Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */