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Diffstat (limited to 'canvas/source/vcl/cachedbitmap.cxx')
-rw-r--r-- | canvas/source/vcl/cachedbitmap.cxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/canvas/source/vcl/cachedbitmap.cxx b/canvas/source/vcl/cachedbitmap.cxx new file mode 100644 index 000000000000..70ca3a3e67ed --- /dev/null +++ b/canvas/source/vcl/cachedbitmap.cxx @@ -0,0 +1,104 @@ +/************************************************************************* + * + * 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 "cachedbitmap.hxx" +#include "repainttarget.hxx" + +#include <com/sun/star/rendering/RepaintResult.hpp> +#include <com/sun/star/rendering/XPolyPolygon2D.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/tools/canvastools.hxx> + + +using namespace ::com::sun::star; + +namespace vclcanvas +{ + CachedBitmap::CachedBitmap( const GraphicObjectSharedPtr& rGraphicObject, + const ::Point& rPoint, + const ::Size& rSize, + const GraphicAttr& rAttr, + const rendering::ViewState& rUsedViewState, + const rendering::RenderState& rUsedRenderState, + const uno::Reference< rendering::XCanvas >& rTarget ) : + CachedPrimitiveBase( rUsedViewState, rTarget, true ), + mpGraphicObject( rGraphicObject ), + maRenderState(rUsedRenderState), + maPoint( rPoint ), + maSize( rSize ), + maAttributes( rAttr ) + { + } + + void SAL_CALL CachedBitmap::disposing() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + mpGraphicObject.reset(); + + CachedPrimitiveBase::disposing(); + } + + ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState& rNewState, + const rendering::ViewState& rOldState, + const uno::Reference< rendering::XCanvas >& rTargetCanvas, + bool bSameViewTransform ) + { + ENSURE_OR_THROW( bSameViewTransform, + "CachedBitmap::doRedraw(): base called with changed view transform " + "(told otherwise during construction)" ); + + // TODO(P1): Could adapt to modified clips as well + if( rNewState.Clip != rOldState.Clip ) + return rendering::RepaintResult::FAILED; + + RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get()); + + ENSURE_OR_THROW( pTarget, + "CachedBitmap::redraw(): cannot cast target to RepaintTarget" ); + + if( !pTarget->repaint( mpGraphicObject, + rNewState, + maRenderState, + maPoint, + maSize, + maAttributes ) ) + { + // target failed to repaint + return rendering::RepaintResult::FAILED; + } + + return rendering::RepaintResult::REDRAWN; + } +} |