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Diffstat (limited to '')
| -rw-r--r-- | canvas/source/cairo/cairo_canvasbitmap.hxx | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvasbitmap.hxx b/canvas/source/cairo/cairo_canvasbitmap.hxx new file mode 100644 index 000000000..8826bc82e --- /dev/null +++ b/canvas/source/cairo/cairo_canvasbitmap.hxx @@ -0,0 +1,126 @@ +/* -*- 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 <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/rendering/XBitmapCanvas.hpp> +#include <com/sun/star/rendering/XIntegerBitmap.hpp> +#include <com/sun/star/beans/XFastPropertySet.hpp> +#include <comphelper/uno3.hxx> + +#include <base/bitmapcanvasbase.hxx> +#include <base/basemutexhelper.hxx> +#include <base/integerbitmapbase.hxx> + +#include "cairo_canvashelper.hxx" +#include "cairo_repainttarget.hxx" + + +/* Definition of CanvasBitmap class */ + +namespace cairocanvas +{ + typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas, + css::rendering::XIntegerBitmap, + css::lang::XServiceInfo, + css::beans::XFastPropertySet > CanvasBitmapBase_Base; + class CanvasBitmapSpriteSurface_Base : + public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>, + public SurfaceProvider + { + }; + + typedef ::canvas::IntegerBitmapBase< + canvas::BitmapCanvasBase2< + CanvasBitmapSpriteSurface_Base, + CanvasHelper, + ::osl::MutexGuard, + ::cppu::OWeakObject> > CanvasBitmap_Base; + + class CanvasBitmap : public CanvasBitmap_Base, + public RepaintTarget + { + public: + /** Create a canvas bitmap for the given surface + + @param rSize + Size of the bitmap + + @param rDevice + Reference device, with which bitmap should be compatible + */ + CanvasBitmap( const ::basegfx::B2ISize& rSize, + SurfaceProviderRef rDevice, + css::rendering::XGraphicDevice* pDevice, + bool bHasAlpha ); + + /// 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( CanvasBitmap, CanvasBitmapBase_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; + + // 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; + + // RepaintTarget + virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface, + const css::rendering::ViewState& viewState, + const css::rendering::RenderState& renderState ) override; + + // XFastPropertySet + // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap + // handle values have these meanings: + // 0 ... get pointer to BitmapEx + // 1 ... get X pixmap handle to rgb content + // 2 ... FIXME: leftover? ever called with this? always returns nothing (empty Any) + // returned any contains either BitmapEx pointer or array of three Any value + // 1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas + // 2nd the pixmap handle (sal_Int64) + // 3rd the pixmap depth + virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle) override; + virtual void SAL_CALL setFastPropertyValue(sal_Int32, const css::uno::Any&) override {} + + private: + SurfaceProviderRef mpSurfaceProvider; + ::cairo::SurfaceSharedPtr mpBufferSurface; + ::cairo::CairoSharedPtr mpBufferCairo; + + const ::basegfx::B2ISize maSize; + const bool mbHasAlpha; + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |