/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: implbitmap.cxx,v $
 *
 *  $Revision: 1.7 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 08:24:56 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#include <implbitmap.hxx>
#include <implbitmapcanvas.hxx>

#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
#include <basegfx/matrix/b2dhommatrix.hxx>
#endif

#include <canvas/canvastools.hxx>


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

namespace cppcanvas
{

    namespace internal
    {

        ImplBitmap::ImplBitmap( const CanvasSharedPtr&                      rParentCanvas,
                                const uno::Reference< rendering::XBitmap >& rBitmap ) :
            CanvasGraphicHelper( rParentCanvas ),
            mxBitmap( rBitmap ),
            mpBitmapCanvas()
        {
            OSL_ENSURE( mxBitmap.is(), "ImplBitmap::ImplBitmap: no valid bitmap" );

            uno::Reference< rendering::XBitmapCanvas > xBitmapCanvas( rBitmap,
                                                                      uno::UNO_QUERY );
            if( xBitmapCanvas.is() )
                mpBitmapCanvas.reset( new ImplBitmapCanvas(
                                          uno::Reference< rendering::XBitmapCanvas >(rBitmap,
                                                                                     uno::UNO_QUERY) ) );
        }

        ImplBitmap::~ImplBitmap()
        {
        }

        bool ImplBitmap::draw() const
        {
            CanvasSharedPtr pCanvas( getCanvas() );

            OSL_ENSURE( pCanvas.get() != NULL &&
                        pCanvas->getUNOCanvas().is(),
                        "ImplBitmap::draw: invalid canvas" );

            if( pCanvas.get() == NULL ||
                !pCanvas->getUNOCanvas().is() )
            {
                return false;
            }

            // TODO(P1): implement caching
            pCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
                                                 pCanvas->getViewState(),
                                                 maRenderState );

            return true;
        }

        bool ImplBitmap::drawAlphaModulated( double nAlphaModulation ) const
        {
            CanvasSharedPtr pCanvas( getCanvas() );

            OSL_ENSURE( pCanvas.get() != NULL &&
                        pCanvas->getUNOCanvas().is(),
                        "ImplBitmap::drawAlphaModulated(): invalid canvas" );

            if( pCanvas.get() == NULL ||
                !pCanvas->getUNOCanvas().is() )
            {
                return false;
            }

            rendering::RenderState aLocalState( maRenderState );
            ::canvas::tools::setDeviceColor( aLocalState,
                                             1.0, 1.0, 1.0, nAlphaModulation );

            // TODO(P1): implement caching
            pCanvas->getUNOCanvas()->drawBitmapModulated( mxBitmap,
                                                          pCanvas->getViewState(),
                                                          aLocalState );

            return true;
        }

        BitmapCanvasSharedPtr ImplBitmap::getBitmapCanvas() const
        {
            return mpBitmapCanvas;
        }

        uno::Reference< rendering::XBitmap > ImplBitmap::getUNOBitmap() const
        {
            return mxBitmap;
        }
    }
}