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Diffstat (limited to 'canvas/source/vcl/spritecanvas.cxx')
| -rw-r--r-- | canvas/source/vcl/spritecanvas.cxx | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/canvas/source/vcl/spritecanvas.cxx b/canvas/source/vcl/spritecanvas.cxx new file mode 100644 index 000000000..60c65fbd7 --- /dev/null +++ b/canvas/source/vcl/spritecanvas.cxx @@ -0,0 +1,187 @@ +/* -*- 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 <com/sun/star/awt/XTopWindow.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> +#include <cppuhelper/supportsservice.hxx> +#include <tools/diagnose_ex.h> + +#include "spritecanvas.hxx" +#include "outdevholder.hxx" +#include "windowoutdevholder.hxx" + + +using namespace ::com::sun::star; + +namespace vclcanvas +{ + SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments, + const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) : + maArguments(aArguments) + { + } + + void SpriteCanvas::initialize() + { + SolarMutexGuard aGuard; + + // #i64742# Only call initialize when not in probe mode + if( !maArguments.hasElements() ) + return; + + SAL_INFO("canvas.vcl", "SpriteCanvas created" ); + + // add our own property to GraphicDevice + maPropHelper.addProperties( + ::canvas::PropertySetHelper::MakeMap + ("UnsafeScrolling", + [this]() { return this->maCanvasHelper.isUnsafeScrolling(); }, + [this](css::uno::Any const& aAny) mutable { this->maCanvasHelper.enableUnsafeScrolling(aAny); } ) + ("SpriteBounds", + [this]() { return this->maCanvasHelper.isSpriteBounds(); }, + [this](css::uno::Any const& aAny) mutable { this->maCanvasHelper.enableSpriteBounds(aAny); } )); + + SAL_INFO("canvas.vcl", "VCLSpriteCanvas::initialize called" ); + + ENSURE_ARG_OR_THROW( maArguments.hasElements(), + "VCLSpriteCanvas::initialize: wrong number of arguments" ); + + /* 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, + "VCLSpriteCanvas::initialize: wrong number of arguments, or wrong types" ); + + sal_Int64 nPtr = 0; + maArguments[0] >>= nPtr; + + OutputDevice* pOutDev = reinterpret_cast<OutputDevice*>(nPtr); + if( !pOutDev ) + throw lang::NoSupportException("Passed OutDev invalid!", nullptr); + + uno::Reference< awt::XWindow > xParentWindow; + maArguments[3] >>= xParentWindow; + + OutDevProviderSharedPtr pOutDevProvider; + if( xParentWindow.is()) + pOutDevProvider = std::make_shared<WindowOutDevHolder>(xParentWindow); + else + pOutDevProvider = std::make_shared<OutDevHolder>(*pOutDev); + + // setup helper + maDeviceHelper.init( pOutDevProvider ); + setWindow( xParentWindow.is() + ? uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW) + : uno::Reference<awt::XWindow2>()); + maCanvasHelper.init( maDeviceHelper.getBackBuffer(), + *this, + maRedrawManager, + false, // no OutDev state preservation + false ); // no alpha on surface + + maArguments.realloc(0); + } + + SpriteCanvas::~SpriteCanvas() + { + SAL_INFO("canvas.vcl", "SpriteCanvas destroyed" ); + } + + + void SpriteCanvas::disposeThis() + { + SolarMutexGuard aGuard; + + // 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 ) + { + SolarMutexGuard aGuard; + + // 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(bUpdateAll, + mbSurfaceDirty); + } + + OUString SAL_CALL SpriteCanvas::getServiceName( ) + { + return "com.sun.star.rendering.SpriteCanvas.VCL"; + } + + // XServiceInfo + css::uno::Sequence<OUString> SpriteCanvas::getSupportedServiceNames() + { + return { SpriteCanvas::getServiceName() }; + } + OUString SpriteCanvas::getImplementationName() + { + return "com.sun.star.comp.rendering.SpriteCanvas.VCL"; + } + sal_Bool SpriteCanvas::supportsService(const OUString& sServiceName) + { + return cppu::supportsService(this, sServiceName); + } + + bool SpriteCanvas::repaint( const GraphicObjectSharedPtr& rGrf, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState, + const ::Point& rPt, + const ::Size& rSz, + const GraphicAttr& rAttr ) const + { + SolarMutexGuard aGuard; + + return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); + } +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +com_sun_star_comp_rendering_SpriteCanvas_VCL_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args) +{ + rtl::Reference<vclcanvas::SpriteCanvas> p = new vclcanvas::SpriteCanvas(args, context); + cppu::acquire(p.get()); + p->initialize(); + return static_cast<cppu::OWeakObject*>(p.get()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |