bool setupLayout (const AttributedString& text, const float maxWidth, const float maxHeight,
                      ID2D1RenderTarget& renderTarget, IDWriteFactory& directWriteFactory,
                      IDWriteFontCollection& fontCollection, ComSmartPtr<IDWriteTextLayout>& textLayout)
    {
        // To add color to text, we need to create a D2D render target
        // Since we are not actually rendering to a D2D context we create a temporary GDI render target

        Font defaultFont;
        BOOL fontFound = false;
        uint32 fontIndex;
        fontCollection.FindFamilyName (defaultFont.getTypeface()->getName().toWideCharPointer(), &fontIndex, &fontFound);

        if (! fontFound)
            fontIndex = 0;

        ComSmartPtr<IDWriteFontFamily> dwFontFamily;
        HRESULT hr = fontCollection.GetFontFamily (fontIndex, dwFontFamily.resetAndGetPointerAddress());

        ComSmartPtr<IDWriteFont> dwFont;
        hr = dwFontFamily->GetFirstMatchingFont (DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL, DWRITE_FONT_STYLE_NORMAL,
                                                 dwFont.resetAndGetPointerAddress());
        jassert (dwFont != nullptr);

        const float defaultFontHeightToEmSizeFactor = getFontHeightToEmSizeFactor (*dwFont);

        ComSmartPtr<IDWriteTextFormat> dwTextFormat;
        hr = directWriteFactory.CreateTextFormat (defaultFont.getTypefaceName().toWideCharPointer(), &fontCollection,
                                                  DWRITE_FONT_WEIGHT_REGULAR, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
                                                  defaultFont.getHeight() * defaultFontHeightToEmSizeFactor,
                                                  L"en-us", dwTextFormat.resetAndGetPointerAddress());

        setTextFormatProperties (text, *dwTextFormat);

        {
            DWRITE_TRIMMING trimming = { DWRITE_TRIMMING_GRANULARITY_CHARACTER, 0, 0 };
            ComSmartPtr<IDWriteInlineObject> trimmingSign;
            hr = directWriteFactory.CreateEllipsisTrimmingSign (dwTextFormat, trimmingSign.resetAndGetPointerAddress());
            hr = dwTextFormat->SetTrimming (&trimming, trimmingSign);
        }

        const int textLen = text.getText().length();

        hr = directWriteFactory.CreateTextLayout (text.getText().toWideCharPointer(), textLen, dwTextFormat,
                                                  maxWidth, maxHeight, textLayout.resetAndGetPointerAddress());

        if (FAILED (hr) || textLayout == nullptr)
            return false;

        const int numAttributes = text.getNumAttributes();

        for (int i = 0; i < numAttributes; ++i)
            addAttributedRange (*text.getAttribute (i), *textLayout, textLen, renderTarget, fontCollection);

        return true;
    }
    void setupLayout (const AttributedString& text, const float& maxWidth, const float& maxHeight,
                      ID2D1RenderTarget* const renderTarget, IDWriteFactory* const directWriteFactory,
                      IDWriteFontCollection* const fontCollection, IDWriteTextLayout** dwTextLayout)
    {
        // To add color to text, we need to create a D2D render target
        // Since we are not actually rendering to a D2D context we create a temporary GDI render target

        Font defaultFont;
        BOOL fontFound = false;
        uint32 fontIndex;
        fontCollection->FindFamilyName (defaultFont.getTypeface()->getName().toWideCharPointer(), &fontIndex, &fontFound);

        if (! fontFound)
            fontIndex = 0;

        ComSmartPtr<IDWriteFontFamily> dwFontFamily;
        HRESULT hr = fontCollection->GetFontFamily (fontIndex, dwFontFamily.resetAndGetPointerAddress());

        ComSmartPtr<IDWriteFont> dwFont;
        hr = dwFontFamily->GetFirstMatchingFont (DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL, DWRITE_FONT_STYLE_NORMAL,
                                                 dwFont.resetAndGetPointerAddress());

        const float defaultFontHeightToEmSizeFactor = getFontHeightToEmSizeFactor (dwFont);

        jassert (directWriteFactory != nullptr);

        ComSmartPtr<IDWriteTextFormat> dwTextFormat;
        hr = directWriteFactory->CreateTextFormat (defaultFont.getTypefaceName().toWideCharPointer(), fontCollection,
                                                   DWRITE_FONT_WEIGHT_REGULAR, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
                                                   defaultFont.getHeight() * defaultFontHeightToEmSizeFactor,
                                                   L"en-us", dwTextFormat.resetAndGetPointerAddress());

        setTextFormatProperties (text, dwTextFormat);

        const int textLen = text.getText().length();

        hr = directWriteFactory->CreateTextLayout (text.getText().toWideCharPointer(), textLen,
                                                   dwTextFormat, maxWidth, maxHeight, dwTextLayout);

        const int numAttributes = text.getNumAttributes();

        for (int i = 0; i < numAttributes; ++i)
            addAttributedRange (*text.getAttribute (i), *dwTextLayout, textLen, renderTarget, fontCollection);
    }
    void createLayout (TextLayout& layout, const AttributedString& text, IDWriteFactory* const directWriteFactory,
                       ID2D1Factory* const direct2dFactory, IDWriteFontCollection* const fontCollection)
    {
        // To add color to text, we need to create a D2D render target
        // Since we are not actually rendering to a D2D context we create a temporary GDI render target

        D2D1_RENDER_TARGET_PROPERTIES d2dRTProp = D2D1::RenderTargetProperties (D2D1_RENDER_TARGET_TYPE_SOFTWARE,
                                                                                D2D1::PixelFormat (DXGI_FORMAT_B8G8R8A8_UNORM,
                                                                                                   D2D1_ALPHA_MODE_IGNORE),
                                                                                0, 0,
                                                                                D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE,
                                                                                D2D1_FEATURE_LEVEL_DEFAULT);
        ComSmartPtr<ID2D1DCRenderTarget> renderTarget;
        HRESULT hr = direct2dFactory->CreateDCRenderTarget (&d2dRTProp, renderTarget.resetAndGetPointerAddress());

        Font defaultFont;
        BOOL fontFound = false;
        uint32 fontIndex;
        fontCollection->FindFamilyName (defaultFont.getTypefaceName().toWideCharPointer(), &fontIndex, &fontFound);

        if (! fontFound)
            fontIndex = 0;

        ComSmartPtr<IDWriteFontFamily> dwFontFamily;
        hr = fontCollection->GetFontFamily (fontIndex, dwFontFamily.resetAndGetPointerAddress());

        ComSmartPtr<IDWriteFont> dwFont;
        hr = dwFontFamily->GetFirstMatchingFont (DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL, DWRITE_FONT_STYLE_NORMAL,
                                                 dwFont.resetAndGetPointerAddress());

        const float defaultFontHeightToEmSizeFactor = getFontHeightToEmSizeFactor (dwFont);

        jassert (directWriteFactory != nullptr);

        ComSmartPtr<IDWriteTextFormat> dwTextFormat;
        hr = directWriteFactory->CreateTextFormat (defaultFont.getTypefaceName().toWideCharPointer(), fontCollection,
                                                   DWRITE_FONT_WEIGHT_REGULAR, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL,
                                                   defaultFont.getHeight() * defaultFontHeightToEmSizeFactor,
                                                   L"en-us", dwTextFormat.resetAndGetPointerAddress());

        setTextFormatProperties (text, dwTextFormat);

        const int textLen = text.getText().length();

        ComSmartPtr<IDWriteTextLayout> dwTextLayout;
        hr = directWriteFactory->CreateTextLayout (text.getText().toWideCharPointer(), textLen,
                                                   dwTextFormat, layout.getWidth(),
                                                   1.0e7f, dwTextLayout.resetAndGetPointerAddress());

        const int numAttributes = text.getNumAttributes();

        for (int i = 0; i < numAttributes; ++i)
            addAttributedRange (*text.getAttribute (i), dwTextLayout, textLen, renderTarget, fontCollection);

        UINT32 actualLineCount = 0;
        hr = dwTextLayout->GetLineMetrics (nullptr, 0, &actualLineCount);

        layout.ensureStorageAllocated (actualLineCount);

        {
            ComSmartPtr<CustomDirectWriteTextRenderer> textRenderer (new CustomDirectWriteTextRenderer (fontCollection));
            hr = dwTextLayout->Draw (&layout, textRenderer, 0, 0);
        }

        HeapBlock <DWRITE_LINE_METRICS> dwLineMetrics (actualLineCount);
        hr = dwTextLayout->GetLineMetrics (dwLineMetrics, actualLineCount, &actualLineCount);
        int lastLocation = 0;
        const int numLines = jmin ((int) actualLineCount, layout.getNumLines());

        for (int i = 0; i < numLines; ++i)
        {
            lastLocation = dwLineMetrics[i].length;
            layout.getLine(i).stringRange = Range<int> (lastLocation, (int) lastLocation + dwLineMetrics[i].length);
        }
    }