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-rw-r--r--canvas/source/vcl/spritecanvas.cxx187
1 files changed, 187 insertions, 0 deletions
diff --git a/canvas/source/vcl/spritecanvas.cxx b/canvas/source/vcl/spritecanvas.cxx
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+++ b/canvas/source/vcl/spritecanvas.cxx
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+/* -*- 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: */