| /************************************************************** |
| * |
| * 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 INCLUDED_CANVAS_ISURFACEPROXY_HXX |
| #define INCLUDED_CANVAS_ISURFACEPROXY_HXX |
| |
| #include <canvas/rendering/irendermodule.hxx> |
| |
| #include <boost/shared_ptr.hpp> |
| |
| namespace basegfx |
| { |
| class B2DRange; |
| class B2DPoint; |
| class B2DPolyPolygon; |
| class B2DHomMatrix; |
| } |
| |
| namespace canvas |
| { |
| struct ISurfaceProxy |
| { |
| virtual ~ISurfaceProxy() {} |
| |
| /** Notify the proxy that the color buffer has changed |
| */ |
| virtual void setColorBufferDirty() = 0; |
| |
| /** Render the surface content to screen. |
| |
| @param fAlpha |
| Overall alpha for content |
| |
| @param rPos |
| Output position |
| |
| @param rTransform |
| Output transformation (does not affect output position) |
| */ |
| virtual bool draw( double fAlpha, |
| const ::basegfx::B2DPoint& rPos, |
| const ::basegfx::B2DHomMatrix& rTransform ) = 0; |
| |
| /** Render the surface content to screen. |
| |
| @param fAlpha |
| Overall alpha for content |
| |
| @param rPos |
| Output position |
| |
| @param rArea |
| Subset of the surface to render. Coordinate system are |
| surface area pixel, given area will be clipped to the |
| surface bounds. |
| |
| @param rTransform |
| Output transformation (does not affect output position) |
| */ |
| virtual bool draw( double fAlpha, |
| const ::basegfx::B2DPoint& rPos, |
| const ::basegfx::B2DRange& rArea, |
| const ::basegfx::B2DHomMatrix& rTransform ) = 0; |
| |
| /** Render the surface content to screen. |
| |
| @param fAlpha |
| Overall alpha for content |
| |
| @param rPos |
| Output position |
| |
| @param rClipPoly |
| Clip polygon for the surface. The clip polygon is also |
| subject to the output transformation. |
| |
| @param rTransform |
| Output transformation (does not affect output position) |
| */ |
| virtual bool draw( double fAlpha, |
| const ::basegfx::B2DPoint& rPos, |
| const ::basegfx::B2DPolyPolygon& rClipPoly, |
| const ::basegfx::B2DHomMatrix& rTransform ) = 0; |
| }; |
| |
| typedef ::boost::shared_ptr< ISurfaceProxy > ISurfaceProxySharedPtr; |
| } |
| |
| #endif /* INCLUDED_CANVAS_ISURFACEPROXY_HXX */ |