libreoffice/vcl/source/gdi/outdev5.cxx

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 *
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include <tools/ref.hxx>
#include <svsys.h>
#include <vcl/salgdi.hxx>
#include <tools/debug.hxx>
#include <vcl/svdata.hxx>
#include <tools/poly.hxx>
#include <vcl/metaact.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/outdata.hxx>
#include <vcl/outdev.h>
#include <vcl/outdev.hxx>
#include <vcl/virdev.hxx>

// =======================================================================

DBG_NAMEEX( OutputDevice )

// =======================================================================

void OutputDevice::DrawRect( const Rectangle& rRect,
                             ULONG nHorzRound, ULONG nVertRound )
{
    DBG_TRACE( "OutputDevice::DrawRoundRect()" );
    DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );

    if ( mpMetaFile )
        mpMetaFile->AddAction( new MetaRoundRectAction( rRect, nHorzRound, nVertRound ) );

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

    const Rectangle aRect( ImplLogicToDevicePixel( rRect ) );

    if ( aRect.IsEmpty() )
        return;

    nHorzRound = ImplLogicWidthToDevicePixel( nHorzRound );
    nVertRound = ImplLogicHeightToDevicePixel( nVertRound );

    // we need a graphics
    if ( !mpGraphics )
    {
        if ( !ImplGetGraphics() )
            return;
    }

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return;

    if ( mbInitLineColor )
        ImplInitLineColor();
    if ( mbInitFillColor )
        ImplInitFillColor();

    if ( !nHorzRound && !nVertRound )
        mpGraphics->DrawRect( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(), this );
    else
    {
        const Polygon aRoundRectPoly( aRect, nHorzRound, nVertRound );

        if ( aRoundRectPoly.GetSize() >= 2 )
        {
            const SalPoint* pPtAry = (const SalPoint*) aRoundRectPoly.GetConstPointAry();

            if ( !mbFillColor )
                mpGraphics->DrawPolyLine( aRoundRectPoly.GetSize(), pPtAry, this );
            else
                mpGraphics->DrawPolygon( aRoundRectPoly.GetSize(), pPtAry, this );
        }
    }

    if( mpAlphaVDev )
        mpAlphaVDev->DrawRect( rRect, nHorzRound, nVertRound );
}

// -----------------------------------------------------------------------

void OutputDevice::DrawEllipse( const Rectangle& rRect )
{
    DBG_TRACE( "OutputDevice::DrawEllipse()" );
    DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );

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

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

    Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
    if ( aRect.IsEmpty() )
        return;

    // we need a graphics
    if ( !mpGraphics )
    {
        if ( !ImplGetGraphics() )
            return;
    }

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return;

    if ( mbInitLineColor )
        ImplInitLineColor();

    Polygon aRectPoly( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 );
    if ( aRectPoly.GetSize() >= 2 )
    {
        const SalPoint* pPtAry = (const SalPoint*)aRectPoly.GetConstPointAry();
        if ( !mbFillColor )
            mpGraphics->DrawPolyLine( aRectPoly.GetSize(), pPtAry, this );
        else
        {
            if ( mbInitFillColor )
                ImplInitFillColor();
            mpGraphics->DrawPolygon( aRectPoly.GetSize(), pPtAry, this );
        }
    }

    if( mpAlphaVDev )
        mpAlphaVDev->DrawEllipse( rRect );
}

// -----------------------------------------------------------------------

void OutputDevice::DrawArc( const Rectangle& rRect,
                            const Point& rStartPt, const Point& rEndPt )
{
    DBG_TRACE( "OutputDevice::DrawArc()" );
    DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );

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

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

    Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
    if ( aRect.IsEmpty() )
        return;

    // we need a graphics
    if ( !mpGraphics )
    {
        if ( !ImplGetGraphics() )
            return;
    }

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return;

    if ( mbInitLineColor )
        ImplInitLineColor();

    const Point     aStart( ImplLogicToDevicePixel( rStartPt ) );
    const Point     aEnd( ImplLogicToDevicePixel( rEndPt ) );
    Polygon         aArcPoly( aRect, aStart, aEnd, POLY_ARC );

    if ( aArcPoly.GetSize() >= 2 )
    {
        const SalPoint* pPtAry = (const SalPoint*)aArcPoly.GetConstPointAry();
        mpGraphics->DrawPolyLine( aArcPoly.GetSize(), pPtAry, this );
    }

    if( mpAlphaVDev )
        mpAlphaVDev->DrawArc( rRect, rStartPt, rEndPt );
}

// -----------------------------------------------------------------------

void OutputDevice::DrawPie( const Rectangle& rRect,
                            const Point& rStartPt, const Point& rEndPt )
{
    DBG_TRACE( "OutputDevice::DrawPie()" );
    DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );

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

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

    Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
    if ( aRect.IsEmpty() )
        return;

    // we need a graphics
    if ( !mpGraphics )
    {
        if ( !ImplGetGraphics() )
            return;
    }

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return;

    if ( mbInitLineColor )
        ImplInitLineColor();

    const Point     aStart( ImplLogicToDevicePixel( rStartPt ) );
    const Point     aEnd( ImplLogicToDevicePixel( rEndPt ) );
    Polygon         aPiePoly( aRect, aStart, aEnd, POLY_PIE );

    if ( aPiePoly.GetSize() >= 2 )
    {
        const SalPoint* pPtAry = (const SalPoint*)aPiePoly.GetConstPointAry();
        if ( !mbFillColor )
            mpGraphics->DrawPolyLine( aPiePoly.GetSize(), pPtAry, this );
        else
        {
            if ( mbInitFillColor )
                ImplInitFillColor();
            mpGraphics->DrawPolygon( aPiePoly.GetSize(), pPtAry, this );
        }
    }

    if( mpAlphaVDev )
        mpAlphaVDev->DrawPie( rRect, rStartPt, rEndPt );
}

// -----------------------------------------------------------------------

void OutputDevice::DrawChord( const Rectangle& rRect,
                              const Point& rStartPt, const Point& rEndPt )
{
    DBG_TRACE( "OutputDevice::DrawChord()" );
    DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );

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

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

    Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
    if ( aRect.IsEmpty() )
        return;

    // we need a graphics
    if ( !mpGraphics )
    {
        if ( !ImplGetGraphics() )
            return;
    }

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return;

    if ( mbInitLineColor )
        ImplInitLineColor();

    const Point     aStart( ImplLogicToDevicePixel( rStartPt ) );
    const Point     aEnd( ImplLogicToDevicePixel( rEndPt ) );
    Polygon         aChordPoly( aRect, aStart, aEnd, POLY_CHORD );

    if ( aChordPoly.GetSize() >= 2 )
    {
        const SalPoint* pPtAry = (const SalPoint*)aChordPoly.GetConstPointAry();
        if ( !mbFillColor )
            mpGraphics->DrawPolyLine( aChordPoly.GetSize(), pPtAry, this );
        else
        {
            if ( mbInitFillColor )
                ImplInitFillColor();
            mpGraphics->DrawPolygon( aChordPoly.GetSize(), pPtAry, this );
        }
    }

    if( mpAlphaVDev )
        mpAlphaVDev->DrawChord( rRect, rStartPt, rEndPt );
}