdBitmap160x43x1 *CLCDManager::GetLCDScreen(void)
{
return m_Gfx.GetLCDScreen();
}
//************************************************************************
//
// CLCDManager::GetBitmapInfo
//
//************************************************************************
BITMAPINFO *CLCDManager::GetBitmapInfo(void)
{
return m_Gfx.GetBitmapInfo();
}
//************************************************************************
//
// CLCDManager::Draw
//
//************************************************************************
HRESULT CLCDManager::Draw(void)
{
LCDUIASSERT(NULL != m_Gfx.GetHDC());
LCDUIASSERT(NULL != m_Gfx.GetHBITMAP());
if((NULL == m_Gfx.GetHDC()) || (NULL == m_Gfx.GetHBITMAP()))
{
LCDUITRACE(_T("CLCDManager::Draw(): trying to draw without successful Initialize() first.!\n"));
return E_FAIL;
}
// select our bitmap into the Gfx DC
m_Gfx.BeginDraw();
m_Gfx.ClearScreen();
// invoke LCD UI Elements
OnDraw(m_Gfx);
// select it back out of it
m_Gfx.EndDraw();
return S_OK;
}
//************************************************************************
//
// CLCDManager::Update
//
//************************************************************************
void CLCDManager::Update(DWORD dwTimestamp)
{
LCDUIASSERT(m_dwStartTime != 0);
m_dwElapsedTime = (dwTimestamp - m_dwStartTime);
CLCDCollection::OnUpdate(dwTimestamp);
}
//************************************************************************
//
// CLCDManager::SetExpiration
//
//************************************************************************
void CLCDManager::SetExpiration(DWORD dwMilliseconds)
{
m_dwStartTime = GetTickCount();
m_dwElapsedTime = 0;
m_dwExpirationTime = dwMilliseconds;
}
//************************************************************************
//
// CLCDManager::HasExpired
//
//************************************************************************
BOOL CLCDManager::HasExpired(void)
{
return (!m_dwStartTime || (m_dwElapsedTime > m_dwExpirationTime));
}
//************************************************************************
//
// CLCDManager::OnLCDButtonDown
//
//************************************************************************
void CLCDManager::OnLCDButtonDown(int nButton)
{
UNREFERENCED_PARAMETER(nButton);
}
//************************************************************************
//
// CLCDManager::OnLCDButtonUp
//
//************************************************************************
void CLCDManager::OnLCDButtonUp(int nButton)
{
UNREFERENCED_PARAMETER(nButton);
}
//** end of LCDManager.cpp ***********************************************
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