135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: slidebitmap.cxx,v $
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* $Revision: 1.12 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_slideshow.hxx"
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// must be first
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#include <canvas/debug.hxx>
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#include <tools/diagnose_ex.h>
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#include <slidebitmap.hxx>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/rendering/XBitmap.hpp>
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#include <comphelper/anytostring.hxx>
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#include <cppuhelper/exc_hlp.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <canvas/canvastools.hxx>
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#include <basegfx/tools/canvastools.hxx>
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using namespace ::com::sun::star;
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namespace slideshow
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{
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namespace internal
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{
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SlideBitmap::SlideBitmap( const ::cppcanvas::BitmapSharedPtr& rBitmap ) :
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maOutputPos(),
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maClipPoly(),
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mxBitmap()
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{
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if( rBitmap )
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mxBitmap = rBitmap->getUNOBitmap();
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ENSURE_OR_THROW( mxBitmap.is(), "SlideBitmap::SlideBitmap(): Invalid bitmap" );
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}
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bool SlideBitmap::draw( const ::cppcanvas::CanvasSharedPtr& rCanvas ) const
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{
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ENSURE_OR_RETURN( rCanvas && rCanvas->getUNOCanvas().is(),
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"SlideBitmap::draw(): Invalid canvas" );
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// selectively only copy the transformation from current viewstate,
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// don't want no clipping here.
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rendering::ViewState aViewState;
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aViewState.AffineTransform = rCanvas->getViewState().AffineTransform;
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rendering::RenderState aRenderState;
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::canvas::tools::initRenderState( aRenderState );
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const basegfx::B2DHomMatrix aTranslation(basegfx::tools::createTranslateB2DHomMatrix(maOutputPos));
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::canvas::tools::setRenderStateTransform( aRenderState, aTranslation );
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try
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{
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if( maClipPoly.count() )
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{
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// TODO(P1): Buffer the clip polygon
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aRenderState.Clip =
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::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
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rCanvas->getUNOCanvas()->getDevice(),
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maClipPoly );
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}
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rCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
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aViewState,
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aRenderState );
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}
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catch( uno::Exception& )
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{
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OSL_ENSURE( false,
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rtl::OUStringToOString(
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comphelper::anyToString( cppu::getCaughtException() ),
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RTL_TEXTENCODING_UTF8 ).getStr() );
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return false;
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}
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return true;
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}
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::basegfx::B2ISize SlideBitmap::getSize() const
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{
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return ::basegfx::unotools::b2ISizeFromIntegerSize2D( mxBitmap->getSize() );
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}
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void SlideBitmap::move( const ::basegfx::B2DPoint& rNewPos )
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{
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maOutputPos = rNewPos;
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}
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void SlideBitmap::clip( const ::basegfx::B2DPolyPolygon& rClipPoly )
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{
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maClipPoly = rClipPoly;
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}
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::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmap > SlideBitmap::getXBitmap()
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{
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return mxBitmap;
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}
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}
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}
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