| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _VCLCANVAS_BACKBUFFER_HXX_ |
| #define _VCLCANVAS_BACKBUFFER_HXX_ |
| |
| #include <vcl/virdev.hxx> |
| |
| #include <canvas/vclwrapper.hxx> |
| #include "outdevprovider.hxx" |
| |
| #include <boost/shared_ptr.hpp> |
| |
| |
| namespace vclcanvas |
| { |
| /// Background buffer abstraction |
| class BackBuffer : public OutDevProvider |
| { |
| public: |
| /** Create a backbuffer for given reference device |
| |
| @param bMonochromeBuffer |
| When false, default depth of reference device is |
| chosen. When true, the buffer will be monochrome, i.e. one |
| bit deep. |
| */ |
| BackBuffer( const OutputDevice& rRefDevice, |
| bool bMonochromeBuffer=false ); |
| |
| virtual OutputDevice& getOutDev(); |
| virtual const OutputDevice& getOutDev() const; |
| |
| void setSize( const ::Size& rNewSize ); |
| |
| private: |
| ::canvas::vcltools::VCLObject<VirtualDevice> maVDev; |
| }; |
| |
| typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr; |
| } |
| |
| #endif /* #ifndef _VCLCANVAS_BACKBUFFER_HXX_ */ |