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 _CAIROCANVAS_SURFACEPROVIDER_HXX 25cdf0e10cSrcweir #define _CAIROCANVAS_SURFACEPROVIDER_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <rtl/ref.hxx> 28cdf0e10cSrcweir #include <com/sun/star/uno/XInterface.hpp> 29cdf0e10cSrcweir 30cdf0e10cSrcweir #include "cairo_cairo.hxx" 31cdf0e10cSrcweir 32cdf0e10cSrcweir using namespace ::cairo; 33cdf0e10cSrcweir 34cdf0e10cSrcweir class OutputDevice; 35cdf0e10cSrcweir class Bitmap; 36cdf0e10cSrcweir 37cdf0e10cSrcweir namespace cairocanvas 38cdf0e10cSrcweir { 39cdf0e10cSrcweir class Bitmap; 40cdf0e10cSrcweir 41cdf0e10cSrcweir /* Definition of RepaintTarget interface */ 42cdf0e10cSrcweir 43cdf0e10cSrcweir /** Target interface for XCachedPrimitive implementations 44cdf0e10cSrcweir 45cdf0e10cSrcweir This interface must be implemented on all canvas 46cdf0e10cSrcweir implementations that hand out XCachedPrimitives 47cdf0e10cSrcweir */ 48cdf0e10cSrcweir class SurfaceProvider : public ::com::sun::star::uno::XInterface 49cdf0e10cSrcweir { 50cdf0e10cSrcweir public: ~SurfaceProvider()51cdf0e10cSrcweir virtual ~SurfaceProvider() {} 52cdf0e10cSrcweir 53cdf0e10cSrcweir /** Query surface from this provider 54cdf0e10cSrcweir 55cdf0e10cSrcweir This should return the default surface to render on. 56cdf0e10cSrcweir */ 57cdf0e10cSrcweir virtual SurfaceSharedPtr getSurface() = 0; 58cdf0e10cSrcweir 59cdf0e10cSrcweir /// create new surface in given size 60cdf0e10cSrcweir virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, 61cdf0e10cSrcweir Content aContent = CAIRO_CONTENT_COLOR_ALPHA ) = 0; 62cdf0e10cSrcweir /// create new surface from given bitmap 63cdf0e10cSrcweir virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0; 64cdf0e10cSrcweir 65cdf0e10cSrcweir /** convert surface between alpha and non-alpha 66cdf0e10cSrcweir channel. returns new surface on success, NULL otherwise 67cdf0e10cSrcweir */ 68cdf0e10cSrcweir virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ) = 0; 69cdf0e10cSrcweir 70cdf0e10cSrcweir /** Provides the underlying vcl outputdevice this surface renders on 71cdf0e10cSrcweir */ 72cdf0e10cSrcweir virtual OutputDevice* getOutputDevice() = 0; 73cdf0e10cSrcweir }; 74cdf0e10cSrcweir 75cdf0e10cSrcweir typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef; 76cdf0e10cSrcweir } 77cdf0e10cSrcweir 78cdf0e10cSrcweir #endif 79