HRESULT GetFontFamilyNames(IDWriteFontCollection* fontCollection, const WCHAR* localeName, IN OUT std::vector< std::wstring >& fontFamilyNames)
{
HRESULT hr = S_OK;
std::wstring familyName;
UINT32 familyCount = fontCollection->GetFontFamilyCount();
try
{
for (UINT32 i = 0; i != familyCount; ++i)
{
IDWriteFontFamily* fontFamily = NULL;
hr = fontCollection->GetFontFamily(i, &fontFamily);
if (SUCCEEDED(hr))
{
hr = GetFontFamilyName(fontFamily, localeName, familyName);
}
SafeRelease(&fontFamily);
if (FAILED(hr))
break;
fontFamilyNames.push_back(familyName);
}
}
catch (...)
{
hr = ExceptionToHResult();
}
return hr;
}
void CanvasTextFormat::SetShadowPropertiesFromDWrite()
{
assert(m_format);
ThrowIfFailed(m_format->GetFontCollection(&m_fontCollection));
m_flowDirection = ToCanvasTextDirection(m_format->GetFlowDirection());
m_fontFamilyName = GetFontFamilyName(m_format.Get());
m_fontSize = m_format->GetFontSize();
m_fontStretch = ToWindowsFontStretch(m_format->GetFontStretch());
m_fontStyle = ToWindowsFontStyle(m_format->GetFontStyle());
m_fontWeight = ToWindowsFontWeight(m_format->GetFontWeight());
m_incrementalTabStop = m_format->GetIncrementalTabStop();
m_localeName = GetLocaleName(m_format.Get());
m_verticalAlignment = ToCanvasVerticalAlignment(m_format->GetParagraphAlignment());
m_paragraphAlignment = ToWindowsParagraphAlignment(m_format->GetTextAlignment());
m_readingDirection = ToCanvasTextDirection(m_format->GetReadingDirection());
m_wordWrapping = ToCanvasWordWrapping(m_format->GetWordWrapping());
m_drawTextOptions = CanvasDrawTextOptions::Default;
DWRITE_LINE_SPACING_METHOD method{};
ThrowIfFailed(m_format->GetLineSpacing(&method, &m_lineSpacing, &m_lineSpacingBaseline));
m_lineSpacingMethod = ToCanvasLineSpacingMethod(method);
DWRITE_TRIMMING trimmingOptions{};
ComPtr<IDWriteInlineObject> inlineObject;
ThrowIfFailed(m_format->GetTrimming(
&trimmingOptions,
&inlineObject));
m_trimmingGranularity = ToCanvasTextTrimmingGranularity(trimmingOptions.granularity);
m_trimmingDelimiter = ToCanvasTrimmingDelimiter(trimmingOptions.delimiter);
m_trimmingDelimiterCount = trimmingOptions.delimiterCount;
}
IFACEMETHODIMP CanvasTextFormat::get_FontFamily(HSTRING* value)
{
return PropertyGet(
value,
m_fontFamilyName,
[&]
{
return GetFontFamilyName(m_format.Get());
});
}
