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Diffstat (limited to 'canvas/source/cairo/cairo_canvas.hxx')
| -rw-r--r-- | canvas/source/cairo/cairo_canvas.hxx | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvas.hxx b/canvas/source/cairo/cairo_canvas.hxx new file mode 100644 index 000000000..581f23dac --- /dev/null +++ b/canvas/source/cairo/cairo_canvas.hxx @@ -0,0 +1,138 @@ +/* -*- 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 . + */ + +#pragma once + +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/lang/XServiceName.hpp> +#include <com/sun/star/util/XUpdatable.hpp> +#include <com/sun/star/rendering/XIntegerBitmap.hpp> +#include <com/sun/star/rendering/XGraphicDevice.hpp> +#include <com/sun/star/rendering/XBitmapCanvas.hpp> + +#include <cppuhelper/compbase.hxx> +#include <comphelper/uno3.hxx> + +#include <base/basemutexhelper.hxx> +#include <base/bitmapcanvasbase.hxx> +#include <base/graphicdevicebase.hxx> +#include <base/integerbitmapbase.hxx> + +#include "cairo_canvashelper.hxx" +#include "cairo_devicehelper.hxx" +#include "cairo_repainttarget.hxx" +#include "cairo_surfaceprovider.hxx" + +#define CANVAS_SERVICE_NAME "com.sun.star.rendering.Canvas.Cairo" +#define CANVAS_IMPLEMENTATION_NAME "com.sun.star.comp.rendering.Canvas.Cairo" + +namespace cairocanvas +{ + typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas, + css::rendering::XIntegerBitmap, + css::rendering::XGraphicDevice, + css::lang::XMultiServiceFactory, + css::util::XUpdatable, + css::beans::XPropertySet, + css::lang::XServiceName > GraphicDeviceBase_Base; + typedef ::canvas::GraphicDeviceBase< ::canvas::BaseMutexHelper< GraphicDeviceBase_Base >, + DeviceHelper, + ::osl::MutexGuard, + ::cppu::OWeakObject > CanvasBase_Base; + + /** Mixin SurfaceProvider + + Have to mixin the SurfaceProvider before deriving from + ::canvas::CanvasBase, as this template should already + implement some of those interface methods. + + The reason why this appears kinda convoluted is the fact that + we cannot specify non-IDL types as WeakComponentImplHelper + template args, and furthermore, don't want to derive + ::canvas::CanvasBase directly from + SurfaceProvider (because derivees of + ::canvas::CanvasBase have to explicitly forward the + XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) + anyway). + */ + class CanvasBaseSurfaceProvider_Base : public CanvasBase_Base, + public SurfaceProvider + { + }; + + typedef ::canvas::IntegerBitmapBase< + canvas::BitmapCanvasBase2< + CanvasBaseSurfaceProvider_Base, + CanvasHelper, + ::osl::MutexGuard, + ::cppu::OWeakObject> > CanvasBaseT; + + /** Product of this component's factory. + + The Canvas object combines the actual Window canvas with + the XGraphicDevice interface. This is because there's a + one-to-one relation between them, anyway, since each window + can have exactly one canvas and one associated + XGraphicDevice. And to avoid messing around with circular + references, this is implemented as one single object. + */ + class Canvas : public CanvasBaseT, + public RepaintTarget + { + public: + Canvas( const css::uno::Sequence< css::uno::Any >& aArguments, + const css::uno::Reference< css::uno::XComponentContext >& rxContext ); + + void initialize(); + + /// For resource tracking + virtual ~Canvas() override; + + /// Dispose all internal references + virtual void disposeThis() override; + + // Forwarding the XComponent implementation to the + // cppu::ImplHelper templated base + // Classname Base doing refcounting Base implementing the XComponent interface + // | | | + // V V V + DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( Canvas, GraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase ) + + // XServiceName + virtual OUString SAL_CALL getServiceName( ) override; + + // RepaintTarget + virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface, + const css::rendering::ViewState& viewState, + const css::rendering::RenderState& renderState ) override; + + // SurfaceProvider + virtual ::cairo::SurfaceSharedPtr getSurface() override; + virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override; + virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override; + virtual ::cairo::SurfaceSharedPtr changeSurface() override; + virtual OutputDevice* getOutputDevice() override; + + private: + css::uno::Sequence< css::uno::Any > maArguments; + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |