1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_cppcanvas.hxx" 26 27 #include <lineaction.hxx> 28 #include <outdevstate.hxx> 29 30 #include <rtl/logfile.hxx> 31 #include <com/sun/star/rendering/XCanvas.hpp> 32 33 #include <tools/gen.hxx> 34 #include <vcl/canvastools.hxx> 35 36 #include <basegfx/range/b2drange.hxx> 37 #include <basegfx/point/b2dpoint.hxx> 38 #include <basegfx/tools/canvastools.hxx> 39 #include <canvas/canvastools.hxx> 40 41 #include <boost/utility.hpp> 42 43 #include <cppcanvas/canvas.hxx> 44 45 #include <mtftools.hxx> 46 47 48 using namespace ::com::sun::star; 49 50 namespace cppcanvas 51 { 52 namespace internal 53 { 54 namespace 55 { 56 class LineAction : public Action, private ::boost::noncopyable 57 { 58 public: 59 LineAction( const ::basegfx::B2DPoint&, 60 const ::basegfx::B2DPoint&, 61 const CanvasSharedPtr&, 62 const OutDevState& ); 63 64 virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const; 65 virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation, 66 const Subset& rSubset ) const; 67 68 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const; 69 virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation, 70 const Subset& rSubset ) const; 71 72 virtual sal_Int32 getActionCount() const; 73 74 private: 75 ::basegfx::B2DPoint maStartPoint; 76 ::basegfx::B2DPoint maEndPoint; 77 CanvasSharedPtr mpCanvas; 78 rendering::RenderState maState; 79 }; 80 LineAction(const::basegfx::B2DPoint & rStartPoint,const::basegfx::B2DPoint & rEndPoint,const CanvasSharedPtr & rCanvas,const OutDevState & rState)81 LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint, 82 const ::basegfx::B2DPoint& rEndPoint, 83 const CanvasSharedPtr& rCanvas, 84 const OutDevState& rState ) : 85 maStartPoint( rStartPoint ), 86 maEndPoint( rEndPoint ), 87 mpCanvas( rCanvas ), 88 maState() 89 { 90 tools::initRenderState(maState,rState); 91 maState.DeviceColor = rState.lineColor; 92 } 93 render(const::basegfx::B2DHomMatrix & rTransformation) const94 bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const 95 { 96 RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::LineAction::render()" ); 97 RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::LineAction: 0x%X", this ); 98 99 rendering::RenderState aLocalState( maState ); 100 ::canvas::tools::prependToRenderState(aLocalState, rTransformation); 101 102 mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint), 103 ::basegfx::unotools::point2DFromB2DPoint(maEndPoint), 104 mpCanvas->getViewState(), 105 aLocalState ); 106 107 return true; 108 } 109 render(const::basegfx::B2DHomMatrix & rTransformation,const Subset & rSubset) const110 bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation, 111 const Subset& rSubset ) const 112 { 113 // line only contains a single action, fail if subset 114 // requests different range 115 if( rSubset.mnSubsetBegin != 0 || 116 rSubset.mnSubsetEnd != 1 ) 117 return false; 118 119 return render( rTransformation ); 120 } 121 getBounds(const::basegfx::B2DHomMatrix & rTransformation) const122 ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const 123 { 124 rendering::RenderState aLocalState( maState ); 125 ::canvas::tools::prependToRenderState(aLocalState, rTransformation); 126 127 return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint, 128 maEndPoint ), 129 mpCanvas->getViewState(), 130 aLocalState ); 131 } 132 getBounds(const::basegfx::B2DHomMatrix & rTransformation,const Subset & rSubset) const133 ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation, 134 const Subset& rSubset ) const 135 { 136 // line only contains a single action, empty bounds 137 // if subset requests different range 138 if( rSubset.mnSubsetBegin != 0 || 139 rSubset.mnSubsetEnd != 1 ) 140 return ::basegfx::B2DRange(); 141 142 return getBounds( rTransformation ); 143 } 144 getActionCount() const145 sal_Int32 LineAction::getActionCount() const 146 { 147 return 1; 148 } 149 } 150 createLineAction(const::basegfx::B2DPoint & rStartPoint,const::basegfx::B2DPoint & rEndPoint,const CanvasSharedPtr & rCanvas,const OutDevState & rState)151 ActionSharedPtr LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint, 152 const ::basegfx::B2DPoint& rEndPoint, 153 const CanvasSharedPtr& rCanvas, 154 const OutDevState& rState ) 155 { 156 return ActionSharedPtr( new LineAction( rStartPoint, 157 rEndPoint, 158 rCanvas, 159 rState) ); 160 } 161 162 } 163 } 164