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Diffstat (limited to '')
| -rw-r--r-- | canvas/source/cairo/cairo_canvascustomsprite.hxx | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvascustomsprite.hxx b/canvas/source/cairo/cairo_canvascustomsprite.hxx new file mode 100644 index 000000000..ffe766ab0 --- /dev/null +++ b/canvas/source/cairo/cairo_canvascustomsprite.hxx @@ -0,0 +1,145 @@ +/* -*- 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 <cppuhelper/compbase.hxx> +#include <comphelper/uno3.hxx> + +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/rendering/XBitmapCanvas.hpp> +#include <com/sun/star/rendering/XCustomSprite.hpp> +#include <com/sun/star/rendering/XIntegerBitmap.hpp> + +#include <basegfx/point/b2dpoint.hxx> + +#include <base/basemutexhelper.hxx> +#include <base/canvascustomspritebase.hxx> + +#include <vcl/cairo.hxx> + +#include "cairo_sprite.hxx" +#include "cairo_canvashelper.hxx" +#include "cairo_repainttarget.hxx" +#include "cairo_spritehelper.hxx" +#include "cairo_spritecanvas.hxx" + + +namespace cairocanvas +{ + typedef ::cppu::WeakComponentImplHelper< css::rendering::XCustomSprite, + css::rendering::XBitmapCanvas, + css::rendering::XIntegerBitmap, + css::lang::XServiceInfo > CanvasCustomSpriteBase_Base; + /** Mixin Sprite + + Have to mixin the Sprite interface before deriving from + ::canvas::CanvasCustomSpriteBase, 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::CanvasCustomSpriteBase directly from + ::canvas::Sprite (because derivees of + ::canvas::CanvasCustomSpriteBase have to explicitly forward + the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) + anyway). Basically, ::canvas::CanvasCustomSpriteBase should + remain a base class that provides implementation, not to + enforce any specific interface on its derivees. + */ + class CanvasCustomSpriteSpriteBase_Base : public ::canvas::BaseMutexHelper< CanvasCustomSpriteBase_Base >, + public Sprite, + public SurfaceProvider + { + }; + + typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base, + SpriteHelper, + CanvasHelper, + ::osl::MutexGuard, + ::cppu::OWeakObject > CanvasCustomSpriteBaseT; + + /* Definition of CanvasCustomSprite class */ + + class CanvasCustomSprite : public CanvasCustomSpriteBaseT, + public RepaintTarget + { + public: + /** Create a custom sprite + + @param rSpriteSize + Size of the sprite in pixel + + @param rRefDevice + Associated output device + + @param rSpriteCanvas + Target canvas + + @param rDevice + Target DX device + */ + CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize, + const SpriteCanvasRef& rRefDevice ); + + virtual void disposeThis() override; + + // Forwarding the XComponent implementation to the + // cppu::ImplHelper templated base + // Classname Base doing refcount Base implementing the XComponent interface + // | | | + // V V V + DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasCustomSprite, CanvasCustomSpriteBase_Base, ::cppu::WeakComponentImplHelperBase ) + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; + + // Sprite + virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, + bool bBufferedUpdate ) const override; + virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, + const ::basegfx::B2DPoint& rOrigOutputPos, + bool bBufferedUpdate ) const 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: + /** MUST hold here, too, since CanvasHelper only contains a + raw pointer (without refcounting) + */ + SpriteCanvasRef mpSpriteCanvas; + ::cairo::SurfaceSharedPtr mpBufferSurface; + ::basegfx::B2ISize maSize; + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |