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libreoffice/canvas/source/vcl/devicehelper.hxx

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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: devicehelper.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: kz $ $Date: 2005-11-02 13:01:10 $
*
* 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
*
************************************************************************/
#ifndef _VCLCANVAS_DEVICEHELPER_HXX
#define _VCLCANVAS_DEVICEHELPER_HXX
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/rendering/XBufferController.hpp>
#include <vcl/outdev.hxx>
#include <vcl/window.hxx>
#include "backbuffer.hxx"
#include <boost/utility.hpp>
/* Definition of DeviceHelper class */
namespace vclcanvas
{
class SpriteCanvas;
class SpriteCanvasHelper;
class DeviceHelper : private ::boost::noncopyable
{
public:
DeviceHelper();
void init( Window& rOutputWindow,
SpriteCanvas& rSpriteCanvas );
/// Dispose all internal references
void disposing();
// XWindowGraphicDevice
::com::sun::star::geometry::RealSize2D getPhysicalResolution();
::com::sun::star::geometry::RealSize2D getPhysicalSize();
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > >& points );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealBezierSegment2D > >& points );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleBitmap(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::geometry::IntegerSize2D& size );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileBitmap(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::geometry::IntegerSize2D& size );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleAlphaBitmap(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::geometry::IntegerSize2D& size );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
const ::com::sun::star::geometry::IntegerSize2D& size );
sal_Bool hasFullScreenMode( );
sal_Bool enterFullScreenMode( sal_Bool bEnter );
::sal_Int32 createBuffers( ::sal_Int32 nBuffers );
void destroyBuffers( );
::sal_Bool showBuffer( ::sal_Bool bUpdateAll );
::sal_Bool switchBuffer( ::sal_Bool bUpdateAll );
OutputDevice* getOutDev() const { return mpOutputWindow; }
::com::sun::star::uno::Any getDeviceHandle() const;
::com::sun::star::uno::Any getSurfaceHandle() const;
/** called when DumpScreenContent property is enabled on
XGraphicDevice, and writes out bitmaps of current screen.
*/
void dumpScreenContent() const;
BackBufferSharedPtr getBackBuffer() const { return mpBackBuffer; }
void notifySizeUpdate( const ::com::sun::star::awt::Rectangle& rBounds );
private:
// TODO(Q3): Lifetime issue. Cannot control pointer validity
// over object lifetime, since we're a UNO component. Now that
// we've changed the ::Window canvas reference to a weak ref,
// might be okay to hold a uno::Reference to the VCL window
// here.
Window* mpOutputWindow;
/// Pointer to sprite canvas (owner of this helper), needed to create bitmaps
SpriteCanvas* mpSpriteCanvas;
/// This buffer holds the background content for all associated canvases
BackBufferSharedPtr mpBackBuffer;
};
}
#endif /* _VCLCANVAS_WINDOWGRAPHICDEVICE_HXX */