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Diffstat (limited to 'canvas/source/vcl/canvas.cxx')
| -rw-r--r-- | canvas/source/vcl/canvas.cxx | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/canvas/source/vcl/canvas.cxx b/canvas/source/vcl/canvas.cxx new file mode 100644 index 000000000000..9cc81cd08e57 --- /dev/null +++ b/canvas/source/vcl/canvas.cxx @@ -0,0 +1,164 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: canvas.cxx,v $ + * $Revision: 1.3 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_canvas.hxx" + +#include <canvas/debug.hxx> +#include <canvas/verbosetrace.hxx> +#include <canvas/canvastools.hxx> +#include <tools/diagnose_ex.h> + +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <vcl/canvastools.hxx> +#include <vcl/outdev.hxx> +#include <vcl/window.hxx> +#include <vcl/bitmapex.hxx> + +#include <basegfx/tools/canvastools.hxx> + +#include <algorithm> + +#include "canvas.hxx" +#include "windowoutdevholder.hxx" + + +using namespace ::com::sun::star; + +namespace vclcanvas +{ + namespace + { + class OutDevHolder : public OutDevProvider, + private ::boost::noncopyable + { + public: + explicit OutDevHolder( OutputDevice& rOutDev ) : + mrOutDev(rOutDev) + {} + + private: + virtual OutputDevice& getOutDev() { return mrOutDev; } + virtual const OutputDevice& getOutDev() const { return mrOutDev; } + + // TODO(Q2): Lifetime issue. This _only_ works reliably, + // if disposing the Canvas correctly disposes all + // entities which hold this pointer. + OutputDevice& mrOutDev; + }; + } + + Canvas::Canvas( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& rxContext ) : + maArguments(aArguments), + mxComponentContext( rxContext ) + { + } + + void Canvas::initialize() + { + // #i64742# Only perform initialization when not in probe mode + if( maArguments.getLength() == 0 ) + return; + + /* maArguments: + 0: ptr to creating instance (Window or VirtualDevice) + 1: SystemEnvData as a streamed Any (or empty for VirtualDevice) + 2: current bounds of creating instance + 3: bool, denoting always on top state for Window (always false for VirtualDevice) + 4: XWindow for creating Window (or empty for VirtualDevice) + 5: SystemGraphicsData as a streamed Any + */ + tools::LocalGuard aGuard; + + VERBOSE_TRACE( "VCLCanvas::initialize called" ); + + ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 && + maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER, + "Canvas::initialize: wrong number of arguments, or wrong types" ); + + sal_Int64 nPtr = 0; + maArguments[0] >>= nPtr; + + OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr); + if( !pOutDev ) + throw lang::NoSupportException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "Passed OutDev invalid!")), + NULL); + + OutDevProviderSharedPtr pOutdevProvider( new OutDevHolder(*pOutDev) ); + + // setup helper + maDeviceHelper.init( pOutdevProvider ); + maCanvasHelper.init( *this, + pOutdevProvider, + true, // OutDev state preservation + false ); // no alpha on surface + + maArguments.realloc(0); + } + + Canvas::~Canvas() + { + OSL_TRACE( "Canvas destroyed" ); + } + + void SAL_CALL Canvas::disposing() + { + tools::LocalGuard aGuard; + + mxComponentContext.clear(); + + // forward to parent + CanvasBaseT::disposing(); + } + + ::rtl::OUString SAL_CALL Canvas::getServiceName( ) throw (::com::sun::star::uno::RuntimeException) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( CANVAS_SERVICE_NAME ) ); + } + + bool Canvas::repaint( const GraphicObjectSharedPtr& rGrf, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState, + const ::Point& rPt, + const ::Size& rSz, + const GraphicAttr& rAttr ) const + { + tools::LocalGuard aGuard; + + return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); + } +} |