SSL stack.cxx Sprache: C

/* -*- 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 <sal/config.h>
#include <sal/log.hxx>
#include <tools/debug.hxx>

#include <vcl/metaact.hxx>
#include <vcl/rendercontext/State.hxx>
#include <vcl/virdev.hxx>
#include <vcl/settings.hxx>

#include <drawmode.hxx>
#include <salgdi.hxx>

void OutputDevice::Push(vcl::PushFlags nFlags)
{
    if (mpMetaFile)
        mpMetaFile->AddAction(new MetaPushAction(nFlags));

    maOutDevStateStack.emplace_back();
    vcl::State& rState = maOutDevStateStack.back();

    rState.mnFlags = nFlags;

    if (nFlags & vcl::PushFlags::LINECOLOR && mbLineColor)
        rState.mpLineColor = maLineColor;

    if (nFlags & vcl::PushFlags::FILLCOLOR && mbFillColor)
        rState.mpFillColor = maFillColor;

    if (nFlags & vcl::PushFlags::FONT)
        rState.mpFont = maFont;

    if (nFlags & vcl::PushFlags::TEXTCOLOR)
        rState.mpTextColor = GetTextColor();

    if (nFlags & vcl::PushFlags::TEXTFILLCOLOR && IsTextFillColor())
        rState.mpTextFillColor = GetTextFillColor();

    if (nFlags & vcl::PushFlags::TEXTLINECOLOR && IsTextLineColor())
        rState.mpTextLineColor = GetTextLineColor();

    if (nFlags & vcl::PushFlags::OVERLINECOLOR && IsOverlineColor())
        rState.mpOverlineColor = GetOverlineColor();

    if (nFlags & vcl::PushFlags::TEXTALIGN)
        rState.meTextAlign = GetTextAlign();

    if (nFlags & vcl::PushFlags::TEXTLAYOUTMODE)
        rState.mnTextLayoutMode = GetLayoutMode();

    if (nFlags & vcl::PushFlags::TEXTLANGUAGE)
        rState.meTextLanguage = GetDigitLanguage();

    if (nFlags & vcl::PushFlags::RASTEROP)
        rState.meRasterOp = GetRasterOp();

    if (nFlags & vcl::PushFlags::MAPMODE)
    {
        rState.mpMapMode = maMapMode;
        rState.mbMapActive = mbMap;
    }

    if (nFlags & vcl::PushFlags::CLIPREGION && mbClipRegion)
        rState.mpClipRegion.reset(new vcl::Region(maRegion));

    if (nFlags & vcl::PushFlags::REFPOINT && mbRefPoint)
        rState.mpRefPoint = maRefPoint;

    if (mpAlphaVDev)
        mpAlphaVDev->Push();
}

void OutputDevice::Pop()
{
    if( mpMetaFile )
        mpMetaFile->AddAction( new MetaPopAction() );

    GDIMetaFile* pOldMetaFile = mpMetaFile;
    mpMetaFile = nullptr;

    if ( maOutDevStateStack.empty() )
    {
        SAL_WARN( "vcl.gdi", "OutputDevice::Pop() without OutputDevice::Push()" );
        return;
    }
    const vcl::State& rState = maOutDevStateStack.back();

    if( mpAlphaVDev )
        mpAlphaVDev->Pop();

    if ( rState.mnFlags & vcl::PushFlags::LINECOLOR )
    {
        if ( rState.mpLineColor )
            SetLineColor( *rState.mpLineColor );
        else
            SetLineColor();
    }

    if ( rState.mnFlags & vcl::PushFlags::FILLCOLOR )
    {
        if ( rState.mpFillColor )
            SetFillColor( *rState.mpFillColor );
        else
            SetFillColor();
    }

    if ( rState.mnFlags & vcl::PushFlags::FONT )
        SetFont( *rState.mpFont );

    if ( rState.mnFlags & vcl::PushFlags::TEXTCOLOR )
        SetTextColor( *rState.mpTextColor );

    if ( rState.mnFlags & vcl::PushFlags::TEXTFILLCOLOR )
    {
        if ( rState.mpTextFillColor )
            SetTextFillColor( *rState.mpTextFillColor );
        else
            SetTextFillColor();
    }

    if ( rState.mnFlags & vcl::PushFlags::TEXTLINECOLOR )
    {
        if ( rState.mpTextLineColor )
            SetTextLineColor( *rState.mpTextLineColor );
        else
            SetTextLineColor();
    }

    if ( rState.mnFlags & vcl::PushFlags::OVERLINECOLOR )
    {
        if ( rState.mpOverlineColor )
            SetOverlineColor( *rState.mpOverlineColor );
        else
            SetOverlineColor();
    }

    if ( rState.mnFlags & vcl::PushFlags::TEXTALIGN )
        SetTextAlign( rState.meTextAlign );

    if( rState.mnFlags & vcl::PushFlags::TEXTLAYOUTMODE )
        SetLayoutMode( rState.mnTextLayoutMode );

    if( rState.mnFlags & vcl::PushFlags::TEXTLANGUAGE )
        SetDigitLanguage( rState.meTextLanguage );

    if ( rState.mnFlags & vcl::PushFlags::RASTEROP )
        SetRasterOp( rState.meRasterOp );

    if ( rState.mnFlags & vcl::PushFlags::MAPMODE )
    {
        if ( rState.mpMapMode )
            SetMapMode( *rState.mpMapMode );
        else
            SetMapMode();
        mbMap = rState.mbMapActive;
    }

    if ( rState.mnFlags & vcl::PushFlags::CLIPREGION )
        SetDeviceClipRegion( rState.mpClipRegion.get() );

    if ( rState.mnFlags & vcl::PushFlags::REFPOINT )
    {
        if ( rState.mpRefPoint )
            SetRefPoint( *rState.mpRefPoint );
        else
            SetRefPoint();
    }

    maOutDevStateStack.pop_back();

    mpMetaFile = pOldMetaFile;
}

void OutputDevice::ClearStack()
{
    sal_uInt32 nCount = maOutDevStateStack.size();
    while( nCount-- )
        Pop();
}

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

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