vcl/source/outdev/eps.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
 * This file is part of the Collabora Office 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 <vcl/gfxlink.hxx>
#include <vcl/graph.hxx>
#include <vcl/metaact.hxx>
#include <vcl/virdev.hxx>

#include <salgdi.hxx>

bool OutputDevice::DrawEPS( const Point& rPoint, const Size& rSize,
                            const GfxLink& rGfxLink, GDIMetaFile* pSubst )
{
    if ( mpMetaFile )
    {
        GDIMetaFile aSubst;

        if( pSubst )
            aSubst = *pSubst;

        mpMetaFile->AddAction( new MetaEPSAction( rPoint, rSize, rGfxLink, aSubst ) );
    }

    if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
        return true;

    if( mbOutputClipped )
        return true;

    tools::Rectangle aRect( ImplLogicToDevicePixel( tools::Rectangle( rPoint, rSize ) ) );

    if (aRect.IsEmpty())
        return true;

    bool bDrawn = true;

    // draw the real EPS graphics
    if( rGfxLink.GetData() && rGfxLink.GetDataSize() )
    {
        if( !mpGraphics && !AcquireGraphics() )
            return bDrawn;
        assert(mpGraphics);

        if( mbInitClipRegion )
            InitClipRegion();

        aRect.Normalize();
        bDrawn = mpGraphics->DrawEPS( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(),
                     const_cast<sal_uInt8*>(rGfxLink.GetData()), rGfxLink.GetDataSize(), *this );
    }

    // else draw the substitution graphics
    if( !bDrawn && pSubst )
    {
        GDIMetaFile* pOldMetaFile = mpMetaFile;

        mpMetaFile = nullptr;
        Graphic(*pSubst).Draw(*this, rPoint, rSize);
        mpMetaFile = pOldMetaFile;
    }

    return bDrawn;
}

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