1*25b11142SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*25b11142SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*25b11142SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*25b11142SAndrew Rist * distributed with this work for additional information 6*25b11142SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*25b11142SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*25b11142SAndrew Rist * "License"); you may not use this file except in compliance 9*25b11142SAndrew Rist * with the License. You may obtain a copy of the License at 10*25b11142SAndrew Rist * 11*25b11142SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*25b11142SAndrew Rist * 13*25b11142SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*25b11142SAndrew Rist * software distributed under the License is distributed on an 15*25b11142SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*25b11142SAndrew Rist * KIND, either express or implied. See the License for the 17*25b11142SAndrew Rist * specific language governing permissions and limitations 18*25b11142SAndrew Rist * under the License. 19*25b11142SAndrew Rist * 20*25b11142SAndrew Rist *************************************************************/ 21*25b11142SAndrew Rist 22*25b11142SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_cppcanvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <rtl/logfile.hxx> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include <com/sun/star/rendering/RepaintResult.hpp> 30cdf0e10cSrcweir 31cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx> 32cdf0e10cSrcweir #include <canvas/canvastools.hxx> 33cdf0e10cSrcweir #include <cppcanvas/canvas.hxx> 34cdf0e10cSrcweir 35cdf0e10cSrcweir #include "cachedprimitivebase.hxx" 36cdf0e10cSrcweir 37cdf0e10cSrcweir using namespace ::com::sun::star; 38cdf0e10cSrcweir 39cdf0e10cSrcweir namespace cppcanvas 40cdf0e10cSrcweir { 41cdf0e10cSrcweir namespace internal 42cdf0e10cSrcweir { CachedPrimitiveBase(const CanvasSharedPtr & rCanvas,bool bOnlyRedrawWithSameTransform)43cdf0e10cSrcweir CachedPrimitiveBase::CachedPrimitiveBase( const CanvasSharedPtr& rCanvas, 44cdf0e10cSrcweir bool bOnlyRedrawWithSameTransform ) : 45cdf0e10cSrcweir mpCanvas( rCanvas ), 46cdf0e10cSrcweir mxCachedPrimitive(), 47cdf0e10cSrcweir maLastTransformation(), 48cdf0e10cSrcweir mbOnlyRedrawWithSameTransform( bOnlyRedrawWithSameTransform ) 49cdf0e10cSrcweir { 50cdf0e10cSrcweir // TODO(F2): also store last view transform, and refuse to 51cdf0e10cSrcweir // redraw if changed. 52cdf0e10cSrcweir } 53cdf0e10cSrcweir render(const::basegfx::B2DHomMatrix & rTransformation) const54cdf0e10cSrcweir bool CachedPrimitiveBase::render( const ::basegfx::B2DHomMatrix& rTransformation ) const 55cdf0e10cSrcweir { 56cdf0e10cSrcweir RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::CachedPrimitiveBase::render()" ); 57cdf0e10cSrcweir RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::CachedPrimitiveBase: 0x%X", this ); 58cdf0e10cSrcweir 59cdf0e10cSrcweir const rendering::ViewState& rViewState( mpCanvas->getViewState() ); 60cdf0e10cSrcweir ::basegfx::B2DHomMatrix aTotalTransform; 61cdf0e10cSrcweir 62cdf0e10cSrcweir ::canvas::tools::getViewStateTransform( aTotalTransform, 63cdf0e10cSrcweir rViewState ); 64cdf0e10cSrcweir aTotalTransform *= rTransformation; 65cdf0e10cSrcweir 66cdf0e10cSrcweir // can we use the cached primitive? For that, it must be 67cdf0e10cSrcweir // present in the first place, and, if 68cdf0e10cSrcweir // mbOnlyRedrawWithSameTransform is true, the overall 69cdf0e10cSrcweir // transformation must be the same. 70cdf0e10cSrcweir if( mxCachedPrimitive.is() && 71cdf0e10cSrcweir (!mbOnlyRedrawWithSameTransform || 72cdf0e10cSrcweir maLastTransformation == aTotalTransform) ) 73cdf0e10cSrcweir { 74cdf0e10cSrcweir if( mxCachedPrimitive->redraw( rViewState ) == 75cdf0e10cSrcweir rendering::RepaintResult::REDRAWN ) 76cdf0e10cSrcweir { 77cdf0e10cSrcweir // cached repaint succeeded, done. 78cdf0e10cSrcweir return true; 79cdf0e10cSrcweir } 80cdf0e10cSrcweir } 81cdf0e10cSrcweir 82cdf0e10cSrcweir maLastTransformation = aTotalTransform; 83cdf0e10cSrcweir 84cdf0e10cSrcweir // delegate rendering to derived classes 85cdf0e10cSrcweir return render( mxCachedPrimitive, 86cdf0e10cSrcweir rTransformation ); 87cdf0e10cSrcweir } 88cdf0e10cSrcweir } 89cdf0e10cSrcweir } 90