1*91c99ff4SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*91c99ff4SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*91c99ff4SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*91c99ff4SAndrew Rist * distributed with this work for additional information 6*91c99ff4SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*91c99ff4SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*91c99ff4SAndrew Rist * "License"); you may not use this file except in compliance 9*91c99ff4SAndrew Rist * with the License. You may obtain a copy of the License at 10*91c99ff4SAndrew Rist * 11*91c99ff4SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*91c99ff4SAndrew Rist * 13*91c99ff4SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*91c99ff4SAndrew Rist * software distributed under the License is distributed on an 15*91c99ff4SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*91c99ff4SAndrew Rist * KIND, either express or implied. See the License for the 17*91c99ff4SAndrew Rist * specific language governing permissions and limitations 18*91c99ff4SAndrew Rist * under the License. 19*91c99ff4SAndrew Rist * 20*91c99ff4SAndrew Rist *************************************************************/ 21*91c99ff4SAndrew Rist 22*91c99ff4SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef INCLUDED_CANVAS_ISURFACE_HXX 25cdf0e10cSrcweir #define INCLUDED_CANVAS_ISURFACE_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <sal/types.h> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 30cdf0e10cSrcweir 31cdf0e10cSrcweir 32cdf0e10cSrcweir namespace basegfx 33cdf0e10cSrcweir { 34cdf0e10cSrcweir class B2IRange; 35cdf0e10cSrcweir class B2IPoint; 36cdf0e10cSrcweir class B2IVector; 37cdf0e10cSrcweir } 38cdf0e10cSrcweir 39cdf0e10cSrcweir namespace canvas 40cdf0e10cSrcweir { 41cdf0e10cSrcweir struct IColorBuffer; 42cdf0e10cSrcweir 43cdf0e10cSrcweir struct ISurface 44cdf0e10cSrcweir { ~ISurfacecanvas::ISurface45cdf0e10cSrcweir virtual ~ISurface() {} 46cdf0e10cSrcweir 47cdf0e10cSrcweir /** Select texture behind this interface to be the current one 48cdf0e10cSrcweir for primitive output. 49cdf0e10cSrcweir */ 50cdf0e10cSrcweir virtual bool selectTexture() = 0; 51cdf0e10cSrcweir 52cdf0e10cSrcweir /** Tells wether the surface is valid or not 53cdf0e10cSrcweir */ 54cdf0e10cSrcweir virtual bool isValid() = 0; 55cdf0e10cSrcweir 56cdf0e10cSrcweir /** Update surface content from given IColorBuffer 57cdf0e10cSrcweir 58cdf0e10cSrcweir This method updates the given subarea of the surface from 59cdf0e10cSrcweir the given color buffer bits. 60cdf0e10cSrcweir 61cdf0e10cSrcweir @param rDestPos 62cdf0e10cSrcweir Position in the surface, where the subset update should 63cdf0e10cSrcweir have its left, top edge 64cdf0e10cSrcweir 65cdf0e10cSrcweir @param rSourceRect 66cdf0e10cSrcweir Size and position of the rectangular subset update in the 67cdf0e10cSrcweir source color buffer 68cdf0e10cSrcweir 69cdf0e10cSrcweir @param rSource 70cdf0e10cSrcweir Source bits to use for the update 71cdf0e10cSrcweir 72cdf0e10cSrcweir @return true, if the update was successful 73cdf0e10cSrcweir */ 74cdf0e10cSrcweir virtual bool update( const ::basegfx::B2IPoint& rDestPos, 75cdf0e10cSrcweir const ::basegfx::B2IRange& rSourceRect, 76cdf0e10cSrcweir IColorBuffer& rSource ) = 0; 77cdf0e10cSrcweir 78cdf0e10cSrcweir virtual ::basegfx::B2IVector getSize() = 0; 79cdf0e10cSrcweir }; 80cdf0e10cSrcweir 81cdf0e10cSrcweir typedef ::boost::shared_ptr< ISurface > ISurfaceSharedPtr; 82cdf0e10cSrcweir } 83cdf0e10cSrcweir 84cdf0e10cSrcweir #endif /* INCLUDED_CANVAS_ISURFACE_HXX */ 85