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Diffstat (limited to '')
-rw-r--r-- | canvas/source/cairo/cairo_surfaceprovider.hxx | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_surfaceprovider.hxx b/canvas/source/cairo/cairo_surfaceprovider.hxx new file mode 100644 index 000000000..082445072 --- /dev/null +++ b/canvas/source/cairo/cairo_surfaceprovider.hxx @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#ifndef INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SURFACEPROVIDER_HXX +#define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SURFACEPROVIDER_HXX + +#include <rtl/ref.hxx> +#include <com/sun/star/uno/XInterface.hpp> + +#include <basegfx/vector/b2isize.hxx> +#include <vcl/cairo.hxx> + +class OutputDevice; +class Bitmap; + +namespace cairocanvas +{ + /* Definition of RepaintTarget interface */ + + /** Target interface for XCachedPrimitive implementations + + This interface must be implemented on all canvas + implementations that hand out XCachedPrimitives + */ + class SurfaceProvider : public css::uno::XInterface + { + public: + virtual ~SurfaceProvider() {} + + /** Query surface from this provider + + This should return the default surface to render on. + */ + virtual ::cairo::SurfaceSharedPtr getSurface() = 0; + + /// create new surface in given size + virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, + int aContent ) = 0; + /// create new surface from given bitmap + virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0; + + /** convert surface from alpha to non-alpha, does not copy content + channel. returns new surface on success, NULL otherwise + */ + virtual ::cairo::SurfaceSharedPtr changeSurface() = 0; + + /** Provides the underlying vcl outputdevice this surface renders on + */ + virtual OutputDevice* getOutputDevice() = 0; + }; + + typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef; +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |