// Reflected WM_DRAWITEM message handler.
LRESULT ClsXPMenu::OnReflectedDrawItem( LPDRAWITEMSTRUCT pdis, BOOL& bNotifyParent )
{
// Old style?
if ( m_bDrawOldStyle )
// Let the baseclass take care of rendering.
return ClsBitmapMenu::OnReflectedDrawItem( pdis, bNotifyParent );
// Menu?
if ( pdis->CtlType != ODT_MENU )
return FALSE;
// No need to bother the parent.
bNotifyParent = FALSE;
// Get the item data.
ItemData *pData = ( ItemData * )pdis->itemData;
// Wrap the DC.
ClsDC cDC( pdis->hDC );
int sDC = cDC.SaveDC();
// Render the item.
RenderItem( &cDC, pdis, pData );
// Restore DC changes.
cDC.RestoreDC( sDC );
return TRUE;
}
void CXTPPopupControl::SetRegionAlphaLayer(CXTPImageManagerIcon* pIcon)
{
if (!pIcon)
return;
if (!m_pfnUpdateLayeredWindow)
return;
CXTPImageManagerIconHandle hShadow;
hShadow.CopyHandle(pIcon->GetIcon());
if (!hShadow.PreMultiply())
return;
PBYTE pBits = hShadow.PreMultiply();
CSize szIcon = hShadow.GetExtent();
int cx = szIcon.cx;
int cy = szIcon.cy;
BLENDFUNCTION bf;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = 0x01;
POINT pt = {0, 0};
CClientDC cDC(this);
CDC dc;
dc.CreateCompatibleDC(&cDC);
UINT* pvBits = NULL;
HBITMAP hBitmap = CXTPImageManager::Create32BPPDIBSection(cDC, cx, cy, (LPBYTE*)&pvBits);
if (pvBits == NULL || hBitmap == NULL)
return;
MEMCPY_S(pvBits, pBits, cx * cy* 4);
HBITMAP hOld = (HBITMAP)SelectObject(dc, hBitmap);
ModifyStyleEx(0, WS_EX_LAYERED);
m_pfnUpdateLayeredWindow((HWND)GetSafeHwnd(), (HDC)0, 0, &szIcon, dc.GetSafeHdc(), &pt, 0, &bf, 0x02);
SelectObject(dc, hOld);
DeleteObject(hBitmap);
dc.DeleteDC();
m_bLayered = TRUE;
}
void CGradientStatic::OnPaint()
{
CPaintDC cDC( this );
CRect rcClient;
GetClientRect( &rcClient );
BOOL bGradient = FALSE;
::SystemParametersInfo( SPI_GETGRADIENTCAPTIONS, 0, &bGradient, 0 );
if( false && bGradient )
{
//COLORREF clrCptnRight = ::GetSysColor(COLOR_GRADIENTACTIVECAPTION);
//COLORREF clrCptnLeft = ::GetSysColor(COLOR_ACTIVECAPTION);
COLORREF clrCptnRight = ::GetSysColor(COLOR_BTNFACE);
COLORREF clrCptnLeft = ::GetSysColor(COLOR_BTNFACE);
int nShift = 6;
int nSteps = 1 << nShift;
for( int i = 0; i < nSteps; i++ )
{
int nR = (GetRValue(clrCptnLeft) * (nSteps - i) +
GetRValue(clrCptnRight) * i) >> nShift;
int nG = (GetGValue(clrCptnLeft) * (nSteps - i) +
GetGValue(clrCptnRight) * i) >> nShift;
int nB = (GetBValue(clrCptnLeft) * (nSteps - i) +
GetBValue(clrCptnRight) * i) >> nShift;
COLORREF cr = RGB(nR, nG, nB);
CRect r2( rcClient );
r2.left = rcClient.left + ((i * rcClient.Width()) >> nShift);
r2.right = rcClient.left + (((i + 1) * rcClient.Width()) >> nShift);
CRect r3 = r2;
r3.left = rcClient.right - r2.right;
r3.right = rcClient.right - r2.left;
if( r3.Width() > 0 )
cDC.FillSolidRect( r3, cr );
}
}
