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 #ifndef INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX 25 #define INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX 26 27 #include <com/sun/star/lang/XServiceInfo.hpp> 28 #include <com/sun/star/rendering/XGraphicDevice.hpp> 29 #include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp> 30 #include <cppuhelper/compbase2.hxx> 31 #include <comphelper/broadcasthelper.hxx> 32 #include <basegfx/polygon/b2dpolygon.hxx> 33 34 #include <boost/utility.hpp> 35 #include <canvas/canvastoolsdllapi.h> 36 37 namespace basegfx 38 { 39 class B2DPolygon; 40 class B2DHomMatrix; 41 } 42 43 44 /* Definition of ParametricPolyPolygon class */ 45 46 namespace canvas 47 { 48 typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XParametricPolyPolygon2D, 49 ::com::sun::star::lang::XServiceInfo > ParametricPolyPolygon_Base; 50 51 class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon : public ::comphelper::OBaseMutex, 52 public ParametricPolyPolygon_Base, 53 private ::boost::noncopyable 54 { 55 public: 56 enum GradientType 57 { 58 GRADIENT_LINEAR, 59 GRADIENT_ELLIPTICAL, 60 GRADIENT_RECTANGULAR 61 }; 62 63 /** Structure of defining values for the ParametricPolyPolygon 64 65 This is used to copy the state of the 66 ParametricPolyPolygon atomically. 67 */ 68 struct Values 69 { Valuescanvas::ParametricPolyPolygon::Values70 Values( const ::basegfx::B2DPolygon& rGradientPoly, 71 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& rColors, 72 const ::com::sun::star::uno::Sequence< double >& rStops, 73 double nAspectRatio, 74 GradientType eType ) : 75 maGradientPoly( rGradientPoly ), 76 mnAspectRatio( nAspectRatio ), 77 maColors( rColors ), 78 maStops( rStops ), 79 meType( eType ) 80 { 81 } 82 83 /// Polygonal gradient shape (ignored for linear and axial gradient) 84 const ::basegfx::B2DPolygon maGradientPoly; 85 86 /// Aspect ratio of gradient, affects scaling of innermost gradient polygon 87 const double mnAspectRatio; 88 89 /// Gradient colors 90 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > > maColors; 91 92 /// Gradient color stops 93 const ::com::sun::star::uno::Sequence< double > maStops; 94 95 /// Type of gradient to render (as e.g. linear grads are not represented by maGradientPoly) 96 const GradientType meType; 97 }; 98 99 static ::com::sun::star::uno::Sequence< ::rtl::OUString > getAvailableServiceNames(); 100 static ParametricPolyPolygon* create( 101 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice, 102 const ::rtl::OUString& rServiceName, 103 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& rArgs ); 104 105 /// Dispose all internal references 106 virtual void SAL_CALL disposing(); 107 108 // XParametricPolyPolygon2D 109 virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL getOutline( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 110 virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getColor( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 111 virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getPointColor( const ::com::sun::star::geometry::RealPoint2D& point ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 112 virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XColorSpace > SAL_CALL getColorSpace() throw (::com::sun::star::uno::RuntimeException); 113 114 // XServiceInfo 115 virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException); 116 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException); 117 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException); 118 119 /// Query all defining values of this object atomically 120 Values getValues() const; 121 122 protected: 123 ~ParametricPolyPolygon(); // we're a ref-counted UNO class. _We_ destroy ourselves. 124 125 private: 126 static ParametricPolyPolygon* createLinearHorizontalGradient( const ::com::sun::star::uno::Reference< 127 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 128 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 129 const ::com::sun::star::uno::Sequence< double >& stops ); 130 static ParametricPolyPolygon* createEllipticalGradient( const ::com::sun::star::uno::Reference< 131 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 132 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 133 const ::com::sun::star::uno::Sequence< double >& stops, 134 double fAspect ); 135 static ParametricPolyPolygon* createRectangularGradient( const ::com::sun::star::uno::Reference< 136 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 137 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 138 const ::com::sun::star::uno::Sequence< double >& stops, 139 double fAspect ); 140 141 /// Private, because objects can only be created from the static factories 142 ParametricPolyPolygon( const ::com::sun::star::uno::Reference< 143 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 144 const ::basegfx::B2DPolygon& rGradientPoly, 145 GradientType eType, 146 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 147 const ::com::sun::star::uno::Sequence< double >& stops ); 148 ParametricPolyPolygon( const ::com::sun::star::uno::Reference< 149 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 150 const ::basegfx::B2DPolygon& rGradientPoly, 151 GradientType eType, 152 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 153 const ::com::sun::star::uno::Sequence< double >& stops, 154 double nAspectRatio ); 155 ParametricPolyPolygon( const ::com::sun::star::uno::Reference< 156 ::com::sun::star::rendering::XGraphicDevice >& rDevice, 157 GradientType eType, 158 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors, 159 const ::com::sun::star::uno::Sequence< double >& stops ); 160 161 ::com::sun::star::uno::Reference< 162 ::com::sun::star::rendering::XGraphicDevice > mxDevice; 163 164 /// All defining values of this object 165 const Values maValues; 166 }; 167 } 168 169 #endif /* INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX */ 170