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_ICACHEDPRIMITIVE_HXX 25 #define INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX 26 27 #include <sal/types.h> 28 29 #include <boost/shared_ptr.hpp> 30 31 32 namespace basegfx 33 { 34 class B2IRange; 35 class B2IPoint; 36 } 37 38 namespace canvas 39 { 40 /** Objects with this interface are returned from every Bitmap 41 render operation. 42 43 These objects can be used to implement the 44 rendering::XCachedPrimitive interface, which in turn caches 45 render state and objects to facilitate quick redraws. 46 */ 47 struct ICachedPrimitive 48 { ~ICachedPrimitivecanvas::ICachedPrimitive49 virtual ~ICachedPrimitive() {} 50 51 /** Redraw the primitive with the given view state 52 53 Note that the primitive will <em>always</em> be redrawn on 54 the bitmap it was created from. 55 */ 56 virtual sal_Int8 redraw( const ::com::sun::star::rendering::ViewState& aState ) const = 0; 57 }; 58 59 typedef ::boost::shared_ptr< ICachedPrimitive > ICachedPrimitiveSharedPtr; 60 } 61 62 #endif /* INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX */ 63