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Diffstat (limited to 'canvas/source/cairo/cairo_spritecanvas.cxx')
| -rw-r--r-- | canvas/source/cairo/cairo_spritecanvas.cxx | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_spritecanvas.cxx b/canvas/source/cairo/cairo_spritecanvas.cxx new file mode 100644 index 000000000..562157f52 --- /dev/null +++ b/canvas/source/cairo/cairo_spritecanvas.cxx @@ -0,0 +1,233 @@ +/* -*- 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 . + */ + +#include <sal/config.h> +#include <sal/log.hxx> + +#include <basegfx/range/b2irange.hxx> +#include <basegfx/utils/canvastools.hxx> +#include <com/sun/star/awt/XTopWindow.hpp> +#include <com/sun/star/awt/Rectangle.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> +#include <osl/mutex.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <tools/diagnose_ex.h> +#include <cppuhelper/supportsservice.hxx> + +#include "cairo_spritecanvas.hxx" + +using namespace ::cairo; +using namespace ::com::sun::star; + +namespace cairocanvas +{ + SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) : + maArguments(aArguments) + { + } + + void SpriteCanvas::initialize() + { + SAL_INFO("canvas.cairo", "CairoSpriteCanvas created " << this); + + // #i64742# Only call initialize when not in probe mode + if( !maArguments.hasElements() ) + return; + + /* maArguments: + 0: ptr to creating instance (Window or VirtualDevice) + 1: current bounds of creating instance + 2: bool, denoting always on top state for Window (always false for VirtualDevice) + 3: XWindow for creating Window (or empty for VirtualDevice) + 4: SystemGraphicsData as a streamed Any + */ + ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 && + maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER && + maArguments[3].getValueTypeClass() == uno::TypeClass_INTERFACE, + "CairoSpriteCanvas::initialize: wrong number of arguments, or wrong types" ); + + awt::Rectangle aRect; + maArguments[1] >>= aRect; + + bool bIsFullscreen( false ); + maArguments[2] >>= bIsFullscreen; + + uno::Reference< awt::XWindow > xParentWindow; + maArguments[3] >>= xParentWindow; + + VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(xParentWindow); + if( !pParentWindow ) + throw lang::NoSupportException( + "Parent window not VCL window, or canvas out-of-process!", nullptr); + + bool bHasCairo = pParentWindow->GetOutDev()->SupportsCairo(); + ENSURE_ARG_OR_THROW(bHasCairo, + "CairoSpriteCanvas::SpriteCanvas: No Cairo capability"); + + Size aPixelSize( pParentWindow->GetOutputSizePixel() ); + const ::basegfx::B2ISize aSize( aPixelSize.Width(), + aPixelSize.Height() ); + + // setup helper + maDeviceHelper.init( *pParentWindow, + *this, + aSize, + bIsFullscreen ); + + setWindow(uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW)); + + maCanvasHelper.init( maRedrawManager, + *this, + aSize ); + + maArguments.realloc(0); + } + + void SpriteCanvas::disposeThis() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + // forward to parent + SpriteCanvasBaseT::disposeThis(); + } + + sal_Bool SAL_CALL SpriteCanvas::showBuffer( sal_Bool bUpdateAll ) + { + return updateScreen( bUpdateAll ); + } + + sal_Bool SAL_CALL SpriteCanvas::switchBuffer( sal_Bool bUpdateAll ) + { + return updateScreen( bUpdateAll ); + } + + sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll ) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + // avoid repaints on hidden window (hidden: not mapped to + // screen). Return failure, since the screen really has _not_ + // been updated (caller should try again later) + return mbIsVisible && maCanvasHelper.updateScreen( + ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds), + bUpdateAll, + mbSurfaceDirty); + } + + OUString SAL_CALL SpriteCanvas::getServiceName( ) + { + return "com.sun.star.rendering.SpriteCanvas.Cairo"; + } + + // XServiceInfo + sal_Bool SpriteCanvas::supportsService(const OUString& sServiceName) + { + return cppu::supportsService(this, sServiceName); + + } + OUString SpriteCanvas::getImplementationName() + { + return "com.sun.star.comp.rendering.Canvas.Cairo"; + } + css::uno::Sequence< OUString > SpriteCanvas::getSupportedServiceNames() + { + return { getServiceName() }; + } + + SurfaceSharedPtr SpriteCanvas::getSurface() + { + return maDeviceHelper.getBufferSurface(); + } + + SurfaceSharedPtr SpriteCanvas::createSurface( const ::basegfx::B2ISize& rSize, int aContent ) + { + return maDeviceHelper.createSurface( rSize, aContent ); + } + + SurfaceSharedPtr SpriteCanvas::createSurface( ::Bitmap& rBitmap ) + { + BitmapSystemData aData; + if( rBitmap.GetSystemData( aData ) ) { + const Size& rSize = rBitmap.GetSizePixel(); + + return maDeviceHelper.createSurface( aData, rSize ); + } + + return SurfaceSharedPtr(); + } + + SurfaceSharedPtr SpriteCanvas::changeSurface() + { + // non-modifiable surface here + return SurfaceSharedPtr(); + } + + OutputDevice* SpriteCanvas::getOutputDevice() + { + return maDeviceHelper.getOutputDevice(); + } + + SurfaceSharedPtr const & SpriteCanvas::getBufferSurface() const + { + return maDeviceHelper.getBufferSurface(); + } + + SurfaceSharedPtr const & SpriteCanvas::getWindowSurface() const + { + return maDeviceHelper.getWindowSurface(); + } + + const ::basegfx::B2ISize& SpriteCanvas::getSizePixel() const + { + return maDeviceHelper.getSizePixel(); + } + + void SpriteCanvas::setSizePixel( const ::basegfx::B2ISize& rSize ) + { + maCanvasHelper.setSize( rSize ); + // re-set background surface, in case it needed recreation + maCanvasHelper.setSurface( maDeviceHelper.getBufferSurface(), + false ); + } + + void SpriteCanvas::flush() + { + maDeviceHelper.flush(); + } + + bool SpriteCanvas::repaint( const SurfaceSharedPtr& pSurface, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState ) + { + return maCanvasHelper.repaint( pSurface, viewState, renderState ); + } +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_comp_rendering_SpriteCanvas_Cairo_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args) +{ + rtl::Reference<cairocanvas::SpriteCanvas> p = new cairocanvas::SpriteCanvas(args, context); + p->acquire(); + p->initialize(); + return static_cast<cppu::OWeakObject*>(p.get()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |