HRESULT CMatrixBox::QuickPaint(CRect rcClip0)
{
//拖拽时直接向窗口绘制缓存的dc，提高效率
CRect rcParent(0,0,0,0);
if(m_pParentFrame)
{
rcParent = m_pParentFrame->GetPaintRect();
}
CRect rcClip;
CRect rcTmp;
if(IntersectRect(&rcTmp,&rcParent,&m_rcPaint) == 0)
{
return E_FAIL;
}
if(IntersectRect(&rcClip,&rcTmp,&rcClip0) == 0)
{
return E_FAIL;
}
CRect rcWin;
::GetWindowRect(GetHwnd(),&rcWin);
HDC hdcMem = ::CreateCompatibleDC(m_hMemDC);
HBITMAP hbmp = ::CreateCompatibleBitmap(m_hMemDC,rcWin.Width(),rcWin.Height());
HBITMAP hOldBmp = (HBITMAP)::SelectObject(hdcMem,hbmp);
::BitBlt(hdcMem,rcClip.left,rcClip.top,rcClip.Width(),rcClip.Height(),m_hMemDC,rcClip.left,rcClip.top,SRCCOPY);
int nCount = GetFrameCount();
for(int i= 0;i<nCount;i++)
{
CMatrixItem* pItem = (CMatrixItem*)GetFrameByIndex(i);
if(pItem)
{
CRect rcItem = pItem->GetPaintRect();
if ( IntersectRect( &rcTmp,&rcItem,&rcClip ) != 0 )
{
pItem->QuickPaint(hdcMem);
}
}
}
HDC hdcWin = ::GetDC(GetHwnd());
::BitBlt(hdcWin,rcClip.left,rcClip.top,rcClip.Width(),rcClip.Height(),hdcMem,rcClip.left,rcClip.top,SRCCOPY);
ReleaseDC(GetHwnd(),hdcWin);
::SelectObject(hdcMem,hOldBmp);
::DeleteObject(hbmp);
::DeleteDC(hdcMem);
return S_OK;
}
HRESULT CMatrixBox::SaveChildDC(BOOL bSave)
{
int nCount = GetFrameCount();
for(int i= 0;i<nCount;i++)
{
CMatrixItem* pItem = (CMatrixItem*)GetFrameByIndex(i);
if(pItem)
{
pItem->SaveDC(bSave);
}
}
return S_OK;
}
void cgImageSequence::DoUpdateSelf( float fDeltaTime )
{
if (m_kFrameList.empty())
return ;
cgImageFramePtr spCurFrame = GetFrameByIndex(m_uCurFrameIndex);
if (!spCurFrame)
return;
m_fSequenceTime += fDeltaTime;
if (m_fSequenceTime >= spCurFrame->GetDuration())
{
m_fSequenceTime -= spCurFrame->GetDuration();
SetCurFrameIndex(m_uCurFrameIndex+1);
}
}
void cgImageSequence::SetCurFrameIndex( unsigned uIndex )
{
if (m_kFrameList.empty())
return ;
m_uCurFrameIndex = uIndex;
// 循环播放
if (m_uCurFrameIndex >= m_kFrameList.size())
m_uCurFrameIndex = 0;
cgImageFramePtr spFrame = GetFrameByIndex(m_uCurFrameIndex);
m_spCurImage->SetImage( spFrame->GetImage());
m_spCurImage->SetSize(spFrame->GetImage()->GetWidth(), spFrame->GetImage()->GetHeight());
m_spCurImage->SetLocalPosition(spFrame->GetFrameOffsetX(), spFrame->GetFrameOffsetY());
SetSize(m_spCurImage->GetSize());
}
