1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef INCLUDED_CANVAS_SURFACEPROXY_HXX 25*b1cdbd2cSJim Jagielski #define INCLUDED_CANVAS_SURFACEPROXY_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include <canvas/rendering/isurfaceproxy.hxx> 28*b1cdbd2cSJim Jagielski #include <canvas/rendering/icolorbuffer.hxx> 29*b1cdbd2cSJim Jagielski 30*b1cdbd2cSJim Jagielski #include "pagemanager.hxx" 31*b1cdbd2cSJim Jagielski #include "surface.hxx" 32*b1cdbd2cSJim Jagielski 33*b1cdbd2cSJim Jagielski namespace canvas 34*b1cdbd2cSJim Jagielski { 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski ////////////////////////////////////////////////////////////////////////////////// 37*b1cdbd2cSJim Jagielski // SurfaceProxy 38*b1cdbd2cSJim Jagielski ////////////////////////////////////////////////////////////////////////////////// 39*b1cdbd2cSJim Jagielski 40*b1cdbd2cSJim Jagielski /** Definition of the surface proxy class. 41*b1cdbd2cSJim Jagielski 42*b1cdbd2cSJim Jagielski Surface proxies are the connection between *one* source image 43*b1cdbd2cSJim Jagielski and *one or more* hardware surfaces (or textures). in a 44*b1cdbd2cSJim Jagielski logical structure surface proxies represent soley this 45*b1cdbd2cSJim Jagielski dependeny plus some simple cache management. 46*b1cdbd2cSJim Jagielski */ 47*b1cdbd2cSJim Jagielski class SurfaceProxy : public ISurfaceProxy 48*b1cdbd2cSJim Jagielski { 49*b1cdbd2cSJim Jagielski public: 50*b1cdbd2cSJim Jagielski 51*b1cdbd2cSJim Jagielski SurfaceProxy( const canvas::IColorBufferSharedPtr& pBuffer, 52*b1cdbd2cSJim Jagielski const PageManagerSharedPtr &pPageManager ); 53*b1cdbd2cSJim Jagielski 54*b1cdbd2cSJim Jagielski // ISurfaceProxy interface 55*b1cdbd2cSJim Jagielski virtual void setColorBufferDirty(); 56*b1cdbd2cSJim Jagielski 57*b1cdbd2cSJim Jagielski /** Render the surface content to screen. 58*b1cdbd2cSJim Jagielski 59*b1cdbd2cSJim Jagielski @param fAlpha 60*b1cdbd2cSJim Jagielski Overall alpha for content 61*b1cdbd2cSJim Jagielski 62*b1cdbd2cSJim Jagielski @param rPos 63*b1cdbd2cSJim Jagielski Output position 64*b1cdbd2cSJim Jagielski 65*b1cdbd2cSJim Jagielski @param rTransform 66*b1cdbd2cSJim Jagielski Output transformation (does not affect output position) 67*b1cdbd2cSJim Jagielski */ 68*b1cdbd2cSJim Jagielski virtual bool draw( double fAlpha, 69*b1cdbd2cSJim Jagielski const ::basegfx::B2DPoint& rPos, 70*b1cdbd2cSJim Jagielski const ::basegfx::B2DHomMatrix& rTransform ); 71*b1cdbd2cSJim Jagielski 72*b1cdbd2cSJim Jagielski /** Render the surface content to screen. 73*b1cdbd2cSJim Jagielski 74*b1cdbd2cSJim Jagielski @param fAlpha 75*b1cdbd2cSJim Jagielski Overall alpha for content 76*b1cdbd2cSJim Jagielski 77*b1cdbd2cSJim Jagielski @param rPos 78*b1cdbd2cSJim Jagielski Output position 79*b1cdbd2cSJim Jagielski 80*b1cdbd2cSJim Jagielski @param rArea 81*b1cdbd2cSJim Jagielski Subset of the surface to render. Coordinate system are 82*b1cdbd2cSJim Jagielski surface area pixel, given area will be clipped to the 83*b1cdbd2cSJim Jagielski surface bounds. 84*b1cdbd2cSJim Jagielski 85*b1cdbd2cSJim Jagielski @param rTransform 86*b1cdbd2cSJim Jagielski Output transformation (does not affect output position) 87*b1cdbd2cSJim Jagielski */ 88*b1cdbd2cSJim Jagielski virtual bool draw( double fAlpha, 89*b1cdbd2cSJim Jagielski const ::basegfx::B2DPoint& rPos, 90*b1cdbd2cSJim Jagielski const ::basegfx::B2DRange& rArea, 91*b1cdbd2cSJim Jagielski const ::basegfx::B2DHomMatrix& rTransform ); 92*b1cdbd2cSJim Jagielski 93*b1cdbd2cSJim Jagielski /** Render the surface content to screen. 94*b1cdbd2cSJim Jagielski 95*b1cdbd2cSJim Jagielski @param fAlpha 96*b1cdbd2cSJim Jagielski Overall alpha for content 97*b1cdbd2cSJim Jagielski 98*b1cdbd2cSJim Jagielski @param rPos 99*b1cdbd2cSJim Jagielski Output position 100*b1cdbd2cSJim Jagielski 101*b1cdbd2cSJim Jagielski @param rClipPoly 102*b1cdbd2cSJim Jagielski Clip polygon for the surface. The clip polygon is also 103*b1cdbd2cSJim Jagielski subject to the output transformation. 104*b1cdbd2cSJim Jagielski 105*b1cdbd2cSJim Jagielski @param rTransform 106*b1cdbd2cSJim Jagielski Output transformation (does not affect output position) 107*b1cdbd2cSJim Jagielski */ 108*b1cdbd2cSJim Jagielski virtual bool draw( double fAlpha, 109*b1cdbd2cSJim Jagielski const ::basegfx::B2DPoint& rPos, 110*b1cdbd2cSJim Jagielski const ::basegfx::B2DPolyPolygon& rClipPoly, 111*b1cdbd2cSJim Jagielski const ::basegfx::B2DHomMatrix& rTransform ); 112*b1cdbd2cSJim Jagielski 113*b1cdbd2cSJim Jagielski private: 114*b1cdbd2cSJim Jagielski PageManagerSharedPtr mpPageManager; 115*b1cdbd2cSJim Jagielski 116*b1cdbd2cSJim Jagielski // the pagemanager will distribute the image 117*b1cdbd2cSJim Jagielski // to one or more surfaces, this is why we 118*b1cdbd2cSJim Jagielski // need a list here. 119*b1cdbd2cSJim Jagielski std::vector<SurfaceSharedPtr> maSurfaceList; 120*b1cdbd2cSJim Jagielski 121*b1cdbd2cSJim Jagielski // pointer to the source of image data 122*b1cdbd2cSJim Jagielski // which always is stored in system memory, 123*b1cdbd2cSJim Jagielski // 32bit rgba and can have any size. 124*b1cdbd2cSJim Jagielski canvas::IColorBufferSharedPtr mpBuffer; 125*b1cdbd2cSJim Jagielski }; 126*b1cdbd2cSJim Jagielski 127*b1cdbd2cSJim Jagielski typedef ::boost::shared_ptr< SurfaceProxy > SurfaceProxySharedPtr; 128*b1cdbd2cSJim Jagielski } 129*b1cdbd2cSJim Jagielski 130*b1cdbd2cSJim Jagielski #endif 131