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Diffstat (limited to 'canvas/source/cairo/cairo_canvas.cxx')
-rw-r--r-- | canvas/source/cairo/cairo_canvas.cxx | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvas.cxx b/canvas/source/cairo/cairo_canvas.cxx new file mode 100644 index 000000000000..9903dade4863 --- /dev/null +++ b/canvas/source/cairo/cairo_canvas.cxx @@ -0,0 +1,192 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 <osl/mutex.hxx> + +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> + +#include <toolkit/helper/vclunohelper.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/numeric/ftools.hxx> + +#include <vcl/sysdata.hxx> + +#include "cairo_canvas.hxx" + +using namespace ::cairo; +using namespace ::com::sun::star; + +namespace cairocanvas +{ + 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 + */ + VERBOSE_TRACE("Canvas created %p\n", this); + + ENSURE_ARG_OR_THROW( maArguments.getLength() >= 6 && + maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER && + maArguments[5].getValueTypeClass() == uno::TypeClass_SEQUENCE, + "Canvas::initialize: wrong number of arguments, or wrong types" ); + + // We expect a single Any here, containing a pointer to a valid + // VCL output device, on which to output (mostly needed for text) + sal_Int64 nPtr = 0; + maArguments[0] >>= nPtr; + OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr); + + ENSURE_ARG_OR_THROW( pOutDev != NULL, + "Canvas::initialize: invalid OutDev pointer" ); + + awt::Rectangle aBounds; + maArguments[2] >>= aBounds; + + uno::Sequence<sal_Int8> aSeq; + maArguments[5] >>= aSeq; + + const SystemGraphicsData* pSysData=reinterpret_cast<const SystemGraphicsData*>(aSeq.getConstArray()); + if( !pSysData || !pSysData->nSize ) + throw lang::NoSupportException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( + "Passed SystemGraphicsData invalid!")), + NULL); + + bool bHasXRender = IsCairoWorking(pOutDev); + ENSURE_ARG_OR_THROW( bHasXRender == true, + "SpriteCanvas::SpriteCanvas: No RENDER extension" ); + + // setup helper + maDeviceHelper.init( *this, + *pOutDev ); + + maCanvasHelper.init( basegfx::B2ISize(aBounds.Width, aBounds.Height), + *this, this ); + + // forward surface to render on to canvashelper + maCanvasHelper.setSurface( + maDeviceHelper.getSurface(), + false ); + + maArguments.realloc(0); + } + + Canvas::~Canvas() + { + OSL_TRACE( "CairoCanvas destroyed" ); + } + + void SAL_CALL Canvas::disposing() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + mxComponentContext.clear(); + + // forward to parent + CanvasBaseT::disposing(); + } + + ::rtl::OUString SAL_CALL Canvas::getServiceName( ) throw (uno::RuntimeException) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( CANVAS_SERVICE_NAME ) ); + } + + bool Canvas::repaint( const SurfaceSharedPtr& pSurface, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState ) + { + return maCanvasHelper.repaint( pSurface, viewState, renderState ); + } + + SurfaceSharedPtr Canvas::getSurface() + { + return maDeviceHelper.getSurface(); + } + + SurfaceSharedPtr Canvas::createSurface( const ::basegfx::B2ISize& rSize, Content aContent ) + { + return maDeviceHelper.createSurface( rSize, aContent ); + } + + SurfaceSharedPtr Canvas::createSurface( ::Bitmap& rBitmap ) + { + SurfaceSharedPtr pSurface; + + BitmapSystemData aData; + if( rBitmap.GetSystemData( aData ) ) { + const Size& rSize = rBitmap.GetSizePixel(); + + pSurface = maDeviceHelper.createSurface( aData, rSize ); + } + + return pSurface; + } + + SurfaceSharedPtr Canvas::changeSurface( bool, bool ) + { + // non-modifiable surface here + return SurfaceSharedPtr(); + } + + OutputDevice* Canvas::getOutputDevice() + { + return maDeviceHelper.getOutputDevice(); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |