/* -*- 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 <vcl/metaact.hxx>

#include <vcl/virdev.hxx>

#include <salgdi.hxx>

#include <cassert>

void OutputDevice::DrawEllipse( const tools::Rectangle& rRect )

{

    assert(!is_double_buffered_window());

    if ( mpMetaFile )

        mpMetaFile->AddAction( new MetaEllipseAction( rRect ) );

    if  ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() )

        return;

    tools::Rectangle aRect(LogicToDevicePixel(rRect));

    if ( aRect.IsEmpty() )

        return;

    // we need a graphics

    if ( !mpGraphics && !AcquireGraphics() )

        return;

    assert(mpGraphics);

    if ( mbInitClipRegion )

        InitClipRegion();

    if ( mbOutputClipped )

        return;

    if ( mbInitLineColor )

        InitLineColor();

    tools::Polygon aRectPoly( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 );

    if ( aRectPoly.GetSize() >= 2 )

    {

        Point* pPtAry = aRectPoly.GetPointAry();

        if ( !mbFillColor )

            mpGraphics->DrawPolyLine( aRectPoly.GetSize(), pPtAry, *this );

        else

        {

            if ( mbInitFillColor )

                InitFillColor();

            mpGraphics->DrawPolygon( aRectPoly.GetSize(), pPtAry, *this );

        }

    }

}

void OutputDevice::DrawArc( const tools::Rectangle& rRect,

                            const Point& rStartPt, const Point& rEndPt )

{

    assert(!is_double_buffered_window());

    if ( mpMetaFile )

        mpMetaFile->AddAction( new MetaArcAction( rRect, rStartPt, rEndPt ) );

    if ( !IsDeviceOutputNecessary() || !mbLineColor || ImplIsRecordLayout() )

        return;

    tools::Rectangle aRect(LogicToDevicePixel(rRect));

    if ( aRect.IsEmpty() )

        return;

    // we need a graphics

    if ( !mpGraphics && !AcquireGraphics() )

        return;

    assert(mpGraphics);

    if ( mbInitClipRegion )

        InitClipRegion();

    if ( mbOutputClipped )

        return;

    if ( mbInitLineColor )

        InitLineColor();

    const Point aStart(LogicToDevicePixel(rStartPt));

    const Point aEnd(LogicToDevicePixel(rEndPt));

    tools::Polygon aArcPoly( aRect, aStart, aEnd, PolyStyle::Arc );

    if ( aArcPoly.GetSize() >= 2 )

    {

        Point* pPtAry = aArcPoly.GetPointAry();

        mpGraphics->DrawPolyLine( aArcPoly.GetSize(), pPtAry, *this );

    }

}

void OutputDevice::DrawPie( const tools::Rectangle& rRect,

                            const Point& rStartPt, const Point& rEndPt )

{

    assert(!is_double_buffered_window());

    if ( mpMetaFile )

        mpMetaFile->AddAction( new MetaPieAction( rRect, rStartPt, rEndPt ) );

    if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() )

        return;

    tools::Rectangle aRect(LogicToDevicePixel(rRect));

    if ( aRect.IsEmpty() )

        return;

    // we need a graphics

    if ( !mpGraphics && !AcquireGraphics() )

        return;

    assert(mpGraphics);

    if ( mbInitClipRegion )

        InitClipRegion();

    if ( mbOutputClipped )

        return;

    if ( mbInitLineColor )

        InitLineColor();

    const Point aStart(LogicToDevicePixel(rStartPt));

    const Point aEnd(LogicToDevicePixel(rEndPt));

    tools::Polygon aPiePoly( aRect, aStart, aEnd, PolyStyle::Pie );

    if ( aPiePoly.GetSize() >= 2 )

    {

        Point* pPtAry = aPiePoly.GetPointAry();

        if ( !mbFillColor )

            mpGraphics->DrawPolyLine( aPiePoly.GetSize(), pPtAry, *this );

        else

        {

            if ( mbInitFillColor )

                InitFillColor();

            mpGraphics->DrawPolygon( aPiePoly.GetSize(), pPtAry, *this );

        }

    }

}

void OutputDevice::DrawChord( const tools::Rectangle& rRect,

                              const Point& rStartPt, const Point& rEndPt )

{

    assert(!is_double_buffered_window());

    if ( mpMetaFile )

        mpMetaFile->AddAction( new MetaChordAction( rRect, rStartPt, rEndPt ) );

    if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() )

        return;

    tools::Rectangle aRect(LogicToDevicePixel(rRect));

    if ( aRect.IsEmpty() )

        return;

    // we need a graphics

    if ( !mpGraphics && !AcquireGraphics() )

        return;

    assert(mpGraphics);

    if ( mbInitClipRegion )

        InitClipRegion();

    if ( mbOutputClipped )

        return;

    if ( mbInitLineColor )

        InitLineColor();

    const Point aStart(LogicToDevicePixel(rStartPt));

    const Point aEnd(LogicToDevicePixel(rEndPt));

    tools::Polygon aChordPoly( aRect, aStart, aEnd, PolyStyle::Chord );

    if ( aChordPoly.GetSize() >= 2 )

    {

        Point* pPtAry = aChordPoly.GetPointAry();

        if ( !mbFillColor )

            mpGraphics->DrawPolyLine( aChordPoly.GetSize(), pPtAry, *this );

        else

        {

            if ( mbInitFillColor )

                InitFillColor();

            mpGraphics->DrawPolygon( aChordPoly.GetSize(), pPtAry, *this );

        }

    }

}

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