1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_cppcanvas.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <rtl/logfile.hxx> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #include <com/sun/star/rendering/RepaintResult.hpp> 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx> 36*cdf0e10cSrcweir #include <canvas/canvastools.hxx> 37*cdf0e10cSrcweir #include <cppcanvas/canvas.hxx> 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir #include "cachedprimitivebase.hxx" 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir using namespace ::com::sun::star; 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir namespace cppcanvas 44*cdf0e10cSrcweir { 45*cdf0e10cSrcweir namespace internal 46*cdf0e10cSrcweir { 47*cdf0e10cSrcweir CachedPrimitiveBase::CachedPrimitiveBase( const CanvasSharedPtr& rCanvas, 48*cdf0e10cSrcweir bool bOnlyRedrawWithSameTransform ) : 49*cdf0e10cSrcweir mpCanvas( rCanvas ), 50*cdf0e10cSrcweir mxCachedPrimitive(), 51*cdf0e10cSrcweir maLastTransformation(), 52*cdf0e10cSrcweir mbOnlyRedrawWithSameTransform( bOnlyRedrawWithSameTransform ) 53*cdf0e10cSrcweir { 54*cdf0e10cSrcweir // TODO(F2): also store last view transform, and refuse to 55*cdf0e10cSrcweir // redraw if changed. 56*cdf0e10cSrcweir } 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir bool CachedPrimitiveBase::render( const ::basegfx::B2DHomMatrix& rTransformation ) const 59*cdf0e10cSrcweir { 60*cdf0e10cSrcweir RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::CachedPrimitiveBase::render()" ); 61*cdf0e10cSrcweir RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::CachedPrimitiveBase: 0x%X", this ); 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir const rendering::ViewState& rViewState( mpCanvas->getViewState() ); 64*cdf0e10cSrcweir ::basegfx::B2DHomMatrix aTotalTransform; 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir ::canvas::tools::getViewStateTransform( aTotalTransform, 67*cdf0e10cSrcweir rViewState ); 68*cdf0e10cSrcweir aTotalTransform *= rTransformation; 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir // can we use the cached primitive? For that, it must be 71*cdf0e10cSrcweir // present in the first place, and, if 72*cdf0e10cSrcweir // mbOnlyRedrawWithSameTransform is true, the overall 73*cdf0e10cSrcweir // transformation must be the same. 74*cdf0e10cSrcweir if( mxCachedPrimitive.is() && 75*cdf0e10cSrcweir (!mbOnlyRedrawWithSameTransform || 76*cdf0e10cSrcweir maLastTransformation == aTotalTransform) ) 77*cdf0e10cSrcweir { 78*cdf0e10cSrcweir if( mxCachedPrimitive->redraw( rViewState ) == 79*cdf0e10cSrcweir rendering::RepaintResult::REDRAWN ) 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir // cached repaint succeeded, done. 82*cdf0e10cSrcweir return true; 83*cdf0e10cSrcweir } 84*cdf0e10cSrcweir } 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir maLastTransformation = aTotalTransform; 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir // delegate rendering to derived classes 89*cdf0e10cSrcweir return render( mxCachedPrimitive, 90*cdf0e10cSrcweir rTransformation ); 91*cdf0e10cSrcweir } 92*cdf0e10cSrcweir } 93*cdf0e10cSrcweir } 94