STDMETHODIMP
CDirect2DRM::CreateImageFromText(BSTR bstrText, DWORD nPointHeight, BOOL bShadowed,
LPDIRECT2DRMIMAGE *ppImage)
{
MMASSERT(ppImage);
if (m_pImageCache == NULL)
return E_NOTINITIALIZED;
HRESULT hr;
LPD2DRMIMAGEPRIVATE pImagePriv = NULL;
CMFImage *pmfi = NULL;
CString strText(bstrText);
IFont *pFont = NULL;
HFONT hFont = NULL;
CY size = {nPointHeight*10000, 0};
pFont = GetDefaultFont();
pFont->put_Size(size);
pFont->get_hFont(&hFont);
// get a reference to the MFImage from the image cache
if (FAILED(hr = m_pImageCache->GetImageFromText(strText, hFont, 0x00FFFFFF, bShadowed, 0, NULL, &pmfi)) ||
// CoCreate the D2DRMImage object
FAILED(hr = CoCreateInstance(
CLSID_CDirect2DRMImage,
NULL,
CLSCTX_INPROC_SERVER,
IID_ID2DRMImagePrivate,
(LPVOID *) &pImagePriv)) ||
// initialize the D2DRMImage with the MFImage
FAILED(hr = pImagePriv->InitFromMFImage(this, pmfi, 0)))
goto e_CreateImageFromText;
*ppImage = (LPDIRECT2DRMIMAGE) pImagePriv;
// release the extra reference we had from the CreateImageFromText
pmfi->Release();
return S_OK;
e_CreateImageFromText:
MMRELEASE(pImagePriv);
MMRELEASE(pmfi);
MMRELEASE(pFont);
return hr;
}
void CMyAxCtrl::OnFontChanged()
{
// Always set it to the container's font
if (m_MyEdit.m_hWnd != NULL)
{
IFontDisp* pFontDisp = NULL;
IFont *pFont = NULL;
HRESULT hr;
// Get the container's FontDisp interface
pFontDisp = AmbientFont();
if (pFontDisp)
{
hr = pFontDisp->QueryInterface(IID_IFont, (LPVOID *) &pFont);
if (FAILED(hr))
{
pFontDisp->Release();
return;
}
}
HFONT hFont = NULL;
if (pFont)
{
pFont->get_hFont(&hFont);
m_MyEdit.SendMessage(WM_SETFONT, (WPARAM)hFont, 0L);
}
pFontDisp->Release();
}
// Invalidate the control
m_MyEdit.Invalidate();
m_MyEdit.UpdateWindow();
COleControl::OnFontChanged();
}