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Diffstat (limited to 'canvas/source/vcl/canvasbitmap.cxx')
-rw-r--r-- | canvas/source/vcl/canvasbitmap.cxx | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/canvas/source/vcl/canvasbitmap.cxx b/canvas/source/vcl/canvasbitmap.cxx new file mode 100644 index 000000000000..38008e86ba87 --- /dev/null +++ b/canvas/source/vcl/canvasbitmap.cxx @@ -0,0 +1,144 @@ +/************************************************************************* + * + * 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 <tools/diagnose_ex.h> +#include "canvasbitmap.hxx" + +#include <vcl/bmpacc.hxx> + +using namespace ::com::sun::star; + + +namespace vclcanvas +{ + // Currently, the only way to generate an XBitmap is from + // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even + // take a bitmap here, but a VDev directly. + CanvasBitmap::CanvasBitmap( const ::Size& rSize, + bool bAlphaBitmap, + rendering::XGraphicDevice& rDevice, + const OutDevProviderSharedPtr& rOutDevProvider ) + { + // create bitmap for given reference device + // ======================================== + const USHORT nBitCount( (USHORT)24U ); + const BitmapPalette* pPalette = NULL; + + Bitmap aBitmap( rSize, nBitCount, pPalette ); + + // only create alpha channel bitmap, if factory requested + // that. Providing alpha-channeled bitmaps by default has, + // especially under VCL, a huge performance penalty (have to + // use alpha VDev, then). + if( bAlphaBitmap ) + { + AlphaMask aAlpha ( rSize ); + + maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ), + rDevice, + rOutDevProvider ); + } + else + { + maCanvasHelper.init( BitmapEx( aBitmap ), + rDevice, + rOutDevProvider ); + } + } + + CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap, + rendering::XGraphicDevice& rDevice, + const OutDevProviderSharedPtr& rOutDevProvider ) + { + maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider ); + } + + void SAL_CALL CanvasBitmap::disposing() + { + // forward to base + CanvasBitmap_Base::disposing(); + } + +#define IMPLEMENTATION_NAME "VCLCanvas.CanvasBitmap" +#define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap" + + ::rtl::OUString SAL_CALL CanvasBitmap::getImplementationName( ) throw (uno::RuntimeException) + { + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); + } + + sal_Bool SAL_CALL CanvasBitmap::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException) + { + return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); + } + + uno::Sequence< ::rtl::OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException) + { + uno::Sequence< ::rtl::OUString > aRet(1); + aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); + + return aRet; + } + + BitmapEx CanvasBitmap::getBitmap() const + { + tools::LocalGuard aGuard; + + // TODO(T3): Rework to use shared_ptr all over the place for + // BmpEx. This is highly un-threadsafe + return maCanvasHelper.getBitmap(); + } + + bool CanvasBitmap::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; + + mbSurfaceDirty = true; + + return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); + } + + uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException) + { + if( nHandle == 0 ) { + BitmapEx* pBitmapEx = new BitmapEx( getBitmap() ); + + return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) ); + } + + return uno::Any( sal_Int64(0) ); + } +} |