# Cppcheck report - LibreOffice: canvas/source/directx/dx_canvasfont.cxx

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    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     *
     * This file incorporates work covered by the following license notice:
     *
     *   Licensed to the Apache Software Foundation (ASF) under one or more
     *   contributor license agreements. See the NOTICE file distributed
     *   with this work for additional information regarding copyright
     *   ownership. The ASF licenses this file to you under the Apache
     *   License, Version 2.0 (the "License"); you may not use this file
     *   except in compliance with the License. You may obtain a copy of
     *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
     */

    #include <ctype.h>
    #include "dx_winstuff.hxx"
    #include "dx_spritecanvas.hxx"
    #include "dx_canvasfont.hxx"
    #include "dx_textlayout.hxx"

    #include <com/sun/star/rendering/XSpriteCanvas.hpp>
    #include <com/sun/star/rendering/PanoseWeight.hpp>

    #include <cppuhelper/supportsservice.hxx>

    using namespace ::com::sun::star;

    namespace dxcanvas
    {
        namespace
        {
            INT calcFontStyle( const rendering::FontRequest& rFontRequest )
            {
                INT nFontStyle( Gdiplus::FontStyleRegular );

                if( rFontRequest.FontDescription.FontDescription.Weight > rendering::PanoseWeight::BOOK )
                    nFontStyle = Gdiplus::FontStyleBold;

                return nFontStyle;
            }
        }

        CanvasFont::CanvasFont( const rendering::FontRequest&                   rFontRequest,
                                const uno::Sequence< beans::PropertyValue >&    /*extraFontProperties*/,
                                const geometry::Matrix2D&                       fontMatrix ) :
            CanvasFont_Base( m_aMutex ),
            mpGdiPlusUser( GDIPlusUser::createInstance() ),
            // TODO(F1): extraFontProperties, fontMatrix
            mpFontFamily(),
            mpFont(),
            maFontRequest( rFontRequest ),
            maFontMatrix( fontMatrix )
        {
            const sal_Int32            nLen(rFontRequest.FontDescription.FamilyName.getLength());
            const sal_Unicode*         pStr(rFontRequest.FontDescription.FamilyName.getStr());
            std::vector< sal_Unicode > pStrBuf(nLen+1,0);
            std::copy(pStr,pStr+nLen,&pStrBuf[0]);

            mpFontFamily.reset( new Gdiplus::FontFamily(reinterpret_cast<LPCWSTR>(&pStrBuf[0]),NULL) );
            if( !mpFontFamily->IsAvailable() )
                mpFontFamily.reset( new Gdiplus::FontFamily(L"Arial",NULL) );

            mpFont.reset( new Gdiplus::Font( mpFontFamily.get(),
                                             static_cast<Gdiplus::REAL>(rFontRequest.CellSize),
                                             calcFontStyle( rFontRequest ),
                                             Gdiplus::UnitWorld ));
        }

        void SAL_CALL CanvasFont::disposing()
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            mpFont.reset();
            mpFontFamily.reset();
            mpGdiPlusUser.reset();
        }

        uno::Reference< rendering::XTextLayout > SAL_CALL CanvasFont::createTextLayout( const rendering::StringContext& aText,
                                                                                        sal_Int8                        nDirection,
                                                                                        sal_Int64                       nRandomSeed ) throw (uno::RuntimeException)
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return new TextLayout( aText, nDirection, nRandomSeed, ImplRef( this ) );
        }

        uno::Sequence< double > SAL_CALL CanvasFont::getAvailableSizes(  ) throw (uno::RuntimeException)<--- The function 'getAvailableSizes' is never used.
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            // TODO
            return uno::Sequence< double >();
        }

        uno::Sequence< beans::PropertyValue > SAL_CALL CanvasFont::getExtraFontProperties(  ) throw (uno::RuntimeException)<--- The function 'getExtraFontProperties' is never used.
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            // TODO
            return uno::Sequence< beans::PropertyValue >();
        }

        rendering::FontRequest SAL_CALL CanvasFont::getFontRequest(  ) throw (uno::RuntimeException)
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return maFontRequest;
        }

        rendering::FontMetrics SAL_CALL CanvasFont::getFontMetrics(  ) throw (uno::RuntimeException)
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            // TODO
            return rendering::FontMetrics();
        }

        OUString SAL_CALL CanvasFont::getImplementationName() throw( uno::RuntimeException )
        {
            return OUString( "DXCanvas::CanvasFont" );
        }

        sal_Bool SAL_CALL CanvasFont::supportsService( const OUString& ServiceName ) throw( uno::RuntimeException )
        {
            return cppu::supportsService( this, ServiceName );
        }

        uno::Sequence< OUString > SAL_CALL CanvasFont::getSupportedServiceNames()  throw( uno::RuntimeException )
        {
            uno::Sequence< OUString > aRet(1);
            aRet[0] = "com.sun.star.rendering.CanvasFont";

            return aRet;
        }

        double CanvasFont::getCellAscent() const
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return mpFontFamily->GetCellAscent(0); // TODO(F1): rFontRequest.styleName
        }

        double CanvasFont::getEmHeight() const
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return mpFontFamily->GetEmHeight(0); // TODO(F1): rFontRequest.styleName
        }

        FontSharedPtr CanvasFont::getFont() const
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return mpFont;
        }

        const ::com::sun::star::geometry::Matrix2D& CanvasFont::getFontMatrix() const
        {
            ::osl::MutexGuard aGuard( m_aMutex );

            return maFontMatrix;
        }
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */